/* roulang page: index */
:root {
            --primary-bg: #0B3C25;
            --secondary-bg: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light-green: #C5E2D2;
            --danger-red: #D32F2F;
            --card-bg: rgba(255,255,255,0.08);
            --card-border: rgba(255,204,0,0.3);
            --shadow-glow: 0 0 20px rgba(255,204,0,0.2);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: color 0.2s;
        }
        a:hover {
            color: var(--accent-lime);
        }
        img {
            max-width: 100%;
            height: auto;
        }

        /* Navigation */
        .navbar-custom {
            background: rgba(6, 35, 21, 0.85);
            backdrop-filter: blur(15px);
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,204,0,0.2);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1050;
            transition: background 0.3s;
        }
        .navbar-custom.scrolled {
            background: rgba(6, 35, 21, 0.98);
        }
        .logo-text {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-text img {
            height: 40px;
            width: auto;
        }
        .nav-link-custom {
            color: var(--text-light-green) !important;
            font-weight: 500;
            margin: 0 6px;
            padding: 8px 16px !important;
            border-radius: 25px;
            transition: all 0.2s;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--accent-gold) !important;
            background: rgba(255,204,0,0.1);
        }
        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            border-radius: 30px;
            padding: 8px 20px;
            font-weight: 600;
            margin-right: 8px;
            transition: all 0.2s;
        }
        .btn-login-nav:hover {
            background: var(--accent-gold);
            color: #0B3C25;
        }
        .btn-signup-nav {
            background: var(--accent-gold);
            color: #0B3C25;
            border: none;
            border-radius: 30px;
            padding: 8px 22px;
            font-weight: 700;
            transition: all 0.2s;
        }
        .btn-signup-nav:hover {
            background: var(--accent-lime);
            color: #062315;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(50,205,50,0.4);
        }

        /* Hero Section with Video Background */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,60,37,0.85) 0%, rgba(6,35,21,0.92) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: left;
            padding: 40px 20px;
            max-width: 700px;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            margin-bottom: 20px;
        }
        .hero-content p {
            font-size: 1.2rem;
            color: var(--text-light-green);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .hero-buttons .btn {
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1.1rem;
            margin-right: 12px;
            margin-bottom: 12px;
            transition: all 0.3s;
        }
        .btn-primary-custom {
            background: var(--accent-gold);
            color: #0B3C25;
            border: 2px solid var(--accent-gold);
        }
        .btn-primary-custom:hover {
            background: var(--accent-lime);
            border-color: var(--accent-lime);
            color: #062315;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(50,205,50,0.5);
        }
        .btn-outline-custom {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-outline-custom:hover {
            background: var(--accent-gold);
            color: #0B3C25;
        }
        .play-btn-circle {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: var(--accent-gold);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #0B3C25;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 0 25px rgba(255,204,0,0.5);
            margin-top: 15px;
        }
        .play-btn-circle:hover {
            background: var(--accent-lime);
            transform: scale(1.1);
        }

        /* Section Styles */
        .section-container {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 15px;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light-green);
            margin-bottom: 40px;
        }

        /* Category Entry Cards */
        .category-card {
            background: var(--card-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--card-border);
            border-radius: var(--radius-lg);
            padding: 25px 20px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-glow);
            border-color: var(--accent-gold);
        }
        .category-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 15px;
        }
        .category-card h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--accent-gold);
        }

        /* Resource List / Game Cards */
        .game-card {
            background: rgba(6,35,21,0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,204,0,0.2);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
        }
        .game-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 25px rgba(255,204,0,0.2);
        }
        .game-card .card-img {
            height: 200px;
            object-fit: cover;
        }

        /* News List */
        .news-list-item {
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding: 16px 0;
            display: flex;
            justify-content: space-between;
            align-items: baseline;
        }
        .news-list-item a {
            font-weight: 600;
            color: var(--text-light-green);
            font-size: 1.1rem;
        }
        .news-list-item a:hover {
            color: var(--accent-gold);
        }
        .news-date {
            color: rgba(197,226,210,0.6);
            font-size: 0.9rem;
            white-space: nowrap;
            margin-left: 15px;
        }

