/* roulang page: index */
:root {
            --primary: #031A12;
            --primary-deep: #021008;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A3D2A;
            --accent-amber: #F59E0B;
            --accent-amber-dark: #D97706;
            --accent-green: #10B981;
            --accent-green-dark: #059669;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-tertiary: #FEF3C7;
            --text-muted: #6EE7B7;
            --border-dark: rgba(245, 158, 11, 0.18);
            --border-green: rgba(16, 185, 129, 0.22);
            --border-soft: rgba(240, 253, 244, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.55);
            --glow-amber: 0 0 24px rgba(245, 158, 11, 0.3);
            --glow-green: 0 0 22px rgba(16, 185, 129, 0.25);
            --font-main: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --font-display: 'Space Grotesk', 'Be Vietnam Pro', sans-serif;
            --container: 1280px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
            --transition: all 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-main);
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(3, 26, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            box-shadow: var(--glow-amber);
            flex-shrink: 0;
        }

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

        .nav-logo .logo-text strong {
            font-size: 1.05rem;
            letter-spacing: -0.01em;
        }

        .nav-logo .logo-text span {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
            background: rgba(16, 185, 129, 0.1);
        }

        .nav-links a.active {
            color: var(--text-primary);
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid var(--border-dark);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 3px 3px 0 0;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            border-radius: 10px;
            border: 1px solid var(--border-dark);
            color: var(--accent-amber);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: var(--transition);
            background: transparent;
        }

        .btn-login:hover,
        .btn-login:focus-visible {
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
        }

        .btn-signup {
            padding: 10px 22px;
            border-radius: 10px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            color: #031A12;
            font-weight: 700;
            font-size: 0.88rem;
            white-space: nowrap;
            box-shadow: var(--glow-amber);
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

        .btn-signup:hover,
        .btn-signup:focus-visible {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(245, 158, 11, 0.5);
            background: linear-gradient(145deg, #FCD34D, #F59E0B);
        }

        .btn-signup:active {
            transform: translateY(0) scale(0.98);
        }

        .btn:focus-visible,
        .nav-links a:focus-visible,
        .btn-login:focus-visible,
        .btn-signup:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 102;
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Hero Section */
        .hero {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(180deg, var(--primary-deep) 0%, var(--bg-secondary) 40%, var(--primary) 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100%;
            background: url('/assets/images/75e03fcc3483ae63.jpg') center/cover no-repeat;
            opacity: 0.14;
            z-index: 0;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 75% 30%, rgba(16, 185, 129, 0.12) 0%, transparent 60%), radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.08) 0%, transparent 55%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--border-dark);
            border-radius: 50px;
            padding: 7px 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-amber);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .hero-badge .dot {
            width: 7px;
            height: 7px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
            50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.1); }
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 22px;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-amber), #FCD34D);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            -webkit-text-fill-color: transparent;
        }

        .hero-description {
            font-size: 1.08rem;
            line-height: 1.65;
            color: var(--text-secondary);
            margin-bottom: 30px;
            max-width: 620px;
        }

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

        .btn-primary {
            padding: 14px 32px;
            border-radius: 14px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            color: #031A12;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: var(--glow-amber);
            transition: var(--transition);
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            transform: translateY(-3px);
            box-shadow: 0 0 38px rgba(245, 158, 11, 0.55);
            background: linear-gradient(145deg, #FCD34D, #F59E0B);
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }

        .btn-secondary {
            padding: 14px 28px;
            border-radius: 14px;
            background: transparent;
            border: 1px solid var(--border-green);
            color: var(--accent-green);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background: rgba(16, 185, 129, 0.12);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

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

        .hero-stat strong {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-amber);
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-visual {
            position: relative;
        }

        .hero-card {
            background: rgba(6, 46, 32, 0.8);
            backdrop-filter: blur(18px);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
        }

        .hero-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-amber), transparent, var(--accent-green));
        }

        .hero-card img {
            border-radius: var(--radius-lg);
            margin-bottom: 20px;
            box-shadow: var(--shadow-sm);
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }

        .hero-card h3 {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .hero-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 16px;
        }

        .hero-card .card-tag {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 6px;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-amber);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        /* Section Common */
        .section {
            padding: 72px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-secondary);
        }

        .section-deep {
            background: var(--primary-deep);
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 780px;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-amber);
            margin-bottom: 14px;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-amber);
            display: inline-block;
        }

        .section-header.center .section-label::before {
            display: none;
        }
        .section-header.center .section-label::after {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-amber);
            display: inline-block;
            margin-left: 8px;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .section-desc {
            font-size: 1rem;
            line-height: 1.65;
            color: var(--text-secondary);
            max-width: 720px;
        }

        /* Tips Grid */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 24px;
        }

        .tip-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-amber), var(--accent-green));
            opacity: 0;
            transition: var(--transition);
        }

        .tip-card:hover,
        .tip-card:focus-within {
            border-color: var(--border-dark);
            box-shadow: var(--glow-amber);
            transform: translateY(-4px);
        }

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

        .tip-card .tip-number {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: rgba(245, 158, 11, 0.2);
            line-height: 1;
            margin-bottom: 14px;
        }

        .tip-card .tip-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid var(--border-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
        }

        .tip-card h3 {
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }

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

        /* Feature Cards */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .feature-item {
            background: rgba(6, 46, 32, 0.6);
            border-radius: var(--radius-md);
            padding: 22px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }

        .feature-item:hover {
            border-color: var(--border-green);
            background: rgba(16, 185, 129, 0.06);
        }

        .feature-item .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(245, 158, 11, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .feature-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .feature-item p {
            font-size: 0.84rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Scenario Cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .scenario-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }

        .scenario-card:hover {
            border-color: var(--border-dark);
            box-shadow: var(--glow-amber);
            transform: translateY(-3px);
        }

        .scenario-card img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            border-radius: 0;
        }

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

        .scenario-card h3 {
            font-family: var(--font-display);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 12px;
        }

        .scenario-card .scenario-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-amber);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .scenario-card .scenario-link:hover {
            color: #FCD34D;
        }

        /* Guide / Steps */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-left: 2px solid var(--border-dark);
            padding-left: 28px;
            margin-left: 10px;
        }

        .guide-item {
            position: relative;
            padding: 20px 0;
            border-bottom: 1px dashed var(--border-soft);
        }

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

        .guide-item::before {
            content: '';
            position: absolute;
            left: -36px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-amber);
            border: 3px solid var(--primary);
            box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
        }

        .guide-item .guide-num {
            font-family: var(--font-display);
            font-weight: 700;
            color: var(--accent-amber);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 6px;
        }

        .guide-item h4 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .guide-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }

        /* Timeline */
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .timeline-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 22px;
            border-left: 3px solid var(--accent-green);
            transition: var(--transition);
        }

        .timeline-card:hover {
            border-left-color: var(--accent-amber);
            background: var(--bg-tertiary);
        }

        .timeline-card .time {
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--accent-green);
            margin-bottom: 8px;
        }

        .timeline-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .timeline-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Stats */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            padding: 40px 0;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .stat-block {
            text-align: center;
            min-width: 150px;
        }

        .stat-block strong {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-amber);
            display: block;
            line-height: 1.2;
        }

        .stat-block span {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Trust Badge */
        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            justify-content: center;
            padding: 30px 0;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(6, 46, 32, 0.7);
            border: 1px solid var(--border-soft);
            border-radius: 30px;
            padding: 10px 18px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .trust-item:hover {
            border-color: var(--border-green);
            color: var(--text-primary);
        }

        .trust-item .trust-icon {
            font-size: 1.1rem;
        }

        /* CMS News Section */
        .news-section {
            background: var(--primary-deep);
            position: relative;
            overflow: hidden;
        }

        .news-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 0.45fr;
            gap: 40px;
            position: relative;
            z-index: 1;
            align-items: start;
        }

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

        .news-card-link {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
            display: block;
        }

        .news-card-link:hover {
            border-color: var(--border-dark);
            box-shadow: var(--glow-amber);
            transform: translateX(4px);
        }

        .news-card-link .news-cat {
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--accent-amber);
            margin-bottom: 6px;
        }

        .news-card-link h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-card-link p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 8px;
        }

        .news-card-link time {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .news-no-data {
            background: var(--bg-secondary);
            border-radius: var(--radius-md);
            padding: 32px;
            text-align: center;
            color: var(--text-muted);
            border: 1px dashed var(--border-soft);
            font-size: 0.9rem;
        }

        .news-sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-soft);
            margin-bottom: 20px;
        }

