/* roulang page: index */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --dragon-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 4px 20px rgba(245, 158, 11, 0.25);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'Inter', 'Roboto', Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

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

        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        h2 {
            font-size: 2.2rem;
            margin-bottom: var(--spacing-sm);
        }

        h3 {
            font-size: 1.5rem;
            margin-bottom: var(--spacing-xs);
        }

        p {
            margin: 0 0 var(--spacing-sm) 0;
            color: var(--text-secondary);
            font-size: 1.05rem;
        }

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

        /* Header & Navigation */
        .site-header {
            background: rgba(5, 31, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            text-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 6px;
            color: var(--dragon-red);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            padding: 6px 0;
            transition: color 0.25s;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold-light);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold-light);
            color: var(--accent-gold-light);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            border: none;
            color: #051F14;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.6);
            color: #051F14;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold-light);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 60%, #0A1E16 100%);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 500px;
        }

        .hero-text h1 {
            font-size: 3rem;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(to right, #FDE68A, #F59E0B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text .hero-sub {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            max-width: 650px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(220, 38, 38, 0.15);
            border: 1px solid rgba(220, 38, 38, 0.4);
            color: #FCA5A5;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: var(--spacing-sm);
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, #F59E0B, #FCD34D);
            color: #051F14;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 1.1rem;
            transition: all 0.3s;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(245, 158, 11, 0.7);
            color: #051F14;
        }

        .hero-map-panel {
            flex: 0 0 380px;
            background: rgba(11, 46, 30, 0.8);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            backdrop-filter: blur(8px);
        }

        .hero-map-panel img {
            border-radius: var(--radius-md);
            width: 100%;
        }

        .hero-map-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: var(--spacing-sm);
        }

        .hero-map-tags span {
            background: rgba(245, 158, 11, 0.2);
            color: var(--accent-gold-light);
            padding: 6px 14px;
            border-radius: 16px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        /* Countdown Section */
        .countdown-section {
            background: linear-gradient(180deg, #0B2E1E 0%, #051F14 100%);
            padding: var(--spacing-lg) 0;
            text-align: center;
            border-bottom: 1px solid var(--border-subtle);
        }

        .countdown-timer {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: var(--spacing-sm);
        }

        .countdown-item {
            background: rgba(220, 38, 38, 0.2);
            border: 1px solid var(--dragon-red);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            min-width: 80px;
        }

        .countdown-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #FCA5A5;
            line-height: 1;
        }

        .countdown-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Section General */
        .section-block {
            padding: var(--spacing-xl) 0;
        }

        .section-dark {
            background-color: var(--secondary-bg);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: var(--spacing-xs);
            color: var(--accent-gold-light);
        }

        .section-sub {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 700px;
            margin-bottom: var(--spacing-lg);
        }

        /* Event Highlights Grid */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .highlight-card {
            background: rgba(11, 46, 30, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

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

        .highlight-card .icon-wrap {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
        }

        .highlight-card h3 {
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .highlight-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .corner-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--dragon-red);
            color: #FFF;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.5px;
        }

        /* Gift Package */
        .gift-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }

        .gift-card {
            background: linear-gradient(145deg, #0B2E1E, #082216);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-sm);
            transition: all 0.3s;
        }

        .gift-card:hover {
            border-color: var(--accent-gold);
            background: rgba(245, 158, 11, 0.05);
        }

        .gift-icon {
            font-size: 2rem;
            color: var(--accent-gold-light);
            flex-shrink: 0;
        }

        .gift-info h4 {
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .gift-info p {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        /* Steps */
        .steps-container {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: center;
            margin-top: var(--spacing-md);
        }

        .step-item {
            flex: 1 1 220px;
            background: rgba(11, 46, 30, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            position: relative;
        }

        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            opacity: 0.5;
        }

        .step-item h4 {
            font-size: 1.1rem;
            margin: 8px 0;
        }

        /* Reward Preview */
        .reward-scroll {
            display: flex;
            gap: var(--spacing-md);
            overflow-x: auto;
            padding-bottom: var(--spacing-sm);
            scroll-snap-type: x mandatory;
        }

        .reward-card {
            flex: 0 0 280px;
            background: rgba(11, 46, 30, 0.8);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            scroll-snap-align: start;
        }

        .reward-card img {
            border-radius: var(--radius-sm);
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .reward-card h4 {
            margin-top: 12px;
            font-size: 1.2rem;
        }

        /* News CMS */
        .news-layout {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }

        .news-main-list {
            flex: 2 1 600px;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .news-item {
            display: flex;
            gap: var(--spacing-sm);
            background: rgba(11, 46, 30, 0.5);
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            padding: var(--spacing-sm);
            transition: all 0.25s;
        }

        .news-item:hover {
            border-color: var(--border-subtle);
            background: rgba(245, 158, 11, 0.05);
        }

        .news-item img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .news-content h4 {
            font-size: 1.1rem;
            margin-bottom: 4px;
        }

        .news-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .news-sidebar {
            flex: 1 1 280px;
            background: rgba(11, 46, 30, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
        }

        .news-sidebar h4 {
            color: var(--accent-gold-light);
            margin-bottom: 12px;
        }

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

        .news-sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.95rem;
        }

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

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }

        .testimonial-card {
            background: rgba(11, 46, 30, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
        }

        .testimonial-card .quote {
            font-style: italic;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-sm);
        }

        .testimonial-card .author {
            font-weight: 700;
            color: var(--accent-gold-light);
        }

        /* Register CTA */
        .cta-section {
            background: linear-gradient(135deg, #0B2E1E, #061F15);
            padding: var(--spacing-xl) 0;
            text-align: center;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            margin: var(--spacing-lg) auto;
            max-width: 900px;
        }

        .cta-section h2 {
            color: var(--accent-gold-light);
        }

        .cta-form {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: var(--spacing-md);
        }

        .cta-form input {
            padding: 12px 20px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid var(--border-subtle);
            color: white;
            min-width: 250px;
            font-size: 1rem;
        }

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

        /* Footer */
        .site-footer {
            background: var(--primary-bg);
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-lg) 0 var(--spacing-sm);
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            color: var(--accent-gold-light);
            margin-bottom: var(--spacing-sm);
        }

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

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

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-md);
            color: var(--text-muted);
        }

        .badge-18 {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(220, 38, 38, 0.9);
            color: white;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
        }

        /* FAB */
        .floating-fab {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 99;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border-radius: 50%;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #051F14;
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid #F59E0B;
        }

        .floating-fab:hover {
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.55);
        }

        @media (max-width: 1024px) {
            h1 {
                font-size: 2.2rem;
            }

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

            .hero-map-panel {
                flex: 0 0 auto;
                width: 100%;
            }

            .main-nav {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }

            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--secondary-bg);
                padding: var(--spacing-sm);
                border-radius: var(--radius-md);
                margin-top: 12px;
            }

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

            .auth-buttons {
                gap: 8px;
            }

            .btn-login,
            .btn-signup {
                padding: 6px 16px;
                font-size: 0.85rem;
            }

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

            .section-title {
                font-size: 1.6rem;
            }

            .news-item {
                flex-direction: column;
            }

            .news-item img {
                width: 100%;
                height: 140px;
            }
        }

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

            .countdown-item {
                min-width: 60px;
                padding: 10px 14px;
            }

