/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFB0;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.7);
            --card-hover-bg: rgba(25, 80, 45, 0.85);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        ul {
            list-style: none;
        }

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 0;
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.3;
            max-width: 280px;
            flex-shrink: 0;
        }

        .logo a {
            color: var(--accent-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 20px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            background: transparent;
        }

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

        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero Section */
        .hero {
            padding-top: 120px;
            padding-bottom: 80px;
            background: radial-gradient(ellipse at 50% 40%, rgba(255, 215, 0, 0.08) 0%, transparent 70%), linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid rgba(211, 47, 47, 0.5);
            color: #FF6B6B;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            animation: pulse-badge 2s infinite;
            margin-bottom: 24px;
        }

        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.4); }
            50% { box-shadow: 0 0 0 12px rgba(211, 47, 47, 0); }
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }

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

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 600px;
        }

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

        .btn-primary {
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--accent-red), #E53935);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.7);
            transform: translateY(-2px);
        }

        .btn-secondary {
            padding: 14px 36px;
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }

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

        .countdown-bar {
            display: flex;
            gap: 20px;
            margin-top: 28px;
            background: rgba(0, 0, 0, 0.4);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            border: 1px solid rgba(255, 215, 0, 0.25);
            align-items: center;
            flex-wrap: wrap;
        }

        .countdown-item {
            text-align: center;
            min-width: 50px;
        }

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

        .countdown-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Section Styles */
        section {
            padding: 72px 0;
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 700px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.65;
        }

        /* Category Grid */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .category-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: left;
            transition: var(--transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: var(--transition);
        }

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

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

        .category-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--accent-gold);
        }

        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #FFFFFF;
        }

        .category-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* Steps Section */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            align-items: start;
        }

        .step-card {
            text-align: left;
            padding: 28px;
            border-left: 3px solid var(--accent-gold);
        }

        .step-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--accent-gold);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 8px;
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #FFFFFF;
        }

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

        /* Objection FAQ Grid */
        .objection-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .objection-item {
            background: var(--card-bg);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
        }

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

        .objection-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }

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

        /* News List */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            padding: 20px 0;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }

        .news-item:hover {
            padding-left: 12px;
        }

        .news-item a {
            display: block;
            font-weight: 600;
            font-size: 1.05rem;
            color: #FFFFFF;
            margin-bottom: 6px;
            line-height: 1.4;
        }

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

        .news-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .news-sidebar {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-color);
            height: fit-content;
        }

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

        .news-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.04);
        }

        .news-sidebar ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.4;
            display: block;
        }

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

        /* Changelog */
        .changelog-list {
            max-width: 760px;
        }

        .changelog-item {
            padding: 24px 0 24px 28px;
            border-left: 2px solid var(--accent-gold);
            margin-left: 12px;
            position: relative;
        }

        .changelog-item::before {
            content: '';
            position: absolute;
            left: -7px;
            top: 30px;
            width: 12px;
            height: 12px;
            background: var(--accent-gold);
            border-radius: 50%;
        }

        .changelog-date {
            font-size: 0.8rem;
            color: var(--accent-gold);
            font-weight: 600;
            margin-bottom: 6px;
        }

        .changelog-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }

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

        /* Trending Tags */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: flex-start;
        }

        .tag-item {
            padding: 10px 20px;
            background: var(--card-bg);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .tag-item:hover {
            background: var(--card-hover-bg);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        /* Download Section */
        .download-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .download-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: left;
            transition: var(--transition);
        }

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

        .download-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFFFFF;
        }

        .download-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .download-card .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--accent-gold);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
        }

        .download-card .btn-download:hover {
            background: #FFC107;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.5);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 2px solid var(--border-color);
            padding: 48px 0 32px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

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

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

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        .trust-badges {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        .trust-badge {
            padding: 6px 14px;
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--accent-gold);
            font-weight: 600;
        }

        /* FAB */
        .fab {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-dark);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            opacity: 0.8;
            animation: float-fab 3s ease-in-out infinite;
            cursor: pointer;
        }

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

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

        .fab-icon {
            font-size: 1.6rem;
            color: var(--accent-gold);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.2rem; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .news-layout { grid-template-columns: 1fr; }
            .download-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .steps-grid { grid-template-columns: 1fr; gap: 20px; }
        }

        @media (max-width: 768px) {
            .header-inner { height: 60px; }
            .nav-links { display: none; }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                padding: 20px;
                gap: 4px;
                border-bottom: 2px solid var(--accent-gold);
            }
            .mobile-menu-toggle { display: flex; }
            .hero { padding-top: 100px; padding-bottom: 60px; min-height: auto; }
            .hero h1 { font-size: 1.8rem; }
            .hero-desc { font-size: 0.95rem; }
            .category-grid { grid-template-columns: 1fr; }
            .objection-grid { grid-template-columns: 1fr; }
            .section-header h2 { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .countdown-bar { gap: 12px; padding: 12px 16px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 1.5rem; }
            .hero-cta-group { flex-direction: column; width: 100%; }
            .btn-primary, .btn-secondary { width: 100%; text-align: center; justify-content: center; }
            .logo { font-size: 1rem; max-width: 200px; }
            .header-actions .btn-login { padding: 6px 14px; font-size: 0.8rem; }
            .header-actions .btn-signup { padding: 8px 16px; font-size: 0.8rem; }
            .fab { left: 16px; bottom: 80px; width: 48px; height: 48px; }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFB0;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.7);
            --card-hover-bg: rgba(25, 80, 45, 0.85);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 0;
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.3;
            max-width: 280px;
            flex-shrink: 0;
        }

        .logo a {
            color: var(--accent-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 20px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            background: transparent;
        }

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

        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Article Hero */
        .article-hero {
            padding-top: 120px;
            padding-bottom: 60px;
            background: radial-gradient(ellipse at 50% 40%, rgba(255, 215, 0, 0.08) 0%, transparent 70%), linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .article-category-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--accent-gold);
            border-radius: 20px;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 16px;
        }

        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text-primary);
            font-family: var(--font-heading);
            letter-spacing: -0.5px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .article-meta i {
            color: var(--accent-gold);
        }

        /* Article Body Layout */
        .article-main {
            padding: 60px 0;
            background: var(--bg-primary);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }

        /* Article Content */
        .article-content-wrapper {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid rgba(255, 215, 0, 0.15);
            box-shadow: var(--shadow-md);
        }

        .article-content {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 32px 0 16px;
            line-height: 1.3;
            font-family: var(--font-heading);
        }

        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 24px 0 12px;
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

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

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

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

        .article-content a {
            color: var(--accent-gold);
            text-decoration: underline;
            font-weight: 500;
        }

        .article-content a:hover {
            color: #FFC107;
        }

        /* Article Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }

        .sidebar-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 215, 0, 0.2);
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(255, 215, 0, 0.3);
            font-family: var(--font-heading);
        }

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

        .sidebar-card ul li {
            margin-bottom: 12px;
        }

        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            transition: var(--transition);
        }

        .sidebar-card ul li a:hover {
            color: var(--accent-gold);
            padding-left: 8px;
        }

        .sidebar-card ul li a i {
            color: var(--accent-gold);
            font-size: 0.80rem;
        }

        .sidebar-promo-card {
            background: linear-gradient(135deg, var(--accent-red), #B71C1C);
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: left;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .sidebar-promo-card::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 100px;
            height: 100px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: 50%;
        }

        .sidebar-promo-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
            position: relative;
        }

        .sidebar-promo-card p {
            color: #FFF;
            font-size: 0.9rem;
            margin-bottom: 16px;
            position: relative;
        }

        .sidebar-promo-card .btn-promo {
            display: inline-block;
            padding: 10px 20px;
            background: var(--accent-gold);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            position: relative;
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.4);
        }

