/* roulang page: index */
:root {
            --color-primary: #1a1040;
            --color-primary-light: #2d1f5e;
            --color-primary-dark: #0e0826;
            --color-accent: #d4a853;
            --color-accent-light: #e8c97a;
            --color-accent-dark: #b8923a;
            --color-cta: #e8455b;
            --color-cta-hover: #c92d42;
            --color-bg: #faf9f7;
            --color-bg-alt: #f2f0eb;
            --color-bg-dark: #1a1040;
            --color-surface: #ffffff;
            --color-text: #2c2440;
            --color-text-light: #6b6380;
            --color-text-muted: #9a92ab;
            --color-text-on-dark: #f0edf5;
            --color-border: #e2dde8;
            --color-border-light: #f0ecf4;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-sm: 0 1px 4px rgba(26, 16, 64, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 16, 64, 0.10);
            --shadow-lg: 0 8px 32px rgba(26, 16, 64, 0.14);
            --shadow-xl: 0 14px 48px rgba(26, 16, 64, 0.18);
            --shadow-nav: 0 2px 20px rgba(26, 16, 64, 0.10);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1260px;
            --header-height: 64px;
            --nav-height: 52px;
            --sticky-offset: 116px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-width: 320px;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-body);
            transition: all var(--transition-base);
            border-radius: var(--radius-md);
        }
        button:focus-visible,
        .button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            margin-top: 0;
        }
        h1 {
            font-size: 2.6rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.2rem;
        }

        p {
            margin: 0 0 1rem;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            z-index: 1000;
            position: relative;
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            min-height: var(--header-height);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--color-primary);
            text-decoration: none;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .header-logo:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }
        .header-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.35rem;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .btn-header-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 600;
            border: 1.5px solid var(--color-border);
            background: var(--color-surface);
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
            font-family: var(--font-body);
        }
        .btn-header-action:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: #fdfaf3;
            text-decoration: none;
        }
        .btn-header-action.btn-cta-sm {
            background: var(--color-cta);
            color: #fff;
            border-color: var(--color-cta);
        }
        .btn-header-action.btn-cta-sm:hover {
            background: var(--color-cta-hover);
            border-color: var(--color-cta-hover);
            color: #fff;
        }
        .header-search-icon {
            font-size: 1.1rem;
            color: var(--color-text-light);
            cursor: pointer;
            padding: 8px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
        }
        .header-search-icon:hover {
            background: var(--color-bg-alt);
            color: var(--color-accent-dark);
        }

        /* -- 主导航栏 -- */
        .nav-bar-wrap {
            background: var(--color-primary);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: var(--shadow-nav);
        }
        .nav-bar-inner {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            min-height: var(--nav-height);
        }
        .nav-bar-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 14px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            position: relative;
        }
        .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
            text-decoration: none;
        }
        .nav-link.active {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link .nav-icon {
            margin-right: 7px;
            font-size: 0.85rem;
            opacity: 0.75;
        }

        /* 移动端导航 */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .mobile-nav-panel {
            display: none;
            background: var(--color-primary-dark);
            flex-direction: column;
            padding: 8px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .mobile-nav-panel.is-open {
            display: flex;
        }
        .mobile-nav-panel .nav-link {
            padding: 14px 24px;
            border-bottom: none;
            border-left: 3px solid transparent;
        }
        .mobile-nav-panel .nav-link.active {
            border-left-color: var(--color-accent);
            border-bottom: none;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--color-primary-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 16, 64, 0.88) 0%, rgba(26, 16, 64, 0.72) 40%, rgba(26, 16, 64, 0.55) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 168, 83, 0.18);
            border: 1px solid rgba(212, 168, 83, 0.4);
            color: var(--color-accent-light);
            padding: 7px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 22px;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 1px;
            margin-bottom: 18px;
            line-height: 1.2;
        }
        .hero-title .highlight {
            color: var(--color-accent);
            position: relative;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.75;
            margin-bottom: 30px;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-cta);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.4px;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            font-family: var(--font-body);
            box-shadow: 0 6px 22px rgba(232, 69, 91, 0.35);
        }
        .btn-hero-primary:hover {
            background: var(--color-cta-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(232, 69, 91, 0.45);
            color: #fff;
            text-decoration: none;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.4px;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            font-family: var(--font-body);
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            text-decoration: none;
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--color-primary);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-label {
            color: var(--color-accent-light);
        }

        /* ========== 数据卡片 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -1px;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-light);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 2px;
        }

        /* ========== 核心优势卡片 ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .advantage-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 34px 26px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .advantage-card:hover::before {
            opacity: 1;
        }
        .advantage-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(212, 168, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.5rem;
            color: var(--color-accent-dark);
        }
        .advantage-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--color-primary);
        }
        .advantage-card p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ========== 品牌故事 ========== */
        .story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .story-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .story-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .story-image-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(26, 16, 64, 0.85);
            color: var(--color-accent-light);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }
        .story-text h2 {
            margin-bottom: 16px;
        }
        .story-text p {
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .story-highlights {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 20px;
        }
        .story-highlight-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.95rem;
        }
        .story-highlight-item i {
            color: var(--color-accent);
            font-size: 1.1rem;
        }

        /* ========== 分类入口卡片 ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .category-card {
            display: block;
            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-base);
            text-decoration: none;
            color: var(--color-text);
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            text-decoration: none;
            color: var(--color-text);
        }
        .category-card-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 20px 18px 18px;
        }
        .category-card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--color-primary);
        }
        .category-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            line-height: 1.55;
        }
        .category-card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            margin-top: 8px;
            transition: gap var(--transition-fast);
        }
        .category-card:hover .category-card-arrow {
            gap: 8px;
        }

        /* ========== 赛事服务板块 ========== */
        .service-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .service-item {
            display: flex;
            gap: 18px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .service-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .service-item-img {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .service-item-info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-primary);
        }
        .service-item-info p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin-bottom: 0;
            line-height: 1.5;
        }
        .service-tag {
            display: inline-block;
            background: rgba(212, 168, 83, 0.15);
            color: var(--color-accent-dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            margin-top: 6px;
            letter-spacing: 0.3px;
        }

        /* ========== 合作伙伴 ========== */
        .partner-marquee {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .partner-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-surface);
            border: 1.5px solid var(--color-border);
            border-radius: 40px;
            padding: 14px 24px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            cursor: default;
        }
        .partner-chip:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .partner-chip-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--color-accent-dark);
            flex-shrink: 0;
        }

        /* ========== 用户口碑 ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-quote {
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
            position: relative;
            padding-left: 16px;
            border-left: 3px solid var(--color-accent);
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent-dark);
            font-size: 1rem;
        }
        .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.8rem;
            margin-top: 3px;
        }

        /* ========== 新闻资讯 ========== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .news-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-date-badge {
            flex-shrink: 0;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            text-align: center;
            font-weight: 700;
            font-size: 0.78rem;
            line-height: 1.3;
            min-width: 56px;
        }
        .news-date-badge span {
            display: block;
            font-size: 1.3rem;
            font-weight: 800;
        }
        .news-item-info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-primary);
        }
        .news-item-info p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-read-more {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .news-read-more:hover {
            gap: 7px;
            color: var(--color-accent-dark);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .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-base);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            border: none;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            font-family: var(--font-body);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent-dark);
        }
        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-text-muted);
            font-size: 0.85rem;
            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;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            text-align: center;
            padding: 72px 0;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(26, 16, 64, 0.82);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-content h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 14px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 38px;
            background: var(--color-accent);
            color: var(--color-primary-dark);
            border: none;
            border-radius: var(--radius-md);
            font-weight: 800;
            font-size: 1.05rem;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            font-family: var(--font-body);
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.4);
        }
        .btn-cta-large:hover {
            background: var(--color-accent-light);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(212, 168, 83, 0.55);
            color: var(--color-primary-dark);
            text-decoration: none;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 30px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.65;
            margin-bottom: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.1rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .hero-section {
                min-height: 460px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .service-list {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section {
                padding: 50px 0;
            }
        }

