/* roulang page: index */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #232326;
            --bg-card: #1A1A1C;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #A67C3D;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A6ACAF;
            --text-soft: #D5D8DC;
            --border-gold: rgba(197, 160, 89, 0.4);
            --border-gold-light: rgba(197, 160, 89, 0.2);
            --shadow-gold: rgba(197, 160, 89, 0.15);
            --shadow-dark: rgba(0, 0, 0, 0.5);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.55;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
        }

        h1 {
            font-size: clamp(1.9rem, 4.2vw, 3.2rem);
            font-weight: 900;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.1rem, 2vw, 1.5rem);
            font-weight: 700;
            color: var(--text-primary);
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: var(--spacing-md);
        }

        .section-badge i {
            font-size: 0.7rem;
        }

        .section-lead {
            font-size: clamp(0.95rem, 1.4vw, 1.1rem);
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 720px;
        }

        .text-gold {
            color: var(--accent-gold) !important;
        }

        .text-amber {
            color: var(--accent-amber) !important;
        }

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

        /* ========== Container Override ========== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== Navbar ========== */
        .navbar-premium {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold-light);
            padding: 12px 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: background var(--transition-smooth);
        }

        .navbar-premium.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        .navbar-brand-custom {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .navbar-brand-custom .brand-icon {
            color: var(--accent-amber);
            font-size: 1.5rem;
        }

        .navbar-brand-custom span {
            color: var(--accent-gold);
        }

        .navbar-premium .nav-link {
            color: var(--text-soft) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            position: relative;
        }

        .navbar-premium .nav-link:hover,
        .navbar-premium .nav-link:focus {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.08);
            outline: none;
        }

        .navbar-premium .nav-link.active {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.15);
        }

        .navbar-premium .navbar-toggler {
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 6px 10px;
        }

        .navbar-premium .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--shadow-gold);
            outline: none;
        }

        .navbar-premium .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C5A059' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .btn-nav {
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-login {
            background: transparent;
            color: var(--text-soft);
            border: 1px solid var(--border-gold-light);
        }

        .btn-nav-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.08);
        }

        .btn-nav-register {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: 1px solid var(--accent-gold);
        }

        .btn-nav-register:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: var(--bg-primary);
            box-shadow: 0 6px 20px var(--shadow-gold);
        }

        .nav-actions-desktop {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-left: 16px;
        }

        /* Mobile nav buttons always visible */
        .nav-actions-mobile {
            display: none;
            align-items: center;
            gap: 8px;
        }

        @media (max-width: 991px) {
            .nav-actions-desktop {
                display: none;
            }
            .nav-actions-mobile {
                display: flex;
            }
            .navbar-collapse {
                background: rgba(18, 18, 18, 0.98);
                border-radius: var(--radius-lg);
                padding: 16px;
                margin-top: 10px;
                border: 1px solid var(--border-gold-light);
            }
            .navbar-premium .nav-link {
                padding: 10px 16px !important;
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-brand-custom {
                font-size: 1rem;
            }
            .btn-nav {
                font-size: 0.75rem;
                padding: 6px 12px;
            }
            .nav-actions-mobile {
                gap: 5px;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            background-image: linear-gradient(135deg, rgba(18, 18, 18, 0.9) 0%, rgba(28, 28, 30, 0.75) 50%, rgba(18, 18, 18, 0.9) 100%), url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(197, 160, 89, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-amber);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-md);
        }

        .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.4rem);
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            color: var(--accent-gold);
            position: relative;
        }

        .hero-description {
            font-size: clamp(0.95rem, 1.4vw, 1.15rem);
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: var(--spacing-lg);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: var(--spacing-lg);
        }

        .btn-hero {
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: 2px solid var(--accent-gold);
        }

        .btn-hero-primary:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: var(--bg-primary);
            box-shadow: 0 12px 32px var(--shadow-gold);
            transform: translateY(-2px);
        }

        .btn-hero-outline {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--border-gold);
        }

        .btn-hero-outline:hover {
            border-color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-amber);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: var(--spacing-md);
        }

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

        .hero-stat-value {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--accent-amber);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .hero-cover-wrapper {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-cover-card {
            width: 100%;
            max-width: 420px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 2px solid var(--border-gold);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(197, 160, 89, 0.15);
            background: var(--bg-secondary);
            transition: transform var(--transition-smooth);
        }

        .hero-cover-card:hover {
            transform: translateY(-8px) scale(1.01);
        }

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

        .hero-cover-body {
            padding: 24px;
        }

        .hero-cover-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .hero-cover-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        @media (max-width: 991px) {
            .hero-section {
                padding: 120px 0 60px;
                min-height: auto;
            }
            .hero-cover-wrapper {
                margin-top: 40px;
            }
        }

        @media (max-width: 520px) {
            .hero-stats {
                gap: 18px;
            }
            .hero-stat-value {
                font-size: 1.4rem;
            }
            .hero-actions {
                gap: 10px;
            }
            .btn-hero {
                font-size: 0.85rem;
                padding: 12px 20px;
            }
        }

        /* ========== Buttons (General) ========== */
        .btn-gold {
            background: var(--accent-gold);
            color: var(--bg-primary);
            border: 2px solid var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-pill);
            padding: 12px 24px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-gold:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: var(--bg-primary);
            box-shadow: 0 8px 24px var(--shadow-gold);
            transform: translateY(-2px);
        }

        .btn-gold-outline {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-pill);
            padding: 12px 24px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-gold-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-amber);
            border-color: var(--accent-amber);
            transform: translateY(-2px);
        }

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

        .section-block-alt {
            padding: var(--spacing-xl) 0;
            background: var(--bg-secondary);
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header h2 {
            margin-bottom: 12px;
        }

        .section-header .section-lead {
            margin-bottom: 0;
        }

        /* ========== Feature / Method Cards ========== */
        .method-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

        .method-card:hover {
            border-color: var(--border-gold);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--shadow-gold);
            transform: translateY(-4px);
        }

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

        .method-card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: rgba(197, 160, 89, 0.12);
            color: var(--accent-amber);
            font-size: 1.4rem;
            margin-bottom: 18px;
        }

        .method-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .method-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== Timeline ========== */
        .timeline-wrapper {
            position: relative;
            padding-left: 32px;
        }

        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-gold), var(--border-gold-light), var(--accent-gold));
        }

        .timeline-item {
            position: relative;
            padding-bottom: 32px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent-gold);
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 10px rgba(197, 160, 89, 0.5);
        }

        .timeline-time {
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-amber);
            margin-bottom: 4px;
        }

