/* roulang page: index */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-dark: #1A1A1A;
            --border-gold: #B8860B;
            --shadow-gold: 0 4px 15px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0,0,0,0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s ease;
            --font-main: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --font-heading: 'Georgia', 'Times New Roman', serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-gold);
            z-index: 1000;
            padding: 12px 0;
            transition: var(--transition);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--accent-gold);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }
        .logo span {
            color: var(--text-white);
            font-size: 0.9rem;
            font-weight: 400;
            background: var(--accent-red);
            padding: 2px 8px;
            border-radius: 20px;
            margin-left: 5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.3s;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .btn-login:hover {
            background: rgba(255,215,0,0.1);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: none;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
            box-shadow: var(--shadow-gold);
        }
        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,215,0,0.5);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Hero */
        .hero {
            padding: 140px 0 80px;
            background: radial-gradient(circle at 20% 30%, #1B4D2E, var(--bg-primary));
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,215,0,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            color: var(--accent-gold);
            margin-bottom: 20px;
            line-height: 1.3;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
            position: relative;
            z-index: 1;
        }
        .hero .subtitle {
            font-size: 1.2rem;
            color: var(--text-mint);
            max-width: 700px;
            margin: 0 auto 30px;
            position: relative;
            z-index: 1;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-primary {
            background: var(--accent-gold);
            color: var(--bg-primary);
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: var(--shadow-gold);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: #FFC107;
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255,215,0,0.6);
        }
        .btn-secondary {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            text-decoration: none;
            transition: var(--transition);
        }
        .btn-secondary:hover {
            background: rgba(255,215,0,0.1);
            transform: translateY(-3px);
        }
        /* Section Styles */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            color: var(--accent-gold);
            text-align: center;
            margin-bottom: 15px;
        }
        .section-subtitle {
            color: var(--text-mint);
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
            font-size: 1.1rem;
        }
        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        .feature-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
            border-color: var(--accent-gold);
        }
        .feature-card .icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--accent-gold);
        }
        .feature-card h3 {
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-mint);
            font-size: 0.95rem;
        }
        .tag {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent-red);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: bold;
            text-transform: uppercase;
        }
        /* Steps */
        .steps-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            margin-top: 40px;
        }
        .step {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 25px;
            flex: 1 1 250px;
            max-width: 300px;
            text-align: center;
            transition: var(--transition);
        }
        .step:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
        }
        .step-number {
            background: var(--accent-gold);
            color: var(--bg-primary);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
            margin: 0 auto 15px;
        }
        .step h4 {
            color: var(--accent-gold);
            margin-bottom: 10px;
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 40px auto 0;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            margin-bottom: 15px;
            overflow: hidden;
        }
        .faq-question {
            padding: 20px;
            font-weight: 600;
            color: var(--accent-gold);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: rgba(255,215,0,0.05);
        }
        .faq-answer {
            padding: 0 20px 20px;
            color: var(--text-mint);
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question {
            border-bottom: 1px solid var(--border-gold);
        }
        /* CMS List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }
        .news-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition);
        }
        .news-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-card);
        }
        .news-card h4 {
            color: var(--accent-gold);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        .news-card .meta {
            color: var(--text-mint);
            font-size: 0.85rem;
            margin-bottom: 10px;
        }
        .news-card p {
            color: var(--text-mint);
            font-size: 0.9rem;
        }
        .news-card a {
            color: var(--accent-gold);
            text-decoration: none;
            font-weight: 600;
            display: inline-block;
            margin-top: 10px;
        }
        .news-card a:hover {
            text-decoration: underline;
        }
        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, #1B4D2E, #0A2E1C);
            border: 1px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 50px 30px;
            text-align: center;
            margin: 60px 0;
        }
        .cta-banner h2 {
            color: var(--accent-gold);
            font-size: 2rem;
            margin-bottom: 15px;
        }
        .cta-banner p {
            color: var(--text-mint);
            margin-bottom: 25px;
        }
        /* Footer */
        .footer {
            background: #051A10;
            border-top: 2px solid var(--border-gold);
            padding: 50px 0 20px;
            color: var(--text-mint);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h5 {
            color: var(--accent-gold);
            margin-bottom: 15px;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-mint);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid var(--border-gold);
            padding-top: 20px;
            font-size: 0.9rem;
        }
        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-weight: bold;
            margin-right: 10px;
        }
        .payment-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 15px;
        }
        .payment-badges span {
            background: rgba(255,215,0,0.1);
            border: 1px solid var(--accent-gold);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--accent-gold);
        }
        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--bg-primary);
                position: absolute;
                top: 70px;
                left: 0;
                padding: 20px;
                border-bottom: 1px solid var(--border-gold);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                margin-left: auto;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 120px 0 60px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .btn-primary, .btn-secondary {
                padding: 12px 25px;
                font-size: 0.9rem;
            }
        }

.timeline { position: relative; max-width: 800px; margin: 40px auto 0; }
        .timeline::before { content: ''; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background: var(--accent-gold); }
        .timeline-item { position: relative; padding-left: 50px; margin-bottom: 30px; }
        .timeline-date { position: absolute; left: 0; top: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--accent-gold); color: var(--bg-primary); display: flex; align-items: center; justify-content: center; font-weight: bold; }
        .timeline-content { background: rgba(255,255,255,0.05); border: 1px solid var(--border-gold); border-radius: var(--radius-md); padding: 20px; }
        .timeline-content h3 { color: var(--accent-gold); margin-bottom: 10px; }
        .timeline-content p { color: var(--text-mint); }

.milestones-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; margin-top: 40px; }
        .milestone-card { border: 1px solid var(--border-gold); border-radius: var(--radius-md); padding: 25px; transition: var(--transition); position: relative; overflow: hidden; }
        .milestone-card:hover { border-color: var(--accent-gold); box-shadow: var(--shadow-card); transform: translateY(-5px); }
        .milestone-year { display: inline-block; background: var(--accent-gold); color: var(--bg-primary); padding: 4px 12px; border-radius: 20px; font-weight: bold; margin-bottom: 10px; }
        .milestone-card h3 { color: var(--accent-gold); margin-bottom: 10px; font-size: 1.2rem; }
        .milestone-card p { color: var(--text-mint); }

.scenario-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; align-items: center; }
        .scenario-text h3 { color: var(--accent-gold); margin: 15px 0 8px; font-size: 1.2rem; }
        .scenario-text p { color: var(--text-mint); margin-bottom: 15px; }
        .scenario-visual { min-height: 300px; border: 1px solid var(--border-gold); border-radius: var(--radius-lg); }
        @media (max-width: 768px) {
            .scenario-layout { grid-template-columns: 1fr; }
            .scenario-visual { min-height: 200px; }
        }

/* roulang page: article */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --deep-bg: #071D12;
            --card-bg: #0F3422;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE44D;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A9C4BA;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-mint: rgba(209, 242, 235, 0.15);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-main: 'Be Vietnam Pro', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --container-max: 1200px;
            --section-gap: 64px;
            --navbar-height: 72px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--text-mint);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        button {
            font-family: var(--font-main);
            cursor: pointer;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }
        ul, ol {
            list-style-position: inside;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        main {
            flex: 1;
            padding-top: var(--navbar-height);
        }