        .sidebar-card img {
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }

        .sidebar-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .sidebar-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 10px;
        }

        .sidebar-card .side-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-amber);
        }

        .sidebar-card .side-link:hover {
            color: #FCD34D;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

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

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

        .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.92rem;
            transition: var(--transition);
            width: 100%;
            text-align: left;
            background: none;
            border: none;
        }

        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--accent-amber);
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(180deg, var(--primary) 0%, var(--bg-secondary) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-card {
            background: var(--primary-deep);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            max-width: 850px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 1;
        }

        .cta-card h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Subscribe */
        .subscribe-section {
            padding: 60px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .subscribe-box {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            background: var(--primary-deep);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-soft);
        }

        .subscribe-box .sub-info {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-box .sub-info h3 {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .subscribe-box .sub-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            flex: 1;
            min-width: 280px;
            max-width: 420px;
        }

        .subscribe-form input {
            flex: 1;
            padding: 12px 18px;
            border-radius: 12px;
            border: 1px solid var(--border-soft);
            background: rgba(240, 253, 244, 0.05);
            color: var(--text-primary);
            font-size: 0.9rem;
            min-width: 0;
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }

        .subscribe-form input:focus {
            border-color: var(--accent-amber);
            box-shadow: 0 0 16px rgba(245, 158, 11, 0.2);
        }

        .subscribe-form .btn-subscribe {
            padding: 12px 22px;
            border-radius: 12px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            color: #031A12;
            font-weight: 700;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: var(--transition);
            box-shadow: var(--glow-amber);
        }

        .subscribe-form .btn-subscribe:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 28px rgba(245, 158, 11, 0.5);
        }

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            padding: 60px 0 24px;
            border-top: 1px solid var(--border-soft);
        }

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

        .footer-brand {
            max-width: 320px;
        }

        .footer-brand .logo-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 16px;
        }

        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .payment-badge {
            background: rgba(240, 253, 244, 0.06);
            border: 1px solid var(--border-soft);
            border-radius: 6px;
            padding: 5px 10px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        .footer-col h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.84rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .footer-bottom .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .legal-links a {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links a:hover {
            color: var(--accent-amber);
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #FCD34D, #D97706 70%, #8B4502);
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            cursor: pointer;
            opacity: 0.8;
            transition: var(--transition);
            animation: fab-float 2.8s ease-in-out infinite;
            -webkit-tap-highlight-color: transparent;
            outline: none;
        }

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

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            animation-play-state: paused;
            box-shadow: 0 6px 35px rgba(245, 158, 11, 0.55), inset 0 1px 2px rgba(255, 255, 255, 0.3);
        }

        .fab:active {
            transform: scale(0.95) translateY(4px);
            animation-play-state: paused;
        }

        .fab .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #F0FDF4;
            box-shadow: 0 0 8px rgba(220, 38, 38, 0.7);
        }

        /* Back to top */
        .back-to-top {
            position: fixed;
            right: 16px;
            bottom: 96px;
            z-index: 50;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(6, 46, 32, 0.9);
            border: 1px solid var(--border-dark);
            color: var(--accent-amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0;
            pointer-events: none;
            box-shadow: var(--shadow-sm);
        }

        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }

        .back-to-top:hover {
            background: var(--bg-tertiary);
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.6rem;
            }
            .hero-container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-visual {
                max-width: 600px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                position: static;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(3, 26, 18, 0.98);
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-dark);
                gap: 4px;
                box-shadow: var(--shadow-lg);
            }

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

            .nav-links a {
                padding: 14px 16px;
                width: 100%;
                font-size: 0.95rem;
            }

            .nav-links a.active::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-actions {
                gap: 6px;
            }

            .btn-login {
                padding: 8px 12px;
                font-size: 0.78rem;
            }

            .btn-signup {
                padding: 8px 16px;
                font-size: 0.78rem;
            }

            .hero {
                padding: 120px 0 56px;
            }

            .hero h1 {
                font-size: 2.1rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .section {
                padding: 52px 0;
            }

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

            .tips-grid,
            .scenario-grid,
            .feature-grid,
            .timeline-grid {
                grid-template-columns: 1fr;
            }

            .stats-row {
                gap: 24px;
            }

            .cta-card {
                padding: 32px 22px;
            }

            .subscribe-box {
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
            }

            .subscribe-form {
                max-width: 100%;
            }

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

            .fab {
                width: 50px;
                height: 50px;
                left: 12px;
                bottom: 80px;
            }

            .back-to-top {
                right: 12px;
                bottom: 80px;
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .nav-container {
                padding: 0 14px;
                min-height: 62px;
            }

            .nav-logo {
                font-size: 0.95rem;
                gap: 8px;
            }

            .nav-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
                border-radius: 10px;
            }

            .nav-logo .logo-text strong {
                font-size: 0.88rem;
            }

            .nav-logo .logo-text span {
                font-size: 0.6rem;
            }

            .nav-actions {
                gap: 4px;
            }

            .btn-login {
                padding: 7px 10px;
                font-size: 0.72rem;
                border-radius: 8px;
            }

            .btn-signup {
                padding: 7px 12px;
                font-size: 0.72rem;
                border-radius: 8px;
            }

            .hero h1 {
                font-size: 1.75rem;
            }

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

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

            .btn-primary,
            .btn-secondary {
                padding: 12px 22px;
                font-size: 0.9rem;
            }

            .hero-stats {
                gap: 16px;
            }

            .hero-stat strong {
                font-size: 1.3rem;
            }

            .hero-card {
                padding: 18px;
            }

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

            .section-desc {
                font-size: 0.9rem;
            }

            .tip-card {
                padding: 20px;
            }

            .stats-row {
                gap: 18px;
                padding: 28px 0;
            }

            .stat-block strong {
                font-size: 1.7rem;
            }

            .news-card-link {
                padding: 16px 18px;
            }

            .faq-question {
                font-size: 0.85rem;
                padding: 16px 18px;
            }

            .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.8rem;
            }

            .subscribe-box {
                padding: 18px;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }

            .subscribe-form .btn-subscribe {
                width: 100%;
            }

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

/* roulang page: category1 */
:root {
            --primary: #031A12;
            --primary-deep: #021008;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A3D2A;
            --accent-amber: #F59E0B;
            --accent-amber-dark: #D97706;
            --accent-green: #10B981;
            --accent-green-dark: #059669;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-tertiary: #FEF3C7;
            --text-muted: #6EE7B7;
            --border-dark: rgba(245, 158, 11, 0.18);
            --border-green: rgba(16, 185, 129, 0.22);
            --border-soft: rgba(240, 253, 244, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.55);
            --glow-amber: 0 0 24px rgba(245, 158, 11, 0.3);
            --glow-green: 0 0 22px rgba(16, 185, 129, 0.25);
            --font-main: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --font-display: 'Space Grotesk', 'Be Vietnam Pro', sans-serif;
            --container: 1280px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(3, 26, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            box-shadow: var(--glow-amber);
            flex-shrink: 0;
        }
        .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .nav-logo .logo-text strong {
            font-size: 1.05rem;
            letter-spacing: -0.01em;
        }
        .nav-logo .logo-text span {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
            background: rgba(16, 185, 129, 0.1);
        }
        .nav-links a.active {
            color: var(--text-primary);
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid var(--border-dark);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 3px 3px 0 0;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            padding: 9px 20px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            border: 1px solid rgba(245, 158, 11, 0.35);
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover,
        .btn-login:focus-visible {
            color: var(--text-primary);
            border-color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.1);
        }
        .btn-signup {
            padding: 9px 22px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary-deep);
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            box-shadow: var(--glow-amber);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-signup:hover,
        .btn-signup:focus-visible {
            box-shadow: 0 0 32px rgba(245, 158, 11, 0.5);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border-dark);
            background: rgba(245, 158, 11, 0.1);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: var(--transition);
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(245, 158, 11, 0.2);
        }

        /* Hero */
        .hero-category {
            position: relative;
            min-height: 420px;
            padding: 140px 0 60px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/75e03fcc3483ae63.jpg');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(3, 26, 18, 0.88) 30%, rgba(6, 46, 32, 0.72) 60%, rgba(3, 26, 18, 0.85) 100%);
            z-index: 1;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.18);
            border: 1px solid var(--border-dark);
            color: var(--accent-amber);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .hero-category h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin: 0 0 16px;
            letter-spacing: -0.02em;
        }
        .hero-category .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 650px;
            margin: 0 0 28px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--primary-deep);
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            box-shadow: var(--glow-amber);
            transition: var(--transition);
        }
        .btn-primary:hover,
        .btn-primary:focus-visible {
            box-shadow: 0 0 36px rgba(245, 158, 11, 0.55);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            border: 1px solid rgba(240, 253, 244, 0.25);
            background: rgba(240, 253, 244, 0.06);
            transition: var(--transition);
        }
        .btn-outline:hover,
        .btn-outline:focus-visible {
            border-color: var(--accent-green);
            background: rgba(16, 185, 129, 0.12);
        }

        /* Sections */
        section {
            padding: var(--spacing-lg) 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-amber);
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: -0.01em;
            line-height: 1.25;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 0 32px;
            line-height: 1.7;
        }
        .bg-secondary-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-green);
            border-bottom: 1px solid var(--border-green);
        }
        .bg-tertiary-section {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }

        /* Strategy Cards */
        .strategy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 24px;
        }
        .strategy-card {
            background: rgba(3, 26, 18, 0.6);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .strategy-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-amber), var(--accent-green));
            opacity: 0;
            transition: var(--transition);
        }
        .strategy-card:hover::before {
            opacity: 1;
        }
        .strategy-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-amber);
        }
        .strategy-card .card-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid var(--border-dark);
            color: var(--accent-amber);
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .strategy-card h3 {
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .strategy-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Scenario Section */
        .scenario-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .scenario-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-dark);
        }
        .scenario-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scenario-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            padding: 14px 16px;
            background: rgba(3, 26, 18, 0.5);
            border-radius: 12px;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }
        .scenario-list li:hover {
            border-color: var(--border-green);
            background: rgba(16, 185, 129, 0.06);
        }
        .scenario-list .scenario-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: rgba(16, 185, 129, 0.15);
            border: 1px solid var(--border-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        /* Process Steps */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
            margin-top: 24px;
        }
        .process-step {
            background: rgba(3, 26, 18, 0.6);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 22px;
            text-align: left;
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-sm);
        }
        .step-number {
            font-family: var(--font-display);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            display: block;
            margin-bottom: 8px;
        }
        .process-step h4 {
            font-family: var(--font-display);
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Stats Strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
            margin-top: 24px;
        }
        .stat-item {
            background: rgba(3, 26, 18, 0.5);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: left;
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: var(--accent-amber);
        }
        .stat-value {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-amber);
            display: block;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Pitfall Section */
        .pitfall-layout {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 18px;
            margin-top: 24px;
        }
        .pitfall-card {
            background: rgba(3, 26, 18, 0.5);
            border-left: 3px solid #DC2626;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px;
            transition: var(--transition);
        }
        .pitfall-card:hover {
            background: rgba(3, 26, 18, 0.75);
            box-shadow: var(--shadow-sm);
        }
        .pitfall-card.warning {
            border-left-color: var(--accent-amber);
        }
        .pitfall-card h4 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        .pitfall-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* News List */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 24px;
        }
        .news-card {
            background: rgba(3, 26, 18, 0.6);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-green);
        }
        .news-card .news-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-tertiary);
        }
        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-card .news-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-card .news-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--accent-amber);
        }
        .news-card h4 {
            font-family: var(--font-display);
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.45;
        }
        .news-card .news-excerpt {
            font-size: 0.84rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.55;
            flex: 1;
        }
        .news-card .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .news-card .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-green);
            transition: var(--transition);
        }
        .news-card .news-link:hover {
            color: var(--accent-amber);
        }

        /* Category Entry */
        .category-entry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 16px;
            margin-top: 24px;
        }
        .category-entry-card {
            background: rgba(3, 26, 18, 0.6);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--transition);
        }
        .category-entry-card:hover {
            border-color: var(--accent-amber);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .category-entry-card .entry-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .category-entry-card h4 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
        }
        .category-entry-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.4;
        }

