/* roulang page: index */
/* =============================================
            VIETNAMESE CASINO & GAME BÀI – DESIGN SYSTEM
            Style: Velvet Obsidian & VIP Sovereign (Style C)
            Theme: The Golden Dragon's Lair (Theme 4)
        ============================================= */
        :root {
            /* Core Palette */
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1a1d23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --accent-red: #b91c1c;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-gold: rgba(212, 175, 55, 0.3);
            --border-soft: #2a2d34;
            --shadow-gold: 0 4px 24px rgba(212, 175, 55, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --font-sans: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: Georgia, 'Times New Roman', serif;
            --transition-base: 0.2s ease-in-out;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color var(--transition-base);
        }

        a:hover {
            color: #f0d870;
        }

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

        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0 20px;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 6px;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
        }

        .nav-links a.active,
        .nav-links a:hover {
            color: var(--accent-gold);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            border: none;
            color: #0B0C0E;
            padding: 9px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 28px rgba(212, 175, 55, 0.45);
            color: #0B0C0E;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Hero */
        .hero {
            background-image: url('/assets/images/backpic/back-6.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 100px 0 90px;
            text-align: left;
            border-bottom: 1px solid var(--border-gold);
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 12, 14, 0.78);
            background: linear-gradient(90deg, rgba(11, 12, 14, 0.92) 0%, rgba(11, 12, 14, 0.65) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.15);
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.4px;
        }

        .hero h1 {
            font-size: 2.9rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 20px;
            font-family: var(--font-serif);
        }

        .hero h1 span {
            color: var(--accent-gold);
        }

        .hero-desc {
            color: var(--text-secondary);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            color: #0B0C0E;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 10px 28px rgba(212, 175, 55, 0.35);
            transition: all var(--transition-base);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(212, 175, 55, 0.5);
            color: #0B0C0E;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 28px;
        }

        .stat-item h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .stat-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .hero-visual {
            background: rgba(20, 22, 27, 0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 30px;
            backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-visual img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-gold);
        }

        /* Section Shared */
        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
            font-family: var(--font-serif);
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 40px;
            max-width: 700px;
        }

        /* Security Banner */
        .security-strip {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 32px 0;
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .security-item i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .security-item h4 {
            font-size: 1rem;
            font-weight: 600;
        }

        /* Checklist */
        .checklist-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .check-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            display: flex;
            align-items: flex-start;
            gap: 18px;
            transition: border var(--transition-base);
        }

        .check-card:hover {
            border-color: var(--accent-gold);
        }

        .check-card i {
            color: var(--accent-gold);
            font-size: 1.5rem;
            margin-top: 3px;
        }

        /* Compliance Badges */
        .badges-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: flex-start;
        }

        .badge {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: 40px;
            padding: 12px 26px;
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .badge i {
            color: var(--accent-gold);
        }

        /* Disclaimers / Boundaries */
        .boundary-box {
            background: var(--bg-secondary);
            border-left: 4px solid var(--accent-gold);
            padding: 30px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }

        /* News CMS */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            border: 1px solid var(--border-soft);
        }

        .news-card img {
            width: 160px;
            object-fit: cover;
        }

        .news-body {
            padding: 20px;
        }

        .news-body h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .news-body .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Trust */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .trust-card {
            background: var(--bg-card);
            padding: 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
            text-align: left;
        }

        .trust-card i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-soft);
            padding: 20px 0;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
        }

        .faq-answer {
            margin-top: 12px;
            color: var(--text-secondary);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 30px;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-soft);
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #D4AF37, #8B6914);
            border-radius: 50%;
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 24px;
            cursor: pointer;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .checklist-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card img {
                width: 100%;
                height: 180px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1a1d23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --accent-red: #b91c1c;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-gold: rgba(212, 175, 55, 0.3);
            --border-soft: #2a2d34;
            --shadow-gold: 0 4px 24px rgba(212, 175, 55, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --font-sans: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: Georgia, 'Times New Roman', serif;
            --transition-base: 0.2s ease-in-out;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color var(--transition-base);
        }

        a:hover {
            color: #f0d870;
        }

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

        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0 20px;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 6px;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
        }

        .nav-links a.active,
        .nav-links a:hover {
            color: var(--accent-gold);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            border: none;
            color: #0B0C0E;
            padding: 9px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 28px rgba(212, 175, 55, 0.45);
            color: #0B0C0E;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Article Hero Banner */
        .article-hero {
            background-image: url('/assets/images/backpic/back-7.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 80px 0 60px;
            border-bottom: 1px solid var(--border-gold);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 12, 14, 0.82);
            background: linear-gradient(180deg, rgba(11, 12, 14, 0.88) 0%, rgba(20, 22, 27, 0.75) 100%);
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .article-category {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 5px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .article-date {
            color: var(--text-muted);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-date i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 14px;
            max-width: 900px;
        }

        .article-excerpt {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 750px;
        }

        /* Article Content */
        .article-main {
            padding: 60px 0;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 50px;
            align-items: start;
        }

        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-gold);
        }

        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 32px 0 14px;
            line-height: 1.3;
            border-left: 4px solid var(--accent-amber);
            padding-left: 16px;
        }

        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 24px 0 10px;
            line-height: 1.4;
        }

        .article-body p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            text-align: justify;
        }

        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 20px;
            color: var(--text-secondary);
        }

        .article-body li {
            margin-bottom: 8px;
            line-height: 1.6;
        }

        .article-body strong {
            color: var(--accent-gold);
            font-weight: 600;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            border: 1px solid var(--border-soft);
        }

        .article-body blockquote {
            border-left: 3px solid var(--accent-amber);
            background: rgba(212, 175, 55, 0.05);
            padding: 16px 22px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.9rem;
        }

        .article-body table th {
            background: var(--bg-secondary);
            color: var(--accent-gold);
            padding: 12px 14px;
            text-align: left;
            font-weight: 600;
            border-bottom: 2px solid var(--border-gold);
        }

        .article-body table td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--border-soft);
            color: var(--text-secondary);
        }

        .article-body table tr:hover td {
            background: rgba(212, 175, 55, 0.04);
        }

        .not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
        }

        .not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .not-found p {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .btn-back {
            display: inline-block;
            background: var(--accent-gold);
            color: #0B0C0E;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
        }

        .btn-back:hover {
            background: #e5c34b;
            color: #0B0C0E;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 175, 55, 0.35);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 90px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-soft);
            margin-bottom: 24px;
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-gold);
        }

        .sidebar-card ul {
            list-style: none;
        }

        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-soft);
        }

        .sidebar-card ul li:last-child {
            border-bottom: none;
        }

        .sidebar-card ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-base);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card ul li a:hover {
            color: var(--accent-gold);
        }

        .sidebar-card ul li a i {
            font-size: 0.7rem;
            color: var(--accent-amber);
        }

        .cta-sidebar {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.12) 0%, rgba(180, 83, 9, 0.08) 100%);
            border: 1px solid var(--border-gold);
            text-align: center;
            padding: 28px 20px;
        }

        .cta-sidebar h4 {
            border-bottom: none;
            margin-bottom: 10px;
        }

        .cta-sidebar p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .btn-cta-side {
            display: block;
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            color: #0B0C0E;
            padding: 11px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            text-align: center;
            transition: all var(--transition-base);
        }

        .btn-cta-side:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
            color: #0B0C0E;
        }

        /* Related Section */
        .related-section {
            padding: 60px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
        }

        .related-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 30px;
            text-align: left;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: all var(--transition-base);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(212, 175, 55, 0.2);
            border-color: var(--border-gold);
        }

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .related-card-body {
            padding: 18px;
        }

        .related-card-body h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .related-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .btn-read {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-read:hover {
            color: #f0d870;
        }

        /* CTA Section */
        .cta-section {
            padding: 70px 0;
            background-image: url('/assets/images/backpic/back-8.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 12, 14, 0.85);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            color: #0B0C0E;
            padding: 14px 42px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4);
            transition: all var(--transition-base);
        }

        .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(212, 175, 55, 0.55);
            color: #0B0C0E;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 30px;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-grid h4,
        .footer-grid h5 {
            color: var(--accent-gold);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .footer-grid p {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-grid ul li {
            list-style: none;
            margin-bottom: 6px;
        }

        .footer-grid ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-base);
        }

        .footer-grid ul li a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-soft);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 100px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #14161B 0%, #0B0C0E 100%);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
            transition: all var(--transition-base);
            opacity: 0.82;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 32px rgba(212, 175, 55, 0.5);
            color: #f0d870;
        }

        .fab:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                position: static;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.97);
                padding: 20px;
                border-bottom: 1px solid var(--border-gold);
                gap: 16px;
                z-index: 99;
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .article-hero h1 {
                font-size: 1.8rem;
            }