        /* Download Guide CTA */
        .download-guide {
            background: linear-gradient(135deg, #062315 0%, #0B3C25 100%);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-lg);
        }

        /* FAQ */
        .accordion-button:not(.collapsed) {
            background-color: rgba(255,204,0,0.15);
            color: var(--accent-gold);
            box-shadow: none;
        }
        .accordion-button {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.1);
            color: var(--text-white);
            font-weight: 600;
        }
        .accordion-item {
            background: transparent;
            border: none;
            margin-bottom: 10px;
        }

        /* Footer */
        .footer-custom {
            background: #062315;
            border-top: 2px solid var(--accent-gold);
            padding: 50px 0 25px;
        }

        /* Floating Action Button */
        .fab-custom {
            position: fixed;
            left: 24px;
            bottom: 80px;
            z-index: 1050;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FFD700, #B8860B);
            border: 2px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255,215,0,0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #0B3C25;
            transition: all 0.3s;
            animation: float 3s infinite;
        }
        .fab-custom:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 25px rgba(255,215,0,0.7);
        }
        @keyframes float {
            0% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
            100% { transform: translateY(0); }
        }
        .notification-badge {
            position: absolute;
            top: 2px;
            right: 4px;
            width: 15px;
            height: 15px;
            background: var(--danger-red);
            border-radius: 50%;
            border: 2px solid white;
        }

        @media (max-width: 768px) {
            .hero-content h1 { font-size: 2.2rem; }
            .navbar-custom .btn-login-nav, .navbar-custom .btn-signup-nav { display: inline-block; }
        }

/* roulang page: article */
:root {
            --bg-primary: #1a1a1a;
            --bg-secondary: #121212;
            --bg-card: #1c1c1e;
            --accent-gold: #c5a059;
            --accent-amber: #ffbf00;
            --text-primary: #f5f5f7;
            --text-secondary: #d4ac0d;
            --text-muted: #a0a0a0;
            --border-subtle: rgba(197, 160, 89, 0.2);
            --border-active: rgba(197, 160, 89, 0.6);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 0 30px rgba(197, 160, 89, 0.15);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        ::selection {
            background: var(--accent-gold);
            color: var(--bg-secondary);
        }

        /* Navigation */
        .navbar-custom {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.8rem 0;
            transition: all 0.3s ease;
            z-index: 1050;
        }

        .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold) !important;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            text-decoration: none;
            transition: opacity 0.2s;
        }

        .logo-text:hover {
            opacity: 0.9;
            color: var(--accent-gold) !important;
        }

        .nav-link-custom {
            color: var(--text-muted) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.5rem 1.1rem !important;
            border-radius: var(--radius-sm);
            transition: all 0.25s;
            margin: 0 0.15rem;
            white-space: nowrap;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--accent-gold) !important;
            background: rgba(197, 160, 89, 0.08);
        }

        .btn-login-nav {
            border: 1.5px solid var(--border-active);
            color: var(--accent-gold);
            background: transparent;
            border-radius: 30px;
            padding: 0.5rem 1.6rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s;
        }

        .btn-login-nav:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-secondary);
            border: none;
            border-radius: 30px;
            padding: 0.5rem 1.8rem;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(197, 160, 89, 0.35);
            margin-left: 0.6rem;
        }

        .btn-signup-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(197, 160, 89, 0.5);
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            color: var(--bg-secondary);
        }

        /* Article Container */
        .article-wrapper {
            padding-top: 7rem;
            padding-bottom: 4rem;
            min-height: 70vh;
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber), var(--accent-gold));
        }

        .article-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 1.2rem;
            letter-spacing: -0.5px;
        }

        .article-meta {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-subtle);
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            align-items: center;
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .meta-category {
            background: rgba(197, 160, 89, 0.12);
            color: var(--accent-gold);
            padding: 0.25rem 0.9rem;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
        }

        .article-content {
            color: #d5d8dc;
            font-size: 1.05rem;
            line-height: 1.75;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 1.5rem;
            margin-bottom: 0.6rem;
        }

        .article-content p {
            margin-bottom: 1rem;
        }

        .article-content ul, .article-content ol {
            margin-bottom: 1.2rem;
            padding-left: 1.8rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content strong {
            color: var(--accent-amber);
        }

        .article-content a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-gold);
        }

        .article-not-found {
            text-align: center;
            padding: 5rem 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
        }

        .article-not-found i {
            font-size: 4rem;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
            opacity: 0.6;
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--text-primary);
            margin-bottom: 0.8rem;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 2rem;
        }

        .btn-back-home {
            background: var(--accent-gold);
            color: var(--bg-secondary);
            border: none;
            border-radius: 30px;
            padding: 0.75rem 2.2rem;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.3s;
            display: inline-block;
            text-decoration: none;
        }

        .btn-back-home:hover {
            background: var(--accent-amber);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.4);
            color: var(--bg-secondary);
        }

        /* Floating Action Button - Classic Royal Style */
        .fab-float {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #2a2a2a, #0f0f0f);
            border: 2.5px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.3);
            transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-float:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 8px 30px rgba(197, 160, 89, 0.55);
        }

        .fab-float:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-float i {
            font-size: 1.6rem;
            color: var(--accent-gold);
            transition: transform 0.4s;
        }

        .fab-float:hover i {
            transform: rotate(360deg);
        }

        .fab-badge {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            background: #d32f2f;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: pulseBadge 1.6s infinite;
        }

        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        @keyframes pulseBadge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* Footer */
        .footer-custom {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 2.5rem 1.5rem;
            margin-top: 3rem;
        }

        .footer-custom h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 0.6rem;
        }

        .footer-custom .small {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 0.3rem;
        }

        .text-accent { color: var(--accent-gold) !important; }
        .text-light-green { color: #c5e2d2 !important; }

        /* Responsive */
        @media (max-width: 992px) {
            .article-card {
                padding: 2rem 1.5rem;
            }
            .article-wrapper {
                padding-top: 6rem;
            }
            .navbar-custom .d-flex {
                flex-direction: column;
                gap: 0.5rem;
                margin-top: 0.8rem;
            }
            .btn-signup-nav {
                margin-left: 0;
            }
        }

        @media (max-width: 768px) {
            .article-title {
                font-size: 1.5rem;
            }
            .article-content {
                font-size: 0.95rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
            .fab-float {
                left: 1rem;
                bottom: 5rem;
                width: 48px;
                height: 48px;
            }
            .fab-float i {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .article-card {
                padding: 1.5rem 1rem;
                border-radius: var(--radius-md);
            }
            .article-wrapper {
                padding-top: 5.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.5);
            --border-radius-sm: 10px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --transition-base: all 0.3s ease;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Shared Nav (from shared_blocks) */
        .navbar-custom {
            background: linear-gradient(180deg, #0A2E1C 0%, #0A2E1C 100%);
            border-bottom: 1px solid var(--border-gold);
            padding: 12px 0;
            z-index: 1030;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-gold) !important;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .logo-text img {
            height: 45px;
            width: 45px;
            object-fit: cover;
            border-radius: 50%;
            border: 2px solid var(--accent-gold);
        }

        .nav-link-custom {
            color: var(--text-mint) !important;
            font-weight: 600;
            font-size: 1rem;
            margin: 0 8px;
            padding: 8px 14px !important;
            border-radius: 6px;
            transition: var(--transition-base);
        }

        .nav-link-custom.active,
        .nav-link-custom:hover {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-login-nav {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 6px;
            margin-right: 10px;
            transition: var(--transition-base);
        }

        .btn-login-nav:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, #FFD700, #FFA000);
            border: none;
            color: #0A2E1C;
            font-weight: 700;
            padding: 8px 22px;
            border-radius: 6px;
            transition: var(--transition-base);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
        }

        .btn-signup-nav:hover {
            background: linear-gradient(135deg, #FFC107, #FF8F00);
            color: #0A2E1C;
            transform: translateY(-1px);
        }

        /* Hero / Banner */
        .hero-banner {
            background: linear-gradient(rgba(10, 46, 28, 0.75), rgba(18, 62, 37, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 100px 0 80px;
            border-bottom: 2px solid var(--accent-gold);
            text-align: left;
        }

        .hero-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .hero-banner .lead {
            font-size: 1.2rem;
            color: var(--text-mint);
            max-width: 700px;
            margin-bottom: 24px;
        }

        .btn-hero-cta {
            background: var(--accent-red);
            border: none;
            color: white;
            font-weight: 700;
            font-size: 1.15rem;
            padding: 14px 36px;
            border-radius: 50px;
            box-shadow: 0 6px 18px rgba(211, 47, 47, 0.5);
            transition: var(--transition-base);
            display: inline-block;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-hero-cta:hover {
            background: #B71C1C;
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(211, 47, 47, 0.7);
            color: white;
        }

        /* Section styling */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--accent-red);
            margin-top: 6px;
            border-radius: 2px;
        }

        .promo-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--border-radius-md);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .promo-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.6), 0 0 15px rgba(255, 215, 0, 0.35);
            border-color: var(--accent-gold);
        }

        .promo-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 2px solid var(--accent-gold);
        }

        .promo-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .promo-body h5 {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
            font-size: 1.25rem;
        }

        .promo-body p {
            color: var(--text-mint);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .badge-hot {
            background: var(--accent-red);
            color: white;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .badge-gold {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
        }

        .btn-outline-gold {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 50px;
            transition: var(--transition-base);
        }

        .btn-outline-gold:hover {
            background: var(--accent-gold);
            color: #0A2E1C;
        }

        .list-benefit {
            list-style: none;
            padding: 0;
        }

        .list-benefit li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            color: var(--text-mint);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .list-benefit li i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }

        /* FAQ */
        .faq-item {
            background: var(--secondary-bg);
            border: 1px solid var(--border-gold);
            border-radius: var(--border-radius-sm);
            margin-bottom: 16px;
            padding: 20px;
            transition: var(--transition-base);
        }

        .faq-item h5 {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .faq-item p {
            color: var(--text-mint);
            margin-top: 8px;
        }

        /* CTA Bottom */
        .cta-strip {
            background: linear-gradient(135deg, #0A2E1C, #123E25);
            border-top: 2px solid var(--accent-gold);
            border-bottom: 2px solid var(--accent-gold);
            padding: 50px 0;
        }

        /* Footer */
        .footer-custom {
            background: #071F14;
            padding: 40px 0;
            border-top: 1px solid var(--border-gold);
        }

        .text-accent {
            color: var(--accent-gold) !important;
        }

        .text-light-green {
            color: var(--text-mint) !important;
        }

        /* Sticky bottom bar */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(10, 46, 28, 0.97);
            backdrop-filter: blur(10px);
            border-top: 2px solid var(--accent-gold);
            padding: 12px 0;
            z-index: 1025;
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .btn-sticky {
            background: var(--accent-red);
            color: white;
            font-weight: 700;
            padding: 10px 28px;
            border-radius: 50px;
            border: none;
            transition: var(--transition-base);
            font-size: 1rem;
        }

        .btn-sticky:hover {
            background: #B71C1C;
            color: white;
        }

        .btn-sticky-outline {
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            background: transparent;
            font-weight: 700;
            padding: 10px 28px;
            border-radius: 50px;
            transition: var(--transition-base);
        }

        .btn-sticky-outline:hover {
            background: var(--accent-gold);
            color: #0A2E1C;
        }

        /* FAB (Royal Chip Style) */
        .fab-royal {
            position: fixed;
            left: 24px;
            bottom: 100px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #0A2E1C, #071F14);
            border: 3px solid var(--accent-gold);
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.6rem;
            animation: floatFab 3s ease-in-out infinite;
            transition: var(--transition-base);
            opacity: 0.8;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.55);
        }

        @keyframes floatFab {
            0% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
            100% { transform: translateY(0); }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-banner h1 {
                font-size: 2.2rem;
            }
            .navbar-nav {
                margin-top: 12px;
            }
            .btn-login-nav, .btn-signup-nav {
                margin: 4px 0;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .hero-banner {
                padding: 70px 0 50px;
                text-align: center;
            }
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .sticky-bottom-bar {
                flex-wrap: wrap;
                gap: 10px;
                padding: 10px;
            }
        }

/* roulang page: category2 */
/* ==================== DESIGN SYSTEM ==================== */
        :root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-glow: rgba(0, 240, 255, 0.3);
            --card-bg: rgba(15, 12, 32, 0.8);
            --card-hover-bg: rgba(15, 12, 32, 0.95);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 12px rgba(204, 255, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }

        /* ==================== NAVIGATION ==================== */
        .navbar-custom {
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glow);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--accent-cyan) !important;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-smooth);
        }

        .logo-text:hover {
            color: var(--accent-lime) !important;
            text-shadow: 0 0 10px var(--accent-lime);
        }

        .nav-link-custom {
            color: var(--text-silver) !important;
            font-weight: 500;
            padding: 8px 20px !important;
            margin: 0 4px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-smooth);
            position: relative;
            font-size: 0.95rem;
        }

        .nav-link-custom:hover,
        .nav-link-custom.active {
            color: var(--accent-cyan) !important;
            background: rgba(0, 240, 255, 0.1);
            text-shadow: 0 0 8px var(--accent-cyan);
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
            border-radius: 3px;
        }

        .btn-login-nav {
            background: transparent;
            color: var(--accent-cyan);
            border: 2px solid var(--accent-cyan);
            padding: 8px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all var(--transition-smooth);
            margin-right: 8px;
        }

        .btn-login-nav:hover {
            background: rgba(0, 240, 255, 0.15);
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }

        .btn-signup-nav {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            border: none;
            padding: 8px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
        }

        .btn-signup-nav:hover {
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.7);
            transform: translateY(-2px);
            color: var(--primary-bg);
        }

        .navbar-toggler {
            border: 1px solid var(--accent-cyan) !important;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 10px var(--accent-cyan) !important;
        }

        /* ==================== HERO ==================== */
        .hero-category {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 80px 0 60px;
            text-align: center;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.7) 0%, rgba(11, 26, 48, 0.95) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-category h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-cyan);
            text-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero-category .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-silver);
            max-width: 700px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .countdown-timer {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 32px 0;
        }

        .countdown-box {
            background: rgba(0, 240, 255, 0.1);
            border: 2px solid var(--accent-cyan);
            border-radius: var(--radius-md);
            padding: 20px 28px;
            text-align: center;
            min-width: 90px;
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.3);
        }

        .countdown-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--accent-lime);
            line-height: 1;
            text-shadow: 0 0 15px var(--accent-lime);
        }

        .countdown-label {
            font-size: 0.85rem;
            color: var(--text-silver);
            margin-top: 8px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .btn-subscribe-hero {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--primary-bg);
            border: none;
            padding: 14px 40px;
            border-radius: var(--radius-lg);
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 6px 30px rgba(204, 255, 0, 0.4);
            transition: all var(--transition-smooth);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .btn-subscribe-hero:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 40px rgba(204, 255, 0, 0.7);
        }

        /* ==================== MAIN CONTENT ==================== */
        .section-container {
            padding: 80px 0;
            position: relative;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            text-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
        }

        .section-subtitle {
            color: var(--text-silver);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 40px;
        }

        /* Event Cards */
        .event-card {
            background: var(--card-bg);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            position: relative;
        }

        .event-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-6px);
            background: var(--card-hover-bg);
        }

        .event-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 2px solid var(--border-glow);
        }

        .event-card-body {
            padding: 24px;
        }

        .event-badge {
            background: linear-gradient(135deg, #FF007F, var(--accent-cyan));
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .event-badge.hot {
            background: linear-gradient(135deg, #FF4500, #FF007F);
        }

        .event-card-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }

        .event-card-text {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .event-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            color: var(--accent-lime);
            font-size: 0.85rem;
        }

        /* Process Steps */
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: all var(--transition-smooth);
        }

        .step-item:last-child {
            border-bottom: none;
        }

        .step-number {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-lime));
            color: var(--primary-bg);
            font-weight: 900;
            font-size: 1.5rem;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            flex-shrink: 0;
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.5);
        }

        .step-content h3 {
            color: var(--text-white);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .step-content p {
            color: var(--text-silver);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.6;
        }

        /* Benefit Cards */
        .benefit-card {
            background: rgba(0, 240, 255, 0.05);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            height: 100%;
        }

        .benefit-card:hover {
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
        }

        .benefit-icon {
            font-size: 2.8rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            text-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
        }

        .benefit-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .benefit-text {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .accordion-custom .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border-glow);
            margin-bottom: 12px;
            border-radius: var(--radius-md) !important;
            overflow: hidden;
        }

        .accordion-custom .accordion-header {
            background: transparent;
        }

        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 24px;
            box-shadow: none;
            transition: all var(--transition-smooth);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-cyan);
            box-shadow: none;
        }

        .accordion-custom .accordion-button::after {
            filter: brightness(0) invert(1);
        }

        .accordion-custom .accordion-body {
            color: var(--text-silver);
            padding: 20px 24px;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* CTA Bottom */
        .cta-bottom {
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            padding: 80px 0;
            position: relative;
            text-align: center;
        }

        .cta-bottom::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(15, 12, 32, 0.9) 0%, rgba(11, 26, 48, 0.95) 100%);
        }

        .cta-bottom-content {
            position: relative;
            z-index: 2;
        }

        .cta-bottom h2 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-lime);
            text-shadow: 0 0 25px rgba(204, 255, 0, 0.5);
            margin-bottom: 16px;
        }

        .cta-bottom p {
            color: var(--text-silver);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--primary-bg);
            border: none;
            padding: 16px 48px;
            border-radius: var(--radius-lg);
            font-size: 1.2rem;
            font-weight: 800;
            box-shadow: 0 8px 30px rgba(204, 255, 0, 0.5);
            transition: all var(--transition-smooth);
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(204, 255, 0, 0.8);
        }

        /* Footer */
        .footer-custom {
            background: rgba(15, 12, 32, 0.98);
            border-top: 2px solid var(--border-glow);
            padding: 40px 0;
            backdrop-filter: blur(10px);
        }

        .text-accent {
            color: var(--accent-cyan);
            font-weight: 700;
        }

        .text-light-green {
            color: var(--accent-lime);
            opacity: 0.8;
        }

        /* FAB */
        .fab-custom {
            position: fixed;
            left: 24px;
            bottom: 100px;
            z-index: 1060;
            width: 56px;
            height: 56px;
            background: rgba(15, 12, 32, 0.7);
            backdrop-filter: blur(15px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan)) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: floatFAB 3s ease-in-out infinite;
        }

        .fab-custom:hover {
            opacity: 1;
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.8);
            transform: scale(1.15);
            border-color: var(--accent-cyan);
        }

        @keyframes floatFAB {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            animation: blink 1.5s ease-in-out infinite;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1024px) {
            .hero-category h1 {
                font-size: 2.4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .countdown-box {
                min-width: 70px;
                padding: 16px 20px;
            }
            .countdown-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .hero-category {
                padding: 60px 0 40px;
            }
            .hero-category h1 {
                font-size: 1.9rem;
            }
            .countdown-timer {
                gap: 12px;
                flex-wrap: wrap;
            }
            .countdown-box {
                min-width: 65px;
                padding: 14px 16px;
            }
            .countdown-number {
                font-size: 1.6rem;
            }
            .section-container {
                padding: 50px 0;
            }
            .event-card-img {
                height: 160px;
            }
            .cta-bottom h2 {
                font-size: 1.9rem;
            }
            .btn-cta {
                padding: 14px 36px;
                font-size: 1rem;
            }
            .fab-custom {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 16px;
                bottom: 80px;
            }
            .navbar-custom .d-flex {
                flex-direction: column;
                gap: 8px;
                margin-top: 12px;
            }
            .btn-login-nav, .btn-signup-nav {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .countdown-number {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .event-card-body {
                padding: 16px;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
        }
