/* roulang page: index */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #e8453c;
            --color-accent-hover: #d03a32;
            --color-gold: #c8a45c;
            --color-gold-light: #d4b76e;
            --color-bg: #f9fafb;
            --color-bg-alt: #f1f4f8;
            --color-bg-dark: #111827;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航栏 - 透明玻璃 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 16px rgba(232, 69, 60, 0.4) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.85rem;
                border-radius: 16px;
            }
            .nav-cta {
                padding: 7px 14px !important;
                font-size: 0.82rem !important;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta {
                text-align: center;
                margin-top: 4px;
            }
            .logo-brand {
                font-size: 1.25rem;
            }
            .logo-brand .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
        }

        /* ========== Hero - 白皮书获客 ========== */
        .hero-section {
            padding-top: calc(var(--nav-height) + 40px);
            padding-bottom: 60px;
            background: linear-gradient(170deg, #f8fafc 0%, #eef2f7 40%, #e8ecf3 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(200, 164, 92, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-cover-wrap {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-cover-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            width: 100%;
            max-width: 420px;
            transform: rotate(-2deg);
            transition: transform var(--transition-slow);
            position: relative;
            z-index: 2;
        }

        .hero-cover-card:hover {
            transform: rotate(0deg) translateY(-6px);
            box-shadow: 0 28px 60px rgba(0, 0, 0, 0.14);
        }

        .hero-cover-card img {
            width: 100%;
            height: auto;
            display: block;
            aspect-ratio: 3/4;
            object-fit: cover;
        }

        .hero-cover-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            z-index: 3;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 12px rgba(232, 69, 60, 0.35);
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-content h1 .highlight {
            color: var(--color-accent);
            position: relative;
            display: inline-block;
        }

        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 540px;
        }

        .hero-toc {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--color-gold);
        }

        .hero-toc h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
            text-transform: uppercase;
        }

        .hero-toc ul {
            list-style: none;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px 16px;
        }

        .hero-toc ul li {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            padding-left: 18px;
            position: relative;
            line-height: 1.6;
        }

        .hero-toc ul li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--color-accent);
            font-size: 0.7rem;
            top: 2px;
        }

        .hero-form-wrap {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-form-wrap input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border: 2px solid var(--color-border);
            border-radius: 25px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: all var(--transition-fast);
            background: #fff;
        }

        .hero-form-wrap input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(232, 69, 60, 0.08);
            outline: none;
        }

        .hero-form-wrap .btn-submit {
            background: var(--color-accent);
            color: #fff;
            padding: 13px 28px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 0.95rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
        }

        .hero-form-wrap .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(232, 69, 60, 0.4);
            transform: translateY(-2px);
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            text-align: center;
            min-width: 70px;
        }

        .hero-stat-item .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-cover-wrap {
                order: -1;
            }
            .hero-cover-card {
                max-width: 280px;
                transform: rotate(0);
                margin: 0 auto;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content .hero-desc {
                margin: 0 auto 20px;
                max-width: 100%;
            }
            .hero-toc {
                text-align: left;
                max-width: 500px;
                margin: 0 auto 20px;
            }
            .hero-form-wrap {
                justify-content: center;
                max-width: 500px;
                margin: 0 auto;
            }
            .hero-stats-row {
                justify-content: center;
            }
            .hero-toc ul {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content .hero-desc {
                font-size: 0.95rem;
            }
            .hero-form-wrap {
                flex-direction: column;
            }
            .hero-form-wrap input {
                width: 100%;
            }
            .hero-form-wrap .btn-submit {
                width: 100%;
                text-align: center;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.4rem;
            }
        }

        /* ========== 通用板块样式 ========== */
        .section-block {
            padding: 64px 0;
        }

        .section-block.bg-alt {
            background: var(--color-bg-alt);
        }

        .section-block.bg-dark {
            background: var(--color-bg-dark);
            color: #e5e7eb;
        }

        .section-block.bg-dark h2,
        .section-block.bg-dark h3 {
            color: #f9fafb;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 640px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .tag-label {
            display: inline-block;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-accent);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
        }

        /* ========== 痛点板块 ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 20px;
        }

        .pain-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(232, 69, 60, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 16px;
        }

        .pain-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 功能章节 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
            transform: translateY(-3px);
        }

        .feature-card .feat-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: linear-gradient(135deg, #1a2744, #243356);
            color: #fff;
        }

        .feature-card .feat-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .feature-card .feat-info p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }
        }

        /* ========== 数据指标 ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .metric-card .metric-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
        }

        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card .metric-num {
                font-size: 2rem;
            }
        }

        /* ========== 服务范围 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .service-card img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .service-card .svc-body {
            padding: 20px;
        }

        .service-card .svc-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .service-card .svc-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 合集目录 ========== */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .collection-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
        }

        .collection-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .collection-card .coll-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            margin: 0 auto 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: rgba(200, 164, 92, 0.12);
            color: var(--color-gold);
        }

        .collection-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .collection-card .coll-count {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 12px;
        }

        .collection-card .btn-outline-sm {
            display: inline-block;
            padding: 8px 20px;
            border: 2px solid var(--color-primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .collection-card .btn-outline-sm:hover {
            background: var(--color-primary);
            color: #fff;
        }

        @media (max-width: 768px) {
            .collection-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
        }
        @media (max-width: 480px) {
            .collection-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 客户证言 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            font-size: 4rem;
            color: rgba(200, 164, 92, 0.2);
            position: absolute;
            top: 8px;
            left: 16px;
            line-height: 1;
            font-family: Georgia, serif;
            pointer-events: none;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .test-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .test-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-card .test-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 品牌故事 ========== */
        .brand-story-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-story-wrap img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .brand-story-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .brand-story-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        @media (max-width: 768px) {
            .brand-story-wrap {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-story-wrap img {
                order: -1;
                max-height: 300px;
                width: 100%;
            }
        }

        /* ========== 保障图标条 ========== */
        .guarantee-strip {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px;
            padding: 32px 0;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .guarantee-item .g-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(26, 39, 68, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        @media (max-width: 520px) {
            .guarantee-strip {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }
        }

        /* ========== 安全体系 ========== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .security-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }

        .security-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .security-card .sec-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .security-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .security-card p {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 480px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 新闻中心 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            border-left: 3px solid transparent;
            transition: all var(--transition-normal);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .news-item:hover {
            border-left-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            white-space: nowrap;
            padding-top: 2px;
            min-width: 80px;
            text-align: center;
            background: var(--color-bg-alt);
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            font-weight: 600;
        }

        .news-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-info p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .news-info .read-more {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            transition: color var(--transition-fast);
        }

        .news-info .read-more:hover {
            color: var(--color-accent-hover);
            text-decoration: underline;
        }

        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            height: fit-content;
            position: sticky;
            top: calc(var(--nav-height) + 20px);
        }

        .news-sidebar h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border);
        }

        .news-sidebar ul {
            list-style: none;
            padding: 0;
        }

        .news-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .news-sidebar ul li:hover {
            color: var(--color-accent);
        }

        .news-sidebar ul li .hot-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 8px;
            vertical-align: middle;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-sidebar {
                position: static;
                order: -1;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date {
                min-width: auto;
                display: inline-block;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .faq-item .faq-q {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item .faq-q .faq-icon {
            color: var(--color-accent);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .faq-item .faq-a {
            margin-top: 10px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding-left: 28px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a2744 0%, #1f3055 50%, #1a2744 100%);
            color: #f9fafb;
            text-align: center;
            padding: 64px 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            color: #fff;
        }

        .cta-section p {
            font-size: 1.05rem;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            color: #cbd5e1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-cta-primary {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(232, 69, 60, 0.35);
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
        }

        .btn-cta-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 28px rgba(232, 69, 60, 0.45);
            transform: translateY(-3px);
            color: #fff;
        }