        /* CTA */
        .cta-section {
            text-align: left;
            padding: var(--spacing-xl) 0;
            background: linear-gradient(135deg, var(--primary-deep), var(--bg-tertiary));
            border-top: 1px solid var(--border-dark);
        }
        .cta-section .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
            max-width: 520px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            border-top: 1px solid var(--border-dark);
            padding: 48px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0 0 16px;
            max-width: 360px;
        }
        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badge {
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: rgba(240, 253, 244, 0.06);
            border: 1px solid var(--border-soft);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col h4 {
            font-family: var(--font-display);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent-amber);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border: 2px solid var(--accent-amber);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary-deep);
            opacity: 0.8;
            transition: var(--transition);
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 32px rgba(245, 158, 11, 0.55);
        }
        .fab-left:active {
            transform: scale(0.95);
        }
        .fab-left .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid var(--text-primary);
            animation: fabPulse 2s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes fabPulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.5); }
            50% { box-shadow: 0 0 0 6px rgba(220, 38, 38, 0); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.82rem;
            }
            .hero-category h1 {
                font-size: 2.2rem;
            }
            .scenario-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-container {
                padding: 0 16px;
                min-height: 64px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(3, 26, 18, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-dark);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 4px;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 0.9rem;
                width: 100%;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .hero-category {
                min-height: 320px;
                padding: 110px 0 40px;
            }
            .hero-category h1 {
                font-size: 1.8rem;
            }
            .hero-category .hero-desc {
                font-size: 0.95rem;
            }
            section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .strategy-grid,
            .process-grid,
            .pitfall-layout,
            .category-entry-grid,
            .news-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .fab-left {
                width: 50px;
                height: 50px;
                bottom: 80px;
                left: 12px;
                font-size: 1.2rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .nav-logo .logo-text strong {
                font-size: 0.9rem;
            }
            .nav-logo .logo-text span {
                font-size: 0.6rem;
            }
            .stats-strip {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.3rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #031A12;
            --primary-deep: #021008;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A3D2A;
            --accent-amber: #F59E0B;
            --accent-amber-dark: #D97706;
            --accent-green: #10B981;
            --accent-green-dark: #059669;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-tertiary: #FEF3C7;
            --text-muted: #6EE7B7;
            --border-dark: rgba(245, 158, 11, 0.18);
            --border-green: rgba(16, 185, 129, 0.22);
            --border-soft: rgba(240, 253, 244, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.55);
            --glow-amber: 0 0 24px rgba(245, 158, 11, 0.3);
            --glow-green: 0 0 22px rgba(16, 185, 129, 0.25);
            --font-main: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --font-display: 'Space Grotesk', 'Be Vietnam Pro', sans-serif;
            --container: 1280px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
            --transition: all 0.25s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(3, 26, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            box-shadow: var(--glow-amber);
            flex-shrink: 0;
        }
        .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .nav-logo .logo-text strong {
            font-size: 1.05rem;
            letter-spacing: -0.01em;
        }
        .nav-logo .logo-text span {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
            background: rgba(16, 185, 129, 0.1);
        }
        .nav-links a.active {
            color: var(--text-primary);
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid var(--border-dark);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 3px 3px 0 0;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .btn-login {
            padding: 8px 16px;
            border-radius: 10px;
            font-weight: 600;
            color: var(--text-secondary);
            border: 1px solid var(--border-dark);
            background: transparent;
            transition: var(--transition);
        }
        .btn-login:hover,
        .btn-login:focus-visible {
            color: var(--text-primary);
            background: rgba(245, 158, 11, 0.1);
            border-color: var(--accent-amber);
        }
        .btn-signup {
            padding: 8px 18px;
            border-radius: 10px;
            font-weight: 700;
            color: #0B2E1E;
            background: linear-gradient(135deg, var(--accent-amber), #FCD34D);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.25);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-signup:hover,
        .btn-signup:focus-visible {
            box-shadow: 0 0 30px rgba(245, 158, 11, 0.45);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid var(--border-green);
            align-items: center;
            padding: 0 8px;
        }
        .nav-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        /* Mobile nav */
        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(3, 26, 18, 0.98);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border-dark);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-toggle {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .nav-logo .logo-text strong {
                font-size: 0.85rem;
            }
            .nav-logo .logo-text span {
                font-size: 0.62rem;
            }
            .btn-login {
                padding: 8px 10px;
                font-size: 0.8rem;
            }
            .btn-signup {
                padding: 8px 12px;
                font-size: 0.8rem;
            }
        }
        /* Article Hero */
        .article-hero {
            position: relative;
            padding: 140px 0 70px;
            background: url('/assets/images/75e03fcc3483ae63.jpg') center/cover no-repeat;
            background-attachment: fixed;
            border-bottom: 1px solid var(--border-dark);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(3,26,18,0.72) 0%, rgba(3,26,18,0.94) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .breadcrumb a:hover {
            color: var(--accent-amber);
        }
        .breadcrumb .sep {
            opacity: 0.6;
        }
        .article-kicker {
            display: inline-block;
            padding: 6px 12px;
            background: rgba(245,158,11,0.12);
            border: 1px solid var(--border-dark);
            border-radius: 999px;
            color: var(--accent-amber);
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }
        .article-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            max-width: 900px;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            border-top: 1px solid var(--border-soft);
            padding-top: 18px;
            max-width: 700px;
        }
        .article-meta .meta-badge {
            padding: 4px 10px;
            background: rgba(16,185,129,0.12);
            border-radius: 999px;
            color: var(--accent-green);
            font-weight: 600;
        }
        /* Section base */
        .section-block {
            padding: 60px 0;
        }
        .section-block-alt {
            background: var(--bg-secondary);
        }
        .section-head {
            max-width: 800px;
            margin-bottom: 36px;
            text-align: left;
        }
        .section-kicker {
            display: inline-block;
            color: var(--accent-amber);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-top: 12px;
            line-height: 1.65;
        }
        /* Article body */
        .article-body-section {
            padding: 40px 0 60px;
        }
        .article-cover {
            margin-bottom: 32px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-soft);
        }
        .article-cover img {
            width: 100%;
            object-fit: cover;
        }
        .article-card {
            background: rgba(6,46,32,0.55);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            padding: clamp(20px, 4vw, 48px);
            box-shadow: var(--shadow-sm);
        }
        .cms-content {
            color: var(--text-primary);
            font-size: 1rem;
            line-height: 1.7;
        }
        .cms-content h2,
        .cms-content h3,
        .cms-content h4 {
            font-family: var(--font-display);
            color: var(--text-primary);
            margin: 28px 0 14px;
            line-height: 1.3;
        }
        .cms-content h2 {
            font-size: 1.75rem;
            border-left: 4px solid var(--accent-amber);
            padding-left: 14px;
        }
        .cms-content h3 {
            font-size: 1.35rem;
            color: var(--text-tertiary);
        }
        .cms-content p {
            margin: 14px 0;
        }
        .cms-content ul,
        .cms-content ol {
            margin: 12px 0 16px 20px;
        }
        .cms-content li {
            margin: 6px 0;
        }
        .cms-content img {
            border-radius: var(--radius-md);
            margin: 18px 0;
        }
        .cms-content blockquote {
            border-left: 4px solid var(--accent-green);
            background: rgba(16,185,129,0.06);
            padding: 16px 18px;
            border-radius: 12px;
            margin: 20px 0;
            color: var(--text-secondary);
        }
        .not-found {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-secondary);
        }
        .not-found p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            background: linear-gradient(135deg, var(--accent-amber), #FCD34D);
            color: #0B2E1E;
            font-weight: 700;
            border-radius: 12px;
            box-shadow: var(--glow-amber);
            transition: var(--transition);
            border: none;
        }
        .btn-primary:hover,
        .btn-primary:focus-visible {
            box-shadow: 0 0 40px rgba(245,158,11,0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: transparent;
            border: 1px solid var(--border-green);
            color: var(--accent-green);
            font-weight: 600;
            border-radius: 12px;
            transition: var(--transition);
        }
        .btn-outline:hover,
        .btn-outline:focus-visible {
            background: rgba(16,185,129,0.1);
            border-color: var(--accent-green);
            box-shadow: var(--glow-green);
        }
        /* Tips grid */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .tip-card {
            background: rgba(6,46,32,0.6);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-amber), var(--accent-green));
        }
        .tip-card:hover {
            transform: translateY(-4px);
            border-color: rgba(16,185,129,0.5);
            box-shadow: var(--glow-green);
        }
        .tip-number {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 700;
            color: rgba(245,158,11,0.35);
            line-height: 1;
            margin-bottom: 10px;
        }
        .tip-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .tip-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* Method steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            counter-reset: step;
        }
        .step-item {
            background: rgba(6,46,32,0.5);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            position: relative;
            transition: var(--transition);
        }
        .step-item:hover {
            border-color: var(--border-green);
            box-shadow: var(--shadow-sm);
        }
        .step-icon {
            width: 46px;
            height: 46px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #0B2E1E;
            font-weight: 700;
            margin-bottom: 16px;
            box-shadow: var(--glow-amber);
        }
        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .step-item p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        /* Scenario cards */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .scenario-card {
            background: rgba(6,46,32,0.6);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
        }
        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-amber);
        }
        .scenario-card h3 {
            color: var(--accent-amber);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .scenario-card p {
            color: var(--text-secondary);
            line-height: 1.65;
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(6,46,32,0.6);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:focus-within,
        .faq-item:hover {
            border-color: var(--border-green);
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.6rem;
            font-weight: 400;
            color: var(--accent-amber);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* CTA panel */
        .cta-panel {
            position: relative;
            background: linear-gradient(135deg, rgba(245,158,11,0.08), rgba(16,185,129,0.08));
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-xl);
            padding: clamp(30px, 6vw, 56px);
            text-align: left;
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(245,158,11,0.2), transparent 70%);
            border-radius: 50%;
        }
        .cta-panel h2 {
            font-family: var(--font-display);
            font-size: clamp(1.5rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            color: var(--text-secondary);
            max-width: 700px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            border-top: 1px solid var(--border-dark);
            padding: 60px 0 30px;
            margin-top: 40px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badge {
            padding: 6px 10px;
            background: rgba(245,158,11,0.08);
            border: 1px solid var(--border-dark);
            border-radius: 8px;
            color: var(--text-tertiary);
            font-size: 0.75rem;
            font-weight: 600;
        }
        .footer-col h4 {
            color: var(--accent-amber);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent-amber);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
        }
        .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .legal-links a {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .legal-links a:hover {
            color: var(--accent-amber);
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(3,26,18,0.9);
            border: 2px solid var(--accent-amber);
            box-shadow: 0 6px 25px rgba(245,158,11,0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-amber);
            transition: var(--transition);
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab:hover {
            transform: scale(1.1);
            box-shadow: 0 0 35px rgba(245,158,11,0.55);
        }
        .fab:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab .badge {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
            box-shadow: 0 0 10px rgba(220,38,38,0.6);
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        /* Responsive */
        @media (max-width: 768px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .article-hero {
                background-attachment: scroll;
            }
            .section-block {
                padding: 40px 0;
            }
            .article-card {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .tips-grid,
            .steps-grid,
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #031A12;
            --primary-deep: #021008;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A3D2A;
            --accent-amber: #F59E0B;
            --accent-amber-dark: #D97706;
            --accent-green: #10B981;
            --accent-green-dark: #059669;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-tertiary: #FEF3C7;
            --text-muted: #6EE7B7;
            --border-dark: rgba(245, 158, 11, 0.18);
            --border-green: rgba(16, 185, 129, 0.22);
            --border-soft: rgba(240, 253, 244, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.55);
            --glow-amber: 0 0 24px rgba(245, 158, 11, 0.3);
            --glow-green: 0 0 22px rgba(16, 185, 129, 0.25);
            --font-main: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --font-display: 'Space Grotesk', 'Be Vietnam Pro', sans-serif;
            --container: 1280px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
            --transition: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-main);
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(3, 26, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            box-shadow: var(--glow-amber);
            flex-shrink: 0;
        }
        .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .nav-logo .logo-text strong {
            font-size: 1.05rem;
            letter-spacing: -0.01em;
        }
        .nav-logo .logo-text span {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
            background: rgba(16, 185, 129, 0.1);
        }
        .nav-links a.active {
            color: var(--text-primary);
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid var(--border-dark);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 3px 3px 0 0;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login {
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent-amber);
            border: 1px solid var(--border-dark);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--accent-amber);
            box-shadow: var(--glow-amber);
        }
        .btn-signup {
            padding: 9px 20px;
            border-radius: 10px;
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--primary-deep);
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            box-shadow: var(--glow-amber);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(245, 158, 11, 0.45);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--border-soft);
            background: transparent;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        /* Main */
        main {
            padding-top: 72px;
        }
        section {
            padding: var(--spacing-lg) 0;
        }
        /* Hero Section */
        .hero-category {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(160deg, var(--primary-deep) 0%, var(--bg-secondary) 45%, var(--bg-tertiary) 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-green);
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -120px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.16) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-category .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-category .hero-content {
            text-align: left;
        }
        .hero-category .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--border-dark);
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-amber);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 18px;
        }
        .hero-category h1 {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .hero-category h1 em {
            font-style: normal;
            color: var(--accent-amber);
        }
        .hero-category .hero-lead {
            font-size: 1.08rem;
            line-height: 1.65;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-category .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1rem;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            color: var(--primary-deep);
            box-shadow: var(--glow-amber);
            transition: var(--transition);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(245, 158, 11, 0.5);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 26px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--border-green);
            color: var(--accent-green);
            background: rgba(16, 185, 129, 0.06);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(16, 185, 129, 0.14);
            box-shadow: var(--glow-green);
        }
        .hero-category .hero-demo {
            background: rgba(3, 26, 18, 0.7);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .hero-category .hero-demo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent-amber), var(--accent-green), transparent);
        }
        .hero-category .demo-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 20px;
            aspect-ratio: 16/10;
        }
        .hero-category .demo-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-category .demo-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
        }
        .hero-category .demo-stat {
            text-align: center;
            padding: 14px 10px;
            background: rgba(16, 185, 129, 0.06);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-soft);
        }
        .hero-category .demo-stat strong {
            display: block;
            font-family: var(--font-display);
            font-size: 1.2rem;
            color: var(--accent-amber);
            margin-bottom: 2px;
        }
        .hero-category .demo-stat span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        /* Section Common */
        .section-heading {
            margin-bottom: 32px;
        }
        .section-heading h2 {
            font-family: var(--font-display);
            font-size: clamp(1.4rem, 2.4vw, 1.8rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section-heading p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 680px;
        }
        .section-divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-dark), var(--border-green), transparent);
            margin: 0 auto;
            max-width: var(--container);
        }
        /* Tips Grid */
        .tips-section {
            background: var(--primary);
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .tip-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-amber), var(--accent-green));
            opacity: 0;
            transition: var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(245, 158, 11, 0.35);
        }
        .tip-card:hover::before {
            opacity: 1;
        }
        .tip-card .tip-number {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(245, 158, 11, 0.15);
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .tip-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .tip-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* Scenario Section */
        .scenarios-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }
        .scenario-item {
            padding: 22px;
            border-left: 3px solid var(--accent-green);
            background: rgba(3, 26, 18, 0.6);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .scenario-item h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .scenario-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        /* Steps Section */
        .steps-section {
            background: var(--primary);
        }
        .steps-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
            counter-reset: step;
        }
        .step-item {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding: 22px;
            background: rgba(6, 46, 32, 0.5);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            position: relative;
        }
        .step-item .step-count {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            color: var(--primary-deep);
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            margin-bottom: 12px;
            box-shadow: var(--glow-amber);
        }
        .step-item h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.55;
        }
        /* Evidence Section */
        .evidence-section {
            background: linear-gradient(145deg, var(--primary-deep), var(--bg-secondary));
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .evidence-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        .evidence-stat {
            text-align: left;
            padding: 20px;
            background: rgba(3, 26, 18, 0.7);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-soft);
        }
        .evidence-stat strong {
            display: block;
            font-family: var(--font-display);
            font-size: 1.6rem;
            color: var(--accent-amber);
            margin-bottom: 4px;
        }
        .evidence-stat span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        /* News List */
        .news-section {
            background: var(--primary);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .news-card {
            display: block;
            background: var(--bg-secondary);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-green);
        }
        .news-card .news-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-tertiary);
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .news-body {
            padding: 18px;
        }
        .news-card .news-body h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card .news-body p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .news-time {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        /* FAQ Section */
        .faq-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: rgba(3, 26, 18, 0.6);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .faq-item summary {
            padding: 18px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: var(--transition);
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            color: var(--accent-amber);
        }
        .faq-item summary .faq-plus {
            font-size: 1.3rem;
            color: var(--accent-amber);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-plus {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        /* CTA Section */
        .cta-section {
            background: linear-gradient(145deg, var(--bg-tertiary), var(--primary-deep));
            padding: 72px 0;
            text-align: center;
            border-top: 1px solid var(--border-dark);
        }
        .cta-section .container {
            max-width: 720px;
        }
        .cta-section h2 {
            font-family: var(--font-display);
            font-size: clamp(1.5rem, 2.5vw, 1.9rem);
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 28px;
        }
        .cta-section .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        /* FAB */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border: 2px solid rgba(245, 158, 11, 0.6);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.8;
            animation: fabFloat 3s ease-in-out infinite;
            color: var(--primary-deep);
        }
        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            animation-play-state: paused;
        }
        .fab-royal:active {
            transform: scale(0.95) translateY(1px);
        }
        .fab-royal .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #fff;
        }
        @keyframes fabFloat {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }
        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            border-top: 1px solid var(--border-dark);
            padding: 48px 0 24px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 16px;
            max-width: 320px;
        }
        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badge {
            padding: 6px 12px;
            background: rgba(245, 158, 11, 0.08);
            border: 1px solid var(--border-dark);
            border-radius: 6px;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-amber);
            letter-spacing: 0.03em;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent-amber);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent-amber);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-soft);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .legal-links a {
            font-size: 0.78rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .legal-links a:hover {
            color: var(--accent-amber);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-category .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(3, 26, 18, 0.98);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-dark);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 16px;
                font-size: 0.95rem;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            section {
                padding: 48px 0;
            }
            .hero-category {
                padding: 56px 0 48px;
            }
            .hero-category .hero-demo {
                padding: 20px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .nav-container {
                padding: 0 16px;
                gap: 12px;
            }
            .nav-logo .logo-text strong {
                font-size: 0.9rem;
            }
            .nav-logo .logo-text span {
                font-size: 0.62rem;
            }
            .hero-category h1 {
                font-size: 1.5rem;
            }
            .hero-category .hero-lead {
                font-size: 0.95rem;
            }
            .hero-category .demo-stats {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .tips-grid,
            .scenarios-grid,
            .steps-list,
            .news-grid,
            .evidence-grid {
                grid-template-columns: 1fr;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .fab-royal {
                width: 50px;
                height: 50px;
                bottom: 80px;
                left: 12px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #031A12;
            --primary-deep: #021008;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A3D2A;
            --accent-amber: #F59E0B;
            --accent-amber-dark: #D97706;
            --accent-green: #10B981;
            --accent-green-dark: #059669;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-tertiary: #FEF3C7;
            --text-muted: #6EE7B7;
            --border-dark: rgba(245, 158, 11, 0.18);
            --border-green: rgba(16, 185, 129, 0.22);
            --border-soft: rgba(240, 253, 244, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.55);
            --glow-amber: 0 0 24px rgba(245, 158, 11, 0.3);
            --glow-green: 0 0 22px rgba(16, 185, 129, 0.25);
            --font-main: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --font-display: 'Space Grotesk', 'Be Vietnam Pro', sans-serif;
            --container: 1280px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
            --transition: all 0.25s ease;
        }

