/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #3b82f6;
            --accent-hover: #2563eb;
            --accent-light: #dbeafe;
            --bg-body: #ffffff;
            --bg-alt: #f8fafc;
            --bg-card: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(15,23,42,0.06);
            --shadow: 0 4px 16px rgba(15,23,42,0.08);
            --shadow-lg: 0 12px 40px rgba(15,23,42,0.12);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        *,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* 导航 */
        .navbar {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }
        .navbar .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .nav-logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px; }
        .nav-logo i { color: var(--accent); font-size: 1.6rem; }
        .nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
        .nav-links a {
            font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); padding: 6px 0; border-bottom: 2px solid transparent;
            transition: var(--transition); letter-spacing: 0.3px;
        }
        .nav-links a:hover,
        .nav-links a.active { color: var(--accent); border-bottom-color: var(--accent); }
        .nav-links a.active { font-weight: 600; }
        .nav-search {
            display: flex; align-items: center; background: var(--bg-alt); border: 1px solid var(--border);
            border-radius: 40px; padding: 0 16px; height: 40px; min-width: 200px; transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }
        .nav-search input { background: none; border: none; outline: none; color: var(--text-primary); width: 100%; font-size: 0.85rem; padding: 0 8px; }
        .nav-search input::placeholder { color: var(--text-muted); }
        .nav-search i { color: var(--text-muted); font-size: 0.9rem; }
        .nav-cta {
            display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #fff; padding: 9px 22px;
            border-radius: 40px; font-weight: 600; font-size: 0.85rem; transition: var(--transition); letter-spacing: 0.3px;
        }
        .nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(59,130,246,0.35); }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--primary); cursor: pointer; padding: 4px; }
        @media (max-width: 900px) {
            .nav-links, .nav-search, .nav-cta { display: none; }
            .nav-toggle { display: block; }
            .navbar .container { height: 60px; }
            .navbar.mobile-open .nav-links,
            .navbar.mobile-open .nav-search,
            .navbar.mobile-open .nav-cta { display: flex; }
            .navbar.mobile-open .nav-links { flex-direction: column; gap: 16px; padding: 20px 0; }
            .navbar.mobile-open .nav-search { width: 100%; margin: 8px 0; }
            .navbar.mobile-open .nav-cta { width: 100%; justify-content: center; }
        }

        /* Hero */
        .hero {
            position: relative; min-height: 86vh; display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #0f172a 100%);
            overflow: hidden; padding: 60px 0;
        }
        .hero-bg {
            position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover; background-position: center; opacity: 0.18; mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(59,130,246,0.12) 0%, transparent 70%);
        }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 820px; padding: 0 24px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px; background: rgba(59,130,246,0.15); color: #93c5fd;
            padding: 6px 20px; border-radius: 40px; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.5px; border: 1px solid rgba(59,130,246,0.25); margin-bottom: 28px;
        }
        .hero-badge i { font-size: 0.7rem; }
        .hero h1 { font-size: clamp(2.6rem, 7vw, 4.4rem); font-weight: 800; color: #fff; line-height: 1.15; letter-spacing: -1px; margin-bottom: 24px; }
        .hero h1 span { background: linear-gradient(135deg, #60a5fa, #3b82f6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .hero p { font-size: 1.15rem; color: #cbd5e1; max-width: 640px; margin: 0 auto 36px; line-height: 1.7; }
        .hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .hero-btn-primary {
            display: inline-flex; align-items: center; gap: 10px; background: var(--accent); color: #fff; padding: 14px 34px;
            border-radius: 40px; font-weight: 600; font-size: 1rem; transition: var(--transition); box-shadow: 0 4px 20px rgba(59,130,246,0.3);
        }
        .hero-btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(59,130,246,0.4); }
        .hero-btn-secondary {
            display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.08); color: #e2e8f0; padding: 14px 34px;
            border-radius: 40px; font-weight: 500; font-size: 1rem; border: 1px solid rgba(255,255,255,0.12); transition: var(--transition);
        }
        .hero-btn-secondary:hover { background: rgba(255,255,255,0.15); color: #fff; }
        .hero-stats { display: flex; justify-content: center; gap: 48px; margin-top: 48px; flex-wrap: wrap; }
        .hero-stat { text-align: center; }
        .hero-stat-number { font-size: 2rem; font-weight: 800; color: #fff; line-height: 1.2; }
        .hero-stat-number i { color: var(--accent); font-size: 1.6rem; margin-right: 4px; }
        .hero-stat-label { font-size: 0.8rem; color: #94a3b8; margin-top: 4px; letter-spacing: 0.5px; }
        @media (max-width: 768px) {
            .hero { min-height: 70vh; padding: 40px 0; }
            .hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-number { font-size: 1.6rem; }
        }