        .btn-cta-outline {
            display: inline-block;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-normal);
            background: transparent;
            cursor: pointer;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #f9fafb;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: #6b7280;
        }

        .footer-bottom a {
            color: #9ca3af;
            margin: 0 6px;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== 动画 ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            animation: fadeInUp 0.7s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }

        /* ========== 分隔线 ========== */
        .divider-line {
            width: 60px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto 20px;
        }

        .divider-line.left {
            margin-left: 0;
        }

        /* ========== 通用按钮 ========== */
        .btn-outline {
            display: inline-block;
            padding: 10px 24px;
            border: 2px solid var(--color-primary);
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* ========== 响应式工具 ========== */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.7rem;
            }
            .section-block {
                padding: 48px 0;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .section-block {
                padding: 36px 0;
            }
            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #e8453c;
            --color-accent-hover: #d03a32;
            --color-gold: #c8a45c;
            --color-gold-light: #d4b76e;
            --color-bg: #f9fafb;
            --color-bg-alt: #f1f4f8;
            --color-bg-dark: #111827;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航栏 - 透明玻璃 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 18px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            font-size: 0.88rem !important;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        /* ========== 按钮系统 ========== */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-align: center;
            border: none;
            line-height: 1.5;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 69, 60, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(232, 69, 60, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        .btn-white {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: var(--color-primary);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 80px 0;
        }

        .section-sm {
            padding: 50px 0;
        }

        .section-lg {
            padding: 100px 0;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 40px;
            max-width: 680px;
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: #cbd5e1;
        }

        /* ========== Hero - 白皮书获客 ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 39, 68, 0.92) 0%, rgba(26, 39, 68, 0.78) 40%, rgba(17, 24, 39, 0.88) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-whitepaper-grid {
            display: grid;
            grid-template-columns: 280px 1fr 340px;
            gap: 40px;
            align-items: stretch;
        }

        .hero-cover-col {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-cover-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-xl);
            transform: rotate(-3deg);
            transition: transform var(--transition-slow);
            position: relative;
        }

        .hero-cover-card:hover {
            transform: rotate(0deg) translateY(-6px);
        }

        .hero-cover-card img {
            border-radius: var(--radius-md);
            width: 100%;
            aspect-ratio: 3/4;
            object-fit: cover;
        }

        .hero-cover-badge {
            position: absolute;
            top: -12px;
            right: -12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 1px;
            box-shadow: var(--shadow-md);
        }

        .hero-summary-col {
            display: flex;
            flex-direction: column;
            justify-content: center;
            color: #fff;
        }

        .hero-summary-col .hero-label {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 2.5px;
            color: var(--color-gold-light);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .hero-summary-col h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: -0.8px;
            line-height: 1.2;
        }

        .hero-summary-col .hero-desc {
            font-size: 1.1rem;
            color: #d1d5db;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .hero-toc {
            list-style: none;
            padding: 0;
            margin: 0 0 0 0;
        }

        .hero-toc li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            color: #e5e7eb;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .hero-toc li:last-child {
            border-bottom: none;
        }

        .hero-toc li .toc-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-gold-light);
            flex-shrink: 0;
        }

        .hero-form-col {
            display: flex;
            align-items: center;
        }

        .hero-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
            width: 100%;
            transition: transform var(--transition-normal), box-shadow var(--transition-normal);
        }

        .hero-form-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 24px 56px rgba(0, 0, 0, 0.18);
        }

        .hero-form-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            text-align: center;
        }

        .hero-form-card .form-subtitle {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: 22px;
        }

        .hero-form-card .form-group {
            margin-bottom: 16px;
        }

        .hero-form-card label {
            display: block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 5px;
            letter-spacing: 0.3px;
        }

        .hero-form-card input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-family: var(--font-sans);
            transition: all var(--transition-fast);
            background: var(--color-bg);
            color: var(--color-text);
        }

        .hero-form-card input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(232, 69, 60, 0.08);
            background: #fff;
            outline: none;
        }

        .hero-form-card .btn {
            width: 100%;
            margin-top: 8px;
            padding: 14px;
            font-size: 1rem;
            border-radius: 28px;
        }

        .hero-form-note {
            font-size: 0.75rem;
            color: var(--color-text-light);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== 统计条 ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .stat-item {
            text-align: center;
            padding: 28px 20px;
            border-right: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-item:hover {
            background: var(--color-bg-alt);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== 痛点卡片 ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .pain-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .pain-card .pain-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: #fef2f2;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 18px;
            transition: all var(--transition-normal);
        }

        .pain-card:hover .pain-icon {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.05);
        }

        .pain-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 解决方案亮点 ========== */
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .solution-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
        }

        .solution-image-wrap img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .solution-image-wrap:hover img {
            transform: scale(1.03);
        }

        .solution-feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .solution-feature-list li {
            display: flex;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }

        .solution-feature-list li:last-child {
            border-bottom: none;
        }

        .solution-feature-list li .feature-check {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #ecfdf5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #10b981;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .solution-feature-list li .feature-info h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 4px;
        }

        .solution-feature-list li .feature-info p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== 数据亮点 ========== */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .highlight-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: transparent;
        }

        .highlight-card .hl-icon {
            font-size: 2.4rem;
            margin-bottom: 14px;
            display: block;
        }

        .highlight-card .hl-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 6px;
        }

        .highlight-card .hl-label {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== 流程 ========== */
        .process-flow {
            display: flex;
            align-items: flex-start;
            gap: 0;
            position: relative;
            flex-wrap: nowrap;
            justify-content: space-between;
        }

        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 0 16px;
            min-width: 0;
        }

        .process-step .step-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            transition: all var(--transition-normal);
        }

        .process-step:hover .step-circle {
            background: var(--color-primary);
            color: #fff;
            transform: scale(1.08);
            box-shadow: var(--shadow-lg);
        }

        .process-step::after {
            content: '';
            position: absolute;
            top: 30px;
            left: calc(50% + 30px);
            width: calc(100% - 60px);
            height: 2px;
            background: var(--color-border);
            z-index: 1;
        }

        .process-step:last-child::after {
            display: none;
        }

        .process-step h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== 证言卡片 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .testimonial-card .quote-icon {
            font-size: 2.5rem;
            color: var(--color-gold);
            opacity: 0.5;
            margin-bottom: 10px;
            line-height: 1;
        }

        .testimonial-card .quote-text {
            font-size: 0.93rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 18px;
            font-style: italic;
        }

        .testimonial-card .author-row {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
        }

        .testimonial-card .author-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            user-select: none;
            transition: all var(--transition-fast);
        }

        .faq-question .faq-arrow {
            font-size: 0.8rem;
            transition: transform var(--transition-normal);
            color: var(--color-text-light);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 24px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA 区域 ========== */
        .cta-section {
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.1);
            z-index: 1;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(232, 69, 60, 0.08);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: #cbd5e1;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .btn {
            font-size: 1.1rem;
            padding: 16px 40px;
            border-radius: 32px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #e5e7eb;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .site-footer .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .hero-whitepaper-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .hero-cover-col {
                order: -1;
                grid-column: 1 / -1;
                max-width: 220px;
                margin: 0 auto;
            }
            .hero-summary-col h1 {
                font-size: 2.2rem;
            }
            .hero-form-col {
                grid-column: 1 / -1;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item {
                border-right: 1px solid var(--color-border-light);
                border-bottom: 1px solid var(--color-border-light);
            }
            .stat-item:nth-child(even) {
                border-right: none;
            }
            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-bottom: none;
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .process-flow {
                flex-wrap: wrap;
                gap: 20px;
                justify-content: center;
            }
            .process-step {
                flex: 0 0 calc(33.33% - 20px);
                min-width: 140px;
            }
            .process-step::after {
                display: none;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
        }