        @media (max-width: 768px) {
            .header-top-row {
                flex-wrap: wrap;
                gap: 10px;
            }
            .header-logo {
                font-size: 1.3rem;
            }
            .header-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .btn-header-action {
                padding: 7px 12px;
                font-size: 0.8rem;
                gap: 3px;
            }
            .header-actions {
                gap: 6px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 400px;
            }
            .hero-content {
                padding: 40px 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .service-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .news-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .nav-link {
                padding: 12px 14px;
                font-size: 0.85rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .container {
                padding: 0 16px;
            }
            .partner-chip {
                padding: 10px 16px;
                font-size: 0.82rem;
            }
            .partner-chip-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            .cta-content h2 {
                font-size: 1.7rem;
            }
            .story-highlights {
                flex-direction: column;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .hero-title {
                font-size: 1.55rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-section {
                min-height: 350px;
            }
            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-card {
                padding: 16px 10px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-card-img {
                height: 160px;
            }
            .service-item {
                flex-direction: column;
                gap: 12px;
            }
            .service-item-img {
                width: 100%;
                height: 140px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .container {
                padding: 0 12px;
            }
            .header-logo {
                font-size: 1.15rem;
                gap: 8px;
            }
            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .btn-header-action {
                font-size: 0.75rem;
                padding: 6px 10px;
            }
            .nav-link {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .nav-bar-inner {
                display: none;
            }
            .nav-bar-inner.mobile-visible {
                display: flex;
                flex-direction: column;
                width: 100%;
            }
            .nav-bar-wrap .container {
                padding: 0 8px;
            }
            .nav-bar-wrap {
                position: sticky;
            }
            .partner-marquee {
                gap: 10px;
            }
            .partner-chip {
                padding: 8px 12px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .btn-cta-large {
                padding: 14px 28px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 400px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.3rem;
            }
            .header-logo {
                font-size: 1rem;
            }
            .header-actions {
                gap: 3px;
            }
            .btn-header-action {
                padding: 5px 8px;
                font-size: 0.7rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-primary-light: #ff6b6b;
            --color-accent: #f4a261;
            --color-accent-dark: #e76f51;
            --color-bg: #fafafa;
            --color-bg-alt: #f0f2f5;
            --color-bg-dark: #1a1a2e;
            --color-bg-darker: #12121f;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-text: #1d1d2c;
            --color-text-secondary: #4a4a5e;
            --color-text-muted: #7a7a8e;
            --color-text-light: #9a9aae;
            --color-border: #e2e4e9;
            --color-border-light: #edf0f4;
            --color-border-strong: #ccd0d8;
            --color-success: #2ec4b6;
            --color-warning: #ff9f43;
            --color-info: #4a90d9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.13);
            --shadow-glow: 0 0 28px rgba(230, 57, 70, 0.18);
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 64px;
            --space-3xl: 80px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', system-ui, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1260px;
            --container-narrow: 960px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        a:hover {
            color: var(--color-primary-dark);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

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

        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 1px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--space-md);
            padding-right: var(--space-md);
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding-left: var(--space-md);
            padding-right: var(--space-md);
        }

        .section {
            padding: var(--space-2xl) 0;
        }

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

        .section-dark {
            background-color: var(--color-bg-dark);
            color: #e8e8f0;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin-bottom: var(--space-xs);
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: var(--space-xl);
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

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

        .section-dark .section-subtitle {
            color: #c0c0d0;
        }

        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-sm) 0;
            gap: var(--space-md);
            flex-wrap: wrap;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--color-primary);
        }

        .header-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            border-radius: var(--radius-md);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            flex-shrink: 0;
        }

        .header-search-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 1.05rem;
        }

        .header-search-icon:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }

        .btn-header-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            background: var(--color-bg-alt);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .btn-header-action:hover {
            background: #e4e6ec;
            color: var(--color-text);
        }

        .btn-header-action.btn-cta-sm {
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 9px 20px;
        }

        .btn-header-action.btn-cta-sm:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .main-nav-bar {
            background: var(--color-bg-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .main-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
        }

        .main-nav-list::-webkit-scrollbar {
            display: none;
        }

        .main-nav-list li {
            flex-shrink: 0;
        }

        .main-nav-list a {
            display: block;
            padding: 13px 20px;
            font-size: 0.93rem;
            font-weight: 600;
            color: #c0c0d0;
            letter-spacing: 0.015em;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--color-primary);
            border-radius: 3px 3px 0 0;
            transition: width var(--transition-base);
        }

        .main-nav-list a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav-list a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav-list a.active::after {
            width: 60%;
        }

        .nav-spacer {
            flex: 1;
            min-width: 0;
        }

        .nav-hot-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 12px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(244, 162, 97, 0.1);
            border-radius: 20px;
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        .nav-hot-tag i {
            font-size: 0.65rem;
            color: var(--color-warning);
        }

        @media (max-width: 768px) {
            .header-top-row {
                gap: var(--space-sm);
                padding: 10px 0;
            }
            .header-logo {
                font-size: 1.2rem;
                gap: 7px;
            }
            .header-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
                border-radius: var(--radius-sm);
            }
            .btn-header-action {
                padding: 7px 13px;
                font-size: 0.82rem;
            }
            .btn-header-action.btn-cta-sm {
                padding: 7px 15px;
            }
            .header-search-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .main-nav-list a {
                padding: 11px 14px;
                font-size: 0.85rem;
            }
            .nav-hot-tag {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .header-top-row {
                justify-content: center;
                text-align: center;
                gap: 8px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-header-action {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
            .btn-header-action.btn-cta-sm {
                padding: 6px 12px;
            }
            .main-nav-list a {
                padding: 9px 10px;
                font-size: 0.8rem;
            }
            .nav-hot-tag {
                font-size: 0.68rem;
                padding: 4px 8px;
            }
            .section {
                padding: var(--space-xl) 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
        }

        .page-banner {
            position: relative;
            padding: var(--space-3xl) 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-position: center 35%;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.72) 50%, rgba(18, 18, 31, 0.85) 100%);
            z-index: 1;
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }

        .breadcrumb-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: var(--space-md);
            flex-wrap: wrap;
        }

        .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

        .breadcrumb-row a:hover {
            color: #fff;
        }

        .breadcrumb-row .separator {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb-row .current {
            color: var(--color-primary-light);
            font-weight: 600;
        }

        .page-banner-title {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--space-sm);
            line-height: 1.25;
        }

        .page-banner-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: var(--space-2xl) 0;
                min-height: 280px;
            }
            .page-banner-title {
                font-size: 2rem;
            }
            .page-banner-desc {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: var(--space-xl) 0;
                min-height: 240px;
            }
            .page-banner-title {
                font-size: 1.6rem;
            }
            .page-banner-desc {
                font-size: 0.9rem;
            }
        }

        .card-hover {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
        }

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

        .card-hover .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8eaef;
        }

        .card-hover .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
            border-radius: 0;
        }

        .card-hover:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-hover .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.03em;
            z-index: 2;
            text-transform: uppercase;
        }

        .badge-live {
            background: var(--color-primary);
            color: #fff;
            animation: pulse-badge 2s infinite;
        }

        .badge-upcoming {
            background: var(--color-accent);
            color: #1a1a2e;
        }

        .badge-completed {
            background: #6c757d;
            color: #fff;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.75;
            }
        }

        .card-hover .card-body {
            padding: var(--space-md);
        }

        .card-hover .card-title {
            font-family: var(--font-display);
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-hover .card-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .card-hover .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card-hover .card-tag-row {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .tag-pill {
            display: inline-block;
            padding: 4px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 20px;
            background: var(--color-bg-alt);
            color: var(--color-text-secondary);
            letter-spacing: 0.015em;
        }

        .tag-pill.tag-hot {
            background: #fff0f0;
            color: var(--color-primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            letter-spacing: 0.015em;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            font-family: var(--font-sans);
        }

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

        .btn-primary:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

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

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

        .btn-lg {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-lg);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

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

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-card {
                padding: var(--space-md);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        .timeline-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--color-border-light);
            border-radius: 2px;
            z-index: 0;
        }

        .timeline-item {
            position: relative;
            padding-left: 52px;
            padding-bottom: var(--space-lg);
            z-index: 1;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 11px;
            top: 4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 3px solid #fff;
            box-shadow: var(--shadow-sm);
            z-index: 2;
        }

        .timeline-dot.dot-accent {
            background: var(--color-accent);
        }

        .timeline-dot.dot-info {
            background: var(--color-info);
        }

        .timeline-content {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
        }

        .timeline-date {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .timeline-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .timeline-desc {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 520px) {
            .timeline-item {
                padding-left: 42px;
            }
            .timeline-list::before {
                left: 14px;
            }
            .timeline-dot {
                left: 6px;
                width: 15px;
                height: 15px;
            }
        }

