/* roulang page: index */
/* CSS variables */
        :root {
            --bg-primary: #2B0A0A;
            --bg-secondary: #4A0007;
            --bg-dark: #1a0505;
            --accent-gold: #FFD700;
            --accent-amber: #FF9F00;
            --text-white: #FFFDF9;
            --text-gold: #FEF08A;
            --text-muted: #E5C5B5;
            --border-gold: rgba(255, 215, 0, 0.4);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --container-width: 1240px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        /* Reset */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
        }
        a { color: inherit; text-decoration: none; }
        img { max-width: 100%; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        /* Container */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin-inline: auto;
            padding-inline: 24px;
        }
        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(26, 5, 5, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-gold);
        }
        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }
        .nav-menu a {
            padding: 10px 16px;
            border-radius: 8px;
            font-weight: 600;
            position: relative;
            transition: var(--transition);
        }
        .nav-menu a:hover, .nav-menu a.active {
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 20%;
            width: 60%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 50px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .btn-outline {
            background: transparent;
            color: var(--text-gold);
            border: 1px solid var(--border-gold);
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.1);
            transform: translateY(-2px);
        }
        .btn-gold {
            background: linear-gradient(135deg, #FFD700, #FFB300);
            color: #3b1d1d;
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 215, 0, 0.45);
        }
        .btn-gold:active {
            transform: translateY(1px);
            box-shadow: 0 4px 10px rgba(255, 215, 0, 0.25);
        }
        /* Mobile toggle */
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-toggle span {
            width: 25px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition);
        }
        /* Hero - coupon wall */
        .hero {
            padding: 80px 0 60px;
            background-image: linear-gradient(to bottom, rgba(26,5,5,0.92), rgba(74,0,7,0.95)), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            color: var(--text-gold);
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.2;
            font-weight: 800;
            text-shadow: 0 4px 20px rgba(0,0,0,0.5);
            margin-bottom: 20px;
        }
        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .coupon-wall {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            margin-top: 40px;
        }
        .main-coupon {
            background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
            color: #3b1d1d;
            padding: 32px;
            border-radius: 20px;
            width: 100%;
            max-width: 600px;
            text-align: center;
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
            position: relative;
            overflow: hidden;
        }
        .main-coupon::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.35) 0%, transparent 60%);
            animation: shimmer 6s infinite linear;
        }
        @keyframes shimmer {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .main-coupon h2 {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .main-coupon p {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .coupon-code {
            display: inline-block;
            background: rgba(59,29,29,0.15);
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 800;
            letter-spacing: 2px;
            border: 2px dashed #3b1d1d;
            position: relative;
            z-index: 1;
        }
        .sub-coupons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .sub-coupon {
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-gold);
            border-radius: 12px;
            padding: 16px 24px;
            min-width: 180px;
            text-align: center;
            transition: var(--transition);
        }
        .sub-coupon:hover {
            background: rgba(255,215,0,0.1);
            transform: translateY(-4px);
        }
        .sub-coupon .value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .sub-coupon .label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        /* Sections general */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: left;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 700px;
        }
        .section-title-gold {
            color: var(--accent-gold);
        }
        /* Product screenshot stage */
        .screenshot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }
        .screenshot-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            transition: var(--transition);
        }
        .screenshot-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-gold);
        }
        .screenshot-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .screenshot-overlay {
            padding: 20px;
            background: rgba(26,5,5,0.85);
            backdrop-filter: blur(5px);
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
        }
        .screenshot-overlay h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .screenshot-overlay p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        /* Three steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 32px;
        }
        .step-item {
            position: relative;
            padding-left: 60px;
        }
        .step-number {
            position: absolute;
            left: 0;
            top: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, #FFD700, #FFB300);
            color: #3b1d1d;
            font-weight: 900;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            box-shadow: 0 8px 20px rgba(255, 215, 0, 0.3);
        }
        .step-item h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .testimonial-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        .testimonial-card:hover {
            background: rgba(255,215,0,0.08);
            transform: translateY(-4px);
        }
        .testimonial-stars {
            color: #FFD700;
            margin-bottom: 12px;
        }
        .testimonial-text {
            color: var(--text-white);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #FFD700;
            color: #3b1d1d;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .author-name {
            font-weight: 600;
        }
        .author-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        /* News / CMS list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.03);
            border-left: 4px solid var(--accent-gold);
            transition: var(--transition);
        }
        .news-item:hover {
            background: rgba(255,215,0,0.1);
            transform: translateX(6px);
        }
        .news-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-white);
        }
        .news-date {
            font-size: 0.85rem;
            color: var(--text-muted);
            white-space: nowrap;
            margin-left: 16px;
        }
        .news-empty {
            text-align: center;
            padding: 30px;
            color: var(--text-muted);
        }
        /* Download guide */
        .download-guide {
            display: flex;
            align-items: center;
            gap: 40px;
            background: linear-gradient(135deg, rgba(255,215,0,0.1), rgba(255,159,0,0.05));
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 40px;
            flex-wrap: wrap;
        }
        .download-content {
            flex: 1;
            min-width: 280px;
        }
        .download-content h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .download-content p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .download-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn-download {
            background: #fff;
            color: #1a0505;
            padding: 12px 24px;
            border-radius: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
            transition: var(--transition);
        }
        .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.3);
        }
        .download-visual {
            flex: 0 0 240px;
        }
        .download-visual img {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
        }
        /* FAQ */
        .faq-list {
            max-width: 800px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-gold);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: var(--transition);
            background: none;
            border: none;
            color: var(--text-white);
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question .icon {
            transition: transform 0.3s;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
        }
        .faq-answer p {
            padding-bottom: 20px;
            color: var(--text-muted);
        }
        /* Membership benefits */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }
        .benefit-card {
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }
        .benefit-card:hover {
            background: rgba(255,215,0,0.1);
            transform: translateY(-4px);
        }
        .benefit-icon {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .benefit-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .benefit-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, #FFD700, #FFB300);
            color: #3b1d1d;
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-weight: 600;
            margin-bottom: 24px;
        }
        .btn-dark {
            background: #2B0A0A;
            color: #FFD700;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 800;
            box-shadow: 0 8px 20px rgba(0,0,0,0.2);
            transition: var(--transition);
            display: inline-block;
        }
        .btn-dark:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(0,0,0,0.3);
        }
        /* Footer */
        .site-footer {
            background: #1a0505;
            border-top: 1px solid var(--border-gold);
            padding: 50px 0 20px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .footer-links h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-gold);
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,215,0,0.2);
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .footer-disclaimer {
            font-size: 0.8rem;
            color: #a37c7c;
            max-width: 800px;
            margin: 0 auto 20px;
            line-height: 1.6;
        }
        /* Floating Action Button (Classic & Royal) */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2B0A0A, #4A0007);
            border: 2px solid #FFD700;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFD700;
            font-size: 22px;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.8;
            animation: pulse 2s infinite;
            text-decoration: none;
        }
        .fab:hover {
            transform: scale(1.1);
            opacity: 1;
            animation: none;
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab .notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #ff0000;
            border-radius: 50%;
            border: 2px solid #2B0A0A;
            animation: blink 1.5s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255,215,0,0.4); }
            70% { box-shadow: 0 0 0 10px rgba(255,215,0,0); }
            100% { box-shadow: 0 0 0 0 rgba(255,215,0,0); }
        }
        @keyframes blink {
            0%,100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero h1 { font-size: 2.5rem; }
            .section { padding: 60px 0; }
        }
        @media (max-width: 768px) {
            .navbar { flex-wrap: wrap; height: auto; padding: 12px 0; }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 12px;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu a {
                text-align: center;
                padding: 12px;
            }
            .auth-buttons {
                margin-left: auto;
            }
            .mobile-toggle {
                display: flex;
                margin-right: 12px;
            }
            .coupon-wall { gap: 12px; }
            .sub-coupons { flex-direction: column; align-items: center; }
            .sub-coupon { width: 100%; max-width: 300px; }
            .download-guide { flex-direction: column; text-align: center; }
            .download-visual { flex: 0 0 auto; width: 100%; max-width: 300px; }
            .steps-grid { gap: 24px; }
            .step-item { padding-left: 0; padding-top: 60px; }
            .step-number { top: 0; left: 50%; transform: translateX(-50%); }
            .step-item h3 { text-align: center; }
            .step-item p { text-align: center; }
            .news-item { flex-direction: column; align-items: flex-start; gap: 8px; }
            .news-date { margin-left: 0; }
        }
        @media (max-width: 480px) {
            .container { padding-inline: 16px; }
            .hero h1 { font-size: 1.8rem; }
            .main-coupon h2 { font-size: 1.6rem; }
            .btn { padding: 10px 18px; font-size: 0.9rem; }
        }