        .timeline-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* ========== Security/Trust Badges ========== */
        .trust-badge {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 20px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            height: 100%;
            transition: all var(--transition-fast);
        }

        .trust-badge:hover {
            border-color: var(--border-gold);
            background: rgba(197, 160, 89, 0.06);
        }

        .trust-badge-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.15);
            color: var(--accent-amber);
            font-size: 1.1rem;
        }

        .trust-badge h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }

        .trust-badge p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== Steps (How to) ========== */
        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-gold-light);
        }

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

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: var(--bg-primary);
            font-weight: 900;
            font-size: 1.2rem;
            border-radius: var(--radius-md);
        }

        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }

        .step-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* ========== News/List Section ========== */
        .news-section {
            background: var(--bg-secondary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
        }

        .news-list-item {
            display: flex;
            flex-direction: column;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-gold-light);
            gap: 6px;
            transition: all var(--transition-fast);
        }

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

        .news-list-item:hover .news-list-title {
            color: var(--accent-amber);
        }

        .news-list-meta {
            display: flex;
            gap: 12px;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .news-list-meta .badge-cat {
            background: rgba(197, 160, 89, 0.12);
            color: var(--accent-amber);
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }

        .news-list-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.45;
            transition: color var(--transition-fast);
        }

        .news-list-excerpt {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .news-recommend {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: fit-content;
        }

        .news-recommend h3 {
            font-size: 1.1rem;
            margin-bottom: 16px;
            color: var(--accent-gold);
        }

        .news-recommend-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-gold-light);
            align-items: center;
        }

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

        .news-recommend-thumb {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border-gold-light);
        }

        .news-recommend-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-recommend-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-soft);
            line-height: 1.4;
            transition: color var(--transition-fast);
        }

        .news-recommend-item:hover .news-recommend-title {
            color: var(--accent-amber);
        }

        @media (max-width: 991px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-item .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
        }

        .faq-item .accordion-button:not(.collapsed) {
            background: rgba(197, 160, 89, 0.08);
            color: var(--accent-amber);
        }

        .faq-item .accordion-button:focus {
            box-shadow: none;
            border: none;
        }

        .faq-item .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C5A059'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .faq-item .accordion-body {
            padding: 18px 22px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
            border-top: 1px solid var(--border-gold-light);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.08) 0%, rgba(18, 18, 18, 0.95) 40%, rgba(18, 18, 18, 0.95) 60%, rgba(197, 160, 89, 0.08) 100%);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
            padding: var(--spacing-xl) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            margin-bottom: 16px;
        }

        .cta-content p {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 28px;
        }

        /* ========== Footer ========== */
        .footer-premium {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-light);
            padding: 48px 0 24px;
        }

        .footer-brand {
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-brand span {
            color: var(--accent-gold);
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
            max-width: 380px;
        }

        .footer-heading {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            color: var(--text-muted);
            font-size: 0.85rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-link:hover {
            color: var(--accent-amber);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-gold-light);
            margin-top: 32px;
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        /* ========== FAB ========== */
        .fab-custom {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1050;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid;
            border-image: linear-gradient(135deg, #CCFF00, #00E0FF) 1;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4), 0 4px 16px rgba(0, 0, 0, 0.5);
            opacity: 0.72;
            cursor: pointer;
            transition: all var(--transition-smooth);
            animation: fabBreathing 2.8s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-custom:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.6), 0 4px 20px rgba(0, 0, 0, 0.6);
        }

        .fab-custom:active {
            transform: scale(0.92);
            border-image: linear-gradient(135deg, #FF007F, #FFBF00) 1;
        }

        .fab-custom .fab-icon {
            color: #00E0FF;
            font-size: 1.5rem;
            transition: all var(--transition-fast);
        }

        .fab-custom:hover .fab-icon {
            animation: fabSpin 0.6s ease-in-out;
        }

        .fab-custom .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: fabBlink 1.4s ease-in-out infinite;
        }

        @keyframes fabBreathing {
            0%, 100% { opacity: 0.72; transform: translateY(0); }
            50% { opacity: 0.95; transform: translateY(-4px); }
        }

        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        @keyframes fabSpin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @media (max-width: 520px) {
            .fab-custom {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
            .fab-custom .fab-icon {
                font-size: 1.3rem;
            }
        }

        /* ========== Responsive Fine-Tune ========== */
        @media (max-width: 768px) {
            .section-block, .section-block-alt {
                padding: 48px 0;
            }
            .hero-stats {
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .method-card {
                padding: 20px 16px;
            }
            .timeline-wrapper {
                padding-left: 24px;
            }
            .timeline-item::before {
                left: -20px;
                width: 10px;
                height: 10px;
            }
            .timeline-wrapper::before {
                left: 10px;
            }
        }

        /* Form styles */
        .form-premium .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            color: var(--text-primary);
            padding: 12px 16px;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .form-premium .form-control:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px var(--shadow-gold);
            color: var(--text-primary);
            outline: none;
        }

        .form-premium .form-control::placeholder {
            color: var(--text-muted);
        }

        .form-premium .form-label {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-bottom: 6px;
        }

/* roulang page: article */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #232326;
            --bg-card: #1A1A1C;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #A67C3D;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A6ACAF;
            --text-soft: #D5D8DC;
            --border-gold: rgba(197, 160, 89, 0.4);
            --border-gold-light: rgba(197, 160, 89, 0.2);
            --shadow-gold: rgba(197, 160, 89, 0.15);
            --shadow-dark: rgba(0, 0, 0, 0.5);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 72px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-amber);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: var(--spacing-md);
        }
        .section-badge i {
            font-size: 0.7rem;
        }
        .section-lead {
            font-size: clamp(0.95rem, 1.4vw, 1.1rem);
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 720px;
        }
        .text-gold {
            color: var(--accent-gold) !important;
        }
        .text-amber {
            color: var(--accent-amber) !important;
        }

        /* Container */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Navbar ========== */
        .navbar-premium {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold-light);
            padding: 12px 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .navbar-premium.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        .navbar-brand-custom {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .navbar-brand-custom .brand-icon {
            color: var(--accent-amber);
            font-size: 1.5rem;
        }
        .navbar-brand-custom span {
            color: var(--accent-gold);
        }
        .navbar-premium .nav-link {
            color: var(--text-soft) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            position: relative;
        }
        .navbar-premium .nav-link:hover,
        .navbar-premium .nav-link:focus {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.08);
            outline: none;
        }
        .navbar-premium .nav-link.active {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.15);
        }
        .navbar-premium .navbar-toggler {
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 6px 10px;
        }
        .navbar-premium .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--shadow-gold);
            outline: none;
        }
        .navbar-premium .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C5A059' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .btn-nav {
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-login {
            background: transparent;
            color: var(--text-soft);
            border: 1px solid var(--border-gold);
        }
        .btn-nav-login:hover {
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-amber);
            border-color: var(--accent-gold);
        }
        .btn-nav-register {
            background: var(--accent-gold);
            color: #121212;
            border: 1px solid var(--accent-gold);
        }
        .btn-nav-register:hover {
            background: var(--accent-amber);
            color: #121212;
            border-color: var(--accent-amber);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 191, 0, 0.25);
        }
        .nav-actions-mobile {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        /* ========== Article Hero ========== */
        .article-hero {
            position: relative;
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background-color: var(--bg-secondary);
            border-bottom: 1px solid var(--border-gold-light);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18,18,18,0.95) 0%, rgba(28,28,30,0.88) 40%, rgba(18,18,18,0.95) 100%);
            z-index: 1;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
            pointer-events: none;
        }
        .article-hero .container-custom {
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }
        .article-breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .article-breadcrumb a:hover {
            color: var(--accent-amber);
        }
        .article-breadcrumb .separator {
            font-size: 0.7rem;
            opacity: 0.6;
        }
        .article-breadcrumb .current {
            color: var(--accent-amber);
            font-weight: 600;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-hero-title {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.01em;
            max-width: 850px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            margin-top: var(--spacing-sm);
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-item i {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }
        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: #121212;
            background: var(--accent-amber);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
        }
        .article-featured-image {
            position: relative;
            z-index: 2;
            margin-top: var(--spacing-lg);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-gold-light);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(197, 160, 89, 0.08);
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/8;
        }

        /* ========== Article Main ========== */
        .article-main-area {
            padding: var(--spacing-xl) 0;
            background: var(--bg-primary);
        }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.7;
            color: var(--text-soft);
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-xs);
        }
        .article-body p {
            margin-bottom: var(--spacing-sm);
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.5rem;
            margin-bottom: var(--spacing-sm);
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body img {
            border-radius: var(--radius-lg);
            margin: var(--spacing-sm) 0;
        }
        .article-body blockquote {
            background: var(--bg-secondary);
            border-left: 4px solid var(--accent-gold);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: var(--spacing-md) 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-body a {
            color: var(--accent-amber);
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition-fast);
        }
        .article-body a:hover {
            border-bottom-color: var(--accent-amber);
        }
        .article-not-found {
            text-align: center;
            padding: var(--spacing-xl) var(--spacing-md);
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-gold-light);
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        .article-not-found h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: var(--spacing-xs);
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: var(--spacing-md);
        }

        /* ========== Sidebar ========== */
        .sidebar-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        .sidebar-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card-title i {
            color: var(--accent-amber);
            font-size: 0.9rem;
        }
        .sidebar-related-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(197, 160, 89, 0.08);
            transition: all var(--transition-fast);
        }
        .sidebar-related-item:last-child {
            border-bottom: none;
        }
        .sidebar-related-item:hover {
            padding-left: 6px;
        }
        .sidebar-related-item img {
            width: 68px;
            height: 52px;
            object-fit: cover;
            border-radius: var(--radius-md);
            flex-shrink: 0;
            border: 1px solid var(--border-gold-light);
        }
        .sidebar-related-text {
            flex: 1;
            min-width: 0;
        }
        .sidebar-related-text a {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-soft);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .sidebar-related-text a:hover {
            color: var(--accent-amber);
        }
        .sidebar-related-text .date {
            font-size: 0.72rem;
            color: var(--text-muted);
            display: block;
            margin-top: 4px;
        }
        .sidebar-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-info-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(197, 160, 89, 0.08);
            font-size: 0.9rem;
            color: var(--text-soft);
        }
        .sidebar-info-list li:last-child {
            border-bottom: none;
        }
        .sidebar-info-list li i {
            color: var(--accent-gold);
            width: 18px;
            text-align: center;
        }
        .sidebar-cta-box {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.15) 0%, rgba(255, 191, 0, 0.08) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            text-align: center;
        }
        .sidebar-cta-box h4 {
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .sidebar-cta-box p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: var(--spacing-sm);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
        }
        .faq-section .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
        }
        .faq-section .accordion-button {
            background: var(--bg-card);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 16px 20px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(197, 160, 89, 0.08);
            color: var(--accent-amber);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px var(--shadow-gold);
            outline: none;
        }
        .faq-section .accordion-button::after {
            filter: invert(70%) sepia(40%) saturate(500%) hue-rotate(10deg);
        }
        .faq-section .accordion-body {
            background: var(--bg-card);
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
            padding: 16px 20px;
            border-top: 1px solid rgba(197, 160, 89, 0.1);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(197, 160, 89, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-panel {
            background: linear-gradient(135deg, #1C1C1E 0%, #232326 50%, #1A1A1C 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(197, 160, 89, 0.1);
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: clamp(1.4rem, 2.5vw, 2rem);
            font-weight: 900;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
        }
        .cta-panel p {
            color: var(--text-muted);
            max-width: 550px;
            margin-bottom: var(--spacing-md);
            font-size: 1rem;
        }
        .btn-gold {
            background: var(--accent-gold);
            color: #121212;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            border: 2px solid var(--accent-gold);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-gold:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: #121212;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 191, 0, 0.3);
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-pill);
            padding: 11px 24px;
            border: 2px solid var(--border-gold);
            transition: all var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-gold:hover {
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-amber);
            border-color: var(--accent-gold);
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .footer-premium {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-light);
            padding: var(--spacing-xl) 0 var(--spacing-sm);
        }
        .footer-brand {
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-xs);
            display: flex;
            align-items: center;
        }
        .footer-brand span {
            color: var(--accent-gold);
        }
        .footer-brand i {
            color: var(--accent-amber);
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 380px;
        }
        .footer-heading {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
            margin-bottom: var(--spacing-sm);
        }
        .footer-link {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }
        .footer-link:hover {
            color: var(--accent-amber);
            padding-left: 6px;
        }
        .footer-bottom {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-sm);
            border-top: 1px solid rgba(197, 160, 89, 0.1);
            font-size: 0.82rem;
            color: var(--text-muted);
            text-align: center;
        }

