/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-dark-gold: #B8960F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A0C4B8;
            --border-gold: #FFD700;
            --border-subtle: rgba(255, 215, 0, 0.2);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --transition-base: 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-body);
            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-gold);
            text-decoration: none;
            transition: color var(--transition-base);
        }

        a:hover {
            color: #FFE55C;
            text-decoration: none;
        }

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-body);
            transition: all var(--transition-base);
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            font-size: 1.4rem;
            color: var(--accent-gold);
        }

        .logo:hover {
            color: #FFE55C;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFE55C;
            color: #FFE55C;
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
        }

        .btn-signup:hover {
            background: #FFE55C;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                z-index: 99;
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .header-actions {
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .logo {
                font-size: 1rem;
            }
        }

        /* Hero Section - Resource Download Style with Search */
        .hero-section {
            padding: 140px 0 100px;
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 40%, #0F3522 100%);
            position: relative;
            overflow: hidden;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(211, 47, 47, 0.9);
            color: #fff;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--accent-gold);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }

        .hero-search {
            display: flex;
            max-width: 520px;
            margin: 0 auto 36px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: 50px;
            overflow: hidden;
            backdrop-filter: blur(8px);
        }

        .hero-search input {
            flex: 1;
            background: transparent;
            border: none;
            padding: 14px 20px;
            color: #fff;
            font-size: 1rem;
            outline: none;
        }

        .hero-search input::placeholder {
            color: var(--text-muted);
        }

        .hero-search button {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: none;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition-base);
        }

        .hero-search button:hover {
            background: #FFE55C;
        }

        .hero-quick-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .hero-quick-links a {
            display: inline-block;
            padding: 10px 20px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-subtle);
            border-radius: 50px;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .hero-quick-links a:hover {
            background: rgba(255, 215, 0, 0.18);
            border-color: var(--accent-gold);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 70px;
                min-height: auto;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

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

            .hero-search {
                flex-direction: column;
                border-radius: var(--radius-md);
                background: transparent;
                border: none;
                gap: 10px;
            }

            .hero-search input {
                border: 1px solid var(--border-subtle);
                border-radius: 50px;
                background: rgba(255, 255, 255, 0.06);
            }

            .hero-search button {
                border-radius: 50px;
                text-align: center;
            }
        }

        /* Section Base */
        .section {
            padding: 80px 0;
        }

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

        .section-label {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 700px;
            line-height: 1.6;
        }

        /* Latest Updates Section */
        .latest-section {
            background: var(--bg-secondary);
            padding: 70px 0;
        }

        .latest-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 32px;
        }

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

        .latest-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: all var(--transition-base);
        }

        .latest-item:hover {
            border-color: var(--border-subtle);
            box-shadow: var(--shadow-card);
        }

        .latest-item-icon {
            width: 40px;
            height: 40px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            flex-shrink: 0;
            font-size: 1.1rem;
        }

        .latest-item-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .latest-item-content h4 a {
            color: #fff;
        }

        .latest-item-content h4 a:hover {
            color: var(--accent-gold);
        }

        .latest-item-content .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .latest-sidebar {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            height: fit-content;
        }

        .latest-sidebar h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

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

        .latest-sidebar ul li a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color var(--transition-base);
        }

        .latest-sidebar ul li a:hover {
            color: var(--accent-gold);
        }

        .no-updates {
            color: var(--text-muted);
            font-style: italic;
            padding: 20px 0;
            text-align: center;
        }

        @media (max-width: 768px) {
            .latest-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Quick FAQ Accordion Section */
        .faq-section {
            background: var(--bg-primary);
            padding: 80px 0;
        }

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item.active {
            border-color: var(--accent-gold);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            text-align: left;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: color var(--transition-base);
        }

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

        .faq-question i {
            transition: transform var(--transition-base);
            font-size: 0.9rem;
            color: var(--accent-gold);
        }

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

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

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* Ticket Comparison Section */
        .ticket-section {
            background: var(--bg-secondary);
            padding: 80px 0;
        }

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

        .ticket-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
            text-align: left;
            position: relative;
        }

        .ticket-card.featured {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: scale(1.03);
        }

        .ticket-card .ticket-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .ticket-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .ticket-card .ticket-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .ticket-card ul {
            list-style: none;
            margin-bottom: 24px;
        }