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

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-sm);
            background: var(--color-surface);
            overflow: hidden;
            transition: all var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: var(--space-md);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
            gap: var(--space-sm);
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base), color var(--transition-fast);
            flex-shrink: 0;
        }

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

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

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 var(--space-md) var(--space-md);
        }

        .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        .cta-block {
            background: linear-gradient(135deg, var(--color-bg-dark) 0%, #1f1f38 100%);
            border-radius: var(--radius-2xl);
            padding: var(--space-2xl) var(--space-lg);
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .cta-block h3 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: var(--space-sm);
        }

        .cta-block p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 500px;
            margin: 0 auto var(--space-lg);
            line-height: 1.6;
        }

        .site-footer {
            background: var(--color-bg-darker);
            color: #c0c0d0;
            padding: var(--space-2xl) 0 var(--space-md);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--space-lg);
            margin-bottom: var(--space-lg);
        }

        .footer-brand-name {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
        }

        .footer-desc {
            font-size: 0.88rem;
            color: #a0a0b8;
            line-height: 1.6;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--space-sm);
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li {
            margin-bottom: 6px;
            font-size: 0.86rem;
            color: #a0a0b8;
        }

        .footer-col ul li a {
            color: #a0a0b8;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--space-md);
            text-align: center;
            font-size: 0.82rem;
            color: #7a7a90;
        }

        .footer-bottom a {
            color: #a0a0b8;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .cta-block {
                padding: var(--space-xl) var(--space-md);
                border-radius: var(--radius-xl);
            }
            .cta-block h3 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .footer-desc {
                max-width: 100%;
            }
            .cta-block h3 {
                font-size: 1.2rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
        }

        .grid-2col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
        }

        .grid-3col {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        @media (max-width: 768px) {
            .grid-2col {
                grid-template-columns: 1fr;
            }
            .grid-3col {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
        }

        @media (max-width: 520px) {
            .grid-3col {
                grid-template-columns: 1fr;
                gap: var(--space-sm);
            }
        }

        .highlight-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            display: flex;
            gap: var(--space-md);
            align-items: flex-start;
        }

        .highlight-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .highlight-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .highlight-icon.icon-red {
            background: #fff0f0;
            color: var(--color-primary);
        }

        .highlight-icon.icon-orange {
            background: #fff6ed;
            color: var(--color-accent);
        }

        .highlight-icon.icon-blue {
            background: #edf5ff;
            color: var(--color-info);
        }

        .highlight-icon.icon-teal {
            background: #edfaf8;
            color: var(--color-success);
        }

        .highlight-info h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .highlight-info p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin: 0;
        }

/* roulang page: category4 */
:root {
            /* 主色体系 */
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-accent: #d4a853;
            --color-accent-light: #e8c97a;
            --color-accent-dark: #b8912e;
            --color-bg: #f8f9fb;
            --color-bg-alt: #f0f2f5;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a6070;
            --color-text-weak: #8b919e;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f4;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;

            /* 圆角 */
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;

            /* 阴影 */
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.10), 0 4px 8px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.04);

            /* 间距 */
            --space-xs: 0.5rem;
            --space-sm: 0.75rem;
            --space-md: 1rem;
            --space-lg: 1.5rem;
            --space-xl: 2rem;
            --space-2xl: 3rem;
            --space-3xl: 4rem;
            --space-4xl: 5rem;

            /* 字体 */
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-lg: 1.125rem;
            --font-size-xl: 1.25rem;
            --font-size-2xl: 1.5rem;
            --font-size-3xl: 1.875rem;
            --font-size-4xl: 2.25rem;
            --font-size-5xl: 3rem;

            /* 导航 */
            --header-height: 56px;
            --nav-height: 48px;
            --header-total-height: 104px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p {
            margin: 0;
            padding: 0;
        }

        /* 容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-narrow {
            max-width: 960px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-primary);
            box-shadow: var(--shadow-lg);
            transition: box-shadow 0.3s ease;
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: var(--space-lg);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-size-2xl);
            font-weight: 700;
            color: #ffffff;
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            transition: opacity 0.2s ease;
        }

        .header-logo:hover {
            opacity: 0.9;
            color: #ffffff;
        }

        .header-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            transition: all 0.2s ease;
            background: rgba(255, 255, 255, 0.08);
        }

        .header-search-icon:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.16);
        }

        .btn-header-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-sm);
            font-weight: 600;
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: all 0.2s ease;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            background: transparent;
            text-decoration: none;
        }

        .btn-header-action:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.5);
            color: #ffffff;
        }

        .btn-header-action.btn-cta-sm {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
        }

        .btn-header-action.btn-cta-sm:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.35);
            transform: translateY(-1px);
        }

        /* 导航栏 */
        .header-nav-bar {
            background: var(--color-primary-light);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
        }

        .header-nav-list::-webkit-scrollbar {
            display: none;
        }

        .header-nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-sm);
            font-weight: 500;
            color: rgba(255, 255, 255, 0.8);
            transition: all 0.2s ease;
            white-space: nowrap;
            letter-spacing: 0.01em;
            text-decoration: none;
        }

        .header-nav-list a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
        }

        .header-nav-list a.nav-active {
            color: var(--color-primary);
            background: var(--color-accent);
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(212, 168, 83, 0.3);
        }

        .header-nav-list a.nav-active:hover {
            background: var(--color-accent-light);
            color: var(--color-primary);
        }

        /* 移动端汉堡菜单 */
        .nav-toggle-btn {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.08);
            border: none;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
            flex-shrink: 0;
            transition: background 0.2s ease;
        }

        .nav-toggle-btn span {
            display: block;
            width: 20px;
            height: 2px;
            background: #ffffff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle-btn.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .nav-toggle-btn:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--space-4xl) 0;
        }

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

        .section-dark {
            background: var(--color-primary);
            color: #ffffff;
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--space-3xl);
        }

        .section-header h2 {
            font-size: var(--font-size-4xl);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--space-md);
            letter-spacing: 0.02em;
        }

        .section-header .section-subtitle {
            font-size: var(--font-size-lg);
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header h2 {
            color: #ffffff;
        }

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

        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-xs);
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(212, 168, 83, 0.15);
            color: var(--color-accent-dark);
            margin-bottom: var(--space-md);
        }

        .section-dark .section-tag {
            background: rgba(212, 168, 83, 0.2);
            color: var(--color-accent-light);
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            position: relative;
            min-height: 460px;
            display: flex;
            align-items: center;
            background: var(--color-primary) url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.6) 50%, rgba(26, 26, 46, 0.75) 100%);
            z-index: 1;
        }

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

        .hero-content {
            max-width: 720px;
            padding: var(--space-4xl) 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: var(--radius-full);
            background: rgba(212, 168, 83, 0.2);
            color: var(--color-accent-light);
            font-size: var(--font-size-sm);
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-lg);
            border: 1px solid rgba(212, 168, 83, 0.3);
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-content h1 {
            font-size: var(--font-size-5xl);
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: var(--space-lg);
            letter-spacing: 0.02em;
        }

        .hero-content h1 .highlight {
            color: var(--color-accent);
        }

        .hero-content .hero-desc {
            font-size: var(--font-size-lg);
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: var(--space-xl);
            max-width: 600px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-base);
            font-weight: 700;
            letter-spacing: 0.02em;
            cursor: pointer;
            border: none;
            background: var(--color-accent);
            color: var(--color-primary);
            transition: all 0.25s ease;
            text-decoration: none;
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.3);
        }

        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.45);
            color: var(--color-primary);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-size: var(--font-size-base);
            font-weight: 600;
            letter-spacing: 0.02em;
            cursor: pointer;
            border: 2px solid rgba(255, 255, 255, 0.5);
            background: transparent;
            color: #ffffff;
            transition: all 0.25s ease;
            text-decoration: none;
        }

        .btn-outline-light:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* ========== 特色卡片 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

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

        .feature-icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-lg);
            background: rgba(212, 168, 83, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--color-accent-dark);
            transition: all 0.3s ease;
        }

        .feature-card:hover .feature-icon-wrap {
            background: var(--color-accent);
            color: #ffffff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: var(--font-size-xl);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

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

        /* ========== 热门话题列表 ========== */
        .topics-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .topic-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }

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

        .topic-rank {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: var(--font-size-lg);
            background: var(--color-bg-alt);
            color: var(--color-text-secondary);
        }

        .topic-card:nth-child(1) .topic-rank {
            background: #fef3c7;
            color: #b45309;
        }

