/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-pale: #D1F2EB;
            --text-muted: #A8C4B8;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
            --shadow-dark: 0 12px 35px rgba(0, 0, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-section: 4.5rem;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        
        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: var(--transition);
        }
        
        a:hover {
            color: #FFEB80;
            text-decoration: none;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button:focus,
        a:focus,
        input:focus,
        select:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
        }
        
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        
        /* Header & Navigation */
        .site-header {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: var(--transition);
        }
        
        .site-header.scrolled {
            background: rgba(8, 36, 22, 0.98);
            box-shadow: 0 4px 25px rgba(0, 0, 0, 0.5);
        }
        
        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.9rem 0;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .navbar-logo {
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--accent-gold);
            letter-spacing: 0.01em;
            line-height: 1.3;
            transition: var(--transition);
        }
        
        .navbar-logo:hover {
            color: #FFEB80;
            transform: translateY(-1px);
        }
        
        .navbar-logo .logo-short {
            display: block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-pale);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }
        
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        
        .nav-menu li a {
            color: var(--text-pale);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 0.45rem 0.8rem;
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .nav-menu li a:hover,
        .nav-menu li a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            flex-shrink: 0;
        }
        
        .btn-login {
            color: var(--text-pale);
            font-weight: 600;
            font-size: 0.92rem;
            background: transparent;
            border: none;
            padding: 0.5rem 0.8rem;
            transition: var(--transition);
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #1A1A1A;
            font-weight: 700;
            font-size: 0.92rem;
            padding: 0.55rem 1.2rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
        }
        
        .btn-signup:hover {
            background: linear-gradient(135deg, #FFE44D, #FFB84D);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.45);
            color: #1A1A1A;
        }
        
        .mobile-menu-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-white);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .mobile-menu-toggle:hover {
            background: rgba(255, 215, 0, 0.15);
            border-color: var(--accent-gold);
        }
        
        /* Hero Section */
        .hero-section {
            position: relative;
            padding: 9rem 0 5rem;
            background-image: linear-gradient(135deg, rgba(10, 46, 28, 0.92), rgba(18, 62, 37, 0.85)), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-gold);
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(255, 215, 0, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 0.5rem 1.1rem;
            border-radius: 50px;
            margin-bottom: 1.8rem;
            letter-spacing: 0.04em;
        }
        
        .hero-tag i {
            font-size: 0.8rem;
        }
        
        .hero-section h1 {
            font-size: 2.9rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 1.3rem;
            letter-spacing: -0.01em;
        }
        
        .hero-section h1 .highlight {
            color: var(--accent-gold);
            position: relative;
        }
        
        .hero-desc {
            font-size: 1.08rem;
            color: var(--text-pale);
            margin-bottom: 2.2rem;
            max-width: 620px;
            line-height: 1.65;
        }
        
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
            margin-bottom: 2.8rem;
        }
        
        .btn-primary-custom {
            background: linear-gradient(135deg, #FFD700, #FF8C00);
            color: #1A1A1A;
            font-weight: 700;
            font-size: 1rem;
            padding: 0.85rem 1.9rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        
        .btn-primary-custom:hover {
            background: linear-gradient(135deg, #FFE44D, #FFA040);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: #1A1A1A;
        }
        
        .btn-outline-custom {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 0.85rem 1.7rem;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        
        .btn-outline-custom:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
        }
        
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.2rem;
        }
        
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        
        .hero-stat-number {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        
        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 0.2rem;
        }
        
        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: flex-end;
        }
        
        .hero-visual-card {
            background: rgba(18, 62, 37, 0.85);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: 1.8rem;
            backdrop-filter: blur(15px);
            box-shadow: var(--shadow-dark);
            max-width: 360px;
            width: 100%;
        }
        
        .hero-visual-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        
        .hero-visual-item {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            padding: 0.7rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        .hero-visual-item:last-child {
            border-bottom: none;
        }
        
        .hero-visual-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1rem;
            flex-shrink: 0;
        }
        
        .hero-visual-text {
            font-size: 0.9rem;
            color: var(--text-pale);
            font-weight: 500;
        }
        
        /* Section General */
        .section-block {
            padding: var(--spacing-section) 0;
            position: relative;
        }
        
        .section-block.alt-bg {
            background: var(--secondary-bg);
        }
        
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 1rem;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }
        
        .section-desc {
            font-size: 1.02rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
            max-width: 720px;
            line-height: 1.6;
        }
        
        /* Film Track / Slider Section */
        .film-track-section {
            background: linear-gradient(180deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
        }
        
        .film-track-wrapper {
            display: flex;
            gap: 1.2rem;
            overflow-x: auto;
            padding: 0.5rem 0.2rem 1.8rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--accent-gold) rgba(255, 255, 255, 0.05);
        }
        
        .film-track-wrapper::-webkit-scrollbar {
            height: 5px;
        }
        
        .film-track-wrapper::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
        }
        
        .film-track-wrapper::-webkit-scrollbar-thumb {
            background: var(--accent-gold);
            border-radius: 10px;
        }
        
        .film-track-card {
            min-width: 240px;
            max-width: 240px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            overflow: hidden;
            scroll-snap-align: start;
            transition: var(--transition);
            flex-shrink: 0;
            position: relative;
        }
        
        .film-track-card:hover {
            transform: translateY(-6px);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .film-track-cover {
            position: relative;
            height: 160px;
            overflow: hidden;
        }
        
        .film-track-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        
        .film-track-card:hover .film-track-cover img {
            transform: scale(1.08);
        }
        
        .film-track-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            padding: 1.2rem 0.8rem 0.5rem;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.9rem;
            opacity: 0;
            transition: var(--transition);
        }
        
        .film-track-card:hover .film-track-overlay {
            opacity: 1;
        }
        
        .film-track-info {
            padding: 1rem;
        }
        
        .film-track-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.3rem;
        }
        