        .ticket-card ul li {
            padding: 6px 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .ticket-card ul li i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .ticket-btn {
            display: block;
            width: 100%;
            text-align: center;
            padding: 12px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            transition: all var(--transition-base);
        }

        .ticket-btn:hover {
            background: var(--accent-gold);
            color: var(--bg-primary);
        }

        .ticket-card.featured .ticket-btn {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: none;
        }

        .ticket-card.featured .ticket-btn:hover {
            background: #FFE55C;
        }

        @media (max-width: 768px) {
            .ticket-grid {
                grid-template-columns: 1fr;
            }

            .ticket-card.featured {
                transform: none;
            }
        }

        /* Timeline Section */
        .timeline-section {
            background: var(--bg-primary);
            padding: 80px 0;
        }

        .timeline {
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent-gold), rgba(255, 215, 0, 0.1));
        }

        .timeline-item {
            position: relative;
            margin-bottom: 36px;
        }

        .timeline-dot {
            position: absolute;
            left: -31px;
            top: 4px;
            width: 14px;
            height: 14px;
            background: var(--accent-gold);
            border-radius: 50%;
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.5);
        }

        .timeline-time {
            font-size: 0.85rem;
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 4px;
        }

        .timeline-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .timeline-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Security Section */
        .security-section {
            background: var(--bg-secondary);
            padding: 70px 0;
        }

        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .security-item {
            text-align: center;
            padding: 28px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
        }

        .security-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
        }

        .security-item i {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        .security-item h4 {
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            font-size: 1rem;
        }

        .security-item p {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .security-grid {
                grid-template-columns: 1fr;
            }
        }

        /* App Section */
        .app-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #0F3522 100%);
            padding: 80px 0;
        }

        .app-inner {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .app-text {
            flex: 1;
        }

        .app-text h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .app-text p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .app-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .app-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: none;
            transition: all var(--transition-base);
        }

        .app-btn:hover {
            background: #FFE55C;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        .app-btn.outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
        }

        .app-btn.outline:hover {
            background: rgba(255, 215, 0, 0.1);
        }

        .app-image {
            flex: 0 0 320px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
        }

        .app-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .app-inner {
                flex-direction: column;
                text-align: center;
            }

            .app-image {
                flex: 0 0 auto;
                max-width: 280px;
                margin: 0 auto;
            }

            .app-btns {
                justify-content: center;
            }
        }

        /* CTA Section */
        .cta-section {
            background: var(--bg-secondary);
            padding: 70px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-section p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .cta-btn {
            display: inline-block;
            padding: 14px 36px;
            background: var(--accent-gold);
            color: var(--bg-primary);
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-base);
        }

        .cta-btn:hover {
            background: #FFE55C;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
            color: var(--bg-primary);
        }

        /* Footer */
        .site-footer {
            background: #061A10;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .footer-col p,
        .footer-col a {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            display: block;
        }

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

        .footer-bottom {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-bottom span {
            color: var(--accent-gold);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-base);
            animation: fab-float 3s ease-in-out infinite;
        }

        @keyframes fab-float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            background: var(--accent-gold);
            color: var(--bg-primary);
        }

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

        .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blink 1.5s infinite;
        }

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

        .section-divider {
            border: none;
            height: 1px;
            background: linear-gradient(to right, transparent, rgba(255, 215, 0, 0.15), transparent);
            margin: 0;
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-dark-gold: #B8960F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A0C4B8;
            --border-gold: #FFD700;
            --border-subtle: rgba(255, 215, 0, 0.2);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --transition-base: 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a:hover {
            color: #FFE55C;
            text-decoration: none;
        }

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-body);
            transition: all var(--transition-base);
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            font-size: 1.4rem;
            color: var(--accent-gold);
        }

        .logo:hover {
            color: #FFE55C;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFE55C;
            color: #FFE55C;
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
        }

        .btn-signup:hover {
            background: #FFE55C;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                z-index: 99;
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .header-actions {
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }

        /* Page Header Banner */
        .page-banner {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border-bottom: 2px solid var(--border-subtle);
            padding: 100px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-banner-content {
            position: relative;
            z-index: 1;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .page-banner .article-meta {
            color: var(--text-muted);
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

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

        .page-banner .article-meta i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        /* Article Content Area */
        .article-area {
            padding: 50px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            align-items: start;
        }

        .article-main {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
        }

        .article-body {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.75;
        }

