/* roulang page: index */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --surface: rgba(255,255,255,0.05);
            --surface-hover: rgba(255,255,255,0.09);
            --border: rgba(0,240,255,0.18);
            --border-hover: rgba(0,240,255,0.45);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-lime: #CCFF00;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8A94A6;
            --danger: #FF3B5C;
            --success: #22C55E;
            --warning: #F59E0B;
            --font-main: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-glow: 0 0 15px rgba(0,82,255,0.6);
            --shadow-glow-cyan: 0 0 18px rgba(0,240,255,0.45);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1240px;
            --header-height: 72px;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-main);
            background: radial-gradient(ellipse at top left, #0D111E 0%, #08090F 45%, #05060A 100%);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; }
        button, input, select, textarea { font: inherit; }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(8,9,15,0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0,240,255,0.12);
            z-index: 1000;
            transition: var(--transition);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-list a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.3px;
        }
        .nav-list a:hover, .nav-list a.active {
            color: var(--accent-cyan);
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-cyan);
            transition: var(--transition);
            border-radius: 2px;
        }
        .nav-list a:hover::after, .nav-list a.active::after {
            width: 100%;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            letter-spacing: 0.4px;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(0,240,255,0.5);
            outline-offset: 2px;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border-color: rgba(255,255,255,0.2);
        }
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }
        .btn-signup {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #000;
            box-shadow: var(--shadow-glow);
        }
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 25px rgba(0,82,255,0.8);
        }
        .btn-primary {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #000;
            box-shadow: var(--shadow-glow);
            padding: 12px 24px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0,82,255,0.9);
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0,240,255,0.2);
        }
        .btn-outline:hover {
            background: rgba(0,240,255,0.08);
            box-shadow: var(--shadow-glow-cyan);
        }
        .btn-lg {
            padding: 14px 30px;
            font-size: 1.1rem;
        }
        /* Mobile nav */
        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: 8px;
            color: white;
            font-size: 1.5rem;
            width: 44px;
            height: 44px;
            cursor: pointer;
        }
        /* Hero - icon matrix, no large image */
        .hero {
            padding-top: calc(var(--header-height) + 48px);
            padding-bottom: 60px;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8,9,15,0.92) 20%, rgba(13,17,30,0.75) 60%, rgba(8,9,15,0.95));
            z-index: 0;
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text .tag {
            display: inline-block;
            background: rgba(0,240,255,0.1);
            border: 1px solid rgba(0,240,255,0.35);
            color: var(--accent-cyan);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 2.9rem;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 30%, #00F0FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            max-width: 700px;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 30px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-bottom: 24px;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
        }
        .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-status-bar {
            background: rgba(255,255,255,0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0,240,255,0.2);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .status-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 10px var(--success);
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        .status-text {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .hero-icon-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            padding: 12px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255,255,255,0.06);
        }
        .icon-cell {
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            padding: 22px 8px;
            text-align: center;
            transition: var(--transition);
            cursor: default;
            border: 1px solid transparent;
        }
        .icon-cell:hover {
            background: rgba(0,240,255,0.06);
            border-color: rgba(0,240,255,0.3);
            transform: translateY(-4px);
        }
        .icon-cell i {
            font-size: 2rem;
            margin-bottom: 10px;
            display: block;
            color: var(--accent-cyan);
        }
        .icon-cell span {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        /* Sections general */
        section {
            padding: 72px 0;
            position: relative;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 720px;
        }
        .glass-card {
            background: var(--surface);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
        }
        .glass-card:hover {
            background: var(--surface-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        /* Coupon grid */
        .coupon-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .coupon-card {
            position: relative;
            background: rgba(13,17,30,0.7);
            border: 1px dashed rgba(0,240,255,0.4);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            transition: var(--transition);
            overflow: hidden;
        }
        .coupon-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #0052FF, #00F0FF, #CCFF00);
        }
        .coupon-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-5px);
        }
        .coupon-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }
        .coupon-name {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .coupon-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .coupon-btn {
            display: inline-block;
            background: rgba(0,240,255,0.1);
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .coupon-btn:hover {
            background: var(--accent-cyan);
            color: #000;
            box-shadow: var(--shadow-glow-cyan);
        }
        /* Rules */
        .rules-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .rule-item {
            display: flex;
            gap: 16px;
            padding: 20px 24px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            border-left: 4px solid var(--accent-blue);
            transition: var(--transition);
        }
        .rule-item:hover {
            background: rgba(255,255,255,0.05);
            border-left-color: var(--accent-cyan);
        }
        .rule-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            min-width: 40px;
        }
        .rule-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 5px;
        }
        .rule-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        /* Guest highlights */
        .guest-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }
        .guest-card {
            scroll-snap-align: start;
            min-width: 250px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(0,240,255,0.15);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition);
        }
        .guest-card:hover {
            border-color: var(--accent-cyan);
            background: rgba(0,240,255,0.05);
        }
        .guest-card img {
            width: 100%;
            height: 130px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
        }
        .guest-name {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .guest-role {
            font-size: 0.8rem;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }
        .guest-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        /* Entry matrix */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
        }
        .entry-item {
            background: rgba(0,240,255,0.05);
            border: 1px solid rgba(0,240,255,0.2);
            border-radius: var(--radius-md);
            padding: 18px 14px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
        }
        .entry-item:hover {
            background: rgba(0,240,255,0.1);
            border-color: var(--accent-cyan);
            transform: translateY(-3px);
        }
        .entry-item i {
            font-size: 1.8rem;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }
        .entry-item span {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
        }
        /* News section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 20px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-md);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .news-item:hover {
            background: rgba(0,240,255,0.05);
            border-color: rgba(0,240,255,0.2);
        }
        .news-info {
            flex: 1;
        }
        .news-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 12px;
        }
        .news-recommend {
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-lg);
            padding: 24px;
        }
        .news-recommend h4 {
            font-size: 1.2rem;
            margin-bottom: 16px;
        }
        /* FAQ */
        .faq-grid {
            display: grid;
            gap: 16px;
        }
        .faq-item {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0,240,255,0.3);
        }
        .faq-question {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--accent-cyan);
        }
        .faq-answer {
            font-size: 0.95rem;
            color: var(--text-secondary);
        }
        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #0052FF 0%, #0040c0 50%, #00F0FF 100%);
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            text-align: center;
            color: #000;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: #000;
        }
        .cta-section p {
            font-size: 1.1rem;
            max-width: 650px;
            margin: 0 auto 24px;
            color: #111;
        }
        .cta-section .btn {
            background: #000;
            color: #fff;
            border: 2px solid #fff;
            box-shadow: 0 0 20px rgba(0,0,0,0.3);
        }
        .cta-section .btn:hover {
            background: #fff;
            color: #000;
        }
        /* Footer */
        .site-footer {
            background: #05060A;
            border-top: 1px solid rgba(0,240,255,0.15);
            padding: 50px 0 30px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 12px;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 1rem;
            margin-bottom: 16px;
            color: var(--accent-cyan);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 24px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0,0,0,0.65);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: content-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0,240,255,0.5);
            transition: var(--transition);
            animation: fab-breathe 3s infinite;
        }
        @keyframes fab-breathe {
            0%,100% { opacity: 0.65; }
            50% { opacity: 1; }
        }
        .fab:hover {
            opacity: 1;
            box-shadow: 0 0 28px rgba(0,240,255,0.8);
            transform: scale(1.05);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }
        .fab .badge-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--danger);
            border-radius: 50%;
            border: 2px solid #000;
            animation: pulse-dot 1.5s infinite;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content { grid-template-columns: 1fr; }
            .hero-icon-matrix { max-width: 400px; margin-top: 30px; }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .news-layout { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 60px; }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(8,9,15,0.98);
                flex-direction: column;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid rgba(0,240,255,0.2);
            }
            .nav-list.open { display: flex; }
            .nav-list li { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
            .menu-toggle { display: block; }
            .hero { padding-top: calc(var(--header-height) + 32px); }
            .hero h1 { font-size: 2rem; }
            .hero-desc { font-size: 0.95rem; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .coupon-grid { grid-template-columns: 1fr; }
            .entry-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .cta-section { padding: 32px 20px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-actions .btn { padding: 8px 12px; font-size: 0.8rem; }
            .hero-stats { gap: 16px; }
            .stat-value { font-size: 1.6rem; }
            .icon-cell i { font-size: 1.5rem; }
            .section-title { font-size: 1.6rem; }
            .coupon-value { font-size: 1.8rem; }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-electric: #0052FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #8A94A6;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(0, 240, 255, 0.25);
            --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --neon-glow: 0 0 20px rgba(0, 240, 255, 0.5);
            --radius-md: 12px;
            --radius-lg: 20px;
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: all 0.2s ease;
        }
        a:hover {
            color: #66f0ff;
        }

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

        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all 0.25s ease;
            padding: 12px 24px;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue) 0%, #0066ff 50%, var(--accent-cyan) 100%);
            color: #fff;
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.5);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.7);
            color: #fff;
        }
        .btn-outline-neon {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }
        .btn-outline-neon:hover {
            background: rgba(0, 240, 255, 0.1);
            color: #fff;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.7);
            border-color: #66f0ff;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 10px 0;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--text-white) !important;
            letter-spacing: -0.5px;
        }
        .navbar-brand span {
            color: var(--accent-cyan);
        }
        .navbar-nav .nav-link {
            color: var(--text-silver);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 8px;
            margin: 0 4px;
            transition: all 0.2s;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: #fff;
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }
        .navbar-toggler {
            border-color: rgba(0, 240, 255, 0.4);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='%2300F0FF' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero */
        .hero-section {
            background: radial-gradient(circle at 20% 30%, rgba(0, 82, 255, 0.15), transparent 50%),
                        radial-gradient(circle at 80% 70%, rgba(0, 240, 255, 0.1), transparent 60%),
                        var(--primary-bg);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.05;
            pointer-events: none;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 700;
            letter-spacing: -1px;
            margin-bottom: 1.5rem;
            color: #fff;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), #66f0ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-silver);
            max-width: 600px;
        }
        .hero-visual {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            backdrop-filter: blur(10px);
            box-shadow: var(--glass-shadow);
            transition: transform 0.3s;
        }
        .hero-visual:hover {
            transform: scale(1.02);
        }
        .value-point {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            color: var(--text-silver);
        }
        .value-point i {
            font-size: 1.5rem;
            color: var(--accent-cyan);
            width: 30px;
            text-align: center;
        }
        .cta-group {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-top: 30px;
        }

        /* Glass card */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 30px;
            backdrop-filter: blur(10px);
            box-shadow: var(--glass-shadow);
            transition: all 0.3s ease;
            height: 100%;
        }
        .glass-card:hover {
            border-color: rgba(0, 240, 255, 0.6);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 240, 255, 0.2);
        }
        .glass-card .icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
        }

        /* Stats */
        .stats-section {
            background: var(--secondary-bg);
            padding: 60px 0;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }
        .stat-item {
            text-align: center;
            padding: 20px;
        }
        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1.2;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Sections */
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: #fff;
        }
        .section-subtitle {
            color: var(--text-silver);
            font-size: 1.1rem;
            margin-bottom: 40px;
            max-width: 700px;
        }

        /* Comparison table */
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0 10px;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 15px 20px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .comparison-table th {
            background: rgba(0, 240, 255, 0.1);
            color: #fff;
            font-weight: 600;
            text-align: center;
        }
        .comparison-table td:first-child {
            font-weight: 500;
        }
        .check-icon {
            color: #00e676;
        }
        .cross-icon {
            color: #ff5252;
        }

        /* FAQ */
        .accordion-button {
            background-color: rgba(255, 255, 255, 0.05);
            color: #fff;
            font-weight: 500;
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(0, 240, 255, 0.15);
            color: #fff;
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.2rem rgba(0, 240, 255, 0.25);
            border-color: var(--accent-cyan);
        }
        .accordion-item {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 15px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .accordion-body {
            color: var(--text-silver);
        }

        /* CTA Form */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(0, 240, 255, 0.1)), var(--secondary-bg);
            padding: 80px 0;
            border-radius: 0;
        }
        .cta-form-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 40px;
            backdrop-filter: blur(10px);
            box-shadow: var(--glass-shadow);
        }
        .form-control {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: #fff;
            border-radius: 8px;
            padding: 12px 15px;
        }
        .form-control:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #05060A;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            color: var(--text-silver);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-silver);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 28px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fabBreath 2s infinite;
            transition: all 0.3s ease;
        }
        .fab-neon i {
            color: #fff;
            font-size: 1.5rem;
        }
        .fab-neon:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.9);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0055;
            border-radius: 50%;
            border: 2px solid #000;
            animation: blink 1.5s infinite;
        }
        @keyframes fabBreath {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .hero-title { font-size: 2rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 767.98px) {
            .hero-section { padding: 50px 0 40px; }
            .hero-title { font-size: 1.8rem; }
            .section-padding { padding: 50px 0; }
            .footer-grid { grid-template-columns: 1fr; gap: 30px; }
            .stat-value { font-size: 2rem; }
        }
        @media (max-width: 575.98px) {
            .cta-group { flex-direction: column; }
            .btn { width: 100%; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(255, 255, 255, 0.03);
            --bg-glass: rgba(13, 17, 30, 0.65);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-hover: #3385FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8A94A6;
            --border-glass: rgba(255, 255, 255, 0.12);
            --border-glow: rgba(0, 240, 255, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.15);
            --shadow-btn: 0 4px 18px rgba(0, 82, 255, 0.35);
            --font-primary: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --spacing-section: 5rem;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-primary);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 15% 20%, rgba(0, 82, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 75%, rgba(0, 240, 255, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 50%, rgba(8, 12, 24, 0.4) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                linear-gradient(rgba(0, 240, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 240, 255, 0.02) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: var(--container-max);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 0.75rem 0;
            gap: 0.75rem;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .logo:hover,
        .logo:focus {
            color: var(--accent-cyan);
            text-decoration: none;
        }

        .logo:focus-visible,
        .nav-list a:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.35rem;
            flex-wrap: wrap;
        }