        .topic-card:nth-child(2) .topic-rank {
            background: #e0e7ff;
            color: #3730a3;
        }

        .topic-card:nth-child(3) .topic-rank {
            background: #fce7f3;
            color: #9d174d;
        }

        .topic-info h4 {
            font-size: var(--font-size-base);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .topic-info .topic-meta {
            font-size: var(--font-size-xs);
            color: var(--color-text-weak);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .topic-info .topic-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .topic-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(212, 168, 83, 0.12);
            color: var(--color-accent-dark);
            margin-top: 8px;
        }

        /* ========== 数据统计 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .stat-number {
            font-size: var(--font-size-4xl);
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            margin-bottom: 6px;
            line-height: 1.1;
        }

        .stat-label {
            font-size: var(--font-size-sm);
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* ========== 用户评价 ========== */
        .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;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all 0.3s ease;
            position: relative;
        }

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

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-accent);
            opacity: 0.5;
            margin-bottom: 12px;
        }

        .testimonial-card .testimonial-text {
            font-size: var(--font-size-sm);
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

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

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-full);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent-dark);
            font-size: var(--font-size-sm);
            flex-shrink: 0;
        }

        .testimonial-author-info strong {
            display: block;
            font-size: var(--font-size-sm);
            color: var(--color-text);
            font-weight: 600;
        }

        .testimonial-author-info span {
            font-size: var(--font-size-xs);
            color: var(--color-text-weak);
        }

        /* ========== FAQ ========== */
        .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 0.3s ease;
            box-shadow: var(--shadow-xs);
        }

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

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            font-size: var(--font-size-base);
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            letter-spacing: 0.01em;
            transition: color 0.2s ease;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: var(--radius-full);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all 0.3s ease;
            color: var(--color-text-secondary);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #ffffff;
        }

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

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: var(--font-size-sm);
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

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

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.06);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: var(--font-size-3xl);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: var(--space-md);
            letter-spacing: 0.02em;
        }

        .cta-section p {
            font-size: var(--font-size-lg);
            color: rgba(255, 255, 255, 0.75);
            max-width: 550px;
            margin: 0 auto var(--space-xl);
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            font-size: var(--font-size-lg);
            padding: 15px 36px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-4xl) 0 var(--space-xl);
            border-top: 4px solid var(--color-accent);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: var(--space-2xl);
        }

        .footer-brand-name {
            font-size: var(--font-size-2xl);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: var(--font-size-sm);
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            font-size: var(--font-size-base);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            font-size: var(--font-size-sm);
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-col ul li {
            font-size: var(--font-size-sm);
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--space-lg);
            text-align: center;
            font-size: var(--font-size-xs);
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --font-size-5xl: 2.4rem;
                --font-size-4xl: 1.9rem;
                --font-size-3xl: 1.6rem;
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .stats-grid .stat-card:nth-child(4),
            .stats-grid .stat-card:nth-child(5) {
                grid-column: span 1;
            }

            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .topics-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .hero-banner {
                min-height: 380px;
            }

            .hero-content h1 {
                font-size: var(--font-size-4xl);
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 52px;
                --nav-height: auto;
                --header-total-height: auto;
                --font-size-5xl: 2rem;
                --font-size-4xl: 1.6rem;
                --font-size-3xl: 1.4rem;
                --font-size-2xl: 1.25rem;
            }

            .section {
                padding: var(--space-2xl) 0;
            }

            .section-header {
                margin-bottom: var(--space-xl);
            }

            .header-nav-bar {
                height: auto;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease, padding 0.4s ease;
                padding: 0;
            }

            .header-nav-bar.mobile-open {
                max-height: 420px;
                padding: 8px 0;
            }

            .header-nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 0 8px;
            }

            .header-nav-list a {
                border-radius: var(--radius-md);
                padding: 10px 16px;
                font-size: var(--font-size-base);
                justify-content: center;
            }

            .nav-toggle-btn {
                display: flex;
            }

            .header-actions .btn-header-action {
                display: none;
            }

            .header-actions .btn-header-action.btn-cta-sm {
                display: inline-flex;
                padding: 7px 14px;
                font-size: var(--font-size-xs);
            }

            .header-search-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stats-grid .stat-card:nth-child(5) {
                grid-column: span 2;
            }

            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .topics-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-banner {
                min-height: 340px;
            }

            .hero-content {
                padding: var(--space-2xl) 0;
            }

            .hero-content h1 {
                font-size: var(--font-size-3xl);
            }

            .hero-content .hero-desc {
                font-size: var(--font-size-base);
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline-light {
                width: 100%;
                justify-content: center;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: var(--font-size-sm);
            }

            .faq-answer-inner {
                padding: 0 18px 16px;
            }

            .cta-section h2 {
                font-size: var(--font-size-2xl);
            }

            .cta-section p {
                font-size: var(--font-size-base);
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-size-5xl: 1.7rem;
                --font-size-4xl: 1.4rem;
                --font-size-3xl: 1.25rem;
                --font-size-2xl: 1.15rem;
            }

            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .header-logo {
                font-size: var(--font-size-lg);
                gap: 6px;
            }

            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
                border-radius: var(--radius-sm);
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stats-grid .stat-card:nth-child(5) {
                grid-column: span 2;
            }

            .stat-number {
                font-size: var(--font-size-2xl);
            }

            .stat-card {
                padding: 18px 12px;
            }

            .feature-card {
                padding: 22px 16px;
            }

            .hero-banner {
                min-height: 300px;
            }

            .hero-content h1 {
                font-size: var(--font-size-4xl);
            }

            .section-header h2 {
                font-size: var(--font-size-3xl);
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #6C3CE1;
            --color-primary-dark: #5A2FBF;
            --color-primary-light: #8B5CF6;
            --color-accent: #FF6B35;
            --color-accent-dark: #E55A28;
            --color-accent-light: #FF8C5A;
            --color-bg: #F8F9FB;
            --color-bg-alt: #F0F2F5;
            --color-surface: #FFFFFF;
            --color-text: #1E1E2E;
            --color-text-strong: #111118;
            --color-text-weak: #6B7280;
            --color-text-muted: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-light: #F0F1F3;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --color-danger: #EF4444;
            --color-dark-bg: #1A1A2E;
            --color-dark-surface: #252540;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-glow: 0 0 24px rgba(108, 60, 225, 0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --section-gap: 60px;
            --section-gap-sm: 40px;
            --container-max: 1200px;
        }

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

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

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            color: var(--color-text-strong);
            font-weight: 700;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
            z-index: 1000;
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 16px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-strong);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--color-primary);
            opacity: 0.9;
        }
        .header-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .header-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            cursor: pointer;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            font-size: 1rem;
        }
        .header-search-icon:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }
        .btn-header-action {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text);
            background: var(--color-bg-alt);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-header-action:hover {
            background: #e2e4e8;
            color: var(--color-text-strong);
        }
        .btn-cta-sm {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .btn-cta-sm:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        /* 分类导航栏 */
        .category-nav-bar {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 999;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-base);
        }
        .category-nav-bar.scrolled {
            box-shadow: var(--shadow-md);
        }
        .category-nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .category-nav-inner::-webkit-scrollbar {
            display: none;
        }
        .category-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 14px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-weak);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
        }
        .category-nav-link:hover {
            color: var(--color-primary);
            background: rgba(108, 60, 225, 0.03);
        }
        .category-nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
            border-bottom-color: var(--color-primary);
            background: rgba(108, 60, 225, 0.04);
        }
        .category-nav-link .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            display: none;
        }
        .category-nav-link.active .nav-dot {
            display: inline-block;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: var(--color-dark-bg);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(108, 60, 225, 0.55) 50%, rgba(26, 26, 46, 0.78) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: 50px 0;
            color: #fff;
            max-width: 700px;
        }
        .page-banner-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #fff;
            margin-bottom: 16px;
        }
        .page-banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .page-banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .page-banner-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .page-banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
        }
        .page-banner-stat i {
            color: var(--color-accent-light);
            font-size: 1.1rem;
        }
        .page-banner-stat strong {
            font-size: 1.3rem;
            color: #fff;
        }

        /* ===== Section通用 ===== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: rgba(108, 60, 225, 0.08);
            color: var(--color-primary);
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        /* ===== 主播卡片 ===== */
        .streamer-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .streamer-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border);
        }
        .streamer-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }
        .streamer-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .streamer-card:hover .streamer-card-img-wrap img {
            transform: scale(1.06);
        }
        .streamer-live-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: var(--color-danger);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 5px;
            z-index: 3;
            animation: pulse-live 2s infinite;
        }
        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }
        .streamer-live-badge::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            display: inline-block;
        }
        .streamer-viewer-count {
            position: absolute;
            bottom: 10px;
            right: 10px;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 500;
            z-index: 3;
        }
        .streamer-card-body {
            padding: 16px 18px;
        }
        .streamer-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text-strong);
        }
        .streamer-card-body .streamer-game {
            font-size: 0.85rem;
            color: var(--color-primary);
            font-weight: 500;
            margin-bottom: 6px;
        }
        .streamer-card-body .streamer-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .streamer-tag {
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: var(--color-bg-alt);
            font-size: 0.75rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ===== 数据统计卡片 ===== */
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            background: rgba(108, 60, 225, 0.08);
            color: var(--color-primary);
        }
        .stat-card-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 4px;
            letter-spacing: -1px;
        }
        .stat-card-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ===== 游戏分类入口 ===== */
        .game-category-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
            display: block;
            color: var(--color-text);
        }
        .game-category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary-light);
            color: var(--color-text);
        }
        .game-category-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.5rem;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
            color: #fff;
            transition: transform var(--transition-base);
        }
        .game-category-card:hover .game-category-icon {
            transform: rotate(-5deg) scale(1.1);
        }
        .game-category-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .game-category-card .gc-count {
            font-size: 0.82rem;
            color: var(--color-text-weak);
        }

        /* ===== 特色功能卡片 ===== */
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .feature-card-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;
            background: rgba(255, 107, 53, 0.1);
            color: var(--color-accent);
        }
        .feature-card-text h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .feature-card-text p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 评价卡片 ===== */
        .review-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .review-card:hover {
            box-shadow: var(--shadow-md);
        }
        .review-stars {
            color: var(--color-warning);
            font-size: 0.95rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .review-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            object-fit: cover;
            background: var(--color-bg-alt);
        }
        .review-author-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text-strong);
        }
        .review-author-role {
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }

        /* ===== CTA区域 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-dark-bg) 0%, var(--color-dark-surface) 100%);
            padding: var(--section-gap) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(108, 60, 225, 0.12);
            border-radius: 50%;
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 107, 53, 0.08);
            border-radius: 50%;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-size: 1.05rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            transition: all var(--transition-base);
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 107, 53, 0.35);
            letter-spacing: 0.3px;
        }
        .btn-cta-large:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.45);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-size: 1.05rem;
            font-weight: 700;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-base);
            cursor: pointer;
            margin-left: 12px;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .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 {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text-strong);
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--color-bg-alt);
        }
        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-text-weak);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-item.open .faq-question {
            color: var(--color-primary);
            background: rgba(108, 60, 225, 0.03);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 18px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-dark-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-brand-name {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .page-banner-title {
                font-size: 2.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section {
                padding: 45px 0;
            }
            .section-sm {
                padding: 30px 0;
            }
            :root {
                --section-gap: 45px;
                --section-gap-sm: 30px;
            }
        }

        @media (max-width: 768px) {
            .header-top-row {
                padding: 10px 0;
                gap: 10px;
            }
            .header-logo {
                font-size: 1.15rem;
                gap: 7px;
            }
            .header-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .btn-header-action {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .header-search-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .category-nav-link {
                padding: 11px 14px;
                font-size: 0.85rem;
            }
            .page-banner {
                min-height: 240px;
            }
            .page-banner-content {
                padding: 35px 0;
            }
            .page-banner-title {
                font-size: 1.7rem;
            }
            .page-banner-desc {
                font-size: 0.95rem;
            }
            .page-banner-stats {
                gap: 14px;
            }
            .page-banner-stat {
                font-size: 0.82rem;
            }
            .page-banner-stat strong {
                font-size: 1.1rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .stat-card-value {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.92rem;
            }
            .btn-cta-large,
            .btn-outline-light {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .btn-outline-light {
                margin-left: 8px;
            }
            .feature-card {
                flex-direction: column;
                gap: 10px;
                padding: 20px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-desc {
                max-width: 100%;
            }
            :root {
                --section-gap: 36px;
                --section-gap-sm: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .header-top-row {
                flex-wrap: wrap;
                gap: 8px;
            }
            .header-logo {
                font-size: 1.05rem;
            }
            .header-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.75rem;
                border-radius: var(--radius-sm);
            }
            .btn-header-action {
                padding: 6px 11px;
                font-size: 0.78rem;
            }
            .header-search-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .category-nav-link {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
            .page-banner {
                min-height: 200px;
            }
            .page-banner-content {
                padding: 28px 0;
            }
            .page-banner-title {
                font-size: 1.4rem;
            }
            .page-banner-desc {
                font-size: 0.85rem;
            }
            .page-banner-stats {
                gap: 8px;
                flex-direction: column;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .section-header p {
                font-size: 0.88rem;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card-value {
                font-size: 1.3rem;
            }
            .stat-card-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
                margin-bottom: 10px;
            }
            .streamer-card-body {
                padding: 12px 14px;
            }
            .streamer-card-body h3 {
                font-size: 0.95rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-cta-large,
            .btn-outline-light {
                padding: 10px 20px;
                font-size: 0.88rem;
                display: block;
                width: 100%;
                text-align: center;
                justify-content: center;
                margin: 8px 0;
            }
            .btn-outline-light {
                margin-left: 0;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.84rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .review-card {
                padding: 16px 14px;
            }
            .footer-bottom {
                font-size: 0.75rem;
            }
            :root {
                --section-gap: 28px;
                --section-gap-sm: 20px;
            }
        }

/* roulang page: category3 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #5b2d8e;
            --color-primary-dark: #3f1d63;
            --color-primary-light: #7c3fbd;
            --color-accent: #e84560;
            --color-accent-hover: #d1334e;
            --color-gold: #f0a500;
            --color-gold-light: #fdf0d1;
            --color-bg: #faf9ff;
            --color-bg-alt: #f3f0fa;
            --color-surface: #ffffff;
            --color-text: #1f2937;
            --color-text-strong: #111827;
            --color-text-weak: #6b7280;
            --color-text-muted: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f0eef5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --header-height: 60px;
            --nav-height: 46px;
            --total-header-height: 106px;
        }

        /* ============ 基础 Reset 与全局 ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            color: var(--color-text-strong);
        }

        p {
            margin: 0 0 1em;
        }

        /* ============ 容器 ============ */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container--narrow {
            max-width: 900px;
        }

        /* ============ Header（吸顶导航） ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-surface);
            box-shadow: var(--shadow-md);
            border-bottom: 1px solid var(--color-border-light);
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .header-logo:hover {
            opacity: 0.82;
            color: var(--color-primary-dark);
        }

        .header-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(91, 45, 142, 0.3);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            cursor: pointer;
            color: var(--color-text-weak);
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            background: var(--color-bg-alt);
            flex-shrink: 0;
        }

        .header-search-icon:hover {
            color: var(--color-primary);
            background: #e8e0f5;
            transform: scale(1.05);
        }

        .btn-header-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            border: 1.5px solid var(--color-border);
            background: var(--color-surface);
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-header-action:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary);
            background: #faf7ff;
            box-shadow: var(--shadow-sm);
        }

        .btn-cta-sm {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .btn-cta-sm:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 69, 96, 0.35);
            transform: translateY(-1px);
        }

        /* 分类导航行 */
        .header-nav-row {
            background: var(--color-bg-alt);
            border-top: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            overflow-y: hidden;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            gap: 4px;
            padding: 0 4px;
        }

        .header-nav-row::-webkit-scrollbar {
            display: none;
            height: 0;
        }

        .header-nav-inner {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: nowrap;
            min-width: max-content;
            padding: 0 16px;
            margin: 0 auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(91, 45, 142, 0.06);
        }

        .nav-link--active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 700;
            box-shadow: 0 2px 10px rgba(91, 45, 142, 0.3);
        }

        .nav-link--active:hover {
            color: #fff;
            background: var(--color-primary-dark);
        }

        .nav-link--home {
            font-weight: 600;
            color: var(--color-text);
        }

        .nav-link--home:hover {
            color: var(--color-primary);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            padding: 14px 0;
            font-size: 0.85rem;
            color: var(--color-text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-bar a:hover {
            color: var(--color-primary-dark);
            text-decoration: underline;
        }

        .breadcrumb-sep {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb-current {
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ============ 分类 Hero Banner ============ */
        .category-hero {
            position: relative;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin-bottom: 40px;
            min-height: 300px;
            display: flex;
            align-items: center;
        }

        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 27, 75, 0.85) 0%, rgba(91, 45, 142, 0.72) 50%, rgba(30, 27, 75, 0.78) 100%);
            z-index: 1;
        }

        .category-hero-content {
            position: relative;
            z-index: 2;
            padding: 48px 36px;
            color: #fff;
            max-width: 700px;
        }

        .category-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: var(--color-gold);
            color: #1f2937;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .category-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            line-height: 1.25;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .category-hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.6;
            max-width: 540px;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
        }

        /* ============ 板块通用 ============ */
        .section {
            padding: 48px 0;
        }

        .section--alt {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            margin: 0 0 40px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-header p {
            color: var(--color-text-weak);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .section-header--left {
            text-align: left;
        }

        .section-header--left p {
            margin: 0;
        }

        /* ============ 资讯列表卡片 ============ */
        .article-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            border-radius: var(--radius-md);
            cursor: pointer;
        }

        .article-list-item:hover {
            background: #fdfbff;
            padding-left: 12px;
            padding-right: 12px;
            margin-left: -12px;
            margin-right: -12px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border-bottom-color: transparent;
        }

        .article-list-thumb {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-alt);
        }

        .article-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .article-list-item:hover .article-list-thumb img {
            transform: scale(1.06);
        }

        .article-list-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-width: 0;
        }

        .article-list-meta {
            display: flex;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            flex-wrap: wrap;
            align-items: center;
        }

        .article-list-meta .tag-pill {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            background: #f0e6fa;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }

        .article-list-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .article-list-item:hover .article-list-title {
            color: var(--color-primary);
        }

        .article-list-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .article-list-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .article-list-readmore:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        .article-list-readmore i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }

        .article-list-readmore:hover i {
            transform: translateX(3px);
        }

        /* ============ 热门精选卡片网格 ============ */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .featured-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

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

        .featured-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: transform var(--transition-slow);
        }

        .featured-card:hover .featured-card-img {
            transform: scale(1.05);
        }

        .featured-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 700;
            background: #fef3e2;
            color: var(--color-gold);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
            align-self: flex-start;
        }

        .featured-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .featured-card:hover h3 {
            color: var(--color-primary);
        }

        .featured-card p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            margin-bottom: 12px;
            flex: 1;
        }

        .featured-card-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ============ 标签云 ============ */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-cloud-item {
            display: inline-block;
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--color-surface);
            border: 1.5px solid var(--color-border);
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .tag-cloud-item:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary);
            background: #faf7ff;
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .tag-cloud-item--hot {
            background: #fff5f5;
            border-color: #fecaca;
            color: var(--color-accent);
            font-weight: 700;
        }

        .tag-cloud-item--hot:hover {
            background: #fff0f0;
            border-color: var(--color-accent);
            color: var(--color-accent-hover);
        }

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

        .stat-card {
            background: var(--color-surface);
            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);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: #d5c8eb;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            margin-bottom: 4px;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .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-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d5c8eb;
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-text-strong);
            letter-spacing: 0.01em;
            user-select: none;
            transition: color var(--transition-fast);
        }

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

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

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

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open {
            border-color: #c8b8e6;
            box-shadow: var(--shadow-md);
        }

        /* ============ CTA 板块 ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.02em;
            cursor: pointer;
            transition: all var(--transition-normal);
            position: relative;
            z-index: 1;
            border: none;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
        }

        .btn-cta-large:hover {
            background: #fefefe;
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
            color: var(--color-primary-dark);
        }

        .btn-cta-large i {
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
        }

        .btn-cta-large:hover i {
            transform: translateX(3px);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #1a1830;
            color: #c5c2d9;
            padding: 48px 0 20px;
            margin-top: 48px;
            border-top: 3px solid var(--color-primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            color: #b0adc7;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: #b0adc7;
            transition: color var(--transition-fast);
            display: inline-block;
        }

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

        .footer-col ul li {
            font-size: 0.88rem;
            color: #b0adc7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            text-align: center;
            font-size: 0.82rem;
            color: #8a87a3;
        }

        .footer-bottom a {
            color: #b0adc7;
            transition: color var(--transition-fast);
        }

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

        /* ============ 响应式断点 ============ */
        @media screen and (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .category-hero h1 {
                font-size: 2rem;
            }

            .category-hero-content {
                padding: 36px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .article-list-thumb {
                width: 160px;
                height: 120px;
            }

            .article-list-title {
                font-size: 1.05rem;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --header-height: 52px;
                --nav-height: 40px;
                --total-header-height: 92px;
            }

            .header-top-row {
                gap: 10px;
            }

            .header-logo {
                font-size: 1.15rem;
                gap: 6px;
            }

            .header-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
                border-radius: 7px;
            }

            .btn-header-action {
                padding: 7px 13px;
                font-size: 0.78rem;
            }

            .header-search-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .nav-link {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .featured-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .featured-card-img {
                height: 160px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-number {
                font-size: 1.7rem;
            }

            .category-hero {
                min-height: 220px;
                border-radius: var(--radius-lg);
            }

            .category-hero h1 {
                font-size: 1.6rem;
            }

            .category-hero-desc {
                font-size: 0.9rem;
            }

            .category-hero-content {
                padding: 28px 18px;
            }

            .article-list-item {
                flex-direction: column;
                gap: 12px;
            }

            .article-list-thumb {
                width: 100%;
                height: 180px;
            }

            .article-list-title {
                font-size: 1rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .cta-section {
                padding: 32px 20px;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .section {
                padding: 32px 0;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .tag-cloud-item {
                padding: 8px 15px;
                font-size: 0.8rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }

            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.84rem;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 12px;
            }

            .header-top-row {
                height: 48px;
                gap: 6px;
            }

            .header-logo {
                font-size: 1rem;
            }

            .header-logo-icon {
                width: 26px;
                height: 26px;
                font-size: 0.7rem;
                border-radius: 6px;
            }

            .btn-header-action {
                padding: 6px 10px;
                font-size: 0.7rem;
            }

            .btn-cta-sm {
                display: none;
            }

            .header-search-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }

            .nav-link {
                padding: 5px 10px;
                font-size: 0.74rem;
            }

            .featured-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .featured-card-img {
                height: 180px;
            }

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card {
                padding: 18px 10px;
            }

            .stat-number {
                font-size: 1.4rem;
            }

            .stat-label {
                font-size: 0.75rem;
            }

            .category-hero {
                min-height: 180px;
                border-radius: var(--radius-md);
            }

            .category-hero h1 {
                font-size: 1.3rem;
            }

            .category-hero-desc {
                font-size: 0.8rem;
            }

            .category-hero-content {
                padding: 20px 14px;
            }

            .category-hero-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }

            .article-list-thumb {
                height: 150px;
            }

            .article-list-title {
                font-size: 0.92rem;
            }

            .article-list-excerpt {
                font-size: 0.8rem;
            }

            .tag-cloud {
                gap: 6px;
            }

            .tag-cloud-item {
                padding: 6px 12px;
                font-size: 0.74rem;
            }

            .cta-section {
                padding: 24px 14px;
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 1.2rem;
            }

            .cta-section p {
                font-size: 0.85rem;
            }

            .btn-cta-large {
                padding: 12px 22px;
                font-size: 0.9rem;
            }

            .faq-question {
                padding: 12px 14px;
                font-size: 0.84rem;
            }

            .faq-answer {
                padding: 0 14px 12px;
                font-size: 0.78rem;
            }

            .section-header h2 {
                font-size: 1.25rem;
            }
        }

        /* ============ 辅助工具类 ============ */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mt-3 {
            margin-top: 24px;
        }

        /* Focus 可访问性轮廓 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: 3px;
        }

        .nav-link:focus-visible {
            outline-offset: 0;
            border-radius: 50px;
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #e94560;
            --color-accent-hover: #d13654;
            --color-accent-light: #fde8ec;
            --color-gold: #c9a96e;
            --color-gold-light: #f5ecd7;
            --color-bg: #fafafa;
            --color-bg-alt: #f0f2f5;
            --color-bg-dark: #1a1a2e;
            --color-text: #1e1e2d;
            --color-text-secondary: #5a5d6e;
            --color-text-light: #8a8d9e;
            --color-text-on-dark: #e8e9ef;
            --color-border: #e2e4ea;
            --color-border-light: #eef0f4;
            --color-white: #ffffff;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 16px 44px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height: 68px;
            --nav-height: 50px;
            --total-header-height: 118px;
        }

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

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

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

        p {
            margin: 0;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--color-accent);
        }

        .header-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-accent), #f0627d);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            cursor: pointer;
            color: var(--color-text-secondary);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
            background: var(--color-bg-alt);
        }

        .header-search-icon:hover {
            background: var(--color-border);
            color: var(--color-text);
        }

        .btn-header-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 18px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1.5px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text);
            text-decoration: none;
        }

        .btn-header-action:hover {
            border-color: var(--color-text-light);
            background: var(--color-bg-alt);
            color: var(--color-text);
        }

        .btn-cta-sm {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            font-weight: 700;
        }

        .btn-cta-sm:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 6px 20px rgba(233, 68, 96, 0.35);
            transform: translateY(-1px);
        }

        /* 主导航行 */
        .header-nav-row {
            border-top: 1px solid var(--color-border-light);
            background: var(--color-white);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .header-nav-row::-webkit-scrollbar {
            display: none;
        }

        .header-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            white-space: nowrap;
        }

        .header-nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            border-radius: 22px;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            position: relative;
        }

        .header-nav-list a:hover {
            color: var(--color-text);
            background: var(--color-bg-alt);
        }

        .header-nav-list a.nav-active {
            color: var(--color-accent);
            background: var(--color-accent-light);
            font-weight: 700;
        }

        .header-nav-list a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }

        .header-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            cursor: pointer;
            background: var(--color-bg-alt);
            border: none;
            font-size: 1.3rem;
            color: var(--color-text);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .header-mobile-toggle:hover {
            background: var(--color-border);
        }

        .header-mobile-toggle.active {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }

        /* 移动端导航面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--color-white);
            border-bottom: 2px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            z-index: 999;
            padding: 16px 20px;
            flex-direction: column;
            gap: 4px;
            max-height: 70vh;
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover {
            background: var(--color-bg-alt);
            color: var(--color-text);
        }

        .mobile-nav-panel a.nav-active {
            background: var(--color-accent-light);
            color: var(--color-accent);
            font-weight: 700;
        }

        @media (max-width: 920px) {
            .header-nav-row {
                display: none;
            }
            .header-mobile-toggle {
                display: flex;
            }
            :root {
                --total-header-height: 68px;
            }
        }

        @media (min-width: 921px) {
            .mobile-nav-panel {
                display: none !important;
            }
            .header-mobile-toggle {
                display: none;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: 72px 0 80px;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: var(--color-text-on-dark);
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(22, 33, 62, 0.82) 40%, rgba(26, 26, 46, 0.9) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-banner-content {
            max-width: 720px;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 24px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: #f0d78c;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.8px;
            margin-bottom: 18px;
            line-height: 1.2;
        }

        .page-banner h1 span {
            color: #f0d78c;
        }

        .page-banner-desc {
            font-size: 1.15rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 30px;
            max-width: 600px;
        }

        .banner-stats-row {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .banner-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .banner-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #f0d78c;
            letter-spacing: 0.5px;
            line-height: 1;
        }

        .banner-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 48px 0 56px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner-desc {
                font-size: 1rem;
            }
            .banner-stats-row {
                gap: 20px;
            }
            .banner-stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .banner-stats-row {
                gap: 14px;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 64px 0;
        }

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

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 580px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        @media (max-width: 768px) {
            .section {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .section-header .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon-accent {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }

        .card-icon-gold {
            background: var(--color-gold-light);
            color: var(--color-gold);
        }

        .card-icon-primary {
            background: #e8ecf5;
            color: var(--color-primary);
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .card p {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex-grow: 1;
        }

        /* 案例卡片 */
        .case-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

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

        .case-card-body {
            padding: 20px 22px 22px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
            width: fit-content;
            background: var(--color-accent-light);
            color: var(--color-accent);
        }

        .case-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

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

        /* ========== STATS ROW ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.5px;
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-number.gold {
            color: var(--color-gold);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        @media (max-width: 920px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 18px 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.8rem;
            }
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 20px 14px;
        }

        .process-step-num {
            width: 54px;
            height: 54px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            background: var(--color-accent);
            position: relative;
            z-index: 2;
            box-shadow: 0 6px 20px rgba(233, 68, 96, 0.3);
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 27px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--color-border);
            z-index: 1;
        }

        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .process-steps::before {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .process-step {
                padding: 14px 8px;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            height: 100%;
        }

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 10px;
            left: 18px;
            font-size: 3.5rem;
            color: var(--color-accent-light);
            line-height: 1;
            font-family: serif;
            pointer-events: none;
        }

        .testimonial-text {
            font-size: 0.95rem;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
            padding-top: 14px;
            position: relative;
            z-index: 1;
        }

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

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            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-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

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

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--color-text);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-alt);
            font-size: 0.75rem;
            transition: all var(--transition-base);
            color: var(--color-text-secondary);
        }

        .faq-item.open .faq-icon {
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(233, 68, 96, 0.12);
            top: -100px;
            right: -80px;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.1);
            bottom: -80px;
            left: -60px;
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.4px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            box-shadow: 0 8px 28px rgba(233, 68, 96, 0.4);
        }

        .btn-cta-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 12px 36px rgba(233, 68, 96, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.4px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            margin-left: 14px;
        }

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

        @media (max-width: 520px) {
            .cta-section h2 {
                font-size: 1.45rem;
            }
            .btn-outline-lg {
                margin-left: 0;
                margin-top: 10px;
            }
            .btn-cta-lg,
            .btn-outline-lg {
                display: flex;
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: var(--color-text-on-dark);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            color: #fff;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: #f0d78c;
        }

        .footer-col ul li {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #f0d78c;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-col:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-gold {
            color: var(--color-gold);
        }
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-20 {
            gap: 20px;
        }

        /* Foundation overrides */
        .row {
            max-width: var(--max-width);
        }
        .row .row {
            max-width: none;
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #25254a;
            --color-accent: #c89b3c;
            --color-accent-light: #e0c06e;
            --color-accent-dark: #a07828;
            --color-bg: #fafaf8;
            --color-bg-alt: #f3f0ea;
            --color-bg-dark: #1a1a2e;
            --color-text: #1c1c1c;
            --color-text-light: #5a5a5a;
            --color-text-muted: #8a8a8a;
            --color-border: #e0dcd4;
            --color-border-light: #ece8e0;
            --color-white: #ffffff;
            --color-success: #2d8b4e;
            --color-warning: #d4a017;
            --color-danger: #c0392b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.14);
            --shadow-xl: 0 20px 55px rgba(0, 0, 0, 0.18);
            --shadow-accent: 0 6px 24px rgba(200, 155, 60, 0.22);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', sans-serif;
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.40s cubic-bezier(0.34, 1.56, 0.64, 1);
            --max-width: 1260px;
            --header-height: 62px;
            --nav-row-height: 46px;
            --header-total-height: 108px;
        }

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

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

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            font-size: 16px;
            letter-spacing: 0.01em;
        }

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

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

        button,
        input,
        .btn {
            font-family: var(--font-body);
            cursor: pointer;
            outline: none;
        }

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

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 20px;
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
            letter-spacing: 0.03em;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: var(--color-accent);
        }
        .header-logo:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 4px;
            border-radius: 6px;
        }

        .header-logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            border-radius: 10px;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .header-search-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            color: var(--color-text-light);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 1.05rem;
        }
        .header-search-icon:hover {
            background: var(--color-border);
            color: var(--color-text);
        }
        .header-search-icon:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 2px;
        }

        .btn-header-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 18px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
            border: 1.5px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-header-action:hover {
            background: var(--color-bg-alt);
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            box-shadow: var(--shadow-sm);
        }
        .btn-header-action:active {
            transform: scale(0.97);
        }

        .btn-cta-sm {
            background: var(--color-accent);
            color: #fff;
            border: 1.5px solid var(--color-accent);
            box-shadow: var(--shadow-accent);
        }
        .btn-cta-sm:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        /* 分类导航行 */
        .header-nav-row {
            display: flex;
            align-items: center;
            height: var(--nav-row-height);
            border-top: 1px solid var(--color-border-light);
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
        }
        .header-nav-row::-webkit-scrollbar {
            display: none;
        }

        .nav-cat-link {
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 15px;
            border-radius: 17px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-light);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .nav-cat-link:hover {
            color: var(--color-accent-dark);
            background: var(--color-bg-alt);
        }
        .nav-cat-link.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-cat-link.active:hover {
            background: var(--color-primary-light);
            color: #fff;
        }
        .nav-cat-link:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .nav-hot-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            color: var(--color-accent-dark);
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
            padding: 0 8px;
            animation: pulse-tag 2.2s ease-in-out infinite;
        }
        @keyframes pulse-tag {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }
        .nav-hot-tag i {
            font-size: 0.65rem;
            color: var(--color-danger);
        }

        /* 移动端导航抽屉按钮 */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1.5px solid var(--color-border);
            background: var(--color-white);
            color: var(--color-text);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: var(--color-bg-alt);
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
        }

        /* ========== MAIN CONTENT ========== */
        .page-main {
            min-height: 60vh;
        }

        /* 板块间距 */
        .section-block {
            padding: 56px 0;
        }
        .section-block-sm {
            padding: 40px 0;
        }
        .section-block-lg {
            padding: 72px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            background: rgba(200, 155, 60, 0.08);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
            line-height: 1.35;
        }
        .section-title-sm {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 640px;
            line-height: 1.7;
        }

        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            position: relative;
            background: linear-gradient(170deg, #1a1a2e 0%, #1e1e3a 30%, #25254a 65%, #1a1a2e 100%);
            color: #fff;
            padding: 70px 0 64px;
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 1;
            pointer-events: none;
        }
        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-banner .container {
            position: relative;
            z-index: 3;
        }
        .hero-banner-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-banner-text {
            flex: 1 1 420px;
            min-width: 280px;
        }
        .hero-banner-text .section-label {
            background: rgba(200, 155, 60, 0.2);
            color: var(--color-accent-light);
        }
        .hero-banner-text h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            margin: 14px 0 16px;
            line-height: 1.25;
            color: #fff;
        }
        .hero-banner-text .hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.75;
            max-width: 560px;
            margin-bottom: 24px;
        }
        .hero-banner-visual {
            flex: 0 0 340px;
            min-width: 240px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-banner-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            max-width: 100%;
            border: 3px solid rgba(255, 255, 255, 0.15);
            transition: transform var(--transition-bounce);
        }
        .hero-banner-visual img:hover {
            transform: scale(1.03);
        }

        .btn-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-accent);
            text-decoration: none;
        }
        .btn-hero:hover {
            background: var(--color-accent-light);
            color: #1a1a2e;
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .btn-hero:active {
            transform: scale(0.96);
        }

        /* ========== 合作模式卡片 ========== */
        .coop-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .coop-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--color-accent-light);
        }
        .coop-card-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-size: 1.5rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-accent);
        }
        .coop-card h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
            letter-spacing: 0.02em;
        }
        .coop-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
            flex-grow: 1;
        }
        .coop-card .btn-outline-sm {
            align-self: flex-start;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1.5px solid var(--color-accent);
            color: var(--color-accent-dark);
            background: transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .coop-card .btn-outline-sm:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }

        /* ========== 合作伙伴展示 ========== */
        .partner-logo-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            align-items: center;
        }
        .partner-logo-item {
            flex: 0 0 auto;
            width: 140px;
            height: 80px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 14px;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
            font-weight: 700;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            letter-spacing: 0.04em;
        }
        .partner-logo-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
            transform: translateY(-3px);
            color: var(--color-accent-dark);
        }

        /* ========== 数据统计条 ========== */
        .stats-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: center;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .stat-item {
            text-align: center;
            flex: 1 1 150px;
            min-width: 120px;
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent-dark);
            letter-spacing: 0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== 案例卡片 ========== */
        .case-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--color-accent-light);
        }
        .case-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }
        .case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .case-card:hover .case-card-img img {
            transform: scale(1.06);
        }
        .case-card-body {
            padding: 20px 18px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .case-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
            letter-spacing: 0.02em;
        }
        .case-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }
        .case-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            background: rgba(200, 155, 60, 0.1);
            padding: 4px 12px;
            border-radius: 12px;
            align-self: flex-start;
        }

        /* ========== 流程时间线 ========== */
        .timeline-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
            justify-content: center;
        }
        .timeline-step {
            flex: 1 1 180px;
            min-width: 140px;
            text-align: center;
            position: relative;
            padding: 0 16px 20px;
        }
        .timeline-step::after {
            content: '';
            position: absolute;
            top: 32px;
            left: calc(50% + 40px);
            width: calc(100% - 80px);
            height: 3px;
            background: var(--color-border);
            border-radius: 2px;
            z-index: 0;
        }
        .timeline-step:last-child::after {
            display: none;
        }
        .timeline-dot {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-white);
            border: 3px solid var(--color-accent);
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
            font-size: 1.4rem;
            color: var(--color-accent-dark);
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-sm);
        }
        .timeline-step:hover .timeline-dot {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
            transform: scale(1.1);
        }
        .timeline-step h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 4px;
        }
        .timeline-step p {
            font-size: 0.84rem;
            color: var(--color-text-light);
            line-height: 1.55;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-white);
            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-accent-light);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            gap: 14px;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--color-bg-alt);
        }
        .faq-question i {
            flex-shrink: 0;
            color: var(--color-accent);
            transition: transform var(--transition-bounce);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 22px;
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #25254a 50%, #1a1a2e 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            border-radius: var(--radius-xl);
            margin: 40px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 1;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: 30px;
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-bounce);
            box-shadow: var(--shadow-accent);
            text-decoration: none;
        }
        .btn-cta-lg:hover {
            background: var(--color-accent-light);
            color: #1a1a2e;
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .btn-cta-lg:active {
            transform: scale(0.95);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #111122;
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 28px;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-banner-inner {
                flex-direction: column;
                text-align: center;
            }
            .hero-banner-text .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-banner-visual {
                flex: 0 0 auto;
                max-width: 300px;
                margin: 0 auto;
            }
            .hero-banner-text h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .timeline-flow {
                flex-direction: column;
                align-items: center;
                gap: 0;
            }
            .timeline-step {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 16px;
                padding-bottom: 20px;
            }
            .timeline-step::after {
                top: auto;
                left: 31px;
                bottom: -8px;
                width: 3px;
                height: 28px;
            }
            .timeline-dot {
                margin: 0;
                flex-shrink: 0;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            .timeline-step h4 {
                margin-top: 6px;
            }
            .stats-strip {
                gap: 16px;
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-top-row {
                gap: 10px;
            }
            .header-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .header-logo-icon {
                width: 30px;
                height: 30px;
                border-radius: 7px;
                font-size: 0.8rem;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-header-action {
                padding: 7px 12px;
                font-size: 0.78rem;
                border-radius: 18px;
            }
            .header-search-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-nav-row {
                gap: 2px;
                padding: 0 4px;
            }
            .nav-cat-link {
                padding: 0 11px;
                font-size: 0.8rem;
                height: 30px;
                border-radius: 15px;
            }
            .hero-banner {
                padding: 40px 0 36px;
            }
            .hero-banner-text h1 {
                font-size: 1.55rem;
            }
            .hero-banner-text .hero-desc {
                font-size: 0.9rem;
            }
            .hero-banner-visual {
                max-width: 200px;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-block-lg {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-title-sm {
                font-size: 1.25rem;
            }
            .coop-card {
                padding: 20px 16px;
            }
            .cta-section {
                padding: 36px 16px;
                border-radius: var(--radius-lg);
                margin: 20px 0;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .partner-logo-item {
                width: 100px;
                height: 60px;
                font-size: 0.75rem;
            }
            .stats-strip {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }
            .stat-item {
                flex: 0 0 auto;
            }
        }

        @media (max-width: 520px) {
            .header-logo {
                font-size: 1rem;
            }
            .btn-header-action {
                padding: 6px 10px;
                font-size: 0.72rem;
                border-radius: 16px;
            }
            .header-search-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .nav-cat-link {
                padding: 0 8px;
                font-size: 0.74rem;
                height: 26px;
                border-radius: 13px;
            }
            .hero-banner-text h1 {
                font-size: 1.3rem;
            }
            .hero-banner-visual {
                max-width: 150px;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .section-title-sm {
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .btn-hero,
            .btn-cta-lg {
                padding: 10px 20px;
                font-size: 0.9rem;
                border-radius: 22px;
            }
            .coop-card-icon {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
        }