            .countdown-number {
                font-size: 1.8rem;
            }

            .cta-form input {
                min-width: 200px;
            }
        }

/* roulang page: article */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --dragon-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 4px 20px rgba(245, 158, 11, 0.25);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'Inter', 'Roboto', Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        /* Header & Navigation */
        .site-header {
            background: rgba(5, 31, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            text-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo i {
            margin-right: 6px;
            color: var(--dragon-red);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            padding: 6px 0;
            transition: color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold-light);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold-light);
            color: var(--accent-gold-light);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--accent-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            border: none;
            color: #051F14;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.6);
            color: #051F14;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Article Banner */
        .article-banner {
            background: linear-gradient(135deg, #0B2E1E 0%, #051F14 100%);
            padding: var(--spacing-lg) 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .article-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(to right, #FDE68A, #F59E0B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: var(--spacing-xs);
            line-height: 1.3;
        }
        .article-meta {
            color: var(--text-muted);
            font-size: 0.95rem;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .article-meta i {
            color: var(--accent-gold);
            margin-right: 4px;
        }
        /* Article Content Layout */
        .article-layout {
            display: flex;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg) 0;
            flex-wrap: wrap;
        }
        .article-main {
            flex: 1 1 750px;
            min-width: 0;
        }
        .article-sidebar {
            flex: 0 1 320px;
        }
        .article-body {
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-subtle);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
            color: var(--text-secondary);
            line-height: 1.75;
            font-size: 1.05rem;
            word-wrap: break-word;
        }
        .article-body h2 {
            font-size: 1.6rem;
            color: var(--accent-gold-light);
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            font-weight: 700;
        }
        .article-body h3 {
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-top: var(--spacing-sm);
            margin-bottom: var(--spacing-xs);
            font-weight: 700;
        }
        .article-body p {
            margin-bottom: var(--spacing-sm);
        }
        .article-body ul,
        .article-body ol {
            padding-left: 24px;
            margin-bottom: var(--spacing-sm);
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body strong {
            color: var(--accent-gold-light);
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(245, 158, 11, 0.05);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: var(--radius-sm);
            margin: var(--spacing-md) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: var(--spacing-sm) 0;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
        }
        /* Sidebar */
        .sidebar-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            border: 1px solid var(--border-subtle);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
            margin-bottom: var(--spacing-md);
        }
        .sidebar-card h4 {
            font-size: 1.25rem;
            color: var(--accent-gold-light);
            margin-bottom: var(--spacing-sm);
            font-weight: 700;
            border-bottom: 2px solid var(--border-subtle);
            padding-bottom: var(--spacing-xs);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: background 0.2s;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            color: var(--text-secondary);
            font-weight: 500;
            transition: color 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a:hover {
            color: var(--accent-gold-light);
        }
        .sidebar-card ul li a i {
            color: var(--accent-gold);
            width: 18px;
            text-align: center;
        }
        .cta-sidebar {
            background: linear-gradient(145deg, #0B2E1E 0%, #051F14 100%);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
            margin-bottom: var(--spacing-md);
        }
        .cta-sidebar h4 {
            color: var(--accent-gold-light);
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .cta-sidebar p {
            color: var(--text-secondary);
            margin-bottom: 12px;
            font-size: 0.95rem;
        }
        .btn-cta {
            background: linear-gradient(135deg, var(--accent-gold), var(--dragon-red));
            border: none;
            color: #fff;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.25s;
            box-shadow: 0 4px 16px rgba(220, 38, 38, 0.4);
            display: inline-block;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(220, 38, 38, 0.6);
            color: #fff;
        }
        /* Related Posts */
        .related-section {
            padding: var(--spacing-lg) 0;
            border-top: 1px solid var(--border-subtle);
        }
        .related-section h2 {
            font-size: 2rem;
            color: var(--accent-gold-light);
            margin-bottom: var(--spacing-md);
            font-weight: 700;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }
        .related-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 2px solid var(--accent-gold);
        }
        .related-card-body {
            padding: var(--spacing-sm);
        }
        .related-card-body h4 {
            font-size: 1.1rem;
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .related-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin: 0;
        }
        /* FAQ Section */
        .faq-section {
            padding: var(--spacing-lg) 0;
            border-top: 1px solid var(--border-subtle);
        }
        .faq-section h2 {
            font-size: 2rem;
            color: var(--accent-gold-light);
            margin-bottom: var(--spacing-md);
            font-weight: 700;
        }
        .faq-item {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
        }
        .faq-question {
            padding: var(--spacing-sm) var(--spacing-md);
            font-weight: 700;
            cursor: pointer;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.2s;
        }
        .faq-question:hover {
            background: rgba(245, 158, 11, 0.05);
        }
        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--text-secondary);
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        /* CTA Section */
        .cta-full {
            background: linear-gradient(135deg, #0B2E1E 0%, #051F14 100%);
            padding: var(--spacing-lg);
            border-radius: var(--radius-lg);
            border: 2px solid var(--accent-gold);
            text-align: center;
            margin: var(--spacing-lg) 0;
            box-shadow: var(--shadow-gold);
        }
        .cta-full h2 {
            font-size: 2rem;
            color: var(--accent-gold-light);
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
        }
        .cta-full p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: var(--spacing-md);
        }
        .not-found {
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl);
            text-align: center;
            border: 1px solid var(--border-subtle);
            margin: var(--spacing-lg) 0;
        }
        .not-found h2 {
            color: var(--accent-gold-light);
            font-weight: 700;
        }
        .not-found p {
            color: var(--text-secondary);
            margin: var(--spacing-sm) 0;
        }
        /* Footer */
        .site-footer {
            background: #030F0A;
            padding: var(--spacing-xl) 0 var(--spacing-md);
            border-top: 2px solid var(--accent-gold);
            margin-top: var(--spacing-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-lg);
        }
        .footer-col h4 {
            color: var(--accent-gold-light);
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            font-size: 1.1rem;
        }
        .footer-col p,
        .footer-col li {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            transition: color 0.2s;
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold-light);
        }
        .badge-18 {
            display: inline-block;
            background: var(--dragon-red);
            color: #fff;
            font-weight: 800;
            border-radius: 20px;
            padding: 4px 14px;
            margin-top: 8px;
            font-size: 0.85rem;
        }
        .footer-bottom {
            text-align: center;
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--border-subtle);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .footer-bottom a {
            color: var(--accent-gold-light);
            font-weight: 600;
        }
        /* FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 99;
            width: 56px;
            height: 56px;
            background: radial-gradient(circle at 30% 30%, #FDE68A, #B45309);
            border-radius: 50%;
            border: 2px solid #F59E0B;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #051F14;
            font-size: 1.6rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            opacity: 0.85;
            animation: floatBreathe 2.5s infinite ease-in-out;
        }
        .fab-floating:hover {
            transform: scale(1.12);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.7);
        }
        @keyframes floatBreathe {
            0% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
            100% { transform: translateY(0); }
        }
        .fab-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: var(--dragon-red);
            border-radius: 50%;
            border: 2px solid #fff;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav { gap: 18px; }
            .article-layout {
                flex-direction: column;
            }
            .article-sidebar {
                flex: 1 1 auto;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(5, 31, 20, 0.98);
                position: absolute;
                top: 60px;
                left: 0;
                padding: 16px;
                border-bottom: 2px solid var(--accent-gold);
                gap: 14px;
            }
            .main-nav.open { display: flex; }
            .mobile-menu-toggle { display: block; }
            .auth-buttons { gap: 6px; }
            .btn-login { padding: 6px 14px; font-size: 0.85rem; }
            .btn-signup { padding: 6px 16px; font-size: 0.85rem; }
            .article-banner h1 { font-size: 1.8rem; }
        }
        @media (max-width: 520px) {
            .hero-text h1 { font-size: 2rem; }
            .related-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --dragon-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 4px 20px rgba(245, 158, 11, 0.25);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'Inter', 'Roboto', Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

