/* roulang page: index */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-tertiary: #131A2A;
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-warm: #FFD700;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-color: rgba(0, 240, 255, 0.2);
            --border-radius-sm: 8px;
            --border-radius-md: 16px;
            --border-radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
            --font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--accent-primary);
        }

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 12px 0;
            transition: all 0.3s ease;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.02em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 380px;
        }
        .navbar-brand:hover {
            color: var(--accent-secondary);
        }
        .navbar-brand .brand-icon {
            color: var(--accent-secondary);
            font-size: 1.5rem;
            flex-shrink: 0;
        }

        .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: 6px;
            transition: all 0.3s ease;
            margin: 0 2px;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--accent-secondary) !important;
            background: rgba(0, 240, 255, 0.05);
        }
        .nav-link.active {
            color: var(--accent-secondary) !important;
            background: rgba(0, 240, 255, 0.1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-login {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 8px 16px;
            border-radius: 6px;
            transition: all 0.3s ease;
            background: transparent;
            border: none;
            white-space: nowrap;
        }
        .btn-login:hover {
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.05);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--bg-primary) !important;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: 6px;
            border: none;
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 30px rgba(0, 240, 255, 0.5);
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            color: var(--text-primary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            border-color: var(--accent-secondary);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2300F0FF' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 82, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-color);
            color: var(--accent-secondary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
        }
        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 24px;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 50%, #00F0FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-description {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--bg-primary) !important;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 8px;
            border: none;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-glow);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 40px rgba(0, 240, 255, 0.5);
        }
        .btn-secondary-custom {
            background: transparent;
            color: var(--text-primary) !important;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-secondary-custom:hover {
            border-color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.05);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-secondary);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-panel {
            background: rgba(13, 17, 30, 0.8);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 32px;
            backdrop-filter: blur(20px);
            box-shadow: var(--shadow-md);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hero-panel-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--accent-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .hero-rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .hero-rank-item:last-child {
            border-bottom: none;
        }
        .hero-rank-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--accent-secondary);
            flex-shrink: 0;
        }
        .hero-rank-info {
            flex: 1;
            min-width: 0;
        }
        .hero-rank-name {
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hero-rank-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .hero-rank-score {
            font-weight: 700;
            color: var(--accent-warm);
            font-size: 0.9rem;
            white-space: nowrap;
        }

        /* Section Common */
        .section-block {
            padding: 70px 0;
            position: relative;
        }
        .section-block-alt {
            background: var(--bg-secondary);
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-secondary);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .section-description {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 700px;
        }

        /* Promo Ladder */
        .promo-ladder {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .promo-step {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 24px 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .promo-step:hover {
            border-color: var(--accent-secondary);
            box-shadow: var(--shadow-glow);
            transform: translateX(8px);
        }
        .promo-step-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-secondary);
            flex-shrink: 0;
        }
        .promo-step-content {
            flex: 1;
        }
        .promo-step-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .promo-step-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .promo-step-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-warm);
            white-space: nowrap;
        }

        /* Comparison Table */
        .comparison-wrapper {
            overflow-x: auto;
            border-radius: var(--border-radius-md);
            border: 1px solid var(--border-color);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.95rem;
        }
        .comparison-table th {
            background: var(--bg-tertiary);
            font-weight: 700;
            color: var(--accent-secondary);
            white-space: nowrap;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table td:first-child {
            font-weight: 600;
            white-space: nowrap;
        }
        .comparison-check {
            color: #32CD32;
            font-size: 1.1rem;
        }
        .comparison-x {
            color: #FF4500;
            font-size: 1.1rem;
        }

        /* Guarantee Bar */
        .guarantee-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 40px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        .guarantee-item:hover {
            border-color: var(--accent-secondary);
            box-shadow: var(--shadow-glow);
        }
        .guarantee-item i {
            color: var(--accent-secondary);
            font-size: 1.1rem;
        }