        /* ========== FAB ========== */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1060;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(145deg, #232326, #0F0F10);
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(197, 160, 89, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab-royal i {
            font-size: 1.3rem;
            color: var(--accent-amber);
            transition: transform var(--transition-smooth);
        }
        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(197, 160, 89, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.12);
        }
        .fab-royal:hover i {
            transform: rotate(360deg);
            transition: transform 0.6s ease;
        }
        .fab-royal:active {
            transform: scale(0.95) translateY(2px);
        }
        .fab-royal .notification-dot {
            position: absolute;
            top: -3px;
            right: -3px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #121212;
            animation: dotBlink 2s ease-in-out infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-4px); }
        }
        @keyframes dotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .navbar-premium .navbar-collapse {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--border-gold-light);
            }
            .navbar-premium .nav-link {
                padding: 10px 16px !important;
                font-size: 0.95rem;
            }
            .nav-actions-mobile {
                margin-left: auto;
            }
            .article-hero {
                padding: var(--spacing-lg) 0;
            }
            .article-hero-title {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 12px;
                font-size: 0.8rem;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .cta-panel {
                padding: var(--spacing-md);
            }
        }
        @media (max-width: 767.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            body {
                padding-top: 64px;
            }
            .navbar-premium {
                padding: 8px 0;
            }
            .navbar-brand-custom {
                font-size: 1rem;
                gap: 5px;
            }
            .navbar-brand-custom .brand-icon {
                font-size: 1.1rem;
            }
            .article-hero-title {
                font-size: 1.35rem;
            }
            .article-breadcrumb .current {
                max-width: 160px;
            }
            .article-main-area {
                padding: var(--spacing-lg) 0;
            }
            .faq-section .accordion-button {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .cta-panel h2 {
                font-size: 1.3rem;
            }
            .btn-gold, .btn-outline-gold {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .footer-premium {
                padding: var(--spacing-lg) 0 var(--spacing-xs);
            }
            .fab-royal {
                width: 46px;
                height: 46px;
                bottom: 84px;
                left: 12px;
            }
            .fab-royal i {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 520px) {
            .navbar-brand-custom span {
                display: none;
            }
            .navbar-brand-custom {
                font-size: 0.95rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .article-hero-title {
                font-size: 1.2rem;
            }
            .cta-panel {
                padding: var(--spacing-sm);
                text-align: center;
            }
            .cta-panel p {
                text-align: left;
            }
            .btn-gold, .btn-outline-gold {
                display: flex;
                justify-content: center;
                width: 100%;
            }
        }

/* roulang page: category1 */
/* ========== Design System Variables ========== */
        :root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #232326;
            --bg-card: #1A1A1C;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #A67C3D;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A6ACAF;
            --text-soft: #D5D8DC;
            --border-gold: rgba(197, 160, 89, 0.4);
            --border-gold-light: rgba(197, 160, 89, 0.2);
            --shadow-gold: rgba(197, 160, 89, 0.15);
            --shadow-dark: rgba(0, 0, 0, 0.5);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ========== Base Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

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

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

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

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

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
        }

        /* ========== Utility Classes ========== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: var(--spacing-md);
        }

        .section-badge i {
            font-size: 0.7rem;
        }

        .section-lead {
            font-size: clamp(0.95rem, 1.4vw, 1.1rem);
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 720px;
        }

        .text-gold {
            color: var(--accent-gold) !important;
        }

        .text-amber {
            color: var(--accent-amber) !important;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.2vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: clamp(0.95rem, 1.3vw, 1.05rem);
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
        }

        /* ========== Navbar ========== */
        .navbar-premium {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold-light);
            padding: 12px 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .navbar-premium.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        .navbar-brand-custom {
            font-weight: 900;
            font-size: 1.25rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .navbar-brand-custom .brand-icon {
            color: var(--accent-amber);
            font-size: 1.5rem;
        }

        .navbar-brand-custom span {
            color: var(--accent-gold);
        }

        .navbar-premium .nav-link {
            color: var(--text-soft) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .navbar-premium .nav-link:hover,
        .navbar-premium .nav-link:focus {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.08);
            outline: none;
        }

        .navbar-premium .nav-link.active {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.15);
            font-weight: 600;
        }

        .navbar-premium .navbar-toggler {
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 6px 10px;
            transition: all var(--transition-fast);
        }

        .navbar-premium .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--shadow-gold);
            outline: none;
        }

        .navbar-premium .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C5A059' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .btn-nav {
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            display: inline-block;
        }

        .btn-nav-login {
            background: transparent;
            color: var(--text-soft);
            border: 1px solid var(--border-gold-light);
        }

        .btn-nav-login:hover {
            color: var(--accent-amber);
            border-color: var(--border-gold);
            background: rgba(197, 160, 89, 0.05);
        }

        .btn-nav-register {
            background: var(--accent-gold);
            color: #121212;
            border: 1px solid var(--accent-gold);
            font-weight: 700;
        }

        .btn-nav-register:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: #121212;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 191, 0, 0.25);
        }

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

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

        /* ========== Hero Section ========== */
        .hero-category {
            position: relative;
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 80vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.95) 0%, rgba(18, 18, 18, 0.8) 40%, rgba(18, 18, 18, 0.65) 100%);
            z-index: 1;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-primary) 0%, transparent 100%);
            z-index: 2;
        }

        .hero-category-content {
            position: relative;
            z-index: 3;
            max-width: 720px;
        }

        .hero-category .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(197, 160, 89, 0.15);
            border: 1px solid var(--border-gold);
            color: var(--accent-amber);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: var(--spacing-md);
        }

        .hero-category h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.15;
            color: var(--text-primary);
            margin-bottom: var(--spacing-md);
        }

        .hero-category h1 .highlight {
            color: var(--accent-amber);
            background: linear-gradient(120deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-category .hero-desc {
            font-size: clamp(1rem, 1.5vw, 1.15rem);
            color: var(--text-soft);
            line-height: 1.7;
            max-width: 620px;
            margin-bottom: var(--spacing-lg);
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .btn-premium-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent-gold);
            color: #121212;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid var(--accent-gold);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-premium-primary:hover {
            background: var(--accent-amber);
            border-color: var(--accent-amber);
            color: #121212;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 191, 0, 0.3);
        }

        .btn-premium-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-soft);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            border: 2px solid var(--border-gold);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-premium-outline:hover {
            color: var(--accent-amber);
            border-color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.06);
            transform: translateY(-2px);
        }

        /* Hero Stats Bar */
        .hero-stats-wrapper {
            position: relative;
            z-index: 3;
            margin-top: -40px;
            padding-bottom: var(--spacing-xl);
        }

        .hero-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-xl);
            padding: 24px 20px;
            box-shadow: 0 16px 40px var(--shadow-dark);
        }