        .sidebar-promo-card .btn-promo:hover {
            background: #FFC107;
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.6);
        }

        /* CTA Section */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--bg-dark), var(--bg-secondary));
            position: relative;
            text-align: left;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            opacity: 0.08;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 650px;
            background: rgba(18, 62, 37, 0.8);
            backdrop-filter: blur(10px);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        .cta-inner h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

        .cta-inner p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 22px;
            line-height: 1.7;
        }

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

        .btn-primary-cta {
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.5);
        }

        .btn-primary-cta:hover {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.7);
            transform: translateY(-2px);
        }

        .btn-secondary-cta {
            padding: 14px 32px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            border-radius: var(--radius-md);
            font-size: 1rem;
            background: transparent;
        }

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

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 30px;
            border-top: 3px solid rgba(255, 215, 0, 0.4);
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

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

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

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

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

        .footer-col ul li a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .trust-badge {
            display: inline-block;
            padding: 6px 12px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.4);
            border-radius: 20px;
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 600;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--accent-gold);
            font-weight: 500;
        }

        /* Floating Action Button */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 999;
            width: 52px;
            height: 52px;
            background: var(--bg-dark);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: var(--transition);
            animation: floatChip 3s ease-in-out infinite;
        }

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

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

        /* Not Found State */
        .article-not-found {
            text-align: left;
            padding: 60px 20px;
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }

        .btn-back-home {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
        }

        .btn-back-home:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            transform: translateY(-1px);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .sidebar-card,
            .sidebar-promo-card {
                margin-bottom: 0;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(10, 46, 28, 0.98);
                backdrop-filter: blur(20px);
                padding: 20px;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-links.active-mobile {
                display: flex;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-actions {
                gap: 8px;
            }
            .btn-login {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .btn-signup {
                padding: 8px 18px;
                font-size: 0.8rem;
            }
            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-content-wrapper {
                padding: 24px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                padding: 28px;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fab-left {
                left: 16px;
                bottom: 80px;
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1rem;
                max-width: 200px;
            }
            .article-hero h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 10px;
                font-size: 0.8rem;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .btn-primary-cta,
            .btn-secondary-cta {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFB0;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.7);
            --card-hover-bg: rgba(25, 80, 45, 0.85);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: 68px;
        }

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

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

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

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 0;
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.3;
            max-width: 280px;
            flex-shrink: 0;
        }

        .logo a {
            color: var(--accent-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 20px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            background: transparent;
        }

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

        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Section Styles */
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 48px;
            line-height: 1.7;
        }

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

        /* Hero */
        .hero {
            background: radial-gradient(ellipse at 50% 40%, rgba(255, 215, 0, 0.06) 0%, transparent 70%), linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            min-height: 500px;
            display: flex;
            align-items: center;
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.1;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(211, 47, 47, 0.15);
            border: 1px solid var(--accent-red);
            color: var(--accent-red);
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 0.8rem;
        }

        .hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 24px;
        }

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

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

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

        .hero-stats div strong {
            display: block;
            font-size: 1.8rem;
            color: var(--accent-gold);
            font-weight: 700;
        }

        .hero-stats div span {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }

        /* Steps Section */
        .steps-section {
            padding: 80px 0;
            background: var(--bg-dark);
        }

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

        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: var(--transition);
            text-align: left;
        }

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

        .step-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            opacity: 0.4;
            margin-bottom: 12px;
        }

        .step-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* Strategy Section */
        .strategy-section {
            padding: 80px 0;
        }

        .strategy-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 72px;
        }

        .strategy-block:last-child {
            margin-bottom: 0;
        }

        .strategy-content h3 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

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

        .strategy-list {
            list-style: none;
            padding: 0;
        }

        .strategy-list li {
            display: flex;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            align-items: baseline;
        }

        .strategy-list li i {
            color: var(--accent-gold);
            font-size: 0.8rem;
            margin-top: 6px;
        }

        .strategy-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

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

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

        .faq-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }

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

        .faq-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--accent-gold);
        }

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

        /* CTA Banner */
        .cta-banner {
            padding: 80px 0;
            text-align: left;
            background: radial-gradient(ellipse at 50% 50%, rgba(211, 47, 47, 0.1) 0%, transparent 70%);
        }

        .cta-box {
            background: var(--card-bg);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-xl);
            padding: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 32px;
            backdrop-filter: blur(10px);
        }

        .cta-box h3 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
        }

        .cta-box p {
            color: var(--text-secondary);
            font-size: 1.05rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

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

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .trust-badge {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-color);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        /* FAB */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--bg-dark);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: float 3s ease-in-out infinite;
            transition: var(--transition);
            opacity: 0.8;
        }

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

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid, .strategy-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links, .header-actions {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .steps-grid, .faq-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFB0;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.7);
            --card-hover-bg: rgba(25, 80, 45, 0.85);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 0;
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.3;
            max-width: 280px;
            flex-shrink: 0;
        }

        .logo a {
            color: var(--accent-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 20px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            background: transparent;
        }

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

        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hero {
            padding-top: 120px;
            padding-bottom: 80px;
            background: radial-gradient(ellipse at 50% 40%, rgba(255, 215, 0, 0.08) 0%, transparent 70%), linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            min-height: 500px;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
            line-height: 1.25;
        }

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

        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            text-align: left;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            text-align: left;
            max-width: 700px;
        }

        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }

        .promo-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .promo-card:hover {
            background: var(--card-hover-bg);
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }

        .promo-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .promo-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-red);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .promo-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

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

        .promo-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .promo-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--accent-gold);
            font-weight: 600;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
        }

        .step-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: left;
            border: 1px solid transparent;
            transition: var(--transition);
            position: relative;
        }

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

        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            opacity: 0.3;
            margin-bottom: 8px;
            line-height: 1;
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        .faq-list {
            max-width: 800px;
            text-align: left;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            padding: 20px 24px;
            transition: var(--transition);
        }

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

        .faq-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .faq-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .cta-section {
            background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-dark) 100%);
            padding: 60px 0;
            text-align: center;
            border-top: 1px solid var(--border-color);
        }

        .cta-section h2 {
            font-size: 1.8rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .cta-section p {
            color: var(--text-muted);
            margin-bottom: 28px;
        }

        .btn-cta-gold {
            display: inline-block;
            padding: 14px 40px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
        }

        .btn-cta-gold:hover {
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

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

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .trust-badge {
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-color);
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .promo-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 50px 0;
            }
            .hero {
                padding-top: 100px;
                padding-bottom: 50px;
                min-height: 400px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFB0;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.7);
            --card-hover-bg: rgba(25, 80, 45, 0.85);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 0;
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.3;
            max-width: 280px;
            flex-shrink: 0;
        }

        .logo a {
            color: var(--accent-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 20px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            background: transparent;
        }

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

        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Page Hero */
        .page-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(ellipse at 50% 40%, rgba(255, 215, 0, 0.08) 0%, transparent 70%), linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            min-height: 550px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
        }

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

        .page-hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--accent-gold);
            margin-bottom: 20px;
            font-family: var(--font-heading);
        }

        .page-hero-text .subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .page-hero-stats {
            display: flex;
            gap: 30px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .page-hero-stat {
            text-align: left;
        }

        .page-hero-stat .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1;
        }

        .page-hero-stat .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

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

        .page-hero-visual img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            max-width: 100%;
            border: 2px solid var(--border-color);
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
            box-shadow: 0 4px 24px rgba(255, 215, 0, 0.5);
            transition: var(--transition);
            border: none;
        }

        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.7);
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-md);
            margin-left: 16px;
            transition: var(--transition);
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 215, 0, 0.12);
        }