        /* News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }
        .news-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all 0.3s ease;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-item-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(0, 240, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-secondary);
            flex-shrink: 0;
        }
        .news-item-content {
            flex: 1;
            min-width: 0;
        }
        .news-item-title {
            font-weight: 600;
            font-size: 0.95rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
        }
        .news-item-title a {
            color: var(--text-primary);
        }
        .news-item-title a:hover {
            color: var(--accent-secondary);
        }
        .news-item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
        }
        .news-sidebar {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 28px;
        }
        .news-sidebar-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 16px;
            color: var(--accent-secondary);
        }
        .news-sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-sidebar-item {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
        }
        .news-sidebar-item:last-child {
            border-bottom: none;
        }
        .news-sidebar-item a {
            color: var(--text-secondary);
        }
        .news-sidebar-item a:hover {
            color: var(--accent-secondary);
        }

        /* Limited Entry */
        .limited-entry {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.1));
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }
        .limited-entry::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }
        .limited-entry-title {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .limited-entry-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            margin-bottom: 24px;
        }
        .limited-entry .btn {
            position: relative;
            z-index: 2;
        }

        /* FAQ */
        .accordion-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 24px;
        }
        .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.05);
            color: var(--accent-secondary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent-secondary);
        }
        .accordion-button::after {
            filter: invert(70%) sepia(80%) saturate(500%) hue-rotate(150deg);
        }
        .accordion-body {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 0 24px 20px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
        }
        .footer-brand {
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-links-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        .footer-links a:hover {
            color: var(--accent-secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .footer-badge {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 6px 14px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-badge i {
            color: var(--accent-secondary);
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(13, 17, 30, 0.7), rgba(13, 17, 30, 0.7)), linear-gradient(135deg, #00F0FF, #0052FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-secondary);
            font-size: 1.3rem;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transition: all 0.3s ease;
            opacity: 0.6;
            cursor: pointer;
            animation: fabBreath 3s ease-in-out infinite;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.7);
        }
        @keyframes fabBreath {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .navbar-brand {
                max-width: 260px;
                font-size: 1rem;
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0 40px;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-description {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-block {
                padding: 50px 0;
            }
            .promo-step {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                padding: 20px;
            }
            .promo-step-value {
                font-size: 1.2rem;
            }
            .limited-entry {
                padding: 28px;
            }
            .limited-entry-title {
                font-size: 1.4rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat-value {
                font-size: 1.5rem;
            }
            .nav-actions {
                gap: 6px;
            }
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .btn-login {
                padding: 8px 12px;
                font-size: 0.85rem;
            }
            .fab-support {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary-custom,
            .btn-secondary-custom {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-value {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .guarantee-item {
                width: 100%;
                justify-content: center;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .navbar-brand {
                max-width: 200px;
                font-size: 0.85rem;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #0B0B0B;
            --secondary-bg: #161616;
            --card-bg: #1E1E1E;
            --accent-primary: #FF4500;
            --accent-secondary: #FFD700;
            --accent-gradient: linear-gradient(135deg, #FF4500 0%, #FF0000 100%);
            --text-primary: #FFFFFF;
            --text-secondary: #CCCCCC;
            --text-muted: #8A8A8A;
            --border-color: #2A2A2A;
            --border-glow: rgba(255, 69, 0, 0.3);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 20px rgba(255, 69, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --font-main: 'Segoe UI', 'Inter', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --spacing-section: 70px;
        }

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

        body {
            font-family: var(--font-main);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(11, 11, 11, 0.95);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary) !important;
            letter-spacing: -0.5px;
        }

        .brand-icon {
            color: var(--accent-secondary);
            font-size: 1.6rem;
            filter: drop-shadow(0 0 6px rgba(255, 215, 0, 0.5));
        }

        .navbar-dark .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }

        .navbar-dark .navbar-nav .nav-link:hover,
        .navbar-dark .navbar-nav .nav-link:focus {
            color: var(--text-primary);
            background: rgba(255, 69, 0, 0.1);
        }