            .article-body {
                padding: 24px;
            }

            .article-body h2 {
                font-size: 1.4rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }

            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 7px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .article-hero {
                padding: 50px 0 30px;
            }

            .article-hero h1 {
                font-size: 1.5rem;
            }

            .article-body {
                padding: 18px;
            }

            .article-body h2 {
                font-size: 1.2rem;
            }

            .article-body h3 {
                font-size: 1.1rem;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .btn-cta-large {
                padding: 12px 28px;
                font-size: 0.9rem;
            }

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1a1d23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --accent-red: #b91c1c;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-gold: rgba(212, 175, 55, 0.3);
            --border-soft: #2a2d34;
            --shadow-gold: 0 4px 24px rgba(212, 175, 55, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --font-sans: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: Georgia, 'Times New Roman', serif;
            --transition-base: 0.2s ease-in-out;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color var(--transition-base);
        }

        a:hover {
            color: #f0d870;
        }

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

        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0 20px;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 6px;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
        }

        .nav-links a.active,
        .nav-links a:hover {
            color: var(--accent-gold);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            border: none;
            color: #0B0C0E;
            padding: 9px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 28px rgba(212, 175, 55, 0.45);
            color: #0B0C0E;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Category Page Specific */
        .cat-hero {
            background-image: url('/assets/images/backpic/back-4.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 80px 0 70px;
            border-bottom: 1px solid var(--border-gold);
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 12, 14, 0.92) 0%, rgba(11, 12, 14, 0.7) 100%);
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cat-hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .cat-hero-content h1 span {
            color: var(--accent-gold);
            display: inline;
        }

        .cat-hero-content p {
            font-size: 1.08rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .cat-hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .stat-badge {
            background: rgba(212, 175, 55, 0.08);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 16px 22px;
            text-align: left;
            min-width: 130px;
        }

        .stat-badge i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 6px;
            display: block;
        }

        .stat-badge span {
            display: block;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .stat-badge small {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .cat-hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .cat-hero-visual img {
            max-height: 320px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-gold);
            border: 1px solid var(--border-gold);
            width: 100%;
            object-fit: cover;
        }

        /* Section Common */
        .section {
            padding: 70px 0;
        }

        .section-dark {
            background-color: var(--bg-secondary);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 640px;
            line-height: 1.6;
        }

        /* Rating Cards */
        .rating-grid {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .rating-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: 240px 1fr 140px;
            gap: 28px;
            align-items: center;
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .rating-card:hover {
            border-color: var(--border-gold);
            box-shadow: 0 8px 30px rgba(212, 175, 55, 0.1);
            transform: translateY(-2px);
        }

        .rating-card .rc-logo {
            width: 160px;
            height: 100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .rating-card .rc-logo img {
            max-height: 90px;
            border-radius: var(--radius-sm);
        }

        .rating-card .rc-info h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .rating-card .rc-info .rc-score {
            display: inline-block;
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent-gold);
            padding: 3px 14px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .rating-card .rc-info p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.55;
            margin-bottom: 0;
        }

        .rating-card .rc-info .rc-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        .tag {
            background: rgba(180, 83, 9, 0.12);
            color: var(--accent-amber);
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 16px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .rating-card .rc-actions {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .btn-recommend {
            background: var(--accent-gold);
            color: #0B0C0E;
            padding: 12px 20px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.88rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            display: block;
            width: 100%;
        }

        .btn-recommend:hover {
            background: #e0c04d;
            color: #0B0C0E;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
        }

        .btn-detail {
            background: transparent;
            border: 1px solid var(--border-soft);
            color: var(--text-secondary);
            padding: 10px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-base);
            width: 100%;
            text-align: center;
            display: block;
        }

        .btn-detail:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        /* Comparison Table */
        .compare-table-wrap {
            overflow-x: auto;
            margin-top: 20px;
        }

        .compare-table {
            width: 100%;
            min-width: 800px;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
        }

        .compare-table th {
            background: var(--bg-secondary);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 16px 18px;
            text-align: left;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            border-bottom: 1px solid var(--border-gold);
        }

        .compare-table td {
            padding: 14px 18px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-soft);
            font-size: 0.9rem;
            vertical-align: middle;
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table .highlight {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .speed-bar {
            background: #2a2d34;
            border-radius: 10px;
            height: 8px;
            width: 100%;
            overflow: hidden;
        }

