/* roulang page: index */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-tertiary: #1A1D24;
            --accent-gold: #D4AF37;
            --accent-gold-light: #E5C158;
            --accent-bronze: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-color: #2A2D35;
            --border-light: #3A3D45;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            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;
        }

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

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

        button, .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input, select, textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(212, 175, 55, 0.15);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(11, 12, 14, 0.95);
            border-bottom-color: rgba(212, 175, 55, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 2.25rem;
            height: 2.25rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.3rem;
            font-weight: 900;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .main-nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
        }

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

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

        .main-nav a:hover::after, .main-nav a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(212, 175, 55, 0.5);
            color: var(--accent-gold);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-smooth);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-section {
            padding: 8rem 0 5rem;
            background: radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.08), transparent 60%);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .hero-icon-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-2xl);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
            aspect-ratio: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0.75rem;
        }

        .hero-icon-card:nth-child(2) {
            background: linear-gradient(180deg, rgba(212, 175, 55, 0.1), var(--bg-secondary));
            border-color: rgba(212, 175, 55, 0.3);
        }

        .hero-icon-card i {
            font-size: 2.2rem;
            color: var(--accent-gold);
        }

        .hero-icon-card span {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .hero-status-bar {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 0.75rem 1.25rem;
            margin-bottom: 1.5rem;
            font-size: 0.85rem;
        }

        .status-dot {
            width: 0.5rem;
            height: 0.5rem;
            background: #10B981;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        .hero-status-bar span {
            color: var(--text-secondary);
        }

        .hero-status-bar strong {
            color: var(--accent-gold);
            margin-left: 0.25rem;
        }

        .hero-content h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
            letter-spacing: -0.02em;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-xl);
            font-size: 1rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: var(--shadow-gold);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4);
        }

        .btn-secondary {
            background: transparent;
            border: 1.5px solid rgba(212, 175, 55, 0.4);
            color: var(--accent-gold);
            padding: 0.85rem 2rem;
            border-radius: var(--radius-xl);
            font-size: 1rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-secondary:hover {
            background: rgba(212, 175, 55, 0.08);
            border-color: var(--accent-gold);
        }

        /* KPI Bar */
        .kpi-section {
            padding: 0 0 3rem;
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }

        .kpi-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.5rem;
            text-align: left;
            transition: all var(--transition-smooth);
        }

        .kpi-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            box-shadow: var(--shadow-gold);
        }

        .kpi-number {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.35rem;
        }

        .kpi-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Service Matrix */
        .section-block {
            padding: 3.5rem 0;
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-tag {
            display: inline-block;
            background: rgba(212, 175, 55, 0.1);
            color: var(--accent-gold);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-lg);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            letter-spacing: 0.03em;
        }

        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.015em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 720px;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .service-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .service-card.featured {
            background: linear-gradient(180deg, rgba(212, 175, 55, 0.08), var(--bg-secondary));
            border-color: rgba(212, 175, 55, 0.35);
        }

        .service-card:hover {
            border-color: rgba(212, 175, 55, 0.5);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .service-icon {
            width: 3rem;
            height: 3rem;
            background: rgba(212, 175, 55, 0.1);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
        }

        .service-card h3 {
            font-weight: 600;
            font-size: 1.15rem;
            color: var(--text-primary);
        }

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

        /* Compare Section */
        .compare-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-2xl);
            padding: 3rem;
            border: 1px solid var(--border-color);
        }

        .compare-table {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 0;
        }

        .compare-row {
            display: contents;
        }

        .compare-cell {
            padding: 1rem 1.25rem;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }

        .compare-cell:first-child {
            font-weight: 600;
            color: var(--text-primary);
        }

        .compare-cell:nth-child(2) {
            color: var(--accent-gold);
            text-align: center;
        }

        .compare-cell:nth-child(3) {
            color: var(--text-muted);
            text-align: center;
        }

        .compare-header .compare-cell {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1rem;
            background: rgba(212, 175, 55, 0.05);
            border-bottom: 2px solid rgba(212, 175, 55, 0.3);
        }

        /* Milestone */
        .milestone-track {
            display: flex;
            gap: 2rem;
            overflow-x: auto;
            padding: 1rem 0;
            scroll-snap-type: x mandatory;
        }

        .milestone-card {
            min-width: 220px;
            flex-shrink: 0;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            scroll-snap-align: start;
            transition: all var(--transition-smooth);
        }

        .milestone-card:hover {
            border-color: rgba(212, 175, 55, 0.5);
        }

        .milestone-year {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
        }

        .milestone-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 0.5rem;
            line-height: 1.5;
        }

        /* CMS News */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 2rem;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            transition: all var(--transition-smooth);
        }

        .news-item:hover {
            border-color: rgba(212, 175, 55, 0.45);
            box-shadow: var(--shadow-gold);
        }

        .news-thumb {
            width: 120px;
            height: 90px;
            flex-shrink: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            object-fit: cover;
        }

        .news-info h4 {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
            line-height: 1.4;
        }

        .news-info .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
            display: flex;
            gap: 1rem;
        }

        .news-sidebar {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            height: fit-content;
        }

        .news-sidebar h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--accent-gold);
        }