        /* 通用板块 */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-title { text-align: center; margin-bottom: 48px; }
        .section-title h2 { font-size: clamp(1.8rem, 4vw, 2.4rem); font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
        .section-title p { color: var(--text-secondary); max-width: 560px; margin: 12px auto 0; font-size: 1.05rem; }
        .section-title .accent-line { width: 48px; height: 4px; background: var(--accent); border-radius: 4px; margin: 16px auto 0; }

        /* 卡片网格 */
        .grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
        .grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
        @media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2,1fr); } }
        @media (max-width: 768px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; gap: 20px; } }

        .card {
            background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border);
            box-shadow: var(--shadow-sm); transition: var(--transition); overflow: hidden;
        }
        .card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--accent); }
        .card-img { width: 100%; height: 200px; object-fit: cover; display: block; }
        .card-body { padding: 24px; }
        .card-body h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
        .card-body p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
        .card-body .tag {
            display: inline-block; background: var(--accent-light); color: var(--accent); padding: 2px 12px;
            border-radius: 20px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.3px; margin-bottom: 10px;
        }
        .card-footer { padding: 12px 24px 20px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-light); }
        .card-footer .date { font-size: 0.8rem; color: var(--text-muted); }
        .card-footer .read-more { font-size: 0.85rem; color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
        .card-footer .read-more:hover { gap: 10px; }

        /* 分类入口 */
        .cat-card {
            background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border);
            padding: 32px 28px; text-align: center; transition: var(--transition); box-shadow: var(--shadow-sm);
            position: relative; overflow: hidden;
        }
        .cat-card::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
            background: linear-gradient(90deg, var(--accent), #60a5fa); opacity: 0; transition: var(--transition);
        }
        .cat-card:hover::before { opacity: 1; }
        .cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .cat-card .icon { font-size: 2.8rem; color: var(--accent); margin-bottom: 16px; }
        .cat-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
        .cat-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 16px; }
        .cat-card .btn-outline {
            display: inline-flex; align-items: center; gap: 8px; padding: 8px 24px; border: 1px solid var(--accent);
            color: var(--accent); border-radius: 40px; font-weight: 600; font-size: 0.85rem; transition: var(--transition);
        }
        .cat-card .btn-outline:hover { background: var(--accent); color: #fff; }

        /* 数据块 */
        .data-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
        @media (max-width: 768px) { .data-grid { grid-template-columns: repeat(2,1fr); } }
        .data-item {
            background: var(--bg-card); border-radius: var(--radius); padding: 28px 20px; text-align: center;
            border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: var(--transition);
        }
        .data-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
        .data-item .number { font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .data-item .label { font-size: 0.9rem; color: var(--text-secondary); margin-top: 6px; font-weight: 500; }
        .data-item .desc { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

        /* 特点 */
        .feature-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 32px; }
        @media (max-width: 768px) { .feature-grid { grid-template-columns: 1fr; } }
        .feature-item { display: flex; gap: 20px; align-items: flex-start; }
        .feature-item .icon { flex-shrink: 0; width: 52px; height: 52px; background: var(--accent-light); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 1.4rem; }
        .feature-item h4 { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
        .feature-item p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

        /* FAQ */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg-card); transition: var(--transition); }
        .faq-item:hover { border-color: var(--accent); }
        .faq-question {
            padding: 18px 24px; font-weight: 600; font-size: 1rem; color: var(--primary); cursor: pointer;
            display: flex; justify-content: space-between; align-items: center; background: none; border: none; width: 100%; text-align: left;
        }
        .faq-question i { transition: var(--transition); color: var(--text-muted); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent); }
        .faq-answer { padding: 0 24px 18px; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; display: none; }
        .faq-item.open .faq-answer { display: block; }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0f172a, #1e293b); border-radius: var(--radius-lg);
            padding: 60px 48px; text-align: center; position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.06; mix-blend-mode: overlay;
        }
        .cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: #fff; position: relative; z-index: 1; }
        .cta-section p { color: #cbd5e1; max-width: 520px; margin: 12px auto 28px; font-size: 1rem; position: relative; z-index: 1; }
        .cta-section .btn {
            display: inline-flex; align-items: center; gap: 10px; background: var(--accent); color: #fff; padding: 14px 36px;
            border-radius: 40px; font-weight: 600; font-size: 1rem; transition: var(--transition); position: relative; z-index: 1;
        }
        .cta-section .btn:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(59,130,246,0.4); }

        /* 页脚 */
        .footer { background: var(--primary); color: #cbd5e1; padding: 48px 0 24px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
        @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
        .footer-brand .logo { font-size: 1.4rem; font-weight: 800; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
        .footer-brand .logo i { color: var(--accent); }
        .footer-brand p { font-size: 0.85rem; line-height: 1.7; max-width: 300px; }
        .footer-col h4 { color: #fff; font-weight: 600; font-size: 0.95rem; margin-bottom: 16px; letter-spacing: 0.5px; }
        .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
        .footer-col ul a { font-size: 0.85rem; color: #94a3b8; transition: var(--transition); }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.8rem; color: #64748b; }
        @media (max-width: 520px) { .footer-bottom { flex-direction: column; text-align: center; } }

        /* 文章内容区 */
        .article-content { font-size: 1rem; color: var(--text-secondary); line-height: 1.9; }
        .article-content h2, .article-content h3 { color: var(--primary); margin-top: 32px; margin-bottom: 12px; font-weight: 700; }
        .article-content p { margin-bottom: 16px; }
        .article-content img { border-radius: var(--radius); margin: 20px 0; }

        /* 响应式辅助 */
        @media (max-width: 520px) {
            .section { padding: 48px 0; }
            .section-title { margin-bottom: 32px; }
            .hero-btn-primary, .hero-btn-secondary { width: 100%; justify-content: center; }
            .cta-section { padding: 40px 24px; }
        }

        /* 加载骨架 */
        .skeleton { background: linear-gradient(90deg, var(--border) 25%, var(--bg-alt) 50%, var(--border) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: var(--radius-sm); }
        @keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* roulang page: article */
:root {
            --primary: #b91c1c;
            --primary-light: #dc2626;
            --primary-dark: #991b1b;
            --primary-bg: #fef2f2;
            --primary-border: #fecaca;
            --secondary: #1e293b;
            --secondary-light: #334155;
            --secondary-dark: #0f172a;
            --secondary-bg: #f1f5f9;
            --accent: #d97706;
            --accent-light: #f59e0b;
            --accent-dark: #b45309;
            --accent-bg: #fffbeb;
            --text: #0f172a;
            --text-light: #64748b;
            --text-muted: #94a3b8;
            --bg: #ffffff;
            --bg-alt: #f8fafc;
            --border: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.08);
            --transition: all 0.25s ease;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', 'Noto Sans SC', system-ui, sans-serif; color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }

        /* Navbar */
        .navbar { background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; padding: 0; height: 68px; }
        .navbar .container { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
        .nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.35rem; color: var(--primary); letter-spacing: -0.3px; white-space: nowrap; }
        .nav-logo i { font-size: 1.5rem; color: var(--primary); }
        .nav-logo:hover { color: var(--primary-dark); }
        .nav-links { display: flex; list-style: none; gap: 4px; margin: 0; padding: 0; }
        .nav-links li a { padding: 8px 18px; border-radius: var(--radius-sm); font-size: 0.95rem; font-weight: 500; color: var(--text); transition: var(--transition); white-space: nowrap; }
        .nav-links li a:hover { background: var(--primary-bg); color: var(--primary); }
        .nav-links li a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(185,28,28,0.25); }
        .nav-search { display: flex; align-items: center; background: var(--bg-alt); border: 1px solid var(--border); border-radius: 50px; padding: 0 16px; height: 40px; flex: 1; max-width: 280px; transition: var(--transition); }
        .nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(185,28,28,0.1); }
        .nav-search i { color: var(--text-light); font-size: 0.9rem; margin-right: 10px; }
        .nav-search input { border: none; background: transparent; outline: none; font-size: 0.9rem; width: 100%; color: var(--text); }
        .nav-search input::placeholder { color: var(--text-muted); }
        .nav-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff; padding: 10px 22px; border-radius: 50px; font-size: 0.9rem; font-weight: 600; white-space: nowrap; transition: var(--transition); box-shadow: 0 4px 16px rgba(185,28,28,0.25); }
        .nav-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(185,28,28,0.3); color: #fff; }
        .nav-cta i { font-size: 0.85rem; }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text); cursor: pointer; padding: 4px 8px; border-radius: var(--radius-sm); }
        .nav-toggle:hover { background: var(--bg-alt); }

        /* Article Hero */
        .article-hero { padding: 48px 0 32px; background: linear-gradient(135deg, var(--primary-bg) 0%, #fff 80%); border-bottom: 1px solid var(--border); }
        .article-hero .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--text-light); margin-bottom: 20px; flex-wrap: wrap; }
        .article-hero .breadcrumb a:hover { color: var(--primary); }
        .article-hero .breadcrumb span { color: var(--text-muted); }
        .article-hero .breadcrumb .current { color: var(--text); font-weight: 500; }
        .article-hero .category-badge { display: inline-block; background: var(--primary); color: #fff; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.3px; margin-bottom: 16px; }
        .article-hero h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.25; color: var(--text); margin-bottom: 16px; letter-spacing: -0.5px; }
        .article-hero .meta { display: flex; align-items: center; gap: 20px; color: var(--text-light); font-size: 0.95rem; flex-wrap: wrap; }
        .article-hero .meta i { margin-right: 6px; font-size: 0.85rem; }
        .article-hero .meta span { display: flex; align-items: center; }
        .article-hero .desc { font-size: 1.1rem; color: var(--text-light); line-height: 1.7; margin-top: 16px; padding: 16px 20px; background: rgba(255,255,255,0.7); border-left: 4px solid var(--primary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

        /* Article Content */
        .article-main { padding: 40px 0 60px; }
        .article-body { font-size: 1.05rem; line-height: 1.85; color: var(--text); }
        .article-body p { margin-bottom: 1.4em; }
        .article-body h2 { font-size: 1.6rem; font-weight: 700; margin-top: 2em; margin-bottom: 0.8em; color: var(--text); letter-spacing: -0.3px; }
        .article-body h3 { font-size: 1.25rem; font-weight: 600; margin-top: 1.6em; margin-bottom: 0.6em; color: var(--secondary); }
        .article-body ul, .article-body ol { margin-bottom: 1.4em; padding-left: 1.6em; }
        .article-body li { margin-bottom: 0.5em; }
        .article-body blockquote { border-left: 4px solid var(--primary); padding: 16px 20px; margin: 1.6em 0; background: var(--primary-bg); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: var(--secondary-light); }
        .article-body img { margin: 1.6em auto; border-radius: var(--radius); box-shadow: var(--shadow); }
        .article-body a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-body pre { background: var(--secondary-dark); color: #f1f5f9; padding: 20px 24px; border-radius: var(--radius-sm); overflow-x: auto; font-size: 0.9rem; margin: 1.4em 0; }
        .article-body code { font-family: 'JetBrains Mono', monospace; font-size: 0.9em; }
        .article-body table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 0.95rem; }
        .article-body th, .article-body td { padding: 12px 16px; border: 1px solid var(--border); text-align: left; }
        .article-body th { background: var(--secondary-bg); font-weight: 600; color: var(--secondary); }

        /* Article Footer (tags, share) */
        .article-footer-bar { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags .tag { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.8rem; font-weight: 500; background: var(--bg-alt); color: var(--text-light); border: 1px solid var(--border); transition: var(--transition); }
        .article-tags .tag:hover { background: var(--primary-bg); color: var(--primary); border-color: var(--primary-border); }
        .article-share { display: flex; align-items: center; gap: 10px; color: var(--text-light); font-size: 0.9rem; }
        .article-share a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--bg-alt); border: 1px solid var(--border); color: var(--text-light); transition: var(--transition); }
        .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* Related Posts */
        .related-section { padding: 48px 0; background: var(--bg-alt); }
        .related-section .section-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 32px; text-align: center; letter-spacing: -0.3px; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .related-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border); }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .related-card .card-img { height: 180px; overflow: hidden; background: var(--secondary-bg); }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: 20px; }
        .related-card .card-body .cat { font-size: 0.75rem; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
        .related-card .card-body h3 { font-size: 1.1rem; font-weight: 600; line-height: 1.4; margin-bottom: 8px; }
        .related-card .card-body h3 a { color: var(--text); }
        .related-card .card-body h3 a:hover { color: var(--primary); }
        .related-card .card-body .meta { font-size: 0.85rem; color: var(--text-light); }

        /* FAQ Section */
        .faq-section { padding: 56px 0; background: #fff; }
        .faq-section .section-title { font-size: 1.5rem; font-weight: 700; text-align: center; margin-bottom: 12px; letter-spacing: -0.3px; }
        .faq-section .section-sub { text-align: center; color: var(--text-light); margin-bottom: 36px; font-size: 1.05rem; }
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
        .faq-item summary { padding: 16px 20px; font-weight: 600; font-size: 1rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); list-style: none; }
        .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(--text-light); transition: var(--transition); }
        .faq-item[open] summary::after { transform: rotate(180deg); }
        .faq-item[open] summary { background: var(--primary-bg); color: var(--primary); }
        .faq-item .faq-answer { padding: 0 20px 16px; color: var(--text-light); line-height: 1.7; font-size: 0.95rem; }

        /* CTA Section */
        .cta-section { padding: 48px 0; background: linear-gradient(135deg, var(--secondary-dark), var(--secondary)); color: #fff; text-align: center; }
        .cta-section h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.3px; }
        .cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.8); margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
        .cta-section .cta-btn { display: inline-flex; align-items: center; gap: 10px; background: var(--accent); color: #fff; padding: 14px 36px; border-radius: 50px; font-size: 1rem; font-weight: 600; transition: var(--transition); box-shadow: 0 8px 24px rgba(217,119,6,0.3); }
        .cta-section .cta-btn:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(217,119,6,0.4); color: #fff; }

        /* Footer */
        .footer { background: var(--secondary-dark); color: rgba(255,255,255,0.85); padding: 48px 0 24px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
        .footer-brand .logo { font-size: 1.4rem; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
        .footer-brand .logo i { color: var(--primary-light); }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; max-width: 300px; }
        .footer-col h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
        .footer-col ul { list-style: none; padding: 0; margin: 0; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.4); }

        /* Responsive */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .navbar .container { gap: 12px; }
            .nav-search { max-width: 200px; }
        }
        @media (max-width: 768px) {
            .navbar { height: 60px; }
            .navbar .container { height: 60px; }
            .nav-links { display: none; }
            .nav-search { display: none; }
            .nav-cta { display: none; }
            .nav-toggle { display: block; }
            .navbar.mobile-open .nav-links { display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 12px 24px; gap: 4px; box-shadow: var(--shadow); }
            .navbar.mobile-open .nav-search { display: flex; position: absolute; top: 60px; right: 24px; max-width: 200px; background: #fff; border: 1px solid var(--border); }
            .navbar.mobile-open .nav-cta { display: inline-flex; position: absolute; top: 60px; right: 24px; margin-top: 8px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-hero { padding: 32px 0 24px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .article-footer-bar { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-hero .desc { font-size: 1rem; padding: 12px 16px; }
            .article-body { font-size: 1rem; }
            .cta-section h2 { font-size: 1.3rem; }
            .cta-section .cta-btn { padding: 12px 28px; font-size: 0.9rem; }
            .related-card .card-img { height: 140px; }
            .faq-item summary { font-size: 0.9rem; padding: 14px 16px; }
        }

/* roulang page: category1 */
:root {
            --primary: #dc2626;
            --primary-light: #fca5a5;
            --primary-dark: #991b1b;
            --primary-bg: #fef2f2;
            --accent: #1e293b;
            --accent-light: #475569;
            --accent-dark: #0f172a;
            --neutral: #f8fafc;
            --border: #e2e8f0;
            --text: #334155;
            --text-muted: #94a3b8;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            color: var(--text);
            background: #ffffff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font: inherit;
            transition: var(--transition);
        }

        input:focus-visible,
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Navbar ===== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            padding: 0 24px;
            height: 68px;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 0;
        }

        .nav-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .nav-logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 0;
        }

        .nav-links li a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--accent-light);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }

        .nav-links li a.active {
            background: var(--primary);
            color: #ffffff;
            box-shadow: 0 2px 8px rgba(220, 38, 38, 0.25);
        }

        .nav-links li a.active:hover {
            background: var(--primary-dark);
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--neutral);
            border: 1px solid var(--border);
            border-radius: 100px;
            padding: 0 16px;
            flex: 1;
            max-width: 280px;
            margin: 0 20px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
        }

        .nav-search i {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-right: 10px;
        }

        .nav-search input {
            border: none;
            background: transparent;
            padding: 10px 0;
            font-size: 0.85rem;
            width: 100%;
            outline: none;
            color: var(--text);
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .nav-cta i {
            font-size: 0.8rem;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(220, 38, 38, 0.3);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--accent);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--neutral);
        }

        @media (max-width: 1024px) {
            .nav-search {
                max-width: 200px;
                margin: 0 12px;
            }
            .nav-links li a {
                padding: 8px 12px;
                font-size: 0.82rem;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .navbar {
                height: 60px;
                padding: 0 16px;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .navbar.mobile-open .nav-links {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-search {
                max-width: 160px;
                margin: 0 8px;
                padding: 0 12px;
            }
            .nav-search input {
                padding: 8px 0;
                font-size: 0.8rem;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .nav-cta span {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .navbar {
                padding: 0 12px;
                height: 56px;
            }
            .nav-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
            .nav-search {
                max-width: 120px;
                margin: 0 4px;
                padding: 0 10px;
            }
            .nav-search i {
                display: none;
            }
            .nav-search input {
                padding: 6px 0;
                font-size: 0.75rem;
            }
            .nav-cta {
                padding: 6px 12px;
                font-size: 0.7rem;
            }
            .nav-links {
                top: 56px;
                padding: 12px 16px;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--accent);
            color: #cbd5e1;
            padding: 60px 0 0;
        }

        .footer .container {
            padding: 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .logo i {
            color: var(--primary-light);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            opacity: 0.7;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            opacity: 1;
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.82rem;
            opacity: 0.55;
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (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%;
            }
        }

        @media (max-width: 520px) {
            .footer {
                padding: 40px 0 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            padding: 120px 0 64px;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(220, 38, 38, 0.15) 0%, transparent 70%);
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .page-hero h1 i {
            color: var(--primary-light);
            margin-right: 12px;
        }

        .page-hero p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }

        .page-hero .hero-badge i {
            color: var(--primary-light);
        }

        .page-hero .hero-stats {
            display: flex;
            gap: 32px;
            justify-content: center;
            margin-top: 24px;
            flex-wrap: wrap;
        }

        .page-hero .hero-stats .stat {
            text-align: center;
        }

        .page-hero .hero-stats .stat .num {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            display: block;
        }

        .page-hero .hero-stats .stat .label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 100px 0 48px;
                min-height: 260px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .page-hero .hero-stats {
                gap: 20px;
            }
            .page-hero .hero-stats .stat .num {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.85rem;
            }
            .page-hero .hero-stats .stat .num {
                font-size: 1.2rem;
            }
            .page-hero .hero-stats .stat .label {
                font-size: 0.7rem;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

        .section-dark {
            background: var(--accent);
            color: #fff;
        }

        .section-light {
            background: var(--neutral);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

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

        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 40px;
        }

        .section-dark .section-sub {
            color: rgba(255, 255, 255, 0.5);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-sub {
            margin: 8px auto 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.25rem;
            }
            .section-sub {
                font-size: 0.85rem;
            }
        }

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

        .card-grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }

        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        @media (max-width: 1024px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .card-grid-2 {
                grid-template-columns: 1fr;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== News Card ===== */
        .news-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .news-card .card-img {
            aspect-ratio: 16 / 10;
            background: var(--neutral);
            position: relative;
            overflow: hidden;
        }

        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .news-card:hover .card-img img {
            transform: scale(1.04);
        }

        .news-card .card-img .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 8px rgba(220, 38, 38, 0.25);
        }

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

        .news-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .news-card .card-body .meta i {
            margin-right: 4px;
        }

        .news-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .card-body p {
            font-size: 0.88rem;
            color: var(--text);
            opacity: 0.75;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-card .card-body .card-footer-link {
            margin-top: 14px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .news-card .card-body .card-footer-link i {
            font-size: 0.75rem;
            transition: var(--transition);
        }

        .news-card .card-body .card-footer-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .news-card .card-body {
                padding: 16px 18px 18px;
            }
            .news-card .card-body h3 {
                font-size: 0.95rem;
            }
            .news-card .card-body p {
                font-size: 0.82rem;
            }
        }

        /* ===== Tag Pill ===== */
        .tag-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-pill {
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
        }

        .tag-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-bg);
        }

        .tag-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(220, 38, 38, 0.2);
        }

        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 32px;
            max-width: 720px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }

        .timeline-item {
            position: relative;
            padding-bottom: 32px;
        }

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

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item .date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            display: block;
            margin-bottom: 4px;
        }

        .timeline-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 4px;
        }

        .timeline-item p {
            font-size: 0.88rem;
            color: var(--text);
            opacity: 0.7;
            line-height: 1.6;
        }

        .section-dark .timeline::before {
            background: rgba(255, 255, 255, 0.15);
        }

        .section-dark .timeline-item h4 {
            color: #fff;
        }

        .section-dark .timeline-item p {
            color: rgba(255, 255, 255, 0.6);
        }

        .section-dark .timeline-item::before {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px var(--primary-light);
        }

        /* ===== FAQ ===== */
        .faq-grid {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item summary {
            padding: 18px 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--accent);
            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: 0.75rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item summary:hover {
            background: var(--neutral);
        }

        .faq-item[open] summary {
            border-bottom: 1px solid var(--border);
            background: var(--neutral);
        }

        .faq-item .faq-body {
            padding: 16px 24px 20px;
            font-size: 0.9rem;
            color: var(--text);
            opacity: 0.8;
            line-height: 1.7;
        }

        .section-dark .faq-item {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .section-dark .faq-item summary {
            color: #fff;
        }

        .section-dark .faq-item summary:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .section-dark .faq-item[open] summary {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.15);
        }

        .section-dark .faq-item .faq-body {
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 520px) {
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-item .faq-body {
                padding: 12px 16px 16px;
                font-size: 0.82rem;
            }
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }

        .cta-box .container {
            position: relative;
            z-index: 2;
            padding: 0;
        }

        .cta-box h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-box p {
            font-size: 1rem;
            opacity: 0.85;
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-box .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            color: var(--primary);
            padding: 14px 36px;
            border-radius: 100px;
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .cta-box .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            background: var(--neutral);
        }

        @media (max-width: 768px) {
            .cta-box {
                padding: 40px 28px;
            }
            .cta-box h2 {
                font-size: 1.5rem;
            }
            .cta-box p {
                font-size: 0.9rem;
            }
            .cta-box .cta-btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .cta-box {
                padding: 32px 20px;
            }
            .cta-box h2 {
                font-size: 1.25rem;
            }
            .cta-box .cta-btn {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
        }

        /* ===== Featured Article ===== */
        .featured-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .featured-card .feat-img {
            aspect-ratio: 4 / 3;
            background: var(--neutral);
            overflow: hidden;
        }

        .featured-card .feat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .featured-card:hover .feat-img img {
            transform: scale(1.04);
        }

        .featured-card .feat-body {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card .feat-body .feat-tag {
            display: inline-block;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .featured-card .feat-body h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 10px;
            line-height: 1.3;
        }

        .featured-card .feat-body p {
            font-size: 0.92rem;
            color: var(--text);
            opacity: 0.7;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .featured-card .feat-body .feat-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .featured-card .feat-body .feat-meta i {
            margin-right: 4px;
        }

        @media (max-width: 768px) {
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .feat-img {
                aspect-ratio: 16 / 10;
            }
            .featured-card .feat-body {
                padding: 24px 28px;
            }
            .featured-card .feat-body h3 {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 520px) {
            .featured-card .feat-body {
                padding: 18px 20px;
            }
            .featured-card .feat-body h3 {
                font-size: 1rem;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 16px 0 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb i {
            font-size: 0.6rem;
            color: var(--text-muted);
        }

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

        @media (max-width: 520px) {
            .breadcrumb {
                font-size: 0.78rem;
            }
        }

        /* ===== Loading Skeleton ===== */
        .skeleton {
            background: linear-gradient(90deg, var(--neutral) 25%, #e2e8f0 50%, var(--neutral) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.4s infinite;
            border-radius: var(--radius-sm);
        }

        @keyframes shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--neutral);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--text-muted);
            border-radius: 100px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-light);
        }