/* roulang page: category1 */
:root {
            --primary-deep: #0A2E1C;
            --primary-forest: #123E25;
            --primary-dark: #071F13;
            --accent-gold: #FFD700;
            --accent-amber: #FFC800;
            --accent-red: #D32F2F;
            --accent-red-soft: #F44336;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A8C5BB;
            --text-body: #E8F4F0;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-light: rgba(255, 255, 255, 0.1);
            --bg-section: #0C3520;
            --bg-card: #103F28;
            --bg-dark-card: #0A2E1C;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 26px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 14px 40px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Be Vietnam Pro', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --space-section: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--primary-deep);
            color: var(--text-body);
            line-height: 1.6;
            margin: 0;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover,
        a:focus {
            color: #FFEB3B;
            text-decoration: none;
        }

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

        button:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-sans);
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.25;
            margin-top: 0;
        }

        h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
            letter-spacing: -0.005em;
        }

        h4 {
            font-size: 1.1rem;
            font-weight: 700;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-body);
        }

        .container {
            max-width: var(--container-max);
            width: 100%;
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }

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

        .section-sm {
            padding: 48px 0;
        }

        .section-md {
            padding: 56px 0;
        }

        /* ===== HEADER / NAVBAR ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 31, 19, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(7, 31, 19, 0.98);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 0;
            min-height: 64px;
            flex-wrap: nowrap;
        }

        .logo {
            font-family: var(--font-sans);
            font-size: 1.05rem;
            font-weight: 900;
            color: var(--accent-gold);
            letter-spacing: -0.01em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 320px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo i {
            font-size: 1.2rem;
            color: var(--accent-gold);
        }

        .logo:hover {
            color: #FFEB3B;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-menu li {
            margin: 0;
        }

        .nav-menu a {
            display: block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            border-radius: 8px;
            white-space: nowrap;
            transition: var(--transition);
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a:focus {
            color: var(--text-white);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-menu a.active {
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 700;
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 1px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            font-weight: 700;
            font-size: 0.9rem;
            line-height: 1.4;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            font-family: var(--font-sans);
            text-align: center;
            min-height: 42px;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold), #FFB300);
            color: #1A1A1A;
            border: none;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            position: relative;
            overflow: hidden;
        }

        .btn-gold:hover,
        .btn-gold:focus {
            background: linear-gradient(135deg, #FFE033, #FFC800);
            color: #000;
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }

        .btn-gold:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
        }

        .btn-red {
            background: linear-gradient(135deg, var(--accent-red-soft), var(--accent-red));
            color: #fff;
            border: none;
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.35);
        }

        .btn-red:hover,
        .btn-red:focus {
            background: linear-gradient(135deg, #EF5350, #B71C1C);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(211, 47, 47, 0.5);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 1.05rem;
            min-height: 52px;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 7px 14px;
            font-size: 0.8rem;
            min-height: 34px;
            border-radius: 8px;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
            border-radius: 6px;
            min-width: 42px;
            min-height: 42px;
            align-items: center;
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-white);
            border-radius: 1px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== HERO ===== */
        .hero-category {
            position: relative;
            min-height: 720px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            background-attachment: fixed;
            padding-top: 100px;
            padding-bottom: 60px;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 31, 19, 0.92) 0%, rgba(10, 46, 28, 0.78) 40%, rgba(18, 62, 37, 0.65) 60%, rgba(7, 31, 19, 0.9) 100%);
            z-index: 1;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 20% 30%, rgba(255, 215, 0, 0.12) 0%, transparent 50%),
                              radial-gradient(circle at 80% 70%, rgba(211, 47, 47, 0.08) 0%, transparent 50%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-category-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .hero-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 215, 0, 0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 215, 0, 0.3);
            white-space: nowrap;
        }

        .badge-pill i {
            font-size: 0.75rem;
        }

        .hero-category h1 {
            margin-bottom: 16px;
            max-width: 750px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .hero-category .hero-sub {
            font-size: 1.15rem;
            line-height: 1.65;
            color: var(--text-mint);
            max-width: 620px;
            margin-bottom: 24px;
            font-weight: 400;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        /* Countdown Bar */
        .countdown-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            background: rgba(7, 31, 19, 0.8);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            max-width: 560px;
            transition: var(--transition);
        }

        .countdown-bar:hover {
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: var(--shadow-gold);
        }

        .countdown-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
            margin-left: auto;
        }

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

        .countdown-value {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

        .countdown-unit {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        /* Hero Stat Badges */
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-white);
            transition: var(--transition);
        }

        .stat-badge i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }

        .stat-badge:hover {
            background: rgba(255, 215, 0, 0.08);
            border-color: rgba(255, 215, 0, 0.3);
        }

        /* ===== Trust Ticker ===== */
        .trust-ticker {
            background: var(--primary-dark);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            border-bottom: 1px solid rgba(255, 215, 0, 0.1);
            padding: 12px 0;
            overflow: hidden;
            position: relative;
        }

        .trust-ticker-track {
            display: flex;
            gap: 40px;
            white-space: nowrap;
            animation: ticker-scroll 28s linear infinite;
            will-change: transform;
        }

        .trust-ticker-track span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .trust-ticker-track i {
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        @keyframes ticker-scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* ===== Selling Points ===== */
        .selling-points {
            background: var(--primary-dark);
            position: relative;
        }

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

        .point-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .point-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), transparent);
            opacity: 0;
            transition: var(--transition);
        }

        .point-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 215, 0, 0.55);
        }

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

        .point-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 215, 0, 0.05));
            border: 1px solid rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-gold);
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .point-card:hover .point-icon {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.35), rgba(255, 215, 0, 0.1));
            transform: scale(1.08);
        }

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

        .point-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .point-stat {
            display: flex;
            align-items: baseline;
            gap: 6px;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .point-stat strong {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent-gold);
        }

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

        /* ===== Comparison / Scenario ===== */
        .comparison-section {
            background: var(--primary-forest);
            position: relative;
        }

        .compare-card {
            background: var(--bg-dark-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 24px;
            height: 100%;
            transition: var(--transition);
        }

        .compare-card:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-md);
        }

        .compare-card.good {
            background: linear-gradient(135deg, var(--bg-card), #1A4D32);
            border: 1.5px solid rgba(255, 215, 0, 0.45);
            box-shadow: var(--shadow-gold);
        }

        .compare-card.bad {
            background: #1E1E1E;
            border: 1.5px solid rgba(255, 255, 255, 0.1);
        }

        .compare-card h3 {
            font-size: 1.05rem;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compare-list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            color: var(--text-muted);
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list li i {
            font-size: 0.9rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .compare-list li .fa-check-circle {
            color: var(--accent-gold);
        }

        .compare-list li .fa-times-circle {
            color: var(--accent-red-soft);
        }

        /* ===== Steps ===== */
        .steps-section {
            background: var(--primary-dark);
        }

        .step-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            position: relative;
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            color: #1A1A1A;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
            transition: var(--transition);
        }

        .step-item:hover .step-number {
            transform: scale(1.1);
            box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
        }

        .step-content h3 {
            font-size: 1.05rem;
            margin-bottom: 5px;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .step-line {
            position: absolute;
            left: 23px;
            top: 64px;
            bottom: 0;
            width: 2px;
            background: rgba(255, 215, 0, 0.2);
        }

        /* ===== Social Proof / Testimonials ===== */
        .proof-section {
            background: var(--primary-forest);
            position: relative;
        }

        .testimonial-card {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            height: 100%;
            transition: var(--transition);
            position: relative;
        }

        .testimonial-card:hover {
            border-color: rgba(255, 215, 0, 0.3);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .testimonial-stars {
            color: var(--accent-gold);
            font-size: 0.85rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-body);
            font-style: italic;
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), #FFA000);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #1A1A1A;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
        }

        .testimonial-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--primary-dark);
        }

        .accordion-custom .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .accordion-custom .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            transition: var(--transition);
            font-family: var(--font-sans);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(255, 215, 0, 0.4);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(255, 215, 0, 0.08);
            color: var(--accent-gold);
            box-shadow: none;
        }

        .accordion-custom .accordion-button::after {
            filter: invert(1) brightness(0.8);
            transition: var(--transition);
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            filter: invert(0.75) sepia(0.5) saturate(2) brightness(0.9);
            transform: rotate(-180deg);
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ===== Final CTA ===== */
        .final-cta {
            background: var(--primary-forest);
            position: relative;
            overflow: hidden;
        }

        .final-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

        .final-cta-inner {
            position: relative;
            z-index: 1;
            background: rgba(7, 31, 19, 0.75);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            text-align: center;
            box-shadow: var(--shadow-lg);
        }

        .final-cta-inner h2 {
            margin-bottom: 12px;
        }

        .final-cta-inner p {
            color: var(--text-mint);
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 24px;
        }

        /* ===== Image Panel ===== */
        .image-panel {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid rgba(255, 215, 0, 0.25);
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .image-panel img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .image-panel-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(7, 31, 19, 0.9));
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent-gold);
        }

        /* ===== Bottom Fixed Conversion Bar (Mobile) ===== */
        .bottom-conversion-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(7, 31, 19, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-top: 2px solid rgba(255, 215, 0, 0.35);
            padding: 10px 16px;
            display: none;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
        }

        .bottom-conversion-bar .bcb-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .bottom-conversion-bar .bcb-text {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .bottom-conversion-bar .bcb-text i {
            color: var(--accent-gold);
        }

        .bottom-conversion-bar .btn {
            flex-shrink: 0;
            padding: 10px 18px;
            font-size: 0.85rem;
            min-height: 38px;
        }

        /* ===== FAB ===== */
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 850;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A1A1A, #0D0D0D);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: var(--transition);
            animation: fab-float 2.5s ease-in-out infinite;
        }

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

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

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

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

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding: 56px 0 30px;
            position: relative;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

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

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

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

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

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

        .footer-links ul li i {
            color: var(--accent-gold);
            margin-right: 6px;
            font-size: 0.8rem;
        }

        .footer-disclaimer {
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .footer-disclaimer strong {
            color: var(--accent-gold);
        }

        .footer-bottom {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 16px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 56px;
            }

            .hero-category {
                min-height: 620px;
                background-attachment: scroll;
            }

            .navbar {
                gap: 10px;
            }

            .nav-menu a {
                padding: 6px 8px;
                font-size: 0.8rem;
            }

            .auth-buttons .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                min-height: 36px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 44px;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-menu {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(7, 31, 19, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(255, 215, 0, 0.2);
                padding: 12px 16px;
                gap: 4px;
                display: none;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            }

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

            .nav-menu a {
                padding: 12px 14px;
                font-size: 0.95rem;
                width: 100%;
                display: block;
            }

            .nav-menu a.active {
                background: rgba(255, 215, 0, 0.12);
                border-radius: var(--radius-sm);
            }

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

            .auth-buttons {
                margin-left: auto;
            }

            .auth-buttons .btn {
                padding: 7px 10px;
                font-size: 0.75rem;
                min-height: 32px;
            }

            .hero-category {
                min-height: 580px;
                padding-top: 90px;
                padding-bottom: 40px;
                background-attachment: scroll;
            }

            .hero-category h1 {
                font-size: clamp(1.5rem, 6vw, 2.2rem);
            }

            .hero-category .hero-sub {
                font-size: 0.95rem;
            }

            .countdown-bar {
                padding: 10px 14px;
                gap: 10px;
            }

            .countdown-value {
                font-size: 1.2rem;
            }

            .countdown-item {
                min-width: 38px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .bottom-conversion-bar {
                display: block;
            }

            .fab-left {
                bottom: 4.5rem;
                left: 0.75rem;
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }

            .final-cta-inner {
                padding: 32px 20px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --space-section: 36px;
            }

            .logo {
                font-size: 0.85rem;
                max-width: 150px;
            }

            .auth-buttons .btn-outline {
                display: none;
            }

            .hero-category {
                min-height: 540px;
            }

            .hero-cta-row {
                flex-direction: column;
                gap: 8px;
            }

            .hero-cta-row .btn {
                width: 100%;
                justify-content: center;
            }

            .countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                max-width: 100%;
            }

            .countdown-timer {
                margin-left: 0;
                gap: 8px;
                width: 100%;
                justify-content: space-between;
            }

            .countdown-item {
                min-width: auto;
                flex: 1;
            }