        .stat-item {
            text-align: center;
            padding: 8px 12px;
            border-right: 1px solid var(--border-gold-light);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-amber);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* ========== Content Sections ========== */
        .section-wrapper {
            padding: var(--spacing-xl) 0;
        }

        .section-wrapper-alt {
            padding: var(--spacing-xl) 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
        }

        .analysis-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .analysis-content h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            line-height: 1.25;
        }

        .analysis-content p {
            color: var(--text-muted);
            font-size: 0.98rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }

        .analysis-image-wrap {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-gold-light);
            box-shadow: 0 20px 48px var(--shadow-dark);
        }

        .analysis-image-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .analysis-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(18, 18, 18, 0.5) 0%, transparent 40%);
            pointer-events: none;
        }

        /* Claims Cards */
        .claims-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: var(--spacing-lg);
        }

        .claim-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

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

        .claim-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px var(--shadow-gold);
        }

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

        .claim-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(197, 160, 89, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-amber);
            margin-bottom: var(--spacing-sm);
        }

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

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

        /* Reality Check */
        .reality-box {
            background: var(--bg-card);
            border: 1px solid #d32f2f33;
            border-left: 4px solid #d32f2f;
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
        }

        .reality-box h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #ef5350;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .reality-box p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Red Flags */
        .flags-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: var(--spacing-lg);
        }

        .flag-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: var(--spacing-sm);
            border: 1px solid var(--border-gold-light);
            transition: all var(--transition-fast);
        }

        .flag-item:hover {
            border-color: var(--border-gold);
            background: var(--bg-tertiary);
        }

        .flag-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(211, 47, 47, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ef5350;
            font-size: 0.9rem;
        }

        .flag-text h4 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .flag-text p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* Process Steps */
        .process-timeline {
            position: relative;
            margin-top: var(--spacing-lg);
            padding-left: 28px;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border-gold);
            border-radius: 1px;
        }

        .process-step {
            position: relative;
            margin-bottom: var(--spacing-md);
            padding-left: 16px;
        }

        .process-step:last-child {
            margin-bottom: 0;
        }

        .process-step::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent-gold);
            border: 3px solid var(--bg-secondary);
            box-shadow: 0 0 0 3px var(--border-gold);
        }

        .process-step-number {
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-amber);
            margin-bottom: 4px;
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

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

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.98rem;
            font-weight: 600;
            text-align: left;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

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

        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--accent-amber);
            transition: transform var(--transition-fast);
        }

        .faq-question[aria-expanded="true"] .faq-toggle-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-answer p {
            margin-bottom: 0;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
        }

        .cta-panel {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.08) 0%, rgba(18, 18, 18, 0.95) 60%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: 0 20px 48px var(--shadow-dark);
        }

        .cta-panel h2 {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
        }

        .cta-panel p {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.7;
        }

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

        /* ========== Footer ========== */
        .footer-premium {
            background: var(--bg-primary);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            border-top: 1px solid var(--border-gold-light);
        }

        .footer-brand {
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand span {
            color: var(--accent-gold);
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 340px;
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--accent-amber);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
        }

        .footer-link {
            display: block;
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-bottom: 8px;
            transition: all var(--transition-fast);
        }

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

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

        .footer-bottom p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== FAB ========== */
        .fab-support {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-pill);
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-smooth);
            position: fixed;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
            animation: fabBreathe 3s ease-in-out infinite;
            text-decoration: none;
        }

        .fab-support::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, #FFBF00 0%, #C5A059 50%, #FFBF00 100%);
            z-index: -1;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

        .fab-support:hover::before {
            opacity: 1;
        }

        .fab-support:hover {
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(255, 191, 0, 0.5);
        }

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

        .fab-support i {
            font-size: 1.4rem;
            color: var(--accent-amber);
            transition: transform var(--transition-fast);
        }

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

        .fab-support .notification-dot {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #d32f2f;
            border: 2px solid var(--bg-primary);
            animation: dotPulse 2s ease-in-out infinite;
        }

        @keyframes fabBreathe {
            0%, 100% {
                opacity: 0.75;
                transform: translateY(0);
            }
            50% {
                opacity: 1;
                transform: translateY(-4px);
            }
        }

        @keyframes dotPulse {
            0%, 100% {
                box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(211, 47, 47, 0);
            }
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }

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

            .analysis-image-wrap {
                order: -1;
            }

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

            .hero-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .stat-item:nth-child(2) {
                border-right: none;
            }

            .stat-item {
                border-bottom: 1px solid var(--border-gold-light);
            }

            .stat-item:nth-child(3),
            .stat-item:nth-child(4) {
                border-bottom: none;
            }
        }

        @media (max-width: 768px) {
            .navbar-brand-custom {
                font-size: 1.05rem;
            }

            .navbar-brand-custom .brand-icon {
                font-size: 1.2rem;
            }

            .hero-category {
                padding: 110px 0 60px;
                min-height: auto;
            }

            .hero-category h1 {
                font-size: clamp(1.6rem, 5vw, 2.2rem);
            }

            .hero-stats-wrapper {
                margin-top: -30px;
                padding-bottom: var(--spacing-lg);
            }

            .hero-stats-grid {
                grid-template-columns: repeat(2, 1fr);
                padding: 16px 12px;
            }

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

            .section-wrapper,
            .section-wrapper-alt,
            .cta-section {
                padding: var(--spacing-lg) 0;
            }

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

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

            .cta-panel {
                padding: var(--spacing-md);
            }

            .process-timeline {
                padding-left: 24px;
            }

            .process-step::before {
                left: -24px;
                width: 14px;
                height: 14px;
            }

            .fab-support {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
            }

            .fab-support i {
                font-size: 1.2rem;
            }

            .nav-actions-mobile .btn-nav {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }

            .navbar-brand-custom {
                font-size: 0.9rem;
                gap: 6px;
            }

            .navbar-premium {
                padding: 8px 0;
            }

            .hero-category {
                padding: 100px 0 50px;
            }

            .hero-category h1 {
                font-size: 1.5rem;
            }

            .hero-category .hero-desc {
                font-size: 0.9rem;
            }

            .btn-premium-primary,
            .btn-premium-outline {
                padding: 10px 18px;
                font-size: 0.8rem;
                width: 100%;
                justify-content: center;
            }

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

            .hero-stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 12px 8px;
                border-radius: var(--radius-md);
            }