        .navbar-dark .navbar-nav .nav-link.active {
            color: var(--accent-secondary);
            font-weight: 600;
        }

        .navbar-dark .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent-gradient);
            border-radius: 2px;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-login:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            background: rgba(255, 215, 0, 0.05);
        }

        .btn-signup {
            background: var(--accent-gradient);
            border: none;
            color: #FFFFFF;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(255, 69, 0, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 69, 0, 0.6);
            color: #FFFFFF;
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.3);
            outline: none;
        }

        /* Article Hero */
        .article-hero {
            background: var(--secondary-bg);
            border-bottom: 1px solid var(--border-color);
            padding: 40px 0 32px;
            position: relative;
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--accent-gradient);
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .article-breadcrumb a {
            color: var(--text-secondary);
        }

        .article-breadcrumb a:hover {
            color: var(--accent-secondary);
        }

        .article-breadcrumb .separator {
            color: var(--accent-primary);
        }

        .article-category-badge {
            display: inline-block;
            background: rgba(255, 69, 0, 0.15);
            color: var(--accent-primary);
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 69, 0, 0.3);
            letter-spacing: 0.3px;
        }

        .article-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }

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

        .article-meta i {
            color: var(--accent-secondary);
            font-size: 0.85rem;
        }

        /* Article Body */
        .article-body-wrapper {
            padding: var(--spacing-section) 0;
            background: var(--primary-bg);
        }

        .article-content {
            max-width: 820px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        .article-content h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 36px 0 16px;
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 28px 0 12px;
        }

        .article-content p {
            margin-bottom: 16px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 20px;
            padding-left: 20px;
        }

        .article-content li {
            margin-bottom: 10px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent-primary);
            background: rgba(255, 69, 0, 0.08);
            padding: 20px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--text-primary);
            font-size: 1.1rem;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .article-content a {
            color: var(--accent-secondary);
            font-weight: 600;
            border-bottom: 1px solid transparent;
            transition: var(--transition);
        }

        .article-content a:hover {
            color: var(--accent-primary);
            border-bottom-color: var(--accent-primary);
        }

        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-primary);
            margin-bottom: 20px;
        }

        .article-not-found h2 {
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

        .btn-back-home {
            background: var(--accent-gradient);
            color: #FFFFFF;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            border: none;
            transition: var(--transition);
            display: inline-block;
            box-shadow: 0 4px 12px rgba(255, 69, 0, 0.4);
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 69, 0, 0.6);
            color: #FFFFFF;
        }

        /* Article Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-widget {
            background: var(--secondary-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-widget-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-widget-title i {
            color: var(--accent-secondary);
        }

        .sidebar-game-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .sidebar-game-item:hover {
            padding-left: 6px;
        }

        .sidebar-game-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(255, 69, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .sidebar-game-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-game-name {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.9rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sidebar-game-rating {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .sidebar-game-rating i {
            color: var(--accent-secondary);
            font-size: 0.7rem;
        }

        .sidebar-cta {
            background: var(--accent-gradient);
            color: #FFFFFF;
            padding: 12px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            text-align: center;
            display: block;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(255, 69, 0, 0.4);
        }

        .sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 69, 0, 0.6);
            color: #FFFFFF;
        }

        /* CTA Section */
        .article-cta {
            background: var(--secondary-bg);
            padding: 50px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .article-cta-content {
            text-align: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .article-cta-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .article-cta-content p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }

        .article-cta-btn {
            background: var(--accent-gradient);
            color: #FFFFFF;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(255, 69, 0, 0.5);
            display: inline-block;
        }

        .article-cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(255, 69, 0, 0.7);
            color: #FFFFFF;
        }

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

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-links-title {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            font-size: 1rem;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-secondary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            margin-top: 40px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-badge {
            color: var(--text-muted);
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-badge i {
            color: var(--accent-secondary);
        }

        /* Floating Action Button */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(11, 11, 11, 0.85);
            border: 2px solid var(--accent-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-secondary);
            font-size: 1.3rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            text-decoration: none;
        }

        .fab-support:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(255, 215, 0, 0.6);
            color: var(--accent-secondary);
        }

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

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.3);
                opacity: 0.7;
            }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-collapse {
                background: var(--secondary-bg);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                border: 1px solid var(--border-color);
            }

            .nav-actions {
                margin-top: 12px;
                flex-direction: column;
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                width: 100%;
                text-align: center;
            }

            .article-hero h1 {
                font-size: 1.8rem;
            }

            .article-sidebar {
                position: static;
                margin-top: 40px;
            }

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

        @media (max-width: 768px) {
            :root {
                --spacing-section: 50px;
            }

            .article-hero {
                padding: 28px 0 24px;
            }

            .article-hero h1 {
                font-size: 1.5rem;
            }

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

            .article-content h2 {
                font-size: 1.4rem;
            }

            .article-content h3 {
                font-size: 1.15rem;
            }

            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }

            .article-cta {
                padding: 36px 0;
            }

            .article-cta-content h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand {
                font-size: 1.1rem;
            }

            .brand-icon {
                font-size: 1.3rem;
            }

            .article-hero h1 {
                font-size: 1.3rem;
            }

            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .article-cta-btn {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
            }

            .fab-support {
                width: 48px;
                height: 48px;
                left: 16px;
                bottom: 80px;
                font-size: 1.1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --surface: #151228;
            --surface-hover: #1D1838;
            --accent-primary: #CCFF00;
            --accent-secondary: #00F0FF;
            --accent-hot: #FF007F;
            --text-primary: #FFFFFF;
            --text-secondary: #A6ACAF;
            --text-muted: #6B7280;
            --border-color: rgba(204, 255, 0, 0.15);
            --border-neon: rgba(0, 240, 255, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);
            --font-main: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-main);
            background: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            color: var(--accent-secondary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

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

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            background: rgba(15, 12, 32, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(204, 255, 0, 0.15);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.3px;
        }

        .brand-icon {
            color: var(--accent-secondary);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.6));
        }

        .navbar-brand span {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 16px;
            border-radius: 20px;
            transition: all 0.3s ease;
            margin: 0 4px;
        }

        .navbar-nav .nav-link:hover {
            color: var(--accent-primary);
            background: rgba(204, 255, 0, 0.08);
        }

        .navbar-nav .nav-link.active {
            color: var(--accent-primary);
            background: rgba(204, 255, 0, 0.12);
            font-weight: 700;
        }

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

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .btn-login:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--primary-bg);
            border: none;
            padding: 8px 24px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(204, 255, 0, 0.4);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 8px 10px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .hero-section {
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(204, 255, 0, 0.1);
            border: 1px solid rgba(204, 255, 0, 0.3);
            color: var(--accent-primary);
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            text-transform: uppercase;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .btn-primary-cta {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--primary-bg);
            border: none;
            padding: 14px 36px;
            border-radius: 32px;
            font-weight: 800;
            font-size: 1.05rem;
            transition: all 0.3s ease;
            cursor: pointer;
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(204, 255, 0, 0.45);
            color: var(--primary-bg);
        }

        .btn-outline-neon {
            background: transparent;
            color: var(--accent-secondary);
            border: 2px solid var(--accent-secondary);
            padding: 12px 28px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-neon:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: var(--shadow-neon);
            color: var(--accent-secondary);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            border: 2px solid rgba(0, 240, 255, 0.3);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 240, 255, 0.15);
            transition: all 0.5s ease;
        }

        .hero-visual img:hover {
            border-color: rgba(204, 255, 0, 0.5);
            box-shadow: 0 25px 70px rgba(0, 0, 0, 0.6), 0 0 40px rgba(204, 255, 0, 0.2);
        }

        .stats-strip {
            background: var(--surface);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding: 30px 0;
        }

        .stat-item {
            text-align: center;
            padding: 10px;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            display: block;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        .section-padding {
            padding: 70px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
            margin-bottom: 40px;
        }

        .game-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.4s ease;
            height: 100%;
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-8px);
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 240, 255, 0.2);
        }

        .game-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

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

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

        .game-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent-hot);
            color: white;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            z-index: 2;
        }

        .game-card-body {
            padding: 18px 20px 22px;
        }

        .game-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .game-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .game-card-meta {
            display: flex;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .game-card-meta i {
            color: var(--accent-secondary);
            margin-right: 4px;
        }

        .feature-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            border-radius: var(--radius-md);
            background: var(--surface);
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            height: 100%;
            margin-bottom: 20px;
        }

        .feature-item:hover {
            border-color: rgba(204, 255, 0, 0.4);
            background: var(--surface-hover);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .feature-icon i {
            font-size: 1.3rem;
            color: var(--accent-secondary);
        }

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

        .feature-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .process-step {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            position: relative;
        }

        .process-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--primary-bg);
            font-weight: 900;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
        }

        .process-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .process-content p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
        }

        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            color: var(--text-primary);
            font-size: 1rem;
            transition: all 0.3s ease;
            user-select: none;
        }

        .faq-question i {
            color: var(--accent-secondary);
            transition: transform 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--surface) 0%, var(--secondary-bg) 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            border: 1px solid rgba(204, 255, 0, 0.2);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(204, 255, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }

        .cta-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
            z-index: 2;
        }

        .site-footer {
            background: var(--primary-bg);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 30px;
            margin-top: 70px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 340px;
        }

        .footer-links-title {
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            font-size: 1rem;
        }

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

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

        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--accent-secondary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            margin-top: 36px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

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

        .footer-badge {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--accent-secondary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .fab-float {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.4s ease;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            animation: fabPulse 3s infinite;
        }

        .fab-float::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            z-index: -1;
            opacity: 0.8;
        }

        .fab-float i {
            font-size: 1.5rem;
            color: var(--accent-secondary);
            transition: all 0.4s ease;
        }

        .fab-float:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
        }

        .fab-float:hover i {
            color: var(--accent-primary);
            animation: iconSpin 0.6s ease;
        }

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

        @keyframes fabPulse {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

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

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 50px 0 40px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .cta-section {
                padding: 35px 20px;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab-float {
                left: 10px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }
            .fab-float i {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .btn-primary-cta {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 45px 0;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-primary: #CCFF00;
            --accent-secondary: #00F0FF;
            --text-white: #FFFFFF;
            --text-muted: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.3);
            --card-bg: rgba(15, 12, 32, 0.85);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 28px;
            --shadow-neon: 0 0 20px rgba(0, 240, 255, 0.25);
            --shadow-lift: 0 15px 35px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            background-image: radial-gradient(circle at 20% 20%, rgba(204, 255, 0, 0.03) 0%, transparent 50%),
                              radial-gradient(circle at 80% 80%, rgba(0, 240, 255, 0.04) 0%, transparent 50%);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button, .btn {
            font-family: inherit;
            cursor: pointer;
            transition: var(--transition);
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Header / Navigation */
        .site-header {
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            padding: 14px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .navbar-brand {
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-icon {
            color: var(--accent-secondary);
            font-size: 1.7rem;
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.6));
        }

        .navbar-brand span {
            background: linear-gradient(135deg, #FFFFFF 30%, #CCFF00 70%, #00F0FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-size: 1.3rem;
        }

        .navbar {
            background: transparent;
        }

        .navbar-nav {
            gap: 8px;
        }

        .navbar-nav .nav-link {
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 16px !important;
            border-radius: 50px;
            letter-spacing: 0.2px;
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.08);
        }

        .navbar-nav .nav-link.active {
            color: var(--accent-primary);
            background: rgba(204, 255, 0, 0.1);
            font-weight: 700;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--text-white);
            padding: 9px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-secondary);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            background: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            border: none;
            color: #0F0C20;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 20px rgba(204, 255, 0, 0.3);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.4);
            color: #0F0C20;
        }

        .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.3);
            padding: 8px 12px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.3);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 240, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero Flash Sale */
        .hero-sale {
            padding: 80px 0 70px;
            position: relative;
            overflow: hidden;
            background: radial-gradient(ellipse at 70% 30%, rgba(0, 240, 255, 0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 30% 70%, rgba(204, 255, 0, 0.05) 0%, transparent 55%);
        }

        .hero-sale::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

        .hero-sale > .container {
            position: relative;
            z-index: 1;
        }

        .flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.2), rgba(255, 0, 127, 0.05));
            border: 1px solid rgba(255, 0, 127, 0.4);
            color: #FF79C6;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 20px;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 0 15px rgba(255, 0, 127, 0.3); }
            50% { box-shadow: 0 0 30px rgba(255, 0, 127, 0.6); }
        }

        .hero-sale h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #FFFFFF 30%, #CCFF00 60%, #00F0FF 90%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-sale .lead {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .countdown-wrapper {
            display: flex;
            gap: 12px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .countdown-item {
            background: rgba(15, 12, 32, 0.9);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-sm);
            padding: 12px 20px;
            text-align: center;
            min-width: 80px;
        }

        .countdown-item .number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-primary);
            display: block;
            line-height: 1;
        }

        .countdown-item .label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 4px;
        }

        .hero-product-card {
            background: var(--card-bg);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lift);
            position: relative;
            transition: var(--transition);
        }

        .hero-product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 240, 255, 0.2);
            border-color: rgba(204, 255, 0, 0.5);
        }

        .hero-product-card img {
            width: 100%;
            height: 240px;
            object-fit: cover;
            border-bottom: 2px solid rgba(0, 240, 255, 0.2);
        }

        .hero-product-body {
            padding: 25px;
        }

        .hero-product-body h2 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-white);
        }

        .hero-product-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 18px;
        }

        .btn-flash {
            background: linear-gradient(135deg, #FF007F 0%, #CCFF00 100%);
            border: none;
            color: #0F0C20;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1rem;
            box-shadow: 0 6px 25px rgba(255, 0, 127, 0.35);
            width: 100%;
            letter-spacing: 0.3px;
        }

        .btn-flash:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 35px rgba(255, 0, 127, 0.5);
            color: #0F0C20;
        }

        /* Section styles */
        .section-pad {
            padding: 70px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-secondary);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            color: var(--text-white);
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 700px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        /* Strategy cards */
        .strategy-card {
            background: var(--card-bg);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 30px 25px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #CCFF00, #00F0FF);
            opacity: 0;
            transition: var(--transition);
        }

        .strategy-card:hover {
            transform: translateY(-6px);
            border-color: rgba(204, 255, 0, 0.4);
            box-shadow: var(--shadow-neon);
        }

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

        .strategy-icon {
            width: 55px;
            height: 55px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent-secondary);
            margin-bottom: 20px;
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

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

        .strategy-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* Tips flow */
        .flow-section {
            background: rgba(11, 26, 48, 0.5);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            border: 1px solid rgba(0, 240, 255, 0.1);
        }

        .flow-step {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .flow-step:last-child {
            border-bottom: none;
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            color: #0F0C20;
            font-weight: 900;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .flow-step h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-white);
        }

        .flow-step p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* Boss hunt section */
        .boss-section {
            background: radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            border: 1px solid rgba(204, 255, 0, 0.15);
        }

        .boss-card {
            background: rgba(15, 12, 32, 0.8);
            border-radius: var(--radius-md);
            padding: 25px;
            border: 1px solid rgba(204, 255, 0, 0.2);
            height: 100%;
            transition: var(--transition);
        }

        .boss-card:hover {
            border-color: rgba(204, 255, 0, 0.5);
            box-shadow: 0 0 25px rgba(204, 255, 0, 0.2);
            transform: translateY(-4px);
        }

        .boss-card h5 {
            color: var(--accent-primary);
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        .boss-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* Weapon grid */
        .weapon-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .weapon-item {
            background: rgba(15, 12, 32, 0.75);
            border-radius: var(--radius-sm);
            padding: 22px;
            border: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition);
        }

        .weapon-item:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: var(--shadow-neon);
        }

        .weapon-item i {
            font-size: 1.8rem;
            color: var(--accent-secondary);
            margin-bottom: 12px;
        }

        .weapon-item h5 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .weapon-item p {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 0;
        }

        /* FAQ */
        .accordion-item {
            background: rgba(15, 12, 32, 0.8);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            padding: 20px 25px;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-secondary);
        }

        .accordion-button:focus {
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
        }

        .accordion-body {
            color: var(--text-muted);
            padding: 20px 25px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.08) 0%, rgba(0, 240, 255, 0.08) 100%);
            border: 1px solid rgba(204, 255, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(0, 240, 255, 0.05), transparent, rgba(204, 255, 0, 0.05), transparent);
            animation: rotate-bg 15s linear infinite;
        }

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

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

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 15px;
            color: var(--text-white);
        }

        .cta-section p {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 30px;
            font-size: 1.05rem;
        }

        .btn-cta {
            background: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
            border: none;
            color: #0F0C20;
            padding: 15px 40px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.1rem;
            box-shadow: 0 8px 35px rgba(204, 255, 0, 0.35);
            letter-spacing: 0.3px;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 45px rgba(0, 240, 255, 0.45);
            color: #0F0C20;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 24px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: content-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            animation: float-fab 3s ease-in-out infinite;
        }

        @keyframes float-fab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        .fab-support i {
            font-size: 1.5rem;
            color: var(--accent-secondary);
            filter: drop-shadow(0 0 6px rgba(0, 240, 255, 0.8));
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.6);
        }

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

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid #0F0C20;
            animation: blink-dot 1.5s infinite;
        }

        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Footer */
        .site-footer {
            background: rgba(11, 26, 48, 0.7);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
            margin-top: 40px;
        }

        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-links-title {
            font-weight: 700;
            color: var(--accent-secondary);
            font-size: 1rem;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-primary);
            padding-left: 5px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 25px;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .footer-copyright {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-badges {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .footer-badge i {
            color: var(--accent-secondary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-sale h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .hero-sale {
                padding: 50px 0;
            }

            .hero-sale h1 {
                font-size: 2rem;
                letter-spacing: -0.5px;
            }

            .hero-sale .lead {
                font-size: 1rem;
            }

            .section-pad {
                padding: 50px 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .flow-section,
            .boss-section,
            .cta-section {
                padding: 40px 25px;
            }

            .nav-actions {
                flex-direction: row;
                gap: 8px;
                margin-top: 10px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .navbar-brand span {
                font-size: 1.1rem;
            }

            .countdown-item {
                min-width: 65px;
                padding: 10px 14px;
            }

            .countdown-item .number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-sale h1 {
                font-size: 1.7rem;
            }

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

            .hero-product-card img {
                height: 180px;
            }

            .hero-product-body {
                padding: 20px;
            }

            .hero-product-body h2 {
                font-size: 1.2rem;
            }

            .countdown-wrapper {
                gap: 8px;
            }

            .countdown-item {
                min-width: 55px;
                padding: 8px 10px;
            }

            .countdown-item .number {
                font-size: 1.3rem;
            }

            .flow-step {
                flex-direction: column;
                gap: 10px;
            }

            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }

            .fab-support {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 16px;
            }

            .fab-support i {
                font-size: 1.3rem;
            }

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

            .btn-cta {
                padding: 13px 30px;
                font-size: 1rem;
            }
        }