        .speed-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
        }

        /* Criteria Grid */
        .criteria-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 24px;
        }

        .criteria-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            transition: all var(--transition-base);
        }

        .criteria-card:hover {
            border-color: var(--border-gold);
        }

        .criteria-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        .criteria-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .criteria-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* CTA Band */
        .cta-band {
            background: linear-gradient(135deg, #14161B 0%, #0B0C0E 100%);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 50px 0;
            text-align: center;
        }

        .cta-band h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-band p {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 24px;
        }

        .btn-cta-large {
            display: inline-block;
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            color: #0B0C0E;
            padding: 14px 40px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.25);
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
        }

        .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 36px rgba(212, 175, 55, 0.4);
            color: #0B0C0E;
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-soft);
            padding: 22px 0;
        }

        .faq-item h4 {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-item h4 i {
            transition: transform 0.25s ease;
            color: var(--accent-gold);
        }

        .faq-item p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
        }

        /* News list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .news-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        }

        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 18px 18px 22px;
        }

        .news-card-body h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .news-card-body .news-meta {
            font-size: 0.78rem;
            color: var(--accent-gold);
            font-weight: 500;
        }

        /* Footer */
        .site-footer {
            background: #090a0d;
            border-top: 1px solid var(--border-gold);
            padding: 45px 0 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 28px;
        }

        .footer-grid h4, .footer-grid h5 {
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-grid p, .footer-grid ul {
            color: var(--text-muted);
        }

        .footer-grid ul li {
            margin-bottom: 6px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 16px;
            border-top: 1px solid var(--border-soft);
            font-size: 0.82rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #B45309, #0B0C0E);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            animation: float 3s ease-in-out infinite;
            cursor: pointer;
            transition: all 0.25s ease;
            opacity: 0.8;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 30px rgba(212, 175, 55, 0.5);
        }

        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-left i {
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .fab-left .badge-dot {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        /* Mobile */
        @media (max-width: 1024px) {
            .cat-hero .container {
                grid-template-columns: 1fr;
            }
            .cat-hero-visual {
                display: none;
            }
            .rating-card {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .rating-card .rc-logo {
                margin: 0 auto 12px;
            }
            .rating-card .rc-info .rc-tags {
                justify-content: center;
            }
            .rating-card .rc-actions {
                flex-direction: row;
                gap: 10px;
            }
            .criteria-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-gold);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 7px 16px;
                font-size: 0.8rem;
            }
            .cat-hero-content h1 {
                font-size: 2rem;
            }
            .criteria-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .compare-table-wrap {
                -webkit-overflow-scrolling: touch;
            }
        }

        @media (max-width: 520px) {
            .cat-hero {
                padding: 50px 0 40px;
            }
            .cat-hero-content h1 {
                font-size: 1.7rem;
            }
            .section {
                padding: 45px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .fab-left {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1a1d23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --accent-red: #b91c1c;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-gold: rgba(212, 175, 55, 0.3);
            --border-soft: #2a2d34;
            --shadow-gold: 0 4px 24px rgba(212, 175, 55, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --font-sans: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: Georgia, 'Times New Roman', serif;
            --transition-base: 0.2s ease-in-out;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color var(--transition-base), opacity var(--transition-base);
        }
        a:hover {
            color: #f0d870;
            opacity: 0.9;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0 20px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            max-width: 1300px;
            margin: 0 auto;
        }
        .logo {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .logo i {
            margin-right: 6px;
            color: var(--accent-amber);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
        }
        .nav-links a.active,
        .nav-links a:hover {
            color: var(--accent-gold);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }
        .btn-signup {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            border: none;
            color: #0B0C0E;
            padding: 9px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
            transition: all var(--transition-base);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 28px rgba(212, 175, 55, 0.45);
            color: #0B0C0E;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
        }
        .category-hero {
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 70px 0 50px;
            border-bottom: 1px solid var(--border-gold);
            text-align: left;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(11, 12, 14, 0.82);
            background: linear-gradient(90deg, rgba(11, 12, 14, 0.9) 0%, rgba(11, 12, 14, 0.55) 100%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .category-hero-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.15);
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.4px;
        }
        .category-hero h1 {
            font-size: 2.7rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 12px 0 18px;
            color: #FFFFFF;
        }
        .category-hero p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.65;
        }
        .hero-quick-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .hero-quick-link {
            background: rgba(20, 22, 27, 0.8);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 14px 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            transition: all var(--transition-base);
        }
        .hero-quick-link:hover {
            border-color: var(--accent-gold);
            background: rgba(212, 175, 55, 0.05);
        }
        .hero-quick-link i {
            font-size: 1.4rem;
            color: var(--accent-gold);
        }
        .section {
            padding: 60px 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            text-align: left;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 36px;
            text-align: left;
        }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            transition: all var(--transition-base);
            text-align: left;
        }
        .guide-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }
        .guide-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }
        .guide-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .guide-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }
        .step-timeline {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #D4AF37, #B45309);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            color: #0B0C0E;
            box-shadow: 0 0 14px rgba(212, 175, 55, 0.35);
        }
        .step-content h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 5px;
        }
        .step-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.55;
        }
        .tip-banner {
            background: var(--bg-secondary);
            border-left: 4px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            padding: 24px 28px;
            margin: 20px 0;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .tip-banner i {
            font-size: 1.8rem;
            color: var(--accent-gold);
        }
        .content-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        .content-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .content-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .content-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .content-card-body {
            padding: 18px 16px;
        }
        .content-card-body h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .content-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.45;
        }
        .cta-block {
            background: linear-gradient(135deg, rgba(20, 22, 27, 0.95) 0%, rgba(26, 29, 35, 0.9) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 48px 36px;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .cta-block h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .cta-block p {
            color: var(--text-secondary);
            margin: 0;
        }
        .btn-gold {
            background: linear-gradient(135deg, #D4AF37, #B45309);
            border: none;
            color: #0B0C0E;
            padding: 14px 34px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            box-shadow: 0 8px 22px rgba(212, 175, 55, 0.35);
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(212, 175, 55, 0.5);
            color: #0B0C0E;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.55;
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            padding: 42px 0 22px;
            margin-top: 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
            margin-bottom: 26px;
        }
        .footer-grid h4,
        .footer-grid h5 {
            color: var(--accent-gold);
            margin-bottom: 10px;
        }
        .footer-grid p,
        .footer-grid li {
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-grid ul {
            padding: 0;
        }
        .footer-grid li {
            margin-bottom: 6px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 16px;
            display: flex;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 0.8rem;
            flex-wrap: wrap;
        }
        @media (max-width: 1024px) {
            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .nav-links {
                gap: 20px;
            }
            .cta-block {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #0B0C0E;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-gold);
            }
            .nav-links.active-mobile {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-wrapper {
                height: 60px;
            }
            .hero-quick-links {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .content-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .btn-login,
            .btn-signup {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .step-item {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1a1d23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --accent-red: #b91c1c;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-gold: rgba(212, 175, 55, 0.3);
            --border-soft: #2a2d34;
            --shadow-gold: 0 4px 24px rgba(212, 175, 55, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --font-sans: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: Georgia, 'Times New Roman', serif;
            --transition-base: 0.2s ease-in-out;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color var(--transition-base);
        }

        a:hover {
            color: #f0d870;
        }

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

        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0 20px;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 6px;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
        }

        .nav-links a.active,
        .nav-links a:hover {
            color: var(--accent-gold);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            border: none;
            color: #0B0C0E;
            padding: 9px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 28px rgba(212, 175, 55, 0.45);
            color: #0B0C0E;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Page Banner */
        .page-banner {
            background-image: url('/assets/images/backpic/back-7.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0 70px;
            border-bottom: 1px solid var(--border-gold);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 12, 14, 0.88) 0%, rgba(20, 22, 27, 0.7) 100%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .page-banner .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
        }

        /* Section Styles */
        section {
            padding: 70px 0;
        }

        .section-header {
            margin-bottom: 45px;
        }

        .section-header h2 {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 650px;
        }

        /* Promo Cards */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 28px;
        }

        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
        }

        .promo-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .promo-card.featured {
            border-color: var(--accent-gold);
            box-shadow: 0 0 30px rgba(212, 175, 55, 0.2);
        }

        .promo-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
            z-index: 2;
            letter-spacing: 0.3px;
        }

        .promo-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .promo-card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg-card), transparent);
        }

        .promo-card-body {
            padding: 20px 22px 24px;
        }

        .promo-card-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .promo-card-body .promo-value {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 8px 0;
        }

        .promo-card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .promo-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .promo-meta i {
            color: var(--accent-gold);
        }