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

        .section-dark {
            background-color: var(--bg-dark);
        }

        .section-header {
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 700px;
            line-height: 1.7;
        }

        /* Step Cards */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
        }

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

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--bg-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            margin-bottom: 18px;
        }

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

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

        /* Device Cards */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .device-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px 30px;
            text-align: left;
            transition: var(--transition);
        }

        .device-card.featured {
            border-color: var(--accent-gold);
            background: var(--card-hover-bg);
            box-shadow: var(--shadow-gold);
        }

        .device-card .device-icon {
            font-size: 2.8rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
        }

        .device-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .device-card .device-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(211, 47, 47, 0.2);
            border: 1px solid var(--accent-red);
            color: var(--accent-red);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .device-card ul {
            list-style: none;
            padding: 0;
            margin: 20px 0;
        }

        .device-card ul li {
            padding: 6px 0;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
        }

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

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 1rem;
            margin-top: 16px;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
            width: 100%;
            justify-content: center;
        }

        .btn-download:hover {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.55);
            transform: translateY(-2px);
        }

        /* Benefit List */
        .benefit-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            list-style: none;
            padding: 0;
        }

        .benefit-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px;
            background: rgba(255, 215, 0, 0.04);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .benefit-list li:hover {
            background: rgba(255, 215, 0, 0.08);
        }

        .benefit-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--bg-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .benefit-text strong {
            display: block;
            color: var(--text-primary);
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .benefit-text span {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

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

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

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

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question i {
            color: var(--accent-gold);
            transition: transform 0.3s;
        }

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
            font-size: 0.95rem;
        }

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

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

        /* CTA Section */
        .cta-section {
            background: var(--bg-secondary);
            padding: 70px 0;
            text-align: center;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

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

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 30px;
            border-top: 2px solid var(--border-color);
        }

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

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

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

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

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

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

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

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .trust-badge {
            padding: 6px 14px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-gold);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }

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

        /* FAB */
        .fab {
            position: fixed;
            left: 20px;
            bottom: 30px;
            z-index: 99;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-dark);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.6rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
            animation: float 3s ease-in-out infinite;
        }

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

        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }

            50% {
                transform: translateY(-6px);
            }
        }

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

            .page-hero-stats {
                justify-content: center;
            }

            .page-hero-stat {
                text-align: center;
            }

            .page-hero-visual {
                order: -1;
            }

            .page-hero-visual img {
                max-width: 300px;
                margin: 0 auto;
            }

            .btn-hero-secondary {
                margin-left: 0;
                margin-top: 12px;
            }

            .benefit-list {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 0;
            }

            .logo {
                font-size: 1rem;
                max-width: 220px;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 46, 28, 0.98);
                padding: 16px 0;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                border-bottom: 1px solid var(--border-color);
                gap: 4px;
            }

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

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

            .header-actions {
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

            .page-hero {
                padding-top: 120px;
                padding-bottom: 50px;
            }

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

            .section {
                padding: 50px 0;
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

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

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 20px;
            }
        }

        @media (max-width: 520px) {
            .page-hero-text h1 {
                font-size: 1.7rem;
            }

            .page-hero-stat .stat-number {
                font-size: 1.5rem;
            }

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

            .container {
                padding: 0 16px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #062315;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: #8FBFB0;
            --border-color: rgba(255, 215, 0, 0.3);
            --card-bg: rgba(18, 62, 37, 0.7);
            --card-hover-bg: rgba(25, 80, 45, 0.85);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            padding: 0;
            transition: var(--transition);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--accent-gold);
            letter-spacing: -0.3px;
            line-height: 1.3;
            max-width: 280px;
            flex-shrink: 0;
        }

        .logo a {
            color: var(--accent-gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.925rem;
            color: var(--text-secondary);
            position: relative;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 8px 20px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            background: transparent;
        }

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

        .btn-signup {
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            box-shadow: 0 2px 12px rgba(255, 215, 0, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.6);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero Section */
        .page-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(ellipse at 50% 40%, rgba(255, 215, 0, 0.06) 0%, transparent 70%), linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            position: relative;
            min-height: 500px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            opacity: 0.1;
            pointer-events: none;
        }

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

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

        .hero-text h1 .highlight {
            color: var(--accent-gold);
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .hero-benefits {
            list-style: none;
            padding: 0;
            margin-bottom: 32px;
        }

        .hero-benefits li {
            padding: 8px 0 8px 28px;
            position: relative;
            color: var(--text-secondary);
            font-size: 1rem;
        }

        .hero-benefits li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

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

        .btn-primary {
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 1rem;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.6);
            transform: translateY(-2px);
        }

        .btn-outline {
            padding: 14px 32px;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-weight: 600;
            border-radius: var(--radius-md);
            font-size: 1rem;
            background: transparent;
        }

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

        .trust-strip {
            display: flex;
            gap: 20px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .trust-strip span {
            color: var(--text-muted);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .trust-strip span i {
            color: var(--accent-gold);
        }

        .hero-image {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 2px solid var(--border-color);
        }

        /* Values / Stats Section */
        .stats-section {
            padding: 60px 0;
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            font-family: var(--font-heading);
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 6px;
        }

        /* Content Section */
        .content-section {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.7;
            max-width: 800px;
        }

        /* Step Guide */
        .step-guide {
            display: flex;
            flex-direction: column;
            gap: 36px;
            margin-bottom: 40px;
        }

        .step-item {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 28px;
            padding: 28px 32px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: start;
        }

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

        .step-number {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, var(--accent-gold), #FFC107);
            color: var(--bg-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            flex-shrink: 0;
        }

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

        .step-body p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .step-body .step-tip {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 4px;
        }

        /* Tips Grid */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .tip-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: var(--transition);
        }

        .tip-card:hover {
            background: var(--card-hover-bg);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }

        .tip-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            color: var(--accent-gold);
            font-size: 1.4rem;
        }

        .tip-card h4 {
            font-family: var(--font-heading);
            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;
        }

        /* Video / Visual Section */
        .visual-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            padding: 60px 0;
        }

        .visual-block.reverse {
            direction: rtl;
        }

        .visual-block.reverse>* {
            direction: ltr;
        }

        .visual-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }

        .visual-text h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .visual-text p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .visual-text ul {
            list-style: none;
            padding: 0;
        }

        .visual-text ul li {
            padding: 6px 0 6px 24px;
            position: relative;
            color: var(--text-secondary);
        }

        .visual-text ul li::before {
            content: '\f054';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-gold);
            font-size: 0.75rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 70%), var(--bg-dark);
            border-radius: var(--radius-xl);
            margin: 40px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

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

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FAQ Section */
        .faq-section {
            padding: 80px 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1.05rem;
            text-align: left;
            font-family: var(--font-body);
        }

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

        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

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

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

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 30px;
            border-top: 2px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .footer-brand-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

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

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

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

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

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

        .trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .trust-badge {
            display: inline-block;
            padding: 6px 14px;
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-sm);
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 215, 0, 0.05);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

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

        /* FAB */
        .fab-left {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, var(--bg-dark), #1a1a1a);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: floatSlow 3s ease-in-out infinite;
            cursor: pointer;
            transition: var(--transition);
        }

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

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

        /* Mobile Styles */
        @media (max-width: 1024px) {
            .hero-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .visual-block {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .visual-block.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                font-size: 0.8rem;
                padding: 6px 14px;
            }
            .hero-layout {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .page-hero {
                padding-top: 120px;
                padding-bottom: 60px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .visual-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 50px 20px;
            }
            .step-item {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
            .hero-actions {
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .fab-left {
                width: 44px;
                height: 44px;
                left: 12px;
                bottom: 80px;
                font-size: 1.1rem;
            }
        }