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.1rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            border-radius: 30px;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .nav-list li a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-list li a.active {
            color: var(--text-primary);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-outline-light-glow {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 0.55rem 1.25rem;
            font-size: 0.88rem;
            font-weight: 500;
            border-radius: 30px;
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-outline-light-glow:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            text-decoration: none;
        }

        .btn-solid-glow {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            padding: 0.6rem 1.4rem;
            font-size: 0.88rem;
            font-weight: 600;
            border-radius: 30px;
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
            box-shadow: var(--shadow-btn);
            position: relative;
            overflow: hidden;
        }

        .btn-solid-glow::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.25);
            transform: translate(-50%, -50%);
            transition: all 0.5s ease;
        }

        .btn-solid-glow:hover::after {
            width: 300px;
            height: 300px;
        }

        .btn-solid-glow:hover {
            color: #fff;
            text-decoration: none;
            box-shadow: 0 6px 28px rgba(0, 240, 255, 0.45);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            border-radius: 8px;
            padding: 0.5rem 0.7rem;
            font-size: 1.25rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .navbar-toggler-custom:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        /* Hero Bento */
        .hero-bento {
            padding: 3.5rem 0 4rem;
            position: relative;
            z-index: 1;
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            grid-template-rows: auto auto;
            gap: 1.25rem;
        }

        .bento-main {
            grid-column: 1 / 2;
            grid-row: 1 / 3;
            background: var(--bg-glass);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-glass);
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 380px;
        }

        .bento-main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.12) 0%, rgba(0, 240, 255, 0.05) 50%, transparent 80%);
            pointer-events: none;
            border-radius: var(--radius-xl);
        }

        .bento-main::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 70%;
            height: 180%;
            background: radial-gradient(ellipse, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .bento-main>* {
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.4rem 1rem;
            border-radius: 30px;
            letter-spacing: 0.02em;
            margin-bottom: 1.1rem;
            width: fit-content;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .bento-main h1 {
            font-size: 2.35rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            max-width: 90%;
        }

        .bento-main h1 .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .bento-main .lead {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-wrap: wrap;
        }

        .bento-small {
            background: var(--bg-glass);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-glass);
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            transition: var(--transition);
            min-height: 120px;
        }

        .bento-small:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .bento-small .icon-circle {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 44px;
            height: 44px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 12px;
            color: var(--accent-cyan);
            font-size: 1.15rem;
        }

        .bento-small h3 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 0.3rem;
            color: var(--text-primary);
        }

        .bento-small p {
            font-size: 0.87rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.55;
        }

        .bento-cta-bar {
            grid-column: 1 / 3;
            grid-row: 2 / 3;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.1));
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 1.25rem 1.75rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            box-shadow: var(--shadow-glass);
        }

        .bento-cta-bar .cta-text {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .bento-cta-bar .cta-text span {
            color: var(--accent-cyan);
            font-weight: 700;
        }

        /* Stats Dashboard */
        .stats-dashboard {
            padding: var(--spacing-section) 0;
            position: relative;
            z-index: 1;
        }

        .section-heading {
            margin-bottom: 2.5rem;
            max-width: 650px;
        }

        .section-heading .kicker {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
            text-transform: uppercase;
        }

        .section-heading .kicker::before {
            content: '';
            display: inline-block;
            width: 28px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }

        .section-heading h2 {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.015em;
            line-height: 1.3;
        }

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

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.15rem;
        }

        .stat-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: left;
            box-shadow: var(--shadow-glass);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 0 4px 4px 0;
        }

        .stat-card:hover {
            border-color: rgba(0, 240, 255, 0.25);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .stat-card .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 0.3rem;
            letter-spacing: -0.02em;
        }

        .stat-card .stat-value .accent {
            color: var(--accent-cyan);
        }

        .stat-card .stat-label {
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        /* Game Matrix */
        .game-matrix {
            padding: var(--spacing-section) 0;
            position: relative;
            z-index: 1;
        }

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

        .game-card {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-glass);
            transition: var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .game-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            height: 175px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.1), rgba(0, 240, 255, 0.05));
        }

        .game-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .game-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .game-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--accent-cyan);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

        .game-card .card-body-flex {
            padding: 1.25rem 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .game-card .card-body-flex h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: var(--text-primary);
        }

        .game-card .card-body-flex .game-meta {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.7rem;
        }

        .game-card .card-body-flex .game-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .game-card .card-body-flex .game-desc {
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex: 1;
        }

        .game-card .btn-sm-glow {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.35);
            color: var(--accent-cyan);
            padding: 0.5rem 1.15rem;
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 30px;
            transition: var(--transition);
            text-decoration: none;
            text-align: center;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            width: fit-content;
        }

        .game-card .btn-sm-glow:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            color: var(--text-primary);
            text-decoration: none;
        }

        /* Compare Table */
        .compare-section {
            padding: var(--spacing-section) 0;
            position: relative;
            z-index: 1;
        }

        .compare-wrap {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-glass);
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 600px;
        }

        .compare-table thead th {
            padding: 1rem 1.25rem;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border-glass);
            letter-spacing: 0.03em;
        }

        .compare-table thead th:first-child {
            color: var(--text-primary);
            font-weight: 700;
        }

        .compare-table tbody td {
            padding: 1rem 1.25rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
        }

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

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

        .compare-table .highlight-col {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        /* Steps Flow */
        .steps-flow {
            padding: var(--spacing-section) 0;
            position: relative;
            z-index: 1;
        }

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

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 5%;
            right: 5%;
            height: 2px;
            background: linear-gradient(90deg, rgba(0, 240, 255, 0.2), rgba(0, 82, 255, 0.4));
            z-index: 0;
        }

        .step-item {
            text-align: left;
            position: relative;
            z-index: 1;
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }

        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 50%;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.9rem;
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.35);
        }

        .step-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 0.5rem;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-section {
            padding: var(--spacing-section) 0;
            position: relative;
            z-index: 1;
        }

        .faq-wrap {
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.2);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 1.2rem 1.5rem;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--accent-cyan);
        }

        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--accent-cyan);
            transition: transform 0.3s ease;
            min-width: 20px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .faq-answer-inner {
            padding: 0 1.5rem 1.4rem;
            font-size: 0.89rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Form */
        .cta-form-section {
            padding: var(--spacing-section) 0 4rem;
            position: relative;
            z-index: 1;
        }

        .cta-panel {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.08));
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-glass);
        }

        .cta-panel h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            letter-spacing: -0.015em;
        }

        .cta-panel p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            max-width: 520px;
        }

        .cta-form {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            padding: 0.75rem 1.2rem;
            font-size: 0.9rem;
            border-radius: 30px;
            transition: var(--transition);
            outline: none;
            font-family: var(--font-primary);
        }

        .cta-form input::placeholder {
            color: var(--text-muted);
        }
        .cta-form input:focus {
            border-color: var(--accent-cyan);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
        }

        .cta-form .btn-solid-glow {
            padding: 0.75rem 1.8rem;
            font-size: 0.95rem;
        }

        .cta-note {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 1rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .cta-note i {
            color: var(--accent-cyan);
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 9, 15, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid var(--border-glass);
            padding: 3rem 0 1.5rem;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand .logo {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            display: inline-flex;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 1rem;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
            text-decoration: none;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* FAB - Cyber Neon */
        .fab-cyber {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 1060;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-radius: 50%;
            color: var(--accent-cyan);
            font-size: 1.25rem;
            text-decoration: none;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4), inset 0 0 12px rgba(0, 240, 255, 0.1);
            transition: var(--transition);
            position: fixed;
            animation: fab-breathe 3s ease-in-out infinite;
            cursor: pointer;
        }

        .fab-cyber::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue), var(--accent-cyan));
            background-size: 300% 300%;
            z-index: -1;
            animation: fab-border-flow 4s linear infinite;
            opacity: 0.7;
        }

        .fab-cyber:hover {
            color: #fff;
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.65), inset 0 0 16px rgba(0, 240, 255, 0.2);
            transform: scale(1.08);
            text-decoration: none;
        }

        .fab-cyber .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #000;
            animation: fab-notification-blink 1.5s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% {
                opacity: 0.75;
            }
            50% {
                opacity: 1;
            }
        }

        @keyframes fab-border-flow {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }

        @keyframes fab-notification-blink {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.25);
            }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 3.75rem;
            }
            .bento-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
            }
            .bento-main {
                grid-column: 1 / 2;
                grid-row: auto;
                min-height: 300px;
                padding: 2rem;
            }
            .bento-main h1 {
                font-size: 2rem;
                max-width: 100%;
            }
            .bento-cta-bar {
                grid-column: 1 / 2;
                grid-row: auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .steps-grid::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 2.75rem;
            }
            .navbar-wrapper {
                flex-wrap: nowrap;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.97);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-glass);
                flex-direction: column;
                padding: 1rem 1.5rem;
                gap: 0.3rem;
                z-index: 1055;
            }
            .nav-list.mobile-open {
                display: flex;
            }
            .nav-list li a {
                width: 100%;
                padding: 0.8rem 1.2rem;
                font-size: 0.95rem;
            }
            .navbar-toggler-custom {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .nav-actions {
                gap: 0.4rem;
            }
            .nav-actions .btn-outline-light-glow,
            .nav-actions .btn-solid-glow {
                padding: 0.45rem 0.9rem;
                font-size: 0.78rem;
            }
            .hero-bento {
                padding: 2.25rem 0 3rem;
            }
            .bento-main {
                padding: 1.5rem;
                min-height: 260px;
            }
            .bento-main h1 {
                font-size: 1.6rem;
            }
            .bento-main .lead {
                font-size: 0.92rem;
            }
            .bento-small {
                padding: 1.2rem;
                min-height: 100px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.85rem;
            }
            .stat-card {
                padding: 1.15rem;
            }
            .stat-card .stat-value {
                font-size: 1.5rem;
            }
            .game-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .compare-wrap {
                padding: 1.25rem;
            }
            .cta-panel {
                padding: 1.75rem;
            }
            .cta-panel h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.75rem;
                text-align: left;
            }
            .fab-cyber {
                left: 1rem;
                bottom: 5.5rem;
                width: 46px;
                height: 46px;
                font-size: 1.1rem;
            }
            .section-heading h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-wrapper {
                padding: 0.6rem 0;
                gap: 0.5rem;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .bento-main h1 {
                font-size: 1.4rem;
            }
            .bento-cta-bar {
                padding: 1rem;
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-card {
                padding: 1rem;
            }
            .stat-card .stat-value {
                font-size: 1.35rem;
            }
            .game-card .card-img-wrap {
                height: 150px;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: 100%;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-group .btn {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
        }

/* roulang page: article */
:root{
            --bg-primary:#08090F;
            --bg-secondary:#0D111E;
            --bg-card:rgba(255,255,255,0.04);
            --bg-glass:rgba(13,17,30,0.72);
            --primary:#0052FF;
            --primary-bright:#1A6BFF;
            --accent:#00F0FF;
            --accent-soft:rgba(0,240,255,0.18);
            --text:#FFFFFF;
            --text-muted:#CBD5E1;
            --text-dim:#8A94A6;
            --border:rgba(0,240,255,0.18);
            --border-strong:rgba(0,240,255,0.35);
            --radius-sm:10px;
            --radius-md:18px;
            --radius-lg:26px;
            --shadow-card:0 20px 50px rgba(0,0,0,0.45);
            --shadow-glow:0 0 18px rgba(0,82,255,0.45);
            --shadow-glow-hover:0 0 30px rgba(0,240,255,0.6);
            --transition:all .28s ease;
            --font-main:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
        }
        *,
        *::before,
        *::after{
            box-sizing:border-box;
            margin:0;
            padding:0;
        }
        html{
            scroll-behavior:smooth;
            -webkit-text-size-adjust:100%;
        }
        body{
            font-family:var(--font-main);
            background:var(--bg-primary);
            color:var(--text);
            line-height:1.6;
            min-height:100vh;
            overflow-x:hidden;
            display:flex;
            flex-direction:column;
        }
        a{
            color:inherit;
            text-decoration:none;
            transition:var(--transition);
        }
        img{
            max-width:100%;
            height:auto;
            display:block;
        }
        ul,ol{
            list-style:none;
        }
        button,input,textarea{
            font:inherit;
            color:inherit;
        }
        button{
            cursor:pointer;
            border:none;
            background:none;
        }
        .container{
            width:min(1180px,92%);
            margin:0 auto;
        }
        /* Header & Navigation */
        .site-header{
            position:sticky;
            top:0;
            z-index:100;
            background:var(--bg-glass);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
            border-bottom:1px solid var(--border);
        }
        .header-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:16px;
            height:72px;
            position:relative;
        }
        .logo{
            font-weight:800;
            font-size:1.4rem;
            letter-spacing:-.02em;
            color:var(--text);
            display:flex;
            align-items:center;
            gap:10px;
            white-space:nowrap;
        }
        .logo-icon{
            width:36px;
            height:36px;
            background:linear-gradient(135deg,var(--primary),var(--accent));
            border-radius:10px;
            display:grid;
            place-items:center;
            font-size:1.1rem;
            box-shadow:0 0 18px rgba(0,82,255,0.5);
        }
        .nav-list{
            display:flex;
            align-items:center;
            gap:6px;
        }
        .nav-list a{
            padding:9px 14px;
            border-radius:30px;
            font-weight:500;
            font-size:.95rem;
            color:var(--text-muted);
            position:relative;
        }
        .nav-list a:hover{
            color:var(--text);
            background:rgba(255,255,255,0.06);
        }
        .nav-list a.active{
            color:var(--text);
            background:rgba(0,240,255,0.12);
            box-shadow:inset 0 0 0 1px var(--border-strong);
        }
        .header-actions{
            display:flex;
            align-items:center;
            gap:10px;
            flex-shrink:0;
        }
        .btn-login{
            padding:9px 16px;
            border-radius:30px;
            font-weight:600;
            font-size:.9rem;
            color:var(--text-muted);
            border:1px solid var(--border);
            transition:var(--transition);
        }
        .btn-login:hover{
            color:var(--text);
            border-color:var(--border-strong);
            background:rgba(255,255,255,0.04);
        }
        .btn-signup{
            padding:9px 18px;
            border-radius:30px;
            font-weight:700;
            font-size:.9rem;
            color:#05070D;
            background:linear-gradient(135deg,#00F0FF,#0052FF);
            box-shadow:var(--shadow-glow);
            transition:var(--transition);
            white-space:nowrap;
        }
        .btn-signup:hover{
            box-shadow:var(--shadow-glow-hover);
            transform:translateY(-1px);
        }
        .menu-toggle{
            display:none;
            font-size:1.4rem;
            color:var(--text);
            padding:8px;
            border-radius:8px;
            background:rgba(255,255,255,0.05);
            border:1px solid var(--border);
        }
        /* Hero */
        .article-hero{
            background:linear-gradient(135deg,#0D111E 0%,#08090F 55%,#061A2C 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-blend-mode:multiply;
            padding:48px 0 40px;
            border-bottom:1px solid var(--border);
            position:relative;
        }
        .article-hero::after{
            content:"";
            position:absolute;
            inset:0;
            background:radial-gradient(circle at 20% 30%,rgba(0,82,255,0.18),transparent 45%);
            pointer-events:none;
        }
        .hero-inner{
            position:relative;
            z-index:1;
        }
        .breadcrumb{
            display:flex;
            flex-wrap:wrap;
            align-items:center;
            gap:8px;
            font-size:.85rem;
            color:var(--text-dim);
            margin-bottom:16px;
        }
        .breadcrumb a:hover{
            color:var(--accent);
        }
        .breadcrumb .current{
            color:var(--text-muted);
            max-width:220px;
            overflow:hidden;
            text-overflow:ellipsis;
            white-space:nowrap;
        }
        .article-meta{
            display:flex;
            flex-wrap:wrap;
            gap:14px;
            align-items:center;
            margin-top:14px;
            font-size:.88rem;
            color:var(--text-muted);
        }
        .meta-badge{
            padding:6px 14px;
            border-radius:30px;
            background:rgba(0,240,255,0.1);
            border:1px solid var(--border-strong);
            font-weight:600;
            color:var(--accent);
            font-size:.8rem;
        }
        .article-hero h1{
            font-size:clamp(1.8rem,4vw,3rem);
            line-height:1.18;
            font-weight:800;
            letter-spacing:-.03em;
            max-width:900px;
            margin-bottom:12px;
        }
        .article-hero .lead{
            font-size:1.1rem;
            color:var(--text-muted);
            max-width:720px;
        }
        /* Main Layout */
        .main{
            flex:1;
            padding:40px 0 60px;
        }
        .article-layout{
            display:grid;
            grid-template-columns:minmax(0,1fr);
            gap:32px;
        }
        .article-body-card{
            background:var(--bg-glass);
            backdrop-filter:blur(16px);
            -webkit-backdrop-filter:blur(16px);
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            padding:clamp(20px,4vw,40px);
            box-shadow:var(--shadow-card);
        }
        .article-body{
            color:var(--text);
            font-size:1.02rem;
            line-height:1.7;
        }
        .article-body h2,
        .article-body h3,
        .article-body h4{
            color:var(--text);
            margin:1.6em 0 .6em;
            font-weight:700;
            line-height:1.3;
        }
        .article-body h2{
            font-size:1.7rem;
            letter-spacing:-.02em;
        }
        .article-body h3{
            font-size:1.35rem;
        }
        .article-body p{
            margin-bottom:1.2em;
            color:#E2E8F0;
        }
        .article-body ul,
        .article-body ol{
            margin:0 0 1.2em 1.5em;
        }
        .article-body ul li{
            list-style:disc;
            margin-bottom:.5em;
            color:#E2E8F0;
        }
        .article-body ol li{
            list-style:decimal;
            margin-bottom:.5em;
            color:#E2E8F0;
        }
        .article-body img{
            border-radius:var(--radius-md);
            margin:1.5em 0;
            box-shadow:0 10px 30px rgba(0,0,0,0.35);
            border:1px solid var(--border);
        }
        .article-body blockquote{
            border-left:4px solid var(--accent);
            padding:14px 20px;
            margin:1.5em 0;
            background:rgba(0,240,255,0.05);
            border-radius:0 var(--radius-sm) var(--radius-sm) 0;
            color:var(--text-muted);
            font-style:italic;
        }
        .article-body table{
            width:100%;
            border-collapse:collapse;
            margin:1.5em 0;
            font-size:.95rem;
        }
        .article-body table th,
        .article-body table td{
            padding:12px 14px;
            border:1px solid var(--border);
            text-align:left;
        }
        .article-body table th{
            background:rgba(0,240,255,0.06);
            color:var(--text);
            font-weight:600;
        }
        .no-article{
            text-align:center;
            padding:40px 20px;
            color:var(--text-muted);
        }
        .no-article i{
            font-size:3rem;
            color:var(--text-dim);
            margin-bottom:16px;
        }
        .no-article a{
            display:inline-block;
            margin-top:16px;
            padding:10px 22px;
            border-radius:30px;
            background:linear-gradient(135deg,#00F0FF,#0052FF);
            color:#05070D;
            font-weight:700;
        }
        /* Section Titles */
        .section-title{
            font-size:1.6rem;
            font-weight:700;
            letter-spacing:-.02em;
            margin-bottom:8px;
        }
        .section-subtitle{
            color:var(--text-muted);
            margin-bottom:28px;
            font-size:1rem;
        }
        .section-header{
            margin-bottom:28px;
        }
        /* Data Board */
        .data-board{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:18px;
            margin:30px 0 40px;
        }
        .stat-card{
            background:var(--bg-glass);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            border:1px solid var(--border);
            border-radius:var(--radius-md);
            padding:22px 18px;
            text-align:center;
            box-shadow:0 10px 28px rgba(0,0,0,0.25);
            transition:var(--transition);
        }
        .stat-card:hover{
            border-color:var(--border-strong);
            transform:translateY(-4px);
            box-shadow:0 18px 38px rgba(0,0,0,0.35),0 0 22px rgba(0,240,255,0.12);
        }
        .stat-icon{
            font-size:1.9rem;
            color:var(--accent);
            margin-bottom:10px;
        }
        .stat-value{
            font-size:1.9rem;
            font-weight:800;
            color:var(--text);
            letter-spacing:-.02em;
        }
        .stat-label{
            font-size:.85rem;
            color:var(--text-dim);
            margin-top:4px;
        }
        /* Steps */
        .steps-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:22px;
            margin:30px 0 40px;
        }
        .step-card{
            background:var(--bg-glass);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            border:1px solid var(--border);
            border-radius:var(--radius-md);
            padding:26px 22px;
            position:relative;
            transition:var(--transition);
        }
        .step-card:hover{
            border-color:var(--border-strong);
            transform:translateY(-4px);
            box-shadow:0 14px 30px rgba(0,0,0,0.3);
        }
        .step-number{
            font-size:.8rem;
            font-weight:800;
            color:var(--accent);
            background:rgba(0,240,255,0.12);
            border:1px solid var(--border-strong);
            width:34px;
            height:34px;
            border-radius:50%;
            display:grid;
            place-items:center;
            margin-bottom:14px;
        }
        .step-card h3{
            font-size:1.15rem;
            margin-bottom:8px;
            font-weight:700;
        }
        .step-card p{
            color:var(--text-muted);
            font-size:.95rem;
        }
        /* Featured Games */
        .games-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:22px;
            margin:30px 0 40px;
        }
        .game-card{
            background:var(--bg-glass);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            border:1px solid var(--border);
            border-radius:var(--radius-md);
            overflow:hidden;
            transition:var(--transition);
            display:flex;
            flex-direction:column;
        }
        .game-card:hover{
            border-color:var(--border-strong);
            transform:translateY(-4px);
            box-shadow:0 16px 38px rgba(0,0,0,0.35);
        }
        .game-card img{
            height:180px;
            width:100%;
            object-fit:cover;
            border-bottom:1px solid var(--border);
        }
        .game-card-body{
            padding:18px 16px;
            display:flex;
            flex-direction:column;
            gap:8px;
        }
        .game-card-body h3{
            font-size:1.05rem;
            font-weight:700;
        }
        .game-card-body p{
            color:var(--text-muted);
            font-size:.88rem;
        }
        .game-tag{
            align-self:flex-start;
            padding:4px 12px;
            border-radius:20px;
            background:rgba(0,240,255,0.1);
            color:var(--accent);
            font-size:.75rem;
            font-weight:600;
            border:1px solid var(--border);
        }
        /* FAQ */
        .faq-list{
            display:flex;
            flex-direction:column;
            gap:14px;
            margin:30px 0 40px;
        }
        .faq-item{
            background:var(--bg-glass);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            border:1px solid var(--border);
            border-radius:var(--radius-md);
            overflow:hidden;
            transition:var(--transition);
        }
        .faq-item:hover{
            border-color:var(--border-strong);
        }
        .faq-question{
            width:100%;
            display:flex;
            align-items:center;
            justify-content:space-between;
            padding:18px 22px;
            font-weight:600;
            font-size:1rem;
            color:var(--text);
            text-align:left;
            gap:16px;
        }
        .faq-question i{
            color:var(--accent);
            transition:var(--transition);
            font-size:1rem;
        }
        .faq-answer{
            max-height:0;
            overflow:hidden;
            padding:0 22px;
            color:var(--text-muted);
            font-size:.95rem;
            transition:max-height .3s ease,padding .3s ease;
        }
        .faq-item.open .faq-question i{
            transform:rotate(45deg);
        }
        .faq-item.open .faq-answer{
            max-height:240px;
            padding:0 22px 18px;
        }
        /* CTA */
        .cta-banner{
            background:linear-gradient(135deg,var(--bg-secondary),#061A2C);
            border:1px solid var(--border-strong);
            border-radius:var(--radius-lg);
            padding:44px 36px;
            text-align:center;
            position:relative;
            overflow:hidden;
            margin:40px 0;
            box-shadow:var(--shadow-card);
        }
        .cta-banner::before{
            content:"";
            position:absolute;
            inset:-50%;
            background:radial-gradient(circle at 50% 0%,rgba(0,82,255,0.25),transparent 60%);
            pointer-events:none;
        }
        .cta-banner h2{
            font-size:1.9rem;
            font-weight:800;
            letter-spacing:-.02em;
            margin-bottom:10px;
        }
        .cta-banner p{
            color:var(--text-muted);
            margin-bottom:24px;
        }
        .btn-cta{
            display:inline-block;
            padding:14px 34px;
            border-radius:40px;
            font-weight:700;
            font-size:1rem;
            color:#05070D;
            background:linear-gradient(135deg,#00F0FF,#0052FF);
            box-shadow:var(--shadow-glow);
            transition:var(--transition);
        }
        .btn-cta:hover{
            box-shadow:var(--shadow-glow-hover);
            transform:translateY(-2px);
        }
        /* Footer */
        .site-footer{
            background:var(--bg-secondary);
            border-top:1px solid var(--border);
            padding:44px 0 20px;
            margin-top:auto;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr 1fr;
            gap:32px;
            margin-bottom:32px;
        }
        .footer-brand .logo{
            margin-bottom:12px;
            font-size:1.5rem;
        }
        .footer-brand p{
            color:var(--text-muted);
            font-size:.9rem;
            max-width:360px;
        }
        .footer-col h4{
            font-size:.95rem;
            font-weight:700;
            margin-bottom:14px;
            color:var(--text);
        }
        .footer-col ul li{
            margin-bottom:8px;
            color:var(--text-muted);
            font-size:.88rem;
        }
        .footer-col a:hover{
            color:var(--accent);
        }
        .footer-bottom{
            border-top:1px solid var(--border);
            padding-top:18px;
            text-align:center;
            color:var(--text-dim);
            font-size:.82rem;
        }
        /* FAB */
        .fab{
            position:fixed;
            left:16px;
            bottom:96px;
            z-index:90;
            width:52px;
            height:52px;
            border-radius:16px;
            background:rgba(0,0,0,0.65);
            backdrop-filter:blur(10px);
            -webkit-backdrop-filter:blur(10px);
            border:2px solid transparent;
            background-image:linear-gradient(rgba(0,0,0,.65),rgba(0,0,0,.65)),linear-gradient(135deg,#00F0FF,#0052FF);
            background-origin:border-box;
            background-clip:padding-box,border-box;
            display:grid;
            place-items:center;
            color:var(--accent);
            font-size:1.5rem;
            box-shadow:0 0 18px rgba(0,240,255,0.35);
            transition:var(--transition);
            opacity:.75;
        }
        .fab:hover{
            opacity:1;
            transform:scale(1.08);
            box-shadow:0 0 28px rgba(0,240,255,0.65);
        }
        .fab::after{
            content:"";
            position:absolute;
            top:-2px;
            right:-2px;
            width:12px;
            height:12px;
            background:#FF0055;
            border-radius:50%;
            border:2px solid #08090F;
            animation:fabPulse 1.8s infinite;
        }
        @keyframes fabPulse{
            0%,100%{transform:scale(1);opacity:1}
            50%{transform:scale(1.3);opacity:.6}
        }
        /* Responsive */
        @media (max-width:1024px){
            .footer-grid{
                grid-template-columns:1fr 1fr;
            }
            .data-board{
                grid-template-columns:repeat(2,1fr);
            }
            .steps-grid,
            .games-grid{
                grid-template-columns:repeat(2,1fr);
            }
        }
        @media (max-width:768px){
            .header-inner{
                height:64px;
            }
            .nav-list{
                display:none;
                position:absolute;
                top:64px;
                left:0;
                right:0;
                background:var(--bg-glass);
                backdrop-filter:blur(20px);
                -webkit-backdrop-filter:blur(20px);
                flex-direction:column;
                align-items:stretch;
                padding:16px;
                border-bottom:1px solid var(--border);
                gap:8px;
            }
            .nav-list.open{
                display:flex;
            }
            .menu-toggle{
                display:grid;
                place-items:center;
            }
            .header-actions{
                gap:8px;
            }
            .btn-login{
                padding:8px 14px;
                font-size:.82rem;
            }
            .btn-signup{
                padding:8px 14px;
                font-size:.82rem;
            }
            .article-hero{
                padding:36px 0 30px;
            }
            .main{
                padding:30px 0 40px;
            }
            .section-title{
                font-size:1.4rem;
            }
            .data-board,
            .steps-grid,
            .games-grid{
                grid-template-columns:1fr;
            }
            .footer-grid{
                grid-template-columns:1fr;
                gap:24px;
            }
            .cta-banner{
                padding:32px 22px;
            }
            .cta-banner h2{
                font-size:1.5rem;
            }
            .fab{
                left:12px;
                bottom:84px;
                width:48px;
                height:48px;
                font-size:1.3rem;
            }
        }
        @media (max-width:520px){
            .container{
                width:94%;
            }
            .logo{
                font-size:1.1rem;
                gap:6px;
            }
            .logo-icon{
                width:30px;
                height:30px;
                font-size:.9rem;
                border-radius:8px;
            }
            .header-actions .btn-login{
                padding:7px 10px;
                font-size:.75rem;
            }
            .header-actions .btn-signup{
                padding:7px 12px;
                font-size:.75rem;
            }
            .article-hero h1{
                font-size:1.7rem;
            }
            .article-body{
                font-size:.96rem;
            }
            .stat-value{
                font-size:1.5rem;
            }
            .breadcrumb .current{
                max-width:140px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.72);
            --bg-glass: rgba(13, 17, 30, 0.55);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8A94A6;
            --border-glow: rgba(0, 240, 255, 0.25);
            --border-card: rgba(255, 255, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
            --shadow-btn: 0 0 25px rgba(0, 82, 255, 0.45);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1240px;
            --spacing-section: 88px;
            --spacing-mobile: 52px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            overflow-x: hidden;
            min-height: 100vh;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(0, 82, 255, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 60% 50%, rgba(13, 17, 30, 0.9) 0%, transparent 70%);
            background-attachment: fixed;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: #66F5FF;
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container {
                max-width: 1320px;
            }
        }

        /* ==================== HEADER / NAV ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.97);
            border-bottom-color: rgba(0, 240, 255, 0.15);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 16px 0;
            min-height: 72px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--accent-cyan);
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.45);
            flex-shrink: 0;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }

        .nav-list li a {
            display: inline-block;
            padding: 10px 18px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 30px;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            white-space: nowrap;
            position: relative;
        }

        .nav-list li a:hover {
            color: var(--text-primary);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-list li a.active {
            color: var(--text-primary);
            background: rgba(0, 240, 255, 0.12);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.25);
        }

        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
            box-shadow: 0 0 8px var(--accent-glow);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 10px 22px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 30px;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login:hover {
            color: var(--text-primary);
            border-color: rgba(0, 240, 255, 0.4);
            background: rgba(0, 240, 255, 0.06);
        }

        .btn-signup {
            padding: 10px 26px;
            font-size: 0.88rem;
            font-weight: 700;
            color: #fff;
            background: var(--accent-gradient);
            border: none;
            border-radius: 30px;
            cursor: pointer;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 35px rgba(0, 82, 255, 0.65);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-signup:active {
            transform: translateY(1px);
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.35);
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 8px 12px;
            color: var(--text-primary);
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            border-color: rgba(0, 240, 255, 0.4);
            background: rgba(0, 240, 255, 0.06);
        }

        .mobile-menu {
            display: none;
            background: rgba(8, 9, 15, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 20px 20px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }

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

        .mobile-menu .nav-list {
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
        }

        .mobile-menu .nav-list li a {
            display: block;
            padding: 14px 18px;
            font-size: 1rem;
            border-radius: 12px;
            text-align: left;
        }

        .mobile-menu .nav-list li a.active::after {
            display: none;
        }

        .mobile-menu .header-actions-mobile {
            display: flex;
            gap: 10px;
            margin-top: 14px;
        }

        .mobile-menu .header-actions-mobile .btn-login,
        .mobile-menu .header-actions-mobile .btn-signup {
            flex: 1;
            text-align: center;
        }

        @media (max-width: 991px) {
            .nav-desktop {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
                align-items: center;
                justify-content: center;
            }
        }

        @media (min-width: 992px) {
            .mobile-menu {
                display: none !important;
            }
        }

        /* ==================== HERO ==================== */
        .hero-section {
            position: relative;
            padding: 150px 0 80px;
            overflow: hidden;
            background-image:
                linear-gradient(135deg, rgba(8, 9, 15, 0.92) 0%, rgba(13, 17, 30, 0.85) 40%, rgba(0, 82, 255, 0.18) 100%),
                url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background:
                radial-gradient(circle at 75% 25%, rgba(0, 240, 255, 0.12) 0%, transparent 45%),
                radial-gradient(circle at 15% 80%, rgba(0, 82, 255, 0.15) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 20px;
            animation: glowPulse 2.5s ease-in-out infinite;
        }

        @keyframes glowPulse {
            0%, 100% {
                box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
            }
            50% {
                box-shadow: 0 0 25px rgba(0, 240, 255, 0.45);
            }
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -0.025em;
            margin-bottom: 22px;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 50%, #00F0FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero-subtitle {
            font-size: 1.12rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            padding: 16px 38px;
            font-size: 1.02rem;
            font-weight: 800;
            color: #fff;
            background: var(--accent-gradient);
            border: none;
            border-radius: 40px;
            cursor: pointer;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.55);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
        }

        .btn-hero-primary:hover {
            box-shadow: 0 0 50px rgba(0, 82, 255, 0.75);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-hero-primary:active {
            transform: translateY(1px);
            box-shadow: 0 0 20px rgba(0, 82, 255, 0.4);
        }

        .btn-hero-secondary {
            padding: 16px 32px;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 40px;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-hero-secondary:hover {
            color: var(--accent-cyan);
            border-color: rgba(0, 240, 255, 0.4);
            background: rgba(0, 240, 255, 0.06);
        }

        .hero-timer {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 30px;
            color: var(--text-muted);
            font-size: 0.88rem;
            font-weight: 600;
        }

        .hero-timer strong {
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 1.1rem;
        }

        .hero-side-panel {
            position: relative;
            z-index: 2;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            box-shadow: var(--shadow-card);
        }

        .hero-side-panel h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .hero-step-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-step-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .hero-step-num {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.88rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.35);
        }

        .hero-step-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        .hero-step-text strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        @media (max-width: 991px) {
            .hero-section {
                padding: 130px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .hero-side-panel {
                margin-top: 36px;
            }
        }

        @media (max-width: 575px) {
            .hero-section {
                padding: 120px 0 50px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.98rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                text-align: center;
                width: 100%;
            }
        }

        /* ==================== SECTION COMMON ==================== */
        .section {
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .section-alt {
            background: rgba(13, 17, 30, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 640px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 850;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 1.02rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 767px) {
            .section {
                padding: var(--spacing-mobile) 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ==================== METRICS DASHBOARD ==================== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-gradient);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .metric-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-primary);
            line-height: 1.1;
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }

        .metric-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .metric-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 700;
            color: #16E096;
            margin-top: 8px;
        }

        @media (max-width: 991px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 575px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ==================== SERVICE MATRIX ==================== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .service-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-gradient);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .service-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            transform: translateY(-6px);
        }

        .service-card:hover::after {
            opacity: 1;
        }

        .service-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .service-badge {
            padding: 5px 14px;
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
        }

        .service-badge.hot {
            background: rgba(255, 59, 48, 0.15);
            border-color: rgba(255, 59, 48, 0.35);
            color: #FF5B52;
        }

        .service-icon-lg {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.4);
            margin-bottom: 18px;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 750;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .service-card .service-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 18px;
            flex-grow: 1;
        }

        .service-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            padding: 5px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
        }

        @media (max-width: 991px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 767px) {
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ==================== COMPARISON ==================== */
        .comparison-wrapper {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .comparison-table {
            width: 100%;
            margin: 0;
            border-collapse: collapse;
            font-size: 0.92rem;
        }

        .comparison-table thead {
            background: rgba(0, 82, 255, 0.1);
        }

        .comparison-table thead th {
            padding: 18px 20px;
            font-size: 0.82rem;
            font-weight: 800;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            text-align: left;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            white-space: nowrap;
        }

        .comparison-table tbody td {
            padding: 16px 20px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            vertical-align: middle;
        }

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

        .comparison-table tbody tr:hover td {
            background: rgba(0, 240, 255, 0.03);
        }

        .comparison-table .td-highlight {
            color: var(--text-primary);
            font-weight: 700;
        }

        .comparison-table .td-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 700;
            color: #16E096;
        }

        .comparison-table .td-badge.warn {
            color: #FFAA00;
        }

        @media (max-width: 767px) {
            .comparison-wrapper {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .comparison-table {
                min-width: 720px;
            }
        }

        /* ==================== FAQ ==================== */
        .accordion-custom .accordion-item {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .accordion-custom .accordion-item:hover {
            border-color: rgba(0, 240, 255, 0.2);
        }

        .accordion-custom .accordion-button {
            background: transparent !important;
            color: var(--text-primary) !important;
            font-weight: 700;
            font-size: 1.02rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none !important;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--accent-cyan) !important;
            background: rgba(0, 240, 255, 0.04) !important;
        }

        .accordion-custom .accordion-button:focus {
            outline: none;
            box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.3) !important;
        }

        .accordion-custom .accordion-button::after {
            filter: invert(1) brightness(0.9);
        }

        .accordion-custom .accordion-body {
            color: var(--text-secondary);
            font-size: 0.94rem;
            line-height: 1.7;
            padding: 0 24px 20px;
        }

        /* ==================== CTA / FORM ==================== */
        .cta-section {
            position: relative;
            padding: 72px 0;
            background-image:
                linear-gradient(135deg, rgba(0, 82, 255, 0.15) 0%, rgba(13, 17, 30, 0.9) 45%, rgba(0, 240, 255, 0.08) 100%),
                url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cta-text h2 {
            font-size: 2.3rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cta-text p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .cta-perks {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 22px;
        }

        .cta-perk-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .cta-perk-item i {
            color: var(--accent-cyan);
        }

        .cta-form {
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .cta-form h3 {
            font-size: 1.25rem;
            font-weight: 750;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .cta-form p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 22px;
        }

        .form-group-custom {
            margin-bottom: 16px;
        }

        .form-control-custom {
            width: 100%;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            color: var(--text-primary);
            font-size: 0.92rem;
            transition: all var(--transition-fast);
        }

        .form-control-custom::placeholder {
            color: var(--text-muted);
        }

        .form-control-custom:focus {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
        }

        .btn-cta-submit {
            width: 100%;
            padding: 15px;
            font-size: 1rem;
            font-weight: 800;
            color: #fff;
            background: var(--accent-gradient);
            border: none;
            border-radius: 12px;
            cursor: pointer;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
        }

        .btn-cta-submit:hover {
            box-shadow: 0 0 45px rgba(0, 82, 255, 0.7);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-cta-submit:active {
            transform: translateY(1px);
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.35);
        }

        .form-note {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 12px;
            text-align: center;
        }

        @media (max-width: 991px) {
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .cta-text h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 575px) {
            .cta-section {
                padding: 50px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-form {
                padding: 24px 18px;
            }
        }

        /* ==================== FAB ==================== */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, #CCFF00, #00F0FF) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.65;
            transition: all var(--transition-base);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            animation: fabBreathe 3.5s ease-in-out infinite;
            min-width: 48px;
            min-height: 48px;
        }

        .fab-left i {
            font-size: 1.3rem;
            color: var(--accent-cyan);
            transition: all var(--transition-base);
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.6);
        }

        .fab-left:hover i {
            color: #CCFF00;
            animation: fabFlicker 0.6s ease-in-out;
        }

        .fab-left:active {
            transform: scale(0.95);
            border-image: linear-gradient(135deg, #FF007F, #00F0FF) 1;
        }

        .fab-notification {
            position: absolute;
            top: -5px;
            right: -5px;
            width: 16px;
            height: 16px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid rgba(0, 0, 0, 0.8);
            animation: fabNotify 1.8s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% {
                box-shadow: 0 0 18px rgba(0, 240, 255, 0.35);
            }
            50% {
                box-shadow: 0 0 30px rgba(0, 240, 255, 0.55);
            }
        }

        @keyframes fabFlicker {
            0% { opacity: 0.4; }
            20% { opacity: 1; }
            40% { opacity: 0.3; }
            60% { opacity: 1; }
            80% { opacity: 0.6; }
            100% { opacity: 1; }
        }

        @keyframes fabNotify {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.6;
                transform: scale(1.2);
            }
        }

        @media (max-width: 575px) {
            .fab-left {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                border-radius: 14px;
            }
            .fab-left i {
                font-size: 1.1rem;
            }
        }

        /* ==================== FOOTER ==================== */
        .site-footer {
            background: rgba(6, 7, 12, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-primary);
            display: inline-block;
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 800;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 18px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 575px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 24px;
            }
        }

        /* ==================== MISC ==================== */
        .divider {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin: 0;
        }

        .text-gradient {
            background: linear-gradient(135deg, #FFFFFF 0%, #00F0FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .img-cover-rounded {
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 10px 35px rgba(0, 0, 0, 0.4);
            object-fit: cover;
            width: 100%;
        }

        .back-to-top {
            position: fixed;
            right: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(0, 82, 255, 0.25);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1rem;
            transition: all var(--transition-fast);
            opacity: 0;
            pointer-events: none;
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.2);
        }

        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }

        .back-to-top:hover {
            background: rgba(0, 82, 255, 0.5);
            border-color: var(--accent-cyan);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.45);
        }

        @media (max-width: 575px) {
            .back-to-top {
                right: 12px;
                bottom: 80px;
                width: 40px;
                height: 40px;
                font-size: 0.85rem;
            }
        }