        .btn-promo {
            display: inline-block;
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            color: #0B0C0E;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .btn-promo:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
            color: #0B0C0E;
        }

        .btn-outline-promo {
            display: inline-block;
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 9px 26px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            margin-left: 10px;
        }

        .btn-outline-promo:hover {
            background: rgba(212, 175, 55, 0.1);
            color: var(--accent-gold);
        }

        /* Steps / How to claim */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            position: relative;
            text-align: left;
            transition: all var(--transition-base);
        }

        .step-item:hover {
            border-color: var(--accent-gold);
        }

        .step-number {
            font-family: var(--font-serif);
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            opacity: 0.7;
            margin-bottom: 8px;
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .step-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* VIP Tiers */
        .vip-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
        }

        .vip-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .vip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: left;
            transition: all var(--transition-base);
            position: relative;
        }

        .vip-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .vip-card .vip-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .vip-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .vip-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Info List */
        .info-list {
            list-style: none;
        }

        .info-list li {
            padding: 14px 0;
            border-bottom: 1px solid var(--border-soft);
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 1rem;
        }

        .info-list li i {
            color: var(--accent-gold);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, #14161B 0%, #1a1d23 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .cta-banner h3 {
            font-family: var(--font-serif);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .cta-banner p {
            color: var(--text-secondary);
            font-size: 1rem;
        }

        .btn-cta-large {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            color: #0B0C0E;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.35);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-cta-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(212, 175, 55, 0.5);
            color: #0B0C0E;
        }

        /* News List (Optional CMS) */
        .news-list-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .news-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .news-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .news-item img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .news-item-body {
            padding: 16px 18px 20px;
        }

        .news-item-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .news-item-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 10px;
        }

        .news-item-body .news-date {
            font-size: 0.8rem;
            color: var(--accent-gold);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
        }

        .faq-item h4 {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            font-size: 1.05rem;
        }

        .faq-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 24px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 30px;
        }

        .footer-grid h4,
        .footer-grid h5 {
            color: var(--text-primary);
            margin-bottom: 10px;
            font-weight: 700;
        }

        .footer-grid ul {
            padding: 0;
        }

        .footer-grid ul li {
            margin-bottom: 6px;
        }

        .footer-grid ul li a {
            color: var(--text-muted);
            transition: color var(--transition-base);
        }

        .footer-grid ul li a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid var(--border-soft);
            padding-top: 18px;
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #D4AF37, #B45309);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.6rem;
            box-shadow: 0 6px 28px rgba(212, 175, 55, 0.4);
            cursor: pointer;
            transition: all var(--transition-base);
            animation: float-gentle 3s ease-in-out infinite;
        }

        @keyframes float-gentle {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-8px);
            }
        }

        .fab-floating:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 36px rgba(212, 175, 55, 0.6);
            animation: none;
        }

        /* Mobile Nav */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 20px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.97);
                flex-direction: column;
                padding: 24px;
                gap: 18px;
                border-bottom: 1px solid var(--border-gold);
            }
            .nav-links.show {
                display: flex;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-login {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .btn-signup {
                padding: 7px 18px;
                font-size: 0.82rem;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
            }
            .page-banner {
                padding: 60px 0 50px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            section {
                padding: 50px 0;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .promo-card-body .promo-value {
                font-size: 1.4rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-card: #1a1d23;
            --accent-gold: #D4AF37;
            --accent-amber: #B45309;
            --accent-red: #b91c1c;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-gold: rgba(212, 175, 55, 0.3);
            --border-soft: #2a2d34;
            --shadow-gold: 0 4px 24px rgba(212, 175, 55, 0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --font-sans: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: Georgia, 'Times New Roman', serif;
            --transition-base: 0.2s ease-in-out;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color var(--transition-base);
        }

        a:hover {
            color: #f0d870;
        }

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

        .container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(11, 12, 14, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            padding: 0 20px;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            max-width: 1300px;
            margin: 0 auto;
        }

        .logo {
            font-family: var(--font-serif);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 6px;
            color: var(--accent-amber);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
        }

        .nav-links a.active,
        .nav-links a:hover {
            color: var(--accent-gold);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(212, 175, 55, 0.08);
        }

        .btn-signup {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            border: none;
            color: #0B0C0E;
            padding: 9px 26px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
            transition: all var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 28px rgba(212, 175, 55, 0.45);
            color: #0B0C0E;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Category Hero */
        .category-hero {
            background-image: url('/assets/images/backpic/back-7.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 80px 0 70px;
            text-align: left;
            border-bottom: 1px solid var(--border-gold);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 12, 14, 0.9) 0%, rgba(11, 12, 14, 0.7) 100%);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cat-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .category-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .cat-subscribe-box {
            background: rgba(26, 29, 35, 0.9);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 30px;
            backdrop-filter: blur(10px);
        }

        .cat-subscribe-box h3 {
            color: var(--accent-gold);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .cat-subscribe-box p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .sub-form {
            display: flex;
            gap: 8px;
        }

        .sub-form input {
            flex: 1;
            background: #2a2d34;
            border: 1px solid var(--border-soft);
            color: #fff;
            padding: 10px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
        }

        .sub-form .btn-signup {
            padding: 10px 24px;
            white-space: nowrap;
        }

        .breaking-news {
            background: linear-gradient(135deg, rgba(185, 28, 28, 0.15), rgba(11, 12, 14, 0.95));
            border: 1px solid var(--accent-red);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 24px;
        }

        .breaking-news i {
            color: var(--accent-red);
            font-size: 1.5rem;
            animation: pulse 1.5s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        .breaking-news span {
            color: #ff6b6b;
            font-weight: 700;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .breaking-news a {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* Sections */
        section {
            padding: 70px 0;
        }

        .section-header {
            margin-bottom: 45px;
            border-left: 4px solid var(--accent-gold);
            padding-left: 18px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 750;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* News Grid */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 28px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .news-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

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

        .cat-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(11, 12, 14, 0.85);
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            backdrop-filter: blur(4px);
        }

        .news-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .news-card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex: 1;
        }

        .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-soft);
            padding-top: 12px;
        }

        .read-more {
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
        }

        .read-more i {
            margin-left: 4px;
        }

        .no-posts {
            text-align: center;
            padding: 50px 20px;
            color: var(--text-muted);
            font-style: italic;
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
        }

        /* Promo Banner */
        .promo-banner {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(11, 12, 14, 0.98));
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
        }

        .promo-banner h3 {
            font-size: 1.3rem;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }

        .promo-banner p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .promo-timer span {
            font-weight: 700;
            color: #ff6b6b;
        }

        /* Event Timeline */
        .timeline {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .timeline-date {
            background: var(--accent-gold);
            color: #0B0C0E;
            font-weight: 800;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.85rem;
            text-align: center;
            min-width: 70px;
        }

        .timeline-content {
            background: var(--bg-card);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            flex: 1;
        }

        .timeline-content h4 {
            color: var(--accent-gold);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .timeline-content p {
            color: var(--text-muted);
            font-size: 0.88rem;
        }

        /* CTA */
        .cta-strip {
            background: linear-gradient(135deg, #14161B, #0B0C0E);
            border-top: 2px solid var(--accent-gold);
            border-bottom: 2px solid var(--accent-gold);
            padding: 55px 0;
            text-align: center;
        }

        .cta-strip h2 {
            color: var(--accent-gold);
            font-size: 2rem;
            margin-bottom: 12px;
        }

        .cta-strip p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .btn-xl {
            background: linear-gradient(135deg, #D4AF37 0%, #B45309 100%);
            border: none;
            color: #0B0C0E;
            padding: 14px 40px;
            border-radius: 40px;
            font-weight: 750;
            font-size: 1.1rem;
            cursor: pointer;
            display: inline-block;
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.35);
            transition: all 0.25s ease;
        }

        .btn-xl:hover {
            transform: scale(1.04);
            box-shadow: 0 12px 36px rgba(212, 175, 55, 0.5);
        }

        /* Footer */
        .site-footer {
            background: #0a0b0d;
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 25px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-grid h5 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 12px;
            font-size: 1rem;
        }

        .footer-grid a, .footer-grid p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.6rem;
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            cursor: pointer;
            transition: all 0.25s ease;
            opacity: 0.8;
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 10px 32px rgba(212, 175, 55, 0.55);
        }

        .fab-left .badge-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 13px;
            height: 13px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #fff;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .category-hero .container {
                grid-template-columns: 1fr;
            }
            .cat-subscribe-box {
                max-width: 480px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #0B0C0E;
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-gold);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions .btn-login, .nav-actions .btn-signup {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .promo-banner {
                flex-direction: column;
                text-align: center;
            }
            .sub-form {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                padding: 50px 0;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }