/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #1a56db;
            --color-primary-light: #3b82f6;
            --color-primary-dark: #1e40af;
            --color-secondary: #f59e0b;
            --color-secondary-light: #fbbf24;
            --color-secondary-dark: #d97706;
            --color-accent: #ef4444;
            --color-bg: #f8fafc;
            --color-bg-alt: #ffffff;
            --color-bg-dark: #0f172a;
            --color-text: #1e293b;
            --color-text-soft: #475569;
            --color-text-muted: #94a3b8;
            --color-text-on-dark: #f1f5f9;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-shadow: rgba(15, 23, 42, 0.08);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px var(--color-shadow);
            --shadow-md: 0 4px 16px var(--color-shadow);
            --shadow-lg: 0 12px 40px var(--color-shadow);
            --shadow-xl: 0 24px 60px rgba(15, 23, 42, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 4rem;
            --space-xl: 6rem;
            --max-width: 1200px;
            --header-top-h: 60px;
            --header-bottom-h: 48px;
        }

        /* ===== 基础 Reset ===== */
        *, *::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(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--color-primary-light); }
        a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 2px; }
        button, input, textarea, select { 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: 1.25; font-weight: 700; color: var(--color-text); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        h4 { font-size: 1.1rem; }
        p { margin-bottom: 1rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-sm); }
        .section-padding { padding: var(--space-lg) 0; }
        .section-padding-sm { padding: var(--space-md) 0; }
        .text-center { text-align: center; }
        .text-muted { color: var(--color-text-muted); }

        /* ===== 双层导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        .header-top {
            height: var(--header-top-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 var(--space-sm);
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary-dark);
            letter-spacing: -0.5px;
        }
        .header-logo i { color: var(--color-secondary); font-size: 1.6rem; }
        .header-logo span { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .header-actions { display: flex; align-items: center; gap: var(--space-sm); }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            transition: border var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within { border-color: var(--color-primary-light); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }
        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            padding: 0.3rem 0;
            min-width: 140px;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .header-search input::placeholder { color: var(--color-text-muted); }
        .header-search button {
            background: var(--color-primary);
            color: #fff;
            border-radius: 999px;
            padding: 0.4rem 0.9rem;
            font-size: 0.85rem;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .header-search button:hover { background: var(--color-primary-dark); transform: scale(0.97); }
        .header-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .header-btn-outline { border: 1px solid var(--color-border); color: var(--color-text-soft); background: transparent; }
        .header-btn-outline:hover { background: var(--color-bg); color: var(--color-primary); border-color: var(--color-primary-light); transform: translateY(-1px); }
        .header-btn-solid { background: var(--color-primary); color: #fff; }
        .header-btn-solid:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-md); }

        .header-bottom {
            height: var(--header-bottom-h);
            border-top: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-sm);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-bottom::-webkit-scrollbar { display: none; }
        .nav-tabs { display: flex; gap: 0.25rem; align-items: center; white-space: nowrap; }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 1.2rem;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .nav-tab:hover { background: var(--color-bg); color: var(--color-primary); transform: translateY(-1px); }
        .nav-tab.active { background: var(--color-primary); color: #fff; font-weight: 600; box-shadow: var(--shadow-sm); }
        .nav-tab i { font-size: 0.85rem; }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1a2a4a 50%, #1a56db 100%);
            color: var(--color-text-on-dark);
            padding: var(--space-xl) 0 var(--space-lg);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.5;
        }
        .hero .container { position: relative; z-index: 1; }
        .hero-content { max-width: 720px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: 999px;
            padding: 0.3rem 1rem;
            font-size: 0.85rem;
            color: var(--color-secondary-light);
            margin-bottom: var(--space-sm);
            backdrop-filter: blur(4px);
        }
        .hero h1 { color: #fff; margin-bottom: var(--space-sm); font-weight: 800; letter-spacing: -1px; }
        .hero h1 em { color: var(--color-secondary-light); font-style: normal; }
        .hero p { font-size: 1.15rem; color: rgba(255,255,255,0.8); margin-bottom: var(--space-md); max-width: 600px; line-height: 1.8; }
        .hero-actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
        .hero-btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 2rem; border-radius: 999px; font-weight: 600; font-size: 1rem; transition: all var(--transition); }
        .hero-btn-primary { background: var(--color-secondary); color: #fff; box-shadow: 0 4px 20px rgba(245,158,11,0.35); }
        .hero-btn-primary:hover { background: var(--color-secondary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,158,11,0.45); }
        .hero-btn-outline { background: transparent; border: 2px solid rgba(255,255,255,0.3); color: #fff; }
        .hero-btn-outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); color: #fff; transform: translateY(-2px); }
        .hero-stats { display: flex; gap: var(--space-lg); margin-top: var(--space-lg); flex-wrap: wrap; }
        .hero-stat { text-align: center; }
        .hero-stat-number { font-size: 2.2rem; font-weight: 800; color: #fff; line-height: 1.1; }
        .hero-stat-number i { color: var(--color-secondary-light); margin-right: 0.3rem; }
        .hero-stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 0.2rem; }

        /* ===== 板块通用 ===== */
        .section-title { text-align: center; margin-bottom: var(--space-md); }
        .section-title h2 { margin-bottom: 0.5rem; }
        .section-title p { color: var(--color-text-soft); max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
        .section-title .title-tag {
            display: inline-block;
            background: rgba(26,86,219,0.08);
            color: var(--color-primary);
            padding: 0.2rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 0.75rem;
        }

