/* roulang page: index */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #FFD700;
            --card-bg: #0F3925;
            --btn-hover-gold: #FFC107;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        button, .btn {
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

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

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background 0.3s ease;
        }

        .navbar-custom .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .navbar-custom .navbar-brand span {
            color: var(--text-white);
            font-size: 0.9rem;
            display: block;
            font-weight: 400;
            opacity: 0.8;
        }

        .navbar-custom .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            margin: 0 8px;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            border: none;
            color: #0A2E1C;
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }

        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
        }

        .navbar-toggler {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 215, 0, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== HERO ========== */
        .hero-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 40%, #0B3C25 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid rgba(255, 215, 0, 0.4);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-download-card {
            background: rgba(15, 57, 37, 0.9);
            backdrop-filter: blur(15px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .hero-download-card h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.6rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .hero-download-card .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 24px;
            line-height: 1.7;
            opacity: 0.95;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }

        .btn-hero-primary {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
            border: none;
            box-shadow: var(--shadow-gold);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-hero-primary:hover {
            background: #FFC107;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        .btn-hero-outline {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
        }

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

        .hero-feature-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .hero-feature-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-mint);
            font-size: 0.95rem;
            background: rgba(255, 215, 0, 0.05);
            padding: 8px 16px;
            border-radius: 50px;
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .hero-feature-list li i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        /* ========== SECTIONS GENERAL ========== */
        section {
            padding: 70px 0;
        }

        .section-label {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.3);
            padding: 6px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2.2rem;
            color: var(--text-white);
            margin-bottom: 16px;
        }

        .section-desc {
            color: var(--text-mint);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 700px;
            opacity: 0.9;
        }

        /* ========== NEWS/CMS LIST ========== */
        .news-section {
            background: var(--primary-bg);
        }

        .news-list-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .news-list-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 12px 36px rgba(255, 215, 0, 0.15);
        }

        .news-item {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            transition: all 0.2s ease;
            flex-wrap: wrap;
            gap: 8px;
        }

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

        .news-item:hover {
            padding-left: 8px;
        }

        .news-item a {
            color: var(--text-white);
            font-weight: 500;
            font-size: 1rem;
            transition: color 0.2s;
            flex: 1;
        }

        .news-item a:hover {
            color: var(--accent-gold);
        }

        .news-item .news-date {
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 500;
            white-space: nowrap;
        }

        .news-empty {
            color: var(--text-mint);
            text-align: center;
            padding: 30px;
            font-style: italic;
            opacity: 0.7;
        }

        /* ========== SERVICE CARDS ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }

        .service-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 32px 24px;
            text-align: left;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-red));
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-6px);
            box-shadow: 0 14px 40px rgba(255, 215, 0, 0.2);
        }

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

        .service-card .card-icon {
            font-size: 2.4rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--text-white);
            margin-bottom: 10px;
        }

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

        /* ========== APP DOWNLOAD SECTION ========== */
        .app-section {
            background: var(--secondary-bg);
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
        }

        .app-download-card {
            background: rgba(10, 46, 28, 0.85);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid rgba(255, 215, 0, 0.35);
        }

        .app-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
        }

        .app-feature-item i {
            color: var(--accent-gold);
            font-size: 1.2rem;
            margin-top: 4px;
        }

        .btn-download-app {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: 50px;
            border: none;
            box-shadow: var(--shadow-gold);
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s;
        }

        .btn-download-app:hover {
            background: #FFC107;
            transform: scale(1.03);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--primary-bg);
        }

        .faq-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 24px;
            margin-bottom: 16px;
            transition: all 0.3s;
        }

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

        .faq-card h4 {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .faq-card p {
            color: var(--text-mint);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== TRUST SECTION ========== */
        .trust-section {
            background: var(--secondary-bg);
        }

        .trust-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid rgba(255, 215, 0, 0.25);
            transition: all 0.3s;
        }

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

        .trust-card i {
            font-size: 2.4rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .trust-card h5 {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
        }

        .trust-card p {
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C, #123E25);
            border-top: 2px solid var(--accent-gold);
            border-bottom: 2px solid var(--accent-gold);
            text-align: center;
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: #071F12;
            border-top: 3px solid var(--accent-gold);
            padding: 50px 0 20px;
        }

        .footer-section h5 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-section a {
            color: var(--text-mint);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.3);
            padding-top: 16px;
            margin-top: 30px;
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        /* ========== FAB ========== */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FFD700, #B8860B);
            border-radius: 50%;
            border: 3px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            animation: floatChip 3s ease-in-out infinite;
            cursor: pointer;
            transition: all 0.3s;
        }

        .fab-floating:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.55);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-download-card h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 40px 0;
            }
            .hero-download-card {
                padding: 24px;
            }
            .hero-download-card h1 {
                font-size: 1.6rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

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

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #FFD700;
            --card-bg: #0F3925;
            --btn-hover-gold: #FFC107;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button, .btn {
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        button:focus, .btn:focus, a:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Navigation */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background 0.3s ease;
        }
        
        .navbar-custom .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        
        .navbar-custom .navbar-brand span {
            color: var(--text-white);
            font-size: 0.9rem;
            display: block;
            font-weight: 400;
            opacity: 0.8;
        }
        
        .navbar-custom .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            margin: 0 8px;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
        
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }
        
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }
        
        .btn-signup {
            background: var(--accent-gold);
            border: none;
            color: #0A2E1C;
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        
        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
        }
        
        .navbar-toggler {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 215, 0, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* Article Section */
        .article-section {
            padding: 60px 0;
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 50%, #0B3C25 100%);
            min-height: 60vh;
        }
        
        .article-content-wrapper {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-card);
            max-width: 860px;
            margin: 0 auto;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            flex-wrap: wrap;
        }
        
        .article-meta .badge-category {
            background: var(--accent-red);
            color: var(--text-white);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        
        .article-meta .article-date {
            color: var(--text-mint);
            font-size: 0.9rem;
            opacity: 0.85;
        }
        
        .article-content-wrapper h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.4rem;
            color: var(--accent-gold);
            margin-bottom: 32px;
            line-height: 1.3;
        }
        
        .article-body {
            color: var(--text-mint);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        
        .article-body p {
            margin-bottom: 20px;
        }
        
        .article-body h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-top: 36px;
            margin-bottom: 16px;
        }
        
        .article-body h3 {
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 1.2rem;
            color: var(--text-white);
            margin-top: 24px;
            margin-bottom: 12px;
        }
        
        .article-body ul, .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        
        .article-body li {
            margin-bottom: 8px;
            color: var(--text-mint);
        }
        
        .article-body a {
            color: var(--accent-gold);
            text-decoration: underline;
            font-weight: 500;
        }
        
        .article-body a:hover {
            color: #FFC107;
        }
        
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        
        .article-not-found h2 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        
        .article-not-found p {
            color: var(--text-mint);
            margin-bottom: 24px;
            font-size: 1.1rem;
        }
        
        .btn-back-home {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            border: none;
            box-shadow: var(--shadow-gold);
            display: inline-block;
            transition: all 0.3s ease;
        }
        
        .btn-back-home:hover {
            background: #FFC107;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            color: #0A2E1C;
        }
        
        /* Footer */
        .footer-section {
            background: #071F13;
            padding: 50px 0 30px;
            border-top: 2px solid rgba(255, 215, 0, 0.3);
        }
        
        .footer-section h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            font-size: 1.1rem;
        }
        
        .footer-section p, .footer-section a {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.8;
            opacity: 0.9;
        }
        
        .footer-section a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        
        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            color: var(--text-mint);
            font-size: 0.85rem;
            opacity: 0.7;
        }
        
        .text-mint {
            color: var(--text-mint);
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .article-content-wrapper {
                padding: 32px;
                margin: 0 20px;
            }
            
            .article-content-wrapper h1 {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 768px) {
            .navbar-custom .navbar-brand {
                font-size: 1.2rem;
            }
            
            .article-section {
                padding: 40px 0;
            }
            
            .article-content-wrapper {
                padding: 24px;
                margin: 0 16px;
            }
            
            .article-content-wrapper h1 {
                font-size: 1.6rem;
            }
            
            .article-body {
                font-size: 0.98rem;
            }
            
            .btn-login, .btn-signup {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
        }
        
        @media (max-width: 520px) {
            .article-content-wrapper {
                padding: 20px;
                margin: 0 12px;
                border-radius: var(--radius-md);
            }
            
            .article-content-wrapper h1 {
                font-size: 1.4rem;
            }
            
            .article-meta {
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }
            
            .footer-section h5 {
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #FFD700;
            --card-bg: #0F3925;
            --btn-hover-gold: #FFC107;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        button,
        .btn {
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

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

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background 0.3s ease;
        }

        .navbar-custom .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .navbar-custom .navbar-brand span {
            color: var(--text-white);
            font-size: 0.9rem;
            display: block;
            font-weight: 400;
            opacity: 0.8;
        }

        .navbar-custom .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            margin: 0 8px;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            border: none;
            color: #0A2E1C;
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }

        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
        }

        .navbar-toggler {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 215, 0, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 40%, #0B3C25 100%);
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 0 60px;
            position: relative;
            border-bottom: 2px solid rgba(255, 215, 0, 0.4);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .page-hero h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.8rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .page-hero .hero-lead {
            font-size: 1.15rem;
            color: var(--text-mint);
            max-width: 700px;
            line-height: 1.7;
        }

        .badge-promo-hot {
            background: var(--accent-red);
            color: white;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        /* ========== STATS & METRICS ========== */
        .stats-section {
            background: var(--secondary-bg);
            padding: 40px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
        }

        .stat-item {
            text-align: center;
            padding: 20px 15px;
        }

        .stat-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .stat-label {
            color: var(--text-mint);
            font-size: 0.95rem;
            margin-top: 8px;
            opacity: 0.9;
        }

        /* ========== PROMO DETAIL CARDS ========== */
        .promo-details-section {
            padding: 70px 0 50px;
        }

        .promo-card-large {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 35px 30px;
            margin-bottom: 30px;
            position: relative;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }

        .promo-card-large:hover {
            border-color: var(--border-gold);
            box-shadow: 0 12px 40px rgba(255, 215, 0, 0.2);
            transform: translateY(-2px);
        }

        .promo-card-large .promo-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #0A2E1C;
            margin-bottom: 20px;
        }

        .promo-card-large h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.6rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .promo-card-large .promo-desc {
            color: var(--text-mint);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .promo-highlight-box {
            background: rgba(255, 215, 0, 0.08);
            border-left: 3px solid var(--accent-gold);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-bottom: 20px;
        }

        .promo-highlight-box strong {
            color: var(--accent-gold);
        }

        .btn-claim-promo {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 1rem;
            border: none;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }

        .btn-claim-promo:hover {
            background: #FFC107;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: #0A2E1C;
        }

        /* ========== STEPS / FLOW ========== */
        .steps-section {
            padding: 50px 0 70px;
            background: var(--secondary-bg);
        }

        .step-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 30px 25px;
            text-align: center;
            border: 1px solid rgba(255, 215, 0, 0.15);
            height: 100%;
            transition: all 0.3s ease;
        }

        .step-card:hover {
            border-color: var(--border-gold);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.15);
        }

        .step-number {
            display: inline-block;
            width: 48px;
            height: 48px;
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1.3rem;
            line-height: 48px;
            border-radius: 50%;
            margin-bottom: 16px;
        }

        .step-card h4 {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-white);
            margin-bottom: 10px;
        }

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

        /* ========== FAQ ========== */
        .faq-section {
            padding: 70px 0 50px;
        }

        .accordion-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            margin-bottom: 12px;
            border-radius: var(--radius-md) !important;
            overflow: hidden;
        }

        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1.05rem;
            padding: 20px 24px;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            box-shadow: none;
        }

        .accordion-button::after {
            filter: brightness(0) invert(0.8);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.5);
            border-color: var(--accent-gold);
        }

        .accordion-body {
            color: var(--text-mint);
            padding: 16px 24px 24px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner {
            background: linear-gradient(135deg, #0F3925 0%, #1A4D35 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            margin: 40px 0 60px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-banner h2 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .cta-banner p {
            color: var(--text-mint);
            font-size: 1.1rem;
            margin-bottom: 28px;
        }

        /* ========== FOOTER ========== */
        .footer-section {
            background: #051A10;
            padding: 50px 0 30px;
            border-top: 2px solid rgba(255, 215, 0, 0.3);
        }

        .footer-section h5 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1.1rem;
        }

        .footer-section a {
            color: var(--text-mint);
            display: block;
            padding: 4px 0;
            font-size: 0.95rem;
            transition: color 0.2s;
        }

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

        .text-mint {
            color: var(--text-mint) !important;
        }

        .footer-bottom {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            color: var(--text-mint);
            font-size: 0.85rem;
        }

        .text-gold {
            color: var(--accent-gold) !important;
        }

        /* ========== FAB ========== */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(10, 46, 28, 0.9);
            backdrop-filter: blur(10px);
            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: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all 0.3s ease;
            animation: float-fab 3s ease-in-out infinite;
        }

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

        .fab-left:hover {
            background: var(--accent-gold);
            color: #0A2E1C;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991px) {
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .promo-card-large {
                padding: 25px 20px;
            }
            .cta-banner h2 {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 767px) {
            .page-hero {
                padding: 50px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .cta-banner {
                padding: 30px 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #FFD700;
            --card-bg: #0F3925;
            --btn-hover-gold: #FFC107;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }
        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, .btn {
            transition: all 0.3s ease;
            cursor: pointer;
        }
        button:focus, .btn:focus, a:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* ========== NAVIGATION ========== */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background 0.3s ease;
        }
        .navbar-custom .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .navbar-custom .navbar-brand span {
            color: var(--text-white);
            font-size: 0.9rem;
            display: block;
            font-weight: 400;
            opacity: 0.8;
        }
        .navbar-custom .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            margin: 0 8px;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: var(--accent-gold);
            border: none;
            color: #0A2E1C;
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
        }
        .navbar-toggler {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 215, 0, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        /* ========== HERO ========== */
        .hero-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 40%, #0B3C25 100%);
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid rgba(255, 215, 0, 0.4);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-download-card {
            background: rgba(15, 57, 37, 0.9);
            backdrop-filter: blur(15px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .hero-download-card h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.6rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .hero-download-card .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 24px;
            line-height: 1.7;
            opacity: 0.95;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .btn-hero-primary {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-hero-primary:hover {
            background: var(--btn-hover-gold);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: #0A2E1C;
        }
        .btn-hero-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
        }
        .hero-features {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
        }
        .hero-feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-mint);
            font-size: 0.95rem;
            font-weight: 500;
        }
        .hero-feature-item i {
            color: var(--accent-gold);
            font-size: 1.2rem;
        }
        .progress-wrapper {
            background: rgba(0, 0, 0, 0.4);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: left;
        }
        .progress-circle {
            width: 100px;
            height: 100px;
            margin: 0 auto 16px;
            position: relative;
        }
        .progress-circle svg {
            transform: rotate(-90deg);
        }
        .progress-circle .bg-circle {
            fill: none;
            stroke: rgba(255, 215, 0, 0.15);
            stroke-width: 8;
        }
        .progress-circle .progress-fill {
            fill: none;
            stroke: var(--accent-gold);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }
        .progress-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--accent-gold);
        }
        /* ========== SECTIONS ========== */
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
            text-align: left;
        }
        .section-desc {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 40px;
            line-height: 1.7;
            text-align: left;
        }
        .offer-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .offer-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold);
        }
        .offer-card .badge-hot {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent-red);
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 50px;
            text-transform: uppercase;
        }
        .offer-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.6rem;
            color: var(--accent-gold);
        }
        .offer-card h3 {
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 8px;
            color: var(--accent-gold);
        }
        .offer-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .offer-value {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--accent-gold);
            display: block;
            margin-bottom: 4px;
        }
        .offer-code {
            background: rgba(255, 215, 0, 0.08);
            border: 1px dashed var(--accent-gold);
            border-radius: 8px;
            padding: 6px 14px;
            font-family: monospace;
            color: var(--accent-gold);
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 16px;
        }
        .btn-offer {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 0.95rem;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-offer:hover {
            background: var(--btn-hover-gold);
            transform: translateY(-1px);
            color: #0A2E1C;
        }
        .data-badge-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin-bottom: 40px;
        }
        .data-badge {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
        }
        .data-badge .badge-number {
            font-weight: 800;
            font-size: 2rem;
            color: var(--accent-gold);
        }
        .data-badge .badge-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            margin-top: 4px;
        }
        .step-list {
            list-style: none;
            padding: 0;
            display: grid;
            gap: 24px;
        }
        .step-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid rgba(255, 215, 0, 0.15);
        }
        .step-number {
            background: var(--accent-gold);
            color: #0A2E1C;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .step-content h4 {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }
        .step-content p {
            color: var(--text-mint);
            font-size: 0.95rem;
            margin: 0;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--accent-gold);
            font-size: 1.05rem;
        }
        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--accent-gold);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .cta-section {
            background: linear-gradient(135deg, #0F3925 0%, #0A2E1C 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            margin: 60px 0;
        }
        .cta-section h2 {
            font-weight: 800;
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 24px;
        }
        .btn-cta-lg {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        .btn-cta-lg:hover {
            background: var(--btn-hover-gold);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
            color: #0A2E1C;
        }
        /* ========== FOOTER ========== */
        .footer-section {
            background: var(--secondary-bg);
            border-top: 1px solid rgba(255, 215, 0, 0.3);
            padding: 48px 0 24px;
            color: var(--text-mint);
        }
        .footer-section h5 {
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        .footer-section a {
            color: var(--text-mint);
            display: block;
            padding: 4px 0;
            transition: color 0.2s ease;
        }
        .footer-section a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 20px;
            margin-top: 30px;
            color: var(--text-mint);
            font-size: 0.85rem;
        }
        .text-mint {
            color: var(--text-mint);
        }
        .text-gold {
            color: var(--accent-gold);
        }
        @media (max-width: 768px) {
            .hero-download-card h1 {
                font-size: 1.8rem;
            }
            .hero-download-card {
                padding: 24px;
            }
            .hero-features {
                flex-direction: column;
                gap: 12px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .offer-value {
                font-size: 1.4rem;
            }
            .cta-section {
                padding: 28px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #FFD700;
            --card-bg: #0F3925;
            --btn-hover-gold: #FFC107;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        button,
        .btn {
            transition: all 0.3s ease;
            cursor: pointer;
        }

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

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

        /* ========== NAVIGATION ========== */
        .navbar-custom {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background 0.3s ease;
        }

        .navbar-custom .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .navbar-custom .navbar-brand span {
            color: var(--text-white);
            font-size: 0.9rem;
            display: block;
            font-weight: 400;
            opacity: 0.8;
        }

        .navbar-custom .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            margin: 0 8px;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: var(--accent-gold);
            border: none;
            color: #0A2E1C;
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }

        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
        }

        .navbar-toggler {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 215, 0, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 40%, #0B3C25 100%);
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 0 50px;
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid rgba(255, 215, 0, 0.4);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.8rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.3;
            position: relative;
            z-index: 1;
        }

        .page-banner .lead {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            opacity: 0.95;
            position: relative;
            z-index: 1;
        }

        /* ========== METRICS ROW ========== */
        .metrics-row {
            background: var(--secondary-bg);
            padding: 30px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }

        .metric-block {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: left;
            transition: all 0.3s ease;
            height: 100%;
        }

        .metric-block:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .metric-block .metric-value {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 4px;
            line-height: 1.2;
        }

        .metric-block .metric-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            opacity: 0.85;
            line-height: 1.4;
        }

        .metric-block .metric-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
            display: block;
        }

        /* ========== PROMO LIST ========== */
        .promo-grid {
            background: var(--primary-bg);
            padding: 60px 0;
        }

        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
            border-left: 4px solid var(--accent-gold);
        }

        .section-subtitle {
            color: var(--text-mint);
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 40px;
        }

        .promo-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow: hidden;
        }

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

        .promo-card .promo-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
            align-self: flex-start;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .promo-card .promo-badge.hot {
            background: #FF4500;
            animation: pulse-badge 2s infinite;
        }

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

        .promo-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .promo-card .promo-amount {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .promo-card .promo-desc {
            font-size: 0.9rem;
            color: var(--text-mint);
            opacity: 0.85;
            line-height: 1.6;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .promo-card .promo-conditions {
            font-size: 0.8rem;
            color: var(--text-mint);
            opacity: 0.7;
            margin-bottom: 20px;
            padding: 10px;
            background: rgba(0, 0, 0, 0.2);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent-gold);
        }

        .btn-claim {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 0.9rem;
            border: none;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.25);
            text-align: center;
            display: inline-block;
            align-self: flex-start;
            transition: all 0.3s ease;
        }

        .btn-claim:hover {
            background: #FFC107;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        /* ========== HOW TO CLAIM ========== */
        .claim-steps {
            background: var(--secondary-bg);
            padding: 60px 0;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
        }

        .step-vertical {
            display: flex;
            gap: 20px;
            margin-bottom: 24px;
            position: relative;
        }

        .step-vertical:last-child {
            margin-bottom: 0;
        }

        .step-number {
            min-width: 50px;
            height: 50px;
            background: var(--accent-gold);
            color: #0A2E1C;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            font-family: var(--font-heading);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.4);
            flex-shrink: 0;
        }

        .step-content h4 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-white);
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-mint);
            opacity: 0.9;
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== COMPARISON TABLE ========== */
        .compare-section {
            background: var(--primary-bg);
            padding: 60px 0;
        }

        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            background: var(--card-bg);
        }

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

        .compare-table thead th {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 16px;
            font-size: 0.95rem;
            border: none;
            text-align: left;
        }

        .compare-table tbody td {
            padding: 14px 16px;
            font-size: 0.9rem;
            color: var(--text-mint);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            vertical-align: middle;
        }

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

        .compare-table .check-icon {
            color: #32CD32;
            font-size: 1.1rem;
        }

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

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--secondary-bg);
            padding: 60px 0;
        }

        .accordion-item {
            background: transparent;
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .accordion-button {
            background: var(--card-bg);
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 20px;
            box-shadow: none !important;
            border-radius: var(--radius-md) !important;
            transition: all 0.3s ease;
        }

        .accordion-button:not(.collapsed) {
            background: var(--card-bg);
            color: var(--accent-gold);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
        }

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

        .accordion-body {
            background: var(--card-bg);
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.7;
            padding: 18px 20px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #0B3C25 0%, #0A2E1C 100%);
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 70px 0;
            text-align: center;
            border-top: 2px solid rgba(255, 215, 0, 0.4);
            border-bottom: 2px solid rgba(255, 215, 0, 0.4);
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-mint);
            margin-bottom: 24px;
            opacity: 0.95;
        }

        .btn-cta-large {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 14px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            border: none;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            display: inline-block;
        }

        .btn-cta-large:hover {
            background: #FFC107;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        /* ========== FAB ========== */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1040;
            width: 56px;
            height: 56px;
            background: rgba(10, 46, 28, 0.85);
            backdrop-filter: blur(8px);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all 0.3s ease;
            opacity: 0.7;
            animation: fab-float 3s ease-in-out infinite;
        }

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

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

        .fab-notification {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blink-dot 1.5s infinite;
        }

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

        /* ========== FOOTER ========== */
        .footer-section {
            background: #051F13;
            padding: 50px 0 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--text-mint);
            font-size: 0.9rem;
        }

        .footer-section h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
            font-size: 1.05rem;
        }

        .footer-section a {
            color: var(--text-mint);
            opacity: 0.85;
            transition: all 0.2s ease;
            display: inline-block;
            margin-bottom: 4px;
        }

        .footer-section a:hover {
            color: var(--accent-gold);
            opacity: 1;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding-top: 16px;
            margin-top: 24px;
            color: var(--text-mint);
            opacity: 0.7;
            font-size: 0.8rem;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 991.98px) {
            .page-banner h1 {
                font-size: 2rem;
            }
            .metric-value {
                font-size: 1.6rem;
            }
            .promo-amount {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 767.98px) {
            .page-banner {
                padding: 50px 0 35px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .lead {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .promo-card {
                padding: 20px 16px;
            }
            .fab-floating {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .btn-claim,
            .btn-cta-large {
                width: 100%;
                text-align: center;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .step-vertical {
                flex-direction: column;
                gap: 12px;
                align-items: flex-start;
            }
            .metric-block {
                padding: 16px;
            }
            .metric-value {
                font-size: 1.3rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: #FFD700;
            --card-bg: #0F3925;
            --btn-hover-gold: #FFC107;
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }
        
        body {
            font-family: var(--font-body);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button,
        .btn {
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        button:focus,
        .btn:focus,
        a:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .navbar-custom {
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: background 0.3s ease;
        }
        
        .navbar-custom .navbar-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        
        .navbar-custom .navbar-brand span {
            color: var(--text-white);
            font-size: 0.9rem;
            display: block;
            font-weight: 400;
            opacity: 0.8;
        }
        
        .navbar-custom .nav-link {
            color: var(--text-mint) !important;
            font-weight: 500;
            margin: 0 8px;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }
        
        .navbar-custom .nav-link:hover,
        .navbar-custom .nav-link.active {
            color: var(--accent-gold) !important;
            background: rgba(255, 215, 0, 0.08);
        }
        
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }
        
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }
        
        .btn-signup {
            background: var(--accent-gold);
            border: none;
            color: #0A2E1C;
            padding: 8px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
        }
        
        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
        }
        
        .navbar-toggler {
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 215, 0, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        .hero-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 40%, #0B3C25 100%);
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 2px solid rgba(255, 215, 0, 0.4);
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-download-card {
            background: rgba(15, 57, 37, 0.9);
            backdrop-filter: blur(15px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        
        .hero-download-card h1 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2.6rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        
        .hero-download-card .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 24px;
            line-height: 1.7;
            opacity: 0.95;
        }
        
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        
        .btn-hero-primary {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
            border: none;
            box-shadow: var(--shadow-gold);
        }
        
        .btn-hero-primary:hover {
            background: var(--btn-hover-gold);
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
        }
        
        .btn-hero-outline {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
        }
        
        .btn-hero-outline:hover {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }
        
        .hero-bonus-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--accent-red);
            color: white;
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.5);
            animation: pulse-badge 2s infinite;
        }
        
        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }
        
        .stats-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        
        .stat-item {
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            min-width: 120px;
            text-align: center;
        }
        
        .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }
        
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-top: 6px;
        }
        
        .section-block {
            padding: 64px 0;
            position: relative;
        }
        
        .section-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
            position: relative;
            padding-bottom: 16px;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        
        .section-desc {
            font-size: 1rem;
            color: var(--text-mint);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 700px;
        }
        
        .step-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
        }
        
        .step-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        
        .step-number {
            width: 48px;
            height: 48px;
            background: var(--accent-gold);
            color: #0A2E1C;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        
        .step-card h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        
        .step-card p {
            color: var(--text-mint);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        
        .info-card-horizontal {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
        }
        
        .info-card-horizontal:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
        }
        
        .info-icon-circle {
            width: 64px;
            height: 64px;
            min-width: 64px;
            background: rgba(255, 215, 0, 0.15);
            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);
        }
        
        .info-card-horizontal h3 {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        
        .info-card-horizontal p {
            color: var(--text-mint);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }
        
        .faq-item {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--accent-gold);
        }
        
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--accent-gold);
            margin-bottom: 8px;
        }
        
        .faq-answer {
            color: var(--text-mint);
            line-height: 1.7;
            font-size: 0.95rem;
        }
        
        .cta-section {
            background: linear-gradient(135deg, var(--secondary-bg), #0B3C25);
            border-top: 2px solid var(--accent-gold);
            border-bottom: 2px solid var(--accent-gold);
            padding: 60px 0;
            text-align: center;
        }
        
        .cta-section h2 {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }
        
        .cta-section p {
            color: var(--text-mint);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        
        .btn-cta-large {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.15rem;
            border: none;
            box-shadow: var(--shadow-gold);
            display: inline-block;
        }
        
        .btn-cta-large:hover {
            background: var(--btn-hover-gold);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }
        
        .footer-section {
            background: #051A10;
            color: var(--text-mint);
            padding: 40px 0 20px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
        }
        
        .footer-section h5 {
            font-family: var(--font-heading);
            color: var(--accent-gold);
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 16px;
        }
        
        .footer-section a {
            color: var(--text-mint);
            display: block;
            padding: 4px 0;
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        
        .footer-section a:hover {
            color: var(--accent-gold);
        }
        
        .text-mint {
            color: var(--text-mint) !important;
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            margin-top: 24px;
            padding-top: 16px;
            font-size: 0.85rem;
            color: var(--text-mint);
            opacity: 0.7;
        }
        
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            background: rgba(10, 46, 28, 0.9);
            backdrop-filter: blur(10px);
            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);
            transition: all 0.3s ease;
            animation: float-fab 3s ease-in-out infinite;
            text-decoration: none;
        }
        
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            color: var(--accent-gold);
        }
        
        @keyframes float-fab {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        
        @media (max-width: 991px) {
            .hero-download-card h1 {
                font-size: 2rem;
            }
            .hero-download-card {
                padding: 28px;
            }
            .section-block {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .hero-bonus-badge {
                position: static;
                display: inline-block;
                margin-bottom: 16px;
            }
        }
        
        @media (max-width: 767px) {
            .hero-download-card h1 {
                font-size: 1.7rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                text-align: center;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-item {
                flex: 1 1 auto;
                min-width: 0;
                padding: 12px 16px;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .info-card-horizontal {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .fab-left {
                left: 12px;
                bottom: 60px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }
        
        @media (max-width: 520px) {
            .hero-download-card h1 {
                font-size: 1.45rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-download-card {
                padding: 20px;
            }
            .step-card {
                padding: 20px;
            }
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }