/* roulang page: index */
:root {
            --cyberbg: #0F0C20;
            --oceanbg: #0B1A30;
            --neonlime: #CCFF00;
            --neoncyan: #00F0FF;
            --silvergray: #A6ACAF;
            --white: #FFFFFF;
            --border-glow: rgba(0, 240, 255, 0.25);
            --border-glow-strong: rgba(0, 240, 255, 0.6);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.15);
            --shadow-neon-strong: 0 0 35px rgba(0, 240, 255, 0.35);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --spacing-sm: 8px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 40px;
            --spacing-2xl: 64px;
        }

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

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

        body {
            font-family: 'Be Vietnam Pro', 'Roboto', system-ui, sans-serif;
            background-color: var(--cyberbg);
            color: var(--white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

        a:hover {
            color: var(--neoncyan);
        }

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

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

        ::selection {
            background: var(--neoncyan);
            color: var(--cyberbg);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* NAVIGATION */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 26, 48, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 16px;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neoncyan), var(--neonlime));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--cyberbg);
            font-weight: 700;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--white);
            line-height: 1.2;
        }

        .logo-text span {
            color: var(--neoncyan);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--silvergray);
            position: relative;
            padding: 6px 2px;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--white);
        }

        .nav-links a.active {
            color: var(--neoncyan);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--neoncyan), var(--neonlime));
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            font-size: 14px;
            font-weight: 500;
            color: var(--white);
            padding: 8px 14px;
            transition: color 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-login:hover {
            color: var(--neoncyan);
        }

        .btn-signup {
            font-size: 14px;
            font-weight: 600;
            color: var(--cyberbg);
            background: linear-gradient(135deg, var(--neoncyan), var(--neonlime));
            padding: 10px 20px;
            border-radius: 50px;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            white-space: nowrap;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.25);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.45);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(0, 240, 255, 0.2);
        }

        .hamburger-menu {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 18px;
            color: var(--white);
            transition: background 0.3s ease;
            flex-shrink: 0;
        }

        .hamburger-menu:hover {
            background: rgba(0, 240, 255, 0.1);
        }

        .mobile-menu-panel {
            display: none;
            background: rgba(11, 26, 48, 0.98);
            backdrop-filter: blur(18px);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 16px 24px;
        }

        .mobile-menu-panel.open {
            display: block;
            animation: slideDown 0.3s ease-out;
        }

        .mobile-nav-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-links a {
            display: block;
            padding: 14px 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--silvergray);
            border-radius: 8px;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .mobile-nav-links a:hover {
            background: rgba(0, 240, 255, 0.08);
            color: var(--white);
        }

        .mobile-nav-links a.active {
            color: var(--neoncyan);
            background: rgba(0, 240, 255, 0.05);
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* HERO */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.75) 0%, rgba(11, 26, 48, 0.85) 50%, rgba(15, 12, 32, 0.95) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.08) 0%, transparent 60%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--neoncyan);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            animation: neonPulse 2s ease-in-out infinite;
        }

        .hero-badge i {
            font-size: 14px;
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            letter-spacing: -1.5px;
            line-height: 1.15;
            color: var(--white);
            text-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
        }

        .hero-title .highlight {
            color: var(--neonlime);
            text-shadow: 0 0 30px rgba(204, 255, 0, 0.4);
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: var(--silvergray);
            max-width: 700px;
            margin: 0 auto;
        }

        .hero-search-box {
            width: 100%;
            max-width: 620px;
            position: relative;
            margin: 4px auto 0;
        }

        .hero-search-box input {
            width: 100%;
            padding: 16px 56px 16px 24px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--white);
            font-size: 15px;
            backdrop-filter: blur(10px);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .hero-search-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .hero-search-box input:focus {
            border-color: var(--neoncyan);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.25);
        }

        .hero-search-box button {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neoncyan), var(--neonlime));
            color: var(--cyberbg);
            font-size: 17px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .hero-search-box button:hover {
            transform: translateY(-50%) scale(1.05);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
        }

        .hero-category-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 4px;
        }

        .hero-category-tag {
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--silvergray);
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .hero-category-tag:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: rgba(0, 240, 255, 0.4);
            color: var(--neoncyan);
            transform: translateY(-2px);
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-top: 8px;
        }

        .btn-primary-hero {
            padding: 16px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--neoncyan), var(--neonlime));
            color: var(--cyberbg);
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(0, 240, 255, 0.5);
        }

        .btn-secondary-hero {
            padding: 16px 28px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary-hero:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }

        /* SECTION TITLES */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1.2px;
            text-transform: uppercase;
            color: var(--neoncyan);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--neoncyan), var(--neonlime));
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            letter-spacing: -0.8px;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.7;
            color: var(--silvergray);
            max-width: 650px;
        }

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

        .section-header-left {
            margin-bottom: 32px;
        }

        .section-header-center {
            text-align: center;
            margin-bottom: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        /* GAME TRACK SECTION */
        .game-track-section {
            padding: 80px 0;
            background: linear-gradient(180deg, var(--cyberbg) 0%, var(--oceanbg) 100%);
        }

        .track-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .track-scroll-container {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 16px 4px 24px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 240, 255, 0.3) transparent;
        }

        .track-scroll-container::-webkit-scrollbar {
            height: 5px;
        }

        .track-scroll-container::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
        }

        .track-scroll-container::-webkit-scrollbar-thumb {
            background: rgba(0, 240, 255, 0.3);
            border-radius: 10px;
        }

        .game-track-card {
            min-width: 220px;
            flex-shrink: 0;
            scroll-snap-align: start;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            border: 1px solid rgba(0, 240, 255, 0.15);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            cursor: pointer;
            background: rgba(255, 255, 255, 0.03);
        }

        .game-track-card:hover {
            transform: translateY(-8px) scale(1.02);
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: var(--shadow-neon-strong);
        }

        .game-track-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            display: block;
        }

        .game-track-card .card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 16px;
            background: linear-gradient(180deg, transparent 0%, rgba(15, 12, 32, 0.95) 100%);
        }

        .game-track-card .game-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            background: rgba(211, 47, 47, 0.85);
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .game-track-card .game-tag.new-tag {
            background: rgba(0, 240, 255, 0.85);
            color: var(--cyberbg);
        }

        .game-track-card .game-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 4px;
        }

        .game-track-card .game-meta {
            font-size: 12px;
            color: var(--silvergray);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* FEATURED SECTION */
        .featured-section {
            padding: 80px 0;
            background: var(--cyberbg);
            position: relative;
            overflow: hidden;
        }

        .featured-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .featured-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.12);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            cursor: pointer;
            background: rgba(255, 255, 255, 0.03);
        }

        .featured-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 240, 255, 0.45);
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.18);
        }

        .featured-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .featured-card .fc-body {
            padding: 18px;
            background: rgba(11, 26, 48, 0.6);
        }

        .featured-card .fc-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 6px;
        }

        .featured-card .fc-desc {
            font-size: 13px;
            color: var(--silvergray);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .fc-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .fc-badge {
            font-size: 11px;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--neoncyan);
            border: 1px solid rgba(0, 240, 255, 0.2);
            font-weight: 500;
        }

        /* PLAYLIST SECTION */
        .playlist-section {
            padding: 80px 0;
            background: linear-gradient(180deg, var(--oceanbg) 0%, var(--cyberbg) 100%);
        }

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

        .playlist-card {
            border-radius: var(--radius-lg);
            padding: 28px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.3s ease;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .playlist-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--neoncyan), var(--neonlime), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

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

        .playlist-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--neoncyan);
            margin-bottom: 16px;
        }

        .playlist-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 8px;
        }

        .playlist-card p {
            font-size: 13px;
            color: var(--silvergray);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .playlist-card .playlist-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--neoncyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* SECURITY SECTION */
        .security-section {
            padding: 80px 0;
            background: var(--cyberbg);
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .security-item {
            padding: 24px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .security-item:hover {
            background: rgba(0, 240, 255, 0.05);
            border-color: rgba(0, 240, 255, 0.2);
        }

        .security-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--neoncyan);
        }

        .security-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
        }

        .security-item p {
            font-size: 13px;
            color: var(--silvergray);
            line-height: 1.6;
        }

        /* FESTIVAL SECTION */
        .festival-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--oceanbg), var(--cyberbg));
            position: relative;
            overflow: hidden;
        }

        .festival-section::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .festival-banner {
            position: relative;
            z-index: 1;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.2);
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(204, 255, 0, 0.06));
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }

        .festival-content h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .festival-content p {
            font-size: 15px;
            color: var(--silvergray);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 500px;
        }

        .festival-cta {
            display: inline-flex;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 15px;
            background: linear-gradient(135deg, var(--neonlime), var(--neoncyan));
            color: var(--cyberbg);
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            gap: 8px;
            align-items: center;
        }

        .festival-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(204, 255, 0, 0.3);
        }

        .festival-gift {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 24px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px dashed rgba(0, 240, 255, 0.3);
        }

        .festival-gift .gift-icon {
            font-size: 40px;
            color: var(--neonlime);
        }

        .festival-gift .gift-label {
            font-size: 13px;
            color: var(--silvergray);
            text-align: center;
        }

        .festival-gift .gift-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--white);
        }

        /* CMS INFO SECTION */
        .info-section {
            padding: 80px 0;
            background: var(--cyberbg);
        }

        .info-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
            margin-top: 32px;
        }

        .info-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .info-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 0.3s ease;
            border-radius: 4px;
        }

        .info-list-item:hover {
            background: rgba(0, 240, 255, 0.04);
        }

        .info-list-item .info-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            flex: 1;
            line-height: 1.5;
        }

        .info-list-item .info-meta {
            font-size: 12px;
            color: var(--silvergray);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .info-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .info-sidebar-card {
            padding: 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .info-sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 10px;
        }

        .info-sidebar-card p {
            font-size: 13px;
            color: var(--silvergray);
            line-height: 1.6;
        }

        .info-empty {
            padding: 24px 8px;
            font-size: 15px;
            color: var(--silvergray);
            text-align: left;
        }

        /* FINAL CTA SECTION */
        .final-cta-section {
            padding: 100px 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }

        .final-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.9), rgba(11, 26, 48, 0.95));
            z-index: 1;
        }

        .final-cta-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
            text-align: left;
        }

        .final-cta-content h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .final-cta-content p {
            font-size: 16px;
            color: var(--silvergray);
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .final-cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* FOOTER */
        .site-footer {
            background: var(--oceanbg);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 60px 0 30px;
        }

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

        .footer-brand p {
            font-size: 14px;
            color: var(--silvergray);
            line-height: 1.7;
            max-width: 350px;
            margin-top: 12px;
        }

        .footer-brand .logo-text {
            font-size: 20px;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--silvergray);
            transition: color 0.3s ease;
        }

        .footer-col ul a:hover {
            color: var(--neoncyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--silvergray);
        }

        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-badge {
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.05);
            color: var(--silvergray);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* FAB */
        .fab-fixed {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid var(--neoncyan);
            color: var(--neoncyan);
            font-size: 22px;
            cursor: pointer;
            text-decoration: none;
            opacity: 0.6;
            animation: fabFloat 3s ease-in-out infinite, fabShimmer 2.5s linear infinite;
            transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
        }

        .fab-fixed:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
        }

        .fab-fixed:active {
            transform: scale(0.95);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #FF007F;
            color: var(--white);
            font-size: 9px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: 0.5px;
            animation: flicker 1.2s ease-in-out infinite;
            border: 2px solid var(--cyberbg);
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .playlist-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .festival-banner {
                grid-template-columns: 1fr;
                padding: 32px;
            }
            .info-layout {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .nav-links {
                display: none;
            }
            .hamburger-menu {
                display: flex;
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .btn-login {
                font-size: 13px;
                padding: 6px 8px;
            }
            .btn-signup {
                font-size: 13px;
                padding: 8px 14px;
            }
            .hero-section {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: clamp(26px, 7vw, 36px);
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-search-box input {
                padding: 14px 48px 14px 18px;
                font-size: 14px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .playlist-grid {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .festival-banner {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .festival-gift {
                padding: 16px;
            }
            .info-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .track-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .game-track-card {
                min-width: 170px;
            }
            .game-track-card img {
                height: 210px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .final-cta-section {
                padding: 60px 0;
            }
            .fab-fixed {
                width: 48px;
                height: 48px;
                font-size: 18px;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-cta-row {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary-hero, .btn-secondary-hero {
                width: 100%;
                justify-content: center;
            }
            .hero-category-tag {
                font-size: 12px;
                padding: 8px 14px;
            }
            .section-title {
                font-size: 24px;
            }
            .game-track-card {
                min-width: 150px;
            }
            .game-track-card img {
                height: 180px;
            }
            .festival-content h2 {
                font-size: 22px;
            }
            .btn-login {
                font-size: 12px;
                padding: 4px 6px;
            }
            .btn-signup {
                font-size: 12px;
                padding: 7px 12px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --bg-card: rgba(15, 12, 32, 0.85);
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.25);
            --border-lime: rgba(204, 255, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.3);
            --shadow-lime: 0 0 20px rgba(204, 255, 0, 0.15);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: linear-gradient(160deg, var(--bg-primary) 0%, var(--bg-secondary) 40%, #070C18 100%);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.08;
            pointer-events: none;
            z-index: 0;
        }
        body::after {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(0, 240, 255, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 80% 80%, rgba(204, 255, 0, 0.04) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 1;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input {
            font-family: inherit;
        }
        button:focus, a:focus, input:focus {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, #0099AA 100%);
            color: #0F0C20;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
        }
        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.55);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-neon);
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            box-shadow: var(--shadow-neon);
        }
        .btn-lime {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #99CC00 100%);
            color: #0F0C20;
            box-shadow: 0 0 20px rgba(204, 255, 0, 0.35);
        }
        .btn-lime:hover {
            box-shadow: 0 0 32px rgba(204, 255, 0, 0.55);
            transform: translateY(-2px);
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(15, 12, 32, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .logo-text span {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(0, 240, 255, 0.06);
        }
        .nav-links a.active {
            color: #0F0C20;
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            font-weight: 600;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: none;
            padding: 10px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            border-radius: 999px;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-login:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime) 0%, #A8D400 100%);
            color: #0F0C20;
            padding: 10px 20px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            border: none;
            transition: var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 0 15px rgba(204, 255, 0, 0.3);
        }
        .btn-signup:hover {
            box-shadow: 0 0 26px rgba(204, 255, 0, 0.55);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-neon);
            color: var(--text-primary);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
        }
        .mobile-menu-toggle:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .mobile-menu {
            display: none;
            background: rgba(15, 12, 32, 0.97);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 12px 0;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu .nav-links {
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
        }
        .mobile-menu .nav-links a {
            display: block;
            padding: 12px 20px;
            font-size: 1rem;
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 0.75rem;
        }
        .breadcrumb .current {
            color: var(--accent-lime);
            font-weight: 600;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 12px;
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }
        .article-category-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(204, 255, 0, 0.12);
            color: var(--accent-lime);
            font-size: 0.8rem;
            font-weight: 600;
            border: 1px solid rgba(204, 255, 0, 0.25);
        }
        .article-content {
            color: #D8DDE3;
            font-size: 1.05rem;
            line-height: 1.7;
        }
        .article-content p {
            margin-bottom: 1.2rem;
        }
        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2rem 0 1rem;
            padding-bottom: 8px;
            border-bottom: 2px solid rgba(0, 240, 255, 0.15);
        }
        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--accent-cyan);
            margin: 1.6rem 0 0.8rem;
        }
        .article-content ul, .article-content ol {
            margin: 0 0 1.2rem 1.5rem;
            padding: 0;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-lime);
            padding: 12px 20px;
            margin: 1.2rem 0;
            background: rgba(204, 255, 0, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #E8ECD0;
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }
        .article-content a {
            color: var(--accent-cyan);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--accent-lime);
        }
        .article-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin: 20px 0 24px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(0, 240, 255, 0.15);
        }
        .side-card {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-bottom: 16px;
            transition: var(--transition-base);
            backdrop-filter: blur(8px);
        }
        .side-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
            transform: translateY(-2px);
        }
        .side-card .side-thumb {
            width: 100%;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 12px;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #1A2035;
        }
        .side-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .side-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .side-card .side-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--accent-cyan);
            font-weight: 600;
            margin-top: 10px;
        }
        .side-card .side-link:hover {
            color: var(--accent-lime);
        }
        .section-faq {
            background: rgba(15, 12, 32, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            margin: 40px 0;
        }
        .faq-item {
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
            padding: 16px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-item h3 i {
            color: var(--accent-cyan);
            font-size: 1rem;
            transition: transform 0.3s ease;
        }
        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.08) 0%, rgba(204, 255, 0, 0.05) 100%);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            margin: 40px 0;
            text-align: center;
        }
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 60;
            width: 56px;
            height: 56px;
            border-radius: 18px;
            background: rgba(15, 12, 32, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(15, 12, 32, 0.75), rgba(15, 12, 32, 0.75)), linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.45);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0.85;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            text-decoration: none;
        }
        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.7), 0 0 60px rgba(204, 255, 0, 0.3);
            transform: scale(1.08);
            color: var(--accent-lime);
        }
        .fab-neon:active {
            transform: scale(0.94);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
        }
        .fab-neon .badge-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-lime);
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.25); }
        }
        .site-footer {
            background: rgba(8, 10, 20, 0.9);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 40px 0 20px;
            margin-top: 60px;
            position: relative;
            z-index: 1;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 24px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-top: 12px;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-lime), var(--accent-cyan));
            border-radius: 2px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col li {
            margin-bottom: 8px;
        }
        .footer-col a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: 999px;
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.2);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .not-found {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-secondary);
        }
        .not-found i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .not-found h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .not-found .btn {
            margin-top: 20px;
        }
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr !important;
                gap: 32px;
            }
            .side-column {
                max-width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 0;
            }
            .nav-links {
                gap: 4px;
            }
            .nav-links a {
                padding: 6px 12px;
                font-size: 0.82rem;
            }
            .header-actions {
                gap: 6px;
            }
            .btn-login {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-menu {
                display: block;
            }
            .mobile-menu:not(.open) {
                display: none;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 24px 18px;
            }
            .section-faq {
                padding: 24px 18px;
            }
            .article-content {
                font-size: 0.98rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                gap: 10px;
            }
            .logo-text {
                font-size: 0.95rem;
                letter-spacing: -0.01em;
            }
            .btn-login {
                padding: 7px 10px;
                font-size: 0.75rem;
            }
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.75rem;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .article-cover {
                margin: 12px 0 18px;
            }
            .article-content h2 {
                font-size: 1.35rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
            .fab-neon {
                width: 48px;
                height: 48px;
                border-radius: 14px;
                left: 12px;
                bottom: 80px;
                font-size: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-bg-primary: #0F0C20;
            --color-bg-secondary: #0B1A30;
            --color-bg-card: #151233;
            --color-accent-lime: #CCFF00;
            --color-accent-cyan: #00F0FF;
            --color-accent-pink: #FF007F;
            --color-text-white: #FFFFFF;
            --color-text-gray: #A6ACAF;
            --color-text-muted: #7A8291;
            --color-border: rgba(0, 240, 255, 0.15);
            --color-border-strong: rgba(0, 240, 255, 0.35);
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.15);
            --shadow-lime: 0 0 24px rgba(204, 255, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background-color: var(--color-bg-primary);
            color: var(--color-text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
        }

        :focus-visible {
            outline: 3px solid var(--color-accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 16px;
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            white-space: nowrap;
            color: var(--color-text-white);
        }

        .logo-text span {
            color: var(--color-accent-cyan);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-gray);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--color-text-white);
            background: rgba(0, 240, 255, 0.06);
        }

        .nav-links li a.active {
            color: var(--color-accent-cyan);
            background: rgba(0, 240, 255, 0.09);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.2);
        }

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

        .btn-login {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-white);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--color-accent-cyan);
            color: var(--color-accent-cyan);
        }

        .btn-signup {
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 700;
            color: #0F0C20;
            background: var(--color-accent-lime);
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: 0 0 16px rgba(204, 255, 0, 0.25);
        }

        .btn-signup:hover {
            background: #dcff33;
            box-shadow: 0 0 26px rgba(204, 255, 0, 0.4);
            transform: translateY(-1px);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(204, 255, 0, 0.2);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }

        .menu-toggle span {
            width: 20px;
            height: 2px;
            background: var(--color-text-white);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 12px 20px 20px;
            gap: 8px;
            background: rgba(15, 12, 32, 0.98);
            border-bottom: 1px solid var(--color-border);
        }

        .mobile-menu a {
            padding: 10px 16px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-gray);
            transition: all var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }

        .mobile-menu-actions {
            display: flex;
            gap: 10px;
            padding-top: 8px;
        }

        .mobile-menu-actions .btn-login,
        .mobile-menu-actions .btn-signup {
            flex: 1;
            text-align: center;
            padding: 10px 16px;
            font-size: 0.9rem;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0F0C20 0%, #0B1A30 45%, #0D2A45 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--color-border);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.18;
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,12,32,0.4) 0%, rgba(11,26,48,0.6) 50%, rgba(15,12,32,0.92) 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
            padding: 70px 0 80px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(204, 255, 0, 0.1);
            border: 1px solid rgba(204, 255, 0, 0.3);
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent-lime);
            letter-spacing: 0.02em;
            margin-bottom: 18px;
        }

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

        .hero-title {
            font-size: clamp(2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            max-width: 720px;
            margin-bottom: 18px;
            background: linear-gradient(135deg, #FFFFFF 35%, #CCFF00 70%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-gray);
            max-width: 600px;
            line-height: 1.65;
            margin-bottom: 28px;
        }

        .countdown-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px 20px;
            padding: 16px 22px;
            border-radius: var(--radius-md);
            background: rgba(15, 12, 32, 0.7);
            border: 1px solid rgba(0, 240, 255, 0.25);
            backdrop-filter: blur(8px);
            max-width: 620px;
            margin-bottom: 28px;
        }

        .countdown-label {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--color-accent-cyan);
            white-space: nowrap;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 48px;
            padding: 6px 10px;
            border-radius: 10px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .countdown-unit span:first-child {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-text-white);
            line-height: 1.1;
        }

        .countdown-unit span:last-child {
            font-size: 0.7rem;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 700;
            color: #0F0C20;
            background: linear-gradient(135deg, #CCFF00, #99E600);
            transition: all var(--transition);
            box-shadow: 0 4px 24px rgba(204, 255, 0, 0.3);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(204, 255, 0, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-accent-cyan);
            background: transparent;
            border: 2px solid rgba(0, 240, 255, 0.4);
            transition: all var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--color-accent-cyan);
            background: rgba(0, 240, 255, 0.06);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.15);
        }

        /* Section headings */
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.015em;
            color: var(--color-text-white);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-gray);
            max-width: 580px;
            line-height: 1.65;
            margin-bottom: 36px;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header-left {
            text-align: left;
        }

        /* Game poster grid */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .game-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            transition: all var(--transition);
            cursor: pointer;
            group: '';
        }

        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-neon);
        }

        .game-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .game-card-body {
            padding: 16px 18px 18px;
        }

        .game-card-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .tag-hot {
            background: rgba(255, 0, 127, 0.15);
            color: #FF79C6;
            border: 1px solid rgba(255, 0, 127, 0.35);
        }

        .tag-new {
            background: rgba(0, 240, 255, 0.12);
            color: var(--color-accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.35);
        }

        .tag-jackpot {
            background: rgba(204, 255, 0, 0.12);
            color: var(--color-accent-lime);
            border: 1px solid rgba(204, 255, 0, 0.35);
        }

        .game-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 4px;
        }

        .game-card-desc {
            font-size: 0.86rem;
            color: var(--color-text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .game-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .game-rating {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #FFD700;
        }

        .game-players {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* Stats band */
        .stats-band {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            padding: 36px 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .stat-item {
            text-align: left;
            padding: 18px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all var(--transition);
        }

        .stat-item:hover {
            border-color: var(--color-border-strong);
            background: rgba(0, 240, 255, 0.03);
        }

        .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent-cyan);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-number.lime {
            color: var(--color-accent-lime);
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-gray);
        }

        /* Features / selling points */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .feature-item {
            padding: 22px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .feature-item:hover {
            border-color: var(--color-border-strong);
            box-shadow: var(--shadow-neon);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            font-size: 1.3rem;
            color: var(--color-accent-cyan);
            margin-bottom: 14px;
        }

        .feature-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 6px;
        }

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

        /* Top list / ranking */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .ranking-item:hover {
            border-color: var(--color-border-strong);
            background: rgba(0, 240, 255, 0.03);
        }

        .ranking-position {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-accent-cyan);
            min-width: 40px;
            text-align: center;
        }

        .ranking-position.gold {
            color: #FFD700;
        }

        .ranking-position.lime {
            color: var(--color-accent-lime);
        }

        .ranking-info {
            flex: 1;
        }

        .ranking-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 3px;
        }

        .ranking-info p {
            font-size: 0.84rem;
            color: var(--color-text-muted);
        }

        .ranking-badge {
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            background: rgba(204, 255, 0, 0.1);
            border: 1px solid rgba(204, 255, 0, 0.3);
            color: var(--color-accent-lime);
            white-space: nowrap;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .testimonial-card {
            padding: 22px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .testimonial-card:hover {
            border-color: var(--color-border-strong);
        }

        .testimonial-text {
            font-size: 0.9rem;
            color: var(--color-text-gray);
            line-height: 1.65;
            margin-bottom: 14px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--color-accent-cyan);
            font-weight: 700;
        }

        .testimonial-name {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-text-white);
        }

        .testimonial-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
            transition: all var(--transition);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            background: transparent;
            color: var(--color-text-white);
            font-size: 0.98rem;
            font-weight: 600;
            text-align: left;
            transition: color var(--transition);
        }

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

        .faq-question i {
            font-size: 0.8rem;
            color: var(--color-accent-cyan);
            transition: transform var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--color-text-gray);
            line-height: 1.65;
        }

        /* CTA section */
        .cta-section {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: linear-gradient(135deg, #0B1A30 0%, #0D2A45 55%, #0F0C20 100%);
            border: 1px solid var(--color-border-strong);
            padding: 56px 40px;
            text-align: center;
            box-shadow: var(--shadow-neon);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
        }

        .cta-section > * {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            color: var(--color-text-white);
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-gray);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.65;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* Section spacing */
        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: rgba(255, 255, 255, 0.015);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 28px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            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: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            transition: all var(--transition);
            opacity: 0.65;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 36px rgba(0, 240, 255, 0.55);
        }

        .fab:active {
            transform: scale(0.95);
            border-color: var(--color-accent-pink);
        }

        .fab .fab-notification {
            position: absolute;
            top: 3px;
            right: 3px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--color-accent-pink);
            border: 2px solid #0F0C20;
            animation: blink 1.6s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.85; }
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* Footer */
        .site-footer {
            background: #0A0819;
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-text {
            display: inline-block;
            margin-bottom: 12px;
            font-size: 1.3rem;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.65;
            max-width: 400px;
        }

        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text-white);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.86rem;
            color: var(--color-text-gray);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .footer-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.76rem;
            font-weight: 600;
            color: var(--color-text-gray);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 60px;
            }
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .mobile-menu.show {
                display: flex;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-flex;
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .hero-section {
                min-height: auto;
            }
            .hero-content {
                padding: 50px 0 60px;
            }
            .hero-title {
                font-size: clamp(1.8rem, 6vw, 2.6rem);
            }
            .countdown-bar {
                padding: 12px 16px;
                gap: 8px 14px;
            }
            .countdown-unit {
                min-width: 40px;
                padding: 4px 8px;
            }
            .countdown-unit span:first-child {
                font-size: 1.1rem;
            }
            .section {
                padding: 42px 0;
            }
            .game-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .stats-band {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 24px 0;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .ranking-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .cta-section {
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .fab {
                left: 12px;
                bottom: 80px;
                width: 50px;
                height: 50px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.95rem;
            }
            .countdown-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-band {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.5);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(15, 12, 32, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent-lime);
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 20px;
            align-items: center;
        }
        .nav-links li a {
            padding: 8px 12px;
            border-radius: 6px;
            font-weight: 500;
            color: var(--text-silver);
            transition: all 0.3s;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            padding: 8px 20px;
            border-radius: 8px;
            font-weight: 500;
            color: var(--text-white);
            border: 1px solid var(--text-silver);
            transition: all 0.3s;
        }
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .btn-signup {
            padding: 8px 20px;
            border-radius: 8px;
            font-weight: 700;
            background: var(--accent-lime);
            color: #0F0C20;
            transition: all 0.3s;
            border: none;
        }
        .btn-signup:hover {
            background: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-white);
        }
        /* Mobile nav */
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-primary);
                flex-direction: column;
                padding: 20px;
                gap: 10px;
                display: none;
            }
            .nav-links.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 8px 14px;
                font-size: 0.9rem;
            }
        }
        /* Hero */
        .hero {
            padding-top: 110px;
            padding-bottom: 80px;
            background-image: linear-gradient(rgba(15,12,32,0.85), rgba(15,12,32,0.9)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }
        .hero-text {
            flex: 1;
            min-width: 300px;
        }
        .hero-badge {
            display: inline-block;
            padding: 5px 15px;
            background: var(--accent-lime);
            color: #0F0C20;
            font-weight: 700;
            border-radius: 30px;
            font-size: 0.9rem;
            margin-bottom: 15px;
        }
        .hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-white);
        }
        .hero h1 span {
            color: var(--accent-cyan);
        }
        .hero p {
            font-size: 1.1rem;
            color: var(--text-silver);
            margin-bottom: 30px;
            max-width: 600px;
        }
        .hero-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        .btn-primary {
            padding: 12px 30px;
            border-radius: 10px;
            background: var(--accent-lime);
            color: #0F0C20;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }
        .btn-secondary {
            padding: 12px 30px;
            border-radius: 10px;
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            border: 2px solid var(--accent-cyan);
            transition: all 0.3s;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: var(--shadow-neon);
        }
        .hero-image {
            flex: 1;
            min-width: 300px;
            display: flex;
            justify-content: center;
        }
        .hero-image img {
            max-width: 400px;
            border-radius: 20px;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
        }
        /* Sections */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 40px;
            text-align: left;
            color: var(--text-white);
        }
        .section-title span {
            color: var(--accent-cyan);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .feature-card {
            background: rgba(11, 26, 48, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s;
        }
        .feature-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            transform: translateY(-5px);
        }
        .feature-icon {
            font-size: 2.5rem;
            color: var(--accent-lime);
            margin-bottom: 15px;
        }
        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-silver);
        }
        /* Steps */
        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
        }
        .step {
            background: rgba(11, 26, 48, 0.6);
            border-radius: 16px;
            padding: 30px;
            text-align: left;
            position: relative;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }
        .step-number {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: var(--accent-cyan);
            color: #0F0C20;
            border-radius: 50%;
            font-weight: 700;
            text-align: center;
            line-height: 40px;
            margin-bottom: 15px;
        }
        .step h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .step p {
            color: var(--text-silver);
        }
        /* Payment */
        .payment-methods {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
        }
        .payment-badge {
            background: rgba(11, 26, 48, 0.8);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 10px;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-white);
            font-weight: 500;
        }
        .payment-badge i {
            color: var(--accent-lime);
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0;
        }
        .faq-item {
            background: rgba(11, 26, 48, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
        }
        .faq-question {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--text-white);
        }
        .faq-question i {
            color: var(--accent-cyan);
            transition: transform 0.3s;
        }
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            color: var(--text-silver);
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-bottom: 20px;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0B1A30 0%, #0F0C20 100%);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 20px;
            padding: 60px 30px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 20px;
        }
        .cta-section p {
            color: var(--text-silver);
            margin-bottom: 30px;
        }
        /* Footer */
        .site-footer {
            background: #0B1A30;
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand p {
            color: var(--text-silver);
            margin-top: 15px;
            max-width: 400px;
        }
        .footer-col h5 {
            color: var(--accent-lime);
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-silver);
            transition: all 0.3s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-badges {
            display: flex;
            gap: 15px;
        }
        .footer-badge {
            display: flex;
            align-items: center;
            gap: 5px;
            background: rgba(255,255,255,0.05);
            padding: 5px 12px;
            border-radius: 6px;
            color: var(--text-silver);
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 1.8rem; }
            .section-title { font-size: 1.6rem; }
            .footer-top { grid-template-columns: 1fr; }
        }