        .film-track-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        
        /* Hot Recommendations */
        .hot-rec-section {
            background: var(--primary-bg);
        }
        
        .hot-rec-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }
        
        .hot-rec-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        
        .hot-rec-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: rgba(255, 215, 0, 0.2);
            line-height: 1;
            margin-bottom: 0.8rem;
        }
        
        .hot-rec-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        
        .hot-rec-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 1.1rem;
            line-height: 1.55;
        }
        
        .btn-sm-custom {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            transition: var(--transition);
            display: inline-block;
        }
        
        .btn-sm-custom:hover {
            background: rgba(255, 215, 0, 0.2);
            color: #FFEB80;
            border-color: var(--accent-gold);
        }
        
        /* Category Partition */
        .category-partition-section {
            background: linear-gradient(180deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
        }
        
        .category-partition-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        
        .category-partition-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .category-partition-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }
        
        .category-partition-cover {
            height: 170px;
            overflow: hidden;
            position: relative;
        }
        
        .category-partition-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        
        .category-partition-card:hover .category-partition-cover img {
            transform: scale(1.07);
        }
        
        .category-partition-body {
            padding: 1.4rem;
        }
        
        .category-partition-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.5rem;
        }
        
        .category-partition-desc {
            font-size: 0.87rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 1rem;
        }
        
        /* Content Calendar */
        .content-calendar-section {
            background: var(--primary-bg);
        }
        
        .calendar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .calendar-item {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            padding: 1.1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        
        .calendar-item:last-child {
            border-bottom: none;
        }
        
        .calendar-item:hover {
            padding-left: 0.8rem;
        }
        
        .calendar-date {
            min-width: 70px;
            text-align: center;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: 10px;
            padding: 0.5rem 0.7rem;
            flex-shrink: 0;
        }
        
        .calendar-day {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        
        .calendar-month {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        .calendar-content {
            flex: 1;
        }
        
        .calendar-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 0.2rem;
        }
        
        .calendar-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* Latest News Section */
        .latest-news-section {
            background: var(--secondary-bg);
        }
        
        .news-list-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2.5rem;
        }
        
        .news-main-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .news-main-item {
            padding: 1.2rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        
        .news-main-item:hover {
            padding-left: 0.6rem;
        }
        
        .news-main-item a {
            display: block;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.02rem;
            margin-bottom: 0.4rem;
            transition: var(--transition);
        }
        
        .news-main-item a:hover {
            color: var(--accent-gold);
        }
        
        .news-main-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        
        .news-sidebar {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 1.6rem;
            height: fit-content;
        }
        
        .news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
        }
        
        .news-sidebar-item {
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        
        .news-sidebar-item:last-child {
            border-bottom: none;
        }
        
        .news-sidebar-item a {
            color: var(--text-pale);
            font-size: 0.88rem;
            font-weight: 500;
            display: block;
            transition: var(--transition);
        }
        
        .news-sidebar-item a:hover {
            color: var(--accent-gold);
        }
        
        /* FAQ Section */
        .faq-section {
            background: var(--primary-bg);
        }
        
        .faq-accordion .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-accordion .accordion-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }
        
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 1.2rem 1.4rem;
            border: none;
            transition: var(--transition);
        }
        
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.06);
            color: var(--accent-gold);
            box-shadow: none;
        }
        
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--accent-gold);
            outline-offset: -2px;
        }
        
        .faq-accordion .accordion-button::after {
            filter: invert(1) brightness(1.5);
        }
        
        .faq-accordion .accordion-body {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
            padding: 1.2rem 1.4rem 1.5rem;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #1A4A2E 50%, #0A2E1C 100%);
            padding: 4.5rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .cta-section h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }
        
        .cta-section p {
            color: var(--text-pale);
            font-size: 1.02rem;
            margin-bottom: 2rem;
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Footer */
        .site-footer {
            background: #071F13;
            border-top: 1px solid var(--border-gold);
            padding: 3.5rem 0 1.8rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        
        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }
        
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 1.2rem;
        }
        
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-col ul li {
            margin-bottom: 0.7rem;
        }
        
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        
        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
        }
        
        .footer-badges {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }
        
        .footer-badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 50px;
            padding: 0.35rem 0.9rem;
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        
        /* FAB */
        .floating-fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1080;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A, #0A2E1C);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            cursor: pointer;
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
            position: relative;
        }
        
        .floating-fab::after {
            content: '';
            position: absolute;
            top: 4px;
            right: 4px;
            width: 10px;
            height: 10px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: fabBlink 2s ease-in-out infinite;
        }
        
        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        
        .floating-fab:active {
            transform: scale(0.95);
        }
        
        @keyframes fabFloat {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        
        @keyframes fabBlink {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-section h1 {
                font-size: 2.4rem;
            }
            
            .news-list-wrapper {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .news-sidebar {
                order: -1;
            }
        }
        
        @media (max-width: 768px) {
            :root {
                --spacing-section: 3rem;
            }
            
            .navbar-wrapper {
                flex-wrap: nowrap;
            }
            
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(8, 36, 22, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.2rem;
                gap: 0.5rem;
                border-bottom: 1px solid var(--border-gold);
                box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
            }
            
            .nav-menu.show {
                display: flex;
            }
            
            .nav-menu li a {
                display: block;
                width: 100%;
                padding: 0.8rem 1rem;
                font-size: 0.95rem;
            }
            
            .mobile-menu-toggle {
                display: flex;
            }
            
            .nav-auth {
                gap: 0.4rem;
            }
            
            .btn-login {
                font-size: 0.82rem;
                padding: 0.45rem 0.6rem;
            }
            
            .btn-signup {
                font-size: 0.82rem;
                padding: 0.45rem 0.9rem;
            }
            
            .hero-section {
                padding: 7.5rem 0 3.5rem;
            }
            
            .hero-section h1 {
                font-size: 1.9rem;
            }
            
            .hero-desc {
                font-size: 0.98rem;
            }
            
            .hero-visual {
                justify-content: flex-start;
                margin-top: 2.5rem;
            }
            
            .section-title {
                font-size: 1.6rem;
            }
            
            .film-track-card {
                min-width: 200px;
                max-width: 200px;
            }
            
            .film-track-cover {
                height: 130px;
            }
            
            .category-partition-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-section h2 {
                font-size: 1.7rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.8rem;
            }
        }
        
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 1rem;
            }
            
            .hero-section h1 {
                font-size: 1.6rem;
            }
            
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            
            .hero-cta-group .btn-primary-custom,
            .hero-cta-group .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            
            .hero-stats {
                gap: 1.4rem;
            }
            
            .hero-stat-number {
                font-size: 1.3rem;
            }
            
            .film-track-card {
                min-width: 170px;
                max-width: 170px;
            }
            
            .film-track-cover {
                height: 110px;
            }
            
            .calendar-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.7rem;
            }
            
            .calendar-date {
                min-width: auto;
                display: flex;
                gap: 0.5rem;
                align-items: center;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            
            .floating-fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 0.8rem;
                bottom: 5rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --bg-card: #111827;
            --bg-card-hover: #162033;
            --accent-electric: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-pink: #FF007F;
            --accent-lime: #CCFF00;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 82, 255, 0.5);
            --border-cyan: rgba(0, 240, 255, 0.5);
            --shadow-cyan: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-electric: 0 0 15px rgba(0, 82, 255, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.75rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--bg-deep);
            color: var(--text-silver);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container-custom {
            width: min(1200px, 100% - 3rem);
            margin-inline: auto;
        }
        .section-padding {
            padding: var(--spacing-xl) 0;
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-lg);
            max-width: 700px;
        }
        .text-gradient-cyan {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-electric));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .text-gradient-pink {
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .badge-cyber {
            display: inline-block;
            padding: 0.25rem 0.85rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: 1px solid var(--border-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            text-transform: uppercase;
        }
        .badge-pink {
            display: inline-block;
            padding: 0.25rem 0.85rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: 1px solid rgba(255, 0, 127, 0.5);
            color: var(--accent-pink);
            background: rgba(255, 0, 127, 0.08);
            text-transform: uppercase;
        }
        .divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-cyan), var(--border-glow), transparent);
            margin: var(--spacing-lg) 0;
            opacity: 0.6;
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 4px 25px rgba(0, 0, 0, 0.5);
        }
        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            padding: 0.85rem 0;
            flex-wrap: wrap;
        }
        .navbar-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: -0.01em;
        }
        .navbar-logo .logo-short {
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .nav-menu a {
            display: inline-block;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            color: var(--text-silver);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a:focus {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.08);
        }
        .nav-menu a.active {
            color: var(--bg-deep);
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-electric));
            font-weight: 700;
        }
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--accent-cyan);
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-electric), var(--accent-cyan));
            border: none;
            color: var(--text-white);
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.35);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 240, 255, 0.45);
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 1.3rem;
            padding: 0.4rem 0.75rem;
            border-radius: 8px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(0, 240, 255, 0.1);
        }

        /* Hero / Banner */
        .category-hero {
            position: relative;
            padding: var(--spacing-xl) 0;
            background: linear-gradient(160deg, var(--bg-navy) 0%, var(--bg-deep) 60%), url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            overflow: hidden;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            top: -50%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12), transparent 70%);
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
            max-width: 800px;
        }
        .category-hero .hero-desc {
            font-size: 1.15rem;
            color: var(--text-silver);
            max-width: 750px;
            margin-bottom: var(--spacing-md);
        }
        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-cyber-primary {
            background: linear-gradient(135deg, var(--accent-electric), var(--accent-cyan));
            border: none;
            color: var(--text-white);
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 25px rgba(0, 82, 255, 0.4);
            cursor: pointer;
        }
        .btn-cyber-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(0, 240, 255, 0.5);
        }
        .btn-cyber-outline {
            background: transparent;
            border: 1.5px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-cyber-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: var(--shadow-cyan);
        }
        .countdown-strip {
            display: flex;
            gap: 1.5rem;
            align-items: center;
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
            padding: 1rem 1.5rem;
            background: rgba(8, 9, 15, 0.75);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            backdrop-filter: blur(10px);
            max-width: 550px;
        }
        .countdown-item {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .countdown-item .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.1;
        }
        .countdown-item .label {
            font-size: 0.72rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .countdown-divider {
            font-size: 1.5rem;
            color: var(--accent-cyan);
            font-weight: 700;
        }

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1.5rem;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-electric), var(--accent-cyan), transparent);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }
        .feature-card:hover {
            border-color: var(--border-cyan);
            transform: translateY(-5px);
            box-shadow: var(--shadow-cyan);
            background: var(--bg-card-hover);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            font-size: 2rem;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }
        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Rules Section */
        .rules-block {
            background: var(--bg-navy);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        .rules-block h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .rules-block h2 i {
            color: var(--accent-cyan);
            font-size: 1.4rem;
        }
        .rules-list {
            list-style: none;
            padding: 0;
            margin: var(--spacing-sm) 0 0 0;
        }
        .rules-list li {
            padding: 0.75rem 0 0.75rem 2rem;
            position: relative;
            border-bottom: 1px solid rgba(0, 240, 255, 0.06);
            font-size: 0.98rem;
            color: var(--text-silver);
        }
        .rules-list li:last-child {
            border-bottom: none;
        }
        .rules-list li::before {
            content: "\f0da";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0.3rem;
            color: var(--accent-electric);
            font-size: 0.85rem;
            top: 0.9rem;
        }
        .rule-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: linear-gradient(135deg, var(--accent-electric), var(--accent-cyan));
            color: var(--text-white);
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.85rem;
            margin-right: 0.5rem;
        }

        /* Table */
        .rules-table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-sm) 0;
        }
        .rules-table th,
        .rules-table td {
            padding: 0.8rem 1rem;
            text-align: left;
            border-bottom: 1px solid rgba(0, 240, 255, 0.08);
            font-size: 0.92rem;
        }
        .rules-table th {
            background: rgba(0, 82, 255, 0.15);
            color: var(--text-white);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            font-size: 0.8rem;
        }
        .rules-table td {
            color: var(--text-silver);
        }
        .rules-table tr:hover td {
            background: rgba(0, 240, 255, 0.03);
        }

        /* Media Object */
        .media-object {
            display: flex;
            gap: 2rem;
            align-items: center;
            flex-wrap: wrap;
        }
        .media-object .media-img {
            flex: 0 0 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: var(--shadow-electric);
        }
        .media-object .media-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .media-object .media-body {
            flex: 1;
            min-width: 260px;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-md) !important;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 1.1rem 1.5rem;
            font-size: 1rem;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 82, 255, 0.12);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        .faq-accordion .accordion-button::after {
            filter: invert(0.7) sepia(1) saturate(5) hue-rotate(160deg);
        }
        .faq-accordion .accordion-body {
            color: var(--text-silver);
            padding: 1.1rem 1.5rem;
            font-size: 0.95rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-navy), var(--bg-deep));
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -40%;
            left: 20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15), transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--spacing-sm);
        }
        .cta-section p {
            color: var(--text-silver);
            max-width: 650px;
            margin: 0 auto var(--spacing-md);
        }
        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid rgba(0, 240, 255, 0.12);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand h3 {
            color: var(--text-white);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            max-width: 400px;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            padding-top: var(--spacing-sm);
            border-top: 1px solid rgba(0, 240, 255, 0.08);
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-badges {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.35rem 0.85rem;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--text-silver);
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* FAB */
        .fab-cyber {
            position: fixed;
            left: 1.1rem;
            bottom: 5.5rem;
            z-index: 1040;
            width: 58px;
            height: 58px;
            border-radius: 18px;
            background: rgba(8, 9, 15, 0.65);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, var(--accent-cyan), var(--accent-electric), var(--accent-pink));
            border-image-slice: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.6rem;
            cursor: pointer;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            opacity: 0.65;
            transition: all var(--transition-smooth);
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-cyber:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
            color: var(--text-white);
        }
        .fab-cyber:active {
            transform: scale(0.95);
            border-image: linear-gradient(135deg, var(--accent-pink), var(--accent-cyan));
            border-image-slice: 1;
        }
        .fab-cyber .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: var(--accent-pink);
            border-radius: 50%;
            animation: blinkNeon 1.2s ease-in-out infinite;
            border: 2px solid var(--bg-deep);
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blinkNeon {
            0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--accent-pink); }
            50% { opacity: 0.3; box-shadow: 0 0 2px var(--accent-pink); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .media-object .media-img {
                flex: 0 0 220px;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                width: min(100% - 2rem, 100%);
            }
            .navbar-wrapper {
                flex-wrap: nowrap;
            }
            .nav-menu {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.5rem;
                gap: 0.5rem;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                transform: translateY(-120%);
                transition: transform 0.3s ease;
                z-index: 1030;
                box-shadow: 0 20px 40px rgba(0,0,0,0.6);
            }
            .nav-menu.open {
                transform: translateY(0);
            }
            .nav-menu a {
                display: block;
                width: 100%;
                text-align: center;
                padding: 0.8rem;
            }
            .nav-auth {
                margin-left: auto;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .media-object {
                flex-direction: column;
                align-items: flex-start;
            }
            .media-object .media-img {
                flex: 0 0 auto;
                width: 100%;
                max-width: 350px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .rules-block {
                padding: var(--spacing-md);
            }
            .countdown-strip {
                gap: 0.75rem;
                padding: 0.75rem 1rem;
            }
            .countdown-item .num {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.5rem;
            }
            .category-hero {
                padding: var(--spacing-lg) 0;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .btn-cyber-primary,
            .btn-cyber-outline {
                width: 100%;
                text-align: center;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .cta-section {
                padding: var(--spacing-lg) var(--spacing-sm);
            }
            .fab-cyber {
                width: 50px;
                height: 50px;
                left: 0.8rem;
                bottom: 4.5rem;
                font-size: 1.3rem;
            }
            .navbar-logo {
                font-size: 0.95rem;
            }
            .navbar-logo .logo-short {
                font-size: 0.65rem;
            }
            .btn-login,
            .btn-signup {
                padding: 0.4rem 0.9rem;
                font-size: 0.8rem;
            }
            .nav-auth {
                gap: 0.4rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B0B0B;
            --bg-secondary: #161616;
            --bg-card: #1C1C1E;
            --bg-elevated: #232326;
            --accent-orange: #FF4500;
            --accent-red: #FF0000;
            --accent-warm: #FF6B35;
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #9A9A9A;
            --border-subtle: #2A2A2D;
            --border-accent: rgba(255, 69, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
            --shadow-accent: 0 8px 30px rgba(255, 69, 0, 0.18);
            --font-primary: 'Be Vietnam Pro', sans-serif;
            --font-secondary: 'Inter', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-primary);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--accent-orange);
        }

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

        button {
            font-family: var(--font-primary);
            cursor: pointer;
            border: none;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--accent-orange);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(11, 11, 11, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(11, 11, 11, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
        }

        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .navbar-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            transition: color var(--transition-fast);
        }

        .navbar-logo:hover {
            color: var(--accent-orange);
        }

        .logo-short {
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--accent-orange);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu a {
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

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

        .nav-menu a.active {
            color: var(--accent-orange);
            background: rgba(255, 69, 0, 0.12);
            font-weight: 600;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 14px;
            border-radius: 100px;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            color: var(--text-primary);
            border-color: var(--border-subtle);
            background: rgba(255, 255, 255, 0.04);
        }

        .btn-signup {
            background: linear-gradient(135deg, #FF4500, #FF0000);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 9px 20px;
            border-radius: 100px;
            box-shadow: var(--shadow-accent);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 69, 0, 0.35);
            color: #fff;
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* Article Hero */
        .article-hero {
            padding: 130px 0 50px;
            background: linear-gradient(180deg, #161616 0%, #0B0B0B 100%);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -100px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-hero .badge-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 69, 0, 0.14);
            color: var(--accent-orange);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 100px;
            border: 1px solid rgba(255, 69, 0, 0.3);
            margin-bottom: 16px;
        }

        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
            color: var(--text-primary);
            max-width: 900px;
        }

        .article-hero .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            color: var(--text-muted);
            font-size: 0.88rem;
        }

        .article-hero .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Article Body */
        .article-body-wrapper {
            padding: 48px 0 70px;
        }

        .article-body-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 40px;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

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

        .article-content p {
            margin-bottom: 1.2rem;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2rem 0 1rem;
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 1.6rem 0 0.8rem;
        }

        .article-content ul,
        .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
        }

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

        .article-content img {
            border-radius: var(--radius-md);
            margin: 1.6rem 0;
            box-shadow: var(--shadow-md);
        }

        .article-content blockquote {
            border-left: 3px solid var(--accent-orange);
            background: var(--bg-card);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--text-primary);
            font-style: italic;
        }

        .article-content a {
            color: var(--accent-orange);
            font-weight: 500;
        }

        .article-content a:hover {
            text-decoration: underline;
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 92px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 i {
            color: var(--accent-orange);
            font-size: 0.9rem;
        }

        .sidebar-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .sidebar-card ul li {
            margin-bottom: 10px;
        }

        .sidebar-card ul li:last-child {
            margin-bottom: 0;
        }

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

        .sidebar-card ul a i {
            color: var(--accent-orange);
            font-size: 0.7rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

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

        .sidebar-cta {
            background: linear-gradient(135deg, #1C1C1E, #232326);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: left;
            box-shadow: var(--shadow-accent);
        }

        .sidebar-cta h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .sidebar-cta p {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 16px;
        }

        .btn-sidebar-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #FF4500, #FF0000);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 100px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
        }

        .btn-sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 69, 0, 0.35);
            color: #fff;
        }

        /* Article Not Found */
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }

        .article-not-found i {
            font-size: 3.5rem;
            color: var(--accent-orange);
            margin-bottom: 20px;
            opacity: 0.7;
        }

        .article-not-found h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #FF4500, #FF0000);
            color: #fff;
            font-weight: 700;
            padding: 12px 24px;
            border-radius: 100px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 12px 32px rgba(255, 69, 0, 0.35);
        }

        /* Bottom CTA */
        .article-bottom-cta {
            margin-top: 48px;
            background: linear-gradient(135deg, #1C1C1E, #232326);
            border: 1px solid var(--border-accent);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .article-bottom-cta::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 69, 0, 0.15) 0%, transparent 70%);
        }

        .article-bottom-cta h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .article-bottom-cta p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .btn-article-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #FF4500, #FF0000);
            color: #fff;
            font-weight: 700;
            padding: 12px 26px;
            border-radius: 100px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
            position: relative;
            z-index: 1;
        }

        .btn-article-cta:hover {
            transform: translateY(-2px);
            color: #fff;
            box-shadow: 0 12px 32px rgba(255, 69, 0, 0.35);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 60px 0 30px;
            margin-top: 30px;
        }

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

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin: 0;
        }

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 6px 12px;
            border-radius: 100px;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 11, 11, 0.75);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(255, 69, 0, 0.4);
            transition: all var(--transition-base);
            opacity: 0.7;
            animation: fabGlow 2.5s ease-in-out infinite;
        }

        .fab-floating::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FF4500, #FF0000, #FF4500);
            z-index: -1;
            animation: fabRotate 3s linear infinite;
        }

        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(255, 69, 0, 0.65);
        }

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

        .fab-floating .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid #0B0B0B;
            animation: fabBlink 1.2s ease-in-out infinite;
        }

        @keyframes fabGlow {
            0%, 100% { box-shadow: 0 0 18px rgba(255, 69, 0, 0.35); }
            50% { box-shadow: 0 0 30px rgba(255, 69, 0, 0.6); }
        }

        @keyframes fabRotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-body-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .navbar-wrapper {
                height: 64px;
            }

            .nav-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(11, 11, 11, 0.98);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border-subtle);
                transform: translateY(-120%);
                transition: transform var(--transition-base);
                z-index: 1049;
                box-shadow: var(--shadow-lg);
            }

            .nav-menu.open {
                transform: translateY(0);
            }

            .nav-menu a {
                display: block;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }

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

            .nav-auth {
                gap: 6px;
            }

            .btn-login,
            .btn-signup {
                font-size: 0.82rem;
                padding: 7px 12px;
            }

            .article-hero {
                padding: 110px 0 40px;
            }

            .article-hero h1 {
                font-size: 1.6rem;
            }

            .article-body-wrapper {
                padding: 32px 0 50px;
            }

            .article-content {
                font-size: 0.95rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .footer-badges {
                justify-content: center;
            }

            .fab-floating {
                left: 12px;
                bottom: 80px;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .navbar-logo {
                font-size: 0.95rem;
            }

            .logo-short {
                font-size: 0.62rem;
            }

            .btn-login {
                font-size: 0.75rem;
                padding: 6px 10px;
            }

            .btn-signup {
                font-size: 0.75rem;
                padding: 7px 14px;
            }

            .article-hero h1 {
                font-size: 1.4rem;
            }

            .article-hero .article-meta {
                font-size: 0.8rem;
                gap: 10px;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .article-content h3 {
                font-size: 1.05rem;
            }

            .article-bottom-cta {
                padding: 24px 18px;
            }

            .article-bottom-cta h3 {
                font-size: 1.2rem;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #061F13;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9BB8AD;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-soft: rgba(209, 242, 235, 0.15);
            --radius-sm: 10px;
            --radius-md: 18px;
            --radius-lg: 26px;
            --shadow-sm: 0 4px 14px rgba(0,0,0,0.18);
            --shadow-md: 0 10px 32px rgba(0,0,0,0.28);
            --shadow-gold: 0 6px 24px rgba(255, 215, 0, 0.18);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', system-ui, sans-serif;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-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 var(--transition-base);
        }
        
        a:hover {
            color: var(--accent-gold);
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button {
            cursor: pointer;
            border: none;
            outline: none;
            font-family: inherit;
        }
        
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(6, 31, 19, 0.95);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            transition: all var(--transition-base);
            padding: 12px 0;
        }
        
        .site-header.scrolled {
            padding: 8px 0;
            background: rgba(6, 31, 19, 0.98);
            box-shadow: 0 6px 28px rgba(0,0,0,0.35);
        }
        
        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        
        .navbar-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-white);
            font-size: 1.2rem;
            letter-spacing: 0.02em;
            min-width: 180px;
        }
        
        .navbar-logo .logo-short {
            font-size: 0.72rem;
            color: var(--accent-gold);
            font-weight: 500;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }
        
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }
        
        .nav-menu li a {
            display: inline-block;
            padding: 9px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-mint);
            border-radius: 50px;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        
        .nav-menu li a:hover {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        
        .nav-menu li a.active {
            color: var(--bg-dark);
            background: var(--accent-gold);
            font-weight: 600;
        }
        
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        
        .btn-login {
            padding: 9px 18px;
            font-size: 0.88rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-mint);
            border: 1px solid var(--border-soft);
            border-radius: 50px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        
        .btn-login:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }
        
        .btn-signup {
            padding: 9px 20px;
            font-size: 0.88rem;
            font-weight: 700;
            background: var(--accent-gold);
            color: var(--bg-dark);
            border-radius: 50px;
            transition: all var(--transition-base);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.28);
        }
        
        .btn-signup:hover {
            background: #FFE44D;
            color: var(--bg-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
        }
        
        .mobile-menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 10px;
            color: var(--accent-gold);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-base);
        }
        
        .mobile-menu-toggle:hover {
            background: rgba(255, 215, 0, 0.22);
        }
        
        /* Hero Section */
        .category-hero {
            position: relative;
            padding: 150px 0 80px;
            background: linear-gradient(165deg, var(--bg-dark) 0%, var(--bg-primary) 45%, var(--bg-secondary) 100%);
            overflow: hidden;
        }
        
        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(211, 47, 47, 0.12) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 22px;
            letter-spacing: 0.04em;
        }
        
        .hero-badge i {
            font-size: 0.9rem;
        }
        
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
            max-width: 800px;
        }
        
        .category-hero .hero-desc {
            font-size: 1.08rem;
            color: var(--text-mint);
            line-height: 1.65;
            max-width: 680px;
            margin-bottom: 32px;
        }
        
        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }
        
        .hero-stat {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .hero-stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.14);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        
        .hero-stat-info strong {
            display: block;
            font-size: 1.25rem;
            color: var(--text-white);
            font-weight: 700;
        }
        
        .hero-stat-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* Game Detail Sections */
        .game-detail-section {
            padding: 70px 0;
        }
        
        .game-detail-section.alt-bg {
            background: var(--bg-secondary);
        }
        
        .section-heading {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }
        
        .section-heading-left h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        
        .section-heading-left p {
            color: var(--text-muted);
            font-size: 0.98rem;
            max-width: 580px;
            line-height: 1.6;
        }
        
        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            color: var(--accent-gold);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.05em;
        }
        
        .game-info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        
        .game-info-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition-base);
        }
        
        .game-info-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        
        .game-info-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .game-info-card h3 i {
            color: var(--accent-gold);
        }
        
        .game-info-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.65;
        }
        
        .game-info-card ul {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        
        .game-info-card ul li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.5;
            border-bottom: 1px solid rgba(209, 242, 235, 0.06);
        }
        
        .game-info-card ul li:last-child {
            border-bottom: none;
        }
        
        .game-info-card ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--accent-gold);
            font-size: 0.85rem;
        }
        
        /* Steps / Process */
        .steps-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 40px;
        }
        
        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 12px;
            bottom: 12px;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-gold), rgba(255, 215, 0, 0.1));
        }
        
        .step-item {
            position: relative;
            padding: 0 0 32px 20px;
        }
        
        .step-item:last-child {
            padding-bottom: 0;
        }
        
        .step-dot {
            position: absolute;
            left: -40px;
            top: 4px;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.95rem;
            z-index: 1;
        }
        
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        
        .step-item p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            max-width: 620px;
        }
        
        /* Pricing / Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }
        
        .comparison-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        
        .comparison-card:hover {
            border-color: rgba(255, 215, 0, 0.3);
        }
        
        .comparison-card.recommended {
            background: linear-gradient(145deg, rgba(255, 215, 0, 0.09), rgba(255, 215, 0, 0.03));
            border: 2px solid var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-8px);
        }
        
        .comparison-card .recommended-badge {
            position: absolute;
            top: -14px;
            left: 28px;
            padding: 6px 18px;
            background: var(--accent-gold);
            color: var(--bg-dark);
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 50px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        
        .comparison-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        
        .comparison-card .comparison-sub {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 20px;
        }
        
        .comparison-features {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
        }
        
        .comparison-features li {
            padding: 10px 0 10px 30px;
            position: relative;
            color: var(--text-mint);
            font-size: 0.92rem;
            border-bottom: 1px solid rgba(209, 242, 235, 0.06);
        }
        
        .comparison-features li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 10px;
            color: var(--accent-gold);
        }
        
        .btn-comparison {
            display: block;
            width: 100%;
            padding: 14px 24px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 50px;
            text-align: center;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        
        .btn-comparison.btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
        }
        
        .btn-comparison.btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
        }
        
        .btn-comparison.btn-solid-gold {
            background: var(--accent-gold);
            color: var(--bg-dark);
            border: 2px solid var(--accent-gold);
        }
        
        .btn-comparison.btn-solid-gold:hover {
            background: #FFE44D;
            color: var(--bg-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
        }
        
        /* Trust Badges */
        .trust-badges {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 20px 0;
        }
        
        .trust-badge-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: 50px;
            color: var(--text-mint);
            font-size: 0.88rem;
            font-weight: 500;
            transition: all var(--transition-base);
        }
        
        .trust-badge-item:hover {
            border-color: var(--border-gold);
            color: var(--accent-gold);
        }
        
        .trust-badge-item i {
            color: var(--accent-gold);
            font-size: 1.1rem;
        }
        
        /* FAQ */
        .faq-section {
            padding: 70px 0;
            background: var(--bg-dark);
        }
        
        .accordion-custom .accordion-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        
        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 18px 22px;
            box-shadow: none !important;
            border: none;
            letter-spacing: 0.01em;
        }
        
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
        }
        
        .accordion-custom .accordion-button::after {
            filter: brightness(0) invert(1);
        }
        
        .accordion-custom .accordion-body {
            color: var(--text-mint);
            font-size: 0.92rem;
            line-height: 1.65;
            padding: 8px 22px 20px;
        }
        
        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        
        .cta-content p {
            color: var(--text-mint);
            font-size: 1.05rem;
            line-height: 1.65;
            margin-bottom: 32px;
        }
        
        .btn-cta-primary {
            display: inline-block;
            padding: 16px 40px;
            font-size: 1.05rem;
            font-weight: 700;
            background: var(--accent-gold);
            color: var(--bg-dark);
            border-radius: 50px;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.3);
        }
        
        .btn-cta-primary:hover {
            background: #FFE44D;
            color: var(--bg-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 215, 0, 0.45);
        }
        
        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 215, 0, 0.12);
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        
        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.65;
        }
        
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-col ul li {
            margin-bottom: 10px;
        }
        
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: all var(--transition-base);
        }
        
        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 4px;
        }
        
        .footer-bottom {
            padding: 22px 0;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin: 0;
        }
        
        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: 50px;
            color: var(--text-mint);
            font-size: 0.78rem;
            font-weight: 500;
        }
        
        .footer-badge i {
            color: var(--accent-gold);
        }
        
        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1a3a2a, #0A2E1C);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-base);
            opacity: 0.7;
            cursor: pointer;
            animation: fabBreath 3s ease-in-out infinite;
        }
        
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.45);
        }
        
        .fab-support .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #FF0040;
            border-radius: 50%;
            border: 2px solid var(--bg-dark);
            animation: dotBlink 1.5s ease-in-out infinite;
        }
        
        @keyframes fabBreath {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 0.95; }
        }
        
        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            
            .category-hero h1 {
                font-size: 2.2rem;
            }
            
            .game-info-grid,
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .comparison-card.recommended {
                transform: translateY(0);
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            
            .navbar-wrapper {
                flex-wrap: wrap;
                gap: 10px;
            }
            
            .navbar-logo {
                min-width: auto;
                flex: 1;
            }
            
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(6, 31, 19, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 20px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.18);
                box-shadow: 0 20px 40px rgba(0,0,0,0.4);
            }
            
            .nav-menu.open {
                display: flex;
            }
            
            .nav-menu li a {
                display: block;
                padding: 14px 18px;
                font-size: 1rem;
                text-align: left;
            }
            
            .nav-auth {
                gap: 8px;
            }
            
            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            
            .mobile-menu-toggle {
                display: flex;
            }
            
            .category-hero {
                padding: 120px 0 50px;
            }
            
            .category-hero h1 {
                font-size: 1.8rem;
            }
            
            .category-hero .hero-desc {
                font-size: 0.95rem;
            }
            
            .hero-stats {
                gap: 20px;
            }
            
            .game-detail-section,
            .faq-section,
            .cta-section {
                padding: 50px 0;
            }
            
            .section-heading-left h2 {
                font-size: 1.6rem;
            }
            
            .game-info-card {
                padding: 20px;
            }
            
            .steps-timeline {
                padding-left: 32px;
            }
            
            .step-dot {
                left: -32px;
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }
            
            .comparison-card {
                padding: 24px 20px;
            }
            
            .cta-content h2 {
                font-size: 1.7rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 14px;
            }
            
            .fab-support {
                left: 12px;
                bottom: 80px;
                width: 50px;
                height: 50px;
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.5rem;
            }
            
            .hero-stats {
                flex-direction: column;
                gap: 14px;
            }
            
            .nav-auth {
                gap: 6px;
            }
            
            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.75rem;
            }
            
            .section-heading {
                flex-direction: column;
                gap: 12px;
            }
            
            .game-info-card h3 {
                font-size: 1.15rem;
            }
            
            .cta-content h2 {
                font-size: 1.4rem;
            }
            
            .cta-content p {
                font-size: 0.92rem;
            }
            
            .btn-cta-primary {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --card-bg: rgba(18, 20, 35, 0.92);
            --card-border: rgba(0, 240, 255, 0.18);
            --neon-glow-cyan: 0 0 15px rgba(0, 240, 255, 0.5);
            --neon-glow-lime: 0 0 15px rgba(204, 255, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.45);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background: linear-gradient(175deg, var(--primary-bg) 0%, var(--secondary-bg) 55%, #0D1525 100%);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

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

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .navbar-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
            flex-wrap: wrap;
        }

        .navbar-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            font-weight: 800;
            font-size: 1.15rem;
            color: var(--text-white);
            letter-spacing: 0.02em;
            transition: var(--transition-base);
        }

        .navbar-logo:hover {
            color: var(--accent-cyan);
            text-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
        }

        .logo-short {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--accent-lime);
            letter-spacing: 0.04em;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 8px;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            display: inline-block;
            padding: 10px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-silver);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-menu li a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-menu li a.active {
            color: var(--primary-bg);
            background: var(--accent-lime);
            box-shadow: var(--neon-glow-lime);
            font-weight: 700;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-login {
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.5);
            transition: var(--transition-base);
            background: transparent;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.3);
            color: #fff;
        }

        .btn-signup {
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--accent-lime);
            color: var(--primary-bg);
            transition: var(--transition-base);
            box-shadow: var(--neon-glow-lime);
        }

        .btn-signup:hover {
            background: #e0ff33;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(204, 255, 0, 0.45);
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-white);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(160deg, rgba(15, 12, 32, 0.85) 20%, rgba(11, 26, 48, 0.92) 70%),
                        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 90px 0 110px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -15%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.4);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: clamp(2.2rem, 5.5vw, 4rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-lime) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-silver);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.65;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 40px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-lime);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-silver);
            letter-spacing: 0.02em;
        }

        /* Section Common */
        .section-block {
            padding: 80px 0;
            position: relative;
        }

        .section-block:nth-child(even) {
            background: rgba(255, 255, 255, 0.02);
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 700px;
            margin-bottom: 40px;
            line-height: 1.65;
        }

        .divider-line {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-lime), var(--accent-cyan));
            border-radius: 4px;
            margin-bottom: 24px;
        }

        /* Game Cards */
        .game-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .game-card:hover {
            border-color: rgba(0, 240, 255, 0.6);
            box-shadow: var(--neon-glow-cyan);
            transform: translateY(-6px);
        }

        .game-card .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .game-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .game-card p {
            color: var(--text-silver);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.6;
        }

        .game-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
            background: rgba(204, 255, 0, 0.15);
            color: var(--accent-lime);
            border: 1px solid rgba(204, 255, 0, 0.3);
        }

        /* Feature List */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list .feature-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(204, 255, 0, 0.08) 100%);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .btn-cta-primary {
            display: inline-block;
            padding: 16px 36px;
            border-radius: 50px;
            background: var(--accent-lime);
            color: var(--primary-bg);
            font-weight: 800;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
            transition: var(--transition-base);
            box-shadow: var(--neon-glow-lime);
            border: none;
        }

        .btn-cta-primary:hover {
            background: #e0ff33;
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(204, 255, 0, 0.5);
            color: var(--primary-bg);
        }

        .btn-cta-secondary {
            display: inline-block;
            padding: 16px 32px;
            border-radius: 50px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 1rem;
            border: 1.5px solid rgba(0, 240, 255, 0.6);
            transition: var(--transition-base);
        }

        .btn-cta-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            color: #fff;
        }

        /* FAQ */
        .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 18px 24px;
            font-size: 0.95rem;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
            border-color: rgba(0, 240, 255, 0.4);
        }

        .accordion-button::after {
            filter: brightness(0) invert(1);
        }

        .accordion-body {
            color: var(--text-silver);
            font-size: 0.92rem;
            line-height: 1.65;
            padding: 18px 24px;
        }

        /* FAB */
        .fab-container {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
        }

        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            opacity: 0.7;
            transition: var(--transition-base);
            position: relative;
        }

        .fab-btn:hover {
            opacity: 1;
            transform: scale(1.15);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
            color: #fff;
        }

        .fab-btn:active {
            transform: scale(0.92);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #0F0C20;
            animation: fabPulse 1.8s ease-in-out infinite;
        }

        @keyframes fabPulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 8, 18, 0.95);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
            margin-top: 60px;
        }

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

        .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text-white);
        }

        .footer-brand p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-silver);
            font-size: 0.88rem;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-lime);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

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

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

        .footer-badge {
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-silver);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            
            .nav-menu {
                gap: 4px;
            }
            
            .nav-menu li a {
                padding: 8px 12px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-wrapper {
                flex-wrap: nowrap;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(15, 12, 32, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 10px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

            .nav-menu.show {
                display: flex;
            }

            .nav-menu li {
                width: 100%;
            }

            .nav-menu li a {
                display: block;
                width: 100%;
                text-align: left;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }

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

            .nav-auth {
                gap: 6px;
            }

            .btn-login, .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

            .hero-section {
                padding: 60px 0 80px;
            }

            .hero-stats {
                gap: 24px;
            }

            .section-block {
                padding: 60px 0;
            }

            .cta-section {
                padding: 36px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .fab-container {
                left: 12px;
                bottom: 80px;
            }

            .fab-btn {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }

            .navbar-logo {
                font-size: 0.95rem;
            }

            .logo-short {
                font-size: 0.65rem;
            }

            .btn-login, .btn-signup {
                padding: 7px 10px;
                font-size: 0.72rem;
            }

            .hero-title {
                font-size: 1.9rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-stat-value {
                font-size: 1.5rem;
            }

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