/* roulang page: index */
:root {
            --brand-dark: #0B3C25;
            --brand-deeper: #062315;
            --brand-gold: #FFCC00;
            --brand-lime: #32CD32;
            --brand-cream: #FFFDF0;
            --brand-mint: #C5E2D2;
            --text-soft: #D9E8DE;
            --border-soft: rgba(255,255,255,0.12);
            --radius-lg: 1.5rem;
            --radius-md: 1rem;
            --radius-sm: 0.75rem;
            --transition-base: all 0.25s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Arial, sans-serif;
            background: var(--brand-deeper);
            color: var(--brand-cream);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input, textarea {
            font-family: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .section-pad {
            padding: 4.5rem 0;
        }
        .text-gradient-gold {
            background: linear-gradient(135deg, #FFCC00 0%, #FFE55C 50%, #FFCC00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #FFCC00, #FFB300);
            color: #062315;
            font-weight: 800;
            padding: 0.9rem 1.8rem;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 8px 24px rgba(255,204,0,0.3);
            letter-spacing: 0.02em;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255,204,0,0.45);
            filter: brightness(1.05);
        }
        .btn-primary:focus-visible {
            outline: 3px solid var(--brand-lime);
            outline-offset: 3px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--brand-cream);
            font-weight: 700;
            padding: 0.85rem 1.7rem;
            border-radius: 999px;
            border: 2px solid rgba(255,255,255,0.35);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .btn-outline:hover {
            border-color: var(--brand-gold);
            color: var(--brand-gold);
            background: rgba(255,204,0,0.06);
        }
        .btn-outline:focus-visible {
            outline: 3px solid var(--brand-gold);
            outline-offset: 3px;
        }
        .chip {
            display: inline-block;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            background: rgba(50,205,50,0.15);
            color: var(--brand-lime);
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.03em;
            border: 1px solid rgba(50,205,50,0.3);
        }
        .card-hover {
            transition: var(--transition-base);
            border: 1px solid var(--border-soft);
            background: rgba(255,255,255,0.03);
            backdrop-filter: blur(6px);
        }
        .card-hover:hover {
            transform: translateY(-6px);
            border-color: rgba(255,204,0,0.5);
            box-shadow: 0 18px 40px rgba(0,0,0,0.4);
        }
        .divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255,204,0,0.5), transparent);
            margin: 0;
            border: none;
        }
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 999px;
            background: rgba(6,35,21,0.85);
            backdrop-filter: blur(12px);
            border: 2px solid rgba(255,204,0,0.7);
            box-shadow: 0 4px 20px rgba(255,204,0,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
            opacity: 0.7;
            color: #FFCC00;
            font-size: 1.4rem;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255,204,0,0.55);
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-left .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF3B3B;
            border: 2px solid #062315;
            animation: blink 1.4s infinite;
        }
        @keyframes blink {
            0%,100% { opacity: 1; }
            50% { opacity: 0.25; }
        }
        .screenshot-track {
            display: flex;
            gap: 1.25rem;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 1rem 0.25rem 1.5rem;
            -webkit-overflow-scrolling: touch;
        }
        .screenshot-track::-webkit-scrollbar {
            height: 6px;
        }
        .screenshot-track::-webkit-scrollbar-thumb {
            background: rgba(255,204,0,0.5);
            border-radius: 999px;
        }
        .screenshot-track::-webkit-scrollbar-track {
            background: rgba(255,255,255,0.06);
        }
        .screenshot-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            background: rgba(255,255,255,0.03);
            transition: var(--transition-base);
        }
        .screenshot-card:hover {
            border-color: rgba(255,204,0,0.5);
        }
        .screenshot-card img {
            height: 190px;
            width: 100%;
            object-fit: cover;
        }
        .vertical-card {
            flex: 0 0 180px;
            scroll-snap-align: start;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-soft);
            transition: var(--transition-base);
            text-align: left;
        }
        .vertical-card:hover {
            transform: translateY(-5px);
            border-color: rgba(50,205,50,0.6);
        }
        .vertical-card img {
            height: 210px;
            width: 100%;
            object-fit: cover;
        }
        .vertical-card .vc-body {
            padding: 1rem;
        }
        .faq-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.03);
            padding: 1.4rem 1.6rem;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: rgba(255,204,0,0.4);
            background: rgba(255,204,0,0.04);
        }
        .faq-item summary {
            cursor: pointer;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--brand-cream);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        .faq-item summary i {
            color: var(--brand-gold);
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary i {
            transform: rotate(180deg);
        }
        .faq-item p {
            margin-top: 0.85rem;
            color: var(--text-soft);
        }
        @media (max-width: 1024px) {
            .section-pad {
                padding: 3.5rem 0;
            }
        }
        @media (max-width: 768px) {
            .section-pad {
                padding: 2.75rem 0;
            }
            .container {
                padding: 0 1rem;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .fab-left {
                width: 48px;
                height: 48px;
                left: 0.75rem;
                bottom: 5rem;
                font-size: 1.2rem;
            }
        }

/* roulang page: article */
@import url('/assets/css/vendor/9723b7396f-css2.css');
        
        :root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --accent-gold: #FFD700;
            --accent-sun: #FFCC00;
            --accent-lime: #32CD32;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-cream: #FFFDF0;
            --text-mint: #C5E2D2;
            --text-muted: rgba(197, 226, 210, 0.7);
            --border-soft: rgba(255, 215, 0, 0.2);
            --border-gold: rgba(255, 215, 0, 0.45);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 28px;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.25);
            --shadow-md: 0 12px 28px rgba(0,0,0,0.35);
            --shadow-lg: 0 24px 48px rgba(0,0,0,0.5);
            --shadow-gold: 0 0 25px rgba(255,215,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        body {
            font-family: 'Be Vietnam Pro', 'Inter', system-ui, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-cream);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        
        button {
            cursor: pointer;
            font-family: inherit;
            transition: var(--transition);
        }
        
        .text-gradient-gold {
            background: linear-gradient(135deg, #FFD700 0%, #FFCC00 30%, #FFF8DC 50%, #FFD700 70%, #FFAA00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            transition: var(--transition);
        }
        
        .site-header.scrolled {
            background: rgba(6, 35, 21, 0.98);
            box-shadow: 0 4px 24px rgba(0,0,0,0.35);
        }
        
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: -0.02em;
        }
        
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #062315;
            font-size: 1.1rem;
            box-shadow: 0 0 20px rgba(255,215,0,0.35);
            flex-shrink: 0;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            font-weight: 600;
            font-size: 0.875rem;
        }
        
        .nav-links a {
            position: relative;
            padding: 6px 0;
            color: var(--text-mint);
        }
        
        .nav-links a:hover {
            color: var(--accent-gold);
        }
        
        .nav-links a.active {
            color: var(--accent-gold);
        }
        
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #FFD700, #FFCC00);
            border-radius: 2px;
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .btn-nav-login {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.875rem;
            padding: 8px 4px;
            white-space: nowrap;
        }
        
        .btn-nav-login:hover {
            color: var(--accent-gold);
        }
        
        .btn-nav-signup {
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            color: #062315;
            font-weight: 700;
            font-size: 0.875rem;
            padding: 10px 22px;
            border-radius: 30px;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(255,215,0,0.3);
        }
        
        .btn-nav-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,215,0,0.45);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-cream);
            font-size: 1.4rem;
            padding: 8px;
        }
        
        /* Mobile menu */
        .mobile-menu {
            display: none;
            background: rgba(6, 35, 21, 0.98);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding: 16px 20px 20px;
        }
        
        .mobile-menu.open {
            display: block;
        }
        
        .mobile-menu a {
            display: block;
            padding: 12px 0;
            color: var(--text-mint);
            font-weight: 600;
            border-bottom: 1px solid rgba(255,215,0,0.08);
        }
        
        .mobile-menu a:last-child {
            border-bottom: none;
        }
        
        .mobile-menu a.active {
            color: var(--accent-gold);
        }
        
        /* Hero */
        .hero {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(160deg, #0B3C25 0%, #062315 50%, #041A10 100%);
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 60%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(255,215,0,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,215,0,0.12);
            border: 1px solid rgba(255,215,0,0.3);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 8px 16px;
            border-radius: 30px;
            margin-bottom: 22px;
            letter-spacing: 0.02em;
        }
        
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 22px;
            color: var(--text-cream);
        }
        
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 560px;
        }
        
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            color: #062315;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 30px;
            border-radius: 30px;
            box-shadow: 0 6px 20px rgba(255,215,0,0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: none;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255,215,0,0.5);
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--text-cream);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 26px;
            border-radius: 30px;
            border: 1.5px solid rgba(255,215,0,0.4);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-secondary:hover {
            border-color: var(--accent-gold);
            background: rgba(255,215,0,0.08);
            transform: translateY(-3px);
        }
        
        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }
        
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        
        .hero-stat .stat-number {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent-gold);
        }
        
        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        
        /* Main Content Area */
        .main-content {
            padding: 56px 0 70px;
            background: linear-gradient(180deg, #062315 0%, #0B3C25 100%);
        }
        
        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
        }
        
        .article-header {
            margin-bottom: 30px;
        }
        
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255,215,0,0.1);
            border: 1px solid rgba(255,215,0,0.25);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.78rem;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        
        .article-header h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-cream);
            margin-bottom: 16px;
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding-bottom: 20px;
            border-bottom: 1px solid rgba(255,215,0,0.1);
        }
        
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        
        .article-meta i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }
        
        .article-featured-image {
            margin: 28px 0 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255,215,0,0.15);
        }
        
        .article-featured-image img {
            width: 100%;
            aspect-ratio: 21/10;
            object-fit: cover;
        }
        
        .article-body {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-mint);
            max-width: 800px;
        }
        
        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-cream);
            margin: 36px 0 16px;
            letter-spacing: -0.01em;
        }
        
        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 28px 0 12px;
        }
        
        .article-body p {
            margin-bottom: 18px;
        }
        
        .article-body ul, .article-body ol {
            margin: 16px 0 22px;
            padding-left: 26px;
        }
        
        .article-body li {
            margin-bottom: 10px;
            position: relative;
        }
        
        .article-body ul li::marker {
            color: var(--accent-gold);
        }
        
        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255,215,0,0.06);
            padding: 18px 22px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-cream);
        }
        
        .article-body strong {
            color: var(--accent-gold);
            font-weight: 700;
        }
        
        /* Article Not Found */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255,215,0,0.15);
        }
        
        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
            opacity: 0.7;
        }
        
        .article-not-found h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        
        /* CTA Section */
        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, #0B3C25 0%, #062315 50%, #041A10 100%);
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80%;
            height: 120%;
            background: radial-gradient(ellipse at center, rgba(255,215,0,0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .cta-box {
            background: linear-gradient(135deg, rgba(255,215,0,0.1), rgba(255,215,0,0.03));
            border: 1px solid rgba(255,215,0,0.25);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-cream);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        
        .cta-box p {
            font-size: 1.05rem;
            color: var(--text-mint);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        
        .cta-box .btn-primary {
            font-size: 1rem;
            padding: 16px 36px;
        }
        
        /* Footer */
        .site-footer {
            background: #062315;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 56px 0 32px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        
        .footer-brand .footer-logo i {
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        
        .footer-col h4 {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
        }
        
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .footer-col ul a:hover {
            color: var(--accent-gold);
        }
        
        .footer-col ul li {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .footer-col ul li i {
            color: var(--accent-lime);
            font-size: 0.75rem;
        }
        
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        
        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
            font-size: 0.8rem;
        }
        
        .footer-bottom .footer-links a {
            color: var(--text-muted);
        }
        
        .footer-bottom .footer-links a:hover {
            color: var(--accent-gold);
        }
        
        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A, #0D0D0D);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            cursor: pointer;
            opacity: 0.7;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            animation: fab-breathe 3s ease-in-out infinite;
            transition: var(--transition);
        }
        
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255,215,0,0.5);
        }
        
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #062315;
            animation: fab-blink 1.5s ease-in-out infinite;
        }
        
        @keyframes fab-breathe {
            0%, 100% { opacity: 0.65; }
            50% { opacity: 0.85; }
        }
        
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        
        /* Bottom Sticky CTA */
        .sticky-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 80;
            background: rgba(6, 35, 21, 0.96);
            backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255,215,0,0.2);
            padding: 14px 20px;
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        
        .sticky-bottom-cta.visible {
            display: flex;
        }
        
        .sticky-bottom-cta p {
            font-size: 0.85rem;
            color: var(--text-mint);
            font-weight: 600;
        }
        
        .sticky-bottom-cta .btn-sticky {
            background: linear-gradient(135deg, #FFD700, #FFAA00);
            color: #062315;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 10px 22px;
            border-radius: 25px;
            white-space: nowrap;
            border: none;
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.6rem;
            }
            
            .article-header h1 {
                font-size: 2.2rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-inner {
                height: 60px;
            }
            
            .nav-links {
                display: none;
            }
            
            .nav-actions .btn-nav-login {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero {
                padding: 110px 0 56px;
            }
            
            .hero h1 {
                font-size: 2.1rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .hero-stats {
                gap: 22px;
            }
            
            .article-header h1 {
                font-size: 1.8rem;
            }
            
            .article-body {
                font-size: 0.98rem;
            }
            
            .article-body h2 {
                font-size: 1.4rem;
            }
            
            .cta-box {
                padding: 34px 22px;
            }
            
            .cta-box h2 {
                font-size: 1.5rem;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .sticky-bottom-cta {
                display: flex;
            }
            
            .fab-left {
                bottom: 80px;
            }
        }
        
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            
            .hero-stats {
                gap: 18px;
            }
            
            .hero-stat .stat-number {
                font-size: 1.3rem;
            }
            
            .article-header h1 {
                font-size: 1.5rem;
            }
            
            .article-meta {
                gap: 12px;
                font-size: 0.78rem;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            
            .footer-bottom .footer-links {
                justify-content: center;
                flex-wrap: wrap;
            }
        }

/* roulang page: category1 */
:root {
            --brand-deep: #0A2E1C;
            --brand-forest: #123E25;
            --brand-gold: #FFD700;
            --brand-red: #D32F2F;
            --brand-cream: #FFFFFF;
            --brand-mint: #D1F2EB;
            --brand-lime: #32CD32;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 4px 12px rgba(0,0,0,0.15);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.2);
            --shadow-lg: 0 16px 40px rgba(0,0,0,0.3);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background-color: var(--brand-deep);
            color: var(--brand-cream);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: 0 4px 20px rgba(0,0,0,0.4);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.15rem;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--brand-cream);
        }

        .logo-text .logo-icon {
            color: var(--brand-gold);
            font-size: 1.6rem;
        }

        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 32px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .nav-desktop a {
            position: relative;
            color: var(--brand-mint);
            padding: 6px 0;
            transition: var(--transition-base);
        }

        .nav-desktop a:hover {
            color: var(--brand-gold);
        }

        .nav-desktop a.active {
            color: var(--brand-gold);
        }

        .nav-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--brand-gold);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-login {
            background: transparent;
            color: var(--brand-cream);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            border: 1px solid transparent;
        }

        .btn-login:hover {
            color: var(--brand-gold);
            border-color: rgba(255, 215, 0, 0.3);
        }

        .btn-signup {
            background: var(--brand-gold);
            color: var(--brand-deep);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }

        .btn-signup:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--brand-cream);
            font-size: 1.5rem;
            padding: 8px;
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(10, 46, 28, 0.98);
            backdrop-filter: blur(20px);
            z-index: 999;
            padding: 32px 24px;
            flex-direction: column;
            gap: 20px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--brand-mint);
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .mobile-menu a.active {
            color: var(--brand-gold);
        }

        .mobile-menu .header-actions {
            flex-direction: column;
            width: 100%;
            gap: 12px;
            margin-top: 8px;
        }

        .mobile-menu .btn-login,
        .mobile-menu .btn-signup {
            width: 100%;
            text-align: center;
            padding: 14px;
        }

        /* Hero */
        .hero {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(135deg, #062315 0%, #0A2E1C 40%, #123E25 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255,215,0,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(50,205,50,0.06) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .text-gradient-gold {
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FFD700 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 1.1rem;
            color: var(--brand-mint);
            opacity: 0.85;
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

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

        .badge-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,215,0,0.12);
            border: 1px solid rgba(255,215,0,0.3);
            color: var(--brand-gold);
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
        }

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

        .btn-primary {
            background: var(--brand-gold);
            color: var(--brand-deep);
            font-weight: 700;
            padding: 16px 32px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(255,215,0,0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            background: #FFE44D;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255,215,0,0.45);
        }

        .btn-secondary {
            background: transparent;
            color: var(--brand-cream);
            font-weight: 600;
            padding: 16px 32px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            border: 1px solid rgba(255,255,255,0.3);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

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

        .hero-visual {
            position: relative;
        }

        .hero-visual .main-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255,215,0,0.25);
        }

        .hero-visual .main-image img {
            width: 100%;
            height: 480px;
            object-fit: cover;
        }

        .floating-stat {
            position: absolute;
            background: rgba(6,35,21,0.92);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255,215,0,0.35);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-md);
        }

        .floating-stat.top-right {
            top: -20px;
            right: -20px;
        }

        .floating-stat.bottom-left {
            bottom: -20px;
            left: -20px;
        }

        .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--brand-gold);
            line-height: 1;
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--brand-mint);
            opacity: 0.8;
        }

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

        .section-alt {
            background: rgba(6,35,21,0.5);
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--brand-mint);
            opacity: 0.8;
            max-width: 640px;
            line-height: 1.7;
        }

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

        .tip-card {
            background: rgba(18,62,37,0.7);
            border: 1px solid rgba(255,215,0,0.2);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .tip-card:hover {
            border-color: rgba(255,215,0,0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: rgba(18,62,37,0.9);
        }

        .tip-card .tip-icon {
            width: 52px;
            height: 52px;
            background: rgba(255,215,0,0.15);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--brand-gold);
            margin-bottom: 18px;
        }

        .tip-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--brand-cream);
        }

        .tip-card p {
            font-size: 0.95rem;
            color: var(--brand-mint);
            opacity: 0.8;
            line-height: 1.65;
        }

        .tip-card .tip-number {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 3rem;
            font-weight: 800;
            color: rgba(255,215,0,0.08);
            line-height: 1;
        }

        /* Steps */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-item {
            background: rgba(18,62,37,0.7);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-md);
            padding: 28px;
            text-align: left;
            position: relative;
            transition: var(--transition-base);
        }

        .step-item:hover {
            border-color: rgba(255,215,0,0.4);
            box-shadow: var(--shadow-sm);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--brand-gold);
            color: var(--brand-deep);
            font-weight: 800;
            border-radius: 50%;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--brand-cream);
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--brand-mint);
            opacity: 0.75;
            line-height: 1.6;
        }

        /* Image feature */
        .feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255,215,0,0.2);
        }

        .feature-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .feature-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .feature-content p {
            font-size: 1.05rem;
            color: var(--brand-mint);
            opacity: 0.8;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin-top: 20px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            color: var(--brand-mint);
            font-size: 0.95rem;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .feature-list li i {
            color: var(--brand-gold);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            text-align: left;
            background: transparent;
            color: var(--brand-cream);
            font-size: 1.05rem;
            font-weight: 600;
            padding: 8px 0;
            gap: 16px;
        }

        .faq-question i {
            color: var(--brand-gold);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            color: var(--brand-mint);
            opacity: 0.8;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-answer.open {
            max-height: 300px;
            padding-top: 12px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 50%, #0A2E1C 100%);
            border: 1px solid rgba(255,215,0,0.25);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,215,0,0.06) 0%, transparent 70%);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--brand-mint);
            opacity: 0.8;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
            position: relative;
        }

        .cta-section .btn-primary {
            position: relative;
        }

        /* Footer */
        .site-footer {
            background: #062315;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 60px 0 32px;
            margin-top: 80px;
        }

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

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--brand-mint);
            opacity: 0.7;
            line-height: 1.7;
            margin-top: 16px;
        }

        .footer-col h3 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--brand-gold);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 20px;
        }

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

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: var(--brand-mint);
            opacity: 0.75;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--brand-gold);
            opacity: 1;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--brand-mint);
            opacity: 0.6;
        }

        .footer-bottom .badge-18 {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211,47,47,0.2);
            border: 1px solid rgba(211,47,47,0.4);
            color: #FF6B6B;
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            background: rgba(6,35,21,0.95);
            backdrop-filter: blur(12px);
            border: 2px solid rgba(255,215,0,0.7);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            cursor: pointer;
            transition: var(--transition-base);
            opacity: 0.7;
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255,215,0,0.5);
            animation-play-state: paused;
        }

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

        .fab .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: var(--brand-red);
            border-radius: 50%;
            border: 2px solid var(--brand-deep);
            animation: blink 1.5s ease-in-out infinite;
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-content h1 {
                font-size: 2.4rem;
            }

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

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

            .feature-split {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }

            .header-actions {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .hero {
                padding: 110px 0 60px;
            }

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

            .section {
                padding: 60px 0;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }

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

            .steps-flow {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 32px 20px;
            }

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

            .hero-visual .main-image img {
                height: 320px;
            }

            .floating-stat.top-right {
                top: -10px;
                right: -10px;
            }

            .floating-stat.bottom-left {
                bottom: -10px;
                left: -10px;
            }

            .stat-number {
                font-size: 1.4rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }

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

            .hero-content h1 {
                font-size: 1.7rem;
            }

            .hero-cta-group {
                flex-direction: column;
            }

            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .hero-badges {
                gap: 8px;
            }

            .badge-item {
                font-size: 0.75rem;
                padding: 6px 12px;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .feature-content h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --accent-gold: #FFD700;
            --accent-lime: #32CD32;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #C5E2D2;
            --text-cream: #FFFDF0;
            --border-gold: rgba(255, 215, 0, 0.4);
            --border-mint: rgba(197, 226, 210, 0.2);
            --shadow-gold: 0 10px 30px rgba(255, 215, 0, 0.15);
            --shadow-soft: 0 8px 25px rgba(0, 0, , 0, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Be Vietnam Pro', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .text-gradient-gold {
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 50%, #FFD700 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #062315;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.3);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 215, 0, 0.45);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            padding: 11px 26px;
            border-radius: 50px;
            border: 2px solid rgba(255, 215, 0, 0.6);
            cursor: pointer;
            transition: all var(--transition);
        }

        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: #FFD700;
            color: #FFD700;
        }

        .badge-gold {
            display: inline-block;
            background: rgba(255, 215, 0, 0.15);
            color: #FFD700;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255, 215, 0, 0.35);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .badge-lime {
            display: inline-block;
            background: rgba(50, 205, 50, 0.15);
            color: #32CD32;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            border: 1px solid rgba(50, 205, 50, 0.35);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .badge-red {
            display: inline-block;
            background: rgba(211, 47, 47, 0.2);
            color: #FF6B6B;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 16px;
            border: 1px solid rgba(211, 47, 47, 0.4);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .card-tip {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card-tip::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #FFD700, #32CD32);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .card-tip:hover {
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

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

        .faq-item {
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.4);
        }

        .faq-question {
            width: 100%;
            background: rgba(255, 255, 255, 0.04);
            border: none;
            color: var(--text-white);
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            text-align: left;
            transition: all var(--transition);
        }

        .faq-question:hover {
            background: rgba(255, 215, 0, 0.08);
        }

        .faq-question i {
            color: #FFD700;
            font-size: 14px;
            transition: transform var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            background: rgba(0, 0, 0, 0.2);
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--text-mint);
            font-size: 14px;
            line-height: 1.7;
        }

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

        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        .fab-float {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: #062315;
            border: 2px solid #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: all var(--transition);
            animation: breathe 2.5s ease-in-out infinite;
        }

        .fab-float i {
            color: #FFD700;
            font-size: 22px;
        }

        .fab-float:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        .fab-float::after {
            content: '';
            position: absolute;
            top: 4px;
            right: 4px;
            width: 10px;
            height: 10px;
            background: #D32F2F;
            border-radius: 50%;
            animation: blink 1.5s infinite;
        }

        @keyframes breathe {
            0%, 100% { transform: translateY(0); opacity: 0.7; }
            50% { transform: translateY(-6px); opacity: 1; }
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .btn-gold, .btn-outline {
                padding: 10px 20px;
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B3C25;
            --bg-deep: #062315;
            --bg-card: #0E4A2E;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-warm: #FFD700;
            --text-white: #FFFDF0;
            --text-light: #C5E2D2;
            --text-muted: rgba(197, 226, 210, 0.75);
            --border-gold: rgba(255, 204, 0, 0.25);
            --border-lime: rgba(50, 205, 50, 0.3);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-gold: 0 8px 32px rgba(255, 204, 0, 0.12);
            --shadow-deep: 0 12px 40px rgba(0, 0, 0, 0.35);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Segoe UI', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* Navigation */
        .navbar {
            background: rgba(6, 35, 21, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 204, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }
        
        .navbar.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        
        .text-gradient-gold {
            background: linear-gradient(135deg, #FFCC00 0%, #FFD700 40%, #FFAA00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .text-brand-gold {
            color: #FFCC00;
        }
        .text-brand-lime {
            color: #32CD32;
        }
        .text-brand-cream {
            color: #FFFDF0;
        }
        .text-brand-mint {
            color: #C5E2D2;
        }
        
        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, #062315 0%, #0B3C25 40%, #0E4A2E 70%, #0B3C25 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0 70px;
            min-height: 600px;
            display: flex;
            align-items: center;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255, 204, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(50, 205, 50, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 204, 0, 0.12);
            border: 1px solid rgba(255, 204, 0, 0.3);
            color: #FFCC00;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #FFCC00 0%, #FFAA00 100%);
            color: #062315;
            font-weight: 700;
            padding: 16px 36px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 0.3px;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(255, 204, 0, 0.3);
        }
        
        .btn-primary:focus-visible {
            outline: 3px solid #FFCC00;
            outline-offset: 3px;
        }
        
        .btn-secondary {
            background: rgba(255, 255, 255, 0.08);
            color: #FFFDF0;
            font-weight: 600;
            padding: 15px 32px;
            border-radius: 50px;
            border: 1px solid rgba(255, 204, 0, 0.3);
            cursor: pointer;
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-secondary:hover {
            background: rgba(255, 204, 0, 0.15);
            border-color: rgba(255, 204, 0, 0.5);
            transform: translateY(-2px);
        }
        
        .btn-secondary:focus-visible {
            outline: 3px solid #FFCC00;
            outline-offset: 3px;
        }
        
        /* Card styles */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #FFCC00, #32CD32);
            opacity: 0;
            transition: var(--transition);
        }
        
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
            border-color: rgba(255, 204, 0, 0.5);
        }
        
        .feature-card:hover::before {
            opacity: 1;
        }
        
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(255, 204, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: #FFCC00;
            font-size: 1.5rem;
        }
        
        /* Section styles */
        .section {
            padding: 80px 0;
            position: relative;
        }
        
        .section-alt {
            background: var(--bg-deep);
        }
        
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #FFFDF0;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 700px;
        }
        
        /* Badge */
        .badge-hot {
            background: linear-gradient(135deg, #FF4500, #FF0000);
            color: #FFF;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        
        .badge-green {
            background: rgba(50, 205, 50, 0.15);
            color: #32CD32;
            border: 1px solid rgba(50, 205, 50, 0.3);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        
        /* Data panel */
        .data-panel {
            background: rgba(14, 74, 46, 0.8);
            border: 1px solid rgba(255, 204, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(10px);
        }
        
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: #FFCC00;
            line-height: 1.1;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-top: 6px;
        }
        
        /* List styles */
        .check-list {
            list-style: none;
            padding: 0;
        }
        
        .check-list li {
            padding: 12px 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-light);
            font-weight: 500;
            line-height: 1.6;
        }
        
        .check-list li i {
            color: #32CD32;
            font-size: 1.2rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        
        /* FAQ */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 204, 0, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: rgba(255, 204, 0, 0.4);
        }
        
        .faq-question {
            padding: 20px 28px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 700;
            color: #FFFDF0;
            font-size: 1.05rem;
            user-select: none;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            color: #FFCC00;
        }
        
        .faq-question i {
            transition: var(--transition);
            color: #FFCC00;
        }
        
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 28px;
        }
        
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 24px;
        }
        
        .faq-answer p {
            color: var(--text-muted);
            line-height: 1.7;
            font-weight: 400;
        }
        
        /* CTA bottom bar */
        .cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(6, 35, 21, 0.95);
            backdrop-filter: blur(20px);
            border-top: 1px solid rgba(255, 204, 0, 0.3);
            padding: 14px 24px;
            z-index: 90;
            display: none;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        
        .cta-bar.show {
            display: flex;
        }
        
        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 80;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFCC00, #FFAA00);
            border: 3px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: floatY 3s ease-in-out infinite;
            position: relative;
        }
        
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        
        .fab-left i {
            color: #062315;
            font-size: 1.5rem;
            transition: transform 0.5s ease;
        }
        
        .fab-left:hover i {
            transform: rotate(360deg);
        }
        
        .fab-left .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #FF0000;
            border-radius: 50%;
            border: 2px solid #062315;
            animation: blink 1.5s infinite;
        }
        
        @keyframes floatY {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* Footer */
        .footer {
            background: #062315;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 60px 0 30px;
        }
        
        .footer-link {
            color: rgba(197, 226, 210, 0.8);
            transition: var(--transition);
            text-decoration: none;
        }
        
        .footer-link:hover {
            color: #FFCC00;
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.8rem;
            }
            .hero-section {
                min-height: 500px;
                padding: 60px 0;
            }
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .hero-section {
                min-height: auto;
                padding: 50px 0;
            }
            .stat-number {
                font-size: 2rem;
            }
            .data-panel {
                padding: 20px;
            }
            .cta-bar {
                padding: 10px 16px;
            }
            .cta-bar .btn-primary {
                padding: 12px 20px;
                font-size: 0.85rem;
            }
        }
        
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.3rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
            .btn-primary {
                padding: 14px 24px;
                font-size: 0.9rem;
            }
            .btn-secondary {
                padding: 12px 20px;
                font-size: 0.85rem;
            }
            .fab-left {
                width: 48px;
                height: 48px;
                bottom: 80px;
            }
            .fab-left i {
                font-size: 1.2rem;
            }
        }
        
        /* Mobile menu */
        .mobile-menu {
            display: none;
        }
        
        @media (max-width: 768px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: block !important;
            }
            .mobile-menu {
                display: block;
                position: fixed;
                top: 0;
                left: -100%;
                width: 280px;
                height: 100vh;
                background: #062315;
                z-index: 200;
                transition: left 0.3s ease;
                padding: 80px 24px 40px;
                border-right: 1px solid rgba(255, 204, 0, 0.2);
                overflow-y: auto;
            }
            .mobile-menu.open {
                left: 0;
            }
            .mobile-menu-overlay {
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0, 0, 0, 0.6);
                z-index: 150;
                display: none;
            }
            .mobile-menu-overlay.show {
                display: block;
            }
        }