        @media screen and (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
            }
            .hero-whitepaper-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-cover-col {
                max-width: 180px;
                margin: 0 auto;
            }
            .hero-summary-col h1 {
                font-size: 1.9rem;
            }
            .hero-form-card {
                padding: 24px 20px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .highlight-grid {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                margin-top: -20px;
            }
            .process-flow {
                flex-direction: column;
                align-items: center;
                gap: 24px;
            }
            .process-step {
                flex: 1 1 auto;
                width: 100%;
                max-width: 280px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .section {
                padding: 50px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
        }

        @media screen and (max-width: 520px) {
            .hero-summary-col h1 {
                font-size: 1.6rem;
            }
            .hero-cover-col {
                max-width: 150px;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 16px;
            }
            .hero-form-card {
                padding: 20px 16px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #e8453c;
            --color-accent-hover: #d03a32;
            --color-gold: #c8a45c;
            --color-gold-light: #d4b76e;
            --color-bg: #f9fafb;
            --color-bg-alt: #f1f4f8;
            --color-bg-dark: #111827;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航栏 - 透明玻璃 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            line-height: 1;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 18px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            font-size: 0.875rem !important;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.4);
            color: #fff !important;
            transform: translateY(-1px);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 72px 0;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-lg {
            padding: 90px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: -0.4px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
            max-width: 680px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .text-center {
            text-align: center;
        }

        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            text-align: center;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: none;
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(232, 69, 60, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
            color: #1a1a1a;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.4);
            border: 1px solid rgba(200, 164, 92, 0.5);
        }

        .btn-gold:hover {
            box-shadow: 0 8px 24px rgba(200, 164, 92, 0.55);
            transform: translateY(-2px);
            color: #1a1a1a;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        /* ========== 卡片 ========== */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.red {
            background: #fef2f2;
            color: var(--color-accent);
        }

        .card-icon.blue {
            background: #eff6ff;
            color: #2563eb;
        }

        .card-icon.gold {
            background: #fffbeb;
            color: #b8860b;
        }

        .card-icon.green {
            background: #f0fdf4;
            color: #16a34a;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 优惠券墙 Hero ========== */
        .coupon-hero {
            position: relative;
            background: linear-gradient(160deg, #0f1923 0%, #1a2744 40%, #1e3355 100%);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 100px 0 80px;
        }

        .coupon-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .coupon-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 1;
            pointer-events: none;
        }

        .coupon-hero .container {
            position: relative;
            z-index: 2;
        }

        .coupon-hero-label {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: #ffd700;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 215, 0, 0.3);
            text-transform: uppercase;
        }

        .coupon-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.6px;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .coupon-hero .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 520px;
        }

        /* 主券面 */
        .main-coupon {
            background: linear-gradient(145deg, #ffffff, #f8f9fc);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35), 0 0 0 2px rgba(200, 164, 92, 0.5);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(200, 164, 92, 0.3);
        }

        .main-coupon::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            background: rgba(200, 164, 92, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .main-coupon .coupon-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 14px;
            letter-spacing: 1px;
            margin-bottom: 16px;
            text-transform: uppercase;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 69, 60, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(232, 69, 60, 0);
            }
        }

        .main-coupon h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .main-coupon .coupon-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .main-coupon .coupon-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .main-coupon .coupon-features li {
            font-size: 0.82rem;
            color: var(--color-text);
            background: #f0f4f8;
            padding: 6px 12px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            gap: 5px;
            font-weight: 500;
        }

        .main-coupon .coupon-features li i {
            color: var(--color-gold);
            font-size: 0.7rem;
        }

        .main-coupon .coupon-price {
            display: flex;
            align-items: baseline;
            gap: 10px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .main-coupon .price-original {
            font-size: 1rem;
            color: #999;
            text-decoration: line-through;
            font-weight: 500;
        }

        .main-coupon .price-current {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -1px;
        }

        .main-coupon .price-unit {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* 小券面 */
        .side-coupon {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: all var(--transition-normal);
            cursor: pointer;
            margin-bottom: 12px;
            position: relative;
            overflow: hidden;
        }

        .side-coupon:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-gold);
        }

        .side-coupon .side-coupon-tag {
            font-size: 0.7rem;
            font-weight: 700;
            color: #b8860b;
            background: #fffbeb;
            padding: 3px 10px;
            border-radius: 10px;
            display: inline-block;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .side-coupon h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .side-coupon .side-coupon-desc {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .side-coupon .side-coupon-btn {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .side-coupon .side-coupon-btn i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .side-coupon:hover .side-coupon-btn i {
            transform: translateX(3px);
        }

        /* ========== 统计数字条 ========== */
        .stats-strip {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }

        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 100px;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1;
        }

        .stat-number .stat-plus {
            color: var(--color-accent);
            font-size: 1.2rem;
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== 痛点区 ========== */
        .pain-point {
            background: #fef2f2;
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 24px;
            margin-bottom: 16px;
            transition: all var(--transition-normal);
        }

        .pain-point:hover {
            background: #fff5f5;
            box-shadow: var(--shadow-sm);
        }

        .pain-point h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #991b1b;
            margin-bottom: 4px;
        }

        .pain-point p {
            font-size: 0.88rem;
            color: #7f1d1d;
            margin: 0;
        }

        /* ========== 解决方案卡片 ========== */
        .solution-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .solution-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
            transform: scaleX(0);
            transition: transform var(--transition-normal);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }

        .solution-card:hover::after {
            transform: scaleX(1);
        }

        .solution-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .solution-card .solution-num {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(232, 69, 60, 0.1);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
            pointer-events: none;
        }

        /* ========== 证言卡片 ========== */
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            height: 100%;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            color: var(--color-gold);
            opacity: 0.4;
            position: absolute;
            top: 12px;
            left: 18px;
            line-height: 1;
            font-family: Georgia, serif;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            padding-left: 20px;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-left: 20px;
        }

        .testimonial-card .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: none;
            width: 100%;
            text-align: left;
            gap: 12px;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafbfc;
        }

        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a2744 0%, #1e3355 50%, #243356 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.4px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 20px;
        }

        .cta-form input {
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            min-width: 260px;
            transition: all var(--transition-normal);
            font-family: inherit;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.14);
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #d1d5db;
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .site-footer h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .footer-bottom a {
            color: #9ca3af;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 数据亮点表 ========== */
        .highlight-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .highlight-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .highlight-table th {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 18px;
            font-weight: 600;
            font-size: 0.85rem;
            text-align: left;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .highlight-table td {
            padding: 13px 18px;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .highlight-table tbody tr:hover td {
            background: #fafbfc;
        }

        .highlight-table tbody tr:last-child td {
            border-bottom: none;
        }

        .badge-sm {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .badge-green {
            background: #dcfce7;
            color: #166534;
        }

        .badge-blue {
            background: #dbeafe;
            color: #1e40af;
        }