            .stat-number {
                font-size: 1.2rem;
            }

            .stat-label {
                font-size: 0.7rem;
            }

            .section-title {
                font-size: 1.4rem;
            }

            .analysis-content h2 {
                font-size: 1.3rem;
            }

            .cta-panel h2 {
                font-size: 1.35rem;
            }

            .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }

            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }

            .footer-premium {
                padding: var(--spacing-lg) 0 var(--spacing-sm);
            }

            .footer-brand {
                font-size: 1rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #232326;
            --bg-card: #1A1A1C;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #A67C3D;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A6ACAF;
            --text-soft: #D5D8DC;
            --border-gold: rgba(197, 160, 89, 0.4);
            --border-gold-light: rgba(197, 160, 89, 0.2);
            --shadow-gold: rgba(197, 160, 89, 0.15);
            --shadow-dark: rgba(0, 0, 0, 0.5);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.55;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: 72px;
        }

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

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

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: var(--spacing-md);
        }
        .section-badge i {
            font-size: 0.7rem;
        }

        .section-lead {
            font-size: clamp(0.95rem, 1.4vw, 1.1rem);
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 720px;
        }

        .text-gold {
            color: var(--accent-gold) !important;
        }
        .text-amber {
            color: var(--accent-amber) !important;
        }

        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Navbar ========== */
        .navbar-premium {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold-light);
            padding: 12px 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: background var(--transition-smooth);
        }
        .navbar-premium.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        .navbar-brand-custom {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .navbar-brand-custom .brand-icon {
            color: var(--accent-amber);
            font-size: 1.5rem;
        }
        .navbar-brand-custom span {
            color: var(--accent-gold);
        }
        .navbar-premium .nav-link {
            color: var(--text-soft) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .navbar-premium .nav-link:hover,
        .navbar-premium .nav-link:focus {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.08);
            outline: none;
        }
        .navbar-premium .nav-link.active {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.15);
        }
        .navbar-premium .navbar-toggler {
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 6px 10px;
        }
        .navbar-premium .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--shadow-gold);
            outline: none;
        }
        .navbar-premium .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C5A059' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .btn-nav {
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: none;
            display: inline-block;
        }
        .btn-nav-login {
            background: transparent;
            color: var(--text-soft);
            border: 1px solid var(--border-gold);
        }
        .btn-nav-login:hover {
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-amber);
        }
        .btn-nav-register {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            color: #121212;
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(197, 160, 89, 0.3);
        }
        .btn-nav-register:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(197, 160, 89, 0.45);
            color: #121212;
        }
        .nav-actions-mobile {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .nav-actions-desktop {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        /* ========== Hero Category 2 ========== */
        .hero-cat2 {
            padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: radial-gradient(ellipse at 30% 20%, rgba(197, 160, 89, 0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 80%, rgba(255, 191, 0, 0.04) 0%, transparent 50%),
                        var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .hero-cat2::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-cat2 .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 8px 18px;
        }
        .hero-cat2 h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
        }
        .hero-cat2 .hero-desc {
            font-size: clamp(1rem, 1.5vw, 1.15rem);
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 620px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: var(--spacing-lg);
        }
        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            color: #121212;
            font-weight: 800;
            font-size: 0.95rem;
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            border: none;
            box-shadow: 0 6px 24px rgba(197, 160, 89, 0.35);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(197, 160, 89, 0.5);
            color: #121212;
        }
        .btn-hero-secondary {
            background: transparent;
            color: var(--text-soft);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-pill);
            padding: 14px 26px;
            border: 1px solid var(--border-gold);
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-hero-secondary:hover {
            background: rgba(197, 160, 89, 0.1);
            color: var(--accent-amber);
            border-color: var(--accent-gold);
        }
        .hero-group-info {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: var(--spacing-md);
            font-size: 0.9rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .hero-group-info .group-avatars {
            display: flex;
            align-items: center;
        }
        .hero-group-info .group-avatars .avatar-dot {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            color: #121212;
            margin-left: -6px;
        }
        .hero-group-info .group-avatars .avatar-dot:first-child {
            margin-left: 0;
        }
        .hero-group-info strong {
            color: var(--accent-amber);
            font-weight: 700;
        }
        .hero-panel {
            position: relative;
            z-index: 2;
        }
        .hero-panel-img-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            position: relative;
        }
        .hero-panel-img-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }
        .hero-panel-img-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(18, 18, 18, 0.7) 0%, transparent 50%);
        }
        .hero-panel-overlay {
            position: absolute;
            bottom: 20px;
            left: 20px;
            right: 20px;
            z-index: 3;
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
        }
        .hero-panel-overlay .panel-stat {
            background: rgba(18, 18, 18, 0.85);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 14px 18px;
            border: 1px solid var(--border-gold-light);
        }
        .hero-panel-overlay .panel-stat .number {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent-amber);
            line-height: 1;
        }
        .hero-panel-overlay .panel-stat .label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== Section Spacing ========== */
        .section-block {
            padding: var(--spacing-xl) 0;
        }
        .section-block-alt {
            padding: var(--spacing-xl) 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
        }
        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2.1rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
            line-height: 1.3;
        }
        .section-sub {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ========== Method Feature Row ========== */
        .method-row {
            display: flex;
            gap: var(--spacing-lg);
            align-items: center;
            padding: var(--spacing-lg) 0;
            border-bottom: 1px solid var(--border-gold-light);
        }
        .method-row:last-child {
            border-bottom: none;
        }
        .method-row .method-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-amber);
        }
        .method-row h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .method-row p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .method-row .method-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            margin-bottom: 8px;
        }

        /* ========== Stats Strip ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }
        .stat-item {
            text-align: left;
            padding: var(--spacing-md);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold-light);
            transition: all var(--transition-fast);
        }
        .stat-item:hover {
            border-color: var(--border-gold);
            box-shadow: 0 8px 24px var(--shadow-gold);
        }
        .stat-item .stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-amber);
            line-height: 1.1;
        }
        .stat-item .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
            line-height: 1.4;
        }

        /* ========== Scenario List ========== */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .scenario-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: var(--spacing-md);
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold-light);
            transition: all var(--transition-fast);
        }
        .scenario-item:hover {
            border-color: var(--border-gold);
            transform: translateX(4px);
        }
        .scenario-item .scenario-num {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }
        .scenario-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .scenario-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-lg) !important;
            margin-bottom: var(--spacing-sm);
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            gap: 12px;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(197, 160, 89, 0.08);
            color: var(--accent-amber);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px var(--shadow-gold);
            outline: none;
        }
        .faq-accordion .accordion-button::after {
            background-size: 16px;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C5A059'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .faq-accordion .accordion-body {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            padding: 4px 20px 18px 20px;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: radial-gradient(ellipse at 50% 0%, rgba(197, 160, 89, 0.12) 0%, transparent 65%),
                        var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-lg);
            border: 1px solid var(--border-gold);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        .cta-block .cta-desc {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto var(--spacing-md);
            line-height: 1.6;
        }