        .sidebar-item {
            display: flex;
            gap: 0.75rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-fast);
        }

        .sidebar-item:last-child {
            border-bottom: none;
        }

        .sidebar-item:hover h5 {
            color: var(--accent-gold);
        }

        .sidebar-item h5 {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-primary);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .sidebar-item .sidebar-date {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        /* Trust Section */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .trust-card {
            text-align: left;
            padding: 2rem;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            transition: all var(--transition-smooth);
        }

        .trust-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
        }

        .trust-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .trust-card h4 {
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

        .trust-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* Quick Answers */
        .qa-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        .qa-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
        }

        .qa-item:hover {
            border-color: rgba(212, 175, 55, 0.4);
        }

        .qa-item h3 {
            font-weight: 600;
            font-size: 1rem;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }

        .qa-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(212, 175, 55, 0.2);
            padding: 3rem 0 2rem;
            margin-top: 2rem;
        }

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

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .footer-bottom a {
            color: var(--accent-gold);
        }

        .footer-badges {
            display: flex;
            gap: 1rem;
            font-size: 1.8rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 3.75rem;
            height: 3.75rem;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1A1D24, #0B0C0E);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.3);
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: float-gentle 3s ease-in-out infinite;
        }

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

        .fab:hover {
            transform: scale(1.12);
            box-shadow: 0 8px 30px rgba(212, 175, 55, 0.45);
            animation: none;
        }

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

        .fab-badge {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #0B0C0E;
            box-shadow: 0 0 8px rgba(220, 38, 38, 0.6);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

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

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

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

            .compare-table {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid var(--border-color);
            }

            .main-nav.open {
                display: flex;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .hero-content h1 {
                font-size: 1.9rem;
            }

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

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

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

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

            .compare-table {
                grid-template-columns: 1fr;
                display: flex;
                flex-direction: column;
            }

            .compare-row {
                display: flex;
                flex-wrap: wrap;
                border-bottom: 1px solid var(--border-color);
                padding: 0.5rem 0;
            }

            .compare-cell {
                flex: 1;
                min-width: 100px;
                font-size: 0.8rem;
            }

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

            .btn-login, .btn-signup {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .hero-icon-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .milestone-card {
                min-width: 160px;
            }

            .news-item {
                flex-direction: column;
            }

            .news-thumb {
                width: 100%;
                height: 140px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-tertiary: #1A1D24;
            --accent-gold: #D4AF37;
            --accent-gold-light: #E5C158;
            --accent-bronze: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-color: #2A2D35;
            --border-light: #3A3D45;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            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;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(212, 175, 55, 0.15);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(11, 12, 14, 0.95);
            border-bottom-color: rgba(212, 175, 55, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 2.25rem;
            height: 2.25rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.3rem;
            font-weight: 900;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .main-nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
        }

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

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

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(212, 175, 55, 0.5);
            color: var(--accent-gold);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-smooth);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Article Page Specific */
        .article-page {
            padding-top: 6rem;
            min-height: 100vh;
        }

        .article-header {
            background: rgba(20, 22, 27, 0.6);
            border-bottom: 1px solid var(--border-color);
            padding: 3rem 0 2rem;
            margin-bottom: 3rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.5rem;
            margin-bottom: 1rem;
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .article-meta .category-tag {
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent-gold);
            padding: 0.25rem 0.75rem;
            border-radius: var(--radius-lg);
            font-weight: 600;
            font-size: 0.8rem;
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .article-meta .meta-item i {
            font-size: 0.9rem;
        }

        .article-h1 {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .article-excerpt {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 800px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3rem;
            padding-bottom: 4rem;
        }

        .article-body {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            line-height: 1.8;
            color: var(--text-secondary);
            font-size: 1rem;
        }

        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2rem 0 1rem;
            border-left: 3px solid var(--accent-gold);
            padding-left: 1rem;
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 1.8rem 0 0.8rem;
        }

        .article-body p {
            margin-bottom: 1rem;
        }

        .article-body ul,
        .article-body ol {
            margin: 1rem 0;
            padding-left: 1.5rem;
        }

        .article-body li {
            margin-bottom: 0.5rem;
        }

        .article-body img {
            border-radius: var(--radius-lg);
            margin: 1.5rem 0;
            width: 100%;
        }

        .article-body blockquote {
            background: rgba(212, 175, 55, 0.05);
            border-left: 3px solid var(--accent-gold);
            padding: 1.25rem 1.5rem;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5rem 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 6rem;
            align-self: start;
        }

        .sidebar-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-card h4 i {
            color: var(--accent-gold);
            font-size: 1rem;
        }

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

        .sidebar-card ul li {
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-color);
        }

        .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-fast);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

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

        .cta-sidebar {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(180, 83, 9, 0.1));
            border: 1px solid rgba(212, 175, 55, 0.3);
            border-radius: var(--radius-xl);
            padding: 1.8rem;
            text-align: center;
        }

        .cta-sidebar .bonus-amount {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            display: block;
            margin: 0.5rem 0;
        }

        .cta-sidebar p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .btn-sidebar-cta {
            display: inline-block;
            width: 100%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: var(--shadow-gold);
            text-align: center;
        }

        .btn-sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4);
        }

        /* Related Section */
        .related-section {
            background: rgba(20, 22, 27, 0.4);
            border-top: 1px solid var(--border-color);
            padding: 4rem 0;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

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

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .related-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .related-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .related-card .card-image {
            height: 180px;
            overflow: hidden;
        }

        .related-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .related-card:hover .card-image img {
            transform: scale(1.05);
        }

        .related-card .card-body {
            padding: 1.25rem;
        }

        .related-card .card-body h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 6rem 2rem;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
        }

        .not-found-state .icon-large {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .not-found-state h2 {
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .not-found-state p {
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        .btn-back-home {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.75rem 2rem;
            border-radius: var(--radius-lg);
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 4rem 0 2rem;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            gap: 0.75rem;
            font-size: 1rem;
            color: var(--accent-gold);
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            border: 2px solid var(--accent-gold-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.4rem;
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.85;
            animation: gentle-bounce 2s ease-in-out infinite;
        }

        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(212, 175, 55, 0.5);
        }

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

        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 1rem;
            height: 1rem;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #0B0C0E;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 260px;
                gap: 2rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 4.5rem;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1.25rem;
                border-bottom: 1px solid var(--border-color);
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-body {
                padding: 1.5rem;
            }
            .article-h1 {
                font-size: 1.6rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-header {
                padding: 2rem 0 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
            .article-sidebar {
                position: static;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 3.75rem;
            }
            .logo {
                font-size: 0.85rem;
            }
            .logo-icon {
                width: 1.75rem;
                height: 1.75rem;
                font-size: 1rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.8rem;
                font-size: 0.75rem;
            }
            .article-body {
                padding: 1rem;
                font-size: 0.9rem;
            }
            .article-h1 {
                font-size: 1.4rem;
            }
            .article-meta {
                gap: 0.75rem;
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-tertiary: #1A1D24;
            --accent-gold: #D4AF37;
            --accent-gold-light: #E5C158;
            --accent-bronze: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-color: #2A2D35;
            --border-light: #3A3D45;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --container-max: 1200px;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            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;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        button, .btn { cursor: pointer; font-family: inherit; border: none; outline: none; transition: all var(--transition-smooth); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }
        
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(212, 175, 55, 0.15);
            transition: all var(--transition-smooth);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between; height: 4.5rem;
        }
        .logo {
            display: flex; align-items: center; gap: 0.75rem;
            font-weight: 700; font-size: 1.1rem; color: var(--accent-gold); white-space: nowrap; flex-shrink: 0;
        }
        .logo-icon {
            width: 2.25rem; height: 2.25rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            border-radius: var(--radius-md);
            display: flex; align-items: center; justify-content: center;
            color: #0B0C0E; font-size: 1.3rem; font-weight: 900;
        }
        .main-nav { display: flex; align-items: center; gap: 2rem; }
        .main-nav a {
            font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
            position: relative; padding: 0.25rem 0; transition: color var(--transition-fast);
        }
        .main-nav a::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent-gold); transition: width var(--transition-smooth);
        }
        .main-nav a:hover, .main-nav a.active { color: var(--accent-gold); }
        .main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
        .nav-actions { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
        .btn-login {
            background: transparent; border: 1px solid rgba(212, 175, 55, 0.5);
            color: var(--accent-gold); padding: 0.5rem 1.25rem; border-radius: var(--radius-lg);
            font-size: 0.85rem; font-weight: 600;
        }
        .btn-login:hover { background: rgba(212, 175, 55, 0.1); border-color: var(--accent-gold); }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E; padding: 0.5rem 1.25rem; border-radius: var(--radius-lg);
            font-size: 0.85rem; font-weight: 700; box-shadow: var(--shadow-gold);
        }
        .btn-signup:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35); }
        .mobile-menu-toggle { display: none; background: transparent; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; }
        
        .category-hero {
            padding: 8rem 0 4rem;
            background: radial-gradient(ellipse at 30% 0%, rgba(212, 175, 55, 0.1), transparent 60%);
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero-grid {
            display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
        }
        .category-hero-content h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.5rem; font-weight: 700; line-height: 1.2; margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--text-primary), var(--accent-gold));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
        }
        .category-hero-content p {
            font-size: 1.1rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 2rem;
        }
        .hero-meta-badges { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
        .hero-meta-badge {
            background: var(--bg-tertiary); border: 1px solid var(--border-color);
            padding: 0.4rem 0.8rem; border-radius: var(--radius-lg);
            font-size: 0.8rem; font-weight: 500; color: var(--accent-gold);
            display: flex; align-items: center; gap: 0.4rem;
        }
        .hero-cta-group { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E; padding: 0.75rem 2rem; border-radius: var(--radius-lg);
            font-size: 1rem; font-weight: 700; box-shadow: var(--shadow-gold);
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4); }
        .btn-outline {
            background: transparent; border: 1px solid var(--accent-gold);
            color: var(--accent-gold); padding: 0.75rem 2rem; border-radius: var(--radius-lg);
            font-size: 1rem; font-weight: 600;
        }
        .btn-outline:hover { background: rgba(212, 175, 55, 0.08); }
        .category-hero-visual {
            position: relative;
        }
        .category-hero-visual img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            width: 100%;
        }
        .hero-visual-badge {
            position: absolute; bottom: -1rem; right: -1rem;
            background: var(--bg-tertiary); border: 1px solid var(--accent-gold);
            padding: 0.75rem 1.25rem; border-radius: var(--radius-lg);
            display: flex; align-items: center; gap: 0.5rem;
            font-weight: 600; font-size: 0.9rem; color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .section-block { padding: 5rem 0; }
        .section-header { margin-bottom: 3rem; }
        .section-header h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem; font-weight: 700; margin-bottom: 0.75rem;
            color: var(--text-primary);
        }
        .section-header p { color: var(--text-secondary); font-size: 1rem; max-width: 700px; }
        .section-header.light h2 { color: var(--text-primary); }
        
        .feature-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
        }
        .feature-card {
            background: var(--bg-secondary); border: 1px solid var(--border-color);
            border-radius: var(--radius-xl); padding: 2rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
            transform: scaleX(0); transition: transform var(--transition-smooth);
        }
        .feature-card:hover { border-color: var(--accent-gold); transform: translateY(-4px); box-shadow: var(--shadow-gold); }
        .feature-card:hover::before { transform: scaleX(1); }
        .feature-icon {
            width: 3rem; height: 3rem; background: rgba(212, 175, 55, 0.1);
            border-radius: var(--radius-lg); display: flex; align-items: center; justify-content: center;
            font-size: 1.5rem; color: var(--accent-gold); margin-bottom: 1.5rem;
        }
        .feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.75rem; color: var(--text-primary); }
        .feature-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }
        
        .stats-dashboard {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
        }
        .stat-card {
            background: var(--bg-secondary); border: 1px solid var(--border-color);
            border-radius: var(--radius-xl); padding: 1.5rem; text-align: left;
            transition: all var(--transition-smooth);
        }
        .stat-card:hover { border-color: var(--accent-gold); }
        .stat-value {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem; font-weight: 700; color: var(--accent-gold); margin-bottom: 0.5rem;
        }
        .stat-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
        
        .game-showcase {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
        }
        .game-card {
            background: var(--bg-tertiary); border-radius: var(--radius-xl);
            overflow: hidden; border: 1px solid var(--border-color);
            transition: all var(--transition-smooth); cursor: pointer;
        }
        .game-card:hover { border-color: var(--accent-gold); transform: translateY(-4px); box-shadow: var(--shadow-gold); }
        .game-card-image { position: relative; overflow: hidden; aspect-ratio: 3/4; }
        .game-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .game-card:hover .game-card-image img { transform: scale(1.08); }
        .game-card-tag {
            position: absolute; top: 0.75rem; left: 0.75rem;
            background: rgba(11,12,14,0.85); color: var(--accent-gold);
            padding: 0.25rem 0.75rem; border-radius: var(--radius-sm);
            font-size: 0.75rem; font-weight: 700; border: 1px solid var(--accent-gold);
        }
        .game-card-body { padding: 1rem; }
        .game-card-body h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.25rem; color: var(--text-primary); }
        .game-card-body p { font-size: 0.8rem; color: var(--text-muted); }
        
        .comparison-table-wrapper {
            overflow-x: auto;
            background: var(--bg-secondary); border-radius: var(--radius-xl);
            border: 1px solid var(--border-color); padding: 1px;
        }
        .comparison-table {
            width: 100%; border-collapse: collapse; min-width: 600px;
        }
        .comparison-table th {
            text-align: left; padding: 1rem 1.5rem; font-size: 0.8rem;
            font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
            color: var(--accent-gold); background: var(--bg-tertiary);
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table td {
            padding: 1rem 1.5rem; font-size: 0.9rem; border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
        }
        .comparison-table tr:last-child td { border-bottom: none; }
        .comparison-table .highlight-row td { color: var(--accent-gold); font-weight: 600; background: rgba(212,175,55,0.03); }
        
        .process-steps {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
            counter-reset: process-step;
        }
        .process-step {
            background: var(--bg-secondary); border: 1px solid var(--border-color);
            border-radius: var(--radius-xl); padding: 2rem 1.5rem; position: relative;
            transition: all var(--transition-smooth);
        }
        .process-step:hover { border-color: var(--accent-gold); transform: translateY(-2px); }
        .process-step::before {
            counter-increment: process-step; content: counter(process-step);
            position: absolute; top: -1rem; right: 1rem;
            width: 2.5rem; height: 2.5rem;
            background: var(--accent-gold); color: #0B0C0E;
            border-radius: 50%; display: flex; align-items: center; justify-content: center;
            font-weight: 900; font-size: 1.2rem;
        }
        .process-step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-primary); }
        .process-step p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
        
        .info-list-section {
            background: var(--bg-secondary); border-radius: var(--radius-2xl);
            border: 1px solid var(--border-color); padding: 3rem;
        }
        .info-list-title { font-size: 1.5rem; font-weight: 700; margin-bottom: 2rem; color: var(--accent-gold); }
        .info-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
        .info-item { display: flex; gap: 0.5rem; align-items: flex-start; }
        .info-item i { color: var(--accent-gold); font-size: 0.7rem; margin-top: 0.4rem; }
        .info-item-content h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.25rem; }
        .info-item-content p { font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }
        
        .site-footer {
            background: var(--bg-secondary); border-top: 1px solid var(--border-color); padding: 4rem 0 2rem;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
        .footer-brand h3 { font-size: 1.3rem; font-weight: 700; color: var(--accent-gold); margin-bottom: 0.75rem; }
        .footer-brand p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.7; }
        .footer-col h4 { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em; }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 0.6rem; }
        .footer-col ul li a { font-size: 0.85rem; color: var(--text-muted); transition: color var(--transition-fast); }
        .footer-col ul li a:hover { color: var(--accent-gold); }
        .footer-bottom {
            display: flex; align-items: center; justify-content: space-between;
            padding-top: 2rem; border-top: 1px solid var(--border-color);
            font-size: 0.8rem; color: var(--text-muted);
        }
        .footer-badges { display: flex; gap: 1.5rem; font-size: 1.2rem; color: var(--accent-gold); }
        
        @media (max-width: 1024px) {
            .category-hero-grid { grid-template-columns: 1fr; }
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .game-showcase { grid-template-columns: repeat(2, 1fr); }
            .stats-dashboard { grid-template-columns: repeat(2, 1fr); }
            .process-steps { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .mobile-menu-toggle { display: block; }
            .feature-grid { grid-template-columns: 1fr; }
            .game-showcase { grid-template-columns: repeat(2, 1fr); }
            .stats-dashboard { grid-template-columns: 1fr; }
            .process-steps { grid-template-columns: 1fr; }
            .info-list { grid-template-columns: 1fr; }
            .category-hero-content h1 { font-size: 1.8rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
        }
        @media (max-width: 520px) {
            .game-showcase { grid-template-columns: 1fr; }
            .hero-cta-group { flex-direction: column; align-items: stretch; }
            .hero-cta-group .btn { text-align: center; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-tertiary: #1A1D24;
            --accent-gold: #D4AF37;
            --accent-gold-light: #E5C158;
            --accent-bronze: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-color: #2A2D35;
            --border-light: #3A3D45;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            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;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button,
        .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(212, 175, 55, 0.15);
            transition: all var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(11, 12, 14, 0.95);
            border-bottom-color: rgba(212, 175, 55, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 2.25rem;
            height: 2.25rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.3rem;
            font-weight: 900;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .main-nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-smooth);
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(212, 175, 55, 0.5);
            color: var(--accent-gold);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-smooth);
        }
        .btn-login:hover {
            background: rgba(212, 175, 55, 0.1);
            border-color: var(--accent-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .page-banner {
            padding: 8rem 0 4rem;
            background: radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.1), transparent 60%);
            text-align: center;
            position: relative;
        }
        .page-banner h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin: 0 0 1rem;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .page-banner .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .before-after-hero {
            padding: 2rem 0 6rem;
        }
        .ba-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            max-width: 1000px;
            margin: 0 auto;
        }
        .ba-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .ba-card.before-card {
            border-color: rgba(239, 68, 68, 0.3);
            background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), var(--bg-secondary));
        }
        .ba-card.after-card {
            border-color: rgba(16, 185, 129, 0.3);
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), var(--bg-secondary));
        }
        .ba-label {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: var(--radius-lg);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 1.25rem;
        }
        .before-label {
            background: rgba(239, 68, 68, 0.15);
            color: #EF4444;
        }
        .after-label {
            background: rgba(16, 185, 129, 0.15);
            color: #10B981;
        }
        .ba-card h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 0.75rem;
            color: var(--text-primary);
        }
        .ba-card p {
            color: var(--text-secondary);
            margin: 0 0 1.5rem;
            line-height: 1.6;
        }
        .ba-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
        }
        .ba-list li {
            padding: 0.5rem 0;
            color: var(--text-muted);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .ba-list li i {
            font-size: 0.85rem;
        }
        .before-list li i {
            color: #EF4444;
        }
        .after-list li i {
            color: #10B981;
        }
        .section {
            padding: 5rem 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.2rem;
            font-weight: 700;
            margin: 0 0 1rem;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 750px;
        }
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 2.5rem;
        }
        .feature-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .feature-icon {
            width: 3rem;
            height: 3rem;
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(180, 83, 9, 0.2));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            margin-bottom: 1.25rem;
        }
        .feature-card h4 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }
        .badge {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .badge-gold {
            background: rgba(212, 175, 55, 0.15);
            color: var(--accent-gold-light);
        }
        .badge-green {
            background: rgba(16, 185, 129, 0.15);
            color: #10B981;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.8rem 2rem;
            border-radius: var(--radius-lg);
            font-size: 0.95rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: var(--shadow-gold);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4);
        }
        .btn-outline-gold {
            background: transparent;
            border: 1px solid rgba(212, 175, 55, 0.5);
            color: var(--accent-gold);
            padding: 0.8rem 2rem;
            border-radius: var(--radius-lg);
            font-size: 0.95rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-outline-gold:hover {
            background: rgba(212, 175, 55, 0.1);
            border-color: var(--accent-gold);
        }
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 3rem;
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem;
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .stat-number {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2.5rem;
        }
        .process-step {
            background: var(--bg-tertiary);
            border-radius: var(--radius-xl);
            padding: 2rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
        }
        .step-number {
            width: 2.5rem;
            height: 2.5rem;
            background: var(--accent-gold);
            color: #0B0C0E;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 1rem;
        }
        .process-step h4 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: var(--text-primary);
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.5;
        }
        .faq-section {
            padding: 5rem 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 2.5rem 0 0;
        }
        .faq-item {
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            margin-bottom: 0.75rem;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: rgba(212, 175, 55, 0.3);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.25rem 1.5rem;
            background: transparent;
            color: var(--text-primary);
            font-size: 1rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            cursor: pointer;
        }
        .faq-question i {
            color: var(--accent-gold);
            font-size: 0.9rem;
            transition: transform var(--transition-fast);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth);
            padding: 0 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(45deg);
        }
        .cta-section {
            padding: 5rem 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(212, 175, 55, 0.08), transparent 70%);
        }
        .cta-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-2xl);
            padding: 3rem 2rem;
            text-align: center;
            border: 1px solid rgba(212, 175, 55, 0.2);
            max-width: 800px;
            margin: 0 auto;
        }
        .cta-card h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin: 0 0 1rem;
        }
        .cta-card p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin: 0 0 2rem;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        .payment-badges {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 2rem;
        }
        .payment-badge {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 0.6rem 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .payment-badge i {
            color: var(--accent-gold);
        }
        .news-section {
            padding: 5rem 0;
            background: var(--bg-primary);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-top: 2.5rem;
        }
        .news-card {
            background: var(--bg-tertiary);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition-smooth);
        }
        .news-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .news-card-img {
            aspect-ratio: 16/10;
            background: var(--border-color);
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card-body {
            padding: 1.5rem;
        }
        .news-card-body h4 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0 0 1rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-body .date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 0 0 0.75rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            padding: 0.35rem 0;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-badges {
            display: flex;
            gap: 1rem;
        }
        .footer-badges span {
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 0.85rem;
        }
        .fab-floating {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 50;
            width: 3.5rem;
            height: 3.5rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.3rem;
            box-shadow: 0 6px 25px rgba(212, 175, 55, 0.35);
            cursor: pointer;
            transition: all var(--transition-smooth);
            opacity: 0.8;
            animation: floatBreath 3s ease-in-out infinite;
        }
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(212, 175, 55, 0.5);
        }
        @keyframes floatBreath {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        .fab-floating .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 0.9rem;
            height: 0.9rem;
            background: #EF4444;
            border-radius: 50%;
            border: 2px solid #0B0C0E;
        }
        @media (max-width: 1024px) {
            .header-inner {
                height: 4rem;
            }
            .main-nav {
                gap: 1.25rem;
            }
            .main-nav a {
                font-size: 0.8rem;
            }
            .logo {
                font-size: 0.95rem;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .ba-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: fixed;
                top: 4rem;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid var(--border-color);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .page-banner {
                padding: 7rem 0 3rem;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .process-flow {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                text-align: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-card h2 {
                font-size: 1.5rem;
            }
            .ba-card {
                padding: 1.5rem;
            }
            .ba-card h3 {
                font-size: 1.3rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .fab-floating {
                width: 3rem;
                height: 3rem;
                font-size: 1.1rem;
                left: 1rem;
                bottom: 5rem;
            }
            .nav-actions {
                gap: 0.5rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.8rem;
                font-size: 0.75rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .logo {
                font-size: 0.8rem;
            }
            .logo-icon {
                width: 1.8rem;
                height: 1.8rem;
                font-size: 1rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .subtitle {
                font-size: 0.95rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.5rem;
            }
            .stat-item {
                padding: 1rem;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline-gold {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-tertiary: #1A1D24;
            --accent-gold: #D4AF37;
            --accent-gold-light: #E5C158;
            --accent-bronze: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-color: #2A2D35;
            --border-light: #3A3D45;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            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;
        }

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

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

        button,
        .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }

        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(212, 175, 55, 0.15);
            transition: all var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(11, 12, 14, 0.95);
            border-bottom-color: rgba(212, 175, 55, 0.3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 2.25rem;
            height: 2.25rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.3rem;
            font-weight: 900;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .main-nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
        }

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

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

        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(212, 175, 55, 0.5);
            color: var(--accent-gold);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-smooth);
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }

        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
        }

        .page-header-section {
            padding: 7rem 0 3rem;
            background: radial-gradient(ellipse at 50% 0%, rgba(212, 175, 55, 0.08), transparent 60%);
            text-align: center;
        }

        .page-header-section h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .page-header-section .subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section {
            padding: 4rem 0;
        }

        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 2.5rem;
            line-height: 1.6;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .step-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 2rem;
            position: relative;
            transition: all var(--transition-smooth);
        }

        .step-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .step-number {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            opacity: 0.3;
            position: absolute;
            top: 1rem;
            right: 1.5rem;
        }

        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

        .step-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .platform-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .platform-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-2xl);
            padding: 2.5rem;
            transition: all var(--transition-smooth);
        }

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

        .platform-card .platform-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 1.25rem;
        }

        .platform-card h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .platform-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.75rem 1.75rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-smooth);
        }

        .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4);
        }

        .bonus-banner {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.1), rgba(180, 83, 9, 0.15));
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-2xl);
            padding: 2.5rem;
            text-align: center;
        }

        .bonus-banner h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .bonus-banner p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 1.5rem;
        }

        .bonus-badge {
            display: inline-block;
            background: var(--accent-gold);
            color: #0B0C0E;
            padding: 0.4rem 1rem;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 0.85rem;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

        .faq-question {
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
        }

        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        .cta-section {
            background: radial-gradient(ellipse at 50% 50%, rgba(212, 175, 55, 0.1), transparent 70%);
            border: 1px solid rgba(212, 175, 55, 0.3);
            border-radius: var(--radius-2xl);
            padding: 3rem 2rem;
            text-align: center;
        }

        .cta-section h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: 1rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.9rem 2.25rem;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 6px 28px rgba(212, 175, 55, 0.35);
        }

        .btn-cta-lg:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(212, 175, 55, 0.5);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .news-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .news-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        .news-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .news-card-body {
            padding: 1.25rem;
        }

        .news-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .news-card-body p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.5;
            margin-bottom: 1rem;
        }

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

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(212, 175, 55, 0.2);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.2rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .footer-badges {
            display: flex;
            gap: 1rem;
            font-size: 1.2rem;
            color: var(--accent-gold);
        }

        .no-posts-message {
            text-align: center;
            color: var(--text-muted);
            padding: 3rem;
            font-size: 1rem;
        }

        @media (max-width: 1024px) {
            .platform-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 4.5rem;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid rgba(212, 175, 55, 0.2);
            }

            .main-nav.open {
                display: flex;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .page-header-section h1 {
                font-size: 1.75rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

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

        @media (max-width: 520px) {
            .header-inner {
                height: 4rem;
            }

            .logo {
                font-size: 0.9rem;
            }

            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.75rem;
            }

            .page-header-section {
                padding: 5rem 0 2rem;
            }

            .page-header-section h1 {
                font-size: 1.4rem;
            }

            .section {
                padding: 2.5rem 0;
            }

            .section-title {
                font-size: 1.2rem;
            }

            .step-card {
                padding: 1.25rem;
            }

            .platform-card {
                padding: 1.5rem;
            }

            .bonus-banner {
                padding: 1.5rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0B0C0E;
            --bg-secondary: #14161B;
            --bg-tertiary: #1A1D24;
            --accent-gold: #D4AF37;
            --accent-gold-light: #E5C158;
            --accent-bronze: #B45309;
            --text-primary: #F5F5F7;
            --text-secondary: #CBD5E1;
            --text-muted: #A8A29E;
            --border-color: #2A2D35;
            --border-light: #3A3D45;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.2);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            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;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button, .btn {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-smooth);
        }
        input, select, textarea {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 12, 14, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(212, 175, 55, 0.15);
            transition: all var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(11, 12, 14, 0.95);
            border-bottom-color: rgba(212, 175, 55, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 2.25rem;
            height: 2.25rem;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B0C0E;
            font-size: 1.3rem;
            font-weight: 900;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .main-nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 0.25rem 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-smooth);
        }
        .main-nav a:hover, .main-nav a.active {
            color: var(--accent-gold);
        }
        .main-nav a:hover::after, .main-nav a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(212, 175, 55, 0.5);
            color: var(--accent-gold);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(212, 175, 55, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-lg);
            font-size: 0.85rem;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(212, 175, 55, 0.35);
            color: #0B0C0E;
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        /* Category Hero */
        .cat-hero {
            padding: 7rem 0 4rem;
            background: radial-gradient(ellipse at 70% 30%, rgba(212, 175, 55, 0.06), transparent 60%), var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.03), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cat-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(212, 175, 55, 0.1);
            border: 1px solid rgba(212, 175, 55, 0.25);
            color: var(--accent-gold);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-lg);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }
        .cat-hero-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }
        .cat-hero-title .gold {
            color: var(--accent-gold);
        }
        .cat-hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2rem;
        }
        .cat-hero-stats {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .cat-stat-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 0.75rem 1.25rem;
            text-align: center;
            min-width: 90px;
        }
        .cat-stat-value {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        .cat-stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.15rem;
        }
        .cat-hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .cat-hero-visual img {
            border-radius: var(--radius-2xl);
            box-shadow: var(--shadow-xl);
            border: 2px solid rgba(212, 175, 55, 0.2);
            max-height: 380px;
            object-fit: cover;
        }
        .cat-hero-glow {
            position: absolute;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(212, 175, 55, 0.12), transparent 70%);
            border-radius: 50%;
            bottom: -20px;
            right: -20px;
            pointer-events: none;
        }
        /* Section */
        .section {
            padding: 3.5rem 0;
        }
        .section-header {
            margin-bottom: 2rem;
        }
        .section-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.5rem;
        }
        .section-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 700px;
        }
        /* Game Cards */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .game-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .game-card:hover {
            transform: translateY(-4px);
            border-color: rgba(212, 175, 55, 0.4);
            box-shadow: 0 8px 30px rgba(212, 175, 55, 0.15);
        }
        .game-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .game-card:hover .game-card-img img {
            transform: scale(1.05);
        }
        .game-card-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-bronze);
            color: var(--text-primary);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.25rem 0.6rem;
            border-radius: var(--radius-sm);
            z-index: 2;
            letter-spacing: 0.04em;
        }
        .game-card-tag.live {
            background: #DC2626;
        }
        .game-card-body {
            padding: 1rem 1.1rem;
        }
        .game-card-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }
        .game-card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        /* Data Dashboard */
        .data-dash {
            background: var(--bg-secondary);
            border-radius: var(--radius-2xl);
            padding: 2rem 2.5rem;
            border: 1px solid var(--border-color);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }
        .dash-item {
            padding: 0.75rem;
        }
        .dash-icon {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 0.5rem;
        }
        .dash-value {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1;
        }
        .dash-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 0.35rem;
        }
        /* Comparison Rows */
        .compare-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .compare-row {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 1.5rem;
            align-items: center;
            background: var(--bg-tertiary);
            border-radius: var(--radius-lg);
            padding: 1rem 1.5rem;
            border: 1px solid var(--border-color);
        }
        .compare-label {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            text-align: right;
        }
        .compare-bars {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .compare-bar-fill {
            height: 10px;
            border-radius: 10px;
            background: var(--accent-gold);
            position: relative;
        }
        .compare-bar-fill.alt {
            background: var(--text-muted);
        }
        .compare-val {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-gold);
        }
        /* Milestone Timeline */
        .timeline {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid rgba(212, 175, 55, 0.3);
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .timeline-item {
            position: relative;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2.45rem;
            top: 0.35rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-gold);
            border: 2px solid var(--bg-primary);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.25);
        }
        .timeline-year {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.25rem;
        }
        .timeline-title {
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.25rem;
        }
        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* Platform Shield */
        .shield-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .shield-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 1.75rem 1.5rem;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .shield-card:hover {
            border-color: rgba(212, 175, 55, 0.3);
            box-shadow: var(--shadow-gold);
        }
        .shield-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .shield-title {
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            font-size: 1rem;
        }
        .shield-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .faq-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(212, 175, 55, 0.3);
        }
        .faq-question {
            width: 100%;
            background: transparent;
            color: var(--text-primary);
            padding: 1.1rem 1.5rem;
            font-size: 0.95rem;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: none;
            cursor: pointer;
            text-align: left;
        }
        .faq-answer {
            padding: 0 1.5rem 1.1rem;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            font-size: 1.2rem;
            color: var(--accent-gold);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 1rem;
        }
        /* CTA Bottom */
        .cta-banner {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.08), rgba(180, 83, 9, 0.05));
            border: 1px solid rgba(212, 175, 55, 0.2);
            border-radius: var(--radius-2xl);
            padding: 3rem 2.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .cta-banner-title {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
        }
        .cta-banner-sub {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-top: 0.35rem;
        }
        .btn-cta-lg {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-bronze));
            color: #0B0C0E;
            padding: 0.85rem 2rem;
            border-radius: var(--radius-lg);
            font-size: 1rem;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-cta-lg:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 175, 55, 0.4);
            color: #0B0C0E;
        }
        /* News list */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .news-card {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }
        .news-card:hover {
            transform: translateY(-3px);
            border-color: rgba(212, 175, 55, 0.35);
            box-shadow: var(--shadow-md);
        }
        .news-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-body {
            padding: 1.1rem 1.2rem;
        }
        .news-card-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        .news-card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(212, 175, 55, 0.15);
            padding: 3.5rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand h3 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 1rem;
        }
        .footer-badges {
            display: flex;
            gap: 1rem;
            font-size: 1.2rem;
            color: var(--accent-gold);
        }
        /* FAB */
        .fab-left {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
            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 25px rgba(212, 175, 55, 0.3);
            transition: all var(--transition-smooth);
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
        }
        .fab-badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .cat-hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .cat-hero-title {
                font-size: 2.2rem;
            }
            .game-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .data-dash {
                grid-template-columns: repeat(2, 1fr);
            }
            .shield-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 4.5rem;
                left: 0;
                right: 0;
                background: rgba(11, 12, 14, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                gap: 0;
                border-bottom: 1px solid rgba(212, 175, 55, 0.2);
                padding: 1rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.85rem 0;
                border-bottom: 1px solid rgba(255,255,255,0.05);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .cat-hero {
                padding: 6rem 0 2.5rem;
            }
            .cat-hero-title {
                font-size: 1.8rem;
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-dash {
                grid-template-columns: 1fr 1fr;
                padding: 1.5rem;
            }
            .compare-row {
                grid-template-columns: 1fr;
                gap: 0.5rem;
                text-align: left;
            }
            .compare-label {
                text-align: left;
            }
            .shield-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }
            .cat-hero-stats {
                flex-wrap: wrap;
                gap: 0.75rem;
            }
            .cat-stat-item {
                flex: 1 1 45%;
                min-width: auto;
            }
            .data-dash {
                grid-template-columns: 1fr;
            }
            .cat-hero-title {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}