            .hero-stats-row {
                gap: 6px;
            }

            .stat-badge {
                font-size: 0.75rem;
                padding: 6px 10px;
            }

            .point-card {
                padding: 20px 16px;
            }

            .compare-card {
                padding: 18px 14px;
            }

            .testimonial-card {
                padding: 18px 14px;
            }

            .step-item {
                gap: 12px;
            }

            .step-number {
                width: 40px;
                height: 40px;
                font-size: 0.95rem;
            }

            .step-line {
                left: 19px;
                top: 56px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-dark: #072515;
            --bg-card: #FFFFFF;
            --accent-gold: #FFD700;
            --accent-gold-light: #FFE55C;
            --accent-red: #D32F2F;
            --accent-red-dark: #B71C1C;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: rgba(209, 242, 235, 0.72);
            --text-dark: #1A2B22;
            --text-dark-muted: #4A5D52;
            --border-gold: rgba(255, 215, 0, 0.28);
            --border-light: rgba(255, 255, 255, 0.1);
            --border-article: #E8EDEA;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.18);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.28);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.38);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.25);
            --shadow-gold-hover: 0 8px 32px rgba(255, 215, 0, 0.38);
            --font-primary: 'Be Vietnam Pro', 'Segoe UI', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1160px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 88px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

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

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

        :focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

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

        /* ===== NAVIGATION ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(7, 37, 21, 0.96);
            border-bottom: 1px solid var(--border-gold);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-md);
            height: 76px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: -0.01em;
            line-height: 1.25;
            max-width: 380px;
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 30px;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

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

        .nav-menu li a.active {
            border: 1px solid var(--border-gold);
            background: rgba(255, 215, 0, 0.12);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            font-size: 0.9rem;
            font-weight: 700;
            border-radius: 30px;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-gold);
            border: 1px solid var(--border-gold);
        }

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

        .btn-gold {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #FFC107 100%);
            color: #3D2C00;
            box-shadow: var(--shadow-gold);
        }

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

        .btn-red {
            background: linear-gradient(135deg, var(--accent-red) 0%, var(--accent-red-dark) 100%);
            color: #FFFFFF;
            box-shadow: 0 4px 16px rgba(211, 47, 47, 0.3);
        }

        .btn-red:hover {
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.45);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

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

        /* ===== ARTICLE HERO ===== */
        .article-hero {
            position: relative;
            padding: 130px 0 56px;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border-gold);
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 37, 21, 0.94) 0%, rgba(10, 46, 28, 0.82) 100%);
            z-index: 1;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

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

        .breadcrumb .divider {
            color: var(--accent-gold);
        }

        .article-hero-inner {
            max-width: 840px;
            margin: 0 auto;
            text-align: center;
        }

        .article-hero h1 {
            font-size: clamp(1.75rem, 4.5vw, 2.75rem);
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
        }

        .article-hero .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 30px;
            margin-bottom: var(--spacing-sm);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }

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

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

        .article-excerpt {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 720px;
            margin: 0 auto;
        }

        /* ===== ARTICLE CARD & BODY ===== */
        .article-section {
            padding: var(--spacing-lg) 0 var(--spacing-xl);
            background: rgba(7, 37, 21, 0.35);
        }

        .article-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            max-width: 860px;
            margin: 0 auto;
        }

        .article-cover {
            width: 100%;
            height: auto;
            max-height: 440px;
            object-fit: cover;
            border-bottom: 4px solid var(--accent-gold);
        }

        .article-content-wrap {
            padding: var(--spacing-lg);
        }

        .quick-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-sm);
            padding: var(--spacing-md);
            background: linear-gradient(135deg, #F9FAF7 0%, #F0F5F1 100%);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-lg);
            border: 1px solid #E4E9E5;
        }

        .stat-badge {
            text-align: center;
            padding: 14px 8px;
        }

        .stat-badge i {
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 6px;
        }

        .stat-badge .stat-value {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--bg-primary);
            line-height: 1.2;
        }

        .stat-badge .stat-label {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-dark-muted);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-top: 2px;
        }

        .article-body {
            color: var(--text-dark);
            font-size: 1rem;
            line-height: 1.7;
        }

        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--bg-primary);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent-gold);
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--bg-primary);
            margin: var(--spacing-md) 0 var(--spacing-xs);
            line-height: 1.35;
        }

        .article-body p {
            margin-bottom: var(--spacing-sm);
            color: #2E3D34;
        }

        .article-body ul,
        .article-body ol {
            margin: var(--spacing-sm) 0 var(--spacing-md);
            padding-left: var(--spacing-md);
            color: #2E3D34;
        }

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

        .article-body ul li::marker {
            color: var(--accent-gold);
        }

        .article-body ol li::marker {
            color: var(--accent-red);
            font-weight: 700;
        }

        .article-body blockquote {
            margin: var(--spacing-md) 0;
            padding: var(--spacing-md);
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, rgba(255, 215, 0, 0.03) 100%);
            border-left: 4px solid var(--accent-gold);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: #3D4B42;
        }

        .article-body img {
            margin: var(--spacing-md) 0;
            border-radius: var(--radius-md);
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-md) 0;
            font-size: 0.92rem;
        }

        .article-body th,
        .article-body td {
            padding: 12px 16px;
            border: 1px solid #E2E8E5;
            text-align: left;
        }

        .article-body th {
            background: #F4F8F5;
            font-weight: 700;
            color: var(--bg-primary);
        }

        .article-body a {
            color: var(--accent-red);
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body a:hover {
            color: var(--accent-red-dark);
        }

        .article-body strong {
            color: var(--bg-primary);
            font-weight: 700;
        }

        .not-found {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
        }

        .not-found i {
            font-size: 3.5rem;
            color: #C5CDD2;
            margin-bottom: var(--spacing-sm);
        }

        .not-found h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--bg-primary);
            margin-bottom: var(--spacing-xs);
        }

        .not-found p {
            font-size: 0.98rem;
            color: var(--text-dark-muted);
            max-width: 440px;
            margin: 0 auto var(--spacing-md);
        }

        /* ===== RELATED SECTION ===== */
        .related-section {
            padding: var(--spacing-lg) 0;
            background: rgba(10, 46, 28, 0.45);
        }

        .section-heading {
            margin-bottom: var(--spacing-md);
        }

        .section-heading h2 {
            font-size: 1.65rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            margin-bottom: 6px;
        }

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

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

        .related-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: block;
        }

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

        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 2px solid var(--border-gold);
        }

        .related-card-body {
            padding: var(--spacing-sm);
        }

        .related-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
            line-height: 1.35;
        }

        .related-card-body p {
            font-size: 0.87rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .related-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-top: 8px;
        }

        .related-card-link i {
            transition: transform var(--transition-fast);
        }

        .related-card:hover .related-card-link i {
            transform: translateX(4px);
        }

        /* ===== TRUST DATA ===== */
        .trust-section {
            padding: var(--spacing-lg) 0;
            background: rgba(7, 37, 21, 0.55);
        }

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

        .trust-item {
            text-align: left;
            padding: var(--spacing-sm) var(--spacing-md);
            border-left: 3px solid var(--accent-gold);
            background: rgba(255, 215, 0, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .trust-item .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
        }

        .trust-item .label {
            font-size: 0.87rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--spacing-lg) 0;
            background: rgba(10, 46, 28, 0.45);
        }

        .faq-list {
            max-width: 760px;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: var(--spacing-sm) 0;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            padding: 8px 0;
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
        }

        .faq-question i {
            color: var(--accent-gold);
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), opacity var(--transition-smooth);
            opacity: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            opacity: 1;
        }

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

        .faq-answer p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.6;
            padding: 0 0 var(--spacing-sm);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
            border-top: 1px solid var(--border-gold);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

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

        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-xs);
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.6;
        }

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 2px solid var(--border-gold);
            padding: var(--spacing-xl) 0 var(--spacing-sm);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
            line-height: 1.35;
        }

        .footer-links h4 {
            font-size: 0.88rem;
            font-weight: 700;
            color: #FFFFFF;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: var(--spacing-xs);
        }

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

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

        .footer-links ul li a,
        .footer-links ul li {
            font-size: 0.87rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-links ul li i {
            margin-right: 8px;
            color: var(--accent-gold);
        }

        .footer-disclaimer {
            padding: var(--spacing-sm) var(--spacing-md);
            background: rgba(255, 215, 0, 0.05);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: var(--spacing-md);
        }

        .footer-bottom {
            padding-top: var(--spacing-sm);
            font-size: 0.82rem;
            color: rgba(209, 242, 235, 0.5);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ===== FAB ===== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1A2B22 0%, #0D1F15 100%);
            border: 3px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            animation: fab-float 3s ease-in-out infinite;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .fab::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-red);
            border: 2px solid #FFFFFF;
            animation: fab-blink 1.6s ease-in-out infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(255, 215, 0, 0.5);
        }

        .fab:hover i {
            animation: icon-spin 0.6s ease-in-out;
        }

        .fab:active {
            transform: scale(0.94) translateY(2px);
        }

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

        @keyframes fab-blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

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

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .navbar {
                height: 68px;
            }

            .logo {
                font-size: 1.05rem;
                max-width: 280px;
            }

            .nav-menu {
                gap: 4px;
            }

            .nav-menu li a {
                padding: 8px 10px;
                font-size: 0.83rem;
            }

            .btn {
                padding: 9px 16px;
                font-size: 0.82rem;
            }

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

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

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

        @media (max-width: 768px) {
            .navbar {
                height: 62px;
                flex-wrap: wrap;
                padding: 8px 0;
                gap: 4px;
            }

            .logo {
                font-size: 0.9rem;
                max-width: 210px;
            }

            .mobile-toggle {
                display: flex;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(7, 37, 21, 0.98);
                flex-direction: column;
                padding: var(--spacing-sm);
                border-bottom: 1px solid var(--border-gold);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                box-shadow: var(--shadow-md);
            }

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

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

            .nav-menu li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                text-align: left;
                border-radius: var(--radius-sm);
                width: 100%;
            }

            .auth-buttons {
                margin-left: auto;
            }

            .auth-buttons .btn {
                padding: 8px 12px;
                font-size: 0.76rem;
            }

            .article-hero {
                padding: 100px 0 36px;
            }

            .article-content-wrap {
                padding: var(--spacing-sm);
            }

            .quick-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
                padding: var(--spacing-xs);
            }

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

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

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

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

            .fab {
                bottom: 70px;
                left: 12px;
                width: 46px;
                height: 46px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: var(--spacing-sm);
                padding-right: var(--spacing-sm);
            }

            .logo {
                font-size: 0.78rem;
                max-width: 155px;
            }

            .auth-buttons .btn {
                padding: 6px 10px;
                font-size: 0.7rem;
                border-radius: 20px;
            }

            .article-hero h1 {
                font-size: 1.4rem;
            }

            .article-excerpt {
                font-size: 0.92rem;
            }

            .article-meta {
                flex-direction: column;
                gap: 6px;
            }

            .quick-stats {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }

            .stat-badge .stat-value {
                font-size: 1rem;
            }

            .section-heading h2 {
                font-size: 1.35rem;
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }

            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category2 */
:root {
            --green-deep: #0A2E1C;
            --green-forest: #123E25;
            --green-dark: #082318;
            --gold: #FFD700;
            --gold-dark: #C5A059;
            --gold-light: #FFE066;
            --red: #D32F2F;
            --red-dark: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #A0B8B0;
            --text-soft: #7DA696;
            --border-gold: rgba(255, 215, 0, 0.35);
            --border-gold-strong: rgba(255, 215, 0, 0.65);
            --border-mint: rgba(209, 242, 235, 0.15);
            --shadow-gold: rgba(255, 215, 0, 0.15);
            --shadow-dark: rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 25px rgba(255, 215, 0, 0.18);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-full: 999px;
            --space-xs: 6px;
            --space-sm: 12px;
            --space-md: 20px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 72px;
            --font-body: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            --transition: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            line-height: 1.65;
            background-color: var(--green-deep);
            color: var(--text-white);
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 72px;
        }

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

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

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

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

        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1200px) {
            .container {
                max-width: 1180px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(8, 35, 24, 0.97);
            border-bottom: 1px solid var(--border-gold);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 10px 0;
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
            min-height: 52px;
        }

        .logo {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--gold);
            letter-spacing: -0.3px;
            white-space: nowrap;
            line-height: 1.3;
            max-width: 440px;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .logo:hover {
            color: var(--gold-light);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-menu li a {
            display: block;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-mint);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

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

        .nav-menu li a.active {
            color: var(--gold);
            background: rgba(255, 215, 0, 0.14);
            border-color: var(--border-gold-strong);
            font-weight: 700;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.2px;
            transition: var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            white-space: nowrap;
            text-align: center;
        }

        .btn-outline {
            background: transparent;
            color: var(--gold);
            border-color: var(--border-gold-strong);
        }

        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold-light);
            border-color: var(--gold);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: linear-gradient(135deg, var(--gold) 0%, #FFC400 50%, #FFB300 100%);
            color: #1a1a00;
            border-color: var(--gold);
            box-shadow: 0 4px 18px rgba(255, 215, 0, 0.35);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, #FFD94D 100%);
            color: #0f1f00;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }

        .btn-red {
            background: linear-gradient(135deg, var(--red) 0%, #C62828 50%, #B71C1C 100%);
            color: #fff;
            border-color: var(--red);
            box-shadow: 0 4px 18px rgba(211, 47, 47, 0.4);
        }

        .btn-red:hover {
            background: linear-gradient(135deg, #F44336 0%, var(--red) 50%, #D32F2F 100%);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(211, 47, 47, 0.55);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-gold);
            border-radius: 10px;
            padding: 8px 10px;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
            transition: var(--transition);
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--gold);
            border-radius: 4px;
            transition: var(--transition);
        }

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

        @media (max-width: 1023px) {
            .mobile-toggle {
                display: flex;
            }
            .auth-buttons {
                display: none;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                background: rgba(8, 35, 24, 0.99);
                border-radius: var(--radius-md);
                padding: 12px;
                border: 1px solid var(--border-gold);
                gap: 4px;
                position: absolute;
                top: 62px;
                left: 0;
                right: 0;
                box-shadow: var(--shadow-dark);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                text-align: left;
                border-radius: 12px;
            }
            .nav-menu li a.active {
                background: rgba(255, 215, 0, 0.16);
            }
        }

        @media (max-width: 520px) {
            .logo {
                font-size: 1rem;
                max-width: 220px;
                line-height: 1.25;
            }
            .navbar {
                gap: 8px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 56px 0 48px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 35, 24, 0.72) 0%, rgba(8, 35, 24, 0.92) 60%, var(--green-deep) 100%);
            z-index: 1;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: center;
        }

        .hero-text .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold-strong);
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            text-transform: uppercase;
        }

        .hero-text .hero-badge i {
            color: var(--gold-light);
        }

        .hero-text h1 {
            font-size: 2.7rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.6px;
            color: var(--text-white);
            margin-bottom: 18px;
        }

        .hero-text h1 .highlight {
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 50%, var(--gold) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text .hero-desc {
            font-size: 1.05rem;
            color: var(--text-mint);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 22px;
        }

        .hero-stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 10px;
        }

        .hero-stat-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-mint);
            padding: 10px 16px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            color: var(--text-mint);
        }

        .hero-stat-badge i {
            color: var(--gold);
            font-size: 0.9rem;
        }

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

        .hero-visual .visual-card {
            position: relative;
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 2px solid var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            background: rgba(8, 35, 24, 0.6);
        }

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

        .hero-visual .visual-card .overlay-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            background: rgba(8, 35, 24, 0.9);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-visual .overlay-badge .big-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
        }

        .hero-visual .overlay-badge .badge-label {
            font-size: 0.8rem;
            color: var(--text-mint);
            font-weight: 600;
        }

        .hero-visual .banner-sticker {
            position: absolute;
            top: -18px;
            right: -10px;
            background: linear-gradient(135deg, var(--red) 0%, #C62828 100%);
            color: #fff;
            font-weight: 800;
            font-size: 0.75rem;
            padding: 10px 16px;
            border-radius: var(--radius-full);
            border: 2px solid var(--gold);
            box-shadow: 0 6px 20px rgba(211, 47, 47, 0.5);
            letter-spacing: 0.5px;
            transform: rotate(6deg);
            z-index: 3;
        }

        .hero-visual .banner-sticker i {
            margin-right: 6px;
        }

        @media (max-width: 991px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-text h1 {
                font-size: 2.1rem;
            }
            .hero-visual .visual-card {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .hero {
                padding: 36px 0 32px;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-text .hero-desc {
                font-size: 0.92rem;
            }
            .hero-cta .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-badge {
                font-size: 0.7rem;
                padding: 8px 10px;
            }
            .hero-visual .banner-sticker {
                top: -12px;
                right: -4px;
                font-size: 0.65rem;
                padding: 8px 12px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 64px 0;
            position: relative;
        }

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

        .section-forest {
            background: var(--green-forest);
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.4px;
            color: var(--text-white);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 680px;
            line-height: 1.7;
        }

        @media (max-width: 520px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 22px;
            }
        }

        /* ===== Feature Three Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold) 0%, transparent 100%);
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-6px);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid var(--border-gold);
            color: var(--gold);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        @media (max-width: 767px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== Payout Detail Section ===== */
        .payout-detail-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: start;
        }

        .payout-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .payout-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            transition: var(--transition);
        }

        .payout-list li:hover {
            border-color: var(--border-gold);
            background: rgba(255, 215, 0, 0.05);
        }

        .payout-list li .check-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            background: rgba(255, 215, 0, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--gold);
            margin-top: 2px;
        }

        .payout-list li .list-content {
            flex: 1;
        }

        .payout-list li .list-content strong {
            display: block;
            font-size: 0.95rem;
            color: var(--text-white);
            margin-bottom: 3px;
        }

        .payout-list li .list-content span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .payout-calc-card {
            background: rgba(255, 255, 255, 0.04);
            border: 2px solid var(--border-gold-strong);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
        }

        .payout-calc-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .calc-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-mint);
            font-size: 0.9rem;
        }

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

        .calc-row .label {
            color: var(--text-muted);
            font-weight: 500;
        }

        .calc-row .value {
            color: var(--text-white);
            font-weight: 700;
        }

        .calc-row .value.gold {
            color: var(--gold);
            font-size: 1.1rem;
        }

        @media (max-width: 767px) {
            .payout-detail-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .payout-calc-card {
                padding: 20px 16px;
            }
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: left;
            transition: var(--transition);
            position: relative;
        }

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

        .step-number {
            display: inline-flex;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--gold) 0%, #FFC400 100%);
            color: #1a1a00;
            font-weight: 800;
            font-size: 1.05rem;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }

        .step-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 991px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: var(--border-gold-strong);
            box-shadow: var(--shadow-card-hover);
        }

        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

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

        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 420px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }

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

        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-mint);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: var(--transition);
            line-height: 1.45;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--gold);
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 72px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 35, 24, 0.92) 0%, rgba(18, 62, 37, 0.9) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-box {
            background: rgba(0, 0, 0, 0.35);
            border: 2px solid var(--border-gold-strong);
            border-radius: var(--radius-xl);
            padding: 44px 32px;
            max-width: 680px;
            margin: 0 auto;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
        }

        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cta-box p {
            font-size: 0.95rem;
            color: var(--text-mint);
            margin-bottom: 26px;
            line-height: 1.7;
        }

        .cta-box .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-box {
                padding: 28px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-box .cta-buttons .btn {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--green-dark);
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-brand {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--gold);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .footer-links h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            letter-spacing: 0.4px;
            text-transform: uppercase;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links ul li {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        .footer-links ul li a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-links ul li i {
            color: var(--gold);
            margin-right: 6px;
            font-size: 0.75rem;
        }

        .footer-disclaimer {
            background: rgba(255, 215, 0, 0.05);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-disclaimer strong {
            color: var(--gold);
        }

        .footer-bottom {
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-soft);
            border-top: 1px solid var(--border-mint);
            padding-top: 16px;
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 22px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
        }

        /* ===== FAB ===== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1060;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a0f00 0%, #0A0A00 50%, #1a0f00 100%);
            border: 3px solid var(--gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35), 0 0 0 4px rgba(255, 215, 0, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 1.3rem;
            cursor: pointer;
            opacity: 0.7;
            animation: fabBreathe 3s ease-in-out infinite;
            transition: var(--transition);
            text-decoration: none;
            -webkit-tap-highlight-color: transparent;
        }

        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.55), 0 0 0 6px rgba(255, 215, 0, 0.12);
        }

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

        .fab-support .fab-notification {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #E53935;
            border: 2px solid #fff;
            animation: fabBlink 1.2s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% {
                transform: translateY(0);
                box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35), 0 0 0 4px rgba(255, 215, 0, 0.08);
            }
            50% {
                transform: translateY(-4px);
                box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5), 0 0 0 6px rgba(255, 215, 0, 0.12);
            }
        }

        @keyframes fabBlink {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.3;
                transform: scale(0.8);
            }
        }

        @media (max-width: 520px) {
            .fab-support {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 84px;
            }
        }

        /* ===== Bottom Conversion Bar ===== */
        .bottom-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(8, 35, 24, 0.97);
            border-top: 2px solid var(--border-gold-strong);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 10px 0;
            display: flex;
            align-items: center;
        }

        .bottom-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: nowrap;
        }

        .bottom-cta-bar .bar-text {
            flex: 1;
            min-width: 0;
        }

        .bottom-cta-bar .bar-text strong {
            display: block;
            font-size: 0.88rem;
            color: var(--text-white);
            line-height: 1.35;
        }

        .bottom-cta-bar .bar-text span {
            display: block;
            font-size: 0.72rem;
            color: var(--text-muted);
            line-height: 1.35;
        }

        .bottom-cta-bar .bar-buttons {
            display: flex;
            gap: 8px;
            flex-shrink: 0;
        }

        .bottom-cta-bar .btn {
            padding: 9px 18px;
            font-size: 0.78rem;
        }

        @media (max-width: 520px) {
            .bottom-cta-bar .container {
                gap: 8px;
            }
            .bottom-cta-bar .bar-text strong {
                font-size: 0.75rem;
            }
            .bottom-cta-bar .bar-text span {
                font-size: 0.62rem;
            }
            .bottom-cta-bar .btn {
                padding: 8px 12px;
                font-size: 0.7rem;
            }
            .bottom-cta-bar .bar-buttons {
                gap: 6px;
            }
            body {
                padding-bottom: 60px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-tertiary: #0F3520;
            --bg-deep: #072417;
            --accent-gold: #FFD700;
            --accent-gold-soft: #FFED4A;
            --accent-gold-deep: #C5A000;
            --accent-red: #D32F2F;
            --accent-red-bright: #F44336;
            --text-white: #FFFFFF;
            --text-muted: #D1F2EB;
            --text-soft: #B8E5D9;
            --text-gold: #F5D76E;
            --border-gold: rgba(255, 215, 0, 0.45);
            --border-light: rgba(255, 215, 0, 0.25);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.45);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1200px;
            --header-height: 78px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            font-size: 16px;
            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 85% 25%, rgba(18, 62, 37, 0.7) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(7, 36, 23, 0.9) 0%, transparent 65%);
            background-attachment: fixed;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

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

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(7, 36, 23, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            width: 100%;
        }

        .navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .logo {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--accent-gold);
            letter-spacing: -0.02em;
            line-height: 1.25;
            white-space: nowrap;
            max-width: 340px;
            overflow: hidden;
            text-overflow: ellipsis;
            flex-shrink: 0;
            text-shadow: 0 1px 6px rgba(255, 215, 0, 0.35);
            transition: color var(--transition-fast);
        }
        .logo:hover {
            color: var(--accent-gold-soft);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 1;
            min-width: 0;
        }

        .nav-menu li a {
            display: block;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: 1px solid transparent;
            position: relative;
        }

        .nav-menu li a:hover {
            color: var(--text-white);
            background: rgba(255, 215, 0, 0.1);
            border-color: var(--border-light);
        }

        .nav-menu li a.active {
            color: var(--bg-deep);
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            font-weight: 700;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 0.88rem;
            font-weight: 700;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-base);
            text-align: center;
            line-height: 1.4;
            letter-spacing: 0.01em;
            text-decoration: none;
            min-height: 42px;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent-gold);
            outline-offset: 3px;
        }
        .btn:active {
            transform: translateY(1px) scale(0.98);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: var(--border-gold);
        }
        .btn-outline:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-gold {
            background: var(--accent-gold);
            color: var(--bg-deep);
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }
        .btn-gold:hover {
            background: var(--accent-gold-soft);
            border-color: var(--accent-gold-soft);
            box-shadow: 0 6px 24px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 1rem;
            min-height: 50px;
            border-radius: 999px;
        }

        .btn-red {
            background: var(--accent-red-bright);
            color: #ffffff;
            border-color: var(--accent-red);
            box-shadow: 0 4px 16px rgba(244, 67, 54, 0.4);
        }
        .btn-red:hover {
            background: #e53935;
            border-color: #c62828;
            box-shadow: 0 6px 24px rgba(244, 67, 54, 0.55);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px 6px;
            flex-shrink: 0;
        }
        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* ============ HERO ============ */
        .hero {
            padding: calc(var(--header-height) + 48px) 0 56px;
            position: relative;
            background: 
                linear-gradient(135deg, rgba(7, 36, 23, 0.92) 0%, rgba(18, 62, 37, 0.88) 50%, rgba(7, 36, 23, 0.94) 100%),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border-gold);
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 20px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-gold);
            letter-spacing: 0.04em;
        }
        .hero-tag i {
            font-size: 0.7rem;
        }

        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin: 0;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
        }
        .hero h1 .highlight-gold {
            color: var(--accent-gold);
            text-shadow: 0 0 30px rgba(255, 215, 0, 0.45);
        }
        .hero h1 .highlight-red {
            color: var(--accent-red-bright);
            text-shadow: 0 0 30px rgba(244, 67, 54, 0.4);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 520px;
            margin: 0;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .hero-note {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-soft);
            font-size: 0.85rem;
            font-weight: 400;
        }
        .hero-note i {
            color: var(--accent-gold);
        }

        /* Hero Right: Data Badges */
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .badge-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .badge-card {
            background: rgba(18, 62, 37, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: all var(--transition-base);
        }
        .badge-card:hover {
            background: rgba(18, 62, 37, 0.9);
            border-color: var(--accent-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .badge-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid var(--border-light);
            color: var(--accent-gold);
            font-size: 1.1rem;
            margin-bottom: 4px;
        }

        .badge-value {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .badge-value small {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .badge-label {
            font-size: 0.78rem;
            font-weight: 500;
            color: var(--text-soft);
            line-height: 1.4;
        }

        .hero-cover-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .hero-cover-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/9;
            transition: transform var(--transition-slow);
        }
        .hero-cover-img:hover img {
            transform: scale(1.03);
        }
        .hero-cover-img .overlay-tag {
            position: absolute;
            bottom: 14px;
            left: 14px;
            background: rgba(7, 36, 23, 0.88);
            backdrop-filter: blur(8px);
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-gold);
            border: 1px solid var(--border-gold);
        }

        /* ============ MAIN SECTIONS ============ */
        main {
            display: block;
        }

        .section {
            padding: 64px 0;
            position: relative;
        }

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

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

        .section-header {
            margin-bottom: 36px;
            text-align: left;
            max-width: 720px;
        }
        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.015em;
            color: var(--text-white);
            margin: 0 0 12px;
        }
        .section-header p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ BENEFITS THREE-COLUMN ============ */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .benefit-item {
            background: rgba(18, 62, 37, 0.75);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .benefit-item::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);
        }
        .benefit-item:hover {
            border-color: var(--accent-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            background: rgba(24, 68, 42, 0.85);
        }
        .benefit-item:hover::before {
            opacity: 1;
        }

        .benefit-item .benefit-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            font-size: 1.25rem;
        }

        .benefit-item h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }

        .benefit-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ PROCESS / STEPS ============ */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .process-step {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding: 24px;
            background: rgba(7, 36, 23, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            position: relative;
        }
        .process-step:hover {
            border-color: var(--border-gold);
            background: rgba(18, 62, 37, 0.8);
            box-shadow: var(--shadow-sm);
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gold);
            color: var(--bg-deep);
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-gold);
        }
        .step-number.red {
            background: var(--accent-red-bright);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(244, 67, 54, 0.4);
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }
        .process-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

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

        .scenario-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .scenario-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .scenario-content {
            display: flex;
            flex-direction: column;
            gap: 18px;
            align-items: flex-start;
        }
        .scenario-content h3 {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.015em;
            margin: 0;
            line-height: 1.3;
        }
        .scenario-content p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .scenario-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 0;
            margin: 0;
            width: 100%;
        }
        .scenario-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }
        .scenario-list li i {
            color: var(--accent-gold);
            font-size: 0.9rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ============ SOCIAL PROOF ============ */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .proof-stat {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: left;
            transition: all var(--transition-base);
        }
        .proof-stat:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }

        .proof-stat .proof-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .proof-stat .proof-label {
            font-size: 0.8rem;
            color: var(--text-soft);
            font-weight: 500;
            line-height: 1.4;
            margin-top: 4px;
        }

        .proof-quote {
            background: rgba(7, 36, 23, 0.7);
            border-left: 3px solid var(--accent-gold);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 24px;
            margin-top: 24px;
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .proof-quote strong {
            color: var(--text-gold);
            font-weight: 700;
            font-style: normal;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 820px;
        }

        .faq-item {
            background: rgba(18, 62, 37, 0.7);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-gold);
            background: rgba(24, 68, 42, 0.8);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-white);
            letter-spacing: 0.01em;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-gold);
        }
        .faq-question i {
            color: var(--accent-gold);
            font-size: 0.85rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show {
            display: block;
            animation: fadeInUp 0.3s ease;
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: 48px 0 72px;
            background: 
                linear-gradient(135deg, rgba(7, 36, 23, 0.9) 0%, rgba(18, 62, 37, 0.85) 100%),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
        }

        .cta-box {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 20px;
            text-align: left;
            max-width: 680px;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            margin: 0;
            line-height: 1.3;
        }
        .cta-box p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .cta-box .hero-actions {
            margin-top: 8px;
        }

        /* ============ BOTTOM FIXED CTA BAR ============ */
        .bottom-fixed-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(7, 36, 23, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-top: 1px solid var(--border-gold);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
            padding: 12px 0;
            transform: translateY(0);
            transition: transform var(--transition-base);
        }
        .bottom-fixed-cta.hidden {
            transform: translateY(100%);
        }
        .bottom-fixed-cta .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .bottom-cta-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .bottom-cta-text i {
            color: var(--accent-gold);
            font-size: 1rem;
        }
        .bottom-cta-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        /* ============ FAB (Floating Action Button) ============ */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(145deg, #1a1a1a 0%, #0A2E1C 60%, #0F3520 100%);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            font-size: 1.1rem;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 0 rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: all var(--transition-base);
            opacity: 0.7;
            animation: fabBreath 3s ease-in-out infinite;
            text-decoration: none;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5), inset 0 1px 0 rgba(255, 215, 0, 0.4);
        }
        .fab:active {
            transform: scale(0.95) translateY(1px);
        }
        .fab .notification-dot {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-red-bright);
            border: 2px solid var(--bg-deep);
            animation: dotBlink 1.2s ease-in-out infinite;
        }

        @keyframes fabBreath {
            0%, 100% { box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3), inset 0 1px 0 rgba(255, 215, 0, 0.25); }
            50% { box-shadow: 0 8px 32px rgba(255, 215, 0, 0.6), inset 0 1px 0 rgba(255, 215, 0, 0.4); }
        }
        @keyframes dotBlink {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.8); }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-gold);
            padding: 52px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            line-height: 1.4;
        }
        .footer-grid p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        .footer-links h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links ul li {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .footer-links ul li a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-links ul li a:hover {
            color: var(--accent-gold);
        }
        .footer-links ul li i {
            color: var(--accent-gold);
            margin-right: 6px;
            font-size: 0.8rem;
        }

        .footer-disclaimer {
            background: rgba(255, 215, 0, 0.08);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 20px;
        }
        .footer-disclaimer strong {
            color: var(--text-gold);
            font-weight: 700;
        }

        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-soft);
            padding-top: 18px;
            border-top: 1px solid var(--border-subtle);
            letter-spacing: 0.02em;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-wrapper {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-menu {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(7, 36, 23, 0.97);
                backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-gold);
                transform: translateY(-110%);
                transition: transform var(--transition-base);
                z-index: 999;
                box-shadow: var(--shadow-lg);
                max-height: 60vh;
                overflow-y: auto;
            }
            .nav-menu.active {
                transform: translateY(0);
            }
            .nav-menu li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .mobile-toggle {
                display: flex;
            }
            .auth-buttons {
                margin-left: auto;
            }
            .logo {
                max-width: 220px;
                font-size: 1rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 68px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero {
                padding: calc(var(--header-height) + 28px) 0 40px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .badge-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .badge-value {
                font-size: 1.35rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.55rem;
            }
            .benefits-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .proof-grid {
                grid-template-columns: 2fr 2fr;
                gap: 12px;
            }
            .cta-box h2 {
                font-size: 1.55rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .bottom-fixed-cta .container {
                flex-direction: column;
                gap: 10px;
                align-items: stretch;
                text-align: left;
            }
            .bottom-cta-actions {
                justify-content: flex-start;
            }
            .bottom-cta-text {
                font-size: 0.8rem;
            }
            .fab {
                left: 12px;
                bottom: 88px;
                width: 48px;
                height: 48px;
                font-size: 1rem;
            }
            .auth-buttons .btn-outline {
                display: inline-flex;
            }
            .auth-buttons .btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                min-height: 36px;
            }
            .logo {
                font-size: 0.88rem;
                max-width: 170px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .badge-grid {
                grid-template-columns: 1fr;
            }
            .proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .proof-stat .proof-number {
                font-size: 1.5rem;
            }
            .process-step {
                padding: 18px;
            }
            .benefit-item {
                padding: 20px 18px;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.85rem;
            }
            .faq-answer {
                padding: 0 16px 16px;
            }
            .auth-buttons .btn-outline {
                display: none;
            }
            .auth-buttons .btn-gold {
                display: inline-flex;
                padding: 6px 12px;
                font-size: 0.75rem;
                min-height: 32px;
            }
            .logo {
                font-size: 0.8rem;
                max-width: 145px;
                line-height: 1.3;
            }
            .mobile-toggle span {
                width: 20px;
            }
        }