        /* ===== Header & Navbar ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: linear-gradient(180deg, rgba(7, 29, 18, 0.98) 0%, rgba(10, 46, 28, 0.96) 100%);
            border-bottom: 1px solid var(--border-gold);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            height: var(--navbar-height);
            flex-wrap: nowrap;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 20px;
            font-weight: 800;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }
        .logo span {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            line-height: 1.4;
        }
        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-mint);
            font-size: 26px;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-mint);
            transition: background var(--transition-fast), color var(--transition-fast);
            line-height: 1;
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-gold) transparent;
        }
        .nav-links::-webkit-scrollbar {
            height: 4px;
        }
        .nav-links::-webkit-scrollbar-thumb {
            background: var(--border-gold);
            border-radius: 10px;
        }
        .nav-links li {
            flex-shrink: 0;
        }
        .nav-links li a {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-mint);
            border-radius: 50px;
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
        }
        .nav-links li a.active {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(211, 47, 47, 0.12));
            color: var(--accent-gold);
            font-weight: 700;
            border: 1px solid var(--border-gold);
            box-shadow: 0 0 12px rgba(255, 215, 0, 0.18);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 50px;
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold-light);
            box-shadow: var(--shadow-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #071D12;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 700;
            border-radius: 50px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: 0 8px 22px rgba(255, 215, 0, 0.45);
            color: #071D12;
        }
        .btn-signup:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        /* ===== Hero / Banner ===== */
        .article-hero {
            position: relative;
            padding: 56px 0 44px;
            background-image: linear-gradient(180deg, rgba(7, 29, 18, 0.94) 0%, rgba(10, 46, 28, 0.88) 55%, var(--primary-bg) 100%),
                              url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-gold);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb .separator {
            color: var(--border-gold);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--accent-gold);
            font-weight: 600;
        }
        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.7rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin-bottom: 18px;
            max-width: 800px;
            color: var(--text-white);
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-meta .tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 4px 14px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 13px;
        }
        .article-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .dot {
            width: 4px;
            height: 4px;
            background: var(--accent-gold);
            border-radius: 50%;
            display: inline-block;
        }

        /* ===== Article Main Layout ===== */
        .article-main {
            padding: 40px 0 56px;
            background: var(--primary-bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 40px;
            align-items: start;
        }
        .article-card {
            background: var(--card-bg);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base);
        }
        .article-card:hover {
            border-color: var(--border-gold);
        }
        .article-content {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-mint);
        }
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin: 28px 0 14px;
            line-height: 1.35;
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 24px 0 12px;
            line-height: 1.4;
        }
        .article-content h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-mint);
            margin: 20px 0 10px;
        }
        .article-content p {
            margin-bottom: 16px;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 18px 22px;
            padding: 0;
        }
        .article-content li {
            margin-bottom: 8px;
            padding-left: 6px;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-mint);
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.06);
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--text-mint);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 15px;
        }
        .article-content table th,
        .article-content table td {
            padding: 12px 16px;
            border: 1px solid var(--border-mint);
            text-align: left;
        }
        .article-content table th {
            background: rgba(255, 215, 0, 0.1);
            color: var(--accent-gold);
            font-weight: 700;
        }
        .article-content a {
            color: var(--accent-gold);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--accent-gold-light);
        }
        .not-found {
            text-align: left;
            padding: 40px 20px;
        }
        .not-found h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 14px;
        }
        .not-found p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #071D12;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 50px;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
            box-shadow: 0 8px 22px rgba(255, 215, 0, 0.45);
            color: #071D12;
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        /* ===== Sidebar ===== */
        .sidebar-widget {
            background: var(--card-bg);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-card);
            transition: border-color var(--transition-base);
        }
        .sidebar-widget:hover {
            border-color: var(--border-gold);
        }
        .sidebar-widget h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget .widget-img {
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            border: 1px solid var(--border-mint);
            overflow: hidden;
        }
        .sidebar-widget .widget-img img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .sidebar-widget .widget-img:hover img {
            transform: scale(1.04);
        }
        .sidebar-widget p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 12px;
        }
        .sidebar-widget .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-widget .step-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 14px;
            color: var(--text-mint);
            line-height: 1.55;
        }
        .sidebar-widget .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #071D12;
            font-weight: 700;
            font-size: 13px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .sidebar-widget .quick-tip {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 12px;
            background: rgba(255, 215, 0, 0.06);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            font-size: 14px;
            color: var(--text-mint);
            line-height: 1.5;
            border-left: 3px solid var(--accent-gold);
        }
        .sidebar-widget .quick-tip .icon {
            font-size: 16px;
            flex-shrink: 0;
        }
        .payment-badges-sidebar {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }
        .payment-badges-sidebar span {
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 6px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 50px;
            white-space: nowrap;
        }

        /* ===== Quick Tips Section ===== */
        .quick-tips-section {
            padding: 56px 0;
            background: linear-gradient(180deg, var(--primary-bg) 0%, var(--secondary-bg) 100%);
            border-top: 1px solid var(--border-mint);
            border-bottom: 1px solid var(--border-mint);
        }
        .section-header {
            margin-bottom: 32px;
            max-width: 640px;
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .section-header h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 10px;
            line-height: 1.6;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .tip-card {
            background: var(--card-bg);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .tip-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .tip-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-gold);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
        }
        .tip-card:hover::before {
            opacity: 1;
        }
        .tip-card .tip-icon {
            font-size: 32px;
            margin-bottom: 14px;
            display: block;
        }
        .tip-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .tip-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 56px 0;
            background: var(--deep-bg);
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-white);
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
            border: none;
        }
        .faq-question:hover {
            background: rgba(255, 215, 0, 0.04);
        }
        .faq-question .faq-icon {
            font-size: 20px;
            color: var(--accent-gold);
            transition: transform var(--transition-base);
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 600px;
            padding: 0 22px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--deep-bg) 100%);
            border-top: 1px solid var(--border-gold);
            text-align: left;
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(211, 47, 47, 0.08));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-gold);
        }
        .cta-box-content {
            flex: 1;
            min-width: 260px;
        }
        .cta-box-content h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-box-content p {
            font-size: 16px;
            color: var(--text-mint);
            line-height: 1.65;
            max-width: 560px;
        }
        .cta-box-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-outline-gold {
            display: inline-block;
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 50px;
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold-light);
            box-shadow: var(--shadow-gold);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--deep-bg);
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 24px;
            color: var(--text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h5 {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .badge-18 {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-weight: 800;
            font-size: 13px;
            padding: 4px 10px;
            border-radius: 50px;
            margin-right: 8px;
        }
        .footer-col .responsible-note {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badges span {
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 6px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 50px;
            white-space: nowrap;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-mint);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom p {
            line-height: 1.6;
        }

