/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1724;
            --primary-light: #1a2332;
            --primary-mid: #243044;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fbbf24;
            --secondary: #3b82f6;
            --secondary-hover: #2563eb;
            --bg: #f1f5f9;
            --bg-card: #ffffff;
            --bg-dark: #0a0f1a;
            --text: #0f1724;
            --text-light: #475569;
            --text-muted: #94a3b8;
            --text-white: #f8fafc;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
            --transition: all 0.30s cubic-bezier(0.4,0,0.2,1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-w: 1200px;
            --nav-h: 72px;
            --tab-h: 64px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            padding-top: var(--nav-h);
            padding-bottom: 0;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        button { cursor: pointer; font-family: inherit; font-size: inherit; border: none; background: none; }
        input,textarea { font-family: inherit; font-size: inherit; }
        ul,ol { list-style: none; }
        h1,h2,h3,h4,h5,h6 { line-height: 1.25; font-weight: 700; color: var(--text); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
        h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
        p { color: var(--text-light); margin-bottom: 0.75rem; }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 28px; border-radius: var(--radius);
            font-weight: 600; font-size: 0.95rem;
            transition: var(--transition); border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent); color: #0f1724; border-color: var(--accent);
        }
        .btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #0f1724; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.30); }
        .btn-outline {
            background: transparent; color: var(--text-white); border-color: rgba(255,255,255,0.35);
        }
        .btn-outline:hover { background: rgba(255,255,255,0.10); border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
        .btn-secondary {
            background: var(--secondary); color: #fff; border-color: var(--secondary);
        }
        .btn-secondary:hover { background: var(--secondary-hover); border-color: var(--secondary-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59,130,246,0.25); }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }
        .btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }

        /* ===== 标签 / 徽章 ===== */
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 100px;
            font-size: 0.78rem; font-weight: 600; letter-spacing: 0.02em;
            background: var(--accent); color: #0f1724;
        }
        .badge-secondary { background: rgba(59,130,246,0.12); color: var(--secondary); }
        .badge-ghost { background: rgba(255,255,255,0.10); color: var(--text-white); border: 1px solid rgba(255,255,255,0.15); }
        .tag {
            display: inline-block; padding: 2px 12px; border-radius: 100px;
            font-size: 0.72rem; font-weight: 500;
            background: var(--border); color: var(--text-light);
            transition: var(--transition);
        }
        .tag:hover { background: var(--accent); color: #0f1724; }
        .tag-accent { background: rgba(245,158,11,0.12); color: var(--accent); }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card); border-radius: var(--radius);
            box-shadow: var(--shadow); transition: var(--transition);
            overflow: hidden; border: 1px solid var(--border);
        }
        .card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .card-body { padding: 20px 24px 24px; }
        .card-title { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; color: var(--text); }
        .card-text { font-size: 0.90rem; color: var(--text-light); line-height: 1.6; }

        /* ===== 导航 桌面端 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--nav-h); background: rgba(15,23,36,0.92);
            backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em;
            color: var(--text-white); display: flex; align-items: center; gap: 8px;
        }
        .logo i { color: var(--accent); font-size: 1.5rem; }
        .logo:hover { color: var(--accent); }
        .nav-list { display: flex; align-items: center; gap: 8px; }
        .nav-list a {
            padding: 8px 20px; border-radius: var(--radius-sm);
            font-size: 0.90rem; font-weight: 500; color: rgba(255,255,255,0.75);
            transition: var(--transition); position: relative;
        }
        .nav-list a:hover { color: var(--text-white); background: rgba(255,255,255,0.06); }
        .nav-list a.active { color: var(--accent); background: rgba(245,158,11,0.10); }
        .nav-list a.active::after {
            content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
            width: 20px; height: 3px; border-radius: 3px; background: var(--accent);
        }
        .nav-cta .btn { padding: 8px 22px; font-size: 0.85rem; }
        .mobile-toggle { display: none; font-size: 1.6rem; color: var(--text-white); background: none; border: none; }