        .badge-orange {
            background: #fff7ed;
            color: #9a3412;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .coupon-hero h1 {
                font-size: 2.1rem;
            }
            .main-coupon {
                padding: 26px 22px;
            }
            .section {
                padding: 52px 0;
            }
            .section-lg {
                padding: 64px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .stats-strip {
                margin-top: -30px;
                padding: 22px 20px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
                text-align: center;
            }
            .nav-cta {
                display: block;
                text-align: center;
                border-radius: 28px !important;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .coupon-hero {
                min-height: auto;
                padding: 80px 0 60px;
            }
            .coupon-hero h1 {
                font-size: 1.7rem;
            }
            .main-coupon {
                padding: 22px 18px;
                margin-bottom: 16px;
            }
            .main-coupon h2 {
                font-size: 1.25rem;
            }
            .main-coupon .price-current {
                font-size: 1.7rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .stats-strip {
                margin-top: -20px;
                padding: 16px;
                gap: 12px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .cta-form input {
                min-width: 100%;
                width: 100%;
            }
            .cta-form {
                flex-direction: column;
            }
            .testimonial-card {
                margin-bottom: 12px;
            }
            .highlight-table th,
            .highlight-table td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .coupon-hero h1 {
                font-size: 1.4rem;
            }
            .coupon-hero .hero-subtitle {
                font-size: 0.9rem;
            }
            .main-coupon {
                padding: 18px 14px;
                border-radius: var(--radius-lg);
            }
            .main-coupon h2 {
                font-size: 1.1rem;
            }
            .main-coupon .coupon-features li {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .stats-strip {
                flex-direction: column;
                text-align: center;
                gap: 14px;
                margin-top: -16px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 14px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 0.9rem;
            }
            .card {
                padding: 18px;
            }
            .solution-card {
                padding: 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #e8453c;
            --color-accent-hover: #d03a32;
            --color-gold: #c8a45c;
            --color-gold-light: #d4b76e;
            --color-bg: #f9fafb;
            --color-bg-alt: #f1f4f8;
            --color-bg-dark: #111827;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 24px 56px rgba(0, 0, 0, 0.14), 0 10px 24px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 50px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航栏 - 透明玻璃 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 18px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            font-size: 0.88rem !important;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.4);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ========== Hero - 众筹预热风格 ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: linear-gradient(160deg, #f8fafc 0%, #eef1f6 30%, #e8ecf3 60%, #f5f6f9 100%);
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .hero-pattern-dots {
            position: absolute;
            top: 18%;
            right: 8%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(26, 39, 68, 0.06) 1px, transparent 1px);
            background-size: 20px 20px;
            z-index: 0;
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            width: 100%;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 8px 16px;
            border-radius: 24px;
            width: fit-content;
            letter-spacing: 0.3px;
            border: 1px solid rgba(232, 69, 60, 0.15);
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 69, 60, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(232, 69, 60, 0);
            }
        }

        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            letter-spacing: -0.6px;
            margin: 0;
        }

        .hero-title .highlight {
            color: var(--color-accent);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background: rgba(232, 69, 60, 0.15);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.3px;
            box-shadow: 0 6px 20px rgba(232, 69, 60, 0.35);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 28px rgba(232, 69, 60, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            padding: 13px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.3px;
            border: 2px solid var(--color-border);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            background: rgba(26, 39, 68, 0.03);
            color: var(--color-primary);
        }

        /* 进度环区域 */
        .hero-right {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 28px;
            justify-content: center;
        }

        .progress-ring-wrapper {
            position: relative;
            width: 240px;
            height: 240px;
            flex-shrink: 0;
        }

        .progress-ring-svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .progress-ring-bg {
            fill: none;
            stroke: #e5e7eb;
            stroke-width: 12;
        }

        .progress-ring-fill {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 12;
            stroke-linecap: round;
            stroke-dasharray: 628.32;
            stroke-dashoffset: 628.32;
            animation: fill-progress 1.8s ease-out 0.4s forwards;
            transition: stroke-dashoffset 0.6s ease;
        }

        @keyframes fill-progress {
            to {
                stroke-dashoffset: 138.23;
            }
        }

        .progress-ring-inner {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            pointer-events: none;
        }

        .progress-ring-inner .percent {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            letter-spacing: -1px;
        }

        .progress-ring-inner .label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            margin-top: 4px;
        }

        .tier-preview-cards {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            width: 100%;
        }

        .tier-card-mini {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 16px 18px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            min-width: 100px;
            flex: 1;
            max-width: 140px;
        }

        .tier-card-mini:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-gold);
        }

        .tier-card-mini.featured {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(200, 164, 92, 0.15), var(--shadow-md);
            position: relative;
        }

        .tier-card-mini.featured::before {
            content: '热门';
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-gold);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 10px;
            letter-spacing: 0.5px;
        }

        .tier-card-mini .tier-icon {
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .tier-card-mini .tier-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .tier-card-mini .tier-desc {
            font-size: 0.72rem;
            color: var(--color-text-light);
            margin-top: 2px;
        }

        /* ========== 板块通用样式 ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px 0;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.7;
            margin: 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header.centered {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .section-header.centered .section-desc {
            max-width: 650px;
        }

        /* ========== 痛点板块 ========== */
        .pain-points-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pain-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 40px;
            background: var(--color-accent);
            border-radius: 0 0 4px 0;
            opacity: 0.7;
            transition: height var(--transition-normal);
        }

        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .pain-card:hover::before {
            height: 60px;
        }

        .pain-card .pain-icon {
            width: 44px;
            height: 44px;
            background: rgba(232, 69, 60, 0.07);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-accent);
            margin-bottom: 14px;
        }

        .pain-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin: 0 0 8px 0;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 解决方案板块 ========== */
        .solution-bg {
            background: var(--color-bg-dark);
            color: #fff;
            border-radius: var(--radius-2xl);
            padding: 60px 48px;
            position: relative;
            overflow: hidden;
        }

        .solution-bg::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .solution-bg .section-label {
            color: var(--color-gold-light);
        }

        .solution-bg .section-title {
            color: #fff;
        }

        .solution-bg .section-desc {
            color: #cbd5e1;
        }

        .solution-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
            position: relative;
            z-index: 1;
        }

        .solution-feat-item {
            text-align: center;
            padding: 20px 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-normal);
        }

        .solution-feat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }

        .solution-feat-item .feat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-gold);
            letter-spacing: -1px;
        }

        .solution-feat-item .feat-label {
            font-size: 0.85rem;
            color: #cbd5e1;
            margin-top: 4px;
        }

        /* ========== 数据统计板块 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }

        .stat-card .stat-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            line-height: 1;
        }

        .stat-card .stat-value .plus {
            color: var(--color-accent);
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ========== 档位详情板块 ========== */
        .tier-full-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .tier-full-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .tier-full-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
        }

        .tier-full-card.premium {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 4px rgba(200, 164, 92, 0.12), var(--shadow-lg);
            transform: scale(1.03);
        }

        .tier-full-card.premium:hover {
            transform: scale(1.03) translateY(-5px);
            box-shadow: 0 0 0 6px rgba(200, 164, 92, 0.18), var(--shadow-xl);
        }

        .tier-full-card .tier-badge-top {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-gold);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 5px 16px;
            border-radius: 14px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .tier-full-card .tier-icon-lg {
            font-size: 2.6rem;
            color: var(--color-primary);
            margin-top: 8px;
        }

        .tier-full-card.premium .tier-icon-lg {
            color: var(--color-gold);
        }

        .tier-full-card .tier-title {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary);
        }

        .tier-full-card .tier-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
        }

        .tier-full-card .tier-price span {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
        }

        .tier-full-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .tier-full-card ul li {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            padding-left: 20px;
            position: relative;
            line-height: 1.5;
        }

        .tier-full-card ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            font-size: 0.7rem;
            color: var(--color-accent);
        }

        .tier-full-card.premium ul li::before {
            color: var(--color-gold);
        }

        .tier-full-card .btn-primary {
            margin-top: auto;
            width: 100%;
            justify-content: center;
            border-radius: 24px;
        }

        /* ========== 用户证言板块 ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-gold-light);
        }

        .testimonial-card .stars {
            color: #f5a623;
            font-size: 0.85rem;
            letter-spacing: 1px;
        }

        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.6;
            font-style: italic;
            margin: 0;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 4px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* ========== FAQ 板块 ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition-normal);
            flex-shrink: 0;
            color: var(--color-text-light);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px 22px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-2xl);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 0 24px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(200, 164, 92, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section .section-title {
            color: #fff;
        }

        .cta-section .section-desc {
            color: #cbd5e1;
            margin: 0 auto 28px;
            max-width: 550px;
        }

        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 16px 36px;
            border-radius: 30px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
        }

        .cta-section .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-normal);
            white-space: nowrap;
            margin-left: 12px;
        }

        .cta-section .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #e5e7eb;
            padding: 50px 0 24px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.2px;
        }

        .site-footer h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 7px;
        }