        /* ===== Floating Action Button ===== */
        .floating-btn {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 25%, #2E4A34, #071D12);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: opacity var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
            animation: fabFloat 3s ease-in-out infinite;
            text-decoration: none;
            color: var(--accent-gold);
        }
        .floating-btn::after {
            content: '';
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: var(--accent-red);
            border: 2px solid var(--deep-bg);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(211, 47, 47, 0.7);
        }
        .floating-btn:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }
        .floating-btn:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }
        @keyframes fabFloat {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-6px);
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .sidebar-widget {
                margin-bottom: 0;
            }
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --navbar-height: 64px;
                --section-gap: 44px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--navbar-height);
                left: 0;
                right: 0;
                background: linear-gradient(180deg, rgba(7, 29, 18, 0.99), rgba(10, 46, 28, 0.99));
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border-gold);
                display: none;
                overflow-y: auto;
                max-height: calc(100vh - var(--navbar-height));
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                padding: 14px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
                border: none;
            }
            .nav-links li a.active {
                background: rgba(255, 215, 0, 0.1);
                border: 1px solid var(--border-gold);
                box-shadow: none;
            }
            .nav-actions {
                gap: 6px;
            }
            .btn-login {
                padding: 7px 12px;
                font-size: 13px;
            }
            .btn-signup {
                padding: 7px 14px;
                font-size: 13px;
            }
            .article-hero {
                padding: 36px 0 28px;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-main {
                padding: 24px 0 36px;
            }
            .article-card {
                padding: 20px 18px;
            }
            .article-content {
                font-size: 16px;
            }
            .article-content h2 {
                font-size: 1.3rem;
            }
            .article-content h3 {
                font-size: 1.15rem;
            }
            .article-sidebar {
                display: flex;
                flex-direction: column;
                gap: 18px;
            }
            .sidebar-widget {
                padding: 20px 16px;
            }
            .sidebar-widget .widget-img img {
                height: 130px;
            }
            .quick-tips-section {
                padding: 40px 0;
            }
            .tips-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .tip-card {
                padding: 20px 16px;
            }
            .faq-section {
                padding: 40px 0;
            }
            .faq-question {
                padding: 15px 16px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
            .cta-section {
                padding: 40px 0;
            }
            .cta-box {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .cta-box-actions {
                width: 100%;
            }
            .cta-box-actions .btn-primary,
            .cta-box-actions .btn-outline-gold {
                width: 100%;
                text-align: center;
            }
            .footer {
                padding: 36px 0 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .floating-btn {
                left: 12px;
                bottom: 76px;
                width: 48px;
                height: 48px;
                font-size: 20px;
            }
        }
        @media (max-width: 520px) {
            .navbar {
                gap: 10px;
            }
            .logo {
                font-size: 17px;
            }
            .logo span {
                font-size: 10px;
                padding: 2px 6px;
            }
            .btn-login {
                padding: 6px 10px;
                font-size: 12px;
            }
            .btn-signup {
                padding: 6px 12px;
                font-size: 12px;
            }
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .breadcrumb {
                font-size: 13px;
                gap: 4px;
            }
            .article-meta {
                gap: 10px;
                font-size: 13px;
            }
            .article-card {
                padding: 16px 14px;
                border-radius: var(--radius-md);
            }
            .sidebar-widget .widget-img img {
                height: 110px;
            }
            .cta-box {
                padding: 22px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-box-content h2 {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --deep-jade: #0A2E1C;
            --forest-green: #123E25;
            --jade-mid: #1B5A36;
            --imperial-gold: #FFD700;
            --dark-gold: #C5A059;
            --lucky-red: #D32F2F;
            --soft-red: #E53935;
            --white: #FFFFFF;
            --pale-mint: #D1F2EB;
            --soft-mint-border: rgba(209, 242, 235, 0.18);
            --dark-bg: #081A11;
            --charcoal: #07150D;
            --footer-bg: #05110A;
            --text-muted: #8ED1B9;
            --shadow-gold: 0 8px 32px rgba(255, 215, 0, 0.18);
            --shadow-soft: 0 6px 20px rgba(0, 0, 0, 0.35);
            --border-radius-lg: 20px;
            --border-radius-md: 14px;
            --border-radius-sm: 8px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            --font-heading: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

        a {
            text-decoration: none;
            color: var(--imperial-gold);
            transition: var(--transition);
        }
        a:hover {
            color: #FFF0A0;
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Typography */
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--white);
            margin-bottom: 0.75rem;
        }

        h1 {
            font-size: 2.75rem;
            letter-spacing: -0.5px;
        }

        h2 {
            font-size: 2rem;
            letter-spacing: -0.3px;
        }

        h3 {
            font-size: 1.35rem;
        }

        .section-title {
            font-size: 1.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--white);
            position: relative;
            padding-bottom: 0.75rem;
        }

        .section-title .highlight {
            color: var(--imperial-gold);
        }

        .section-subtitle {
            color: var(--pale-mint);
            font-size: 1.05rem;
            max-width: 680px;
            margin-bottom: 2.25rem;
            line-height: 1.65;
        }

        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: rgba(8, 26, 17, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.2);
            padding: 0;
            transition: var(--transition);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            flex-wrap: nowrap;
            gap: 16px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--imperial-gold) !important;
            white-space: nowrap;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo span {
            font-size: 0.7rem;
            background: var(--lucky-red);
            color: var(--white);
            padding: 3px 7px;
            border-radius: 4px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .nav-links {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 28px;
            margin: 0;
            padding: 0;
        }
        .nav-links a {
            color: var(--pale-mint);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--imperial-gold);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--imperial-gold);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-login {
            background: transparent;
            color: var(--pale-mint);
            border: 1px solid rgba(209, 242, 235, 0.35);
            padding: 9px 16px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-login:hover {
            border-color: var(--imperial-gold);
            color: var(--imperial-gold);
            background: rgba(255, 215, 0, 0.08);
        }
        .btn-signup {
            background: var(--imperial-gold);
            color: var(--deep-jade);
            border: none;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.92rem;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
            transition: var(--transition);
        }
        .btn-signup:hover {
            background: #FFE44D;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.45);
        }
        .btn-signup:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(209, 242, 235, 0.3);
            color: var(--white);
            font-size: 1.4rem;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .mobile-menu-toggle:hover {
            border-color: var(--imperial-gold);
            color: var(--imperial-gold);
        }