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

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

        /* Header & Navigation */
        .site-header {
            background: rgba(5, 31, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            text-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 6px;
            color: var(--dragon-red);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            padding: 6px 0;
            transition: color 0.25s;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold-light);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold-light);
            color: var(--accent-gold-light);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            border: none;
            color: #051F14;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.6);
            color: #051F14;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold-light);
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-section {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 60%, #0A1E16 100%);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 500px;
        }

        .hero-text h1 {
            font-size: 3rem;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(to right, #FDE68A, #F59E0B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.3;
        }

        .hero-text .hero-sub {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            max-width: 650px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(220, 38, 38, 0.15);
            border: 1px solid rgba(220, 38, 38, 0.4);
            color: #FCA5A5;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
        }

        .btn-gold {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: #051F14;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 25px;
            font-size: 1.05rem;
            transition: all 0.3s;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.5);
            cursor: pointer;
            border: none;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.7);
            color: #051F14;
        }

        .hero-visual {
            flex: 1 1 400px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual img {
            max-width: 500px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-gold);
        }

        /* Value Section */
        .value-section {
            padding: var(--spacing-xl) 0;
            background-color: var(--secondary-bg);
        }

        .section-title {
            font-size: 2.2rem;
            margin-bottom: var(--spacing-md);
            color: var(--accent-gold-light);
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .value-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all 0.3s;
        }

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

        .value-card i {
            font-size: 2.5rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-xs);
        }

        .value-card h3 {
            font-size: 1.35rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }

        .value-card p {
            color: var(--text-muted);
            margin: 0;
        }

        /* Strategy Section */
        .strategy-section {
            padding: var(--spacing-xl) 0;
            background-color: var(--primary-bg);
        }

        .strategy-timeline {
            position: relative;
            padding-left: 40px;
            margin-top: var(--spacing-md);
        }

        .strategy-step {
            position: relative;
            margin-bottom: var(--spacing-lg);
            padding: var(--spacing-md);
            background: rgba(11, 46, 30, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all 0.3s;
        }

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

        .strategy-step::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 24px;
            width: 16px;
            height: 16px;
            background: var(--accent-gold);
            border-radius: 50%;
            box-shadow: 0 0 12px var(--accent-gold);
        }

        .strategy-step h3 {
            color: var(--accent-gold-light);
            font-size: 1.4rem;
            margin-bottom: 8px;
        }

        .strategy-step p {
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .step-number {
            display: inline-block;
            background: var(--accent-gold);
            color: #051F14;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 15px;
            font-size: 0.9rem;
            margin-bottom: 8px;
        }

        /* Risks Section */
        .risks-section {
            padding: var(--spacing-xl) 0;
            background: var(--secondary-bg);
        }

        .risk-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin-top: var(--spacing-md);
        }

        .risk-table th,
        .risk-table td {
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }

        .risk-table th {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-gold-light);
            font-weight: 700;
        }

        .risk-table td {
            color: var(--text-secondary);
        }

        .risk-table tr:hover td {
            background: rgba(245, 158, 11, 0.05);
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--dragon-red) 100%);
            padding: var(--spacing-lg) 0;
            text-align: center;
            color: #fff;
        }

        .cta-banner h2 {
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
        }

        .cta-banner p {
            font-size: 1.2rem;
            margin-bottom: var(--spacing-md);
            opacity: 0.95;
        }

        .btn-outline-white {
            display: inline-block;
            background: transparent;
            border: 2px solid #fff;
            color: #fff;
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 25px;
            font-size: 1.1rem;
            transition: all 0.3s;
            cursor: pointer;
        }

        .btn-outline-white:hover {
            background: #fff;
            color: #051F14;
        }

        /* Tips Section */
        .tips-section {
            padding: var(--spacing-xl) 0;
            background: var(--primary-bg);
        }

        .tip-box {
            background: rgba(255, 255, 255, 0.02);
            border-left: 4px solid var(--accent-gold);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-md);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .tip-box h3 {
            color: var(--accent-gold-light);
            margin-bottom: 6px;
        }

        .tip-box p {
            color: var(--text-secondary);
            margin: 0;
        }

        /* Post List */
        .posts-section {
            padding: var(--spacing-xl) 0;
            background: var(--secondary-bg);
        }

        .post-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-md);
        }

        .post-card {
            background: rgba(5, 31, 20, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .post-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

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

        .post-card-body h3 {
            font-size: 1.2rem;
            color: var(--accent-gold-light);
            margin-bottom: 8px;
        }

        .post-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }

        .post-card-body .time {
            font-size: 0.8rem;
            color: var(--text-muted);
            opacity: 0.7;
        }

        /* FAQ */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--primary-bg);
        }

        .faq-item {
            background: rgba(11, 46, 30, 0.3);
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: var(--spacing-md);
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-gold-light);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid transparent;
        }

        .faq-answer {
            padding: 0 var(--spacing-md) var(--spacing-md);
            color: var(--text-secondary);
            display: block;
        }

        /* Footer */
        .site-footer {
            background: var(--secondary-bg);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            border-top: 1px solid var(--border-subtle);
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-lg);
        }

        .footer-col h4 {
            color: var(--accent-gold-light);
            margin-bottom: var(--spacing-xs);
            font-size: 1.1rem;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            transition: color 0.2s;
        }

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

        .badge-18 {
            display: inline-block;
            background: var(--dragon-red);
            color: #fff;
            font-weight: 800;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.85rem;
            margin-top: 8px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

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

        /* FAB */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at center, var(--accent-gold) 10%, var(--accent-gold-light) 90%);
            border: 2px solid var(--accent-gold);
            color: #051F14;
            font-size: 1.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.45);
            transition: all 0.3s;
            opacity: 0.9;
        }

        .fab-left:hover {
            transform: scale(1.1);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(245, 158, 11, 0.7);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .main-nav {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .main-nav,
            .auth-buttons {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                margin-top: 16px;
            }
            .main-nav.open,
            .auth-buttons.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-content {
                flex-direction: column;
                text-align: center;
            }
            .hero-text {
                flex: 1 1 auto;
            }
            .hero-visual {
                flex: 1 1 auto;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .strategy-timeline {
                padding-left: 30px;
            }
            .strategy-step::before {
                left: -24px;
                width: 14px;
                height: 14px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .btn-gold,
            .btn-outline-white {
                width: 100%;
                text-align: center;
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --dragon-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 4px 20px rgba(245, 158, 11, 0.25);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'Inter', 'Roboto', Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

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

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

        .site-header {
            background: rgba(5, 31, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            text-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .logo i {
            margin-right: 6px;
            color: var(--dragon-red);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            padding: 6px 0;
            transition: color 0.25s;
        }

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold-light);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold-light);
            color: var(--accent-gold-light);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
        }

        .btn-login:hover {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            border: none;
            color: #051F14;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.6);
            color: #051F14;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold-light);
            font-size: 1.8rem;
            cursor: pointer;
        }

