/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0B1A3A;
            --primary-light: #1B2D5E;
            --primary-dark: #070F24;
            --accent: #D4A843;
            --accent-light: #E8C56A;
            --accent-dark: #B8922E;
            --danger: #E63946;
            --success: #2A9D8F;
            --info: #4A90D9;
            --bg-body: #F8F9FC;
            --bg-card: #FFFFFF;
            --bg-dark: #0B1A3A;
            --bg-muted: #F0F2F8;
            --text-primary: #0B1A3A;
            --text-body: #2D3748;
            --text-muted: #6B7A8F;
            --text-light: #A0AEC0;
            --text-white: #FFFFFF;
            --border-color: #E2E8F0;
            --border-light: #F0F2F8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(11,26,58,0.06);
            --shadow-md: 0 8px 24px rgba(11,26,58,0.10);
            --shadow-lg: 0 20px 48px rgba(11,26,58,0.14);
            --shadow-xl: 0 32px 64px rgba(11,26,58,0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-top-h: 56px;
            --header-nav-h: 48px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 700; line-height: 1.3; }

        /* ===== 容器 ===== */
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 20px; width: 100%; }

        /* ===== 双层导航 ===== */
        .site-header {
            position: sticky; top: 0; z-index: 1050;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-color);
        }
        .header-top {
            display: flex; align-items: center; justify-content: space-between;
            height: var(--header-top-h); padding: 0 20px;
            max-width: var(--container-max); margin: 0 auto;
        }
        .header-top .logo {
            font-size: 22px; font-weight: 800; color: var(--primary);
            letter-spacing: -0.5px; display: flex; align-items: center; gap: 10px;
        }
        .header-top .logo i { color: var(--accent); font-size: 26px; }
        .header-top .logo span { color: var(--accent); }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .header-actions .search-box {
            display: flex; align-items: center;
            background: var(--bg-muted); border-radius: 50px;
            padding: 0 16px; height: 36px; width: 200px;
            border: 1px solid var(--border-color); transition: var(--transition);
        }
        .header-actions .search-box:focus-within {
            border-color: var(--accent); box-shadow: 0 0 0 3px rgba(212,168,67,0.15);
        }
        .header-actions .search-box input {
            border: none; background: transparent; outline: none;
            width: 100%; font-size: 14px; color: var(--text-body);
        }
        .header-actions .search-box input::placeholder { color: var(--text-light); }
        .header-actions .search-box i { color: var(--text-muted); font-size: 14px; margin-right: 8px; }
        .header-actions .btn-cta {
            background: var(--accent); color: var(--primary-dark); border: none;
            padding: 6px 20px; border-radius: 50px; font-weight: 600; font-size: 14px;
            transition: var(--transition); white-space: nowrap;
        }
        .header-actions .btn-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
        .header-actions .btn-cta:active { transform: translateY(0); }

        .header-nav {
            background: var(--primary); border-top: 1px solid rgba(255,255,255,0.08);
        }
        .header-nav .nav-inner {
            display: flex; align-items: center; gap: 4px;
            max-width: var(--container-max); margin: 0 auto;
            padding: 0 20px; height: var(--header-nav-h);
            overflow-x: auto; overflow-y: hidden;
            scrollbar-width: none; -ms-overflow-style: none;
        }
        .header-nav .nav-inner::-webkit-scrollbar { display: none; }
        .header-nav .nav-link {
            color: rgba(255,255,255,0.75); font-size: 14px; font-weight: 500;
            padding: 6px 20px; border-radius: 50px; white-space: nowrap;
            transition: var(--transition); position: relative;
        }
        .header-nav .nav-link:hover { color: #fff; background: rgba(255,255,255,0.10); }
        .header-nav .nav-link.active { color: var(--primary); background: var(--accent); font-weight: 600; }
        .header-nav .nav-link i { margin-right: 6px; font-size: 13px; }