        /* Hero Section */
        .hero {
            padding-top: 140px;
            padding-bottom: 80px;
            background: linear-gradient(165deg, #07150D 0%, #0A2E1C 35%, #123E25 65%, #07150D 100%);
            position: relative;
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 50%, rgba(255, 215, 0, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 30%, rgba(211, 47, 47, 0.12) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.16;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.35);
            color: var(--imperial-gold);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--imperial-gold);
            border-radius: 50%;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1.25rem;
            max-width: 700px;
            color: var(--white);
            line-height: 1.22;
        }
        .hero h1 .gold-text {
            color: var(--imperial-gold);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--pale-mint);
            max-width: 620px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 2rem;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--pale-mint);
            font-size: 0.9rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.05);
            padding: 8px 14px;
            border-radius: 50px;
            border: 1px solid rgba(209, 242, 235, 0.15);
        }
        .hero-meta-item i {
            color: var(--imperial-gold);
            font-size: 1rem;
        }
        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .btn-primary-gold {
            background: var(--imperial-gold);
            color: var(--deep-jade);
            border: none;
            padding: 14px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary-gold:hover {
            background: #FFE44D;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(255, 215, 0, 0.5);
            color: var(--deep-jade);
        }
        .btn-primary-gold:active {
            transform: translateY(1px);
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.35);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--imperial-gold);
            border: 2px solid rgba(255, 215, 0, 0.55);
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--imperial-gold);
            color: #FFE44D;
            transform: translateY(-2px);
        }
        .hero-image-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(209, 242, 235, 0.15);
            border-radius: var(--border-radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-soft);
            position: relative;
        }
        .hero-image-panel img {
            border-radius: var(--border-radius-md);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }
        .hero-image-panel .floating-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--lucky-red);
            color: var(--white);
            padding: 6px 14px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.8rem;
            box-shadow: 0 4px 12px rgba(211, 47, 47, 0.5);
        }

        /* Section Base */
        .section {
            padding: 72px 0;
            position: relative;
        }
        .section-alt {
            background: var(--forest-green);
        }
        .section-dark {
            background: var(--charcoal);
        }

        /* Pain Points */
        .pain-card {
            background: rgba(255, 255, 255, 0.035);
            border: 1px solid rgba(209, 242, 235, 0.12);
            border-left: 4px solid var(--lucky-red);
            border-radius: var(--border-radius-md);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
        }
        .pain-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-left-color: var(--imperial-gold);
            transform: translateX(4px);
        }
        .pain-card .icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(211, 47, 47, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--soft-red);
            margin-bottom: 1.25rem;
        }
        .pain-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
        }
        .pain-card p {
            color: var(--pale-mint);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.7;
        }

        /* Steps Section */
        .step-wrapper {
            position: relative;
            padding-left: 12px;
        }
        .step-item {
            display: flex;
            gap: 22px;
            align-items: flex-start;
            margin-bottom: 28px;
            position: relative;
        }
        .step-item:last-child {
            margin-bottom: 0;
        }
        .step-number {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--imperial-gold), #E6B800);
            color: var(--deep-jade);
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.35);
            position: relative;
            z-index: 2;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 28px;
            top: 64px;
            bottom: -16px;
            width: 2px;
            background: rgba(255, 215, 0, 0.25);
            z-index: 1;
        }
        .step-content {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(209, 242, 235, 0.1);
            border-radius: var(--border-radius-md);
            padding: 22px 26px;
            flex: 1;
            transition: var(--transition);
        }
        .step-content:hover {
            background: rgba(255, 255, 255, 0.065);
            border-color: rgba(255, 215, 0, 0.25);
        }
        .step-content h3 {
            margin-bottom: 0.5rem;
            font-size: 1.2rem;
        }
        .step-content p {
            color: var(--pale-mint);
            font-size: 0.98rem;
            margin: 0;
            line-height: 1.7;
        }
        .step-content .step-note {
            display: inline-block;
            margin-top: 10px;
            padding: 6px 14px;
            background: rgba(255, 215, 0, 0.1);
            border-radius: 20px;
            font-size: 0.82rem;
            color: var(--imperial-gold);
            font-weight: 600;
        }

        /* Benefits */
        .benefit-card {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(209, 242, 235, 0.15);
            border-radius: var(--border-radius-md);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
            text-align: left;
        }
        .benefit-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(255, 215, 0, 0.4);
            box-shadow: var(--shadow-gold);
            transform: translateY(-3px);
        }
        .benefit-card .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--imperial-gold);
            margin-bottom: 1.25rem;
        }
        .benefit-card h3 {
            font-size: 1.15rem;
            margin-bottom: 0.6rem;
        }
        .benefit-card p {
            color: var(--pale-mint);
            font-size: 0.93rem;
            margin: 0;
            line-height: 1.65;
        }

        /* Criteria Section */
        .criteria-panel {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(209, 242, 235, 0.12);
            border-radius: var(--border-radius-lg);
            padding: 36px 32px;
            height: 100%;
        }
        .criteria-panel .criteria-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(255, 215, 0, 0.35);
            line-height: 1;
            margin-bottom: 0.75rem;
        }
        .criteria-panel h3 {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
        }
        .criteria-panel ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .criteria-panel li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--pale-mint);
            font-size: 0.95rem;
            margin-bottom: 10px;
            line-height: 1.6;
        }
        .criteria-panel li i {
            color: var(--imperial-gold);
            font-size: 0.9rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* Testimonials */
        .testimonial-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(209, 242, 235, 0.12);
            border-radius: var(--border-radius-md);
            padding: 28px 26px;
            height: 100%;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .testimonial-card:hover {
            background: rgba(255, 255, 255, 0.065);
            border-color: rgba(255, 215, 0, 0.3);
        }
        .testimonial-quote {
            font-size: 0.95rem;
            color: var(--white);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 1.5rem;
            font-style: italic;
            position: relative;
            padding-left: 16px;
        }
        .testimonial-quote::before {
            content: '\201C';
            position: absolute;
            left: 0;
            top: -8px;
            font-size: 2rem;
            color: var(--imperial-gold);
            font-style: normal;
            line-height: 1;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--imperial-gold), #A67C00);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--deep-jade);
            font-size: 1.1rem;
        }
        .author-info .name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--white);
        }
        .author-info .role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0A2E1C 0%, #123E25 50%, #0A2E1C 100%);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            pointer-events: none;
        }
        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        .cta-box p {
            color: var(--pale-mint);
            font-size: 1.1rem;
            margin-bottom: 2rem;
        }
        .cta-payment-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-top: 1.5rem;
        }
        .cta-payment-badges span {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(209, 242, 235, 0.2);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--pale-mint);
        }

        /* Footer */
        .footer {
            background: var(--footer-bg);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h5 {
            color: var(--imperial-gold);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .footer-col p {
            color: var(--pale-mint);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--pale-mint);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--imperial-gold);
            padding-left: 4px;
        }
        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--lucky-red);
            color: var(--white);
            font-weight: 800;
            font-size: 0.9rem;
            margin-right: 10px;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .payment-badges span {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(209, 242, 235, 0.18);
            border-radius: 8px;
            padding: 7px 14px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--pale-mint);
        }
        .footer-bottom {
            border-top: 1px solid rgba(209, 242, 235, 0.08);
            padding-top: 24px;
            text-align: center;
        }
        .footer-bottom p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            margin: 0;
            line-height: 1.6;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 1050;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A 0%, #0A0A0A 100%);
            border: 3px solid var(--imperial-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--imperial-gold);
            cursor: pointer;
            opacity: 0.7;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            animation: fab-breathe 3s ease-in-out infinite;
            transition: var(--transition);
            text-decoration: none;
        }
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
            color: #FFE44D;
        }
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.25);
        }
        .fab-left .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--lucky-red);
            border: 2px solid var(--white);
            animation: fab-blink 1.5s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            h1 { font-size: 2.4rem; }
            .hero { padding-top: 120px; padding-bottom: 60px; min-height: 520px; }
            .section { padding: 56px 0; }
            .section-title { font-size: 1.7rem; }
        }