        /* ========== FAB ========== */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1060;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 20px;
            border-radius: var(--radius-pill);
            background: rgba(18, 18, 18, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(18, 18, 18, 0.85), rgba(18, 18, 18, 0.85)), 
                              linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.35);
            transition: all var(--transition-smooth);
            cursor: pointer;
            opacity: 0.65;
            animation: fab-float 3s ease-in-out infinite;
            min-height: 48px;
            min-width: 48px;
        }
        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.55);
            transform: scale(1.08);
            animation-play-state: paused;
        }
        .fab-neon:active {
            transform: scale(0.95);
        }
        .fab-neon .fab-icon {
            font-size: 1.2rem;
            color: #00F0FF;
            animation: fab-flicker 2s ease-in-out infinite;
        }
        .fab-neon .fab-text {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
        }
        @keyframes fab-float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes fab-flicker {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        /* ========== Footer ========== */
        .footer-premium {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-brand {
            font-weight: 900;
            font-size: 1.2rem;
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
        }
        .footer-brand span {
            color: var(--accent-gold);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 360px;
        }
        .footer-heading {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-amber);
            margin-bottom: var(--spacing-sm);
        }
        .footer-link {
            display: block;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-link:hover {
            color: var(--accent-amber);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-gold-light);
            padding-top: var(--spacing-md);
            margin-top: var(--spacing-lg);
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }
            .navbar-brand-custom {
                font-size: 1.05rem;
            }
            .navbar-brand-custom .brand-icon {
                font-size: 1.2rem;
            }
            .hero-cat2 {
                padding: var(--spacing-lg) 0;
            }
            .hero-panel-img-wrap img {
                height: 260px;
            }
            .method-row {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--spacing-sm);
            }
            .section-block,
            .section-block-alt {
                padding: var(--spacing-lg) 0;
            }
            .cta-block {
                padding: var(--spacing-lg) var(--spacing-sm);
            }
            .fab-neon {
                left: 12px;
                bottom: 80px;
                padding: 10px 16px;
            }
            .fab-neon .fab-text {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stats-strip {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-panel-overlay {
                flex-direction: column;
                gap: 8px;
                bottom: 12px;
                left: 12px;
                right: 12px;
            }
            .scenario-item {
                flex-direction: column;
                gap: 8px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #232326;
            --bg-card: #1A1A1C;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bronze: #A67C3D;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #A6ACAF;
            --text-soft: #D5D8DC;
            --border-gold: rgba(197, 160, 89, 0.4);
            --border-gold-light: rgba(197, 160, 89, 0.2);
            --shadow-gold: rgba(197, 160, 89, 0.15);
            --shadow-dark: rgba(0, 0, 0, 0.5);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-pill: 50px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 64px;
            --spacing-xxl: 80px;
            --font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.55;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-amber);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            margin-bottom: var(--spacing-md);
        }
        .section-badge i {
            font-size: 0.7rem;
        }
        .section-lead {
            font-size: clamp(0.95rem, 1.4vw, 1.1rem);
            color: var(--text-muted);
            line-height: 1.65;
            max-width: 720px;
        }
        .text-gold {
            color: var(--accent-gold) !important;
        }
        .text-amber {
            color: var(--accent-amber) !important;
        }
        
        /* ========== Container Override ========== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        
        /* ========== Navbar ========== */
        .navbar-premium {
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold-light);
            padding: 12px 0;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .navbar-premium.scrolled {
            background: rgba(18, 18, 18, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }
        .navbar-brand-custom {
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }
        .navbar-brand-custom .brand-icon {
            color: var(--accent-amber);
            font-size: 1.5rem;
        }
        .navbar-brand-custom span {
            color: var(--accent-gold);
        }
        .navbar-premium .nav-link {
            color: var(--text-soft) !important;
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            position: relative;
        }
        .navbar-premium .nav-link:hover,
        .navbar-premium .nav-link:focus {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.08);
            outline: none;
        }
        .navbar-premium .nav-link.active {
            color: var(--accent-amber) !important;
            background: rgba(197, 160, 89, 0.15);
        }
        .navbar-premium .navbar-toggler {
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 6px 10px;
        }
        .navbar-premium .navbar-toggler:focus {
            box-shadow: 0 0 0 3px var(--shadow-gold);
            outline: none;
        }
        .navbar-premium .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C5A059' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .btn-nav {
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-login {
            background: transparent;
            color: var(--text-soft);
            border: 1px solid var(--border-gold);
        }
        .btn-nav-login:hover {
            border-color: var(--accent-amber);
            color: var(--accent-amber);
            background: rgba(255, 191, 0, 0.06);
        }
        .btn-nav-register {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            border: 1px solid transparent;
        }
        .btn-nav-register:hover {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            color: #121212;
            box-shadow: 0 4px 16px var(--shadow-gold);
            transform: translateY(-1px);
        }
        .nav-actions-mobile {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .nav-actions-desktop {
            gap: 10px;
        }
        
        /* ========== Buttons ========== */
        .btn-premium {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            transition: all var(--transition-smooth);
            border: none;
            cursor: pointer;
            text-align: center;
            justify-content: center;
        }
        .btn-premium-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            border: 1px solid transparent;
        }
        .btn-premium-primary:hover {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            color: #121212;
            box-shadow: 0 6px 24px rgba(197, 160, 89, 0.35);
            transform: translateY(-2px);
        }
        .btn-premium-outline {
            background: transparent;
            color: var(--accent-amber);
            border: 1px solid var(--border-gold);
        }
        .btn-premium-outline:hover {
            background: rgba(197, 160, 89, 0.1);
            border-color: var(--accent-amber);
            color: var(--accent-amber);
            box-shadow: 0 4px 16px var(--shadow-gold);
            transform: translateY(-1px);
        }
        .btn-premium:focus-visible {
            outline: 3px solid var(--accent-amber);
            outline-offset: 3px;
        }
        