        /* ===== 移动端底部 Tab ===== */
        .mobile-tabbar {
            display: none; position: fixed; bottom: 0; left: 0; right: 0;
            height: var(--tab-h); z-index: 999;
            background: rgba(15,23,36,0.96); backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 0 8px; align-items: center; justify-content: space-around;
        }
        .tab-item {
            display: flex; flex-direction: column; align-items: center; gap: 2px;
            padding: 6px 12px; border-radius: var(--radius-sm);
            color: rgba(255,255,255,0.50); font-size: 0.65rem; font-weight: 500;
            transition: var(--transition); min-width: 60px;
        }
        .tab-item i { font-size: 1.25rem; }
        .tab-item:hover { color: var(--text-white); }
        .tab-item.active { color: var(--accent); }
        .tab-item.active i { text-shadow: 0 0 16px rgba(245,158,11,0.30); }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 88vh;
            display: flex; align-items: center; justify-content: center;
            background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(15,23,36,0.88) 0%, rgba(15,23,36,0.50) 70%, rgba(245,158,11,0.15) 100%);
            backdrop-filter: blur(2px);
        }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 820px; padding: 60px 24px; }
        .hero-badge { display: inline-block; padding: 6px 24px; border-radius: 100px; background: rgba(245,158,11,0.15); color: var(--accent); font-size: 0.82rem; font-weight: 600; margin-bottom: 24px; border: 1px solid rgba(245,158,11,0.20); }
        .hero h1 { color: var(--text-white); margin-bottom: 20px; font-weight: 800; letter-spacing: -0.02em; }
        .hero h1 span { color: var(--accent); }
        .hero p { color: rgba(255,255,255,0.70); font-size: 1.15rem; max-width: 640px; margin: 0 auto 32px; line-height: 1.7; }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .hero-stats { display: flex; gap: 40px; justify-content: center; margin-top: 48px; flex-wrap: wrap; }
        .hero-stat { text-align: center; }
        .hero-stat-num { font-size: 2.2rem; font-weight: 800; color: var(--text-white); line-height: 1.2; }
        .hero-stat-num span { color: var(--accent); }
        .hero-stat-label { font-size: 0.82rem; color: rgba(255,255,255,0.50); margin-top: 4px; }

        /* ===== 板块通用 ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-card); }
        .section-dark { background: var(--bg-dark); }
        .section-header { text-align: center; margin-bottom: 52px; }
        .section-header h2 { margin-bottom: 12px; }
        .section-header p { max-width: 580px; margin: 0 auto; color: var(--text-light); font-size: 1.02rem; }
        .section-header .badge { margin-bottom: 16px; }

        /* ===== 特色板块 ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius);
            padding: 36px 28px 32px; border: 1px solid var(--border);
            box-shadow: var(--shadow-sm); transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: var(--accent); }
        .feature-icon {
            width: 64px; height: 64px; border-radius: 16px;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 20px; font-size: 1.6rem;
            background: rgba(245,158,11,0.10); color: var(--accent);
        }
        .feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
        .feature-card p { font-size: 0.90rem; color: var(--text-light); }

        /* ===== 赛事分类 ===== */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .category-card {
            position: relative; border-radius: var(--radius-lg); overflow: hidden;
            aspect-ratio: 4/3; display: flex; align-items: flex-end;
            background: var(--bg-dark);
            box-shadow: var(--shadow); transition: var(--transition);
        }
        .category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
        .category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .category-card:hover img { transform: scale(1.05); }
        .category-card .overlay {
            position: absolute; inset: 0;
            background: linear-gradient(0deg, rgba(15,23,36,0.85) 0%, rgba(15,23,36,0.20) 60%, transparent 100%);
            z-index: 1;
        }
        .category-card .cat-body { position: relative; z-index: 2; padding: 28px 24px 24px; width: 100%; }
        .category-card h3 { color: var(--text-white); font-size: 1.15rem; margin-bottom: 4px; }
        .category-card p { color: rgba(255,255,255,0.60); font-size: 0.82rem; margin-bottom: 0; }
        .category-card .tag { margin-top: 8px; background: rgba(255,255,255,0.10); color: var(--text-white); border: 1px solid rgba(255,255,255,0.10); }

        /* ===== 资讯列表 ===== */
        .news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .news-card { display: flex; flex-direction: column; }
        .news-card .card-img { aspect-ratio: 16/10; }
        .news-card .card-body { flex: 1; display: flex; flex-direction: column; }
        .news-card .card-body .meta { display: flex; gap: 12px; font-size: 0.78rem; color: var(--text-muted); margin-bottom: 8px; align-items: center; }
        .news-card .card-body .meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-muted); }
        .news-card .card-body .card-title { font-size: 1rem; font-weight: 600; }
        .news-card .card-body .card-text { font-size: 0.85rem; margin-top: auto; }
        .news-card .card-body .read-more { margin-top: 12px; font-size: 0.85rem; font-weight: 600; color: var(--secondary); display: inline-flex; align-items: center; gap: 6px; }
        .news-card .card-body .read-more:hover { color: var(--accent); gap: 10px; }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-card {
            background: rgba(255,255,255,0.04); border-radius: var(--radius);
            padding: 32px 20px; text-align: center;
            border: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .stat-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
        .stat-card .num { font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .stat-card .label { font-size: 0.88rem; color: rgba(255,255,255,0.55); margin-top: 8px; }
        .stat-card i { font-size: 1.8rem; color: rgba(245,158,11,0.30); margin-bottom: 12px; }