        @media (max-width: 768px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .navbar .container { height: 64px; gap: 10px; flex-wrap: wrap; }
            .logo { font-size: 1.1rem; }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(8, 26, 17, 0.98);
                flex-direction: column;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.25);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 12px 0;
                border-bottom: 1px solid rgba(209, 242, 235, 0.08);
                font-size: 1rem;
            }
            .nav-links li:last-child a {
                border-bottom: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-actions {
                margin-left: auto;
            }
            .btn-login {
                padding: 7px 12px;
                font-size: 0.82rem;
            }
            .btn-signup {
                padding: 8px 14px;
                font-size: 0.82rem;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .hero { padding-top: 100px; padding-bottom: 48px; min-height: auto; }
            .hero h1 { font-size: 2rem; }
            .hero-subtitle { font-size: 1rem; }
            .hero-meta { gap: 10px; margin-bottom: 1.5rem; }
            .hero-cta { gap: 12px; }
            .btn-primary-gold, .btn-outline-gold {
                padding: 12px 22px;
                font-size: 0.95rem;
            }
            .hero-image-panel { margin-top: 28px; }
            .section { padding: 48px 0; }
            .section-title { font-size: 1.5rem; }
            .section-subtitle { font-size: 0.95rem; margin-bottom: 1.75rem; }
            .step-item { gap: 16px; margin-bottom: 20px; flex-direction: column; }
            .step-item:not(:last-child)::after { display: none; }
            .step-number { width: 44px; height: 44px; font-size: 1.1rem; }
            .step-content { padding: 18px 20px; }
            .criteria-panel { padding: 24px 20px; }
            .cta-section { padding: 56px 0; }
            .cta-box h2 { font-size: 1.7rem; }
            .cta-box p { font-size: 0.98rem; }
            .footer { padding: 40px 0 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .fab-left { width: 50px; height: 50px; left: 14px; bottom: 80px; font-size: 1.3rem; }
        }

        @media (max-width: 520px) {
            h1 { font-size: 1.75rem; }
            .hero h1 { font-size: 1.75rem; }
            .hero-subtitle { font-size: 0.95rem; }
            .hero-meta-item { font-size: 0.8rem; padding: 6px 10px; }
            .btn-primary-gold, .btn-outline-gold {
                padding: 10px 18px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-cta { flex-direction: column; gap: 10px; }
            .section-title { font-size: 1.35rem; }
            .pain-card, .benefit-card, .testimonial-card {
                padding: 20px 18px;
            }
            .step-content h3 { font-size: 1.05rem; }
            .step-content p { font-size: 0.9rem; }
            .cta-box h2 { font-size: 1.4rem; }
            .cta-box p { font-size: 0.92rem; }
            .navbar .container { height: 56px; }
            .nav-links { top: 56px; }
            .logo { font-size: 0.95rem; }
            .logo span { font-size: 0.6rem; padding: 2px 5px; }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --lucky-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-soft: #A9C4B6;
            --border-color: rgba(255, 215, 0, 0.35);
            --card-bg: rgba(18, 62, 37, 0.72);
            --radius: 16px;
            --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
            --transition: all 0.25s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(10, 46, 28, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.25);
            z-index: 1000;
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent-gold);
            text-decoration: none;
            white-space: nowrap;
        }
        .logo span {
            font-size: 0.65rem;
            background: var(--lucky-red);
            color: #fff;
            padding: 4px 6px;
            border-radius: 6px;
            margin-left: 6px;
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 24px;
        }
        .nav-links a {
            color: var(--text-mint);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
            border-bottom-color: var(--accent-gold);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-login {
            background: transparent;
            color: var(--accent-gold);
            border: 1px solid var(--accent-gold);
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 800;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-signup:hover {
            background: #ffe44d;
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 2rem;
            cursor: pointer;
        }
        /* Hero */
        .hero {
            padding: 150px 0 80px;
            background-image: linear-gradient(to bottom, rgba(10, 46, 28, 0.85), rgba(10, 46, 28, 0.95)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero .container {
            display: flex;
            gap: 40px;
            align-items: center;
        }
        .hero-content {
            flex: 1;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(211, 47, 47, 0.2);
            color: #ff9d9d;
            border: 1px solid rgba(211, 47, 47, 0.5);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--text-white);
        }
        .hero-title span {
            color: var(--accent-gold);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-soft);
            margin-bottom: 30px;
            max-width: 500px;
        }
        .hero-form {
            background: rgba(18, 62, 37, 0.75);
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 28px;
            border-radius: var(--radius);
            flex: 0 0 360px;
            align-self: flex-start;
        }
        .hero-form h3 {
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: var(--accent-gold);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            border-radius: 8px;
            border: 1px solid rgba(255, 215, 0, 0.3);
            background: rgba(10, 46, 28, 0.8);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
        }
        .btn-primary {
            width: 100%;
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 800;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: #ffe44d;
            transform: translateY(-2px);
        }
        /* Sections */
        section {
            padding: 70px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-soft);
            margin-bottom: 40px;
        }
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .text-gold {
            color: var(--accent-gold);
        }
        /* Criteria Cards */
        .criteria-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 24px;
        }
        .criteria-card {
            background: var(--card-bg);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius);
            padding: 24px;
            transition: var(--transition);
        }
        .criteria-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .criteria-icon {
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .criteria-card h4 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--accent-gold);
        }
        .criteria-card p {
            color: var(--text-soft);
            font-size: 0.95rem;
        }
        /* Rating Table */
        .rating-table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 215, 0, 0.25);
        }
        .rating-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            background: rgba(18, 62, 37, 0.7);
        }
        .rating-table th,
        .rating-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-mint);
            font-size: 0.95rem;
        }
        .rating-table th {
            background: rgba(255, 215, 0, 0.12);
            color: var(--accent-gold);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .rating-table tr:last-child td {
            border-bottom: none;
        }
        .badge-verified {
            background: rgba(211, 47, 47, 0.2);
            color: #ff9d9d;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.8rem;
            white-space: nowrap;
        }
        .btn-slot {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: none;
            padding: 6px 14px;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-slot:hover {
            background: #ffe44d;
        }
        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 24px;
        }
        .testimonial-card {
            background: var(--card-bg);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius) var(--radius) 0;
            padding: 24px;
            transition: var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow);
        }
        .testimonial-card p {
            color: var(--text-mint);
            font-style: italic;
            margin-bottom: 16px;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #0A2E1C;
        }
        .testimonial-author .name {
            font-weight: 700;
            color: var(--accent-gold);
        }
        .testimonial-author .role {
            font-size: 0.8rem;
            color: var(--text-soft);
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: 12px;
            margin-bottom: 12px;
            background: rgba(18, 62, 37, 0.5);
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            color: var(--text-mint);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-question::after {
            content: "+";
            font-size: 1.5rem;
            color: var(--accent-gold);
            transition: var(--transition);
        }
        .faq-item.active .faq-question::after {
            content: "−";
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-soft);
            display: none;
            font-size: 0.95rem;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        /* CTA Section */
        .cta-section {
            background-image: linear-gradient(to right, rgba(211, 47, 47, 0.4), rgba(10, 46, 28, 0.95)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius);
            padding: 60px 40px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: #fff;
        }
        .cta-section p {
            color: var(--text-soft);
            margin-bottom: 30px;
            font-size: 1.1rem;
        }
        .btn-cta {
            display: inline-block;
            background: var(--accent-gold);
            color: #0A2E1C;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 800;
            font-size: 1.1rem;
            text-decoration: none;
            transition: var(--transition);
        }
        .btn-cta:hover {
            background: #ffe44d;
            transform: translateY(-3px);
            box-shadow: 0 15px 25px rgba(0,0,0,0.3);
        }
        /* Footer */
        .footer {
            background: #062315;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 60px 0 20px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        .footer-col h5 {
            font-size: 1.1rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer-col p {
            color: var(--text-soft);
            font-size: 0.9rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-soft);
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .payment-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .payment-badges span {
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--accent-gold);
            padding: 6px 10px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .badge-18 {
            background: var(--lucky-red);
            color: #fff;
            padding: 4px 8px;
            border-radius: 6px;
            font-weight: 800;
            font-size: 0.85rem;
            margin-right: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            color: var(--text-soft);
            font-size: 0.9rem;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                flex-direction: column;
            }
            .hero-form {
                flex: 1 1 auto;
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                gap: 5px;
                background: rgba(10, 46, 28, 0.98);
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                padding: 20px;
                border-bottom: 1px solid rgba(255, 215, 0, 0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                margin-left: auto;
            }
            .logo {
                font-size: 1.1rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero {
                padding: 120px 0 60px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .nav-actions .btn-login {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .nav-actions .btn-signup {
                padding: 6px 12px;
                font-size: 0.85rem;
            }
            .criteria-grid,
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
/* ===========================
           DESIGN SYSTEM VARIABLES
           =========================== */
        :root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: rgba(18, 62, 37, 0.85);
            --bg-card-hover: rgba(30, 74, 47, 0.95);
            --bg-dark: #071F12;
            --gold: #FFD700;
            --gold-soft: #F0C75E;
            --gold-deep: #D4A520;
            --red: #D32F2F;
            --red-bright: #FF4444;
            --white: #FFFFFF;
            --mint: #D1F2EB;
            --mint-soft: #B7DFD0;
            --text-muted: rgba(209, 242, 235, 0.7);
            --text-muted-2: rgba(209, 242, 235, 0.55);
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.7);
            --border-mint: rgba(209, 242, 235, 0.15);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 16px 48px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-gold-hover: 0 8px 32px rgba(255, 215, 0, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 999px;
            --font-main: 'Segoe UI', 'Helvetica Neue', Arial, system-ui, -apple-system, sans-serif;
            --font-display: 'Georgia', 'Times New Roman', serif;
            --spacing-xs: 6px;
            --spacing-sm: 10px;
            --spacing-md: 16px;
            --spacing-lg: 24px;
            --spacing-xl: 32px;
            --spacing-2xl: 48px;
            --spacing-3xl: 64px;
            --spacing-4xl: 80px;
            --transition-fast: 0.2s ease;
            --transition-med: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
            --container-max: 1200px;
            --container-max-lg: 1320px;
            --nav-height: 72px;
        }