        /* ===== 品牌介绍卡片 ===== */
        .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); align-items: center; }
        .intro-text h3 { font-size: 1.8rem; margin-bottom: var(--space-sm); }
        .intro-text p { color: var(--color-text-soft); margin-bottom: 1rem; }
        .intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); margin-top: var(--space-sm); }
        .intro-feat { display: flex; align-items: flex-start; gap: 0.75rem; }
        .intro-feat i { color: var(--color-primary); font-size: 1.2rem; margin-top: 2px; }
        .intro-feat div strong { display: block; font-weight: 600; font-size: 0.95rem; }
        .intro-feat div span { font-size: 0.85rem; color: var(--color-text-muted); }
        .intro-image {
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            min-height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 4rem;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .intro-image::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M50 10H40v10h10V10zm0 20H40v10h10V30zm0 20H40v10h10V50zm20-40H60v10h10V10zm0 20H60v10h10V30z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }
        .intro-image i { position: relative; z-index: 1; }

        /* ===== 分类入口卡片 ===== */
        .category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
        .category-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-lg);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); }
        .category-card .cat-icon {
            width: 56px; height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #fff;
            flex-shrink: 0;
        }
        .category-card .cat-icon.blue { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); }
        .category-card .cat-icon.orange { background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light)); }
        .category-card h3 { font-size: 1.3rem; margin: 0; }
        .category-card p { color: var(--color-text-soft); font-size: 0.95rem; margin: 0; flex: 1; }
        .category-card .cat-meta { display: flex; align-items: center; gap: var(--space-sm); font-size: 0.85rem; color: var(--color-text-muted); }
        .category-card .cat-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.95rem;
            margin-top: auto;
        }
        .category-card .cat-link i { transition: transform var(--transition); }
        .category-card:hover .cat-link i { transform: translateX(4px); }

        /* ===== 最新资讯（CMS 列表） ===== */
        .news-list { display: grid; gap: var(--space-sm); }
        .news-item {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: var(--space-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
            display: flex;
            gap: var(--space-sm);
            align-items: flex-start;
        }
        .news-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
        .news-item .news-tag {
            flex-shrink: 0;
            padding: 0.15rem 0.7rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-primary);
        }
        .news-item .news-tag.orange { background: var(--color-secondary); }
        .news-item .news-body { flex: 1; min-width: 0; }
        .news-item .news-body h4 { font-size: 1rem; margin-bottom: 0.25rem; }
        .news-item .news-body h4 a { color: var(--color-text); }
        .news-item .news-body h4 a:hover { color: var(--color-primary); }
        .news-item .news-body p { font-size: 0.9rem; color: var(--color-text-soft); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-item .news-meta { display: flex; align-items: center; gap: var(--space-sm); font-size: 0.8rem; color: var(--color-text-muted); margin-top: 0.3rem; }
        .news-empty { text-align: center; padding: var(--space-md); color: var(--color-text-muted); background: var(--color-bg-alt); border-radius: var(--radius-md); border: 1px dashed var(--color-border); }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
        .stat-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: var(--space-sm);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }
        .stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .stat-card .stat-icon { font-size: 2rem; color: var(--color-primary); margin-bottom: 0.5rem; }
        .stat-card .stat-number { font-size: 2rem; font-weight: 800; color: var(--color-text); line-height: 1.2; }
        .stat-card .stat-label { font-size: 0.9rem; color: var(--color-text-muted); }

        /* ===== 特色优势 ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
        .feature-card {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .feature-card .feat-icon {
            width: 64px; height: 64px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-sm);
            font-size: 1.6rem;
            color: #fff;
        }
        .feature-card .feat-icon.blue { background: linear-gradient(135deg, #3b82f6, #1a56db); }
        .feature-card .feat-icon.orange { background: linear-gradient(135deg, #fbbf24, #f59e0b); }
        .feature-card .feat-icon.green { background: linear-gradient(135deg, #34d399, #10b981); }
        .feature-card .feat-icon.red { background: linear-gradient(135deg, #f87171, #ef4444); }
        .feature-card .feat-icon.purple { background: linear-gradient(135deg, #a78bfa, #7c3aed); }
        .feature-card .feat-icon.teal { background: linear-gradient(135deg, #2dd4bf, #14b8a6); }
        .feature-card h4 { margin-bottom: 0.5rem; }
        .feature-card p { color: var(--color-text-soft); font-size: 0.92rem; margin: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 720px; margin: 0 auto; display: grid; gap: var(--space-xs); }
        .faq-item {
            background: var(--color-bg-alt);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: border var(--transition);
        }
        .faq-item:hover { border-color: var(--color-primary-light); }
        .faq-question {
            padding: var(--space-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover { background: var(--color-bg); }
        .faq-question i { color: var(--color-primary); transition: transform var(--transition); font-size: 1.1rem; }
        .faq-item.active .faq-question i { transform: rotate(45deg); }
        .faq-answer {
            padding: 0 var(--space-sm) var(--space-sm);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
            color: #fff;
            text-align: center;
            padding: var(--space-xl) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.06'%3E%3Cpath d='M50 10H40v10h10V10zm0 20H40v10h10V30zm0 20H40v10h10V50zm20-40H60v10h10V10zm0 20H60v10h10V30z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { color: #fff; margin-bottom: 0.75rem; }
        .cta-section p { color: rgba(255,255,255,0.8); max-width: 520px; margin: 0 auto var(--space-md); font-size: 1.05rem; }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2.4rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--color-secondary);
            color: #fff;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(245,158,11,0.35);
        }
        .cta-btn:hover { background: var(--color-secondary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(245,158,11,0.45); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: var(--space-lg) 0 var(--space-md);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-md); }
        .footer-brand .header-logo { color: #fff; margin-bottom: var(--space-xs); }
        .footer-brand .header-logo span { -webkit-text-fill-color: #fff; background: none; }
        .footer-brand .header-logo i { color: var(--color-secondary); }
        .footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.9rem; max-width: 280px; }
        .footer-col h5 { color: #fff; font-weight: 600; margin-bottom: var(--space-sm); font-size: 1rem; }
        .footer-col ul li { margin-bottom: 0.4rem; }
        .footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: color var(--transition); }
        .footer-col ul li a:hover { color: var(--color-secondary-light); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: var(--space-md);
            padding-top: var(--space-sm);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.4); }
        .footer-bottom a:hover { color: var(--color-secondary-light); }
        .footer-social { display: flex; gap: var(--space-sm); }
        .footer-social a {
            width: 36px; height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.5);
            transition: all var(--transition);
        }
        .footer-social a:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            :root { --header-top-h: 56px; --header-bottom-h: 44px; }
            .header-search input { min-width: 80px; }
            .header-btn-outline { display: none; }
            .intro-grid { grid-template-columns: 1fr; }
            .intro-image { min-height: 200px; font-size: 3rem; }
            .intro-features { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .features-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero-stats { gap: var(--space-md); }
            .hero-stat-number { font-size: 1.8rem; }
            .section-padding { padding: var(--space-md) 0; }
            .hero { padding: var(--space-lg) 0 var(--space-md); }
            .news-item { flex-direction: column; }
            .news-item .news-tag { align-self: flex-start; }
        }
        @media (max-width: 520px) {
            .header-search input { min-width: 60px; width: 70px; }
            .header-btn-solid { padding: 0.4rem 0.8rem; font-size: 0.8rem; }
            .header-logo { font-size: 1.2rem; }
            .hero h1 { font-size: 1.6rem; }
            .hero p { font-size: 0.95rem; }
            .hero-actions { flex-direction: column; }
            .hero-btn { justify-content: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .category-card { padding: var(--space-sm); }
            .feature-card { padding: var(--space-sm); }
        }

        /* ===== 辅助 ===== */
        .bg-alt { background: var(--color-bg-alt); }
        .divider { height: 1px; background: var(--color-border); margin: var(--space-sm) 0; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --primary: #e63946;
        --primary-dark: #c1121f;
        --primary-light: #ff6b6b;
        --secondary: #1d3557;
        --secondary-light: #457b9d;
        --accent: #f4a261;
        --bg-light: #f8f9fa;
        --bg-dark: #1a1a2e;
        --bg-card: #ffffff;
        --text-dark: #1a1a2e;
        --text-body: #2b2d42;
        --text-muted: #6c757d;
        --text-light: #8d99ae;
        --border-light: #e9ecef;
        --border-medium: #dee2e6;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
        --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
        --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
        --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --max-width: 1200px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
        font-family: var(--font-sans);
        color: var(--text-body);
        background: var(--bg-light);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }
    a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--primary-dark); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    ul, ol { list-style: none; padding: 0; }
    .container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; width: 100%; }

    /* ===== Typography ===== */
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text-dark); letter-spacing: -0.01em; }
    h1 { font-size: 2.4rem; margin-bottom: 0.6rem; }
    h2 { font-size: 2.0rem; margin-bottom: 0.5rem; }
    h3 { font-size: 1.6rem; margin-bottom: 0.4rem; }
    h4 { font-size: 1.3rem; margin-bottom: 0.3rem; }
    p { margin-bottom: 1.2rem; color: var(--text-body); }
    .text-muted { color: var(--text-muted); font-size: 0.92rem; }
    .text-center { text-align: center; }

    /* ===== Site Header ===== */
    .site-header {
        background: #fff;
        box-shadow: 0 2px 16px rgba(0,0,0,0.07);
        position: sticky;
        top: 0;
        z-index: 100;
    }
    .header-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 12px 24px;
        max-width: var(--max-width);
        margin: 0 auto;
        gap: 16px;
        flex-wrap: wrap;
    }
    .header-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.6rem;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: -0.5px;
    }
    .header-logo i { font-size: 1.8rem; color: var(--primary); }
    .header-logo:hover { color: var(--primary-dark); }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }
    .header-search {
        display: flex;
        align-items: center;
        gap: 0;
        background: var(--bg-light);
        border-radius: 30px;
        overflow: hidden;
        border: 1px solid var(--border-light);
        transition: border-color var(--transition);
    }
    .header-search:focus-within { border-color: var(--primary); }
    .header-search input {
        border: none;
        background: transparent;
        padding: 8px 16px;
        font-size: 0.92rem;
        outline: none;
        min-width: 180px;
        color: var(--text-dark);
    }
    .header-search input::placeholder { color: var(--text-light); }
    .header-search button {
        background: var(--primary);
        color: #fff;
        border: none;
        padding: 8px 18px;
        cursor: pointer;
        font-size: 0.88rem;
        font-weight: 600;
        transition: background var(--transition);
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .header-search button:hover { background: var(--primary-dark); }
    .header-btn {
        padding: 8px 22px;
        border-radius: 30px;
        font-size: 0.92rem;
        font-weight: 600;
        transition: all var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .header-btn-outline {
        border: 2px solid var(--border-medium);
        color: var(--text-dark);
        background: transparent;
    }
    .header-btn-outline:hover { border-color: var(--primary); color: var(--primary); }
    .header-btn-solid {
        background: var(--primary);
        color: #fff;
        border: 2px solid var(--primary);
    }
    .header-btn-solid:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }

    /* ===== 频道 Tabs 导航 ===== */
    .header-bottom {
        border-top: 1px solid var(--border-light);
        background: #fff;
        padding: 0 24px;
    }
    .nav-tabs {
        display: flex;
        gap: 4px;
        max-width: var(--max-width);
        margin: 0 auto;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 6px 0;
    }
    .nav-tabs::-webkit-scrollbar { display: none; }
    .nav-tab {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 10px 24px;
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text-muted);
        border-radius: 30px;
        transition: all var(--transition);
        white-space: nowrap;
        background: transparent;
        border: none;
        cursor: pointer;
    }
    .nav-tab i { font-size: 1.0rem; }
    .nav-tab:hover { color: var(--primary); background: rgba(230, 57, 70, 0.08); }
    .nav-tab.active {
        color: #fff;
        background: var(--primary);
        box-shadow: 0 4px 12px rgba(230, 57, 70, 0.30);
    }
    .nav-tab.active:hover { background: var(--primary-dark); }

    /* ===== Main Content ===== */
    .main-wrap {
        padding: 40px 0 60px;
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.90rem;
        color: var(--text-muted);
        margin-bottom: 24px;
        flex-wrap: wrap;
        padding: 0;
        background: none;
    }
    .breadcrumb a { color: var(--secondary-light); }
    .breadcrumb a:hover { color: var(--primary); }
    .breadcrumb .sep { color: var(--text-light); }

    /* ===== Article Header ===== */
    .article-header {
        margin-bottom: 32px;
        padding-bottom: 24px;
        border-bottom: 1px solid var(--border-light);
    }
    .article-header h1 {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--text-dark);
        margin-bottom: 16px;
        line-height: 1.3;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        font-size: 0.92rem;
        color: var(--text-muted);
        align-items: center;
    }
    .article-meta i { margin-right: 4px; color: var(--primary-light); }
    .article-meta .category-badge {
        display: inline-block;
        background: rgba(230, 57, 70, 0.12);
        color: var(--primary);
        padding: 3px 14px;
        border-radius: 30px;
        font-weight: 600;
        font-size: 0.85rem;
    }
    .article-meta .category-badge i { color: var(--primary); margin-right: 4px; }

    /* ===== Article Body ===== */
    .article-body {
        background: #fff;
        border-radius: var(--radius-md);
        padding: 40px 44px;
        box-shadow: var(--shadow-sm);
        line-height: 1.9;
        font-size: 1.05rem;
        color: var(--text-body);
    }
    .article-body h2, .article-body h3, .article-body h4 {
        margin-top: 1.8em;
        margin-bottom: 0.6em;
    }
    .article-body p { margin-bottom: 1.4em; }
    .article-body ul, .article-body ol {
        margin-bottom: 1.4em;
        padding-left: 1.6em;
    }
    .article-body ul { list-style: disc; }
    .article-body ol { list-style: decimal; }
    .article-body li { margin-bottom: 0.4em; }
    .article-body img { margin: 1.6em 0; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
    .article-body blockquote {
        border-left: 4px solid var(--primary);
        background: var(--bg-light);
        padding: 16px 24px;
        margin: 1.6em 0;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--text-muted);
        font-style: italic;
    }
    .article-body a { color: var(--primary); text-decoration: underline; }
    .article-body a:hover { color: var(--primary-dark); }

    /* ===== 文章缺失 ===== */
    .not-found-box {
        text-align: center;
        padding: 80px 20px;
        background: #fff;
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
    }
    .not-found-box i { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
    .not-found-box h2 { font-size: 1.8rem; color: var(--text-dark); margin-bottom: 12px; }
    .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
    .not-found-box .btn-home {
        display: inline-block;
        background: var(--primary);
        color: #fff;
        padding: 12px 36px;
        border-radius: 30px;
        font-weight: 600;
        transition: background var(--transition);
    }
    .not-found-box .btn-home:hover { background: var(--primary-dark); color: #fff; }

    /* ===== Sidebar / Related ===== */
    .sidebar-card {
        background: #fff;
        border-radius: var(--radius-md);
        padding: 28px;
        box-shadow: var(--shadow-sm);
        margin-bottom: 28px;
    }
    .sidebar-card h4 {
        font-size: 1.2rem;
        margin-bottom: 16px;
        border-left: 4px solid var(--primary);
        padding-left: 12px;
    }
    .related-list li {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
    }
    .related-list li:last-child { border-bottom: none; }
    .related-list a {
        display: flex;
        gap: 12px;
        align-items: flex-start;
        color: var(--text-body);
        transition: color var(--transition);
    }
    .related-list a:hover { color: var(--primary); }
    .related-list .related-title { font-weight: 600; font-size: 0.98rem; }
    .related-list .related-meta { font-size: 0.82rem; color: var(--text-light); }

    /* ===== CTA 区块 ===== */
    .article-cta {
        background: linear-gradient(135deg, var(--secondary), #2a4a7f);
        border-radius: var(--radius-lg);
        padding: 48px 40px;
        margin-top: 40px;
        text-align: center;
        color: #fff;
    }
    .article-cta h3 { color: #fff; font-size: 1.6rem; margin-bottom: 12px; }
    .article-cta p { color: rgba(255,255,255,0.85); font-size: 1.05rem; margin-bottom: 24px; }
    .article-cta .cta-btn {
        display: inline-block;
        background: var(--accent);
        color: #1a1a2e;
        padding: 14px 44px;
        border-radius: 30px;
        font-weight: 700;
        font-size: 1.05rem;
        transition: all var(--transition);
    }
    .article-cta .cta-btn:hover { background: #e09f5e; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,162,97,0.40); color: #1a1a2e; }

    /* ===== Site Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.85);
        padding: 60px 0 30px;
        margin-top: 60px;
    }
    .site-footer .container { padding: 0 24px; }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .header-logo { color: #fff; margin-bottom: 12px; }
    .footer-brand .header-logo i { color: var(--primary-light); }
    .footer-brand p { font-size: 0.92rem; color: rgba(255,255,255,0.65); line-height: 1.7; }
    .footer-col h5 {
        color: #fff;
        font-size: 1.05rem;
        margin-bottom: 16px;
        font-weight: 700;
    }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a {
        color: rgba(255,255,255,0.65);
        font-size: 0.92rem;
        transition: color var(--transition);
    }
    .footer-col ul li a:hover { color: var(--primary-light); }
    .footer-col ul li a i { margin-right: 6px; width: 18px; }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.12);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.88rem;
        color: rgba(255,255,255,0.50);
    }
    .footer-social { display: flex; gap: 14px; }
    .footer-social a {
        color: rgba(255,255,255,0.50);
        font-size: 1.2rem;
        transition: color var(--transition);
    }
    .footer-social a:hover { color: var(--primary-light); }

    /* ===== 响应式 ===== */
    @media screen and (max-width: 1024px) {
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        .article-header h1 { font-size: 1.9rem; }
        .article-body { padding: 30px 28px; }
    }
    @media screen and (max-width: 768px) {
        .header-top { flex-direction: column; align-items: stretch; gap: 10px; padding: 12px 16px; }
        .header-actions { justify-content: center; flex-wrap: wrap; }
        .header-search input { min-width: 120px; }
        .header-bottom { padding: 0 16px; }
        .nav-tabs { gap: 2px; }
        .nav-tab { padding: 8px 14px; font-size: 0.85rem; }
        .nav-tab i { display: none; }
        .main-wrap { padding: 24px 0 40px; }
        .article-header h1 { font-size: 1.6rem; }
        .article-meta { gap: 12px; font-size: 0.85rem; }
        .article-body { padding: 20px 18px; font-size: 0.98rem; }
        .article-cta { padding: 32px 20px; }
        .article-cta h3 { font-size: 1.3rem; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .sidebar-card { padding: 20px; }
        .not-found-box { padding: 40px 16px; }
    }
    @media screen and (max-width: 520px) {
        .header-actions .header-btn { padding: 6px 14px; font-size: 0.82rem; }
        .header-search input { min-width: 80px; }
        .header-search button { padding: 6px 12px; font-size: 0.82rem; }
        .nav-tab { padding: 6px 10px; font-size: 0.78rem; }
        .article-header h1 { font-size: 1.35rem; }
        .article-body { padding: 16px 14px; font-size: 0.95rem; }
        .article-cta { padding: 24px 16px; }
        .article-cta .cta-btn { padding: 10px 28px; font-size: 0.95rem; }
        .breadcrumb { font-size: 0.80rem; }
    }

    /* ===== Utility ===== */
    .mb-0 { margin-bottom: 0 !important; }
    .mt-0 { margin-top: 0 !important; }
    .gap-8 { gap: 8px; }
    .gap-12 { gap: 12px; }
    .flex { display: flex; }
    .flex-wrap { flex-wrap: wrap; }
    .align-center { align-items: center; }
    .justify-between { justify-content: space-between; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --bg-body: #f8f9fa;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-section-alt: #f0f2f5;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #7a7a9a;
            --text-light: #ffffff;
            --border-color: #e2e2f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 36px rgba(230, 57, 70, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            line-height: 1.3;
            color: var(--text-primary);
            font-weight: 700;
        }
        p {
            margin-top: 0;
            color: var(--text-secondary);
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media screen and (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 16px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--primary);
        }
        .header-logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            overflow: hidden;
            transition: var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
        }
        .header-search input {
            border: none;
            background: transparent;
            padding: 8px 16px;
            font-size: 0.9rem;
            color: var(--text-primary);
            min-width: 160px;
            outline: none;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search button {
            border: none;
            background: var(--primary);
            color: #fff;
            padding: 8px 18px;
            cursor: pointer;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .header-search button:hover {
            background: var(--primary-dark);
        }
        .header-btn {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .header-btn-outline {
            border: 1.5px solid var(--border-color);
            color: var(--text-secondary);
            background: transparent;
        }
        .header-btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .header-btn-solid {
            background: var(--primary);
            color: #fff;
            border: 1.5px solid var(--primary);
        }
        .header-btn-solid:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
        }