        /* 移动端菜单触发 */
        .mobile-toggle { display: none; background: none; border: none; color: var(--primary); font-size: 24px; cursor: pointer; padding: 4px; }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 520px; display: flex; align-items: center;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover; background-position: center; background-blend-mode: overlay;
            overflow: hidden;
        }
        .hero::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(11,26,58,0.88) 0%, rgba(11,26,58,0.60) 100%);
        }
        .hero .container { position: relative; z-index: 2; padding: 80px 20px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(212,168,67,0.20); color: var(--accent-light);
            padding: 6px 18px; border-radius: 50px; font-size: 13px; font-weight: 500;
            border: 1px solid rgba(212,168,67,0.30); margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 48px; font-weight: 800; color: #fff;
            max-width: 700px; margin-bottom: 16px; line-height: 1.2;
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            font-size: 18px; color: rgba(255,255,255,0.80);
            max-width: 560px; margin-bottom: 32px; line-height: 1.6;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
        .hero-actions .btn-primary-custom {
            background: var(--accent); color: var(--primary-dark); border: none;
            padding: 14px 36px; border-radius: 50px; font-weight: 700; font-size: 16px;
            transition: var(--transition); display: inline-flex; align-items: center; gap: 10px;
        }
        .hero-actions .btn-primary-custom:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .hero-actions .btn-outline-custom {
            background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.30);
            padding: 12px 32px; border-radius: 50px; font-weight: 600; font-size: 16px;
            transition: var(--transition); display: inline-flex; align-items: center; gap: 10px;
        }
        .hero-actions .btn-outline-custom:hover { border-color: var(--accent); color: var(--accent); background: rgba(212,168,67,0.10); }

        /* ===== 板块通用 ===== */
        .section { padding: 80px 0; }
        .section-title { font-size: 32px; font-weight: 800; margin-bottom: 12px; text-align: center; }
        .section-subtitle { font-size: 16px; color: var(--text-muted); text-align: center; max-width: 640px; margin: 0 auto 48px; }
        .section.bg-muted { background: var(--bg-muted); }
        .section.bg-dark { background: var(--bg-dark); color: #fff; }
        .section.bg-dark .section-title { color: #fff; }
        .section.bg-dark .section-subtitle { color: rgba(255,255,255,0.65); }

        /* ===== 卡片 ===== */
        .card-custom {
            background: var(--bg-card); border: 1px solid var(--border-color);
            border-radius: var(--radius-md); overflow: hidden;
            transition: var(--transition); height: 100%;
        }
        .card-custom:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
        .card-custom .card-img {
            width: 100%; height: 200px; object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .card-custom .card-body { padding: 20px 24px 24px; }
        .card-custom .card-tag {
            display: inline-block; background: rgba(212,168,67,0.12); color: var(--accent-dark);
            padding: 2px 12px; border-radius: 50px; font-size: 12px; font-weight: 600;
            margin-bottom: 10px;
        }
        .card-custom .card-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
        .card-custom .card-text { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
        .card-custom .card-footer-link {
            display: inline-flex; align-items: center; gap: 6px;
            font-size: 14px; font-weight: 600; color: var(--primary); margin-top: 12px;
        }
        .card-custom .card-footer-link:hover { color: var(--accent); gap: 10px; }

        /* ===== 分类入口卡片 ===== */
        .cat-card {
            text-align: center; background: var(--bg-card); border: 1px solid var(--border-color);
            border-radius: var(--radius-lg); padding: 32px 20px 28px;
            transition: var(--transition); height: 100%; cursor: pointer;
        }
        .cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
        .cat-card .icon-wrap {
            width: 64px; height: 64px; margin: 0 auto 16px;
            background: var(--bg-muted); border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 28px; color: var(--accent); transition: var(--transition);
        }
        .cat-card:hover .icon-wrap { background: var(--accent); color: #fff; }
        .cat-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
        .cat-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 0; }

        /* ===== 数据统计 ===== */
        .stat-item { text-align: center; padding: 24px 16px; }
        .stat-item .num { font-size: 40px; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .stat-item .label { font-size: 15px; color: rgba(255,255,255,0.75); margin-top: 4px; }

