/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --accent: #eab308;
            --bg-body: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --radius-sm: 0.5rem;
            --shadow-card: 0 4px 20px rgba(0,0,0,0.06);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.7; -webkit-font-smoothing: antialiased; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; transition: var(--transition); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .section-padding { padding: 5rem 0; }
        .section-title { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 0.75rem; letter-spacing: -0.02em; }
        .section-subtitle { text-align: center; color: var(--text-muted); font-size: 1.05rem; max-width: 640px; margin: 0 auto 3rem auto; }
        .glass-header { background: rgba(255,255,255,0.72); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom: 1px solid rgba(255,255,255,0.3); box-shadow: 0 4px 30px rgba(0,0,0,0.06); transition: var(--transition); }
        .glass-header.scrolled { background: rgba(255,255,255,0.95); box-shadow: 0 4px 30px rgba(0,0,0,0.1); }
        .nav-link { position: relative; font-weight: 500; padding: 0.5rem 0; color: var(--text-main); transition: var(--transition); }
        .nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); border-radius: 2px; }
        .nav-link:hover::after, .nav-link.active::after { width: 100%; }
        .nav-link.active { color: var(--primary); }
        .btn-primary { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--primary); color: #fff; padding: 0.75rem 2rem; border-radius: 9999px; font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 14px rgba(37,99,235,0.35); }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,0.45); }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline { display: inline-flex; align-items: center; gap: 0.5rem; background: transparent; color: var(--primary); padding: 0.7rem 1.8rem; border-radius: 9999px; font-weight: 600; font-size: 1rem; border: 2px solid var(--primary); cursor: pointer; transition: var(--transition); }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .btn-accent { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--accent); color: #0f172a; padding: 0.75rem 2rem; border-radius: 9999px; font-weight: 600; font-size: 1rem; border: none; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 14px rgba(234,179,8,0.4); }
        .btn-accent:hover { background: #ca8a04; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(234,179,8,0.5); }
        .card { background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-card); padding: 1.5rem; transition: var(--transition); border: 1px solid var(--border-light); }
        .card:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(0,0,0,0.1); }
        .badge { display: inline-block; background: var(--primary); color: #fff; font-size: 0.75rem; font-weight: 600; padding: 0.25rem 0.75rem; border-radius: 9999px; letter-spacing: 0.02em; }
        .badge-accent { background: var(--accent); color: #0f172a; }
        .badge-soft { background: #dbeafe; color: var(--primary-dark); }
        .tag { display: inline-block; background: #f1f5f9; color: var(--text-muted); font-size: 0.8rem; padding: 0.2rem 0.8rem; border-radius: 9999px; transition: var(--transition); cursor: default; }
        .tag:hover { background: #e2e8f0; }
        .stat-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); line-height: 1.2; letter-spacing: -0.02em; }
        .stat-label { font-size: 0.95rem; color: var(--text-muted); margin-top: 0.25rem; }
        .faq-item { border-bottom: 1px solid var(--border-light); padding: 1.25rem 0; }
        .faq-question { font-weight: 600; font-size: 1.05rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; user-select: none; }
        .faq-question:hover { color: var(--primary); }
        .faq-answer { color: var(--text-muted); margin-top: 0.75rem; line-height: 1.8; display: none; }
        .faq-answer.open { display: block; }
        .footer-link { color: #94a3b8; transition: var(--transition); }
        .footer-link:hover { color: #fff; }
        .hero-gradient { background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #0f172a 100%); position: relative; overflow: hidden; }
        .hero-gradient::before { content: ''; position: absolute; top: -50%; right: -30%; width: 70%; height: 200%; background: radial-gradient(ellipse, rgba(37,99,235,0.15) 0%, transparent 70%); pointer-events: none; }
        .hero-gradient::after { content: ''; position: absolute; bottom: -30%; left: -20%; width: 60%; height: 180%; background: radial-gradient(ellipse, rgba(234,179,8,0.08) 0%, transparent 70%); pointer-events: none; }
        .floating-shape { position: absolute; border-radius: 50%; background: rgba(255,255,255,0.03); pointer-events: none; }
        .grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
        @media (max-width: 1024px) { .grid-3 { grid-template-columns: 1fr 1fr; } .grid-4 { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 768px) {
            .section-padding { padding: 3rem 0; }
            .section-title { font-size: 1.6rem; }
            .grid-2 { grid-template-columns: 1fr; }
            .grid-3 { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr; }
            .stat-number { font-size: 2rem; }
            .container { padding: 0 1rem; }
            .mobile-menu { display: none; }
            .mobile-menu.open { display: flex; flex-direction: column; background: rgba(255,255,255,0.98); backdrop-filter: blur(18px); position: absolute; top: 100%; left: 0; right: 0; padding: 1.5rem; border-bottom: 1px solid var(--border-light); box-shadow: 0 12px 40px rgba(0,0,0,0.1); }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 2rem !important; }
            .hero-subtitle { font-size: 1rem !important; }
            .btn-primary, .btn-accent { width: 100%; justify-content: center; }
            .flex-wrap-mobile { flex-wrap: wrap; }
        }
        .animate-fade-in { animation: fadeIn 0.8s ease-out forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .animate-delay-1 { animation-delay: 0.1s; }
        .animate-delay-2 { animation-delay: 0.2s; }
        .animate-delay-3 { animation-delay: 0.3s; }
        .animate-delay-4 { animation-delay: 0.4s; }
        .hero-card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
        @media (max-width:640px){ .hero-card-grid { grid-template-columns: 1fr; } }
        .cms-list-item { padding: 1rem 0; border-bottom: 1px solid var(--border-light); transition: var(--transition); }
        .cms-list-item:last-child { border-bottom: none; }
        .cms-list-item:hover { padding-left: 0.5rem; }
        .cms-list-title { font-weight: 600; font-size: 1.05rem; color: var(--text-main); transition: var(--transition); }
        .cms-list-title:hover { color: var(--primary); }
        .cms-list-meta { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.25rem; display: flex; gap: 1rem; flex-wrap: wrap; }
        .cms-empty { text-align: center; padding: 2rem 0; color: var(--text-muted); font-size: 1rem; }
        .category-card { display: block; background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-card); padding: 2rem 1.5rem; text-align: center; transition: var(--transition); border: 1px solid var(--border-light); }
        .category-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.12); }
        .category-icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem auto; font-size: 1.5rem; }
        .category-title { font-weight: 700; font-size: 1.15rem; margin-bottom: 0.4rem; }
        .category-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }
        .cta-section { background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%); position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,0.2) 0%, transparent 60%); pointer-events: none; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; margin-top: 2.5rem; text-align: center; color: #64748b; font-size: 0.85rem; }