        .header-bottom {
            border-top: 1px solid var(--border-color);
            background: var(--bg-card);
            padding: 0 24px;
        }
        .nav-tabs {
            display: flex;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 8px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            border: 1px solid transparent;
        }
        .nav-tab:hover {
            background: rgba(230, 57, 70, 0.06);
            color: var(--primary);
        }
        .nav-tab.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .nav-tab.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .nav-tab i {
            font-size: 0.9rem;
        }

        @media screen and (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                padding: 10px 16px;
                gap: 10px;
            }
            .header-logo {
                font-size: 1.2rem;
            }
            .header-search input {
                min-width: 100px;
                padding: 6px 12px;
            }
            .header-search button {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .header-btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .header-actions {
                gap: 8px;
                width: 100%;
                justify-content: flex-end;
            }
            .header-bottom {
                padding: 0 16px;
            }
            .nav-tab {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }
        @media screen and (max-width: 520px) {
            .header-search input {
                min-width: 80px;
                font-size: 0.8rem;
            }
            .header-btn span {
                display: none;
            }
            .nav-tab {
                padding: 6px 12px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-tab i {
                font-size: 0.8rem;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 60%, #16213e 100%);
            padding: var(--spacing-lg) 0;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 162, 97, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            color: var(--text-light);
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 700px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-light);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
            color: var(--text-light);
        }
        .hero-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            display: block;
            line-height: 1.2;
            color: var(--accent);
        }
        .hero-stat-label {
            font-size: 0.85rem;
            opacity: 0.75;
            margin-top: 4px;
        }

        @media screen and (max-width: 768px) {
            .category-hero {
                padding: var(--spacing-md) 0;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing-lg) 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 32px;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .section-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        @media screen and (max-width: 768px) {
            .section {
                padding: var(--spacing-md) 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-sub {
                font-size: 0.95rem;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-section-alt);
        }
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-image img {
            transform: scale(1.05);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
            z-index: 2;
        }
        .card-date {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            backdrop-filter: blur(4px);
        }
        .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: var(--text-primary);
            text-decoration: none;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            flex: 1;
            line-height: 1.7;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
            margin-top: auto;
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-meta a {
            color: var(--text-muted);
        }
        .card-meta a:hover {
            color: var(--primary);
        }

        /* Featured card */
        .card-featured {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .card-featured:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .card-featured .card-image {
            aspect-ratio: auto;
            height: 100%;
            min-height: 320px;
        }
        .card-featured .card-body {
            padding: 32px;
            justify-content: center;
        }
        .card-featured .card-body h3 {
            font-size: 1.5rem;
        }
        .card-featured .card-body p {
            font-size: 1rem;
        }

        @media screen and (max-width: 768px) {
            .card-featured {
                grid-template-columns: 1fr;
            }
            .card-featured .card-image {
                min-height: 200px;
            }
            .card-featured .card-body {
                padding: 20px;
            }
            .card-featured .card-body h3 {
                font-size: 1.2rem;
            }
            .card-body h3 {
                font-size: 1.05rem;
            }
        }

        /* ===== Grid ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media screen and (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 768px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .grid-2 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media screen and (max-width: 520px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Tab Filters ===== */
        .filter-tabs {
            display: flex;
            gap: 8px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .filter-tab {
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-tab:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .filter-tab.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.25);
        }

        /* ===== Timeline / Schedule ===== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .schedule-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .schedule-time {
            text-align: center;
            min-width: 80px;
            flex-shrink: 0;
        }
        .schedule-time .date {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: block;
        }
        .schedule-time .time {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            display: block;
        }
        .schedule-vs {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            flex-shrink: 0;
            min-width: 50px;
            text-align: center;
        }
        .schedule-info {
            flex: 1;
        }
        .schedule-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .schedule-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .schedule-badge {
            flex-shrink: 0;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        .schedule-badge.live {
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
        }
        .schedule-badge.upcoming {
            background: rgba(26, 53, 87, 0.08);
            color: var(--secondary);
        }
        .schedule-badge.finished {
            background: rgba(122, 122, 154, 0.1);
            color: var(--text-muted);
        }

        @media screen and (max-width: 768px) {
            .schedule-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px;
            }
            .schedule-time {
                min-width: 60px;
            }
            .schedule-vs {
                min-width: 40px;
                font-size: 1rem;
            }
            .schedule-info h4 {
                font-size: 0.95rem;
            }
        }

        /* ===== Highlights List ===== */
        .highlight-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .highlight-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .highlight-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary-light);
        }
        .highlight-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: rgba(230, 57, 70, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
        }
        .highlight-text h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .highlight-text p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        @media screen and (max-width: 768px) {
            .highlight-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 100%);
            padding: var(--spacing-lg) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
            opacity: 0.4;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-btn {
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid transparent;
        }
        .cta-btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .cta-btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.35);
        }
        .cta-btn-secondary {
            background: transparent;
            color: var(--text-light);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .cta-btn-secondary:hover {
            border-color: var(--text-light);
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.05);
            transform: translateY(-2px);
        }

        @media screen and (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        @media screen and (max-width: 768px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.9rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-lg) 0 var(--spacing-md);
        }
        .site-footer .header-logo {
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .site-footer .header-logo:hover {
            color: var(--primary-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.1rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        @media screen and (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media screen and (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-secondary);
            font-weight: 500;
        }
        .breadcrumb .sep {
            color: var(--border-color);
            font-size: 0.75rem;
        }

        /* ===== Pagination ===== */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .pagination .current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: var(--spacing-sm);
        }
        .mt-2 {
            margin-top: var(--spacing-md);
        }
        .mt-3 {
            margin-top: var(--spacing-lg);
        }
        .mb-1 {
            margin-bottom: var(--spacing-sm);
        }
        .mb-2 {
            margin-bottom: var(--spacing-md);
        }
        .mb-3 {
            margin-bottom: var(--spacing-lg);
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }
        .badge-secondary {
            background: rgba(26, 53, 87, 0.08);
            color: var(--secondary);
        }
        .divider {
            height: 1px;
            background: var(--border-color);
            margin: var(--spacing-lg) 0;
        }

        /* ===== Foundation Overrides ===== */
        .grid-container {
            max-width: var(--max-width);
            padding-left: 24px;
            padding-right: 24px;
        }
        @media screen and (max-width: 768px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .cell {
            margin-bottom: 0;
        }
        .grid-x>.cell {
            padding-left: 0;
            padding-right: 0;
        }
        .grid-margin-x>.cell {
            margin-left: 0;
            margin-right: 0;
        }

/* roulang page: category2 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-dark: #1d1d1f;
            --text-body: #2c2c2e;
            --text-muted: #6c757d;
            --text-light: #f8f9fa;
            --border-color: #e5e7eb;
            --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, 0.1);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-top-height: 64px;
            --header-bottom-height: 52px;
        }

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

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

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

        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,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-fluid {
            max-width: 100%;
            padding: 0 24px;
        }

        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 56px 0;
        }

        .text-center {
            text-align: center;
        }
        .text-primary {
            color: var(--primary);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 48px;
            line-height: 1.6;
        }

        .divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px auto 24px;
        }
        .divider-left {
            margin: 16px 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            background: #fff;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.97);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-top-height);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 16px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.03em;
            text-decoration: none;
            flex-shrink: 0;
        }
        .header-logo i {
            color: var(--primary);
            font-size: 1.8rem;
            transition: var(--transition);
        }
        .header-logo:hover i {
            transform: scale(1.1) rotate(-6deg);
        }
        .header-logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-logo:hover {
            color: var(--text-dark);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 40px;
            padding: 0 6px 0 18px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            min-width: 200px;
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
        }
        .header-search input {
            border: none;
            background: transparent;
            padding: 9px 0;
            font-size: 0.9rem;
            color: var(--text-dark);
            outline: none;
            flex: 1;
            min-width: 60px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .header-search button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .header-search button:hover {
            background: var(--primary-dark);
            transform: scale(1.03);
        }

        .header-btn {
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .header-btn-outline {
            border: 1.5px solid var(--border-color);
            color: var(--text-dark);
            background: transparent;
        }
        .header-btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
        }
        .header-btn-solid {
            background: var(--primary);
            color: #fff;
            border: 1.5px solid var(--primary);
        }
        .header-btn-solid:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.3);
        }

        .header-bottom {
            border-top: 1px solid var(--border-color);
            background: #fff;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .nav-tabs {
            display: flex;
            gap: 4px;
            padding: 6px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            padding: 8px 22px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-tab i {
            font-size: 0.95rem;
        }
        .nav-tab:hover {
            color: var(--primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .nav-tab.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .nav-tab.active:hover {
            color: #fff;
            background: var(--primary-dark);
        }
        .nav-tab:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== Hero ===== */
        .hero-category {
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 60%, var(--bg-dark) 100%);
            padding: 80px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(69, 123, 157, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        .hero-category .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.2);
            color: var(--primary-light);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(230, 57, 70, 0.25);
        }
        .hero-category h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
        }
        .hero-category h1 span {
            color: var(--primary-light);
        }
        .hero-category p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }

        /* ===== Filters / Tags ===== */
        .filter-bar {
            background: #fff;
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
            position: sticky;
            top: 116px;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .filter-bar .filter-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .filter-tag {
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--bg-light);
            color: var(--text-body);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.05);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.25);
        }
        .filter-tag i {
            margin-right: 6px;
            font-size: 0.8rem;
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .article-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-light);
        }
        .article-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-card:hover .card-img img {
            transform: scale(1.06);
        }
        .article-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .article-card .card-img .card-difficulty {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 500;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .article-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-card .card-meta i {
            font-size: 0.75rem;
        }
        .article-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .article-card:hover h3 {
            color: var(--primary);
        }
        .article-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .article-card .card-footer .read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .article-card .card-footer .read-more:hover {
            gap: 10px;
            color: var(--primary-dark);
        }
        .article-card .card-footer .card-views {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Featured Section ===== */
        .featured-section {
            background: #fff;
        }
        .featured-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .featured-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .featured-card.featured-main {
            grid-row: span 2;
        }
        .featured-card .fc-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-light);
        }
        .featured-card.featured-main .fc-img {
            aspect-ratio: 16 / 10;
        }
        .featured-card .fc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-card:hover .fc-img img {
            transform: scale(1.05);
        }
        .featured-card .fc-img .fc-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--secondary);
            color: #fff;
            padding: 5px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            z-index: 2;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
        }
        .featured-card .fc-img .fc-duration {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
        }
        .featured-card .fc-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-card .fc-body .fc-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 8px;
        }
        .featured-card .fc-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .featured-card:hover .fc-body h3 {
            color: var(--primary);
        }
        .featured-card .fc-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }
        .featured-card .fc-body .fc-footer {
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .featured-card .fc-body .fc-footer .author {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .featured-card .fc-body .fc-footer .author i {
            color: var(--primary);
        }