        .site-footer ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .site-footer .footer-bottom a {
            color: #9ca3af;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-left {
                align-items: center;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .progress-ring-wrapper {
                width: 180px;
                height: 180px;
            }
            .progress-ring-inner .percent {
                font-size: 2.4rem;
            }
            .pain-points-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-features {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-full-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-full-card.premium {
                transform: scale(1);
            }
            .tier-full-card.premium:hover {
                transform: scale(1) translateY(-5px);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .nav-cta {
                padding: 7px 14px !important;
                font-size: 0.78rem !important;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 50px;
                --section-gap-sm: 32px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .nav-toggle {
                display: block;
            }
            .hero-section {
                min-height: auto;
                padding-top: calc(var(--nav-height) + 30px);
                padding-bottom: 40px;
            }
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-right {
                flex-direction: column;
            }
            .progress-ring-wrapper {
                width: 160px;
                height: 160px;
            }
            .progress-ring-inner .percent {
                font-size: 2rem;
            }
            .tier-preview-cards {
                flex-direction: column;
                align-items: center;
            }
            .tier-card-mini {
                max-width: 100%;
                width: 100%;
            }
            .pain-points-grid {
                grid-template-columns: 1fr;
            }
            .solution-features {
                grid-template-columns: 1fr 1fr;
            }
            .solution-bg {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .tier-full-cards {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            .tier-full-card.premium {
                transform: scale(1);
            }
            .tier-full-card.premium:hover {
                transform: scale(1) translateY(-5px);
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .cta-section {
                margin: 0 12px;
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section .btn-outline-white {
                margin-left: 0;
                margin-top: 10px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .faq-list {
                max-width: 100%;
            }
            .section-header.centered {
                text-align: left;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .progress-ring-wrapper {
                width: 140px;
                height: 140px;
            }
            .progress-ring-inner .percent {
                font-size: 1.7rem;
            }
            .solution-features {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr;
            }
            .btn-primary {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .btn-outline {
                padding: 11px 18px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
        }

        /* 数字滚动动画 */
        @keyframes countUp {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .stat-card {
            animation: countUp 0.6s ease-out forwards;
            animation-delay: calc(var(--i, 0) * 0.1s);
        }
        .stat-card:nth-child(1) {
            --i: 0;
        }
        .stat-card:nth-child(2) {
            --i: 1;
        }
        .stat-card:nth-child(3) {
            --i: 2;
        }
        .stat-card:nth-child(4) {
            --i: 3;
        }

        /* 淡入动画 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.7s ease-out forwards;
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #e8453c;
            --color-accent-hover: #d03a32;
            --color-gold: #c8a45c;
            --color-gold-light: #d4b76e;
            --color-bg: #f9fafb;
            --color-bg-alt: #f1f4f8;
            --color-bg-dark: #111827;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航栏 - 透明玻璃 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ========== 板块通用间距 ========== */
        .section-padding {
            padding: 80px 0;
        }

        .section-padding-lg {
            padding: 100px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        /* ========== Hero - 视频官网风格 ========== */
        .hero-video {
            position: relative;
            width: 100%;
            min-height: 620px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .hero-video .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 39, 68, 0.78) 0%, rgba(17, 24, 39, 0.88) 100%);
            z-index: 1;
        }

        .hero-video .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 780px;
            padding: 0 24px;
        }

        .hero-video .play-btn-wrapper {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 2px solid rgba(255, 255, 255, 0.35);
            cursor: pointer;
            transition: all var(--transition-slow);
            margin-bottom: 28px;
            animation: pulse-ring 2.5s ease-out infinite;
        }

        .hero-video .play-btn-wrapper:hover {
            background: rgba(255, 255, 255, 0.28);
            border-color: rgba(255, 255, 255, 0.6);
            transform: scale(1.06);
            box-shadow: 0 0 50px rgba(255, 255, 255, 0.2);
        }

        .hero-video .play-btn-wrapper i {
            font-size: 2.2rem;
            color: #fff;
            margin-left: 4px;
        }

        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35);
            }
            70% {
                box-shadow: 0 0 0 30px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }

        .hero-video h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.8px;
            line-height: 1.25;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-video .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-video .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 18px rgba(232, 69, 60, 0.35);
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 69, 60, 0.45);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
            text-align: center;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== 痛点区 ========== */
        .pain-section {
            background: var(--color-surface);
            padding: 80px 0;
        }

        .pain-section .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .pain-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
            background: #fff;
        }

        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: #fef2f2;
            color: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
            transition: all var(--transition-normal);
        }

        .pain-card:hover .pain-icon {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.05);
        }

        .pain-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .pain-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 解决方案 ========== */
        .solution-section {
            background: var(--color-bg-alt);
            padding: 90px 0;
        }

        .solution-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .solution-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            transition: all var(--transition-slow);
            position: relative;
        }

        .solution-image-wrap:hover {
            transform: translateY(-6px);
            box-shadow: 0 28px 60px rgba(0, 0, 0, 0.15);
        }

        .solution-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        .solution-image-wrap .image-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .solution-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .solution-text p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .solution-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px 0;
        }

        .solution-features li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 0.98rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .solution-features li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 16px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
        }

        .solution-features li::after {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 2px solid #fff;
            box-shadow: 0 0 0 2px var(--color-accent);
        }

        /* ========== 解读维度卡片 ========== */
        .dimensions-section {
            background: var(--color-surface);
            padding: 90px 0;
        }

        .dimensions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .dimension-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .dimension-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-slow);
        }

        .dimension-card:hover::before {
            transform: scaleX(1);
        }

        .dimension-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .dimension-card .dim-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 16px;
            transition: all var(--transition-normal);
        }

        .dimension-card:hover .dim-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotateY(180deg);
        }

        .dimension-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .dimension-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== 流程区 ========== */
        .process-section {
            background: var(--color-bg-dark);
            padding: 90px 0;
            color: #fff;
        }

        .process-section .section-header h2 {
            color: #fff;
        }

        .process-section .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 30px 20px;
        }

        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-gold);
            color: var(--color-primary);
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 18px;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.4);
        }

        .process-step:hover .step-number {
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(200, 164, 92, 0.55);
        }

        .process-step h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: -0.2px;
        }

        .process-step p {
            font-size: 0.93rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.5;
            margin: 0;
        }

        .process-connector {
            display: none;
        }

        /* ========== 成果展示 ========== */
        .results-section {
            background: var(--color-surface);
            padding: 90px 0;
        }

        .results-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            text-align: center;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== 证言区 ========== */
        .testimonials-section {
            background: var(--color-bg-alt);
            padding: 90px 0;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: var(--color-gold);
            line-height: 1;
            margin-bottom: 10px;
            font-family: Georgia, serif;
            opacity: 0.7;
        }

        .testimonial-card p {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.6;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .author-info {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-surface);
            padding: 90px 0;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all var(--transition-fast);
            letter-spacing: -0.2px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-arrow {
            transition: transform var(--transition-normal);
            color: var(--color-text-light);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-item[open] summary {
            background: var(--color-bg-alt);
            color: var(--color-accent);
        }

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 250px;
            height: 250px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.12);
            z-index: 0;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(232, 69, 60, 0.08);
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-section .btn-cta-large {
            display: inline-block;
            padding: 16px 38px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--color-gold);
            color: var(--color-primary);
            box-shadow: 0 6px 24px rgba(200, 164, 92, 0.4);
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
        }

        .cta-section .btn-cta-large:hover {
            background: var(--color-gold-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(200, 164, 92, 0.5);
            color: var(--color-primary);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #e5e7eb;
            padding: 50px 0 30px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .site-footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.2px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 6px;
        }

        .site-footer ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .site-footer .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dimensions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .results-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-video h1 {
                font-size: 2.4rem;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
                text-align: center;
            }
            .nav-toggle {
                display: block;
            }
            .hero-video {
                min-height: 480px;
            }
            .hero-video h1 {
                font-size: 1.9rem;
            }
            .hero-video .hero-subtitle {
                font-size: 1rem;
            }
            .hero-video .play-btn-wrapper {
                width: 60px;
                height: 60px;
            }
            .hero-video .play-btn-wrapper i {
                font-size: 1.6rem;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .dimensions-grid {
                grid-template-columns: 1fr 1fr;
            }
            .results-stats {
                grid-template-columns: 1fr 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .section-padding,
            .section-padding-lg {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .solution-text h2 {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .stat-card .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-video {
                min-height: 400px;
            }
            .hero-video h1 {
                font-size: 1.5rem;
            }
            .hero-video .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-video .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .dimensions-grid {
                grid-template-columns: 1fr;
            }
            .results-stats {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .container {
                padding: 0 16px;
            }
            .pain-card,
            .dimension-card,
            .stat-card,
            .testimonial-card {
                padding: 20px 16px;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
        }

        /* 滚动渐显动效 */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #e8453c;
            --color-accent-hover: #d03a32;
            --color-gold: #c8a45c;
            --color-gold-light: #d4b76e;
            --color-bg: #f9fafb;
            --color-bg-alt: #f1f4f8;
            --color-bg-dark: #111827;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航栏 - 透明玻璃 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.4);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ========== 主内容区 ========== */
        .page-main {
            padding-top: var(--nav-height);
        }

        /* ========== Hero Bento 首屏 ========== */
        .hero-bento {
            padding: 60px 0 50px;
            background: linear-gradient(160deg, #f0f4f9 0%, #e8ecf3 30%, #f9fafb 70%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-bento::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-bento::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(26, 39, 68, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            position: relative;
            z-index: 1;
        }

        .bento-main {
            grid-row: 1 / 3;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }

        .bento-main::after {
            content: '';
            position: absolute;
            bottom: -30px;
            right: -30px;
            width: 180px;
            height: 180px;
            background: var(--color-accent);
            opacity: 0.04;
            border-radius: 50%;
            pointer-events: none;
        }

        .bento-main .bento-badge {
            display: inline-block;
            background: rgba(232, 69, 60, 0.08);
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
            width: fit-content;
        }

        .bento-main h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .bento-main .hero-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 22px;
            max-width: 520px;
        }

        .bento-main .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }

        .hero-stat-item .stat-num span {
            color: var(--color-accent);
        }

        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
            letter-spacing: 0.3px;
        }

        .bento-sub {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 18px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: default;
        }

        .bento-sub:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .bento-sub .sub-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .bento-sub .sub-icon.icon-blue {
            background: rgba(26, 39, 68, 0.08);
            color: var(--color-primary);
        }

        .bento-sub .sub-icon.icon-gold {
            background: rgba(200, 164, 92, 0.12);
            color: var(--color-gold);
        }

        .bento-sub .sub-info h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 4px;
        }

        .bento-sub .sub-info p {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        .bento-cta-strip {
            grid-column: 2;
            background: var(--color-primary);
            border-radius: var(--radius-lg);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: var(--shadow-md);
            color: #fff;
            flex-wrap: wrap;
        }

        .bento-cta-strip p {
            margin: 0;
            font-size: 0.95rem;
            font-weight: 500;
            line-height: 1.4;
            flex: 1;
            min-width: 140px;
        }

        .bento-cta-strip .btn-cta-strip {
            background: var(--color-accent);
            color: #fff;
            padding: 10px 22px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-normal);
            box-shadow: 0 2px 10px rgba(232, 69, 60, 0.35);
        }

        .bento-cta-strip .btn-cta-strip:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 18px rgba(232, 69, 60, 0.45);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 60px 0;
        }

        .section-block.section-alt {
            background: var(--color-bg-alt);
        }

        .section-block.section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 640px;
        }

        .section-dark .section-subtitle {
            color: #cbd5e1;
        }

        /* ========== 痛点卡片 ========== */
        .pain-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity var(--transition-normal);
            border-radius: 0 2px 2px 0;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .pain-card:hover::before {
            opacity: 1;
        }

        .pain-card .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(232, 69, 60, 0.07);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-accent);
            margin-bottom: 14px;
        }

        .pain-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 解决方案卡片 ========== */
        .solution-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .solution-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .solution-card .card-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .solution-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .solution-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .solution-card .card-body {
            padding: 22px 20px;
        }

        .solution-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .solution-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== 成果展示 ========== */
        .result-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .result-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .result-card .result-num {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 8px;
        }

        .result-card .result-num.gold {
            color: var(--color-gold);
        }

        .result-card .result-num.dark {
            color: var(--color-primary);
        }

        .section-dark .result-card .result-num.dark {
            color: #fff;
        }

        .result-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .section-dark .result-card h4 {
            color: #e2e8f0;
        }

        .result-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        .section-dark .result-card p {
            color: #94a3b8;
        }

        /* ========== 证言卡片 ========== */
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-normal);
            height: 100%;
        }

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 12px;
            left: 18px;
            font-size: 3.5rem;
            color: var(--color-accent);
            opacity: 0.12;
            line-height: 1;
            font-family: serif;
            pointer-events: none;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .quote-author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .testimonial-card .quote-author .author-info strong {
            display: block;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card .quote-author .author-info span {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* ========== 流程步骤 ========== */
        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-item .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .step-item .step-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .step-item .step-content p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: transparent;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--color-primary) 0%, #1e3050 50%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -30px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(200, 164, 92, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.85;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .btn-primary-lg {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(232, 69, 60, 0.4);
            letter-spacing: 0.3px;
        }

        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(232, 69, 60, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-lg {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
            margin-left: 12px;
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .site-footer .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 7px;
        }

        .site-footer .footer-col ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #6b7280;
            gap: 12px;
        }

        .site-footer .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .bento-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .bento-main {
                grid-row: auto;
            }
            .bento-cta-strip {
                grid-column: 1;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .bento-main h1 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
                text-align: center;
            }
            .bento-grid {
                gap: 14px;
            }
            .bento-main {
                padding: 28px 20px;
            }
            .bento-main h1 {
                font-size: 1.5rem;
            }
            .bento-sub {
                padding: 18px 20px;
                gap: 12px;
            }
            .bento-cta-strip {
                flex-direction: column;
                text-align: center;
                padding: 18px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-block {
                padding: 40px 0;
            }
            .hero-bento {
                padding: 40px 0 30px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .btn-outline-lg {
                margin-left: 0;
                margin-top: 10px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .bento-main {
                padding: 20px 16px;
                border-radius: var(--radius-lg);
            }
            .bento-main h1 {
                font-size: 1.3rem;
            }
            .bento-sub {
                padding: 14px 16px;
                border-radius: var(--radius-md);
            }
            .bento-cta-strip {
                border-radius: var(--radius-md);
            }
            .section-title {
                font-size: 1.2rem;
            }
            .pain-card {
                padding: 20px 16px;
            }
            .result-card {
                padding: 20px 16px;
            }
            .result-card .result-num {
                font-size: 2rem;
            }
            .testimonial-card {
                padding: 20px 16px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
                display: block;
                width: 100%;
                text-align: center;
            }
            .btn-outline-lg {
                margin-left: 0;
                margin-top: 10px;
            }
            .hero-stats-row {
                gap: 12px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }
        }

        /* ========== 动效 ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .anim-fade-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        .anim-delay-1 {
            animation-delay: 0.1s;
        }
        .anim-delay-2 {
            animation-delay: 0.2s;
        }
        .anim-delay-3 {
            animation-delay: 0.3s;
        }
        .anim-delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #e8453c;
            --color-accent-hover: #d03a32;
            --color-gold: #c8a45c;
            --color-gold-light: #d4b76e;
            --color-bg: #f9fafb;
            --color-bg-alt: #f1f4f8;
            --color-bg-dark: #111827;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航栏 - 透明玻璃 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.4);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }

        .section-alt {
            background: var(--color-bg-alt);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 12px;
            background: rgba(232, 69, 60, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: -0.4px;
            line-height: 1.3;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .section-dark .section-subtitle {
            color: #d1d5db;
        }

        /* ========== Hero - 创作者主页头图风格 ========== */
        .hero-player {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding-top: var(--nav-height);
            overflow: hidden;
            background: var(--color-bg-dark);
        }

        .hero-player-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-player-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.35) saturate(0.7);
        }

        .hero-player-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 39, 68, 0.7) 0%, rgba(17, 24, 39, 0.9) 100%);
            z-index: 1;
        }

        .hero-player-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 0 24px;
        }

        .hero-avatar-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-avatar-stack {
            display: flex;
            align-items: center;
        }

        .hero-avatar-stack .mini-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 3px solid #fff;
            object-fit: cover;
            margin-left: -14px;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition-fast);
            background: #e5e7eb;
        }

        .hero-avatar-stack .mini-avatar:first-child {
            margin-left: 0;
        }

        .hero-avatar-stack .mini-avatar:hover {
            transform: translateY(-4px);
            z-index: 5;
        }

        .hero-badge-row {
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .hero-badge-item {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 16px 22px;
            text-align: center;
            min-width: 110px;
            transition: all var(--transition-normal);
        }

        .hero-badge-item:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .hero-badge-num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            line-height: 1;
            display: block;
        }

        .hero-badge-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 5px;
            letter-spacing: 0.04em;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.6px;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero-title span {
            color: var(--color-accent);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        .hero-cta-row {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 36px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 28px;
            letter-spacing: 0.3px;
            box-shadow: 0 6px 24px rgba(232, 69, 60, 0.35);
            transition: all var(--transition-normal);
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 10px 32px rgba(232, 69, 60, 0.45);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-block;
            padding: 14px 36px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 28px;
            letter-spacing: 0.3px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== 痛点区 ========== */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .pain-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .pain-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .pain-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(232, 69, 60, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            transition: all var(--transition-normal);
        }

        .pain-card:hover .pain-card-icon {
            background: var(--color-accent);
            color: #fff;
            transform: scale(1.05);
        }

        .pain-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 解决方案区 ========== */
        .solution-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-top: 40px;
        }

        .solution-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            position: relative;
        }

        .solution-image-wrap img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform var(--transition-slow);
        }

        .solution-image-wrap:hover img {
            transform: scale(1.03);
        }

        .solution-text h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .solution-text p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .solution-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .solution-list li {
            padding: 10px 0 10px 28px;
            position: relative;
            font-size: 0.98rem;
            color: var(--color-text);
            line-height: 1.6;
            border-bottom: 1px solid var(--color-border-light);
        }

        .solution-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 16px;
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(232, 69, 60, 0.15);
        }

        /* ========== 功能卡片 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: transparent;
        }

        .feature-card .feat-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            margin: 0 auto 18px;
            transition: all var(--transition-normal);
        }

        .feature-card:hover .feat-icon {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
            box-shadow: 0 8px 24px rgba(232, 69, 60, 0.3);
            transform: rotateY(180deg);
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 数据展示区 ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            margin-top: 40px;
        }

        .stat-item {
            padding: 36px 24px;
            text-align: center;
            border-right: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-item:hover {
            background: var(--color-bg-alt);
        }

        .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.5px;
            line-height: 1;
            display: block;
            transition: transform var(--transition-normal);
        }

        .stat-item:hover .stat-num {
            transform: scale(1.1);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 8px;
            letter-spacing: 0.03em;
        }

        /* ========== 流程区 ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-top: 40px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-number {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.5rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
        }

        .step-item:hover .step-number {
            background: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.08);
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 成果展示 ========== */
        .outcome-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .outcome-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: all var(--transition-normal);
        }

        .outcome-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .outcome-card .oc-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(200, 164, 92, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-gold);
            flex-shrink: 0;
            transition: all var(--transition-normal);
        }

        .outcome-card:hover .oc-icon {
            background: var(--color-gold);
            color: #fff;
        }

        .outcome-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .outcome-card p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 证言区 ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .testimonial-card .quote-mark {
            font-size: 3rem;
            color: var(--color-accent);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 8px;
            font-family: Georgia, serif;
        }

        .testimonial-card p {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-author img {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--color-border);
            background: #e5e7eb;
        }

        .testimonial-author .ta-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-author .ta-role {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 40px auto 0;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 20px 28px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            user-select: none;
            transition: background var(--transition-fast);
            background: transparent;
            width: 100%;
            text-align: left;
            border: none;
        }

        .faq-question:hover {
            background: var(--color-bg-alt);
        }

        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition-normal);
            color: var(--color-text-light);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            padding: 0 28px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-normal);
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            padding: 0 28px 20px;
            max-height: 300px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary);
            color: #fff;
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232, 69, 60, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.4px;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #fff;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
            letter-spacing: -0.2px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .footer-bottom a {
            color: #9ca3af;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 动画 ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(232, 69, 60, 0.5);
            }
            70% {
                box-shadow: 0 0 0 16px rgba(232, 69, 60, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(232, 69, 60, 0);
            }
        }

        .pulse-ring {
            animation: pulse-ring 2.2s infinite;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item {
                border-right: 1px solid var(--color-border-light);
                border-bottom: 1px solid var(--color-border-light);
            }
            .stat-item:nth-child(even) {
                border-right: none;
            }
            .stat-item:nth-child(n+3) {
                border-bottom: none;
            }
            .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pain-grid .pain-card:nth-child(3) {
                grid-column: span 2;
                max-width: 400px;
                justify-self: center;
            }
            .solution-split {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid .testimonial-card:nth-child(3) {
                grid-column: span 2;
                max-width: 500px;
                justify-self: center;
            }
            .outcome-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                text-align: center;
                font-size: 0.95rem;
            }
            .nav-cta {
                text-align: center;
                display: block;
                width: 100%;
                margin-top: 4px;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .pain-grid {
                grid-template-columns: 1fr;
            }
            .pain-grid .pain-card:nth-child(3) {
                grid-column: span 1;
                max-width: none;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid .testimonial-card:nth-child(3) {
                grid-column: span 1;
                max-width: none;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
            .hero-badge-row {
                gap: 12px;
            }
            .hero-badge-item {
                padding: 12px 16px;
                min-width: 90px;
            }
            .hero-badge-num {
                font-size: 1.5rem;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .outcome-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .hero-avatar-stack .mini-avatar {
                width: 36px;
                height: 36px;
                margin-left: -10px;
                border-width: 2px;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .steps-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-badge-row {
                gap: 8px;
            }
            .hero-badge-item {
                padding: 10px 14px;
                min-width: 70px;
                border-radius: var(--radius-md);
            }
            .hero-badge-num {
                font-size: 1.2rem;
            }
            .hero-badge-label {
                font-size: 0.7rem;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                text-align: center;
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
            .stat-item {
                padding: 20px 14px;
            }
            .stat-num {
                font-size: 1.8rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 16px;
            }
            .site-header .header-inner {
                padding: 0 16px;
            }
            .logo-brand {
                font-size: 1.2rem;
            }
            .logo-brand .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #1a2744;
            --color-primary-light: #243356;
            --color-accent: #e8453c;
            --color-accent-hover: #d03a32;
            --color-gold: #c8a45c;
            --color-gold-light: #d4b76e;
            --color-bg: #f9fafb;
            --color-bg-alt: #f1f4f8;
            --color-bg-dark: #111827;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-secondary: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f3f4f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航栏 - 透明玻璃 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            transition: all var(--transition-normal);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta {
            background: var(--color-accent) !important;
            color: #fff !important;
            padding: 9px 20px !important;
            border-radius: 22px !important;
            font-weight: 600 !important;
            font-size: 0.9rem !important;
            box-shadow: 0 2px 8px rgba(232, 69, 60, 0.3);
            transition: all var(--transition-normal) !important;
        }

        .nav-cta:hover {
            background: var(--color-accent-hover) !important;
            box-shadow: 0 4px 14px rgba(232, 69, 60, 0.4);
            color: #fff !important;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ========== 按钮系统 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
            border: none;
            font-family: var(--font-sans);
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 69, 60, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(232, 69, 60, 0.4);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--color-gold);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 164, 92, 0.3);
        }

        .btn-gold:hover {
            background: var(--color-gold-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(200, 164, 92, 0.4);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 32px;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-accent);
            margin-bottom: 12px;
            background: rgba(232, 69, 60, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 600px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header.centered {
            text-align: center;
        }

        .section-header.centered .section-subtitle {
            margin: 0 auto;
        }

        /* ========== Hero - 体育社区互动 ========== */
        .hero-community {
            padding-top: calc(var(--nav-height) + 60px);
            padding-bottom: 80px;
            background: linear-gradient(175deg, #f8fafc 0%, #eef2f7 40%, #f9fafb 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-community::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-community::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 39, 68, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-community .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-community .hero-text {
            position: relative;
            z-index: 2;
        }

        .hero-community .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.8px;
            line-height: 1.2;
            margin-bottom: 20px;
        }

        .hero-community .hero-text h1 .highlight {
            color: var(--color-accent);
            position: relative;
            display: inline-block;
        }

        .hero-community .hero-text h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(232, 69, 60, 0.15);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-community .hero-text .hero-desc {
            font-size: 1.15rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-community .hero-kpis {
            display: flex;
            gap: 32px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-community .hero-kpi {
            text-align: left;
        }

        .hero-community .hero-kpi .kpi-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1;
        }

        .hero-community .hero-kpi .kpi-label {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        .hero-community .hero-visual {
            position: relative;
            z-index: 1;
        }

        .hero-community .hero-visual .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            transform: translateY(16px) rotate(-0.5deg);
            transition: transform var(--transition-slow);
        }

        .hero-community .hero-visual .hero-image-wrap:hover {
            transform: translateY(8px) rotate(0deg);
        }

        .hero-community .hero-visual .hero-image-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        .hero-community .hero-visual .hero-badge {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(26, 39, 68, 0.9);
            backdrop-filter: blur(10px);
            color: #fff;
            padding: 10px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-community .hero-visual .hero-badge .pulse-dot {
            width: 10px;
            height: 10px;
            background: #4ade80;
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(74, 222, 128, 0);
            }
        }

        /* ========== 痛点板块 ========== */
        .pain-section {
            background: var(--color-surface);
            padding: 80px 0;
        }

        .pain-section .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .pain-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .pain-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .pain-card:hover {
            border-color: transparent;
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .pain-card:hover::before {
            opacity: 1;
        }

        .pain-card .pain-icon {
            width: 48px;
            height: 48px;
            background: rgba(232, 69, 60, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .pain-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 解决方案板块 ========== */
        .solution-section {
            background: var(--color-bg-alt);
            padding: 80px 0;
            position: relative;
        }

        .solution-section .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .solution-section .solution-image img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .solution-section .solution-image img:hover {
            transform: scale(1.02);
        }

        .solution-section .solution-features {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .solution-section .solution-features li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 1rem;
            color: var(--color-text);
            line-height: 1.6;
        }

        .solution-section .solution-features li:last-child {
            border-bottom: none;
        }

        .solution-section .solution-features li .check-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: rgba(74, 222, 128, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #16a34a;
            font-size: 0.8rem;
            margin-top: 2px;
        }

        /* ========== 功能特色板块 ========== */
        .features-section {
            background: var(--color-surface);
            padding: 80px 0;
        }

        .features-section .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: transparent;
        }

        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            transition: transform var(--transition-normal);
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1);
        }

        .feature-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        .feature-card .feature-tag {
            display: inline-block;
            margin-top: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(232, 69, 60, 0.07);
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.5px;
        }

        /* ========== 数据统计板块 ========== */
        .stats-section {
            background: var(--color-bg-dark);
            padding: 80px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }

        .stats-section .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .stat-item .stat-value {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -1px;
            color: var(--color-gold);
            line-height: 1;
        }

        .stat-item .stat-value .stat-plus {
            color: var(--color-accent);
            font-size: 2rem;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: #d1d5db;
            margin-top: 8px;
            font-weight: 500;
        }

        /* ========== 用户证言板块 ========== */
        .testimonials-section {
            background: var(--color-bg-alt);
            padding: 80px 0;
        }

        .testimonials-section .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 4rem;
            color: rgba(232, 69, 60, 0.08);
            font-family: Georgia, serif;
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* ========== 参与流程板块 ========== */
        .process-section {
            background: var(--color-surface);
            padding: 80px 0;
        }

        .process-section .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-section .process-steps::before {
            content: '';
            position: absolute;
            top: 38px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
            display: none;
        }

        @media (min-width: 769px) {
            .process-section .process-steps::before {
                display: block;
            }
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step .step-number {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: #fff;
            border: 3px solid var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-primary);
            transition: all var(--transition-normal);
            position: relative;
            z-index: 2;
        }

        .process-step:hover .step-number {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: scale(1.08);
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== FAQ 板块 ========== */
        .faq-section {
            background: var(--color-bg-alt);
            padding: 80px 0;
        }

        .faq-section .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-item .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }

        .faq-item .faq-question .faq-arrow {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            background: rgba(26, 39, 68, 0.06);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: transform var(--transition-normal);
            color: var(--color-primary);
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--color-accent);
            color: #fff;
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        .faq-item .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(200, 164, 92, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(232, 69, 60, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-section .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .cta-section .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-section .btn-white {
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            box-shadow: var(--shadow-lg);
        }

        .cta-section .btn-white:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
            box-shadow: var(--shadow-xl);
            color: var(--color-primary);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #e5e7eb;
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-col ul li a {
            color: #9ca3af;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: #9ca3af;
        }

        .site-footer .footer-bottom a {
            color: #9ca3af;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-community .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-community .hero-visual .hero-image-wrap {
                transform: translateY(0) rotate(0);
            }
            .hero-community .hero-visual .hero-image-wrap img {
                height: 320px;
            }
            .hero-community .hero-text h1 {
                font-size: 2.2rem;
            }
            .features-section .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-section .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-section .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-section .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-section .process-steps::before {
                display: none;
            }
            .pain-section .pain-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                text-align: center;
            }
            .nav-toggle {
                display: block;
            }
            .hero-community {
                padding-top: calc(var(--nav-height) + 30px);
                padding-bottom: 50px;
            }
            .hero-community .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-community .hero-kpis {
                gap: 18px;
            }
            .hero-community .hero-kpi .kpi-value {
                font-size: 1.5rem;
            }
            .hero-community .hero-visual .hero-image-wrap img {
                height: 240px;
            }
            .pain-section .pain-grid {
                grid-template-columns: 1fr;
            }
            .solution-section .solution-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .features-section .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-section .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .testimonials-section .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .process-section .process-steps {
                grid-template-columns: 1fr 1fr;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .cta-section .cta-content h2 {
                font-size: 1.6rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-community .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-community .hero-desc {
                font-size: 1rem;
            }
            .features-section .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-section .stats-grid {
                grid-template-columns: 1fr;
            }
            .process-section .process-steps {
                grid-template-columns: 1fr;
            }
            .stat-item .stat-value {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 16px;
            }
            .hero-community .hero-visual .hero-image-wrap img {
                height: 200px;
            }
            .hero-community .hero-kpis {
                gap: 12px;
            }
            .hero-community .hero-kpi .kpi-value {
                font-size: 1.3rem;
            }
            .cta-section .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ========== 动画辅助 ========== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @keyframes float-up {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        .float-anim {
            animation: float-up 4s ease-in-out infinite;
        }