/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1e40af;
            --primary-dark: #1e3a8a;
            --primary-light: #dbeafe;
            --secondary: #ea580c;
            --secondary-light: #fff7ed;
            --accent: #f59e0b;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --text-dark: #0f172a;
            --text-body: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-dark); }

        /* ===== 容器 ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 900px; }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 16px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.3px;
            line-height: 1.2;
        }
        .logo-text span { color: var(--primary); }
        .nav-tabs-wrap {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-body);
            border-radius: 40px;
            padding: 4px;
            border: 1px solid var(--border-color);
        }
        .nav-tab {
            padding: 8px 22px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-tab:hover { color: var(--text-body); background: rgba(30,64,175,0.06); }
        .nav-tab.active {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .nav-tab.active:hover { background: var(--primary-dark); color: #fff; }
        .header-cta {
            padding: 10px 28px;
            border-radius: 30px;
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .header-cta:hover { background: #d4520a; color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            background: var(--text-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.45;
            transform: scale(1.05);
            transition: transform 8s ease;
        }
        .hero:hover .hero-bg { transform: scale(1.0); }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(30,64,175,0.7) 50%, rgba(15,23,42,0.6) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            padding: 80px 0 100px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.18);
            border-radius: 40px;
            padding: 6px 18px;
            font-size: 14px;
            color: rgba(255,255,255,0.9);
            margin-bottom: 28px;
        }
        .hero-badge i { color: var(--accent); font-size: 12px; }
        .hero-title {
            font-size: clamp(2.6rem, 6vw, 4.2rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 24px;
        }
        .hero-title span { color: var(--accent); }
        .hero-sub {
            font-size: clamp(1.05rem, 1.8vw, 1.25rem);
            color: rgba(255,255,255,0.8);
            line-height: 1.8;
            max-width: 680px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            padding: 14px 36px;
            border-radius: 40px;
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            border: none;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary-custom:hover { background: #d4520a; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(234,88,12,0.35); }
        .btn-outline-custom {
            padding: 14px 36px;
            border-radius: 40px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            border: 2px solid rgba(255,255,255,0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-outline-custom:hover { border-color: #fff; background: rgba(255,255,255,0.08); color: #fff; }

        /* ===== 通用板块 ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-white); }
        .section-dark { background: var(--text-dark); color: rgba(255,255,255,0.85); }
        .section-dark h2, .section-dark h3 { color: #fff; }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(1.8rem, 3.2vw, 2.6rem);
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-dark .section-title { color: #fff; }
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
        }
        .section-dark .section-desc { color: rgba(255,255,255,0.7); }
        .section-head { margin-bottom: 48px; }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
        .card-custom .card-img-top { aspect-ratio: 16/9; object-fit: cover; width: 100%; }
        .card-custom .card-body { padding: 24px; }
        .card-custom .card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
        .card-custom .card-text { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; }
        .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 12px;
        }

        /* ===== 优势板块 ===== */
        .advantage-card {
            text-align: center;
            padding: 40px 28px;
            border-radius: var(--radius-md);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
        }
        .advantage-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
        .advantage-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin: 0 auto 20px;
            transition: var(--transition);
        }
        .advantage-card:hover .advantage-icon { background: var(--primary); color: #fff; }
        .advantage-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; }
        .advantage-card p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; }

        /* ===== 赛事卡片 ===== */
        .event-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            transition: var(--transition);
        }
        .event-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .event-card-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: transform 0.6s ease;
        }
        .event-card:hover .event-card-bg { transform: scale(1.08); }
        .event-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15,23,42,0.85) 0%, rgba(15,23,42,0.15) 70%);
        }
        .event-card-body {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            width: 100%;
        }
        .event-card-body h3 { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
        .event-card-body p { font-size: 0.9rem; color: rgba(255,255,255,0.75); margin-bottom: 12px; }
        .event-meta {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: rgba(255,255,255,0.6);
        }
        .event-meta i { margin-right: 4px; }