        /* ===== 流程步骤 ===== */
        .step-card { text-align: center; position: relative; padding: 24px 16px; }
        .step-card .step-num {
            width: 44px; height: 44px; margin: 0 auto 16px;
            background: var(--accent); color: var(--primary-dark);
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            font-size: 18px; font-weight: 800;
        }
        .step-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
        .step-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-color); border-radius: var(--radius-md);
            margin-bottom: 12px; overflow: hidden; background: var(--bg-card);
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); }
        .faq-item .faq-q {
            padding: 18px 24px; font-weight: 600; font-size: 16px;
            display: flex; justify-content: space-between; align-items: center;
            cursor: pointer; color: var(--text-primary); background: transparent;
            border: none; width: 100%; text-align: left; transition: var(--transition);
        }
        .faq-item .faq-q:hover { color: var(--accent); }
        .faq-item .faq-q i { transition: var(--transition); font-size: 14px; color: var(--text-muted); }
        .faq-item.active .faq-q i { transform: rotate(180deg); color: var(--accent); }
        .faq-item .faq-a {
            padding: 0 24px 18px; font-size: 15px; color: var(--text-muted);
            line-height: 1.7; display: none;
        }
        .faq-item.active .faq-a { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary); position: relative; overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover; background-position: center; background-blend-mode: overlay;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(11,26,58,0.90) 0%, rgba(11,26,58,0.70) 100%);
        }
        .cta-section .container { position: relative; z-index: 2; text-align: center; padding: 80px 20px; }
        .cta-section h2 { font-size: 36px; font-weight: 800; color: #fff; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.75); font-size: 18px; max-width: 560px; margin: 0 auto 32px; }
        .cta-section .btn-cta-large {
            background: var(--accent); color: var(--primary-dark); border: none;
            padding: 16px 48px; border-radius: 50px; font-weight: 700; font-size: 18px;
            transition: var(--transition); display: inline-flex; align-items: center; gap: 12px;
        }
        .cta-section .btn-cta-large:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-lg); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark); color: rgba(255,255,255,0.70);
            padding: 48px 0 24px;
        }
        .site-footer .footer-brand { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 8px; }
        .site-footer .footer-brand i { color: var(--accent); margin-right: 8px; }
        .site-footer .footer-desc { font-size: 14px; max-width: 320px; margin-bottom: 20px; color: rgba(255,255,255,0.55); }
        .site-footer .footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 16px; }
        .site-footer .footer-links a { color: rgba(255,255,255,0.60); font-size: 14px; }
        .site-footer .footer-links a:hover { color: var(--accent); }
        .site-footer .footer-divider {
            border-color: rgba(255,255,255,0.08); margin: 20px 0;
        }
        .site-footer .footer-copy { font-size: 13px; color: rgba(255,255,255,0.40); }
        .site-footer .footer-copy a { color: rgba(255,255,255,0.50); }

        /* ===== 内容列表 ===== */
        .content-list-item {
            display: flex; gap: 20px; padding: 20px 0;
            border-bottom: 1px solid var(--border-light); align-items: flex-start;
        }
        .content-list-item:last-child { border-bottom: none; }
        .content-list-item .list-img {
            width: 100px; height: 72px; border-radius: var(--radius-sm);
            object-fit: cover; flex-shrink: 0;
        }
        .content-list-item .list-info { flex: 1; min-width: 0; }
        .content-list-item .list-title { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
        .content-list-item .list-title a { color: var(--text-primary); }
        .content-list-item .list-title a:hover { color: var(--accent); }
        .content-list-item .list-meta { font-size: 13px; color: var(--text-light); display: flex; gap: 16px; flex-wrap: wrap; }
        .content-list-item .list-meta .category { color: var(--accent-dark); font-weight: 500; }
        .content-list-item .list-desc { font-size: 14px; color: var(--text-muted); margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 38px; }
            .section { padding: 60px 0; }
            .header-actions .search-box { width: 160px; }
        }
        @media (max-width: 768px) {
            .header-top { height: auto; padding: 12px 16px; flex-wrap: wrap; gap: 10px; }
            .header-actions .search-box { width: 100%; order: 3; }
            .mobile-toggle { display: block; }
            .header-nav .nav-inner { padding: 0 12px; gap: 2px; }
            .header-nav .nav-link { padding: 6px 14px; font-size: 13px; }
            .hero { min-height: 400px; }
            .hero h1 { font-size: 30px; }
            .hero p { font-size: 16px; }
            .hero .container { padding: 60px 16px; }
            .section-title { font-size: 26px; }
            .section-subtitle { font-size: 15px; margin-bottom: 32px; }
            .stat-item .num { font-size: 32px; }
            .cta-section h2 { font-size: 28px; }
            .content-list-item { flex-direction: column; gap: 12px; }
            .content-list-item .list-img { width: 100%; height: 160px; }
            .site-footer { padding: 32px 0 16px; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 24px; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn-primary-custom, .hero-actions .btn-outline-custom { width: 100%; justify-content: center; }
            .section { padding: 40px 0; }
            .section-title { font-size: 22px; }
            .card-custom .card-img { height: 160px; }
            .header-top .logo { font-size: 18px; }
            .header-actions .btn-cta { padding: 4px 14px; font-size: 13px; }
        }

        /* ===== 辅助 ===== */
        .gap-4 { gap: 1.5rem; }
        .mb-2 { margin-bottom: 0.5rem; }
        .mb-3 { margin-bottom: 1rem; }
        .mb-4 { margin-bottom: 1.5rem; }
        .mb-5 { margin-bottom: 2.5rem; }
        .mt-3 { margin-top: 1rem; }
        .mt-4 { margin-top: 1.5rem; }
        .text-center { text-align: center; }
        .text-accent { color: var(--accent); }
        .fw-700 { font-weight: 700; }
        .rounded-pill { border-radius: 50px; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2d4a7a;
            --accent: #f4a261;
            --bg-body: #f8f9fa;
            --bg-card: #ffffff;
            --bg-dark: #0d1b2a;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aa0;
            --border-color: #e8e8f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.10);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 120px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            padding-top: var(--header-height);
            font-size: 16px;
        }

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

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

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

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
            margin: 0 auto;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            width: 100%;
            gap: 16px;
        }

        .logo {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: -0.5px;
        }
        .logo i {
            color: var(--primary);
            font-size: 28px;
        }
        .logo span {
            color: var(--primary);
        }
        .logo:hover {
            color: var(--text-primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 6px 16px;
            gap: 8px;
            transition: var(--transition);
            width: 200px;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 14px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            padding: 6px 0;
            width: 100%;
            font-size: 14px;
            color: var(--text-primary);
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .btn-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.30);
        }
        .btn-cta:active {
            transform: translateY(0);
        }
        .btn-cta:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
            padding: 4px 8px;
            cursor: pointer;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            color: var(--primary);
        }

        /* 导航频道行 */
        .header-nav {
            border-top: 1px solid var(--border-color);
            background: rgba(255, 255, 255, 0.80);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 6px 24px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }
        .nav-inner::-webkit-scrollbar {
            height: 3px;
        }
        .nav-inner::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
            letter-spacing: 0.2px;
            text-decoration: none;
        }
        .nav-link i {
            font-size: 14px;
        }
        .nav-link:hover {
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.25);
        }
        .nav-link.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-link:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            body {
                padding-top: 100px;
            }
            .header-top {
                padding: 10px 16px;
                flex-wrap: wrap;
            }
            .logo {
                font-size: 20px;
            }
            .logo i {
                font-size: 22px;
            }
            .search-box {
                width: 140px;
                padding: 4px 12px;
            }
            .search-box input {
                font-size: 13px;
            }
            .btn-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .btn-cta span {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-nav {
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease, opacity 0.3s ease;
                opacity: 0;
                border-top: none;
            }
            .header-nav.open {
                max-height: 200px;
                opacity: 1;
                border-top: 1px solid var(--border-color);
            }
            .nav-inner {
                flex-direction: column;
                align-items: stretch;
                padding: 8px 16px;
                gap: 2px;
            }
            .nav-link {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                justify-content: flex-start;
            }
        }

        @media (max-width: 520px) {
            body {
                padding-top: 90px;
            }
            .header-top {
                padding: 8px 12px;
                gap: 8px;
            }
            .logo {
                font-size: 17px;
            }
            .logo i {
                font-size: 18px;
            }
            .search-box {
                width: 100px;
                padding: 3px 10px;
            }
            .search-box input {
                font-size: 12px;
            }
            .btn-cta {
                padding: 6px 12px;
                font-size: 12px;
            }
            .btn-cta i {
                font-size: 12px;
            }
        }

        @media (min-width: 769px) {
            .header-nav {
                display: block !important;
                max-height: none !important;
                opacity: 1 !important;
            }
        }

        /* ===== Page Hero / Banner ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            padding: 80px 0 60px;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 40%, rgba(230, 57, 70, 0.15), transparent 60%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .page-hero h1 i {
            color: var(--primary-light);
            margin-right: 10px;
        }
        .page-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.80);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.70);
            text-decoration: none;
            transition: var(--transition);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: #fff;
        }
        .page-hero .breadcrumb-custom span {
            color: var(--primary-light);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 50px 0 40px;
                min-height: 240px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero p {
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero p {
                font-size: 14px;
            }
            .page-hero .breadcrumb-custom {
                font-size: 12px;
            }
        }

        /* ===== 分类介绍区 ===== */
        .section-intro {
            padding: 60px 0 40px;
        }
        .section-intro .lead {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 800px;
            line-height: 1.8;
        }
        .section-intro .lead strong {
            color: var(--primary);
        }

        @media (max-width: 768px) {
            .section-intro {
                padding: 40px 0 24px;
            }
            .section-intro .lead {
                font-size: 16px;
            }
        }

        /* ===== 分类卡片网格 ===== */
        .section-categories {
            padding: 20px 0 60px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .category-card .card-img {
            height: 200px;
            background: var(--secondary);
            position: relative;
            overflow: hidden;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .category-card:hover .card-img img {
            transform: scale(1.06);
        }
        .category-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(13, 27, 42, 0.50) 0%, transparent 60%);
        }
        .category-card .card-img .badge-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.30);
        }
        .category-card .card-body {
            padding: 24px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .category-card .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .category-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }
        .category-card .card-body .card-meta i {
            margin-right: 4px;
        }
        .category-card .card-body .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            padding: 8px 20px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 13px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            margin-top: 4px;
        }
        .category-card .card-body .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .category-card .card-img {
                height: 160px;
            }
            .category-card .card-body {
                padding: 18px 16px 16px;
            }
            .category-card .card-body h3 {
                font-size: 18px;
            }
        }

        /* ===== 赛事数据 / 统计 ===== */
        .section-stats {
            background: var(--bg-dark);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .section-stats::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .section-stats .container {
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }
        .stat-item .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .stat-item .stat-number i {
            color: var(--primary-light);
            font-size: 32px;
            margin-right: 6px;
        }
        .stat-item .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 8px;
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .section-stats {
                padding: 40px 0;
            }
            .stat-item .stat-number {
                font-size: 34px;
            }
            .stat-item .stat-label {
                font-size: 13px;
            }
        }

        /* ===== 赛事规则 / 内容列表 ===== */
        .section-rules {
            padding: 60px 0;
            background: var(--bg-body);
        }
        .section-rules .section-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .section-rules .section-sub {
            color: var(--text-muted);
            margin-bottom: 36px;
            font-size: 16px;
        }
        .rule-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .rule-item:last-child {
            border-bottom: none;
        }
        .rule-item .rule-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(230, 57, 70, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .rule-item .rule-content h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .rule-item .rule-content p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }
        .rule-item .rule-content .rule-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.06);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .section-rules {
                padding: 40px 0;
            }
            .section-rules .section-title {
                font-size: 26px;
            }
            .rule-item {
                gap: 14px;
                padding: 16px 0;
            }
            .rule-item .rule-icon {
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
            .rule-item .rule-content h4 {
                font-size: 16px;
            }
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: 60px 0;
            background: var(--bg-card);
        }
        .section-faq .section-title {
            font-size: 32px;
            font-weight: 800;
            text-align: center;
            margin-bottom: 8px;
        }
        .section-faq .section-sub {
            text-align: center;
            color: var(--text-muted);
            margin-bottom: 36px;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
            background: var(--bg-body);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            transition: var(--transition);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            transition: transform 0.3s ease;
            color: var(--text-muted);
            font-size: 14px;
            flex-shrink: 0;
        }
        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: 0;
        }

        @media (max-width: 768px) {
            .section-faq {
                padding: 40px 0;
            }
            .section-faq .section-title {
                font-size: 26px;
            }
            .faq-item .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 13px;
            }
        }

        /* ===== CTA ===== */
        .section-cta {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            position: relative;
            overflow: hidden;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .section-cta .container {
            position: relative;
            z-index: 1;
        }
        .section-cta h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .section-cta p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .section-cta .btn-cta-large {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 16px 44px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 17px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .section-cta .btn-cta-large:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.35);
        }
        .section-cta .btn-cta-large:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .section-cta {
                padding: 40px 0;
            }
            .section-cta h2 {
                font-size: 28px;
            }
            .section-cta p {
                font-size: 15px;
            }
            .section-cta .btn-cta-large {
                padding: 14px 32px;
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            .section-cta h2 {
                font-size: 22px;
            }
            .section-cta .btn-cta-large {
                padding: 12px 24px;
                font-size: 14px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a0f1a;
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 32px;
            border-top: 3px solid var(--primary);
        }
        .site-footer .footer-brand {
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            color: #fff;
        }
        .site-footer .footer-brand i {
            color: var(--primary);
        }
        .site-footer .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            max-width: 400px;
            margin-bottom: 0;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
            margin-bottom: 16px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-links a:hover {
            color: var(--primary-light);
        }
        .site-footer .footer-divider {
            border-color: rgba(255, 255, 255, 0.08);
            margin: 24px 0 16px;
        }
        .site-footer .footer-copy {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.3px;
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 36px 0 24px;
            }
            .site-footer .footer-brand {
                font-size: 18px;
            }
            .site-footer .footer-desc {
                font-size: 13px;
            }
            .site-footer .footer-links a {
                font-size: 13px;
            }
        }

        /* ===== 通用辅助 ===== */
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .bg-primary-soft {
            background: rgba(230, 57, 70, 0.06);
        }
        .section-padding {
            padding: 60px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
        }

        /* ===== Bootstrap 覆写 ===== */
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            border-radius: 100px;
            font-weight: 600;
            padding: 10px 28px;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.25);
        }
        .btn-outline-primary {
            border-color: var(--primary);
            color: var(--primary);
            border-radius: 100px;
            font-weight: 600;
        }
        .btn-outline-primary:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .card {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
        }
        .badge {
            border-radius: 100px;
            font-weight: 600;
            padding: 4px 14px;
        }
        .badge.bg-primary {
            background-color: var(--primary) !important;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
    :root {
        --primary: #e63946;
        --primary-dark: #c1121f;
        --primary-light: #ff6b6b;
        --secondary: #1d3557;
        --secondary-light: #2d4a7a;
        --accent: #f4a261;
        --bg-light: #f8f9fa;
        --bg-dark: #0d1b2a;
        --bg-card: #ffffff;
        --text-dark: #1a1a2e;
        --text-body: #2d2d44;
        --text-muted: #6c757d;
        --border-color: #e9ecef;
        --border-radius: 16px;
        --border-radius-sm: 10px;
        --border-radius-lg: 24px;
        --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
        --shadow: 0 8px 32px rgba(0,0,0,0.10);
        --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
        --transition: all 0.30s cubic-bezier(0.4, 0, 0.2, 1);
        --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        --container-max: 1200px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-base);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-body);
        background: var(--bg-light);
        overflow-x: hidden;
    }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary-dark); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--border-radius-sm); }
    button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
    ul, ol { padding-left: 1.25rem; }
    h1, h2, h3, h4, h5, h6 {
        font-family: var(--font-heading);
        font-weight: 700;
        line-height: 1.3;
        color: var(--text-dark);
        letter-spacing: -0.02em;
    }

    /* ===== Container ===== */
    .container { max-width: var(--container-max); padding-left: 20px; padding-right: 20px; margin: 0 auto; width: 100%; }

    /* ===== Site Header ===== */
    .site-header {
        background: var(--bg-card);
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 1050;
        box-shadow: var(--shadow-sm);
    }
    .header-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 24px;
        max-width: var(--container-max);
        margin: 0 auto;
        gap: 16px;
    }
    .logo {
        font-size: 1.5rem;
        font-weight: 800;
        color: var(--text-dark);
        display: flex;
        align-items: center;
        gap: 8px;
        letter-spacing: -0.03em;
        flex-shrink: 0;
    }
    .logo i { color: var(--primary); font-size: 1.4rem; }
    .logo span { color: var(--primary); }
    .logo:hover { color: var(--text-dark); }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 14px;
        flex: 1;
        justify-content: flex-end;
    }
    .search-box {
        display: flex;
        align-items: center;
        background: var(--bg-light);
        border: 1px solid var(--border-color);
        border-radius: 50px;
        padding: 6px 16px;
        gap: 8px;
        flex: 0 1 260px;
        transition: var(--transition);
    }
    .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230,57,70,0.10); }
    .search-box i { color: var(--text-muted); font-size: 0.9rem; }
    .search-box input {
        background: transparent;
        border: none;
        padding: 6px 0;
        width: 100%;
        font-size: 0.9rem;
        color: var(--text-dark);
    }
    .search-box input::placeholder { color: var(--text-muted); }
    .btn-cta {
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: 50px;
        padding: 8px 22px;
        font-weight: 600;
        font-size: 0.9rem;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: var(--transition);
        white-space: nowrap;
    }
    .btn-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(230,57,70,0.30); color: #fff; }
    .btn-cta:active { transform: scale(0.97); }
    .mobile-toggle {
        display: none;
        background: transparent;
        font-size: 1.3rem;
        color: var(--text-dark);
        padding: 6px 10px;
        border-radius: 8px;
        border: 1px solid var(--border-color);
        cursor: pointer;
        transition: var(--transition);
    }
    .mobile-toggle:hover { background: var(--bg-light); }

    /* ===== Header Nav ===== */
    .header-nav {
        border-top: 1px solid var(--border-color);
        background: var(--bg-card);
        padding: 0 24px;
    }
    .nav-inner {
        display: flex;
        gap: 4px;
        max-width: var(--container-max);
        margin: 0 auto;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 4px 0;
    }
    .nav-inner::-webkit-scrollbar { display: none; }
    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        font-size: 0.9rem;
        font-weight: 500;
        color: var(--text-muted);
        border-radius: 50px;
        white-space: nowrap;
        transition: var(--transition);
        flex-shrink: 0;
    }
    .nav-link i { font-size: 0.85rem; }
    .nav-link:hover { color: var(--text-dark); background: var(--bg-light); }
    .nav-link.active { color: var(--primary); background: rgba(230,57,70,0.08); font-weight: 600; }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.80);
        padding: 60px 0 30px;
        margin-top: 0;
    }
    .footer-brand {
        font-size: 1.5rem;
        font-weight: 800;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 12px;
    }
    .footer-brand i { color: var(--primary); }
    .footer-desc {
        font-size: 0.9rem;
        line-height: 1.7;
        color: rgba(255,255,255,0.60);
        max-width: 480px;
    }
    .footer-links {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-bottom: 16px;
    }
    .footer-links a {
        color: rgba(255,255,255,0.70);
        font-size: 0.95rem;
        font-weight: 500;
        transition: var(--transition);
    }
    .footer-links a:hover { color: var(--primary-light); }
    .footer-divider {
        border-color: rgba(255,255,255,0.10);
        margin: 28px 0 20px;
    }
    .footer-copy {
        font-size: 0.85rem;
        color: rgba(255,255,255,0.35);
    }

    /* ===== Article Hero / Banner ===== */
    .article-hero {
        position: relative;
        padding: 80px 0 60px;
        background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2a3a 100%);
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        background-blend-mode: overlay;
        min-height: 320px;
        display: flex;
        align-items: center;
    }
    .article-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(13,27,42,0.85) 0%, rgba(26,42,58,0.70) 100%);
        z-index: 1;
    }
    .article-hero .container { position: relative; z-index: 2; }
    .article-hero .breadcrumb {
        background: transparent;
        padding: 0;
        margin-bottom: 16px;
        font-size: 0.85rem;
    }
    .article-hero .breadcrumb-item,
    .article-hero .breadcrumb-item a {
        color: rgba(255,255,255,0.60);
    }
    .article-hero .breadcrumb-item.active {
        color: rgba(255,255,255,0.90);
    }
    .article-hero .breadcrumb-item + .breadcrumb-item::before {
        color: rgba(255,255,255,0.40);
    }
    .article-hero h1 {
        font-size: 2.4rem;
        font-weight: 800;
        color: #fff;
        line-height: 1.25;
        max-width: 800px;
        letter-spacing: -0.02em;
        text-shadow: 0 2px 20px rgba(0,0,0,0.30);
        margin-bottom: 16px;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px 24px;
        align-items: center;
        color: rgba(255,255,255,0.70);
        font-size: 0.9rem;
    }
    .article-meta i { margin-right: 6px; }
    .article-meta .badge-category {
        background: var(--primary);
        color: #fff;
        padding: 4px 14px;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 600;
    }

    /* ===== Article Content ===== */
    .article-section {
        padding: 50px 0 60px;
        background: var(--bg-light);
    }
    .article-wrapper {
        max-width: 860px;
        margin: 0 auto;
    }
    .article-body {
        background: var(--bg-card);
        border-radius: var(--border-radius);
        padding: 40px 48px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-color);
    }
    .article-body .content {
        font-size: 1.05rem;
        line-height: 1.85;
        color: var(--text-body);
    }
    .article-body .content p {
        margin-bottom: 1.4rem;
    }
    .article-body .content h2,
    .article-body .content h3 {
        margin-top: 2rem;
        margin-bottom: 0.8rem;
    }
    .article-body .content img {
        border-radius: var(--border-radius-sm);
        margin: 1.8rem auto;
        max-width: 100%;
        box-shadow: var(--shadow-sm);
    }
    .article-body .content ul,
    .article-body .content ol {
        margin-bottom: 1.4rem;
    }
    .article-body .content blockquote {
        border-left: 4px solid var(--primary);
        background: var(--bg-light);
        padding: 16px 24px;
        margin: 1.8rem 0;
        border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
        color: var(--text-muted);
        font-style: italic;
    }
    .article-body .content a { color: var(--primary); text-decoration: underline; }

    .article-not-found {
        text-align: center;
        padding: 80px 20px;
    }
    .article-not-found i {
        font-size: 4rem;
        color: var(--text-muted);
        margin-bottom: 20px;
        display: block;
    }
    .article-not-found h2 {
        font-size: 2rem;
        margin-bottom: 12px;
    }
    .article-not-found p {
        color: var(--text-muted);
        margin-bottom: 24px;
    }
    .article-not-found .btn-back {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        border-radius: 50px;
        padding: 10px 28px;
        font-weight: 600;
        transition: var(--transition);
    }
    .article-not-found .btn-back:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(230,57,70,0.30);
        color: #fff;
    }

    /* ===== Article Tags ===== */
    .article-tags-section {
        padding: 30px 0 10px;
    }
    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .article-tags .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--bg-light);
        color: var(--text-muted);
        padding: 6px 16px;
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 500;
        border: 1px solid var(--border-color);
        transition: var(--transition);
    }
    .article-tags .tag:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

    /* ===== Related Posts ===== */
    .related-section {
        padding: 50px 0 60px;
        background: var(--bg-card);
    }
    .related-section .section-title {
        font-size: 1.8rem;
        font-weight: 700;
        margin-bottom: 32px;
        color: var(--text-dark);
        text-align: center;
    }
    .related-section .section-title span { color: var(--primary); }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 24px;
    }
    .related-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-sm);
    }
    .related-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow);
        border-color: transparent;
    }
    .related-card .card-img {
        height: 180px;
        background-size: cover;
        background-position: center;
        position: relative;
    }
    .related-card .card-img .badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: var(--primary);
        color: #fff;
        font-size: 0.75rem;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 50px;
    }
    .related-card .card-body {
        padding: 20px 22px 24px;
    }
    .related-card .card-body h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .related-card .card-body h3 a { color: var(--text-dark); }
    .related-card .card-body h3 a:hover { color: var(--primary); }
    .related-card .card-body p {
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .related-card .card-body .meta {
        font-size: 0.8rem;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .related-card .card-body .meta i { margin-right: 4px; }

    /* ===== CTA Section ===== */
    .cta-section {
        padding: 50px 0;
        background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%);
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        background-blend-mode: overlay;
        position: relative;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: rgba(13,27,42,0.80);
        z-index: 1;
    }
    .cta-section .container { position: relative; z-index: 2; }
    .cta-section .cta-wrapper {
        text-align: center;
        max-width: 640px;
        margin: 0 auto;
    }
    .cta-section h2 {
        font-size: 2rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }
    .cta-section p {
        font-size: 1.05rem;
        color: rgba(255,255,255,0.70);
        margin-bottom: 28px;
    }
    .cta-section .btn-cta-large {
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: 50px;
        padding: 14px 44px;
        font-size: 1.1rem;
        font-weight: 700;
        display: inline-flex;
        align-items: center;
        gap: 10px;
        transition: var(--transition);
        box-shadow: 0 8px 30px rgba(230,57,70,0.35);
    }
    .cta-section .btn-cta-large:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 12px 40px rgba(230,57,70,0.45);
        color: #fff;
    }

    /* ===== FAQ Section ===== */
    .faq-section {
        padding: 50px 0 60px;
        background: var(--bg-light);
    }
    .faq-section .section-title {
        font-size: 1.8rem;
        font-weight: 700;
        text-align: center;
        margin-bottom: 36px;
        color: var(--text-dark);
    }
    .faq-section .section-title span { color: var(--primary); }
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius-sm);
        padding: 20px 24px;
        transition: var(--transition);
        cursor: pointer;
    }
    .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
    .faq-item .faq-question {
        font-weight: 600;
        font-size: 1rem;
        color: var(--text-dark);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }
    .faq-item .faq-question i {
        color: var(--primary);
        font-size: 1.1rem;
        flex-shrink: 0;
        transition: var(--transition);
    }
    .faq-item .faq-answer {
        margin-top: 12px;
        font-size: 0.95rem;
        color: var(--text-muted);
        line-height: 1.7;
        display: none;
    }
    .faq-item.open .faq-answer { display: block; }
    .faq-item.open .faq-question i { transform: rotate(180deg); }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-hero h1 { font-size: 2rem; }
        .article-body { padding: 32px 28px; }
    }
    @media (max-width: 768px) {
        .header-top { padding: 10px 16px; flex-wrap: wrap; }
        .search-box { flex: 1 1 100%; order: 3; }
        .header-actions { gap: 10px; }
        .btn-cta { padding: 6px 16px; font-size: 0.8rem; }
        .btn-cta span { display: none; }
        .mobile-toggle { display: block; }
        .header-nav { display: none; }
        .header-nav.open { display: block; }
        .nav-inner { flex-wrap: nowrap; padding: 8px 0; }
        .article-hero { padding: 50px 0 40px; min-height: 240px; }
        .article-hero h1 { font-size: 1.5rem; }
        .article-meta { font-size: 0.8rem; gap: 10px; }
        .article-body { padding: 24px 18px; border-radius: var(--border-radius-sm); }
        .article-body .content { font-size: 0.98rem; }
        .related-grid { grid-template-columns: 1fr; }
        .cta-section h2 { font-size: 1.5rem; }
        .cta-section .btn-cta-large { padding: 12px 32px; font-size: 1rem; }
        .faq-section .section-title { font-size: 1.4rem; }
        .faq-item { padding: 16px 18px; }
        .site-footer { padding: 40px 0 24px; }
        .footer-links { gap: 14px; }
    }
    @media (max-width: 520px) {
        .header-top { padding: 8px 12px; }
        .logo { font-size: 1.2rem; }
        .search-box { flex: 1 1 100%; }
        .article-hero h1 { font-size: 1.25rem; }
        .article-body { padding: 18px 14px; }
        .article-meta { flex-direction: column; align-items: flex-start; gap: 6px; }
        .related-card .card-img { height: 140px; }
        .cta-section h2 { font-size: 1.3rem; }
        .cta-section p { font-size: 0.95rem; }
    }

    /* ===== Utility ===== */
    .text-primary-custom { color: var(--primary); }
    .bg-primary-custom { background: var(--primary); }
    .rounded-custom { border-radius: var(--border-radius); }
    .shadow-custom { box-shadow: var(--shadow); }