        /* ===========================
           RESET & BASE
           =========================== */
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-primary);
            color: var(--mint);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            background-image: 
                radial-gradient(ellipse at 20% 10%, rgba(255, 215, 0, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 90%, rgba(18, 62, 37, 0.4) 0%, transparent 50%),
                url('/assets/images/backpic/back-1.png');
            background-size: cover, cover, 1400px auto;
            background-position: center, center, 30% 0;
            background-attachment: fixed;
            background-repeat: repeat, repeat, repeat;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 31, 18, 0.85) 0%, rgba(10, 46, 28, 0.92) 50%, rgba(7, 31, 18, 0.95) 100%);
            z-index: -1;
            pointer-events: none;
        }

        a {
            text-decoration: none;
            color: var(--gold-soft);
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            color: var(--gold);
        }

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

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

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

        ul, ol {
            list-style: none;
        }

        .skip-to-content {
            position: absolute;
            top: -60px;
            left: 20px;
            padding: 12px 20px;
            background: var(--gold);
            color: #0A2E1C;
            font-weight: 700;
            border-radius: var(--radius-sm);
            z-index: 99999;
            transition: top var(--transition-fast);
        }

        .skip-to-content:focus {
            top: 16px;
        }

        /* ===========================
           CONTAINER & LAYOUT
           =========================== */
        .container {
            width: 100%;
            max-width: var(--container-max-lg);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .container-narrow {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }

        .section {
            padding: var(--spacing-3xl) 0;
            position: relative;
        }

        .section-gray {
            background: rgba(7, 31, 18, 0.5);
        }

        .section-divider {
            border-top: 1px solid var(--border-mint);
        }

        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-2xl);
            align-items: stretch;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
        }

        /* ===========================
           NAVIGATION
           =========================== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(7, 31, 18, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            z-index: 9999;
            transition: box-shadow var(--transition-med);
        }

        .navbar.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
            border-bottom-color: var(--border-gold-strong);
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--spacing-lg);
        }

        .logo {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--gold);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            letter-spacing: -0.3px;
            transition: transform var(--transition-fast);
        }

        .logo:hover {
            transform: translateY(-1px);
            color: var(--gold);
        }

        .logo span {
            background: var(--red);
            color: var(--white);
            font-size: 0.6rem;
            font-weight: 800;
            padding: 3px 8px;
            border-radius: var(--radius-full);
            font-family: var(--font-main);
            letter-spacing: 0.5px;
            border: 1px solid var(--gold);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .nav-links li a {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--mint);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold);
        }

        .nav-links li a.active {
            background: var(--gold);
            color: #0A2E1C;
            font-weight: 700;
            box-shadow: var(--shadow-gold);
        }

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

        .btn-login {
            padding: 10px 20px;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            font-weight: 600;
            font-size: 0.88rem;
            background: transparent;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--gold);
        }

        .btn-signup {
            padding: 10px 22px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.88rem;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

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

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--gold);
            padding: 8px;
            line-height: 1;
            border-radius: var(--radius-sm);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(7, 31, 18, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-gold);
            padding: var(--spacing-lg);
            z-index: 9998;
            flex-direction: column;
            gap: var(--spacing-sm);
            transform: translateY(-100%);
            transition: transform var(--transition-med);
            max-height: calc(100vh - var(--nav-height));
            overflow-y: auto;
        }