        .page-banner {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 60%, #0A1E16 100%);
            padding: var(--spacing-lg) 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .banner-text {
            flex: 1 1 480px;
        }

        .banner-text h1 {
            font-size: 2.6rem;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(to right, #FDE68A, #F59E0B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.3;
        }

        .banner-text .banner-sub {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
        }

        .banner-text .banner-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            max-width: 650px;
        }

        .banner-visual {
            flex: 1 1 350px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .banner-visual img {
            max-height: 320px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-gold);
            border: 1px solid var(--border-subtle);
        }

        .btn-cta-gold {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            color: #051F14;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 800;
            font-size: 1.05rem;
            text-transform: uppercase;
            letter-spacing: 0.3px;
            transition: all 0.25s;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.5);
        }

        .btn-cta-gold:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.7);
            color: #051F14;
        }

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

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-bottom: var(--spacing-xs);
        }

        .section-subtitle {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-lg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }

        .feature-card {
            background: rgba(11, 46, 30, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all 0.3s;
        }

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

        .feature-card i {
            font-size: 2rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

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

        .download-steps {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: step-counter;
        }

        .download-steps li {
            counter-increment: step-counter;
            background: rgba(11, 46, 30, 0.6);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: flex-start;
            gap: var(--spacing-md);
            transition: all 0.3s;
        }

        .download-steps li:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
        }

        .step-number {
            background: var(--accent-gold);
            color: #051F14;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .step-content h4 {
            font-size: 1.1rem;
            color: var(--accent-gold-light);
            margin-bottom: 4px;
        }

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

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

        .faq-item {
            background: rgba(11, 46, 30, 0.5);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            transition: all 0.3s;
        }

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

        .faq-question {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold-light);
            margin-bottom: 6px;
        }

        .faq-answer {
            color: var(--text-muted);
            font-size: 0.98rem;
            line-height: 1.6;
            margin: 0;
        }

        .badge-hot {
            background: var(--dragon-red);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            text-transform: uppercase;
            display: inline-block;
            margin-left: 8px;
        }

        .payment-bar {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-sm);
            align-items: center;
            justify-content: center;
            padding: var(--spacing-md) 0;
        }

        .payment-badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 8px 18px;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .payment-badge i {
            color: #10B981;
        }

        .news-card {
            background: rgba(11, 46, 30, 0.5);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
        }

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

        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .news-card-body {
            padding: var(--spacing-sm);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-body h3 {
            font-size: 1.05rem;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .news-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            flex: 1;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-md);
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 18px;
            }
            .banner-text h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(5, 31, 20, 0.98);
                padding: var(--spacing-sm);
                border-radius: var(--radius-sm);
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .auth-buttons {
                display: none;
            }
            .auth-buttons.mobile-show {
                display: flex;
                flex-direction: column;
                width: 100%;
                gap: 10px;
                margin-top: 10px;
            }
            .header-inner {
                position: relative;
            }
            .banner-text h1 {
                font-size: 1.8rem;
            }
            .banner-visual img {
                max-height: 220px;
            }
        }

        @media (max-width: 520px) {
            .banner-text h1 {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .btn-cta-gold {
                padding: 10px 24px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --dragon-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 4px 20px rgba(245, 158, 11, 0.25);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'Inter', 'Roboto', Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        /* Header & Navigation */
        .site-header {
            background: rgba(5, 31, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            text-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo i {
            margin-right: 6px;
            color: var(--dragon-red);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            padding: 6px 0;
            transition: color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold-light);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold-light);
            color: var(--accent-gold-light);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--accent-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            border: none;
            color: #051F14;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.6);
            color: #051F14;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        /* Hero Section - Flash Sale Style */
        .hero-section {
            background: linear-gradient(180deg, #0B2E1E 0%, #051F14 100%);
            padding: var(--spacing-lg) 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }
        .flash-sale-bar {
            background: linear-gradient(90deg, #DC2626, #B91C1C);
            color: #fff;
            text-align: center;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            font-weight: 700;
            position: relative;
            z-index: 2;
        }
        .flash-timer {
            display: inline-flex;
            gap: 6px;
            align-items: center;
        }
        .timer-block {
            background: #fff;
            color: #B91C1C;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 800;
            font-size: 1.2rem;
            min-width: 40px;
            text-align: center;
        }
        .hero-grid {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .hero-text {
            flex: 1 1 500px;
        }
        .hero-text h1 {
            font-size: 2.8rem;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(to right, #FDE68A, #F59E0B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.3;
        }
        .hero-text .hero-sub {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-sm);
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: var(--spacing-sm);
        }
        .hero-card-area {
            flex: 1 1 400px;
            background: rgba(11, 46, 30, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            backdrop-filter: blur(8px);
        }
        .hero-card-area img {
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .promo-hot-tag {
            display: inline-block;
            background: #DC2626;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: var(--spacing-xs);
        }
        .btn-grab {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            border: none;
            color: #051F14;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.25s;
            display: inline-block;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.5);
            margin-top: var(--spacing-sm);
        }
        .btn-grab:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(245, 158, 11, 0.7);
        }
        /* Section common */
        .section {
            padding: var(--spacing-xl) 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: var(--spacing-lg);
        }
        /* Pain Points */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-md);
        }
        .pain-item {
            background: var(--secondary-bg);
            border-left: 4px solid var(--dragon-red);
            padding: var(--spacing-md);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }
        .pain-item i {
            color: var(--dragon-red);
            font-size: 1.4rem;
            margin-bottom: 6px;
        }
        /* Solution Cards */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }
        .solution-card {
            background: linear-gradient(145deg, #0B2E1E, #051F14);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-gold);
        }
        .solution-card h3 {
            color: var(--accent-gold-light);
            margin-bottom: 8px;
            font-size: 1.3rem;
        }
        .solution-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .promo-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-gold-light);
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            margin-bottom: 10px;
        }
        /* Steps */
        .steps-row {
            display: flex;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            justify-content: center;
            text-align: center;
        }
        .step {
            flex: 1 1 180px;
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border-top: 3px solid var(--accent-gold);
        }
        .step-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        /* Data Badges */
        .data-badges {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            justify-content: center;
        }
        .data-badge {
            background: rgba(245, 158, 11, 0.08);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px 30px;
            text-align: center;
            min-width: 180px;
        }
        .data-badge .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }
        .testimonial-card {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            border-left: 3px solid var(--accent-gold);
        }
        .testimonial-card i.stars {
            color: var(--accent-gold);
        }
        /* Info List */
        .info-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }
        .info-item {
            background: var(--secondary-bg);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }
        .info-item img {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
        }
        .info-item h5 {
            margin: 0 0 4px;
            font-size: 1rem;
            color: var(--accent-gold-light);
        }
        .info-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }
        .info-item a {
            color: var(--accent-gold);
            font-weight: 600;
        }
        /* CTA */
        .cta-bar {
            background: linear-gradient(135deg, #0B2E1E, #072A18);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
        }
        .cta-bar h3 {
            font-size: 2rem;
            color: var(--accent-gold-light);
        }
        /* Footer */
        .site-footer {
            background: #030F0A;
            padding: var(--spacing-lg) 0 var(--spacing-sm);
            border-top: 2px solid var(--border-subtle);
            margin-top: var(--spacing-xl);
            color: var(--text-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        .footer-col h4 {
            color: var(--accent-gold-light);
            margin-bottom: 12px;
            font-size: 1.1rem;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
        }
        .badge-18 {
            background: #DC2626;
            color: #fff;
            padding: 4px 10px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-block;
            margin-top: 10px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-sm);
            text-align: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--accent-gold);
        }
        /* Mobile */
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                background: #051F14;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-subtle);
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .auth-buttons {
                margin-left: auto;
            }
        }

/* roulang page: category4 */
:root {
            --primary-bg: #051F14;
            --secondary-bg: #0B2E1E;
            --accent-gold: #F59E0B;
            --accent-gold-light: #FCD34D;
            --dragon-red: #DC2626;
            --text-primary: #F8FAFC;
            --text-secondary: #D1FAE5;
            --text-muted: #A3A375;
            --border-subtle: rgba(245, 158, 11, 0.3);
            --shadow-gold: 0 4px 20px rgba(245, 158, 11, 0.25);
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 6px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', 'Inter', 'Roboto', Arial, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, opacity 0.2s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background: rgba(5, 31, 20, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold-light);
            text-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo i {
            margin-right: 6px;
            color: var(--dragon-red);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 1rem;
            position: relative;
            padding: 6px 0;
            transition: color 0.25s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-gold-light);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
        }
        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--accent-gold-light);
            color: var(--accent-gold-light);
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
        }
        .btn-login:hover {
            background: rgba(245, 158, 11, 0.15);
            border-color: var(--accent-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
            border: none;
            color: #051F14;
            padding: 8px 24px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.25s;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.4);
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.6);
            color: #051F14;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold-light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .category-hero {
            background: linear-gradient(135deg, #051F14 0%, #0B2E1E 60%, #0A1E16 100%);
            padding: var(--spacing-lg) 0;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -20px;
            right: -40px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .category-hero-text {
            flex: 1 1 500px;
        }
        .category-hero-text h1 {
            font-size: 2.5rem;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(to right, #FDE68A, #F59E0B);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero-text p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-md);
            max-width: 600px;
            line-height: 1.7;
        }
        .category-hero-poster {
            flex: 1 1 350px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-gold);
            border: 2px solid var(--border-subtle);
        }
        .section-padding {
            padding: var(--spacing-lg) 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            text-align: left;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
            max-width: 700px;
            text-align: left;
        }
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
        }
        .promo-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .promo-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(245, 158, 11, 0.3);
            border-color: var(--accent-gold);
        }
        .promo-card .hot-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--dragon-red);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .promo-card img {
            border-radius: var(--radius-md);
            margin-bottom: var(--spacing-sm);
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .promo-card h3 {
            font-size: 1.3rem;
            color: var(--accent-gold-light);
            margin-bottom: 8px;
        }
        .promo-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.6;
        }
        .promo-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 4px;
        }
        .badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-gold-light);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
        }
        .event-timeline {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .timeline-item {
            display: flex;
            gap: var(--spacing-md);
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            align-items: flex-start;
        }
        .timeline-icon {
            font-size: 2rem;
            color: var(--accent-gold);
            flex-shrink: 0;
        }
        .timeline-content h4 {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin-bottom: 4px;
        }
        .timeline-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: var(--spacing-sm);
        }
        .stat-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            text-align: center;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .faq-section {
            background: var(--secondary-bg);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg) var(--spacing-md);
            border: 1px solid var(--border-subtle);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }
        .faq-item {
            padding: var(--spacing-sm);
            border-left: 3px solid var(--accent-gold);
            background: rgba(11, 46, 30, 0.6);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
        .faq-item h4 {
            color: var(--accent-gold-light);
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
        }
        .cta-banner {
            background: linear-gradient(135deg, #0B2E1E 0%, #051F14 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: left;
            margin: var(--spacing-lg) 0;
        }
        .cta-banner h2 {
            color: var(--accent-gold-light);
            font-size: 1.8rem;
            margin-bottom: var(--spacing-sm);
        }
        .cta-banner p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: var(--spacing-md);
        }
        .btn-cta {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-light));
            color: #051F14;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 12px 32px;
            border-radius: 30px;
            transition: all 0.3s;
            box-shadow: 0 4px 18px rgba(245, 158, 11, 0.5);
        }
        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.7);
            color: #051F14;
        }
        .site-footer {
            background: #010B07;
            border-top: 1px solid var(--border-subtle);
            padding: var(--spacing-lg) 0 var(--spacing-sm);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        .footer-col h4 {
            color: var(--accent-gold-light);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
        }
        .footer-col p,
        .footer-col li {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 6px;
            list-style: none;
        }
        .footer-col ul {
            padding: 0;
            margin: 0;
        }
        .footer-col li a:hover {
            color: var(--accent-gold);
        }
        .badge-18 {
            display: inline-block;
            background: var(--dragon-red);
            color: #fff;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-top: 8px;
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid var(--border-subtle);
            padding-top: var(--spacing-sm);
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-bottom a {
            color: var(--accent-gold-light);
        }
        .testimonial-card {
            background: var(--secondary-bg);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
        }
        .testimonial-card p {
            color: var(--text-secondary);
            font-style: italic;
            font-size: 0.95rem;
        }
        .testimonial-card .author {
            color: var(--accent-gold);
            font-weight: 600;
            margin-top: 8px;
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
        }
        .fab-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #FCD34D, #B45309);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 6px 25px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #051F14;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }
        .fab-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.55);
        }
        .fab-btn .badge-dot {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            background: var(--dragon-red);
            border: 2px solid #fff;
            border-radius: 50%;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                background: rgba(5, 31, 20, 0.98);
                position: absolute;
                top: 60px;
                left: 0;
                width: 100%;
                padding: var(--spacing-sm);
                border-bottom: 2px solid var(--accent-gold);
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .category-hero-content {
                flex-direction: column;
            }
            .category-hero-text h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .auth-buttons {
                gap: 8px;
            }
            .btn-login,
            .btn-signup {
                padding: 6px 14px;
                font-size: 0.85rem;
            }
        }