        .article-body h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 30px 0 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-subtle);
        }

        .article-body h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 24px 0 10px;
        }

        .article-body p {
            margin-bottom: 16px;
            text-align: justify;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: 20px;
        }

        .article-body li {
            margin-bottom: 8px;
            color: var(--text-secondary);
        }

        .article-body strong {
            color: var(--accent-gold);
            font-weight: 700;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.05);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: italic;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: var(--bg-secondary);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .article-body table th {
            background: var(--accent-gold);
            color: var(--bg-primary);
            font-weight: 700;
            padding: 12px 16px;
            text-align: left;
        }

        .article-body table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }

        .article-body table tr:hover td {
            background: rgba(255, 215, 0, 0.03);
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: calc(var(--header-height) + 20px);
        }

        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
        }

        .sidebar-card h4 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-subtle);
        }

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

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

        .sidebar-card ul li a {
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-base);
        }

        .sidebar-card ul li a:hover {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
        }

        .sidebar-card ul li a i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-gold);
        }

        .sidebar-cta h4 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .sidebar-cta p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .btn-gold {
            display: inline-block;
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            width: 100%;
            text-align: center;
        }

        .btn-gold:hover {
            background: #FFE55C;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
            color: var(--bg-primary);
        }

        /* No Article State */
        .no-article-card {
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            box-shadow: var(--shadow-card);
        }

        .no-article-card i {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: block;
        }

        .no-article-card h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .no-article-card p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 20px;
        }

        /* FAQ Section */
        .faq-section {
            padding: 60px 0 70px;
            background: var(--bg-secondary);
            border-top: 2px solid var(--border-subtle);
        }

        .faq-section .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .faq-item h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h3 i {
            color: var(--accent-gold);
            font-size: 1rem;
        }

        .faq-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0;
        }

        /* CTA Bottom */
        .cta-bottom {
            padding: 60px 0 70px;
            background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
            text-align: center;
        }

        .cta-bottom h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .cta-bottom p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-bottom .btn-gold {
            max-width: 300px;
            display: inline-block;
            width: auto;
            padding: 14px 40px;
            font-size: 1.1rem;
        }

        /* Footer */
        .site-footer {
            background: #061E12;
            border-top: 2px solid var(--border-subtle);
            padding: 50px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }

        .footer-col p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
        }

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

        .footer-bottom span {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 3px solid var(--accent-gold);
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-base);
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
        }

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

        .fab-left .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid var(--bg-card);
            animation: blink 1.5s infinite;
        }

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

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

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

            .article-sidebar {
                position: static;
            }

            .faq-grid {
                grid-template-columns: 1fr;
            }

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

            .page-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 90px 0 40px;
            }

            .page-banner h1 {
                font-size: 1.7rem;
            }

            .article-main {
                padding: 24px;
            }

            .article-body {
                font-size: 1rem;
            }

            .article-body h2 {
                font-size: 1.5rem;
            }

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

            .fab-left {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.4rem;
            }

            .btn-login,
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .article-main {
                padding: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-dark-gold: #B8960F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A0C4B8;
            --border-gold: #FFD700;
            --border-subtle: rgba(255, 215, 0, 0.2);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --transition-base: 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-body);
            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;
            padding-top: var(--header-height);
        }

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

        a:hover {
            color: #FFE55C;
            text-decoration: none;
        }

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-body);
            transition: all var(--transition-base);
            outline: none;
            display: inline-block;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            font-size: 1.4rem;
            color: var(--accent-gold);
        }

        .logo:hover {
            color: #FFE55C;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFE55C;
            color: #FFE55C;
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
        }

        .btn-signup:hover {
            background: #FFE55C;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        @media (max-width: 1024px) {
            .mobile-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                z-index: 99;
            }

            .nav-links.active {
                display: flex;
            }

            .header-actions .btn-login,
            .header-actions .btn-signup {
                display: inline-block;
            }
        }

        @media (max-width: 640px) {
            .header-actions {
                gap: 8px;
            }

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

            .logo {
                font-size: 1rem;
            }
        }

        .hero-section {
            padding: 60px 0 40px;
            background: linear-gradient(180deg, #0A2E1C 0%, #0D3924 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .hero-content h1 span {
            color: var(--accent-gold);
            display: block;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .countdown-timer {
            display: flex;
            gap: 16px;
            margin-bottom: 30px;
        }

        .countdown-item {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            text-align: center;
            min-width: 70px;
        }

        .countdown-item span {
            display: block;
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--accent-gold);
            line-height: 1;
        }

        .countdown-item label {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-visual {
            position: relative;
        }

        .live-preview-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .live-preview-card img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-bottom: 1px solid var(--border-subtle);
        }

        .live-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--accent-red);
            color: #fff;
            padding: 6px 14px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
            z-index: 2;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .live-preview-body {
            padding: 20px;
        }

        .live-preview-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }

        .live-preview-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

            .countdown-timer {
                gap: 10px;
            }

            .countdown-item {
                min-width: 60px;
                padding: 10px;
            }
        }

        .section {
            padding: 70px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            margin-bottom: 40px;
            color: var(--text-primary);
            text-align: left;
        }

        .section-title span {
            color: var(--accent-gold);
        }

        .offer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .offer-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all var(--transition-base);
            position: relative;
        }

        .offer-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .offer-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .offer-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .offer-percent {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 10px 0;
        }

        .offer-percent small {
            font-size: 1rem;
            color: var(--text-muted);
        }

        .offer-card p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            line-height: 1.5;
        }

        .offer-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .offer-meta span {
            background: rgba(255, 215, 0, 0.08);
            border-radius: 20px;
            padding: 6px 14px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .btn-gold {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            width: 100%;
            text-align: center;
            display: block;
        }

        .btn-gold:hover {
            background: #FFE55C;
            color: #0A2E1C;
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.4);
        }

        .metrics-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 40px 0;
        }

        .metric-item {
            background: rgba(255, 215, 0, 0.05);
            border-left: 3px solid var(--accent-gold);
            padding: 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
            margin-bottom: 6px;
        }

        .metric-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .comparison-table {
            overflow-x: auto;
            margin-top: 30px;
        }

        .comparison-table table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .comparison-table th {
            background: var(--accent-gold);
            color: var(--bg-primary);
            font-weight: 700;
            padding: 16px;
            text-align: left;
        }

        .comparison-table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }

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

        .comparison-highlight {
            color: var(--accent-gold);
            font-weight: 700;
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1.1rem;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            cursor: pointer;
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .cta-section {
            background: linear-gradient(135deg, #123E25 0%, #0A2E1C 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            text-align: center;
            margin: 40px 0;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
                    color: var(--text-primary);
        }

        .cta-section h2 span {
            color: var(--accent-gold);
        }

        .cta-section p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 30px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.1rem;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin: 0 8px 12px;
        }

        .btn-cta-large:hover {
            background: #FFE55C;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
        }

        .btn-cta-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin: 0 8px 12px;
        }

        .btn-cta-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFE55C;
            color: #FFE55C;
        }

        .site-footer {
            background: #072114;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 50px 0 20px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }

        .footer-col p,
        .footer-col a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            display: block;
            margin-bottom: 6px;
        }

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-bottom span {
            color: var(--accent-gold);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .metrics-panel {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-section {
                padding: 40px 20px;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

            .metrics-panel {
                grid-template-columns: 1fr;
            }

            .offer-grid {
                grid-template-columns: 1fr;
            }

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

            .btn-cta-large,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
            }
        }

        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1A4A33, #0F3522);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition-base);
            opacity: 0.7;
        }

        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }

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

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

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

        .spacer-20 {
            height: 20px;
        }
        .spacer-40 {
            height: 40px;
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-dark-gold: #B8960F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A0C4B8;
            --border-gold: #FFD700;
            --border-subtle: rgba(255, 215, 0, 0.2);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --transition-base: 0.25s ease;
        }

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

        body {
            font-family: var(--font-body);
            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;
            margin: 0;
            padding: 0;
        }

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

        a:hover {
            color: #FFE55C;
            text-decoration: none;
        }

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-body);
            transition: all var(--transition-base);
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            font-size: 1.4rem;
            color: var(--accent-gold);
        }

        .logo:hover {
            color: #FFE55C;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFE55C;
            color: #FFE55C;
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            display: inline-block;
            text-align: center;
        }

        .btn-signup:hover {
            background: #FFE55C;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            color: var(--bg-primary);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* Mobile Navigation */
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                z-index: 99;
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .header-actions {
                gap: 8px;
            }

            .btn-login {
                padding: 8px 16px;
                font-size: 0.85rem;
            }

            .btn-signup {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
        }

        /* Main Content Spacing */
        .main-content {
            padding-top: calc(var(--header-height) + 20px);
            padding-bottom: 60px;
        }

        /* Hero Section */
        .hero-category {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 50%, #0F3522 100%);
            padding: 60px 0 40px;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .hero-title span {
            color: var(--accent-gold);
            display: inline;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        .btn-primary-gold {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.05rem;
            border: none;
            display: inline-block;
            text-align: center;
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.3);
        }

        .btn-primary-gold:hover {
            background: #FFE55C;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 215, 0, 0.45);
            color: var(--bg-primary);
        }

        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-block;
            text-align: center;
        }

        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.1);
            color: #FFE55C;
            border-color: #FFE55C;
        }

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

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-gold);
            width: 100%;
            max-width: 450px;
            margin: 0 auto;
            border: 2px solid rgba(255, 215, 0, 0.25);
        }

        .floating-badge {
            position: absolute;
            top: -10px;
            right: 10px;
            background: var(--accent-red);
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.5);
            animation: float 3s ease-in-out infinite;
        }

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

        /* Stats Bar */
        .stats-mini-bar {
            display: flex;
            gap: 30px;
            margin-top: 30px;
            flex-wrap: wrap;
            background: rgba(255,215,0,0.05);
            padding: 16px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
        }

        .stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .stat-item i {
            font-size: 1.8rem;
            color: var(--accent-gold);
        }

        .stat-item strong {
            font-size: 1.3rem;
            color: var(--accent-gold);
            display: block;
        }

        .stat-item span {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Section Headings */
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 15px;
            text-align: left;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            text-align: left;
            max-width: 700px;
        }

        /* Promo Cards Grid */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
            margin-bottom: 50px;
        }

        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .promo-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.2);
            transform: translateY(-4px);
        }

        .promo-tag {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--accent-red);
            color: white;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .promo-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 18px;
        }

        .promo-card h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .promo-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
            flex-grow: 1;
            margin-bottom: 20px;
        }

        .promo-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .promo-card .btn-signup {
            align-self: flex-start;
        }

        /* Indicator Board */
        .indicator-board {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-subtle);
            margin-bottom: 50px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .indicator-item i {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

        .indicator-item .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            display: block;
        }

        .indicator-item .label {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        /* Comparison Table Style */
        .comparison-wrapper {
            overflow-x: auto;
            margin-bottom: 50px;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .comparison-table th {
            background: var(--bg-secondary);
            padding: 18px;
            font-weight: 700;
            color: var(--accent-gold);
            text-align: left;
            font-size: 1rem;
            border-bottom: 1px solid var(--border-subtle);
        }

        .comparison-table td {
            padding: 16px 18px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            color: var(--text-secondary);
        }

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

        .comparison-table .highlight-col {
            color: var(--accent-gold);
            font-weight: 700;
        }

        /* FAQ Section */
        .faq-grid {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 50px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 28px;
            transition: background 0.2s;
        }

        .faq-item:hover {
            background: var(--bg-secondary);
            border-color: rgba(255,215,0,0.25);
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: baseline;
            gap: 12px;
        }

        .faq-question i {
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-top: 3px;
        }

        .faq-answer {
            color: var(--text-muted);
            line-height: 1.7;
            padding-left: 28px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #123E25, #0A2E1C);
            border-radius: var(--radius-xl);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid var(--accent-gold);
            box-shadow: 0 8px 30px rgba(255,215,0,0.2);
            margin-bottom: 50px;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .cta-section p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 30px;
        }

        /* Footer */
        .site-footer {
            background: #082216;
            border-top: 1px solid rgba(255,215,0,0.2);
            padding: 50px 0 25px;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 35px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            color: var(--accent-gold);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-col p, .footer-col a {
            display: block;
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .footer-bottom span {
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: 0.3s;
            animation: floatFab 3s ease-in-out infinite;
        }

        .fab-left:hover {
            transform: scale(1.1);
            background: var(--accent-gold);
            color: var(--bg-primary);
        }

        @keyframes floatFab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 25px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-visual img {
                max-width: 300px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .indicator-board {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3522;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --accent-dark-gold: #B8960F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #A0C4B8;
            --border-gold: #FFD700;
            --border-subtle: rgba(255, 215, 0, 0.2);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --transition-base: 0.25s ease;
        }

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

        body {
            font-family: var(--font-body);
            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;
            padding-top: var(--header-height);
        }

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

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

        a:hover {
            color: #FFE55C;
            text-decoration: none;
        }

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

        button,
        .button {
            cursor: pointer;
            font-family: var(--font-body);
            transition: all var(--transition-base);
            outline: none;
            border: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            font-size: 1.4rem;
            color: var(--accent-gold);
        }

        .logo:hover {
            color: #FFE55C;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 0;
            transition: color var(--transition-base);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width var(--transition-base);
            border-radius: 2px;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFE55C;
            color: #FFE55C;
        }

        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
        }

        .btn-signup:hover {
            background: #FFE55C;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
        }

        @media screen and (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                z-index: 99;
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .header-actions {
                gap: 8px;
            }

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

        .hero-section {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(18, 62, 37, 0.9) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            text-align: center;
            border-bottom: 2px solid var(--border-subtle);
        }

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

        .hero-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.2;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        .countdown-bar {
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-subtle);
            border-radius: 50px;
            padding: 12px 30px;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 30px;
            backdrop-filter: blur(8px);
            flex-wrap: wrap;
            justify-content: center;
        }

        .countdown-item {
            text-align: center;
        }

        .countdown-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }

        .countdown-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
        }

        .countdown-separator {
            font-size: 1.8rem;
            color: var(--accent-gold);
            font-weight: 300;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1rem;
            border: none;
            box-shadow: var(--shadow-gold);
        }

        .btn-primary-lg:hover {
            background: #FFE55C;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            color: var(--bg-primary);
        }

        .btn-outline-lg {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1rem;
        }

        .btn-outline-lg:hover {
            background: rgba(255, 215, 0, 0.08);
            border-color: #FFE55C;
            color: #FFE55C;
        }

        @media screen and (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }

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

            .countdown-bar {
                padding: 10px 20px;
                gap: 10px;
            }

            .countdown-num {
                font-size: 1.4rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .btn-primary-lg,
            .btn-outline-lg {
                width: 100%;
                max-width: 320px;
                text-align: center;
            }
        }

        .section {
            padding: 60px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 800px;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
            margin-bottom: 40px;
        }

        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .data-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .data-card-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            display: inline-block;
        }

        .data-card-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 4px;
            line-height: 1;
        }

        .data-card-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 600;
        }

        .data-card-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 50px;
        }

        .service-matrix {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }

        .service-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .service-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 20px;
        }

        .service-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-subtle);
            border-radius: 50px;
            padding: 6px 14px;
            font-size: 0.8rem;
            color: var(--accent-gold);
            font-weight: 600;
            align-self: flex-start;
        }

        .comparison-table {
            overflow-x: auto;
            margin: 0 -20px;
            padding: 0 20px;
        }

        .comparison-table table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table th {
            background: var(--bg-card);
            color: var(--accent-gold);
            font-weight: 700;
            padding: 16px 20px;
            text-align: left;
            border-bottom: 2px solid var(--border-subtle);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .comparison-table td {
            padding: 14px 20px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .comparison-table tr:hover td {
            background: rgba(255, 215, 0, 0.03);
        }

        .highlight-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .check-icon {
            color: #4CAF50;
            font-weight: 700;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 24px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            width: 100%;
        }

        .faq-question i {
            color: var(--accent-gold);
            transition: transform var(--transition-base);
            font-size: 0.9rem;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 18px;
        }

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

        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            margin: 40px 0;
        }

        .cta-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .cta-desc {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 1rem;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 30px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-col p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: color var(--transition-base);
        }

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: 20px;
        }

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

        .footer-bottom span {
            color: var(--accent-gold);
            font-weight: 600;
        }

        @media screen and (max-width: 520px) {
            .section {
                padding: 40px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .data-grid {
                grid-template-columns: 1fr;
            }

            .service-matrix {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 30px 20px;
            }

            .cta-title {
                font-size: 1.4rem;
            }
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 32px;
            z-index: 50;
            width: 56px;
            height: 56px;
            background: var(--bg-card);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            animation: floatFab 3s ease-in-out infinite;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.5);
        }

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

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: var(--accent-red);
            border-radius: 50%;
            animation: blink 1.5s ease-in-out infinite;
        }

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