        .mobile-menu.open {
            transform: translateY(0);
            display: flex;
        }

        .mobile-menu a {
            display: block;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            color: var(--mint);
            border: 1px solid var(--border-mint);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }

        .mobile-menu a:hover {
            background: rgba(255, 215, 0, 0.08);
            color: var(--gold);
            border-color: var(--border-gold);
        }

        .mobile-menu a.active {
            background: var(--gold);
            color: #0A2E1C;
            border-color: var(--gold);
            font-weight: 700;
        }

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

        .mobile-menu-actions .btn-login,
        .mobile-menu-actions .btn-signup {
            flex: 1;
            text-align: center;
            padding: 14px;
            font-size: 0.95rem;
        }

        /* ===========================
           HERO SECTION
           =========================== */
        .hero {
            padding-top: calc(var(--nav-height) + var(--spacing-2xl));
            padding-bottom: var(--spacing-3xl);
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 31, 18, 0.3) 0%, rgba(10, 46, 28, 0.7) 100%);
            z-index: 0;
            pointer-events: none;
        }

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

        /* Flash Sale Countdown Bar */
        .flash-sale-bar {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            background: linear-gradient(135deg, var(--red) 0%, #B71C1C 50%, var(--red) 100%);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md) var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
            border: 2px solid var(--gold);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.15);
            flex-wrap: wrap;
        }

        .flash-sale-icon {
            font-size: 1.8rem;
            animation: pulse-icon 1.5s ease-in-out infinite;
        }

        @keyframes pulse-icon {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.2); }
        }

        .flash-sale-text {
            flex: 1;
            min-width: 200px;
        }

        .flash-sale-text strong {
            color: var(--white);
            font-size: 1.05rem;
            display: block;
            font-weight: 700;
        }

        .flash-sale-text span {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-shrink: 0;
        }

        .countdown-timer .time-block {
            background: rgba(0, 0, 0, 0.5);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 56px;
            border: 1px solid rgba(255, 215, 0, 0.5);
        }

        .countdown-timer .time-block .number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            font-family: var(--font-display);
        }

        .countdown-timer .time-block .label {
            font-size: 0.65rem;
            color: rgba(255, 255, 255, 0.7);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .flash-sale-cta {
            background: var(--gold);
            color: #0A2E1C;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-weight: 800;
            font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .flash-sale-cta:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
            color: #0A2E1C;
        }

        /* Hero Grid */
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--spacing-3xl);
            align-items: center;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: var(--spacing-lg);
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--red-bright);
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.5); }
            50% { box-shadow: 0 0 0 6px rgba(255, 68, 68, 0); }
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.15;
            letter-spacing: -0.5px;
            margin-bottom: var(--spacing-lg);
        }

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

        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(135deg, var(--gold) 0%, transparent 100%);
            border-radius: var(--radius-full);
        }

        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            color: var(--mint-soft);
            margin-bottom: var(--spacing-xl);
            max-width: 520px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, var(--gold) 0%, #FFC107 50%, var(--gold-deep) 100%);
            color: #0A2E1C;
            font-weight: 800;
            font-size: 1rem;
            box-shadow: var(--shadow-gold);
            transition: all var(--transition-med);
            white-space: nowrap;
            letter-spacing: -0.2px;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-gold-hover);
            color: #0A2E1C;
        }

        .btn-primary i {
            font-size: 1.1rem;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 28px;
            border-radius: var(--radius-full);
            background: transparent;
            border: 2px solid var(--border-gold);
            color: var(--gold);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--gold);
            color: var(--gold);
        }

        .hero-stats {
            display: flex;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
        }

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

        .hero-stat .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-display);
            line-height: 1.2;
        }

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

        /* Hero Featured Card */
        .hero-card-wrapper {
            position: relative;
        }

        .hero-card {
            background: var(--bg-card);
            border: 2px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .hero-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, var(--gold) 0%, var(--red) 50%, var(--gold) 100%);
        }

        .hero-card .card-tag {
            background: var(--red);
            color: var(--white);
            font-size: 0.7rem;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
            display: inline-block;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .hero-card img {
            border-radius: var(--radius-lg);
            margin-bottom: var(--spacing-lg);
            border: 1px solid var(--border-mint);
            aspect-ratio: 16/10;
            object-fit: cover;
            width: 100%;
        }

        .hero-card h3 {
            color: var(--gold);
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }

        .hero-card p {
            color: var(--mint-soft);
            font-size: 0.9rem;
            line-height: 1.65;
            margin-bottom: var(--spacing-lg);
        }

        .hero-card .card-cta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
        }

        .hero-card .card-cta .btn-small {
            padding: 12px 20px;
            border-radius: var(--radius-full);
            background: var(--gold);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-card .card-cta .btn-small:hover {
            background: #FFE04D;
            transform: translateY(-2px);
        }

        .hero-card .card-cta .card-note {
            font-size: 0.75rem;
            color: var(--text-muted-2);
        }

        /* ===========================
           SECTION HEADERS
           =========================== */
        .section-header {
            margin-bottom: var(--spacing-2xl);
            text-align: left;
            max-width: 700px;
        }

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

        .section-label {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: var(--spacing-md);
            border: 1px solid var(--border-gold);
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.2;
            letter-spacing: -0.3px;
            margin-bottom: var(--spacing-sm);
        }

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

        .section-header p {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--text-muted);
            margin-top: var(--spacing-md);
        }

        /* ===========================
           PAIN POINTS SECTION
           =========================== */
        .pain-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
        }

        .pain-item {
            background: var(--bg-card);
            border: 1px solid var(--border-mint);
            border-left: 4px solid var(--red);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            display: flex;
            gap: var(--spacing-md);
            align-items: flex-start;
            transition: all var(--transition-fast);
        }

        .pain-item:hover {
            border-left-color: var(--gold);
            border-color: var(--border-gold);
            transform: translateX(4px);
        }

        .pain-item .pain-icon {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            background: rgba(211, 47, 47, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--red-bright);
            border: 1px solid rgba(211, 47, 47, 0.3);
        }

        .pain-item h3 {
            color: var(--white);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .pain-item p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        /* ===========================
           SOLUTION / TIPS SECTION
           =========================== */
        .tips-table {
            display: block;
            width: 100%;
        }

        .tip-row {
            display: grid;
            grid-template-columns: 80px 1fr 200px;
            gap: var(--spacing-lg);
            padding: var(--spacing-xl) 0;
            border-bottom: 1px solid var(--border-mint);
            align-items: center;
            transition: all var(--transition-fast);
            position: relative;
        }

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

        .tip-row:hover {
            background: rgba(255, 215, 0, 0.04);
        }

        .tip-number {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 800;
            color: rgba(255, 215, 0, 0.3);
            line-height: 1;
            transition: color var(--transition-fast);
            text-align: center;
        }

        .tip-row:hover .tip-number {
            color: var(--gold);
        }

        .tip-content h3 {
            color: var(--white);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.2px;
        }

        .tip-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.65;
            max-width: 580px;
        }

        .tip-badge {
            text-align: right;
        }

        .tip-badge span {
            display: inline-block;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--gold);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
        }

        /* ===========================
           RESULTS / STATS SECTION
           =========================== */
        .results-box {
            background: var(--bg-dark);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl);
            position: relative;
            overflow: hidden;
        }

        .results-box::before {
            content: '★';
            position: absolute;
            top: -40px;
            right: -20px;
            font-size: 10rem;
            color: rgba(255, 215, 0, 0.04);
            font-family: var(--font-display);
            pointer-events: none;
        }

        .results-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
            text-align: center;
        }

        .result-item .result-icon {
            font-size: 2.2rem;
            color: var(--gold);
            margin-bottom: var(--spacing-sm);
        }

        .result-item .result-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--gold);
            font-family: var(--font-display);
            line-height: 1.1;
            letter-spacing: -0.5px;
        }

        .result-item .result-label {
            color: var(--mint-soft);
            font-size: 0.9rem;
            margin-top: var(--spacing-xs);
            line-height: 1.5;
        }

        /* ===========================
           TESTIMONIALS
           =========================== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-xl);
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

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

        .testimonial-quote {
            color: var(--mint-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            flex: 1;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold) 0%, var(--red) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #0A2E1C;
            font-size: 1.1rem;
            flex-shrink: 0;
            border: 2px solid var(--border-gold);
        }

        .testimonial-author .author-info strong {
            display: block;
            color: var(--white);
            font-size: 0.9rem;
        }

        .testimonial-author .author-info span {
            color: var(--text-muted-2);
            font-size: 0.78rem;
        }

        /* ===========================
           FAQ SECTION
           =========================== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 850px;
        }

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

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-lg);
            text-align: left;
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
            gap: var(--spacing-md);
            transition: all var(--transition-fast);
            letter-spacing: -0.2px;
        }

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

        .faq-question .faq-toggle {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 0.9rem;
            transition: transform var(--transition-fast);
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
            background: var(--gold);
            color: #0A2E1C;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-fast);
            padding: 0 var(--spacing-lg);
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 var(--spacing-lg) var(--spacing-lg);
        }

        /* ===========================
           CTA SECTION
           =========================== */
        .cta-section {
            background: var(--bg-dark);
            border-top: 2px solid var(--border-gold);
            border-bottom: 2px solid var(--border-gold);
            padding: var(--spacing-3xl) 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cta-section h2 {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.4px;
        }

        .cta-section p {
            color: var(--mint-soft);
            font-size: 1.1rem;
            max-width: 620px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.65;
        }

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

        .cta-note {
            margin-top: var(--spacing-lg);
            font-size: 0.78rem;
            color: var(--text-muted-2);
        }

        /* ===========================
           FOOTER
           =========================== */
        .footer {
            background: #071F12;
            padding: var(--spacing-2xl) 0 var(--spacing-xl);
            border-top: 2px solid var(--border-gold);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }

        .footer-col h5 {
            color: var(--gold);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            font-family: var(--font-display);
        }

        .footer-col p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }

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

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
        }

        .footer-col ul li a:hover {
            color: var(--gold);
            transform: translateX(4px);
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--red);
            color: var(--white);
            font-weight: 800;
            font-size: 0.75rem;
            border: 2px solid var(--gold);
            margin-right: 10px;
            vertical-align: middle;
        }

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

        .payment-badges span {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-gold);
            color: var(--gold-soft);
            font-size: 0.75rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .payment-badges span:hover {
            background: rgba(255, 215, 0, 0.15);
            border-color: var(--gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-mint);
            padding-top: var(--spacing-lg);
            text-align: center;
        }

        .footer-bottom p {
            color: var(--text-muted-2);
            font-size: 0.82rem;
        }

        /* ===========================
           FAB (Floating Action Button)
           =========================== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 9000;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A 0%, #0D0D0D 100%);
            border: 3px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--gold);
            cursor: pointer;
            opacity: 0.7;
            transition: all var(--transition-med);
            box-shadow: var(--shadow-gold);
            animation: fab-breathe 3s ease-in-out infinite;
            position: relative;
            min-width: 48px;
            min-height: 48px;
        }

        @keyframes fab-breathe {
            0%, 100% { transform: translateY(0); box-shadow: 0 4px 20px rgba(255, 215, 0, 0.25); }
            50% { transform: translateY(-6px); box-shadow: 0 8px 28px rgba(255, 215, 0, 0.4); }
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: var(--shadow-gold-hover);
            animation-play-state: paused;
        }

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

        .fab .fab-icon {
            transition: transform var(--transition-med);
        }

        .fab:hover .fab-icon {
            transform: rotate(360deg);
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            background: var(--red-bright);
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: notification-pulse 2s ease-in-out infinite;
        }

        @keyframes notification-pulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.6); }
            50% { box-shadow: 0 0 0 5px rgba(255, 68, 68, 0); }
        }

        /* ===========================
           RESPONSIVE
           =========================== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.4rem;
            }

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

            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }

            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }

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

            .tips-table .tip-row {
                grid-template-columns: 60px 1fr 160px;
                gap: var(--spacing-md);
            }

            .tip-number {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }

            .nav-links {
                display: none;
            }

            .nav-actions {
                display: none;
            }

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

            .mobile-menu {
                display: flex;
            }

            .hero {
                padding-top: calc(var(--nav-height) + var(--spacing-lg));
                min-height: auto;
            }

            .hero h1 {
                font-size: 1.9rem;
                letter-spacing: -0.3px;
            }

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

            .flash-sale-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
                padding: var(--spacing-md);
            }

            .countdown-timer {
                width: 100%;
                justify-content: space-between;
            }

            .countdown-timer .time-block {
                flex: 1;
                min-width: 0;
                padding: 6px 8px;
            }

            .countdown-timer .time-block .number {
                font-size: 1.2rem;
            }

            .flash-sale-cta {
                width: 100%;
                text-align: center;
                justify-content: center;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

            .grid-2 {
                grid-template-columns: 1fr;
                gap: var(--spacing-xl);
            }

            .grid-3 {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .grid-4 {
                grid-template-columns: 1fr;
            }

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

            .tips-table .tip-row {
                grid-template-columns: 50px 1fr;
                gap: var(--spacing-md);
            }

            .tip-number {
                font-size: 2rem;
            }

            .tip-badge {
                grid-column: 1 / -1;
                text-align: left;
                padding-left: 0;
            }

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

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

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

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

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

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

            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 12px;
                bottom: 72px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --spacing-2xl: 32px;
                --spacing-3xl: 40px;
                --spacing-xl: 20px;
                --spacing-lg: 16px;
            }

            .hero h1 {
                font-size: 1.6rem;
            }

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

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

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

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

            .countdown-timer .time-block {
                padding: 4px 6px;
                min-width: 0;
            }

            .countdown-timer .time-block .number {
                font-size: 1rem;
            }

            .countdown-timer .time-block .label {
                font-size: 0.55rem;
            }
        }