        /* ========== Hero Banner ========== */
        .hero-banner {
            padding: 140px 0 80px;
            background: linear-gradient(180deg, rgba(18,18,18,0.85) 0%, rgba(28,28,30,0.9) 50%, var(--bg-primary) 100%), url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
            position: relative;
            border-bottom: 1px solid var(--border-gold-light);
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(197, 160, 89, 0.12) 0%, transparent 60%);
            pointer-events: none;
        }
        .hero-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-banner h1 {
            font-size: clamp(1.8rem, 3.6vw, 2.8rem);
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        .hero-banner h1 span {
            color: var(--accent-amber);
        }
        .hero-banner .hero-desc {
            font-size: clamp(1rem, 1.6vw, 1.15rem);
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
        }
        .hero-banner .hero-actions {
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-banner .hero-stats {
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }
        .hero-banner .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-banner .hero-stat .stat-number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-amber);
        }
        .hero-banner .hero-stat .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-banner .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-amber);
            background: rgba(255, 191, 0, 0.1);
            border: 1px solid rgba(255, 191, 0, 0.3);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            margin-bottom: 20px;
        }
        .hero-banner .hero-badge i {
            animation: pulse-icon 2s ease-in-out infinite;
        }
        @keyframes pulse-icon {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        .hero-image-wrapper {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: 0 16px 40px rgba(0,0,0,0.5);
        }
        .hero-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .hero-image-wrapper:hover img {
            transform: scale(1.03);
        }
        .hero-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(18,18,18,0.85) 100%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }
        .hero-image-overlay .overlay-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
        }
        
        /* ========== Sections ========== */
        .section-padding {
            padding: var(--spacing-xl) 0;
        }
        .section-padding-lg {
            padding: var(--spacing-xxl) 0;
        }
        .section-header {
            margin-bottom: var(--spacing-lg);
        }
        .section-header h2 {
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-header h2 span {
            color: var(--accent-amber);
        }
        .section-header .section-lead {
            margin-top: 8px;
        }
        
        /* ========== Value Cards ========== */
        .value-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-md);
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-gold), var(--accent-amber));
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }
        .value-card:hover {
            border-color: var(--border-gold);
            box-shadow: 0 8px 30px var(--shadow-gold);
            transform: translateY(-4px);
        }
        .value-card:hover::before {
            opacity: 1;
        }
        .value-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(197, 160, 89, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-amber);
            margin-bottom: 16px;
        }
        .value-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .value-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        
        /* ========== Steps / Process ========== */
        .process-step {
            display: flex;
            gap: 20px;
            padding: var(--spacing-md);
            background: transparent;
            border-left: 2px solid var(--border-gold-light);
            transition: all var(--transition-fast);
            position: relative;
        }
        .process-step:hover {
            border-left-color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.04);
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-amber));
            color: #121212;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px var(--shadow-gold);
        }
        .step-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        
        /* ========== Scenario Card ========== */
        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            height: 100%;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .scenario-card:hover {
            border-color: var(--border-gold);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.1);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            margin-bottom: 14px;
        }
        .scenario-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .scenario-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        
        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-secondary);
        }
        .accordion-premium .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-gold-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .accordion-premium .accordion-item:hover {
            border-color: var(--border-gold);
        }
        .accordion-premium .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .accordion-premium .accordion-button:not(.collapsed) {
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.08);
            box-shadow: none;
        }
        .accordion-premium .accordion-button:focus {
            outline: none;
            box-shadow: none;
        }
        .accordion-premium .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C5A059'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }
        .accordion-premium .accordion-body {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.65;
            padding: 0 20px 18px;
        }
        
        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary 100%));
            border-top: 1px solid var(--border-gold-light);
            border-bottom: 1px solid var(--border-gold-light);
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.15) 0%, rgba(255, 191, 0, 0.08) 100%);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: clamp(1.3rem, 2vw, 1.8rem);
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .cta-box .btn-premium {
            position: relative;
            z-index: 1;
        }
        
        /* ========== Footer ========== */
        .footer-premium {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-gold-light);
            padding: var(--spacing-xl) 0 var(--spacing-sm);
        }
        .footer-brand {
            font-weight: 900;
            font-size: 1.15rem;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        .footer-brand span {
            color: var(--accent-gold);
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 340px;
        }
        .footer-heading {
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-gold);
            margin-bottom: 16px;
        }
        .footer-link {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            transition: all var(--transition-fast);
        }
        .footer-link:hover {
            color: var(--accent-amber);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-sm);
            border-top: 1px solid var(--border-gold-light);
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        /* ========== FAB (Option 2: Cyber & Neon Style) ========== */
        .fab-premium {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 1055;
            width: 56px;
            height: 56px;
            border-radius: var(--radius-pill);
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), linear-gradient(135deg, #CCFF00, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #CCFF00;
            font-size: 1.3rem;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: all var(--transition-smooth);
            opacity: 0.6;
            cursor: pointer;
            animation: fab-breathe 3s ease-in-out infinite;
        }
        .fab-premium:hover {
            opacity: 1;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7), 0 0 60px rgba(204, 255, 0, 0.3);
            transform: scale(1.1);
            color: #00F0FF;
            animation: fab-flicker 0.4s ease;
        }
        .fab-premium:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 0 40px rgba(255, 0, 127, 0.6);
            border-color: #FF007F;
            color: #FF007F;
        }
        .fab-premium .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid #121212;
            animation: blink-dot 1.5s ease-in-out infinite;
        }
        @keyframes fab-breathe {
            0%, 100% { opacity: 0.6; box-shadow: 0 0 15px rgba(0, 240, 255, 0.5); }
            50% { opacity: 0.8; box-shadow: 0 0 20px rgba(0, 240, 255, 0.65); }
        }
        @keyframes fab-flicker {
            0%, 100% { opacity: 1; }
            30% { opacity: 0.3; }
            50% { opacity: 0.9; }
            70% { opacity: 0.5; }
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        
        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-padding-lg {
                padding: 56px 0;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-banner {
                padding: 110px 0 48px;
            }
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner .hero-stats {
                gap: 20px;
            }
            .section-padding {
                padding: 36px 0;
            }
            .section-padding-lg {
                padding: 44px 0;
            }
            .process-step {
                flex-direction: column;
                gap: 12px;
            }
            .step-number {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
            .value-card {
                padding: var(--spacing-sm);
            }
            .cta-box {
                padding: var(--spacing-md);
            }
            .fab-premium {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 12px;
                bottom: 80px;
            }
        }
        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 1.35rem;
            }
            .hero-banner .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-premium {
                width: 100%;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .hero-banner .hero-stats {
                flex-direction: column;
                gap: 10px;
            }
            .navbar-brand-custom {
                font-size: 1.1rem;
            }
            .navbar-brand-custom .brand-icon {
                font-size: 1.2rem;
            }
        }