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

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

        body {
            font-family: var(--font-main);
            background: var(--primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            font-size: 16px;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(3, 26, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            box-shadow: var(--glow-amber);
            flex-shrink: 0;
        }

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

        .nav-logo .logo-text strong {
            font-size: 1.05rem;
            letter-spacing: -0.01em;
        }

        .nav-logo .logo-text span {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
            background: rgba(16, 185, 129, 0.1);
        }

        .nav-links a.active {
            color: var(--text-primary);
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid var(--border-dark);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 3px 3px 0 0;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-tertiary);
            background: transparent;
            border: 1px solid var(--border-dark);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover,
        .btn-login:focus-visible {
            background: rgba(245, 158, 11, 0.12);
            border-color: var(--accent-amber);
            color: var(--text-primary);
        }

        .btn-signup {
            padding: 9px 18px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #031A12;
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-dark));
            box-shadow: var(--glow-amber);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-signup:hover,
        .btn-signup:focus-visible {
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.45);
            filter: brightness(1.05);
        }

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 8px;
            border-radius: 10px;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid var(--border-green);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero Section */
        .category-hero {
            position: relative;
            padding: 140px 0 80px;
            background: linear-gradient(160deg, var(--primary-deep) 0%, var(--bg-secondary) 45%, var(--bg-tertiary) 100%);
            overflow: hidden;
            border-bottom: 1px solid var(--border-dark);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/75e03fcc3483ae63.jpg') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 30%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 10% 70%, rgba(16, 185, 129, 0.07) 0%, transparent 50%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 30px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--border-dark);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-tertiary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }

        .hero-eyebrow .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-amber);
            box-shadow: var(--glow-amber);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.5); }
        }

        .hero-content h1 {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-green));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 560px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 700;
            color: #031A12;
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-dark));
            box-shadow: var(--glow-amber);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover,
        .btn-primary:focus-visible {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
            filter: brightness(1.08);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid var(--border-green);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover,
        .btn-secondary:focus-visible {
            background: rgba(16, 185, 129, 0.22);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

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

        .hero-visual .image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-dark);
            max-width: 520px;
            width: 100%;
        }

        .hero-visual .image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-visual .image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(3, 26, 18, 0.45) 0%, transparent 40%);
        }

        .hero-stat-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            z-index: 3;
        }

        .stat-pill {
            display: flex;
            flex-direction: column;
            padding: 14px 18px;
            background: rgba(3, 26, 18, 0.8);
            backdrop-filter: blur(12px);
            border-radius: 12px;
            border: 1px solid var(--border-dark);
            min-width: 0;
            flex: 1;
        }

        .stat-pill .stat-num {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-amber);
            line-height: 1.2;
        }

        .stat-pill .stat-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
        }

        /* Section Base */
        .section {
            padding: var(--spacing-lg) 0;
            position: relative;
        }

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

        .section-header {
            margin-bottom: 42px;
            max-width: 680px;
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.015em;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .section-header h2 .highlight {
            color: var(--accent-amber);
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-amber);
            margin-bottom: 12px;
        }

        /* Features Grid - Asymmetric */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .feature-item {
            display: flex;
            gap: 18px;
            padding: 26px 28px;
            border-radius: var(--radius-md);
            background: rgba(10, 61, 42, 0.5);
            border: 1px solid var(--border-green);
            transition: var(--transition);
            align-items: flex-start;
        }

        .feature-item:hover {
            border-color: rgba(245, 158, 11, 0.35);
            background: rgba(10, 61, 42, 0.75);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .feature-item .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(245, 158, 11, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            flex-shrink: 0;
            border: 1px solid var(--border-dark);
        }

        .feature-item:nth-child(even) .feature-icon {
            background: rgba(16, 185, 129, 0.14);
            border-color: var(--border-green);
        }

        .feature-item h3 {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .feature-item p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Scenario Section */
        .scenario-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .scenario-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-dark);
        }

        .scenario-image img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: var(--transition);
        }

        .scenario-image:hover img {
            transform: scale(1.03);
        }

        .scenario-list {
            display: grid;
            gap: 22px;
        }

        .scenario-item {
            display: flex;
            gap: 16px;
            padding: 20px 22px;
            border-radius: var(--radius-md);
            background: rgba(10, 61, 42, 0.35);
            border-left: 3px solid var(--accent-amber);
            transition: var(--transition);
            align-items: flex-start;
        }

        .scenario-item:nth-child(2) {
            border-left-color: var(--accent-green);
        }

        .scenario-item:nth-child(3) {
            border-left-color: var(--accent-amber-dark);
        }

        .scenario-item:hover {
            background: rgba(10, 61, 42, 0.6);
            box-shadow: var(--shadow-sm);
        }

        .scenario-item .scenario-num {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-amber);
            flex-shrink: 0;
            width: 40px;
        }

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

        .scenario-item p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Steps / Process */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            position: relative;
            padding: 28px 24px;
            border-radius: var(--radius-md);
            background: rgba(10, 61, 42, 0.4);
            border: 1px solid var(--border-green);
            transition: var(--transition);
        }

        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -16px;
            left: 24px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-amber-dark));
            color: #031A12;
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--glow-amber);
        }

        .step-card:hover {
            border-color: rgba(245, 158, 11, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            font-family: var(--font-display);
        }

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

        /* Data Stats */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding: 36px 30px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.07) 0%, rgba(16, 185, 129, 0.05) 100%);
            border: 1px solid var(--border-dark);
        }

        .stat-block {
            text-align: left;
            padding: 0 18px;
            border-left: 3px solid var(--accent-amber);
        }

        .stat-block:nth-child(2) {
            border-left-color: var(--accent-green);
        }

        .stat-block:nth-child(3) {
            border-left-color: var(--accent-amber-dark);
        }

        .stat-block:nth-child(4) {
            border-left-color: var(--text-muted);
        }

        .stat-block .big-num {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-block .big-num em {
            font-style: normal;
            color: var(--accent-amber);
        }

        .stat-block .stat-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-top: 6px;
        }

        /* Warning / Tips Box */
        .tips-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-dark);
        }

        .tips-col {
            padding: 36px 32px;
        }

        .tips-col.danger {
            background: rgba(220, 38, 38, 0.08);
            border-right: 1px solid rgba(220, 38, 38, 0.25);
        }

        .tips-col.safe {
            background: rgba(16, 185, 129, 0.07);
        }

        .tips-col h3 {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .tips-col.danger h3 {
            color: #FCA5A5;
        }

        .tips-col.safe h3 {
            color: var(--accent-green);
        }

        .tips-col ul {
            display: grid;
            gap: 12px;
        }

        .tips-col li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .tips-col li .check {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            margin-top: 2px;
        }

        .tips-col.danger .check {
            background: rgba(220, 38, 38, 0.2);
            color: #FCA5A5;
        }

        .tips-col.safe .check {
            background: rgba(16, 185, 129, 0.2);
            color: var(--accent-green);
        }

        /* FAQ */
        .faq-list {
            display: grid;
            gap: 16px;
            max-width: 840px;
        }

        .faq-item {
            border-radius: var(--radius-md);
            background: rgba(10, 61, 42, 0.4);
            border: 1px solid var(--border-green);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.3);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--text-tertiary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--accent-amber);
            transition: var(--transition);
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* News List */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .news-card {
            border-radius: var(--radius-md);
            background: rgba(10, 61, 42, 0.4);
            border: 1px solid var(--border-green);
            overflow: hidden;
            transition: var(--transition);
        }

        .news-card:hover {
            border-color: rgba(245, 158, 11, 0.35);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .news-card a {
            display: block;
            padding: 22px;
        }

        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .news-card:hover h3 {
            color: var(--text-tertiary);
        }

        .news-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .news-meta .news-cat {
            padding: 4px 10px;
            border-radius: 20px;
            background: rgba(245, 158, 11, 0.12);
            color: var(--text-tertiary);
            font-weight: 600;
        }

        /* Final CTA */
        .cta-final {
            position: relative;
            padding: var(--spacing-lg) 0;
            background: linear-gradient(150deg, var(--primary-deep) 0%, var(--bg-secondary) 60%, var(--bg-tertiary) 100%);
            border-top: 1px solid var(--border-dark);
            text-align: center;
        }

        .cta-final::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center 30%, rgba(245, 158, 11, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-final .container {
            position: relative;
            z-index: 1;
        }

        .cta-final h2 {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .cta-final p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 620px;
            margin: 0 auto 30px;
        }

        .cta-final .btn-primary {
            font-size: 1.05rem;
            padding: 16px 34px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary-deep);
            border-top: 1px solid var(--border-dark);
            padding-top: 56px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-soft);
        }

        .footer-brand .logo-text {
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 360px;
            margin-bottom: 18px;
        }

        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .payment-badge {
            padding: 6px 12px;
            border-radius: 6px;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid var(--border-green);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        .footer-col h4 {
            font-family: var(--font-display);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: grid;
            gap: 10px;
        }

        .footer-col a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            padding: 22px 0;
        }

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

        .legal-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .legal-links a {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .legal-links a:hover {
            color: var(--accent-amber);
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #fbbf24, #b45309 70%, #7c2d12 100%);
            border: 2px solid var(--accent-amber);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35), inset 0 -3px 8px rgba(0, 0, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.8;
            transition: var(--transition);
            animation: fab-breathe 3s ease-in-out infinite;
        }

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

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 10px 35px rgba(245, 158, 11, 0.5), inset 0 -3px 8px rgba(0, 0, 0, 0.3);
        }

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

        .fab-support .fab-icon {
            font-size: 1.6rem;
            position: relative;
            z-index: 2;
            transition: transform 0.4s ease;
        }

        .fab-support:hover .fab-icon {
            transform: rotate(15deg) scale(1.15);
        }

        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #DC2626;
            border: 2px solid #F0FDF4;
            animation: pulse-dot 2s infinite;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

            .hero-visual .image-wrap {
                max-width: 100%;
            }

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

            .scenario-wrapper {
                grid-template-columns: 1fr;
            }

            .steps-horizontal {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }

            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

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

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

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: rgba(3, 26, 18, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-dark);
                padding: 12px 24px;
                display: none;
                max-height: calc(100vh - 72px);
                overflow-y: auto;
            }

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

            .nav-links li {
                width: 100%;
            }

            .nav-links a {
                display: block;
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 0.95rem;
            }

            .nav-links a.active::after {
                display: none;
            }

            .nav-actions {
                gap: 6px;
            }

            .btn-login,
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.82rem;
            }

            .nav-logo .logo-text strong {
                font-size: 0.95rem;
            }

            .nav-logo .logo-text span {
                font-size: 0.65rem;
            }

            .category-hero {
                padding: 110px 0 50px;
            }

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

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

            .hero-stat-badge {
                flex-wrap: wrap;
                gap: 8px;
            }

            .section {
                padding: 48px 0;
            }

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

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

            .stats-strip {
                grid-template-columns: 1fr 1fr;
                padding: 26px 20px;
            }

            .stat-block .big-num {
                font-size: 1.8rem;
            }

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

            .tips-col.danger {
                border-right: none;
                border-bottom: 1px solid rgba(220, 38, 38, 0.25);
            }

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

            .footer-top {
                grid-template-columns: 1fr;
                gap: 26px;
            }

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

            .legal-links {
                justify-content: center;
            }

            .cta-final h2 {
                font-size: 1.7rem;
            }

            .fab-support {
                width: 50px;
                height: 50px;
                left: 12px;
                bottom: 80px;
            }
        }

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

            .nav-container {
                padding: 0 16px;
                min-height: 64px;
                gap: 10px;
            }

            .nav-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
                border-radius: 10px;
            }

            .nav-logo .logo-text {
                display: none;
            }

            .btn-login {
                display: none;
            }

            .category-hero {
                padding: 95px 0 40px;
            }

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

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

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

            .feature-item {
                padding: 20px;
                flex-direction: column;
            }

            .scenario-item {
                padding: 16px;
            }

            .stats-strip {
                grid-template-columns: 1fr;
            }

            .step-card {
                padding: 22px 18px;
            }

            .tips-col {
                padding: 24px 20px;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .cta-final {
                padding: 48px 0;
            }

            .cta-final h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #031A12;
            --primary-deep: #021008;
            --bg-secondary: #062E20;
            --bg-tertiary: #0A3D2A;
            --accent-amber: #F59E0B;
            --accent-amber-dark: #D97706;
            --accent-green: #10B981;
            --accent-green-dark: #059669;
            --text-primary: #F0FDF4;
            --text-secondary: #A7F3D0;
            --text-tertiary: #FEF3C7;
            --text-muted: #6EE7B7;
            --border-dark: rgba(245, 158, 11, 0.18);
            --border-green: rgba(16, 185, 129, 0.22);
            --border-soft: rgba(240, 253, 244, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.55);
            --glow-amber: 0 0 24px rgba(245, 158, 11, 0.3);
            --glow-green: 0 0 22px rgba(16, 185, 129, 0.25);
            --font-main: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --font-display: 'Space Grotesk', 'Be Vietnam Pro', sans-serif;
            --container: 1280px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 96px;
            --transition: all 0.25s ease;
        }
        
        * {
            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(--primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
            border: none;
            outline: none;
            background: none;
        }
        
        button {
            cursor: pointer;
        }
        
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        
        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(3, 26, 18, 0.92);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }
        
        .site-header.scrolled {
            background: rgba(3, 26, 18, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 72px;
            padding: 0 24px;
            max-width: var(--container);
            margin: 0 auto;
        }
        
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--text-primary);
            white-space: nowrap;
        }
        
        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            box-shadow: var(--glow-amber);
            flex-shrink: 0;
        }
        
        .nav-logo .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        
        .nav-logo .logo-text strong {
            font-size: 1.05rem;
            letter-spacing: -0.01em;
        }
        
        .nav-logo .logo-text span {
            font-size: 0.7rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        
        .nav-links a {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: var(--transition);
        }
        
        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: var(--text-primary);
            background: rgba(16, 185, 129, 0.1);
        }
        
        .nav-links a.active {
            color: var(--text-primary);
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid var(--border-dark);
        }
        
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-amber);
            border-radius: 3px 3px 0 0;
        }
        
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .btn-login {
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-primary);
            border: 1px solid var(--border-dark);
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .btn-login:hover {
            border-color: var(--accent-amber);
            background: rgba(245, 158, 11, 0.1);
        }
        
        .btn-signup {
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #031A12;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            box-shadow: var(--glow-amber);
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .btn-signup:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 32px rgba(245, 158, 11, 0.45);
        }
        
        .btn-signup:active {
            transform: translateY(0);
        }
        
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: 8px;
        }
        
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        
        /* Hero Section */
        .hero {
            position: relative;
            padding: 140px 0 70px;
            background: linear-gradient(180deg, var(--primary-deep) 0%, var(--primary) 55%, var(--bg-secondary) 100%);
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -120px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        
        .hero-left {
            text-align: left;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(245, 158, 11, 0.12);
            border: 1px solid var(--border-dark);
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-tertiary);
            margin-bottom: 20px;
        }
        
        .hero-badge i {
            color: var(--accent-amber);
            font-size: 0.8rem;
        }
        
        .hero-title {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        
        .hero-title em {
            font-style: normal;
            color: var(--accent-amber);
        }
        
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 28px;
            max-width: 520px;
        }
        
        /* Version Timeline Bar */
        .version-timeline {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 32px;
        }
        
        .timeline-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        
        .timeline-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            min-width: 100px;
        }
        
        .timeline-nodes {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        
        .timeline-node {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(16, 185, 129, 0.08);
            border: 1px solid var(--border-green);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        
        .timeline-node.highlight {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--accent-amber);
            color: var(--text-tertiary);
        }
        
        .timeline-node .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
        }
        
        .timeline-node.highlight .dot {
            background: var(--accent-amber);
        }
        
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 440px;
            flex-wrap: wrap;
        }
        
        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: 12px;
            background: rgba(240, 253, 244, 0.06);
            border: 1px solid var(--border-soft);
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .subscribe-form input::placeholder {
            color: rgba(167, 243, 208, 0.5);
        }
        
        .subscribe-form input:focus {
            border-color: var(--accent-amber);
            background: rgba(240, 253, 244, 0.1);
        }
        
        .btn-subscribe {
            padding: 12px 24px;
            border-radius: 12px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #031A12;
            background: linear-gradient(145deg, var(--accent-green), var(--accent-green-dark));
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .btn-subscribe:hover {
            transform: translateY(-1px);
            box-shadow: var(--glow-green);
        }
        
        .hero-right {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .hero-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-dark);
            box-shadow: var(--shadow-lg);
            max-width: 480px;
            width: 100%;
        }
        
        .hero-image-wrap img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        
        .hero-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(3, 26, 18, 0.85) 100%);
            pointer-events: none;
        }
        
        .hero-float-card {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            padding: 16px 20px;
            background: rgba(3, 26, 18, 0.9);
            backdrop-filter: blur(12px);
            border-radius: 14px;
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            gap: 14px;
            z-index: 3;
        }
        
        .float-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #031A12;
            flex-shrink: 0;
        }
        
        .float-text {
            flex: 1;
        }
        
        .float-text strong {
            display: block;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        
        .float-text span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        .float-badge {
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(16, 185, 129, 0.2);
            color: var(--text-muted);
            white-space: nowrap;
        }
        
        /* Section Base */
        .section {
            padding: var(--spacing-lg) 0;
        }
        
        .section-alt {
            background: var(--bg-secondary);
        }
        
        .section-dark {
            background: var(--primary-deep);
        }
        
        .section-header {
            text-align: left;
            margin-bottom: 40px;
        }
        
        .section-header.center {
            text-align: center;
        }
        
        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-amber);
            margin-bottom: 10px;
        }
        
        .section-tag.green {
            color: var(--text-muted);
        }
        
        .section-header h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        
        .section-header p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 640px;
        }
        
        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        
        .card-grid.two {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .card-grid.four {
            grid-template-columns: repeat(4, 1fr);
        }
        
        .card {
            background: rgba(240, 253, 244, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        
        .card:hover {
            transform: translateY(-3px);
            border-color: var(--border-green);
            box-shadow: var(--shadow-md);
        }
        
        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(145deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.08));
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-amber);
            margin-bottom: 16px;
        }
        
        .card-icon.green {
            background: linear-gradient(145deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.08));
            border: 1px solid var(--border-green);
            color: var(--text-muted);
        }
        
        .card h3 {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        
        .card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        
        /* Experience Cards */
        .experience-card {
            background: rgba(240, 253, 244, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            position: relative;
        }
        
        .experience-card:hover {
            border-color: var(--border-dark);
            box-shadow: var(--shadow-md);
        }
        
        .experience-card .exp-number {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            color: rgba(245, 158, 11, 0.18);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
        }
        
        .experience-card .exp-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(145deg, rgba(245, 158, 11, 0.18), rgba(245, 158, 11, 0.06));
            border: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
        }
        
        .experience-card h3 {
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            padding-right: 40px;
        }
        
        .experience-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        
        /* Roadmap Section */
        .roadmap {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }
        
        .roadmap::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 28px;
            width: 2px;
            background: linear-gradient(180deg, rgba(245, 158, 11, 0.5), rgba(16, 185, 129, 0.4));
        }
        
        .roadmap-item {
            display: flex;
            gap: 20px;
            padding: 24px 0 24px 0;
            position: relative;
        }
        
        .roadmap-dot {
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--bg-secondary);
            border: 2px solid var(--accent-amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            z-index: 2;
            box-shadow: 0 0 0 4px rgba(3, 26, 18, 0.8);
        }
        
        .roadmap-dot.green {
            border-color: var(--accent-green);
        }
        
        .roadmap-content {
            flex: 1;
            padding-top: 4px;
        }
        
        .roadmap-content .rm-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-amber);
            margin-bottom: 8px;
        }
        
        .roadmap-content h3 {
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        
        .roadmap-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        
        /* Warning Cards */
        .warning-card {
            background: rgba(245, 158, 11, 0.06);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
        }
        
        .warning-card:hover {
            background: rgba(245, 158, 11, 0.1);
            transform: translateX(4px);
        }
        
        .warning-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(245, 158, 11, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-amber);
            flex-shrink: 0;
        }
        
        .warning-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        
        .warning-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        
        /* Comparison Table */
        .compare-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
        }
        
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: left;
        }
        
        .compare-table thead {
            background: rgba(245, 158, 11, 0.1);
        }
        
        .compare-table thead th {
            font-family: var(--font-display);
            font-weight: 600;
            color: var(--text-tertiary);
            border-bottom: 1px solid var(--border-dark);
        }
        
        .compare-table tbody tr {
            border-bottom: 1px solid var(--border-soft);
            transition: var(--transition);
        }
        
        .compare-table tbody tr:last-child {
            border-bottom: none;
        }
        
        .compare-table tbody tr:hover {
            background: rgba(16, 185, 129, 0.06);
        }
        
        .compare-table td {
            color: var(--text-secondary);
        }
        
        .compare-table td:first-child {
            font-weight: 600;
            color: var(--text-primary);
        }
        
        .compare-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        
        .compare-badge.bronze {
            background: rgba(180, 83, 9, 0.25);
            color: #FDE68A;
        }
        
        .compare-badge.silver {
            background: rgba(203, 213, 225, 0.15);
            color: #E2E8F0;
        }
        
        .compare-badge.gold {
            background: rgba(245, 158, 11, 0.2);
            color: var(--accent-amber);
        }
        
        /* News Section */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        
        .news-card {
            background: rgba(240, 253, 244, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .news-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-dark);
            box-shadow: var(--shadow-md);
        }
        
        .news-card-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        
        .news-card-body {
            padding: 18px;
        }
        
        .news-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(16, 185, 129, 0.15);
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        
        .news-card-body h3 {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        
        .news-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .news-date {
            display: block;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 10px;
        }
        
        .empty-state {
            padding: 40px;
            text-align: center;
            font-size: 0.95rem;
            color: var(--text-secondary);
            background: rgba(240, 253, 244, 0.04);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-soft);
        }
        
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 780px;
        }
        
        .faq-item {
            background: rgba(240, 253, 244, 0.04);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--border-green);
        }
        
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: var(--transition);
        }
        
        .faq-question:hover {
            color: var(--text-tertiary);
        }
        
        .faq-question .faq-chevron {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        
        .faq-item.active .faq-question .faq-chevron {
            transform: rotate(180deg);
            color: var(--accent-amber);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 18px;
        }
        
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        
        /* CTA Section */
        .cta-section {
            padding: var(--spacing-lg) 0;
            background: linear-gradient(160deg, var(--primary-deep) 0%, var(--bg-tertiary) 100%);
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: -150px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            transform: translateY(-50%);
            pointer-events: none;
        }
        
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        
        .cta-content h2 {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        
        .cta-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 28px;
        }
        
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            padding: 13px 28px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #031A12;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            box-shadow: var(--glow-amber);
            transition: var(--transition);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(245, 158, 11, 0.5);
        }
        
        .btn-secondary {
            padding: 13px 28px;
            border-radius: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(16, 185, 129, 0.12);
            border: 1px solid var(--border-green);
            transition: var(--transition);
        }
        
        .btn-secondary:hover {
            background: rgba(16, 185, 129, 0.2);
            border-color: var(--accent-green);
        }
        
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--accent-amber), var(--accent-amber-dark));
            border: 2px solid var(--accent-amber);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #031A12;
            opacity: 0.8;
            transition: var(--transition);
            animation: fabFloat 3s ease-in-out infinite;
        }
        
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            animation-play-state: paused;
        }
        
        .fab:active {
            transform: scale(0.95) translateY(2px);
        }
        
        .fab .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            background: #DC2626;
            border-radius: 50%;
            border: 2px solid #FFFFFF;
        }
        
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        
        /* Footer */
        .site-footer {
            padding: var(--spacing-lg) 0 32px;
            background: var(--primary-deep);
            border-top: 1px solid var(--border-dark);
        }
        
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-soft);
            margin-bottom: 32px;
        }
        
        .footer-brand .logo-text {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        
        .footer-payments {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .payment-badge {
            font-size: 0.7rem;
            font-weight: 500;
            padding: 5px 12px;
            border-radius: 8px;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid var(--border-green);
            color: var(--text-muted);
            white-space: nowrap;
        }
        
        .footer-col h4 {
            font-family: var(--font-display);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        
        .footer-col ul a:hover {
            color: var(--accent-amber);
        }
        
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        
        .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        
        .legal-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .legal-links a {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        .legal-links a:hover {
            color: var(--accent-amber);
        }
        
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            
            .hero-right {
                order: -1;
            }
            
            .hero-image-wrap img {
                height: 300px;
            }
            
            .card-grid,
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .card-grid.four {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(3, 26, 18, 0.98);
                padding: 20px 24px;
                gap: 10px;
                border-bottom: 1px solid var(--border-dark);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.3s ease;
                pointer-events: none;
            }
            
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            
            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 12px 16px;
            }
            
            .nav-toggle {
                display: flex;
            }
            
            .hero {
                padding: 110px 0 50px;
            }
            
            .hero-title {
                font-size: 2rem;
            }
            
            .card-grid,
            .news-grid,
            .card-grid.two,
            .card-grid.four {
                grid-template-columns: 1fr;
            }
            
            .roadmap::before {
                left: 20px;
            }
            
            .roadmap-dot {
                width: 44px;
                height: 44px;
                font-size: 1rem;
            }
            
            .roadmap-item {
                gap: 14px;
            }
            
            .compare-table th,
            .compare-table td {
                padding: 12px 14px;
                font-size: 0.8rem;
            }
            
            .section {
                padding: 48px 0;
            }
            
            .section-header h2 {
                font-size: 1.5rem;
            }
            
            .hero-image-wrap img {
                height: 240px;
            }
        }
        
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            
            .nav-container {
                padding: 0 16px;
                min-height: 64px;
            }
            
            .nav-logo .logo-text strong {
                font-size: 0.9rem;
            }
            
            .nav-logo .logo-text span {
                font-size: 0.62rem;
            }
            
            .nav-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 10px;
            }
            
            .btn-login,
            .btn-signup {
                padding: 6px 12px;
                font-size: 0.8rem;
                border-radius: 8px;
            }
            
            .hero-title {
                font-size: 1.6rem;
            }
            
            .hero-subtitle {
                font-size: 0.9rem;
            }
            
            .timeline-node {
                font-size: 0.72rem;
                padding: 4px 10px;
            }
            
            .subscribe-form {
                flex-direction: column;
            }
            
            .subscribe-form input {
                min-width: 100%;
            }
            
            .btn-subscribe {
                width: 100%;
                text-align: center;
            }
            
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            
            .legal-links {
                justify-content: center;
            }
            
            .cta-content h2 {
                font-size: 1.5rem;
            }
            
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 0.75rem;
                bottom: 5rem;
            }
            
            .compare-table {
                font-size: 0.75rem;
            }
            
            .compare-table th,
            .compare-table td {
                padding: 10px 8px;
            }
        }