        /* ===== 使用流程 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
        .step-card {
            background: var(--bg-card); border-radius: var(--radius);
            padding: 32px 20px 28px; text-align: center;
            border: 1px solid var(--border); box-shadow: var(--shadow-sm);
            position: relative; transition: var(--transition);
        }
        .step-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .step-card::before {
            counter-increment: step; content: counter(step);
            position: absolute; top: 16px; left: 20px;
            font-size: 2.4rem; font-weight: 800; color: rgba(245,158,11,0.12);
            line-height: 1; font-family: var(--font);
        }
        .step-card .step-icon { font-size: 2rem; color: var(--accent); margin-bottom: 16px; }
        .step-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .step-card p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius);
            margin-bottom: 12px; border: 1px solid var(--border);
            overflow: hidden; transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: 20px 24px; font-weight: 600; font-size: 1rem;
            cursor: pointer; color: var(--text); background: none;
            width: 100%; text-align: left; gap: 12px;
        }
        .faq-question i { font-size: 0.80rem; color: var(--text-muted); transition: var(--transition); }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent); }
        .faq-answer {
            padding: 0 24px 20px; font-size: 0.92rem;
            color: var(--text-light); line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            position: relative; padding: 80px 0;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(15,23,36,0.88) 0%, rgba(15,23,36,0.65) 100%);
        }
        .cta-content { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
        .cta-content h2 { color: var(--text-white); margin-bottom: 16px; }
        .cta-content p { color: rgba(255,255,255,0.65); font-size: 1.05rem; margin-bottom: 32px; }
        .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.60);
            padding: 48px 0 80px; border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand .logo { font-size: 1.2rem; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.85rem; color: rgba(255,255,255,0.45); max-width: 300px; }
        .footer-social { display: flex; gap: 12px; margin-top: 16px; }
        .footer-social a {
            width: 40px; height: 40px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.50);
            font-size: 1rem; transition: var(--transition);
        }
        .footer-social a:hover { background: var(--accent); color: #0f1724; transform: translateY(-2px); }
        .footer-col h4 { color: var(--text-white); font-size: 0.92rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col a { display: block; font-size: 0.85rem; color: rgba(255,255,255,0.50); padding: 4px 0; }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            margin-top: 40px; padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
            display: flex; justify-content: space-between; align-items: center;
            font-size: 0.80rem; color: rgba(255,255,255,0.35); flex-wrap: wrap; gap: 8px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.35); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== 移动端适配 ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            body { padding-top: 0; padding-bottom: var(--tab-h); }
            .site-header { display: none; }
            .mobile-tabbar { display: flex; }
            .hero { min-height: 70vh; }
            .hero-content { padding: 40px 16px; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.95rem; }
            .hero-stats { gap: 20px; }
            .hero-stat-num { font-size: 1.6rem; }
            .section { padding: 48px 0; }
            .section-header { margin-bottom: 32px; }
            .features-grid { grid-template-columns: 1fr; gap: 16px; }
            .category-grid { grid-template-columns: 1fr; gap: 16px; }
            .news-grid { grid-template-columns: 1fr; gap: 16px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            .steps-grid { grid-template-columns: 1fr; gap: 12px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
            .footer-brand p { max-width: 100%; }
            .footer-social { justify-content: center; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section { padding: 48px 0; }
            .cta-content h2 { font-size: 1.5rem; }
            .faq-question { padding: 16px 18px; font-size: 0.92rem; }
            .faq-answer { padding: 0 18px 16px; }
            .stat-card .num { font-size: 1.6rem; }
            .stat-card { padding: 20px 12px; }
            .feature-card { padding: 24px 20px; }
            .step-card { padding: 24px 16px; }
            .hero-actions { flex-direction: column; align-items: center; }
            .hero-actions .btn { width: 100%; max-width: 280px; justify-content: center; }
            .category-card { aspect-ratio: 5/4; }
        }

        @media (max-width: 520px) {
            .hero h1 { font-size: 1.5rem; }
            .hero-stat-num { font-size: 1.3rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
            .stat-card .num { font-size: 1.3rem; }
            .stat-card .label { font-size: 0.75rem; }
            .badge { font-size: 0.70rem; padding: 3px 10px; }
            .btn { padding: 10px 20px; font-size: 0.85rem; }
            .news-card .card-body { padding: 16px 18px 20px; }
            .card-title { font-size: 0.92rem; }
        }

        /* ===== 辅助 ===== */
        .text-center { text-align: center; }
        .mt-12 { margin-top: 12px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ===== 空状态 ===== */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
        .empty-state i { font-size: 2.4rem; margin-bottom: 16px; opacity: 0.40; }
        .empty-state p { font-size: 0.92rem; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --primary-bg: #eff6ff;
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --accent: #8b5cf6;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --bg-footer: #0f172a;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-inverse: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
            --shadow-xl: 0 24px 48px rgba(0,0,0,0.16);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container: 1200px;
            --header-h: 72px;
            --gap: 24px;
        }

        /* ===== 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-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-h);
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255,255,255,0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo i { font-size: 1.6rem; color: var(--secondary); }
        .logo:hover { color: var(--primary-dark); }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-list a {
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: var(--primary-bg); }
        .nav-list a.active { color: var(--primary); background: var(--primary-bg); }
        .nav-list a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--primary); border-radius: 4px; }
        .nav-list .nav-cta { padding: 4px 0 4px 12px; }
        .nav-list .nav-cta:hover { background: transparent; }
        .btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; transition: all var(--transition); border: 2px solid transparent; cursor: pointer; line-height: 1.4; }
        .btn-primary { background: var(--primary); color: var(--text-inverse) !important; border-color: var(--primary); }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.35); }
        .btn-primary:active { transform: translateY(0); }
        .btn-sm { padding: 8px 18px; font-size: 0.85rem; }
        .btn-outline { background: transparent; color: var(--primary) !important; border-color: var(--primary); }
        .btn-outline:hover { background: var(--primary); color: var(--text-inverse) !important; transform: translateY(-2px); }

        /* ===== Mobile Bottom Tab ===== */
        .mobile-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1100;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
            padding: 6px 0 env(safe-area-inset-bottom, 6px) 0;
            justify-content: space-around;
            align-items: center;
        }
        .mobile-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            padding: 6px 12px;
            border-radius: 12px;
            color: var(--text-muted);
            font-size: 0.7rem;
            font-weight: 500;
            transition: all var(--transition);
            min-width: 60px;
        }
        .mobile-tab-item i { font-size: 1.3rem; }
        .mobile-tab-item.active { color: var(--primary); background: var(--primary-bg); }
        .mobile-tab-item:hover { color: var(--primary); }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 60%, #1a1a3e 100%);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(37,99,235,0.2) 0%, transparent 70%);
        }
        .page-banner .container { position: relative; z-index: 2; }
        .page-banner h1 {
            font-size: 2.4rem;
            color: var(--text-inverse);
            max-width: 800px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .page-banner .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }
        .page-banner .breadcrumb a { color: rgba(255,255,255,0.8); }
        .page-banner .breadcrumb a:hover { color: #fff; }
        .page-banner .breadcrumb .sep { color: rgba(255,255,255,0.4); }
        .page-banner .breadcrumb .current { color: var(--secondary); font-weight: 600; }
        .page-banner .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 16px;
            color: rgba(255,255,255,0.75);
            font-size: 0.95rem;
        }
        .page-banner .meta-info span { display: flex; align-items: center; gap: 6px; }
        .page-banner .meta-info i { font-size: 0.9rem; }
        .page-banner .category-tag {
            display: inline-block;
            padding: 4px 16px;
            background: var(--secondary);
            color: #0f172a;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px;
            border: 1px solid var(--border);
        }
        .article-main .featured-image {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 32px;
        }
        .article-main .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-main .article-body p {
            margin-bottom: 1.6em;
        }
        .article-main .article-body h2, .article-main .article-body h3 {
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            color: var(--text-primary);
        }
        .article-main .article-body h2 { font-size: 1.6rem; }
        .article-main .article-body h3 { font-size: 1.25rem; }
        .article-main .article-body ul, .article-main .article-body ol {
            margin-bottom: 1.6em;
            padding-left: 1.6em;
        }
        .article-main .article-body ul { list-style: disc; }
        .article-main .article-body ol { list-style: decimal; }
        .article-main .article-body li { margin-bottom: 0.4em; }
        .article-main .article-body a { color: var(--primary); text-decoration: underline; }
        .article-main .article-body a:hover { color: var(--primary-dark); }
        .article-main .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.6em 0;
            background: var(--primary-bg);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-main .article-body img {
            border-radius: var(--radius-md);
            margin: 1.6em auto;
            box-shadow: var(--shadow-md);
        }
        .article-main .article-body pre {
            background: var(--bg-dark);
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-size: 0.9rem;
            margin: 1.6em 0;
        }
        .article-main .article-body code {
            background: var(--border-light);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.9em;
        }
        .article-main .article-body pre code { background: none; padding: 0; }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            padding: 6px 16px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: var(--text-inverse); }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-share span { font-weight: 600; color: var(--text-secondary); font-size: 0.9rem; }
        .article-share a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--border-light);
            color: var(--text-secondary);
            transition: all var(--transition);
            font-size: 1.1rem;
        }
        .article-share a:hover { background: var(--primary); color: var(--text-inverse); transform: translateY(-3px); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-widget {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            border: 1px solid var(--border);
        }
        .sidebar-widget h3 {
            font-size: 1.1rem;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-bg);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget h3 i { color: var(--primary); }
        .sidebar-widget .widget-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-widget .widget-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            background: var(--bg-body);
            transition: all var(--transition);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .sidebar-widget .widget-list a:hover { background: var(--primary-bg); color: var(--primary); }
        .sidebar-widget .widget-list a img {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-widget .widget-list a .item-title { flex: 1; font-weight: 500; }
        .sidebar-widget .widget-list a .item-date { font-size: 0.8rem; color: var(--text-muted); flex-shrink: 0; }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: var(--text-inverse);
            border: none;
            padding: 32px 24px;
            text-align: center;
        }
        .sidebar-cta h3 { color: var(--text-inverse); border-bottom-color: rgba(255,255,255,0.2); }
        .sidebar-cta h3 i { color: var(--secondary); }
        .sidebar-cta p { margin: 12px 0 20px; font-size: 0.9rem; opacity: 0.9; }
        .sidebar-cta .btn { background: var(--text-inverse); color: var(--primary) !important; border-color: var(--text-inverse); }
        .sidebar-cta .btn:hover { background: var(--secondary); color: #0f172a !important; border-color: var(--secondary); }

        /* ===== Related Articles ===== */
        .related-section {
            padding: 0 0 60px;
        }
        .related-section h2 {
            font-size: 1.6rem;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section h2 i { color: var(--primary); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body { padding: 20px 18px; }
        .related-card .card-body h4 { font-size: 1rem; margin-bottom: 8px; }
        .related-card .card-body h4 a { color: var(--text-primary); }
        .related-card .card-body h4 a:hover { color: var(--primary); }
        .related-card .card-body p { font-size: 0.85rem; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card .card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 18px;
            border-top: 1px solid var(--border-light);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== Error State ===== */
        .error-state {
            text-align: center;
            padding: 80px 20px;
        }
        .error-state i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; }
        .error-state h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .error-state p { color: var(--text-secondary); margin-bottom: 24px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-footer);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 30px;
            margin-bottom: 60px;
        }
        .site-footer .logo { color: var(--text-inverse); margin-bottom: 16px; }
        .site-footer .logo i { color: var(--secondary); }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; color: rgba(255,255,255,0.6); }
        .footer-social { display: flex; gap: 14px; }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            color: rgba(255,255,255,0.7);
            font-size: 1.15rem;
            transition: all var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: var(--text-inverse); transform: translateY(-3px); }
        .footer-col h4 { color: var(--text-inverse); font-size: 1rem; margin-bottom: 18px; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover { color: var(--secondary); transform: translateX(4px); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== Mobile Nav Toggle ===== */
        .mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-primary); padding: 4px; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .page-banner h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .site-header .container { padding: 0 16px; }
            .nav-list a { padding: 6px 12px; font-size: 0.85rem; }
            .nav-list .nav-cta { padding-left: 6px; }
            .nav-list .nav-cta .btn-sm { padding: 6px 14px; font-size: 0.8rem; }
            .page-banner { padding: 60px 0 40px; min-height: 220px; }
            .page-banner h1 { font-size: 1.5rem; }
            .page-banner .meta-info { gap: 12px; font-size: 0.85rem; flex-direction: column; }
            .article-main { padding: 24px 18px; }
            .article-main .article-body { font-size: 0.95rem; }
            .related-grid { grid-template-columns: 1fr; }
            .related-card img { height: 200px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .mobile-toggle { display: block; }
            .mobile-tab-bar { display: flex; }
            .site-footer { margin-bottom: 56px; }
            body { padding-top: 64px; }
            .site-header { height: 64px; }
            .logo { font-size: 1.2rem; }
            .logo i { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .page-banner h1 { font-size: 1.25rem; }
            .nav-list a { font-size: 0.78rem; padding: 4px 8px; }
            .nav-list .nav-cta .btn-sm { padding: 4px 10px; font-size: 0.75rem; }
            .article-main { padding: 16px 12px; border-radius: var(--radius-md); }
            .sidebar-widget { padding: 20px 16px; }
            .related-card img { height: 160px; }
            .mobile-tab-item { min-width: 50px; padding: 4px 8px; font-size: 0.65rem; }
            .mobile-tab-item i { font-size: 1.1rem; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #fadbd8;
            --secondary: #2c3e50;
            --secondary-light: #34495e;
            --accent: #f39c12;
            --accent-light: #fef3e2;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-primary: #2c3e50;
            --text-secondary: #5a6a7a;
            --text-light: #95a5a6;
            --text-white: #ffffff;
            --border-color: #e8ecf0;
            --border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.12);
            --shadow-hover: 0 12px 40px rgba(231,76,60,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --footer-bg: #0f0f1a;
        }

        /* ===== 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-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            padding-top: var(--header-height);
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        ul, ol { list-style: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .section-title { font-size: 2rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.5rem; letter-spacing: -0.5px; }
        .section-subtitle { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 2.5rem; max-width: 640px; }
        .text-center { text-align: center; }
        .mx-auto { margin-left: auto; margin-right: auto; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px;
            border-radius: 50px; font-weight: 600; font-size: 0.95rem;
            cursor: pointer; transition: var(--transition); border: 2px solid transparent;
            justify-content: center; white-space: nowrap;
        }
        .btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(231,76,60,0.3); color: #fff; }
        .btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(231,76,60,0.2); }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }
        .btn-lg { padding: 16px 38px; font-size: 1.05rem; }
        .btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
        .btn-accent:hover { background: #e67e22; border-color: #e67e22; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(243,156,18,0.3); color: #fff; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-height); background: rgba(255,255,255,0.97);
            backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color); box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%; max-width: var(--max-width);
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.5rem; font-weight: 800; color: var(--primary);
            letter-spacing: -0.5px; transition: var(--transition);
        }
        .logo i { font-size: 1.6rem; color: var(--primary); }
        .logo:hover { color: var(--primary-dark); transform: scale(1.02); }
        .nav-list { display: flex; align-items: center; gap: 8px; }
        .nav-list a {
            padding: 8px 18px; font-weight: 500; font-size: 0.95rem;
            color: var(--text-secondary); border-radius: 50px;
            transition: var(--transition); position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: var(--primary-light); }
        .nav-list a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
        .nav-list a.nav-cta { padding: 4px 0 4px 8px; }
        .nav-list .btn-sm { padding: 8px 20px; }
        .mobile-bottom-tab { display: none; }

        /* ===== Hero Inner ===== */
        .hero-inner {
            position: relative; padding: 80px 0 80px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            overflow: hidden; min-height: 320px;
            display: flex; align-items: center;
        }
        .hero-inner::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20; mix-blend-mode: overlay;
        }
        .hero-inner::after {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(circle at 30% 50%, rgba(231,76,60,0.15) 0%, transparent 70%);
        }
        .hero-inner .container { position: relative; z-index: 2; text-align: center; }
        .hero-inner h1 {
            font-size: 3rem; font-weight: 800; color: #fff;
            letter-spacing: -1px; line-height: 1.2; margin-bottom: 16px;
        }
        .hero-inner h1 i { color: var(--accent); margin-right: 12px; }
        .hero-inner p {
            font-size: 1.15rem; color: rgba(255,255,255,0.8);
            max-width: 640px; margin: 0 auto 28px; line-height: 1.8;
        }
        .hero-breadcrumb {
            display: flex; justify-content: center; gap: 10px;
            font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a { color: rgba(255,255,255,0.7); }
        .hero-breadcrumb a:hover { color: #fff; }
        .hero-breadcrumb span { color: rgba(255,255,255,0.4); }

        /* ===== Category Intro ===== */
        .category-intro { padding: 60px 0; background: var(--bg-white); }
        .category-intro .container { display: flex; gap: 48px; align-items: center; flex-wrap: wrap; }
        .category-intro .intro-text { flex: 1; min-width: 280px; }
        .category-intro .intro-text h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
        .category-intro .intro-text p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 12px; }
        .category-intro .intro-image { flex: 0 0 360px; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }
        .category-intro .intro-image img { width: 100%; height: 260px; object-fit: cover; transition: var(--transition); }
        .category-intro .intro-image:hover img { transform: scale(1.03); }
        .intro-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
        .intro-tags .tag {
            padding: 6px 18px; border-radius: 50px; font-size: 0.85rem;
            background: var(--primary-light); color: var(--primary); font-weight: 500;
            transition: var(--transition);
        }
        .intro-tags .tag:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

        /* ===== Card Grid ===== */
        .section-cards { padding: 70px 0; background: var(--bg-body); }
        .section-cards .container { max-width: var(--max-width); }
        .card-grid {
            display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px; margin-top: 10px;
        }
        .card-item {
            background: var(--bg-card); border-radius: var(--radius-md);
            overflow: hidden; box-shadow: var(--shadow-sm);
            transition: var(--transition); border: 1px solid var(--border-light);
            display: flex; flex-direction: column;
        }
        .card-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--primary-light); }
        .card-item .card-img { width: 100%; height: 200px; overflow: hidden; }
        .card-item .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .card-item:hover .card-img img { transform: scale(1.05); }
        .card-item .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .card-item .card-body h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
        .card-item .card-body p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; flex: 1; margin-bottom: 16px; }
        .card-item .card-meta {
            display: flex; justify-content: space-between; align-items: center;
            font-size: 0.85rem; color: var(--text-light); border-top: 1px solid var(--border-light);
            padding-top: 14px; margin-top: auto;
        }
        .card-item .card-meta .badge {
            padding: 4px 14px; border-radius: 50px; font-size: 0.75rem;
            background: var(--accent-light); color: var(--accent); font-weight: 600;
        }
        .card-item .card-meta .badge.hot { background: #fde8e8; color: var(--primary); }
        .card-item .card-meta .badge.new { background: #e8f5e9; color: #27ae60; }

        /* ===== Featured / Large Card ===== */
        .featured-block { padding: 70px 0; background: var(--bg-white); }
        .featured-grid {
            display: grid; grid-template-columns: 1fr 1fr; gap: 30px;
        }
        .featured-main {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            border-radius: var(--radius-md); overflow: hidden;
            position: relative; min-height: 400px;
            display: flex; align-items: flex-end; padding: 32px;
            box-shadow: var(--shadow-md); transition: var(--transition);
        }
        .featured-main::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/coverpic/cover-2.png') center center / cover no-repeat;
            opacity: 0.30; mix-blend-mode: overlay;
        }
        .featured-main:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .featured-main .featured-content { position: relative; z-index: 2; color: #fff; }
        .featured-main .featured-content .badge-featured {
            display: inline-block; padding: 4px 16px; border-radius: 50px;
            background: var(--primary); font-size: 0.8rem; font-weight: 600;
            margin-bottom: 12px; color: #fff;
        }
        .featured-main .featured-content h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; }
        .featured-main .featured-content p { font-size: 1rem; opacity: 0.85; max-width: 400px; margin-bottom: 16px; }
        .featured-side { display: flex; flex-direction: column; gap: 16px; }
        .featured-side-item {
            display: flex; gap: 18px; padding: 20px; background: var(--bg-body);
            border-radius: var(--radius-sm); border: 1px solid var(--border-light);
            transition: var(--transition); cursor: pointer;
        }
        .featured-side-item:hover { background: var(--primary-light); border-color: var(--primary); transform: translateX(4px); }
        .featured-side-item .fs-icon {
            flex: 0 0 56px; height: 56px; border-radius: 12px;
            background: var(--primary-light); color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.4rem; transition: var(--transition);
        }
        .featured-side-item:hover .fs-icon { background: var(--primary); color: #fff; }
        .featured-side-item .fs-text h4 { font-size: 1rem; font-weight: 600; color: var(--text-primary); }
        .featured-side-item .fs-text p { font-size: 0.88rem; color: var(--text-secondary); margin-top: 4px; }

        /* ===== Stats ===== */
        .stats-block { padding: 60px 0; background: var(--bg-dark); color: #fff; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
        .stats-item .stat-number { font-size: 2.8rem; font-weight: 800; color: var(--accent); letter-spacing: -1px; }
        .stats-item .stat-label { font-size: 1rem; color: rgba(255,255,255,0.7); margin-top: 6px; }

        /* ===== Process / Steps ===== */
        .process-block { padding: 70px 0; background: var(--bg-white); }
        .process-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 20px; }
        .process-step {
            text-align: center; padding: 36px 24px; border-radius: var(--radius-md);
            background: var(--bg-body); border: 1px solid var(--border-light);
            transition: var(--transition); position: relative;
        }
        .process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .process-step .step-number {
            width: 56px; height: 56px; border-radius: 50%;
            background: var(--primary-light); color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.5rem; font-weight: 700; margin: 0 auto 18px;
            transition: var(--transition);
        }
        .process-step:hover .step-number { background: var(--primary); color: #fff; }
        .process-step h4 { font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; color: var(--text-primary); }
        .process-step p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.7; }

        /* ===== FAQ ===== */
        .faq-block { padding: 70px 0; background: var(--bg-body); }
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-white); border-radius: var(--radius-sm);
            border: 1px solid var(--border-light); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-question {
            display: flex; justify-content: space-between; align-items: center;
            padding: 20px 24px; cursor: pointer; font-weight: 600;
            font-size: 1rem; color: var(--text-primary); transition: var(--transition);
            user-select: none;
        }
        .faq-question i { color: var(--primary); transition: var(--transition); font-size: 1.1rem; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px; color: var(--text-secondary); line-height: 1.8; font-size: 0.95rem;
        }
        .faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }

        /* ===== CTA ===== */
        .cta-block {
            padding: 80px 0; background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
            position: relative; overflow: hidden; text-align: center;
        }
        .cta-block::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10; mix-blend-mode: overlay;
        }
        .cta-block .container { position: relative; z-index: 2; }
        .cta-block h2 { font-size: 2.2rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .cta-block p { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 28px; }
        .cta-block .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--footer-bg); color: rgba(255,255,255,0.7);
            padding: 60px 0 0; font-size: 0.95rem;
        }
        .footer-grid {
            display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo { font-size: 1.4rem; color: #fff; margin-bottom: 16px; }
        .footer-brand .logo i { color: var(--primary); }
        .footer-brand p { line-height: 1.8; color: rgba(255,255,255,0.6); max-width: 360px; }
        .footer-social { display: flex; gap: 14px; margin-top: 20px; }
        .footer-social a {
            width: 40px; height: 40px; border-radius: 50%;
            background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.6);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.1rem; transition: var(--transition);
        }
        .footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
        .footer-col h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 18px; }
        .footer-col a {
            display: block; padding: 6px 0; color: rgba(255,255,255,0.5);
            transition: var(--transition); font-size: 0.92rem;
        }
        .footer-col a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom {
            display: flex; justify-content: space-between; align-items: center;
            padding: 24px 0; font-size: 0.85rem; color: rgba(255,255,255,0.4);
            flex-wrap: wrap; gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--primary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .featured-grid { grid-template-columns: 1fr; }
            .featured-main { min-height: 320px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            :root { --header-height: 60px; }
            .nav-list a { padding: 6px 14px; font-size: 0.88rem; }
            .nav-list a.nav-cta { padding: 2px 0 2px 4px; }
            .hero-inner { padding: 60px 0 60px; min-height: 260px; }
            .hero-inner h1 { font-size: 2rem; }
            .hero-inner p { font-size: 1rem; }
            .section-title { font-size: 1.6rem; }
            .card-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
            .process-steps { grid-template-columns: 1fr; }
            .category-intro .container { flex-direction: column; }
            .category-intro .intro-image { flex: 0 0 100%; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stats-item .stat-number { font-size: 2rem; }
            .cta-block h2 { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .featured-main { padding: 24px; min-height: 260px; }
            .featured-main .featured-content h3 { font-size: 1.4rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-inner h1 { font-size: 1.6rem; }
            .hero-inner p { font-size: 0.92rem; }
            .card-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .section-title { font-size: 1.4rem; }
            .nav-list a { padding: 4px 10px; font-size: 0.82rem; }
            .btn { padding: 10px 20px; font-size: 0.88rem; }
            .cta-block h2 { font-size: 1.4rem; }
            .cta-block .btn-group { flex-direction: column; align-items: center; }
            .faq-question { font-size: 0.92rem; padding: 16px 18px; }
            .featured-side-item { padding: 14px; }
            .featured-side-item .fs-icon { flex: 0 0 44px; height: 44px; font-size: 1.2rem; }
        }

        /* Mobile Bottom Tab */
        @media (max-width: 768px) {
            .mobile-bottom-tab {
                display: flex; position: fixed; bottom: 0; left: 0; right: 0;
                height: 60px; background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
                border-top: 1px solid var(--border-color); z-index: 999;
                justify-content: space-around; align-items: center;
                padding: 0 8px; box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
            }
            .mobile-bottom-tab a {
                display: flex; flex-direction: column; align-items: center;
                gap: 2px; font-size: 0.7rem; color: var(--text-light);
                padding: 6px 12px; border-radius: 12px; transition: var(--transition);
                min-width: 56px;
            }
            .mobile-bottom-tab a i { font-size: 1.2rem; }
            .mobile-bottom-tab a.active { color: var(--primary); background: var(--primary-light); }
            .mobile-bottom-tab a:hover { color: var(--primary); }
            body { padding-bottom: 60px; }
        }
        @media (max-width: 520px) {
            .mobile-bottom-tab a { font-size: 0.65rem; padding: 4px 8px; min-width: 48px; }
            .mobile-bottom-tab a i { font-size: 1.1rem; }
        }

        /* ===== Utility ===== */
        .mt-10 { margin-top: 10px; }
        .mt-20 { margin-top: 20px; }
        .mb-10 { margin-bottom: 10px; }
        .mb-20 { margin-bottom: 20px; }
        .gap-16 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .text-primary { color: var(--primary); }
        .text-accent { color: var(--accent); }