        /* ===== Guide Steps / Roadmap ===== */
        .guide-steps {
            background: var(--bg-light);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .step-card .step-icon {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: #fff;
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.2);
            transition: var(--transition);
        }
        .step-card:hover .step-icon {
            transform: scale(1.08) rotate(-4deg);
        }
        .step-card .step-num {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.05em;
            margin-bottom: 6px;
        }
        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Equipment / Tools ===== */
        .equipment-section {
            background: #fff;
        }
        .equip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .equip-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 28px 20px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .equip-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: #fff;
            border-color: transparent;
        }
        .equip-card .equip-icon {
            font-size: 2.4rem;
            color: var(--primary);
            margin-bottom: 14px;
            transition: var(--transition);
        }
        .equip-card:hover .equip-icon {
            transform: scale(1.1);
        }
        .equip-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .equip-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.08);
        }
        .faq-item summary {
            padding: 20px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 28px 22px;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #16213e 60%, var(--bg-dark) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-btn {
            padding: 14px 36px;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .cta-btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 28px rgba(230, 57, 70, 0.3);
        }
        .cta-btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.4);
        }
        .cta-btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            background: transparent;
        }
        .cta-btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .header-logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .header-logo span {
            background: linear-gradient(135deg, #fff, #e0e0e0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            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: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Pagination ===== */
        .pagination-wrap {
            display: flex;
            justify-content: center;
            margin-top: 48px;
        }
        .pagination {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-body);
            background: #fff;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-decoration: none;
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
            transform: translateY(-2px);
        }
        .pagination .active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.25);
        }
        .pagination .dots {
            border: none;
            background: transparent;
            color: var(--text-muted);
            width: auto;
            padding: 0 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .featured-card.featured-main {
                grid-row: auto;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .equip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .hero-category h1 {
                font-size: 2.6rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 16px;
                gap: 10px;
            }
            .header-logo {
                font-size: 1.3rem;
            }
            .header-search {
                min-width: 140px;
                flex: 1;
            }
            .header-search input {
                font-size: 0.8rem;
            }
            .header-search button {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .header-btn {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .header-actions {
                gap: 8px;
                flex-wrap: wrap;
            }
            .header-bottom {
                padding: 0 16px;
            }
            .nav-tab {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
            .filter-bar {
                top: 108px;
                padding: 12px 0;
            }

            .hero-category {
                padding: 56px 0 48px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat .num {
                font-size: 1.5rem;
            }

            .section-padding {
                padding: 48px 0;
            }
            .section-padding-sm {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
                margin-bottom: 32px;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 24px 16px 20px;
            }
            .step-card .step-icon {
                width: 52px;
                height: 52px;
                font-size: 1.3rem;
            }
            .equip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .faq-item summary {
                padding: 16px 20px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 20px 18px;
                font-size: 0.9rem;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .pagination a,
            .pagination span {
                width: 38px;
                height: 38px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-top {
                padding: 10px 12px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .header-logo i {
                font-size: 1.3rem;
            }
            .header-search {
                min-width: 100px;
            }
            .header-search input {
                font-size: 0.75rem;
                padding: 6px 0;
            }
            .header-search button {
                padding: 5px 10px;
                font-size: 0.7rem;
            }
            .header-btn {
                padding: 5px 12px;
                font-size: 0.72rem;
            }
            .header-actions {
                gap: 6px;
            }
            .header-bottom {
                padding: 0 12px;
            }
            .nav-tab {
                padding: 5px 12px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .nav-tab i {
                font-size: 0.75rem;
            }

            .hero-category {
                padding: 40px 0 36px;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category p {
                font-size: 0.9rem;
            }
            .hero-stats {
                gap: 16px;
                flex-direction: column;
            }
            .hero-stat .num {
                font-size: 1.3rem;
            }

            .section-title {
                font-size: 1.3rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
            .section-padding {
                padding: 36px 0;
            }

            .card-grid {
                gap: 16px;
            }
            .article-card .card-body {
                padding: 16px 18px 18px;
            }
            .article-card h3 {
                font-size: 1rem;
            }
            .article-card .card-excerpt {
                font-size: 0.82rem;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .equip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .equip-card {
                padding: 20px 12px 16px;
            }
            .equip-card .equip-icon {
                font-size: 1.8rem;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .cta-btn {
                padding: 10px 22px;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .footer-grid {
                gap: 24px;
            }
            .footer-col h5 {
                font-size: 0.9rem;
            }
            .footer-col ul li a {
                font-size: 0.82rem;
            }
            .footer-bottom {
                font-size: 0.75rem;
            }
            .pagination a,
            .pagination span {
                width: 34px;
                height: 34px;
                font-size: 0.78rem;
            }
        }