/* roulang page: article */
:root {
            --primary: #e53e3e;
            --primary-dark: #c53030;
            --primary-light: #f56565;
            --secondary: #1a202c;
            --accent: #f6ad55;
            --bg-light: #f7fafc;
            --bg-card: #ffffff;
            --text-dark: #1a202c;
            --text-muted: #718096;
            --text-light: #a0aec0;
            --border-light: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            line-height: 1.7;
            background: var(--bg-light);
            color: var(--text-dark);
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button { cursor: pointer; font-family: inherit; }
        input, textarea { font-family: inherit; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        @media (max-width: 640px) { .container { padding: 0 16px; } }

        /* Glass header */
        .glass-header {
            background: rgba(255,255,255,0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226,232,240,0.6);
            box-shadow: 0 1px 8px rgba(0,0,0,0.04);
        }
        .glass-header.scrolled {
            background: rgba(255,255,255,0.96);
            box-shadow: 0 4px 24px rgba(0,0,0,0.08);
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            padding: 4px 0;
            transition: var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover { color: var(--primary); }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active { color: var(--primary); }
        .nav-link.active::after { width: 100%; }

        /* Mobile menu */
        .mobile-menu {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(16px);
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transform: translateY(-110%);
            opacity: 0;
            transition: var(--transition);
            z-index: 40;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .mobile-menu.open {
            transform: translateY(0);
            opacity: 1;
        }
        @media (min-width: 768px) { .mobile-menu { display: none; } }

        /* Article hero */
        .article-hero {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 50%, #1a202c 100%);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(229,62,62,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(246,173,85,0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Content area */
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 2rem 0 1rem;
            color: var(--text-dark);
            line-height: 1.35;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 1.5rem 0 0.75rem;
            color: var(--text-dark);
        }
        .article-content p {
            margin-bottom: 1.25rem;
            color: #4a5568;
            line-height: 1.8;
            font-size: 1.05rem;
        }
        .article-content ul, .article-content ol {
            margin: 1rem 0 1.5rem 1.5rem;
            color: #4a5568;
            line-height: 1.8;
        }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: #fff5f5;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #2d3748;
            font-style: normal;
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover { color: var(--primary-dark); }
        .article-content img {
            border-radius: var(--radius);
            margin: 1.5rem auto;
            box-shadow: var(--shadow);
        }
        .article-content strong { font-weight: 600; color: var(--text-dark); }

        /* Tags */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            background: #edf2f7;
            color: #4a5568;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag:hover { background: var(--primary); color: #fff; }

        /* Related card */
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        /* Footer */
        .footer-link {
            color: #a0aec0;
            transition: var(--transition);
        }
        .footer-link:hover { color: var(--primary-light); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.5rem;
            text-align: center;
            color: #718096;
            font-size: 0.85rem;
        }

        /* Breadcrumb */
        .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.9rem; color: #a0aec0; }
        .breadcrumb a { color: #a0aec0; }
        .breadcrumb a:hover { color: #fff; }
        .breadcrumb .sep { color: #4a5568; }
        .breadcrumb .current { color: #f7fafc; }

        /* Skeleton shimmer */
        .skeleton {
            background: linear-gradient(90deg, #edf2f7 25%, #e2e8f0 50%, #edf2f7 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: var(--radius-sm);
        }
        @keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

        /* Responsive */
        @media (max-width: 768px) {
            .article-hero { padding: 100px 0 40px; }
            .article-content h2 { font-size: 1.35rem; }
            .article-content p { font-size: 0.98rem; }
        }
        @media (max-width: 520px) {
            .article-hero { padding: 90px 0 32px; }
            .article-content h2 { font-size: 1.2rem; }
            .breadcrumb { font-size: 0.8rem; }
        }

        /* Print */
        @media print {
            .glass-header, footer, .related-section { display: none; }
            .article-hero { padding: 40px 0; background: #fff !important; color: #000 !important; }
            .article-hero * { color: #000 !important; }
        }

/* roulang page: category1 */
:root {
            --primary: #f59e0b;
            --primary-dark: #d97706;
            --primary-light: #fbbf24;
            --primary-gradient: linear-gradient(135deg, #f59e0b, #f97316);
            --bg-body: #f8fafc;
            --text-dark: #0f172a;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-card: 1rem;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
            background: var(--bg-body);
            color: var(--text-dark);
            line-height: 1.6;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        /* Glass Header */
        .glass-header {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }
        .glass-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            border-bottom-color: rgba(226, 232, 240, 0.6);
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: #334155;
            padding: 0.25rem 0;
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2.5px;
            background: var(--primary-gradient);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary-dark);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: #0f172a;
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--primary-gradient);
        }
        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 1.5rem;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
            border-radius: 0 0 1.5rem 1.5rem;
        }
        .mobile-menu.open {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .mobile-menu .nav-link {
            font-size: 1.05rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .mobile-menu .nav-link:last-child {
            border-bottom: none;
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            border-radius: 9999px;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            background: transparent;
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--primary);
            border-radius: 9999px;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.25);
        }
        /* Cards */
        .card-guide {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 2rem 1.5rem;
            transition: var(--transition);
            border: 1px solid rgba(226, 232, 240, 0.5);
        }
        .card-guide:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 158, 11, 0.15);
        }
        .card-step {
            background: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 1.75rem 1.5rem;
            transition: var(--transition);
            border-left: 4px solid var(--primary);
            border: 1px solid rgba(226, 232, 240, 0.4);
            border-left-width: 4px;
        }
        .card-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .card-faq {
            background: #fff;
            border-radius: 1rem;
            padding: 1.5rem 1.75rem;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .card-faq:hover {
            border-color: rgba(245, 158, 11, 0.2);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.05);
        }
        .badge-guide {
            display: inline-block;
            padding: 0.3rem 1rem;
            background: rgba(245, 158, 11, 0.12);
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 9999px;
            letter-spacing: 0.02em;
        }
        .footer-link {
            color: #94a3b8;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-link:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        /* Hero section */
        .hero-guide {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-guide::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 60%;
            height: 120%;
            background: radial-gradient(circle at 70% 50%, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-guide::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 50%;
            height: 100%;
            background: radial-gradient(circle at 30% 80%, rgba(249, 115, 22, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        /* Stats */
        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(4px);
        }
        /* Section spacing */
        .section-padding {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        @media (max-width: 767px) {
            .section-padding {
                padding-top: 3rem;
                padding-bottom: 3rem;
            }
        }
        /* CTA section */
        .cta-gradient {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-gradient::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 70%;
            height: 150%;
            background: radial-gradient(circle at 60% 50%, rgba(245, 158, 11, 0.10) 0%, transparent 60%);
            pointer-events: none;
        }
        /* Timeline line */
        .timeline-line {
            position: relative;
        }
        .timeline-line::before {
            content: '';
            position: absolute;
            left: 1.25rem;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), rgba(245, 158, 11, 0.15));
            border-radius: 4px;
        }
        @media (max-width: 767px) {
            .timeline-line::before {
                left: 0.75rem;
            }
        }
        /* Focus styles */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 6px;
        }
        /* Image placeholder style */
        .img-placeholder {
            background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
            border-radius: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 0.9rem;
            min-height: 200px;
        }
        /* Responsive grid helpers */
        .grid-guide {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .grid-guide {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .grid-guide {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .grid-steps {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .grid-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .grid-steps {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .grid-faq {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.25rem;
        }
        @media (min-width: 768px) {
            .grid-faq {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        /* Tag style */
        .tag {
            display: inline-block;
            padding: 0.2rem 0.9rem;
            background: #f1f5f9;
            color: #475569;
            font-size: 0.8rem;
            border-radius: 9999px;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag:hover {
            background: rgba(245, 158, 11, 0.12);
            color: var(--primary-dark);
        }
        /* Hero content */
        .hero-title {
            font-size: clamp(2.2rem, 6vw, 3.8rem);
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -0.02em;
        }
        .hero-sub {
            font-size: clamp(1rem, 2vw, 1.2rem);
            line-height: 1.7;
            color: #cbd5e1;
            max-width: 600px;
        }
        /* Section title */
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
        }
        /* Utility */
        .text-primary {
            color: var(--primary);
        }
        .bg-primary {
            background: var(--primary);
        }
        .bg-primary-light {
            background: rgba(245, 158, 11, 0.08);
        }
        .border-primary {
            border-color: var(--primary);
        }
        .shadow-soft {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --primary-bg: #eff6ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fbbf24;
            --bg-body: #ffffff;
            --bg-soft: #f8fafc;
            --bg-card: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 0.375rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 4px 10px -6px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 40px -12px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 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: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6,
        p {
            margin: 0;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        /* ===== Glass Header ===== */
        .glass-header {
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(226, 232, 240, 0.5);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }
        .glass-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .glass-header .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.25rem 0;
            transition: color var(--transition);
        }
        .glass-header .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--primary);
            border-radius: 4px;
            transition: width var(--transition);
        }
        .glass-header .nav-link:hover {
            color: var(--primary);
        }
        .glass-header .nav-link:hover::after {
            width: 100%;
        }
        .glass-header .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .glass-header .nav-link.active::after {
            width: 100%;
        }

        /* ===== Mobile Menu ===== */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-left: 1px solid var(--border-color);
            padding: 6rem 2rem 2rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            transition: right 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            box-shadow: -8px 0 32px rgba(0, 0, 0, 0.08);
            z-index: 60;
            overflow-y: auto;
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-menu .nav-link {
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 0.75rem 1rem;
            border-radius: var(--radius-md);
            transition: background var(--transition), color var(--transition);
        }
        .mobile-menu .nav-link:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .mobile-menu .nav-link.active {
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.3);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            z-index: 55;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }
        .mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== Hero ===== */
        .hero-safety {
            padding: 8rem 0 4rem;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-safety::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 80%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-safety .hero-shield {
            position: absolute;
            right: -5%;
            top: 50%;
            transform: translateY(-50%);
            font-size: 28rem;
            color: rgba(255, 255, 255, 0.03);
            pointer-events: none;
            line-height: 1;
            user-select: none;
        }
        @media (max-width: 768px) {
            .hero-safety {
                padding: 7rem 0 3rem;
            }
            .hero-safety .hero-shield {
                font-size: 14rem;
                right: -10%;
                top: 60%;
            }
        }

        /* ===== Cards & Blocks ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .card-safety {
            border-left: 4px solid var(--primary);
        }
        .card-safety.warning {
            border-left-color: var(--accent);
        }
        .card-safety.danger {
            border-left-color: #ef4444;
        }
        .card-safety.success {
            border-left-color: #10b981;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.2rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: var(--primary-bg);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, 0.15);
        }
        .tag.warning {
            background: #fffbeb;
            color: #d97706;
            border-color: rgba(245, 158, 11, 0.2);
        }
        .tag.danger {
            background: #fef2f2;
            color: #dc2626;
            border-color: rgba(239, 68, 68, 0.15);
        }
        .tag.success {
            background: #f0fdf4;
            color: #16a34a;
            border-color: rgba(22, 163, 74, 0.15);
        }

        .badge-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 2rem;
            height: 2rem;
            padding: 0 0.6rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
        }
        .badge-number.accent {
            background: var(--accent);
        }

        /* ===== Timeline ===== */
        .timeline-item {
            position: relative;
            padding-left: 2.5rem;
            padding-bottom: 2rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0.7rem;
            top: 0.4rem;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
        }
        .timeline-item:last-child::before {
            display: none;
        }
        .timeline-item .timeline-dot {
            position: absolute;
            left: 0;
            top: 0.4rem;
            width: 1.4rem;
            height: 1.4rem;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.6rem;
        }
        .timeline-item .timeline-dot.accent {
            background: var(--accent);
            box-shadow: 0 0 0 2px var(--accent);
        }
        .timeline-item .timeline-dot.success {
            background: #10b981;
            box-shadow: 0 0 0 2px #10b981;
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: var(--bg-card);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            user-select: none;
            transition: background var(--transition);
        }
        .faq-item .faq-question:hover {
            background: var(--bg-soft);
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 1.5rem;
            height: 1.5rem;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.25rem;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.2) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        /* ===== Footer ===== */
        .footer-link {
            color: #94a3b8;
            transition: color var(--transition);
            position: relative;
        }
        .footer-link:hover {
            color: #ffffff;
        }
        .footer-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--primary-light);
            transition: width var(--transition);
        }
        .footer-link:hover::after {
            width: 100%;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.15);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* ===== Utility ===== */
        .section-padding {
            padding: 5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.6;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3);
        }
        .btn-white {
            background: #ffffff;
            color: var(--text-primary);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
        }

        /* ===== Responsive Grid ===== */
        .grid-safety {
            display: grid;
            gap: 1.5rem;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        }
        @media (max-width: 640px) {
            .grid-safety {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-fade-in-up-d1 {
            animation: fadeInUp 0.6s ease 0.1s forwards;
        }
        .animate-fade-in-up-d2 {
            animation: fadeInUp 0.6s ease 0.2s forwards;
        }
        .animate-fade-in-up-d3 {
            animation: fadeInUp 0.6s ease 0.3s forwards;
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2.5px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== Smooth scroll offset ===== */
        .scroll-offset {
            scroll-margin-top: 6rem;
        }

        /* ===== Skeleton / placeholder ===== */
        .skeleton {
            background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
            background-size: 200% 100%;
            animation: skeleton-shimmer 1.8s infinite;
            border-radius: var(--radius-sm);
        }
        @keyframes skeleton-shimmer {
            0% {
                background-position: 200% 0;
            }
            100% {
                background-position: -200% 0;
            }
        }

        /* Print */
        @media print {
            .glass-header {
                position: relative !important;
                background: #fff !important;
                box-shadow: none !important;
            }
            .mobile-menu,
            .mobile-overlay {
                display: none !important;
            }
            .cta-section {
                background: #f8fafc !important;
                color: #0f172a !important;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --accent: #f59e0b;
            --bg-light: #f8fafc;
            --text-dark: #0f172a;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            margin: 0;
            padding: 0;
            background: #ffffff;
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .glass-header {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.6);
            box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
        }
        .glass-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: #334155;
            padding: 0.25rem 0;
            transition: var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .mobile-menu {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 1rem 1.5rem 1.5rem;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            display: none;
            flex-direction: column;
            gap: 0.5rem;
            z-index: 40;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            padding: 0.6rem 0;
            font-size: 1.05rem;
            border-bottom: 1px solid #f1f5f9;
        }
        .hero-section {
            position: relative;
            padding: 8rem 0 4rem;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1e40af 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(37, 99, 235, 0.25) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 50%, rgba(245, 158, 11, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-pattern {
            position: absolute;
            inset: 0;
            background-image: 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-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(37, 99, 235, 0.3);
            color: #93c5fd;
            padding: 0.4rem 1rem;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
        }
        .card-img {
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            object-fit: cover;
            width: 100%;
            height: 200px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            padding: 0.7rem 1.8rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--primary);
            padding: 0.7rem 1.8rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2);
        }
        .tag {
            display: inline-block;
            padding: 0.25rem 0.8rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: #eff6ff;
            color: var(--primary);
            border: 1px solid #bfdbfe;
        }
        .tag-accent {
            background: #fffbeb;
            color: #d97706;
            border-color: #fde68a;
        }
        .tag-green {
            background: #ecfdf5;
            color: #059669;
            border-color: #a7f3d0;
        }
        .tag-red {
            background: #fef2f2;
            color: #dc2626;
            border-color: #fecaca;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text-dark);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 1.25rem 0;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-answer {
            color: var(--text-muted);
            line-height: 1.7;
            padding-top: 0.75rem;
            font-size: 0.95rem;
        }
        .footer-link {
            color: #94a3b8;
            transition: var(--transition);
            position: relative;
        }
        .footer-link:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(148, 163, 184, 0.15);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }
        .alert-card {
            border-left: 4px solid var(--primary);
            background: #f8fafc;
            padding: 1.25rem 1.5rem;
            border-radius: 0 0.75rem 0.75rem 0;
        }
        .alert-card.warning {
            border-left-color: #f59e0b;
            background: #fffbeb;
        }
        .alert-card.danger {
            border-left-color: #dc2626;
            background: #fef2f2;
        }
        .alert-card.success {
            border-left-color: #059669;
            background: #ecfdf5;
        }
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.75rem;
            }
            .hero-section {
                padding: 7rem 0 3rem;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-section {
                padding: 6rem 0 2.5rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .card-img {
                height: 180px;
            }
            .nav-link {
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.3rem;
            }
            .hero-section {
                padding: 5rem 0 2rem;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 0.6rem 1.4rem;
                font-size: 0.85rem;
            }
            .card-img {
                height: 160px;
            }
        }
        @media (min-width: 769px) {
            #mobile-menu {
                display: none !important;
            }
        }
        .grid-gap {
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .grid-gap {
                gap: 2rem;
            }
        }
        .fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .delay-100 {
            animation-delay: 0.1s;
        }
        .delay-200 {
            animation-delay: 0.2s;
        }
        .delay-300 {
            animation-delay: 0.3s;
        }