        /* ===== 资讯列表 ===== */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-item:last-child { border-bottom: none; }
        .news-item:hover { padding-left: 8px; }
        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-info { flex: 1; }
        .news-info h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; }
        .news-info h4 a { color: var(--text-dark); }
        .news-info h4 a:hover { color: var(--primary); }
        .news-excerpt { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 8px; }
        .news-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-light); }
        .news-meta .category { color: var(--primary); font-weight: 500; }

        /* ===== 装备推荐 ===== */
        .gear-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
        }
        .gear-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .gear-card img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
        .gear-body { padding: 20px 24px 24px; }
        .gear-body h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
        .gear-body .gear-label { font-size: 13px; color: var(--text-light); margin-bottom: 8px; }
        .gear-body .gear-price { font-size: 1.15rem; font-weight: 700; color: var(--secondary); }

        /* ===== 数据统计 ===== */
        .stat-item { text-align: center; padding: 28px 16px; }
        .stat-number {
            font-size: clamp(2.4rem, 4vw, 3.2rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .section-dark .stat-number { color: var(--accent); }
        .stat-label {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-top: 6px;
        }
        .section-dark .stat-label { color: rgba(255,255,255,0.7); }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
            background: var(--bg-white);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { color: var(--text-light); transition: var(--transition); font-size: 14px; }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255,255,255,0.04);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255,255,255,0.03);
        }
        .cta-section h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; color: #fff; margin-bottom: 16px; position: relative; }
        .cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 28px; position: relative; }
        .cta-section .btn-primary-custom { background: #fff; color: var(--primary); }
        .cta-section .btn-primary-custom:hover { background: var(--secondary); color: #fff; box-shadow: 0 8px 30px rgba(234,88,12,0.4); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--text-dark);
            color: rgba(255,255,255,0.7);
            padding: 56px 0 32px;
        }
        .footer-brand { margin-bottom: 24px; }
        .footer-brand .logo-text { color: #fff; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); margin-top: 12px; max-width: 320px; line-height: 1.8; }
        .footer-links h5 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
        .footer-links ul li { margin-bottom: 10px; }
        .footer-links ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
        .footer-links ul li a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: #fff; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .header-inner { flex-wrap: wrap; }
            .nav-tabs-wrap { order: 3; width: 100%; justify-content: center; overflow-x: auto; }
            .header-cta { display: none; }
            .section { padding: 60px 0; }
            .cta-section { padding: 48px 28px; }
        }
        @media (max-width: 767px) {
            .header-inner { padding: 10px 0; }
            .logo-text { font-size: 18px; }
            .nav-tab { padding: 6px 16px; font-size: 14px; }
            .hero { min-height: 70vh; }
            .hero-content { padding: 60px 0 70px; }
            .hero-actions { flex-direction: column; }
            .btn-primary-custom, .btn-outline-custom { width: 100%; justify-content: center; }
            .news-item { flex-direction: column; }
            .news-thumb { width: 100%; height: 160px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .stat-item { padding: 16px 8px; }
            .event-card { min-height: 220px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .section { padding: 40px 0; }
            .nav-tabs-wrap { gap: 2px; }
            .nav-tab { padding: 5px 12px; font-size: 13px; }
            .hero-title { font-size: 2rem; }
            .hero-sub { font-size: 1rem; }
            .section-title { font-size: 1.5rem; }
            .advantage-card { padding: 28px 18px; }
            .cta-section { padding: 36px 20px; }
            .cta-section h2 { font-size: 1.5rem; }
        }

        /* ===== 辅助 ===== */
        .text-accent { color: var(--accent); }
        .text-primary-custom { color: var(--primary); }
        .gap-2 { gap: 8px; }
        .gap-3 { gap: 16px; }
        .gap-4 { gap: 24px; }
        .mb-1 { margin-bottom: 4px; }
        .mb-2 { margin-bottom: 8px; }
        .mb-3 { margin-bottom: 16px; }
        .mb-4 { margin-bottom: 24px; }
        .mb-5 { margin-bottom: 32px; }
        .mb-6 { margin-bottom: 48px; }
        .mt-3 { margin-top: 16px; }
        .mt-4 { margin-top: 24px; }
        .mt-5 { margin-top: 32px; }
        .fw-700 { font-weight: 700; }
        .fw-600 { font-weight: 600; }
        .text-center { text-align: center; }
        .rounded-full { border-radius: 999px; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --accent: #e85d3a;
            --accent-light: #f07a5a;
            --accent-dark: #c94426;
            --bg-white: #ffffff;
            --bg-light: #f6f8fc;
            --bg-dark: #0f1a2e;
            --text-dark: #1a1a2e;
            --text-body: #3d3d5c;
            --text-muted: #7a7a9a;
            --border-light: #e8ecf4;
            --border-color: #d6dce8;
            --shadow-sm: 0 2px 12px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 32px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 42, 108, 0.14);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            color: var(--text-body);
            background: var(--bg-white);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.92);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .logo-text span {
            color: var(--accent);
        }

        .nav-tabs-wrap {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-light);
            padding: 4px;
            border-radius: 40px;
            border: 1px solid var(--border-light);
        }

        .nav-tab {
            padding: 8px 22px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-body);
            background: transparent;
            border: none;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-tab:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.06);
        }
        .nav-tab.active {
            color: var(--bg-white);
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(26, 42, 108, 0.25);
        }
        .nav-tab.active:hover {
            color: var(--bg-white);
            background: var(--primary-light);
        }

        .header-cta {
            background: var(--accent);
            color: #fff;
            padding: 10px 28px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .header-cta:hover,
        .header-cta:focus {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 93, 58, 0.35);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            padding: 4px 8px;
        }

        /* ===== Hero 区域 ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-white), transparent);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            padding: 8px 22px;
            border-radius: 40px;
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 28px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-badge i {
            color: var(--accent-light);
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .category-hero h1 span {
            color: var(--accent-light);
        }
        .category-hero .lead {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 720px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: #fff;
            padding: 14px 38px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary:hover,
        .btn-hero-primary:focus {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(232, 93, 58, 0.4);
        }
        .btn-hero-outline {
            background: transparent;
            color: #fff;
            padding: 14px 38px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-outline:hover,
        .btn-hero-outline:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 90px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .bg-light-section {
            background: var(--bg-light);
        }
        .bg-dark-section {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
        }
        .bg-dark-section .section-title {
            color: #fff;
        }
        .bg-dark-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== 卖点卡片 ===== */
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: #fff;
        }
        .feature-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== 赛事分类卡片 ===== */
        .event-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .event-card-img {
            height: 200px;
            background: var(--bg-light);
            overflow: hidden;
        }
        .event-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .event-card:hover .event-card-img img {
            transform: scale(1.06);
        }
        .event-card-body {
            padding: 24px 22px 26px;
        }
        .event-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--primary);
            margin-bottom: 12px;
        }
        .event-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .event-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .event-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .event-meta i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ===== 流程/步骤 ===== */
        .step-card {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }
        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 24px rgba(232, 93, 58, 0.25);
        }
        .step-card h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        .step-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 0;
        }
        .step-arrow {
            display: none;
        }
        @media (min-width: 768px) {
            .step-arrow {
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 1.6rem;
                color: var(--accent);
                opacity: 0.4;
                position: absolute;
                right: -20px;
                top: 50%;
                transform: translateY(-50%);
            }
        }

        /* ===== 数据/统计 ===== */
        .stat-item {
            text-align: center;
            padding: 32px 16px;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            color: var(--text-muted);
            font-size: 1rem;
            font-weight: 600;
        }
        .bg-dark-section .stat-number {
            color: #fff;
        }
        .bg-dark-section .stat-label {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--accent);
            font-size: 0.9rem;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
            max-width: 580px;
            margin: 0 auto 32px;
            position: relative;
        }
        .btn-cta {
            background: var(--accent);
            color: #fff;
            padding: 16px 44px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 12px;
            position: relative;
        }
        .btn-cta:hover,
        .btn-cta:focus {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(232, 93, 58, 0.4);
        }

        /* ===== 适用场景 ===== */
        .scene-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .scene-card .scene-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .scene-card h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        .scene-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 0;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
        }
        .site-footer .footer-brand .logo-text {
            color: #fff;
            font-size: 1.5rem;
            display: block;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            transition: color var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            transition: all var(--transition);
            font-size: 1.1rem;
        }
        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .category-hero h1 {
                font-size: 2.6rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .header-inner {
                padding: 12px 0;
            }
            .nav-tabs-wrap {
                gap: 4px;
                padding: 3px;
            }
            .nav-tab {
                padding: 6px 16px;
                font-size: 0.85rem;
            }
            .header-cta {
                padding: 8px 20px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-tabs-wrap {
                display: none;
                position: absolute;
                top: 100%;
                left: 12px;
                right: 12px;
                background: var(--bg-white);
                border-radius: var(--radius-md);
                padding: 12px;
                flex-direction: column;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border-light);
            }
            .nav-tabs-wrap.open {
                display: flex;
            }
            .nav-tab {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
            }
            .header-cta {
                display: none;
            }
            .category-hero {
                padding: 70px 0 60px;
                min-height: 400px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero .lead {
                font-size: 1rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 32px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            .stat-number {
                font-size: 2.4rem;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero {
                padding: 50px 0 50px;
                min-height: 340px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .feature-card,
            .scene-card {
                padding: 24px 18px;
            }
            .event-card-body {
                padding: 18px 16px 20px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 16px 16px;
                font-size: 0.88rem;
            }
            .logo-text {
                font-size: 1.2rem;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
        }

        /* ===== 辅助 ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-accent-soft {
            background: rgba(232, 93, 58, 0.06);
        }
        .rounded-xl {
            border-radius: var(--radius-xl);
        }
        .shadow-hover {
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .shadow-hover:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .gap-3 {
            gap: 12px;
        }
        .gap-4 {
            gap: 20px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-2 {
            margin-top: 8px;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1a2e;
            --primary-light: #1a2d4a;
            --secondary: #f56a2a;
            --accent: #e85d1a;
            --success: #2ecc71;
            --info: #3498db;
            --bg-light: #f4f6f9;
            --bg-white: #ffffff;
            --text-dark: #1e293b;
            --text-body: #334155;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --border-light: #f1f5f9;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul { list-style: none; padding: 0; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); font-weight: 700; line-height: 1.3; }

        /* ===== Container ===== */
        .container { max-width: 1200px; padding: 0 24px; margin: 0 auto; width: 100%; }

        /* ===== Navigation (Tab Style) ===== */
        .site-header {
            background: var(--primary);
            padding: 0 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            box-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            padding-top: 0;
            padding-bottom: 0;
            min-height: 68px;
        }
        .logo-text {
            font-size: 1.45rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo-text span { color: var(--secondary); }
        .nav-tabs-wrap {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(255,255,255,0.06);
            padding: 4px;
            border-radius: var(--radius-lg);
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-tabs-wrap::-webkit-scrollbar { display: none; }
        .nav-tab {
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 600;
            color: rgba(255,255,255,0.7);
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .nav-tab:hover {
            color: #fff;
            background: rgba(255,255,255,0.1);
        }
        .nav-tab.active {
            background: var(--secondary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245,106,42,0.35);
        }
        .nav-cta-btn {
            background: var(--secondary);
            color: #fff;
            padding: 10px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            border: none;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(245,106,42,0.3);
        }
        .nav-cta-btn:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245,106,42,0.4);
        }
        .header-mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px 8px;
        }
        @media (max-width: 768px) {
            .site-header .container { min-height: 60px; }
            .header-mobile-toggle { display: block; }
            .nav-tabs-wrap {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: var(--primary-light);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
            }
            .nav-tabs-wrap.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-tab {
                padding: 12px 20px;
                font-size: 1rem;
                text-align: center;
            }
            .nav-cta-btn { display: none; }
        }

        /* ===== Hero / Article Banner ===== */
        .article-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--primary) 0%, #162d50 100%);
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
        }
        .article-hero .breadcrumb-custom a { color: rgba(255,255,255,0.7); }
        .article-hero .breadcrumb-custom a:hover { color: #fff; }
        .article-hero .breadcrumb-custom span { color: rgba(255,255,255,0.5); }
        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 3rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            max-width: 900px;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            align-items: center;
            margin-top: 8px;
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        .article-meta-item i { color: var(--secondary); font-size: 0.85rem; }
        .article-meta-item .badge-cat {
            background: var(--secondary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 60px 0 80px;
            background: var(--bg-light);
        }
        .article-content-wrap {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px 56px;
            max-width: 880px;
            margin: 0 auto;
        }
        .article-featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 36px;
            box-shadow: var(--shadow-sm);
        }
        .article-featured-image img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-body p {
            margin-bottom: 1.25em;
        }
        .article-body h2, .article-body h3, .article-body h4 {
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            color: var(--text-dark);
        }
        .article-body h2 { font-size: 1.6rem; }
        .article-body h3 { font-size: 1.3rem; }
        .article-body h4 { font-size: 1.1rem; }
        .article-body ul, .article-body ol { margin-bottom: 1.25em; padding-left: 1.5em; }
        .article-body li { margin-bottom: 0.4em; }
        .article-body img { border-radius: var(--radius-sm); margin: 1.5em 0; }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            padding: 16px 24px;
            margin: 1.5em 0;
            background: var(--bg-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-dark);
            font-style: italic;
        }
        .article-body code {
            background: #f1f5f9;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
            color: #d63384;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
        }
        .article-body th, .article-body td {
            border: 1px solid var(--border-color);
            padding: 10px 16px;
            text-align: left;
        }
        .article-body th { background: var(--bg-light); font-weight: 600; }
        .article-body a { color: var(--secondary); text-decoration: underline; }
        .article-body a:hover { color: var(--accent); }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found .icon-empty {
            font-size: 4rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .article-not-found h3 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-white);
        }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .related-section .section-sub {
            color: var(--text-muted);
            margin-bottom: 40px;
        }
        .related-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            border: 1px solid var(--border-color);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .related-card .card-img {
            height: 200px;
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body {
            padding: 20px 24px 24px;
        }
        .related-card .card-body .card-tag {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .related-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: var(--bg-light);
        }
        .faq-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 8px;
        }
        .faq-section .section-sub {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: 40px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-dark);
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i { color: var(--secondary); transition: var(--transition); font-size: 0.9rem; }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.7);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-cta {
            background: var(--secondary);
            color: #fff;
            padding: 14px 40px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(245,106,42,0.35);
            display: inline-block;
        }
        .cta-section .btn-cta:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(245,106,42,0.45);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand .logo-text { font-size: 1.5rem; }
        .footer-brand p { font-size: 0.9rem; margin-top: 12px; color: rgba(255,255,255,0.5); max-width: 360px; }
        .footer-links h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-links ul li { margin-bottom: 10px; }
        .footer-links ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
        }
        .footer-links ul li a:hover { color: var(--secondary); transform: translateX(4px); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 24px 0;
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.6);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--secondary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Responsive Fine-tune ===== */
        @media (max-width: 992px) {
            .article-content-wrap { padding: 32px 28px; }
            .article-hero { padding: 80px 0 60px; min-height: 300px; }
        }
        @media (max-width: 768px) {
            .article-content-wrap { padding: 24px 20px; border-radius: var(--radius-md); }
            .article-hero { padding: 60px 0 40px; min-height: 240px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-meta { gap: 10px 16px; }
            .related-card .card-img { height: 160px; }
            .cta-section { padding: 60px 0; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-social { justify-content: center; }
        }
        @media (max-width: 520px) {
            .article-content-wrap { padding: 16px 12px; }
            .article-hero h1 { font-size: 1.4rem; }
            .article-body { font-size: 0.98rem; }
            .nav-tab { padding: 6px 14px; font-size: 0.8rem; }
            .logo-text { font-size: 1.2rem; }
        }

        /* ===== Utility ===== */
        .text-secondary-custom { color: var(--secondary); }
        .bg-secondary-custom { background: var(--secondary); }
        .rounded-full { border-radius: 100px; }
        .shadow-hover { transition: var(--transition); }
        .shadow-hover:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .gap-2 { gap: 8px; }
        .mt-1 { margin-top: 4px; }