/* roulang page: category2 */
:root {
            --primary: #dc2626;
            --primary-hover: #b91c1c;
            --accent: #1e293b;
            --bg-body: #fafafa;
            --text-body: #1e293b;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 10px 25px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* Navbar */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            box-shadow: var(--shadow-sm);
            height: 68px;
            display: flex;
            align-items: center;
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 1rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--accent);
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .nav-logo i {
            color: var(--primary);
            font-size: 1.4rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            padding: 0.5rem 1rem;
            border-radius: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--accent);
            background: rgba(30, 41, 59, 0.06);
        }
        .nav-links li a.active {
            color: var(--primary);
            background: rgba(220, 38, 38, 0.08);
            font-weight: 600;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: #f1f5f9;
            border-radius: 2rem;
            padding: 0.35rem 1rem 0.35rem 0.9rem;
            border: 1px solid transparent;
            transition: all var(--transition);
            flex: 1;
            max-width: 220px;
        }
        .nav-search:focus-within {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
        }
        .nav-search i {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            padding: 0.35rem 0;
            font-size: 0.85rem;
            color: var(--text-body);
            width: 100%;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.82rem;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            background: var(--primary);
            color: #fff;
            padding: 0.5rem 1.25rem;
            border-radius: 2rem;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--accent);
            cursor: pointer;
            padding: 0.25rem;
            flex-shrink: 0;
        }
        @media (max-width: 900px) {
            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 1rem 1.25rem;
                gap: 0.25rem;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.3s ease;
            }
            .navbar.mobile-open .nav-links {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links li a {
                padding: 0.7rem 1rem;
                font-size: 1rem;
                width: 100%;
            }
            .nav-search {
                max-width: 160px;
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .navbar .container {
                gap: 0.5rem;
            }
            .nav-logo {
                font-size: 1.05rem;
            }
            .nav-logo i {
                font-size: 1.15rem;
            }
            .nav-search {
                max-width: 120px;
                padding: 0.25rem 0.7rem 0.25rem 0.6rem;
            }
            .nav-search input {
                font-size: 0.78rem;
            }
            .nav-cta {
                font-size: 0.75rem;
                padding: 0.35rem 0.8rem;
            }
            .nav-cta span {
                display: none;
            }
        }

        /* Hero Banner */
        .guide-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            overflow: hidden;
        }
        .guide-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .guide-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 60%, rgba(220, 38, 38, 0.12), transparent 70%);
        }
        .guide-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 3rem 1.25rem;
        }
        .guide-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .guide-hero h1 i {
            color: #fca5a5;
        }
        .guide-hero p {
            font-size: clamp(1rem, 2vw, 1.2rem);
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }
        .guide-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(220, 38, 38, 0.2);
            border: 1px solid rgba(220, 38, 38, 0.3);
            color: #fca5a5;
            padding: 0.4rem 1.2rem;
            border-radius: 2rem;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* Section spacing */
        .section-pad {
            padding: 4.5rem 0;
        }
        .section-pad-sm {
            padding: 2.5rem 0;
        }
        @media (max-width: 640px) {
            .section-pad {
                padding: 3rem 0;
            }
            .section-pad-sm {
                padding: 1.8rem 0;
            }
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -0.01em;
            margin-bottom: 0.5rem;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 640px;
            line-height: 1.7;
        }

        /* Cards */
        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 240, 0.5);
            overflow: hidden;
            transition: all var(--transition);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(220, 38, 38, 0.15);
        }
        .guide-card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #e2e8f0;
        }
        .guide-card .card-body {
            padding: 1.5rem;
        }
        .guide-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: var(--accent);
        }
        .guide-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .guide-card .card-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 0.2rem 0.7rem;
            border-radius: 2rem;
            margin-bottom: 0.6rem;
        }

        /* Step / Timeline */
        .step-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.5rem 0;
            border-bottom: 1px solid var(--border-light);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 4px 10px rgba(220, 38, 38, 0.2);
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 0.25rem;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 1.25rem 1.5rem;
            margin-bottom: 0.75rem;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(220, 38, 38, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--accent);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: var(--primary);
            font-size: 0.85rem;
            transition: transform 0.3s;
        }
        .faq-item[open] summary i {
            transform: rotate(90deg);
        }
        .faq-item .faq-answer {
            margin-top: 0.75rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            padding-left: 1.2rem;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            mix-blend-mode: overlay;
        }
        .cta-block .container {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto 1.5rem;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            padding: 0.75rem 2rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-btn:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(220, 38, 38, 0.35);
            color: #fff;
        }
        .cta-btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .cta-btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        /* Footer */
        .footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 1.5rem;
        }
        .footer .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer .logo i {
            color: var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Responsive grid for guide cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 900px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
        }

        /* misc */
        .tag-sm {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: #f1f5f9;
            color: var(--text-muted);
            padding: 0.25rem 0.75rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
        }
        .tag-sm i {
            color: var(--primary);
        }
        .divider {
            height: 1px;
            background: var(--border-light);
            margin: 2.5rem 0;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .text-primary {
            color: var(--primary);
        }
        .bg-soft {
            background: #f8fafc;
        }
        .rounded-2xl {
            border-radius: var(--radius-lg);
        }
        .shadow-card {
            box-shadow: var(--shadow-sm);
        }
        .hover-lift {
            transition: all var(--transition);
        }
        .hover-lift:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }