/* roulang page: index */
:root {
            --primary: #D32F2F;
            --primary-dark: #8B0000;
            --primary-deep: #4A0007;
            --accent: #FFD700;
            --accent-amber: #FF9F00;
            --bg-dark: #0F0C20;
            --bg-deep: #120524;
            --surface: #1A1333;
            --surface-light: #251C44;
            --text: #FFFFFF;
            --text-muted: #A6ACAF;
            --text-gold: #FEF08A;
            --border: rgba(255, 215, 0, 0.25);
            --border-neon: #CCFF00;
            --border-cyan: #00F0FF;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.4);
            --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --font-primary: 'Be Vietnam Pro', 'Inter', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.15s ease;
            --transition-slow: all 0.5s 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: var(--font-primary);
            background: var(--bg-dark);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(ellipse at 20% 20%, rgba(18, 5, 36, 0.9) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(15, 12, 32, 0.95) 0%, transparent 60%),
                linear-gradient(135deg, #0F0C20 0%, #120524 50%, #0B1A30 100%);
            z-index: -2;
        }

        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(204, 255, 0, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(204, 255, 0, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            z-index: -1;
            pointer-events: none;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: var(--transition);
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 var(--space-md);
            position: relative;
            z-index: 1;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(15, 12, 32, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--space-md);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            font-weight: 900;
            font-size: 1.1rem;
            line-height: 1.2;
            color: var(--text);
            text-decoration: none;
            white-space: nowrap;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-amber) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary-dark);
            font-weight: 900;
            box-shadow: var(--shadow-gold);
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-text-main {
            font-size: 0.95rem;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .logo-text-sub {
            font-size: 0.65rem;
            font-weight: 500;
            color: var(--text-gold);
            letter-spacing: 0.02em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            list-style: none;
        }

        .nav-links a {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.9rem;
            padding: var(--space-xs) var(--space-sm);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            color: var(--text);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: var(--accent);
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .btn-login {
            color: var(--text);
            font-weight: 600;
            font-size: 0.85rem;
            padding: var(--space-xs) var(--space-sm);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .btn-login:hover {
            color: var(--accent);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-amber) 100%);
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 0.85rem;
            padding: var(--space-xs) var(--space-sm);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.5);
        }

        .btn-signup:active {
            transform: translateY(0) scale(0.97);
        }

        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text);
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 var(--space-xl);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0.6) 70%, rgba(0,0,0,0) 100%);
            -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0.6) 70%, rgba(0,0,0,0) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }

        .hero-text {
            max-width: 640px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: var(--accent);
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 50px;
            margin-bottom: var(--space-md);
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            font-size: 0.7rem;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: var(--space-md);
            color: var(--text);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-amber) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--accent);
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: var(--space-lg);
            max-width: 560px;
        }

        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-sm);
            margin-bottom: var(--space-lg);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-amber) 100%);
            color: var(--primary-dark);
            font-weight: 800;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-gold);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(255, 215, 0, 0.55);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.96);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-value {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card {
            background: rgba(26, 19, 51, 0.8);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            backdrop-filter: blur(10px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            position: relative;
            overflow: hidden;
        }

        .hero-visual-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            animation: rotate-glow 10s linear infinite;
        }

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

        .hero-visual-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: var(--space-md);
            color: var(--accent);
            position: relative;
            z-index: 1;
        }

        .hero-visual-card ul {
            list-style: none;
            position: relative;
            z-index: 1;
        }

        .hero-visual-card li {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            padding: var(--space-sm) 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .hero-visual-card li:last-child {
            border-bottom: none;
        }

        .hero-visual-card li i {
            color: var(--accent);
            font-size: 1rem;
            width: 24px;
            text-align: center;
        }

        /* Section Common */
        .section {
            padding: var(--space-2xl) 0;
            position: relative;
        }

        .section-header {
            margin-bottom: var(--space-xl);
            max-width: 720px;
        }

        .section-header.text-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: var(--space-sm);
        }

        .section-tag::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent);
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: var(--space-sm);
            color: var(--text);
        }

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

        /* Rewards Section */
        .rewards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }

        .reward-card {
            background: var(--surface);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: var(--space-lg);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .reward-card:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: var(--shadow-gold);
        }

        .reward-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto var(--space-md);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, rgba(255, 159, 0, 0.15) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent);
            border: 2px solid rgba(255, 215, 0, 0.4);
        }

        .reward-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--text);
        }

        .reward-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .reward-value {
            display: inline-block;
            margin-top: var(--space-sm);
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent);
            background: rgba(255, 215, 0, 0.1);
            padding: 4px 12px;
            border-radius: 50px;
        }

        /* Info Section - Table-like */
        .info-table {
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--surface);
        }

        .info-row {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-sm);
            padding: var(--space-md);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            align-items: center;
        }

        .info-row:last-child {
            border-bottom: none;
        }

        .info-row.header-row {
            background: rgba(255, 215, 0, 0.08);
            font-weight: 700;
            color: var(--accent);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .info-row:hover {
            background: rgba(255, 255, 255, 0.03);
        }

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

        .info-cell.title-cell {
            color: var(--text);
            font-weight: 600;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .status-badge.live {
            background: rgba(204, 255, 0, 0.15);
            color: var(--border-neon);
            border: 1px solid rgba(204, 255, 0, 0.3);
        }

        .status-badge.update {
            background: rgba(0, 240, 255, 0.15);
            color: var(--border-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        /* Hot Recommendations */
        .hot-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--space-md);
        }

        .hot-main {
            background: var(--surface);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            transition: var(--transition);
        }

        .hot-main:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .hot-main-img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .hot-main-content {
            padding: var(--space-lg);
        }

        .hot-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--primary);
            color: var(--text);
            font-size: 0.7rem;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 50px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: var(--space-sm);
        }

        .hot-main h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: var(--space-sm);
            color: var(--text);
        }

        .hot-main p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: var(--space-md);
            line-height: 1.6;
        }

        .btn-watch {
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-amber) 100%);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .btn-watch:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .hot-side {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .hot-side-card {
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--space-md);
            display: flex;
            gap: var(--space-sm);
            align-items: center;
            transition: var(--transition);
            cursor: pointer;
        }

        .hot-side-card:hover {
            border-color: rgba(255, 215, 0, 0.4);
            transform: translateX(4px);
        }

        .hot-side-card img {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .hot-side-card-content h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }

        .hot-side-card-content p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Highlights Wall */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--space-md);
        }

        .highlight-card {
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--space-lg);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .highlight-card:hover {
            border-color: rgba(255, 215, 0, 0.4);
            transform: translateY(-4px);
        }

        .highlight-card-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            margin-bottom: var(--space-md);
        }

        .highlight-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: var(--space-xs);
            color: var(--text);
        }

        .highlight-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: var(--space-sm);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            transition: var(--transition);
        }

        .btn-outline:hover {
            gap: 8px;
        }

        /* CMS News Section */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--space-lg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }

        .news-item {
            display: flex;
            gap: var(--space-md);
            padding: var(--space-md);
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            transition: var(--transition);
            align-items: center;
        }

        .news-item:hover {
            border-color: rgba(255, 215, 0, 0.3);
            transform: translateX(4px);
        }

        .news-item-icon {
            width: 40px;
            height: 40px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            flex-shrink: 0;
            font-size: 1rem;
        }

        .news-item-content {
            flex: 1;
            min-width: 0;
        }

        .news-item-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            transition: var(--transition);
        }

        .news-item:hover .news-item-content h4 {
            color: var(--accent);
        }

        .news-item-content p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 6px;
        }

        .news-meta {
            display: flex;
            gap: var(--space-sm);
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--space-md);
        }

        .news-sidebar-card {
            background: var(--surface);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-md);
            padding: var(--space-lg);
        }

        .news-sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: var(--space-md);
            color: var(--accent);
        }

        .news-sidebar-card ul {
            list-style: none;
        }

        .news-sidebar-card li {
            padding: var(--space-xs) 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }

        .news-sidebar-card li:last-child {
            border-bottom: none;
        }

        .news-sidebar-card li i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        /* FAQ Section */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-sm);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-md) var(--space-lg);
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            gap: var(--space-md);
            user-select: none;
        }

        .faq-question i {
            color: var(--accent);
            font-size: 0.8rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 var(--space-lg);
        }

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

        .faq-answer p {
            padding-bottom: var(--space-md);
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(211, 47, 47, 0.2) 0%, rgba(74, 0, 7, 0.3) 100%);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-xl);
            padding: var(--space-2xl) var(--space-xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: var(--space-md);
            color: var(--text);
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto var(--space-lg);
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        .cta-buttons {
            display: flex;
            gap: var(--space-sm);
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: rgba(15, 12, 32, 0.95);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: var(--space-xl) 0 var(--space-lg);
            margin-top: var(--space-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: var(--space-sm);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: var(--space-md);
        }

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

        .footer-col li {
            margin-bottom: var(--space-xs);
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: var(--space-md);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            gap: var(--space-sm);
            align-items: center;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--text-muted);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 4px 10px;
            border-radius: 50px;
        }

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

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            border: 2px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            animation: fab-float 3s ease-in-out infinite;
        }

        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            animation: none;
        }

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

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

        @keyframes fab-float {
            0%, 100% { transform: translateY(0); opacity: 0.7; }
            50% { transform: translateY(-8px); opacity: 1; }
        }

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

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

            .hero-title {
                font-size: 2.5rem;
            }

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

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--space-md);
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                gap: var(--space-xs);
            }

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

            .nav-links a {
                padding: var(--space-sm);
                width: 100%;
            }

            .mobile-toggle {
                display: flex;
            }

            .hero {
                padding: 100px 0 var(--space-lg);
                min-height: auto;
            }

            .hero-title {
                font-size: 2rem;
            }

            .hero-desc {
                font-size: 0.95rem;
            }

            .hero-stats {
                gap: var(--space-md);
            }

            .hero-stat-value {
                font-size: 1.4rem;
            }

            .section {
                padding: var(--space-xl) 0;
            }

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

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

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

            .info-row {
                grid-template-columns: 1fr;
                gap: var(--space-xs);
                padding: var(--space-sm) var(--space-md);
            }

            .info-row.header-row {
                display: none;
            }

            .info-cell {
                font-size: 0.8rem;
            }

            .cta-section {
                padding: var(--space-xl) var(--space-md);
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }

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

            .nav-actions .btn-login {
                display: none;
            }

            .nav-actions .btn-signup {
                display: inline-flex;
                padding: 8px 14px;
                font-size: 0.75rem;
            }

            .fab {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }

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

            .logo-text-main {
                font-size: 0.8rem;
            }

            .logo-text-sub {
                font-size: 0.55rem;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

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

            .hero-badge {
                font-size: 0.7rem;
            }

            .btn-primary,
            .btn-secondary {
                font-size: 0.85rem;
                padding: 12px 20px;
                width: 100%;
                justify-content: center;
            }

            .hero-ctas {
                flex-direction: column;
            }

            .hot-main-img {
                height: 180px;
            }

            .hot-main h3 {
                font-size: 1.2rem;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }

            .news-item-icon {
                width: 32px;
                height: 32px;
                font-size: 0.8rem;
            }

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

/* roulang page: article */
:root {
            --color-bg: #0F0C20;
            --color-bg-deep: #0B1A30;
            --color-surface: #151233;
            --color-surface-light: #1E1A42;
            --color-primary: #CCFF00;
            --color-accent: #00F0FF;
            --color-text: #FFFFFF;
            --color-text-muted: #A6ACAF;
            --color-border: rgba(0, 240, 255, 0.15);
            --color-neon-glow: rgba(0, 240, 255, 0.5);
            --color-lime-glow: rgba(204, 255, 0, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.4);
            --shadow-neon: 0 0 18px var(--color-neon-glow);
            --shadow-lime: 0 0 18px var(--color-lime-glow);
            --font-main: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 96px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-main);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background-image: 
                radial-gradient(circle at 15% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 85% 60%, rgba(204, 255, 0, 0.04) 0%, transparent 50%),
                radial-gradient(circle at 50% 90%, rgba(0, 240, 255, 0.03) 0%, transparent 50%);
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }

        a:hover {
            color: var(--color-primary);
            text-shadow: 0 0 12px var(--color-lime-glow);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(15, 12, 32, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--color-text);
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--color-text);
            text-shadow: none;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-primary));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #0F0C20;
            box-shadow: var(--shadow-neon);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .logo:hover .logo-icon {
            transform: rotate(8deg) scale(1.05);
            box-shadow: 0 0 28px var(--color-neon-glow);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text-main {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }

        .logo-text-sub {
            font-size: 0.72rem;
            color: var(--color-text-muted);
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            list-style: none;
        }

        .nav-links li a {
            display: inline-block;
            padding: 10px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-muted);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--color-text);
            background: rgba(0, 240, 255, 0.08);
            text-shadow: none;
        }

        .nav-links li a.active {
            color: #0F0C20;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            font-weight: 600;
            box-shadow: var(--shadow-neon);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text);
            background: transparent;
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: 0 0 14px var(--color-neon-glow);
        }

        .btn-signup {
            padding: 9px 20px;
            border-radius: 30px;
            font-size: 0.88rem;
            font-weight: 700;
            color: #0F0C20;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            box-shadow: var(--shadow-neon);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px var(--color-neon-glow);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 0 16px var(--color-neon-glow);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border: none;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-text);
            border-radius: 4px;
            transition: all 0.3s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== ARTICLE MAIN ===== */
        .article-main {
            flex: 1;
            padding-top: 120px;
            padding-bottom: var(--spacing-xl);
        }

        .article-container {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-lg);
            flex-wrap: wrap;
        }

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

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

        .article-breadcrumb .separator {
            color: var(--color-text-muted);
            opacity: 0.5;
        }

        .article-header {
            margin-bottom: var(--spacing-lg);
        }

        .article-category-badge {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.12);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            border: 1px solid rgba(0, 240, 255, 0.25);
            margin-bottom: var(--spacing-sm);
        }

        .article-title {
            font-size: 2.3rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid var(--color-border);
        }

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

        .article-meta i {
            color: var(--color-accent);
            font-size: 0.8rem;
        }

        .article-featured-image {
            margin: var(--spacing-lg) 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .article-featured-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 12, 32, 0.4));
            pointer-events: none;
        }

        .article-featured-image img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            transition: transform 0.6s ease;
        }

        .article-featured-image:hover img {
            transform: scale(1.02);
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.75;
            color: #E0E0E0;
            margin-top: var(--spacing-lg);
        }

        .article-content p {
            margin-bottom: var(--spacing-md);
        }

        .article-content h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            padding-left: 16px;
            border-left: 4px solid var(--color-primary);
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--color-text);
            margin: var(--spacing-md) 0 var(--spacing-sm);
            line-height: 1.35;
        }

        .article-content ul,
        .article-content ol {
            margin: var(--spacing-sm) 0 var(--spacing-md);
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: var(--spacing-xs);
        }

        .article-content blockquote {
            margin: var(--spacing-md) 0;
            padding: var(--spacing-md);
            background: var(--color-surface);
            border-left: 4px solid var(--color-accent);
            border-radius: var(--radius-sm);
            color: var(--color-text-muted);
            font-style: italic;
        }

        .article-content img {
            margin: var(--spacing-md) auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .article-content a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-content strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        .article-not-found {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }

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

        .article-not-found h2 {
            font-size: 1.8rem;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
        }

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

        .btn-back-home {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #0F0C20;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: var(--shadow-neon);
            transition: all 0.3s ease;
        }

        .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px var(--color-neon-glow);
            color: #0F0C20;
        }

        /* ===== CTA SECTION ===== */
        .article-cta {
            margin-top: var(--spacing-xl);
            padding: var(--spacing-lg);
            background: linear-gradient(135deg, var(--color-surface), var(--color-surface-light));
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .article-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .article-cta-text {
            flex: 1;
            min-width: 240px;
        }

        .article-cta-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-xs);
        }

        .article-cta-text p {
            color: var(--color-text-muted);
            font-size: 0.92rem;
        }

        .btn-cta-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #0F0C20;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--shadow-neon);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-cta-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 36px var(--color-neon-glow);
            color: #0F0C20;
        }

        .btn-cta-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 18px var(--color-neon-glow);
        }

        /* ===== FAB ===== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(15, 12, 32, 0.75);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.2rem;
            box-shadow: var(--shadow-neon);
            opacity: 0.6;
            transition: all 0.35s ease;
            animation: fab-breathe 3s ease-in-out infinite;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px var(--color-neon-glow);
            color: var(--color-primary);
            border-color: var(--color-primary);
            animation-play-state: paused;
        }

        .fab-support:active {
            transform: scale(0.95);
            border-color: #FF007F;
            box-shadow: 0 0 24px rgba(255, 0, 127, 0.5);
        }

        .fab-support .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid #0F0C20;
            animation: blink-neon 1.2s ease-in-out infinite;
        }

        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 0.9; }
        }

        @keyframes blink-neon {
            0%, 100% { opacity: 1; box-shadow: 0 0 6px #FF007F; }
            50% { opacity: 0.3; box-shadow: 0 0 18px #FF007F; }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--color-bg-deep);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .logo {
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            line-height: 1.65;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.03em;
        }

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

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

        .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 0.88rem;
            transition: all 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
            text-shadow: 0 0 10px var(--color-neon-glow);
        }

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

        .footer-bottom p {
            color: var(--color-text-muted);
            font-size: 0.82rem;
        }

        .footer-badges {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.78rem;
            font-weight: 500;
        }

        .footer-badge i {
            color: var(--color-accent);
            font-size: 0.75rem;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }

            .logo-text-main {
                font-size: 0.9rem;
            }

            .logo-text-sub {
                font-size: 0.62rem;
            }

            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 12, 32, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: var(--spacing-md);
                gap: var(--spacing-xs);
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
                transform: translateY(-120%);
                transition: transform 0.35s ease;
                z-index: 999;
            }

            .nav-links.open {
                transform: translateY(0);
            }

            .nav-links li a {
                display: block;
                padding: 12px 16px;
                font-size: 1rem;
                text-align: left;
                width: 100%;
            }

            .header-actions {
                gap: 6px;
            }

            .btn-login,
            .btn-signup {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .article-main {
                padding-top: 96px;
            }

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

            .article-content {
                font-size: 0.98rem;
            }

            .article-content h2 {
                font-size: 1.35rem;
            }

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

            .article-cta {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

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

            .footer-badges {
                justify-content: center;
            }

            .fab-support {
                left: 12px;
                bottom: 80px;
                width: 46px;
                height: 46px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .header-actions .btn-login {
                display: inline-block;
            }

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

            .header-actions .btn-login {
                padding: 6px 12px;
                font-size: 0.75rem;
            }

            .header-actions .btn-signup {
                padding: 6px 12px;
                font-size: 0.75rem;
            }

            .logo-text-main {
                font-size: 0.78rem;
            }

            .logo-text-sub {
                font-size: 0.55rem;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }

            .article-title {
                font-size: 1.45rem;
            }

            .article-breadcrumb {
                font-size: 0.75rem;
            }

            .btn-cta-primary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #FEFCF7;
            --bg-secondary: #F8F4EC;
            --bg-paper: #FFFFFF;
            --bg-note: #FFFDE7;
            --bg-note-pink: #FCE4EC;
            --bg-note-blue: #E3F2FD;
            --bg-note-green: #E8F5E9;
            --text-primary: #2D2A24;
            --text-secondary: #5C564A;
            --text-muted: #8C8575;
            --text-note: #6B5B3E;
            --accent-primary: #D4A24E;
            --accent-primary-dark: #B8893B;
            --accent-secondary: #7A5C3E;
            --accent-warm: #E8A87C;
            --border-light: #E8E2D5;
            --border-note: #D4C9B0;
            --border-dashed: #C5BAA0;
            --shadow-sm: 0 2px 8px rgba(45, 42, 36, 0.06);
            --shadow-md: 0 8px 24px rgba(45, 42, 36, 0.1);
            --shadow-lg: 0 16px 40px rgba(45, 42, 36, 0.15);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --font-main: 'Be Vietnam Pro', 'Inter', sans-serif;
            --font-body: 'Inter', 'Be Vietnam Pro', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

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

        a {
            text-decoration: none;
            color: var(--accent-primary-dark);
            transition: color var(--transition-fast);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-paper);
            border-bottom: 2px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
        }

        .navbar-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) 0;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            text-decoration: none;
            color: var(--text-primary);
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--bg-note);
            border: 2px solid var(--border-note);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-secondary);
            transition: transform var(--transition-base);
        }

        .logo:hover .logo-icon {
            transform: rotate(15deg);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .logo-text-main {
            font-family: var(--font-main);
            font-weight: 800;
            font-size: 1.05rem;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .logo-text-sub {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 50px;
            transition: all var(--transition-base);
            position: relative;
        }

        .nav-links li a:hover {
            color: var(--accent-primary-dark);
            background: var(--bg-secondary);
        }

        .nav-links li a.active {
            color: var(--accent-primary-dark);
            background: var(--bg-note);
            border: 1px solid var(--border-note);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-nav-login {
            padding: 0.45rem 1rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: none;
            border-radius: 50px;
            transition: all var(--transition-fast);
        }

        .btn-nav-login:hover {
            color: var(--accent-primary-dark);
            background: var(--bg-secondary);
        }

        .btn-nav-signup {
            padding: 0.45rem 1.2rem;
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            background: var(--accent-primary);
            border: 2px solid var(--accent-primary);
            border-radius: 50px;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-nav-signup:hover {
            background: var(--accent-primary-dark);
            border-color: var(--accent-primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .mobile-toggle {
            display: none;
            background: var(--bg-note);
            border: 1px solid var(--border-note);
            border-radius: var(--radius-sm);
            padding: 0.4rem 0.7rem;
            font-size: 1.1rem;
            color: var(--accent-secondary);
            cursor: pointer;
        }

        /* ===== Hero - Paper Note Style ===== */
        .hero-paper {
            background: var(--bg-primary);
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            position: relative;
            overflow: hidden;
        }

        .hero-paper::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(var(--border-light) 1px, transparent 1px),
                linear-gradient(90deg, var(--border-light) 1px, transparent 1px);
            background-size: 40px 40px;
            opacity: 0.3;
            pointer-events: none;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: start;
        }

        .hero-content {
            padding-right: var(--spacing-md);
        }

        .hero-tag {
            display: inline-block;
            background: var(--bg-note-pink);
            color: #8B5E3C;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 0.35rem 0.9rem;
            border-radius: 50px;
            margin-bottom: var(--spacing-sm);
            border: 1px dashed #D4A29C;
        }

        .hero-title {
            font-family: var(--font-main);
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            color: var(--accent-primary-dark);
            position: relative;
            display: inline-block;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            width: 100%;
            height: 6px;
            background: var(--accent-warm);
            opacity: 0.4;
            border-radius: 4px;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }

        .btn-primary-paper {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            background: var(--accent-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 4px 12px rgba(212, 162, 78, 0.3);
        }

        .btn-primary-paper:hover {
            background: var(--accent-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(184, 137, 59, 0.35);
            color: #fff;
        }

        .btn-outline-paper {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.8rem;
            background: transparent;
            color: var(--accent-secondary);
            border: 2px solid var(--border-note);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-base);
        }

        .btn-outline-paper:hover {
            background: var(--bg-note);
            border-color: var(--accent-primary);
            color: var(--accent-primary-dark);
        }

        .hero-visual {
            position: relative;
        }

        .hero-note-card {
            background: var(--bg-note);
            border: 2px solid var(--border-note);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-md);
            transform: rotate(1.5deg);
            position: relative;
        }

        .hero-note-card::before {
            content: '📱';
            position: absolute;
            top: -15px;
            right: -15px;
            font-size: 2rem;
            transform: rotate(15deg);
        }

        .hero-note-card h3 {
            font-family: var(--font-main);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-note);
            margin-bottom: var(--spacing-xs);
        }

        .hero-note-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xs);
            margin-top: var(--spacing-sm);
        }

        .hero-stat-item {
            background: var(--bg-paper);
            border-radius: var(--radius-sm);
            padding: 0.7rem;
            text-align: center;
            border: 1px solid var(--border-light);
        }

        .hero-stat-item strong {
            display: block;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-primary-dark);
        }

        .hero-stat-item span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ===== Section Styles ===== */
        .section-paper {
            padding: var(--spacing-xl) 0;
        }

        .section-bg-alt {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-primary-dark);
            background: var(--bg-note);
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            margin-bottom: var(--spacing-xs);
            border: 1px dashed var(--border-note);
        }

        .section-title {
            font-family: var(--font-main);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
        }

        /* ===== Feature Cards - Paper Note Style ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .feature-card {
            background: var(--bg-paper);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent-primary);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border-note);
        }

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

        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-note);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-secondary);
            margin-bottom: var(--spacing-sm);
            border: 1px solid var(--border-note);
        }

        .feature-card h3 {
            font-family: var(--font-main);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }

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

        /* ===== Steps - Timeline ===== */
        .steps-timeline {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            position: relative;
            padding-left: 2rem;
        }

        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: var(--border-dashed);
            border-left: 2px dashed var(--border-note);
        }

        .step-item {
            position: relative;
            padding-left: 1.5rem;
        }

        .step-number {
            position: absolute;
            left: -2rem;
            top: 0.2rem;
            width: 30px;
            height: 30px;
            background: var(--accent-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            z-index: 1;
        }

        .step-content {
            background: var(--bg-paper);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: var(--spacing-sm) var(--spacing-md);
            transition: all var(--transition-fast);
        }

        .step-content:hover {
            border-color: var(--border-note);
            box-shadow: var(--shadow-sm);
        }

        .step-content h4 {
            font-family: var(--font-main);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
        }

        .step-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ===== Comparison Table ===== */
        .comparison-wrapper {
            background: var(--bg-paper);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .comparison-table th {
            text-align: left;
            padding: 0.8rem 1rem;
            font-weight: 700;
            color: var(--text-primary);
            border-bottom: 2px solid var(--border-note);
            font-family: var(--font-main);
        }

        .comparison-table td {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            vertical-align: middle;
        }

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

        .comparison-table .highlight-col {
            background: var(--bg-note);
            border-left: 3px solid var(--accent-primary);
        }

        .badge-check {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.8rem;
            color: #2E7D32;
            font-weight: 600;
        }

        .badge-check i {
            color: #2E7D32;
        }

        .badge-warn {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.8rem;
            color: #B71C1C;
            font-weight: 600;
        }

        .badge-warn i {
            color: #B71C1C;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .faq-item {
            background: var(--bg-paper);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-note);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-sm) var(--spacing-md);
            background: transparent;
            border: none;
            cursor: pointer;
            font-family: var(--font-main);
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: all var(--transition-fast);
        }

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

        .faq-question .fa-chevron-down {
            transition: transform var(--transition-base);
            color: var(--text-muted);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 var(--spacing-md);
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: var(--spacing-sm);
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.65;
        }

        /* ===== CTA Section ===== */
        .cta-paper {
            background: var(--bg-note);
            border: 2px solid var(--border-note);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-paper::before {
            content: '🎯';
            position: absolute;
            top: 15px;
            left: 20px;
            font-size: 2.5rem;
            opacity: 0.3;
            transform: rotate(-15deg);
        }

        .cta-paper::after {
            content: '✅';
            position: absolute;
            bottom: 15px;
            right: 20px;
            font-size: 2.5rem;
            opacity: 0.3;
            transform: rotate(10deg);
        }

        .cta-paper h2 {
            font-family: var(--font-main);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-note);
            margin-bottom: var(--spacing-sm);
        }

        .cta-paper p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto var(--spacing-md);
        }

        .cta-actions {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--text-primary);
            color: #D5CFC0;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            border-top: 4px solid var(--accent-primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand .logo-text-main {
            color: #fff;
        }

        .footer-brand .logo-text-sub {
            color: #A9A090;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: #A9A090;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-family: var(--font-main);
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: var(--spacing-sm);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-primary);
            display: inline-block;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            color: #A9A090;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
        }

        .footer-bottom p {
            font-size: 0.8rem;
            color: #A9A090;
            margin: 0;
        }

        .footer-badges {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.75rem;
            color: #D5CFC0;
            background: rgba(255, 255, 255, 0.05);
            padding: 0.35rem 0.8rem;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* ===== FAB - Classic & Royal Style ===== */
        .fab-royal {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 1040;
            width: 56px;
            height: 56px;
            background: #1A1A1A;
            border: 3px solid #FFD700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            transition: all var(--transition-base);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: fabBreath 3s ease-in-out infinite;
            text-decoration: none;
            color: #FFD700;
            font-size: 1.3rem;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
            color: #FFD700;
        }

        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
        }

        .fab-royal .notification-dot {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #1A1A1A;
            animation: blink 1.5s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero-content {
                padding-right: 0;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar-custom {
                flex-wrap: nowrap;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-paper);
                flex-direction: column;
                padding: var(--spacing-sm);
                border-bottom: 2px solid var(--border-light);
                box-shadow: var(--shadow-md);
                gap: 0;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links li a {
                display: block;
                padding: 0.7rem 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-cta {
                margin-left: auto;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 0.3rem;
            }
            .steps-timeline {
                padding-left: 1.5rem;
            }
            .step-number {
                left: -1.5rem;
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .cta-paper h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn-primary-paper,
            .btn-outline-paper {
                padding: 0.7rem 1.2rem;
                font-size: 0.85rem;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
            }
            .comparison-wrapper {
                overflow-x: auto;
                padding: var(--spacing-xs);
            }
            .comparison-table {
                font-size: 0.8rem;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 0.5rem 0.6rem;
            }
            .cta-paper {
                padding: var(--spacing-md);
            }
            .logo-text-main {
                font-size: 0.85rem;
            }
            .logo-text-sub {
                font-size: 0.65rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --paper: #FBF8F2;
            --paper-warm: #F4EEE2;
            --ink: #2A2A2E;
            --ink-light: #5A5A63;
            --pencil: #6B6B76;
            --note-yellow: #FDF3C7;
            --note-pink: #FBE5E0;
            --note-blue: #E0ECF7;
            --note-green: #E3F0E5;
            --line: #E5DED2;
            --accent: #C56A3B;
            --accent-dark: #9E4F2A;
            --accent-soft: #EAD9C8;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 14px 34px rgba(0, 0, 0, 0.1);
            --radius: 16px;
            --radius-sm: 10px;
            --transition: 0.25s ease;
            --font: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            background: var(--paper);
            color: var(--ink);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M0 0 L100 0 M0 20 L100 20 M0 40 L100 40 M0 60 L100 60 M0 80 L100 80" stroke="%23E5DED2" stroke-width="0.5" opacity="0.4"/></svg>');
            background-attachment: fixed;
        }

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

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

        button, input {
            font-family: inherit;
        }

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

        /* HEADER / NAV */
        .site-header {
            background: rgba(251, 248, 242, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--line);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 24px;
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
            gap: 12px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--ink);
            letter-spacing: -0.3px;
            line-height: 1.2;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--accent-soft);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-dark);
            font-size: 1.4rem;
            border: 1px dashed var(--accent);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
        }

        .logo-text-main {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--ink);
        }

        .logo-text-sub {
            font-size: 0.75rem;
            color: var(--ink-light);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-links li a {
            padding: 8px 14px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--ink-light);
            border: 1px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--note-yellow);
            color: var(--accent-dark);
            border-color: #E9DDBD;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
        }

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

        .btn-nav {
            padding: 9px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            border: 1px solid var(--line);
            background: #fff;
            color: var(--ink);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-nav.btn-solid {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-nav:hover {
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

        .btn-nav.btn-solid:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
        }

        /* HERO */
        .hero {
            padding: 64px 0 56px;
            background: linear-gradient(145deg, #FDF9F0 0%, #F7EFE0 100%);
            border-bottom: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(197, 106, 59, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            text-align: left;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--note-green);
            color: #2E5D3A;
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            border: 1px dashed #A8C7AE;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            color: var(--ink);
        }

        .hero h1 .highlight {
            color: var(--accent);
            position: relative;
            display: inline-block;
        }

        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 4px;
            background: var(--accent-soft);
            border-radius: 4px;
        }

        .hero-sub {
            font-size: 1.1rem;
            color: var(--ink-light);
            margin-bottom: 28px;
            max-width: 520px;
            line-height: 1.65;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-bottom: 24px;
        }

        .btn {
            padding: 14px 28px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-align: center;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 16px rgba(197, 106, 59, 0.25);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(197, 106, 59, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--accent);
            color: var(--accent-dark);
        }

        .btn-outline:hover {
            background: var(--accent-soft);
            border-color: var(--accent-dark);
            transform: translateY(-2px);
        }

        .hero-note {
            font-size: 0.85rem;
            color: var(--pencil);
            display: flex;
            align-items: center;
            gap: 8px;
            font-style: italic;
            background: var(--note-blue);
            padding: 10px 16px;
            border-radius: 12px;
            border-left: 4px solid #6E9BC5;
            max-width: fit-content;
        }

        .hero-visual {
            background: var(--paper-warm);
            border-radius: 28px;
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--line);
            position: relative;
            transform: rotate(0.5deg);
        }

        .hero-visual img {
            border-radius: 18px;
            margin-bottom: 18px;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
        }

        .visual-caption {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .visual-caption span {
            font-size: 0.85rem;
            color: var(--ink-light);
            font-weight: 500;
        }

        .sticky-note {
            background: var(--note-yellow);
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 0.85rem;
            color: #6B4E1E;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            transform: rotate(-1deg);
            border: 1px solid #E9DDBD;
        }

        /* MAIN SECTIONS */
        main {
            padding: 48px 0;
        }

        .section {
            margin-bottom: 56px;
        }

        .section-header {
            margin-bottom: 28px;
            text-align: left;
        }

        .section-label {
            display: inline-block;
            background: var(--note-pink);
            color: #A44A4A;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.4px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--ink);
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--ink-light);
            max-width: 680px;
            line-height: 1.65;
        }

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

        .strategy-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent);
            opacity: 0.7;
        }

        .strategy-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: #D8CFC0;
        }

        .strategy-icon {
            width: 48px;
            height: 48px;
            background: var(--note-blue);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-dark);
            font-size: 1.4rem;
            margin-bottom: 18px;
        }

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

        .strategy-card p {
            color: var(--ink-light);
            font-size: 0.95rem;
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .strategy-tag {
            display: inline-block;
            background: var(--note-yellow);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            color: #6B4E1E;
            border: 1px dashed #D5C28A;
        }

        /* ASYMMETRIC INSIGHT */
        .insight-block {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 36px;
            align-items: center;
            background: var(--paper-warm);
            border-radius: 28px;
            padding: 32px;
            border: 1px solid var(--line);
        }

        .insight-image {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
        }

        .insight-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        .insight-image .note-overlay {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(251, 248, 242, 0.9);
            padding: 8px 14px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.8rem;
            color: var(--accent-dark);
            backdrop-filter: blur(4px);
        }

        .insight-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--ink);
        }

        .insight-content p {
            color: var(--ink-light);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .check-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-weight: 500;
            color: var(--ink);
        }

        .check-list li i {
            color: #2E7D5A;
            font-size: 1.1rem;
            margin-top: 2px;
        }

        /* PROCESS STEPS */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 12px;
        }

        .step-item {
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 22px 18px;
            border: 1px solid var(--line);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
            transition: all var(--transition);
            position: relative;
        }

        .step-item:hover {
            border-color: var(--accent-soft);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .step-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            opacity: 0.25;
            line-height: 1;
            margin-bottom: 10px;
        }

        .step-item h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--ink);
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--ink-light);
            line-height: 1.55;
        }

        /* FAQ */
        .faq-wrapper {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--line);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: none;
            border: none;
            font-weight: 700;
            font-size: 1rem;
            color: var(--ink);
            text-align: left;
            gap: 16px;
        }

        .faq-question i {
            color: var(--accent);
            transition: transform var(--transition);
            font-size: 1.1rem;
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--ink-light);
            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);
        }

        .faq-item:hover {
            border-color: #D8CFC0;
        }

        /* CTA */
        .cta-section {
            background: var(--ink);
            border-radius: 32px;
            padding: 48px 40px;
            color: #fff;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 30px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(197, 106, 59, 0.25), transparent 70%);
            border-radius: 50%;
        }

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

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom:: 12px;
            line-height: 1.3;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            max-width: 500px;
            line-height: 1.65;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-light {
            background: #fff;
            color: var(--ink);
        }

        .btn-light:hover {
            background: var(--paper-warm);
            transform: translateY(-2px);
        }

        .cta-visual {
            background: rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            padding: 24px;
            text-align: center;
            position: relative;
            z-index: 2;
            border: 1px dashed rgba(255, 255, 255, 0.25);
        }

        .cta-visual .big-icon {
            font-size: 3rem;
            color: var(--accent-soft);
            margin-bottom: 12px;
        }

        .cta-visual p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        /* FOOTER */
        .site-footer {
            background: #1F1F23;
            color: #CFCFD4;
            padding: 48px 0 24px;
            margin-top: 48px;
            border-top: 1px solid #333;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .logo-text-main {
            color: #fff;
        }

        .footer-brand .logo-text-sub {
            color: #A9A9B3;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: #A9A9B3;
            line-height: 1.65;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            color: #A9A9B3;
            font-size: 0.9rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-soft);
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #888;
        }

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

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.06);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            color: #CFCFD4;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 24px;
            z-index: 50;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            border: 2px solid #E9DDBD;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(197, 106, 59, 0.3);
            transition: all var(--transition);
            animation: floatSlow 3s ease-in-out infinite;
        }

        .fab-support:hover {
            transform: scale(1.1);
            background: var(--accent-dark);
            animation-play-state: paused;
        }

        .fab-support .notification-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            background: #E63946;
            border-radius: 50%;
            border: 2px solid #fff;
            animation: blink 1.6s infinite;
        }

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

        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .strategy-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .insight-block {
                grid-template-columns: 1fr;
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-container {
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
            }
            .nav-links {
                justify-content: center;
                gap: 4px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-cta {
                justify-content: center;
            }
            .hero {
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .strategy-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .nav-links {
                flex-wrap: wrap;
                gap: 2px;
            }
            .nav-links li a {
                font-size: 0.75rem;
                padding: 5px 8px;
            }
            .btn-nav {
                padding: 7px 14px;
                font-size: 0.75rem;
            }
            .hero h1 {
                font-size: 1.7rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .fab-support {
                width: 48px;
                height: 48px;
                left: 10px;
                bottom: 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0F0C20;
            --secondary-bg: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --text-muted: #6B7280;
            --border-neon: rgba(0, 240, 255, 0.35);
            --border-lime: rgba(204, 255, 0, 0.4);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-lime: 0 0 15px rgba(204, 255, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --font-main: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-main);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        /* Container */
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        
        /* Header / Nav */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: var(--transition-med);
            padding: 12px 0;
        }
        
        .site-header .navbar {
            padding: 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-white);
            transition: var(--transition-fast);
        }
        
        .logo:hover {
            color: var(--accent-cyan);
            text-decoration: none;
        }
        
        .logo-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-bg);
            box-shadow: var(--shadow-neon);
            flex-shrink: 0;
            transition: var(--transition-fast);
        }
        
        .logo:hover .logo-icon {
            transform: scale(1.05);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
        }
        
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        
        .logo-text-main {
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: -0.01em;
            color: var(--text-white);
        }
        
        .logo-text-sub {
            font-size: 0.7rem;
            color: var(--accent-cyan);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .nav-links li a {
            display: block;
            padding: 8px 18px;
            border-radius: 50px;
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition-fast);
            position: relative;
        }
        
        .nav-links li a:hover {
            color: var(--text-white);
            background: rgba(0, 240, 255, 0.1);
        }
        
        .nav-links li a.active {
            color: var(--primary-bg);
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            font-weight: 600;
            box-shadow: var(--shadow-neon);
        }
        
        .nav-auth {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 20px;
        }
        
        .btn-login-text {
            color: var(--text-white);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 50px;
            transition: var(--transition-fast);
        }
        
        .btn-login-text:hover {
            color: var(--accent-cyan);
            text-decoration: none;
            background: rgba(0, 240, 255, 0.08);
        }
        
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--primary-bg);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 50px;
            transition: var(--transition-fast);
            box-shadow: var(--shadow-lime);
            border: none;
        }
        
        .btn-signup:hover {
            color: var(--primary-bg);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(204, 255, 0, 0.6);
        }
        
        .navbar-toggler {
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: var(--accent-cyan);
            background: transparent;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
        }
        
        .navbar-toggler:focus {
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2300F0FF' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* Hero Section */
        .hero-section {
            padding: 140px 0 80px;
            background: radial-gradient(ellipse at 50% -20%, rgba(0, 240, 255, 0.15) 0%, transparent 60%),
                        radial-gradient(ellipse at 80% 120%, rgba(204, 255, 0, 0.08) 0%, transparent 50%),
                        var(--primary-bg);
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid var(--border-neon);
            border-radius: 50px;
            color: var(--accent-cyan);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 24px;
        }
        
        .hero-badge i {
            font-size: 0.8rem;
        }
        
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 20px;
            color: var(--text-white);
        }
        
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-silver);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: 32px;
        }
        
        .hero-status-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            padding: 20px 24px;
            background: rgba(0, 240, 255, 0.06);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            margin-bottom: 32px;
        }
        
        .status-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-silver);
            font-size: 0.9rem;
        }
        
        .status-item i {
            color: var(--accent-cyan);
            font-size: 1rem;
        }
        
        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-lime);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }
        
        .hero-icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        
        .hero-icon-item {
            width: 56px;
            height: 56px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
            transition: var(--transition-fast);
        }
        
        .hero-icon-item:hover {
            background: rgba(0, 240, 255, 0.18);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }
        
        /* Section Headings */
        .section-heading {
            margin-bottom: 40px;
        }
        
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            margin-bottom: 12px;
        }
        
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        
        .section-description {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
            max-width: 680px;
        }
        
        /* Card Styles */
        .feature-card {
            background: rgba(11, 26, 48, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: 100%;
            transition: var(--transition-med);
            position: relative;
            overflow: hidden;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-lime), var(--accent-cyan));
            opacity: 0;
            transition: var(--transition-med);
        }
        
        .feature-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-5px);
        }
        
        .feature-card:hover::before {
            opacity: 1;
        }
        
        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-cyan);
            margin-bottom: 18px;
            transition: var(--transition-fast);
        }
        
        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--primary-bg);
            box-shadow: var(--shadow-neon);
        }
        
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 0;
        }
        
        /* Steps / Process */
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: step-counter;
        }
        
        .step-item {
            display: flex;
            gap: 20px;
            margin-bottom: 24px;
            position: relative;
            counter-increment: step-counter;
        }
        
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary-bg);
            box-shadow: var(--shadow-neon);
        }
        
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 6px;
        }
        
        .step-content p {
            font-size: 0.92rem;
            color: var(--text-silver);
            line-height: 1.6;
            margin-bottom: 0;
        }
        
        /* Payment Methods */
        .payment-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 50px;
            color: var(--text-white);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition-fast);
        }
        
        .payment-badge:hover {
            background: rgba(0, 240, 255, 0.18);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }
        
        .payment-badge i {
            color: var(--accent-cyan);
            font-size: 1.1rem;
        }
        
        /* Trust Items */
        .trust-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid rgba(0, 240, 255, 0.12);
        }
        
        .trust-item:last-child {
            border-bottom: none;
        }
        
        .trust-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: rgba(204, 255, 0, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-lime);
            font-size: 18px;
        }
        
        .trust-content h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
        }
        
        .trust-content p {
            font-size: 0.88rem;
            color: var(--text-silver);
            margin-bottom: 0;
        }
        
        /* FAQ */
        .accordion-item {
            background: rgba(11, 26, 48, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        
        .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
        }
        
        .accordion-button:not(.collapsed) {
            background: rgba(0, 240, 255, 0.08);
            color: var(--accent-cyan);
            box-shadow: none;
        }
        
        .accordion-button:focus {
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
            border: none;
        }
        
        .accordion-button::after {
            filter: invert(1) sepia(1) saturate(5) hue-rotate(150deg);
        }
        
        .accordion-body {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.7;
            padding: 0 20px 20px;
        }
        
        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 70%),
                        var(--primary-bg);
            position: relative;
        }
        
        .cta-box {
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.12), rgba(204, 255, 0, 0.08));
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, transparent 60%);
            animation: cta-glow 8s infinite;
        }
        
        @keyframes cta-glow {
            0%, 100% { transform: translate(0, 0); }
            50% { transform: translate(20%, 20%); }
        }
        
        .cta-box h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        
        .cta-box p {
            font-size: 1rem;
            color: var(--text-silver);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        
        .btn-primary-cta {
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            color: var(--primary-bg);
            text-decoration: none;
            font-size: 1rem;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            transition: var(--transition-fast);
            box-shadow: var(--shadow-lime);
            border: none;
        }
        
        .btn-primary-cta:hover {
            color: var(--primary-bg);
            text-decoration: none;
            transform: translateY(-3px);
            box-shadow: 0 0 30px rgba(204, 255, 0, 0.6);
        }
        
        .btn-secondary-cta {
            background: transparent;
            color: var(--accent-cyan);
            text-decoration: none;
            font-size: 1rem;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            transition: var(--transition-fast);
            border: 1px solid rgba(0, 240, 255, 0.4);
        }
        
        .btn-secondary-cta:hover {
            color: var(--text-white);
            text-decoration: none;
            background: rgba(0, 240, 255, 0.1);
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }
        
        /* Footer */
        .site-footer {
            background: #08061a;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 0;
        }
        
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
        }
        
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-col ul li {
            margin-bottom: 10px;
        }
        
        .footer-col ul li a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition-fast);
        }
        
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
            text-decoration: none;
            padding-left: 4px;
        }
        
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        
        .footer-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        
        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 50px;
            color: var(--accent-cyan);
            font-size: 0.8rem;
            font-weight: 500;
        }
        
        .footer-badge i {
            font-size: 0.8rem;
        }
        
        /* FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 22px;
            text-decoration: none;
            opacity: 0.65;
            transition: var(--transition-med);
            position: relative;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
        }
        
        .fab-floating::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-lime), var(--accent-cyan));
            z-index: -1;
            opacity: 0.7;
        }
        
        .fab-floating:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
            color: var(--accent-lime);
        }
        
        .fab-floating:active {
            transform: scale(0.95);
        }
        
        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--primary-bg);
            animation: pulse-dot 2s infinite;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            
            .nav-auth {
                margin-left: 0;
                margin-top: 10px;
            }
            
            .navbar-collapse {
                padding-top: 16px;
            }
            
            .nav-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            
            .nav-links li a {
                padding: 10px 16px;
                width: 100%;
            }
            
            .nav-auth {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding-top: 12px;
                border-top: 1px solid rgba(0, 240, 255, 0.15);
            }
            
            .btn-login-text,
            .btn-signup {
                width: 100%;
                text-align: center;
            }
        }
        
        @media (max-width: 768px) {
            .hero-section {
                padding: 120px 0 60px;
            }
            
            .hero-status-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            
            .cta-box {
                padding: 32px 24px;
            }
            
            .step-item {
                gap: 14px;
            }
            
            .step-number {
                width: 40px;
                height: 40px;
                font-size: 0.95rem;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            
            .logo-text-main {
                font-size: 0.9rem;
            }
            
            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
            
            .hero-icon-item {
                width: 46px;
                height: 46px;
                font-size: 18px;
            }
            
            .fab-floating {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                font-size: 18px;
            }
            
            .feature-card {
                padding: 20px;
            }
            
            .payment-badge {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
        }