/* roulang page: index */
:root {
            --bg-primary: #121212;
            --bg-secondary: #1C1C1E;
            --bg-tertiary: #242428;
            --bg-dark: #0D0D0E;
            --accent-gold: #C5A059;
            --accent-amber: #FFBF00;
            --accent-bright: #E6B84A;
            --accent-red: #D32F2F;
            --text-primary: #F5F5F7;
            --text-secondary: #D4AC0D;
            --text-muted: #9E9E9E;
            --text-body: #C8C8CC;
            --border-color: #2C2C30;
            --border-gold: rgba(197, 160, 89, 0.35);
            --border-radius-xs: 4px;
            --border-radius-sm: 8px;
            --border-radius-md: 14px;
            --border-radius-lg: 24px;
            --border-radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
            --shadow-gold: 0 4px 24px rgba(197, 160, 89, 0.28);
            --shadow-amber: 0 6px 32px rgba(255, 191, 0, 0.18);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
            --font-sans: 'Segoe UI', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --container-max: 1280px;
            --container-narrow: 960px;
            --nav-height: 76px;
            --z-nav: 100;
            --z-fab: 90;
            --z-float: 80;
            --z-overlay: 70;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text-body);
            background-color: var(--bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
            text-rendering: optimizeLegibility;
        }

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

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
            outline: none;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

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

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

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

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            z-index: var(--z-nav);
            background: rgba(18, 18, 18, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            transition: box-shadow var(--transition-base), background-color var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            background: rgba(13, 13, 14, 0.96);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            max-width: 320px;
        }

        .nav-logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #E6B84A, #8B6914);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #0D0D0E;
            box-shadow: 0 0 18px rgba(197, 160, 89, 0.45);
            flex-shrink: 0;
            font-weight: 700;
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.05rem;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .nav-logo-text span {
            color: var(--accent-amber);
        }

        .nav-logo-text small {
            display: block;
            font-weight: 400;
            font-size: 0.68rem;
            color: var(--text-muted);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }

        .nav-links-desktop a {
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-body);
            position: relative;
            transition: color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.08);
        }

        .nav-links-desktop a.active {
            color: var(--accent-amber);
            background: rgba(197, 160, 89, 0.12);
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent-amber);
            border-radius: 2px;
        }

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

        .btn-nav-login {
            padding: 8px 16px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--text-primary);
            transition: color var(--transition-fast), background-color var(--transition-fast);
            white-space: nowrap;
            border: 1px solid transparent;
        }

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

        .btn-nav-signup {
            padding: 9px 22px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.88rem;
            color: #0D0D0E;
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            box-shadow: 0 4px 16px rgba(255, 191, 0, 0.3);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
            white-space: nowrap;
            border: none;
        }

        .btn-nav-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 191, 0, 0.45);
            filter: brightness(1.05);
            color: #0D0D0E;
        }

        .btn-nav-signup:active {
            transform: translateY(0);
            box-shadow: 0 3px 12px rgba(255, 191, 0, 0.3);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--text-primary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            transition: background-color var(--transition-fast), color var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: var(--bg-tertiary);
            color: var(--accent-amber);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(13, 13, 14, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 24px 24px;
            z-index: calc(var(--z-nav) - 1);
            flex-direction: column;
            gap: 6px;
        }

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

        .mobile-menu a {
            padding: 14px 16px;
            border-radius: var(--border-radius-sm);
            font-weight: 500;
            font-size: 1rem;
            color: var(--text-body);
            transition: background-color var(--transition-fast), color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mobile-menu a i {
            width: 20px;
            text-align: center;
            color: var(--accent-gold);
        }

        .mobile-menu a:hover {
            background: rgba(197, 160, 89, 0.08);
            color: var(--accent-amber);
        }

        .mobile-menu a.active {
            background: rgba(197, 160, 89, 0.12);
            color: var(--accent-amber);
        }

        /* ===== BUTTONS GLOBAL ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            border: none;
            text-align: center;
            justify-content: center;
            line-height: 1.2;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            color: #0D0D0E;
            box-shadow: 0 6px 24px rgba(255, 191, 0, 0.32);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(255, 191, 0, 0.5);
            color: #0D0D0E;
            filter: brightness(1.06);
        }

        .btn-primary:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 191, 0, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-gold);
            box-shadow: none;
        }

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

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 0.85rem;
            border-radius: 999px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 999px;
        }

        .btn-block {
            width: 100%;
            display: flex;
        }

        /* ===== BADGES / TAGS ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            line-height: 1.4;
            white-space: nowrap;
        }

        .badge-gold {
            background: rgba(197, 160, 89, 0.14);
            color: var(--accent-amber);
            border: 1px solid var(--border-gold);
        }

        .badge-red {
            background: rgba(211, 47, 47, 0.16);
            color: #FF6B6B;
            border: 1px solid rgba(211, 47, 47, 0.35);
        }

        .badge-outline {
            background: transparent;
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }

        .badge-sm {
            padding: 4px 10px;
            font-size: 0.68rem;
        }

        /* ===== HERO (VIDEO STYLE) ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: calc(var(--nav-height) + 40px) 0 80px;
            overflow: hidden;
            background: var(--bg-dark);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
            filter: saturate(0.8) brightness(0.6);
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(13, 13, 14, 0.55) 0%, rgba(13, 13, 14, 0.75) 55%, rgba(13, 13, 14, 0.95) 100%);
        }

        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(197, 160, 89, 0.12) 0%, transparent 65%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 880px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .hero-badge-row {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-size: clamp(2rem, 5.5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 20px;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--accent-amber), #FFE680);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: var(--accent-amber);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            color: var(--text-body);
            max-width: 720px;
            margin: 0 auto 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            margin-bottom: 36px;
        }

        .btn-play {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: all var(--transition-base);
        }

        .btn-play:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-2px);
            color: var(--text-primary);
        }

        .btn-play i {
            font-size: 1.1rem;
            color: var(--accent-amber);
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-stat {
            text-align: center;
            min-width: 120px;
        }

        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-amber);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            text-transform: uppercase;
            margin-top: 4px;
        }

        .hero-scroll-indicator {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: var(--text-muted);
            font-size: 1.5rem;
            animation: bounceDown 2s infinite;
        }

        @keyframes bounceDown {
            0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
            40% { transform: translateX(-50%) translateY(8px); }
            60% { transform: translateX(-50%) translateY(4px); }
        }

        /* ===== SECTIONS GENERAL ===== */
        section {
            padding: 72px 0;
            position: relative;
        }

        .section-label {
            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);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-amber);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: -0.015em;
            margin-bottom: 14px;
            text-align: left;
        }

        .section-subtitle {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 660px;
            margin-bottom: 40px;
            text-align: left;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header.center {
            text-align: center;
        }

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

        .section-header.center .section-label::before {
            display: none;
        }

        .section-header.center .section-label {
            justify-content: center;
        }

        /* ===== CATEGORY ENTRY ===== */
        .category-section {
            background: var(--bg-primary);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 28px;
        }

        .category-card {
            position: relative;
            border-radius: var(--border-radius-md);
            overflow: hidden;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            min-height: 200px;
        }

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

        .category-card-img {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .category-card:hover .category-card-img img {
            transform: scale(1.05);
        }

        .category-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(18, 18, 18, 0.75) 100%);
        }

        .category-card-body {
            padding: 20px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 8px;
        }

        .category-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
        }

        .category-card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
        }

        .category-card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--accent-amber);
            transition: gap var(--transition-fast);
        }

        .category-card:hover .category-card-link {
            gap: 12px;
        }

        /* ===== RESOURCE LIST ===== */
        .resource-section {
            background: var(--bg-secondary);
        }

        .resource-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 36px;
            align-items: start;
        }

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

        .resource-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 16px;
            border-bottom: 1px solid var(--border-color);
            transition: background-color var(--transition-fast), padding-left var(--transition-fast);
            border-radius: var(--border-radius-sm);
        }

        .resource-item:hover {
            background: rgba(197, 160, 89, 0.05);
            padding-left: 20px;
        }

        .resource-item-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(197, 160, 89, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--accent-amber);
            flex-shrink: 0;
        }

        .resource-item-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .resource-item-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        .resource-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 20px);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .resource-sidebar-card {
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-md);
            padding: 20px;
            border: 1px solid var(--border-color);
        }

        .resource-sidebar-card h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .resource-sidebar-card .mini-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.85rem;
            color: var(--text-body);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: color var(--transition-fast);
        }

        .resource-sidebar-card .mini-list a:last-child {
            border-bottom: none;
        }

        .resource-sidebar-card .mini-list a:hover {
            color: var(--accent-amber);
        }

        .resource-sidebar-card .mini-list a i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        /* ===== LIVE PREVIEW ===== */
        .live-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .live-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .live-cover {
            position: relative;
            border-radius: var(--border-radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16/10;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
        }

        .live-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.75;
        }

        .live-cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 13, 14, 0.7) 0%, rgba(13, 13, 14, 0.3) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 10px;
        }

        .live-cover-overlay .live-icon {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: rgba(211, 47, 47, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #fff;
            box-shadow: 0 0 32px rgba(211, 47, 47, 0.6);
            animation: pulseLive 2s infinite;
        }

        @keyframes pulseLive {
            0%, 100% { box-shadow: 0 0 20px rgba(211, 47, 47, 0.5); }
            50% { box-shadow: 0 0 40px rgba(211, 47, 47, 0.8); }
        }

        .live-cover-overlay span {
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        .live-countdown {
            display: flex;
            gap: 10px;
            margin: 16px 0 20px;
            flex-wrap: wrap;
        }

        .live-countdown-item {
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm);
            padding: 10px 16px;
            text-align: center;
            min-width: 64px;
        }

        .live-countdown-item strong {
            display: block;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-amber);
            line-height: 1.2;
        }

        .live-countdown-item span {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .live-points {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 24px;
        }

        .live-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.55;
        }

        .live-points li i {
            color: var(--accent-amber);
            margin-top: 4px;
            font-size: 0.8rem;
        }

        /* ===== SCENARIO DEMO ===== */
        .scenario-section {
            background: var(--bg-primary);
        }

        .scenario-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            counter-reset: stepCounter;
        }

        .scenario-step {
            position: relative;
            padding: 28px 24px;
            border-radius: var(--border-radius-md);
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
            counter-increment: stepCounter;
        }

        .scenario-step:hover {
            border-color: var(--border-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .scenario-step::before {
            content: counter(stepCounter, decimal-leading-zero);
            position: absolute;
            top: -16px;
            left: 24px;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            color: #0D0D0E;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(255, 191, 0, 0.3);
        }

        .scenario-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 8px 0 8px;
            line-height: 1.35;
        }

        .scenario-step p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== CMS / NEWS LISTING ===== */
        .news-section {
            background: var(--bg-secondary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 36px;
            align-items: start;
        }

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

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 16px;
            border-bottom: 1px solid var(--border-color);
            transition: background-color var(--transition-fast), padding-left var(--transition-fast);
            border-radius: var(--border-radius-sm);
        }

        .news-item:hover {
            background: rgba(197, 160, 89, 0.05);
            padding-left: 20px;
        }

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            min-width: 90px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .news-item-meta i {
            color: var(--accent-gold);
            font-size: 0.7rem;
        }

        .news-item-content {
            flex: 1;
        }

        .news-item-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .news-item-content h3 a {
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

        .news-item-content h3 a:hover {
            color: var(--accent-amber);
        }

        .news-item-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            padding: 40px 20px;
            text-align: center;
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-md);
            border: 1px dashed var(--border-color);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .news-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 20px);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar-card {
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-md);
            padding: 20px;
            border: 1px solid var(--border-color);
        }

        .news-sidebar-card h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-sidebar-card h4 i {
            color: var(--accent-amber);
        }

        .news-sidebar-card .mini-card {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .news-sidebar-card .mini-card:last-child {
            border-bottom: none;
        }

        .news-sidebar-card .mini-card img {
            width: 60px;
            height: 60px;
            border-radius: var(--border-radius-xs);
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-sidebar-card .mini-card .mini-info h5 {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.35;
            margin-bottom: 4px;
        }

        .news-sidebar-card .mini-card .mini-info span {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* ===== DOWNLOAD GUIDE ===== */
        .download-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .download-section::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 191, 0, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .download-info h3 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .download-info p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .download-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 28px;
        }

        .download-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            color: var(--text-body);
        }

        .download-features li i {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(197, 160, 89, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-amber);
            font-size: 0.75rem;
            flex-shrink: 0;
        }

        .download-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-gold);
            border-radius: var(--border-radius-md);
            padding: 28px;
            text-align: center;
            box-shadow: var(--shadow-gold);
        }

        .download-card-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #0D0D0E;
            margin: 0 auto 16px;
            box-shadow: 0 8px 28px rgba(255, 191, 0, 0.35);
        }

        .download-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .download-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

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

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

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

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
            background: none;
            border: none;
            cursor: pointer;
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-bottom: 18px;
        }

        .faq-answer p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FLOATING CTA BAR ===== */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: var(--z-float);
            background: rgba(13, 13, 14, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--border-gold);
            padding: 14px 0;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.6);
        }

        .floating-cta-bar.visible {
            transform: translateY(0);
        }

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

        .floating-cta-text {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            color: var(--text-body);
        }

        .floating-cta-text i {
            color: var(--accent-amber);
            font-size: 1.2rem;
        }

        .floating-cta-text strong {
            color: var(--text-primary);
        }

        .floating-cta-bar .btn {
            flex-shrink: 0;
        }

        /* ===== FAB (LEFT BOTTOM) ===== */
        .fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: var(--z-fab);
            width: 56px;
            height: 56px;
            border-radius: 28px;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-amber);
            cursor: pointer;
            opacity: 0.6;
            transition: opacity var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
            position: relative;
            animation: fabBreath 3s infinite ease-in-out;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 28px;
            padding: 2px;
            background: linear-gradient(135deg, #00F0FF, #FF007F, #FFD700);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .fab::after {
            content: '';
            position: absolute;
            top: -2px;
            right: -2px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #D32F2F;
            border: 2px solid #0D0D0E;
            animation: blinkDot 1.8s infinite;
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.6);
        }

        .fab:active {
            transform: scale(0.95);
            border-color: #FF007F;
            box-shadow: 0 0 36px rgba(255, 0, 127, 0.7);
        }

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

        @keyframes blinkDot {
            0%, 100% { opacity: 1; box-shadow: 0 0 8px rgba(211, 47, 47, 0.8); }
            50% { opacity: 0.4; box-shadow: 0 0 2px rgba(211, 47, 47, 0.2); }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 36px;
            margin-top: 0;
        }

        .footer-layout {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .nav-logo {
            margin-bottom: 14px;
            max-width: 100%;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 380px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

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

        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul a i {
            font-size: 0.65rem;
            color: var(--accent-gold);
        }

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

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom .legal-links a:hover {
            color: var(--accent-amber);
        }

        .footer-compliance {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        .footer-compliance .badge {
            font-size: 0.68rem;
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .nav-links-desktop {
                gap: 4px;
            }

            .nav-links-desktop a {
                padding: 8px 12px;
                font-size: 0.82rem;
            }

            .resource-layout,
            .news-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .resource-sidebar,
            .news-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }

            .resource-sidebar-card,
            .news-sidebar-card {
                flex: 1;
                min-width: 250px;
            }

            .live-layout,
            .download-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .live-cover {
                order: -1;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 56px 0;
            }

            .nav-links-desktop {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-auth {
                gap: 6px;
            }

            .btn-nav-login {
                padding: 7px 12px;
                font-size: 0.8rem;
            }

            .btn-nav-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }

            .hero {
                min-height: 88vh;
                padding-top: calc(var(--nav-height) + 28px);
                padding-bottom: 56px;
            }

            .hero h1 {
                font-size: clamp(1.7rem, 7vw, 2.5rem);
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-stats {
                gap: 20px;
            }

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

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

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

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

            .floating-cta-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }

            .floating-cta-text {
                font-size: 0.82rem;
            }

            .fab {
                left: 12px;
                bottom: 80px;
                width: 48px;
                height: 48px;
                border-radius: 24px;
                font-size: 1.1rem;
            }

            .fab::before {
                border-radius: 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .nav-logo-text {
                font-size: 0.85rem;
                max-width: 180px;
            }

            .nav-logo-text small {
                font-size: 0.6rem;
            }

            .nav-logo-icon {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }

            .btn-nav-login,
            .btn-nav-signup {
                padding: 6px 10px;
                font-size: 0.72rem;
                white-space: nowrap;
            }

            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }

            .hero-actions .btn,
            .hero-actions .btn-play {
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                flex-direction: column;
                gap: 12px;
                align-items: center;
            }

            .hero-stat {
                min-width: auto;
            }

            .resource-sidebar,
            .news-sidebar {
                flex-direction: column;
            }

            .resource-sidebar-card,
            .news-sidebar-card {
                min-width: auto;
            }

            .news-item {
                flex-direction: column;
                gap: 8px;
            }

            .news-item-meta {
                min-width: auto;
            }

            .live-countdown {
                justify-content: center;
            }

            .live-countdown-item {
                padding: 8px 10px;
                min-width: 52px;
            }

            .live-countdown-item strong {
                font-size: 1.2rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

/* roulang page: article */
:root {
            --color-jade-900: #0A2E1C;
            --color-jade-800: #123E25;
            --color-jade-700: #1A5032;
            --color-jade-600: #236642;
            --color-gold-500: #FFD700;
            --color-gold-400: #FFEB6A;
            --color-gold-600: #E6C200;
            --color-red-600: #D32F2F;
            --color-red-500: #E53935;
            --color-white: #FFFFFF;
            --color-mint-100: #D1F2EB;
            --color-mint-200: #A8E6D4;
            --color-mint-300: #7DD4B8;
            --color-ink-900: #0B1F15;
            --color-ink-500: #4A6557;
            --color-ink-300: #7D9385;
            --color-ink-100: #C5D4CB;
            --color-bg-body: #0A2E1C;
            --color-bg-card: rgba(10, 46, 28, 0.72);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --radius-full: 9999px;
            --shadow-soft: 0 6px 24px rgba(0, 0, 0, 0.18);
            --shadow-gold: 0 4px 24px rgba(255, 215, 0, 0.22);
            --shadow-card: 0 14px 44px rgba(0, 0, 0, 0.32);
            --font-primary: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1240px;
            --container-narrow: 860px;
            --header-height: 74px;
            --spacing-1: 8px;
            --spacing-2: 16px;
            --spacing-3: 24px;
            --spacing-4: 32px;
            --spacing-5: 48px;
            --spacing-6: 64px;
            --spacing-7: 96px;
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

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

        body {
            font-family: var(--font-primary);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-white);
            background: var(--color-bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 2px solid var(--color-gold-500);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--spacing-3);
            padding-right: var(--spacing-3);
        }

        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding-left: var(--spacing-3);
            padding-right: var(--spacing-3);
        }

        /* ===== HEADER ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(6, 26, 16, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.16);
            z-index: 999;
            transition: var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 32px rgba(0, 0, 0, 0.4);
            background: rgba(6, 26, 16, 0.97);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: var(--spacing-3);
        }

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

        .nav-logo-icon {
            width: 46px;
            height: 46px;
            border-radius: var(--radius-md);
            background: linear-gradient(145deg, var(--color-gold-500), var(--color-gold-600));
            color: var(--color-jade-900);
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition-base);
        }

        .nav-logo:hover .nav-logo-icon {
            transform: rotate(-8deg) scale(1.05);
        }

        .nav-logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .nav-logo-text span {
            font-size: 15px;
            font-weight: 800;
            color: var(--color-gold-500);
            letter-spacing: 0.02em;
        }

        .nav-logo-text small {
            font-size: 10px;
            font-weight: 500;
            color: var(--color-mint-100);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .nav-logo-text .logo-main {
            font-size: 16px;
            font-weight: 800;
            color: var(--color-white);
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .nav-links-desktop a {
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-mint-100);
            position: relative;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-links-desktop a:hover {
            color: var(--color-gold-500);
            background: rgba(255, 215, 0, 0.08);
        }

        .nav-links-desktop a.active {
            color: var(--color-gold-500);
            background: rgba(255, 215, 0, 0.12);
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-gold-500);
            border-radius: 2px;
        }

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

        .btn-nav-login {
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-white);
            transition: var(--transition-base);
            border: 1px solid transparent;
        }

        .btn-nav-login:hover {
            color: var(--color-gold-500);
            border-color: rgba(255, 215, 0, 0.3);
        }

        .btn-nav-signup {
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 700;
            color: var(--color-jade-900);
            background: linear-gradient(145deg, var(--color-gold-500), var(--color-gold-600));
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            transition: var(--transition-smooth);
            border: none;
        }

        .btn-nav-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 215, 0, 0.25);
            color: var(--color-gold-500);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition-base);
        }

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

        /* Mobile Nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(6, 26, 16, 0.98);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            padding: var(--spacing-3);
            z-index: 998;
            transform: translateY(-110%);
            transition: var(--transition-smooth);
            flex-direction: column;
            gap: 8px;
        }

        .mobile-nav.open {
            transform: translateY(0);
        }

        .mobile-nav a {
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--color-mint-100);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition-base);
        }

        .mobile-nav a:hover,
        .mobile-nav a.active {
            background: rgba(255, 215, 0, 0.1);
            color: var(--color-gold-500);
        }

        /* ===== MAIN ===== */
        .site-main {
            flex: 1;
            margin-top: var(--header-height);
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-bar {
            padding: var(--spacing-2) 0;
            background: rgba(6, 26, 16, 0.5);
            border-bottom: 1px solid rgba(255, 215, 0, 0.08);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-ink-300);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-mint-100);
            transition: var(--transition-base);
        }

        .breadcrumb a:hover {
            color: var(--color-gold-500);
        }

        .breadcrumb .sep {
            color: var(--color-gold-600);
            font-size: 10px;
        }

        .breadcrumb .current {
            color: var(--color-gold-500);
            font-weight: 600;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ===== ARTICLE HERO ===== */
        .article-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: flex-end;
            padding: var(--spacing-6) 0 var(--spacing-5);
            background: linear-gradient(180deg, rgba(10, 46, 28, 0.6) 0%, rgba(10, 46, 28, 0.9) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 215, 0, 0.15);
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 20% 30%, rgba(255, 215, 0, 0.12) 0%, transparent 55%);
            pointer-events: none;
        }

        .article-hero .container-narrow {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            background: linear-gradient(145deg, var(--color-gold-500), var(--color-gold-600));
            color: var(--color-jade-900);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-2);
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
        }

        .article-hero h1 {
            font-size: clamp(26px, 4.5vw, 44px);
            font-weight: 900;
            line-height: 1.25;
            color: var(--color-white);
            margin-bottom: var(--spacing-2);
            letter-spacing: -0.01em;
            max-width: 800px;
        }

        .article-hero h1 .highlight {
            color: var(--color-gold-500);
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--color-mint-100);
        }

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

        .article-meta .meta-item i {
            color: var(--color-gold-500);
            font-size: 14px;
        }

        .article-meta .meta-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-gold-600);
        }

        /* ===== ARTICLE CONTENT ===== */
        .article-content-section {
            padding: var(--spacing-5) 0 var(--spacing-6);
            background: var(--color-bg-body);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: var(--spacing-4);
        }

        .article-main {
            background: rgba(10, 46, 28, 0.55);
            border-radius: var(--radius-lg);
            padding: clamp(var(--spacing-3), 4vw, var(--spacing-5));
            border: 1px solid rgba(255, 215, 0, 0.12);
            box-shadow: var(--shadow-card);
        }

        .article-main .article-content {
            font-size: 16.5px;
            line-height: 1.75;
            color: #E8F2EC;
        }

        .article-main .article-content h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-gold-500);
            margin-top: var(--spacing-5);
            margin-bottom: var(--spacing-2);
            line-height: 1.35;
        }

        .article-main .article-content h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-mint-100);
            margin-top: var(--spacing-4);
            margin-bottom: var(--spacing-1);
            line-height: 1.4;
        }

        .article-main .article-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-mint-200);
            margin-top: var(--spacing-3);
            margin-bottom: var(--spacing-1);
        }

        .article-main .article-content p {
            margin-bottom: var(--spacing-2);
        }

        .article-main .article-content ul,
        .article-main .article-content ol {
            margin-left: var(--spacing-3);
            margin-bottom: var(--spacing-2);
            list-style: none;
        }

        .article-main .article-content ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 8px;
            color: #E8F2EC;
        }

        .article-main .article-content ul li::before {
            content: '♦';
            position: absolute;
            left: 0;
            top: 2px;
            color: var(--color-gold-500);
            font-size: 12px;
        }

        .article-main .article-content ol {
            counter-reset: article-counter;
        }

        .article-main .article-content ol li {
            counter-increment: article-counter;
            position: relative;
            padding-left: 28px;
            margin-bottom: 10px;
            color: #E8F2EC;
        }

        .article-main .article-content ol li::before {
            content: counter(article-counter);
            position: absolute;
            left: 0;
            top: 4px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--color-gold-500), var(--color-gold-600));
            color: var(--color-jade-900);
            font-size: 11px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .article-main .article-content img {
            border-radius: var(--radius-md);
            margin: var(--spacing-3) 0;
            box-shadow: var(--shadow-soft);
        }

        .article-main .article-content blockquote {
            border-left: 4px solid var(--color-gold-500);
            background: rgba(255, 215, 0, 0.06);
            padding: var(--spacing-2) var(--spacing-3);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: var(--spacing-3) 0;
            font-style: italic;
            color: var(--color-mint-100);
        }

        .article-main .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-3) 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
        }

        .article-main .article-content th,
        .article-main .article-content td {
            padding: 12px 16px;
            text-align: left;
            border: 1px solid rgba(255, 215, 0, 0.15);
            font-size: 14px;
        }

        .article-main .article-content th {
            background: rgba(255, 215, 0, 0.12);
            color: var(--color-gold-500);
            font-weight: 700;
        }

        .article-main .article-content td {
            color: #E8F2EC;
        }

        .article-main .article-content a {
            color: var(--color-gold-500);
            font-weight: 600;
            border-bottom: 1px dashed rgba(255, 215, 0, 0.4);
            transition: var(--transition-base);
        }

        .article-main .article-content a:hover {
            color: var(--color-gold-400);
            border-bottom-color: var(--color-gold-500);
        }

        /* ===== ARTICLE NOT FOUND ===== */
        .article-not-found {
            text-align: center;
            padding: var(--spacing-6) var(--spacing-4);
            background: rgba(10, 46, 28, 0.55);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 215, 0, 0.12);
            box-shadow: var(--shadow-card);
        }

        .article-not-found .not-found-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-3);
            font-size: 32px;
            color: var(--color-gold-500);
        }

        .article-not-found h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: var(--spacing-1);
        }

        .article-not-found p {
            color: var(--color-mint-100);
            margin-bottom: var(--spacing-3);
        }

        .article-not-found .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            background: linear-gradient(145deg, var(--color-gold-500), var(--color-gold-600));
            color: var(--color-jade-900);
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            transition: var(--transition-smooth);
        }

        .article-not-found .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
        }

        /* ===== ARTICLE CTA ===== */
        .article-cta-section {
            padding: var(--spacing-5) 0;
            background: linear-gradient(160deg, var(--color-jade-800) 0%, var(--color-jade-900) 100%);
            border-top: 1px solid rgba(255, 215, 0, 0.15);
        }

        .article-cta-card {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: var(--spacing-4);
            align-items: center;
            background: linear-gradient(145deg, rgba(255, 215, 0, 0.1), rgba(255, 215, 0, 0.03));
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: var(--spacing-4) var(--spacing-5);
            box-shadow: var(--shadow-gold);
        }

        .article-cta-card .cta-text h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-gold-500);
            margin-bottom: 8px;
        }

        .article-cta-card .cta-text p {
            color: var(--color-mint-100);
            font-size: 15px;
            line-height: 1.65;
        }

        .article-cta-card .cta-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            background: linear-gradient(145deg, var(--color-gold-500), var(--color-gold-600));
            color: var(--color-jade-900);
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 4px 16px rgba(255, 215, 0, 0.3);
            transition: var(--transition-smooth);
        }

        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            background: transparent;
            border: 1.5px solid var(--color-gold-500);
            color: var(--color-gold-500);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition-smooth);
        }

        .btn-cta-secondary:hover {
            background: rgba(255, 215, 0, 0.1);
            transform: translateY(-2px);
        }

        /* ===== FAQ SECTION ===== */
        .faq-section {
            padding: var(--spacing-6) 0;
            background: var(--color-bg-body);
        }

        .section-heading {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: var(--spacing-4);
        }

        .section-heading .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-gold-500);
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }

        .section-heading .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--color-gold-500);
            border-radius: 2px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.3;
        }

        .section-heading .section-sub {
            font-size: 16px;
            color: var(--color-mint-100);
            line-height: 1.65;
            max-width: 650px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }

        .faq-item {
            background: rgba(10, 46, 28, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-base);
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-2);
            padding: var(--spacing-2) var(--spacing-3);
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--color-white);
            list-style: none;
            user-select: none;
            transition: var(--transition-base);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--color-gold-500);
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--color-gold-500);
            transition: var(--transition-base);
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--color-gold-500);
            color: var(--color-jade-900);
        }

        .faq-item .faq-answer {
            padding: 0 var(--spacing-3) var(--spacing-2);
            color: var(--color-mint-100);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ===== RELATED SECTION ===== */
        .related-section {
            padding: var(--spacing-6) 0;
            background: linear-gradient(180deg, var(--color-bg-body) 0%, var(--color-jade-900) 100%);
            border-top: 1px solid rgba(255, 215, 0, 0.1);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-3);
        }

        .related-card {
            display: flex;
            align-items: center;
            gap: var(--spacing-3);
            background: rgba(10, 46, 28, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.12);
            border-radius: var(--radius-md);
            padding: var(--spacing-2);
            transition: var(--transition-smooth);
            overflow: hidden;
        }

        .related-card:hover {
            border-color: rgba(255, 215, 0, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .related-card img {
            width: 100px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .related-card .related-info {
            flex: 1;
            min-width: 0;
        }

        .related-card .related-cat {
            font-size: 11px;
            font-weight: 700;
            color: var(--color-gold-500);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 4px;
        }

        .related-card .related-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .related-card:hover .related-title {
            color: var(--color-gold-500);
        }

        /* ===== FAB ===== */
        .fab-royal {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: linear-gradient(145deg, #0B1F15 0%, #1A3A28 100%);
            border: 3px solid var(--color-gold-500);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0.7;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            transition: var(--transition-smooth);
            animation: fabBreathing 3s ease-in-out infinite;
            position: fixed;
        }

        .fab-royal .fab-icon {
            font-size: 22px;
            color: var(--color-gold-500);
            transition: var(--transition-smooth);
        }

        .fab-royal .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-red-600);
            border: 2px solid #0B1F15;
            animation: fabBlink 1.8s ease-in-out infinite;
        }

        .fab-royal:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 32px rgba(255, 215, 0, 0.5);
        }

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

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

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

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

        /* ===== FOOTER ===== */
        .site-footer {
            background: #061A10;
            border-top: 2px solid rgba(255, 215, 0, 0.2);
            padding: var(--spacing-5) 0 var(--spacing-3);
            margin-top: auto;
        }

        .footer-layout {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-5);
            margin-bottom: var(--spacing-4);
        }

        .footer-brand .nav-logo {
            margin-bottom: var(--spacing-2);
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--color-ink-300);
            line-height: 1.7;
            margin-bottom: var(--spacing-2);
            max-width: 420px;
        }

        .footer-compliance {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
            transition: var(--transition-base);
        }

        .badge-gold {
            background: rgba(255, 215, 0, 0.15);
            color: var(--color-gold-500);
            border: 1px solid rgba(255, 215, 0, 0.3);
        }

        .badge-outline {
            background: transparent;
            color: var(--color-mint-100);
            border: 1px solid rgba(255, 215, 0, 0.2);
        }

        .badge-sm {
            padding: 4px 10px;
            font-size: 11px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-gold-500);
            margin-bottom: var(--spacing-2);
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            color: var(--color-mint-100);
            font-size: 14px;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul li a i {
            font-size: 10px;
            color: var(--color-gold-600);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--color-gold-500);
        }

        .footer-col ul li a:hover i {
            transform: translateX(3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.1);
            padding-top: var(--spacing-3);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-2);
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--color-ink-300);
        }

        .legal-links {
            display: flex;
            gap: var(--spacing-2);
            align-items: center;
            flex-wrap: wrap;
        }

        .legal-links a {
            color: var(--color-ink-300);
            font-size: 13px;
            transition: var(--transition-base);
        }

        .legal-links a:hover {
            color: var(--color-gold-500);
        }

        .legal-links .sep-dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--color-ink-500);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .article-cta-card {
                grid-template-columns: 1fr;
                text-align: left;
            }

            .article-cta-card .cta-buttons {
                justify-content: flex-start;
            }

            .footer-layout {
                grid-template-columns: 1.5fr 1fr;
                gap: var(--spacing-4);
            }
        }

        @media (max-width: 768px) {
            .nav-links-desktop {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-nav {
                display: flex;
            }

            .article-hero {
                min-height: 300px;
                padding: var(--spacing-5) 0 var(--spacing-4);
            }

            .article-hero h1 {
                font-size: 26px;
            }

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

            .footer-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-4);
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: var(--spacing-2);
            }

            .legal-links {
                justify-content: center;
            }

            .article-cta-card {
                padding: var(--spacing-3);
            }

            .article-main {
                padding: var(--spacing-2);
            }

            .breadcrumb .current {
                max-width: 160px;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 64px;
            }

            .nav-logo-text span {
                font-size: 13px;
            }

            .nav-logo-text small {
                font-size: 9px;
            }

            .nav-logo-icon {
                width: 38px;
                height: 38px;
                font-size: 18px;
            }

            .btn-nav-signup {
                padding: 8px 14px;
                font-size: 12px;
            }

            .btn-nav-login {
                padding: 8px 12px;
                font-size: 12px;
            }

            .nav-auth {
                gap: 6px;
            }

            .article-hero {
                min-height: 240px;
                padding: var(--spacing-4) 0 var(--spacing-3);
            }

            .article-hero h1 {
                font-size: 22px;
            }

            .article-meta {
                font-size: 12px;
                gap: 10px;
            }

            .article-main .article-content {
                font-size: 15px;
            }

            .article-main .article-content h2 {
                font-size: 20px;
            }

            .section-heading h2 {
                font-size: 24px;
            }

            .faq-item summary {
                font-size: 14px;
                padding: var(--spacing-2);
            }

            .btn-cta-primary,
            .btn-cta-secondary {
                padding: 12px 20px;
                font-size: 13px;
                width: 100%;
                justify-content: center;
            }

            .article-cta-card .cta-buttons {
                flex-direction: column;
                gap: 8px;
            }

            .related-card img {
                width: 76px;
                height: 64px;
            }

            .fab-royal {
                width: 50px;
                height: 50px;
                left: 12px;
                bottom: 88px;
            }

            .fab-royal .fab-icon {
                font-size: 18px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --bg-card: #0F3422;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-muted: #9BB8AE;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-gold: rgba(255, 215, 0, 0.2);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --spacing-sm: 0.8rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 3rem;
            --spacing-xl: 5rem;
            --transition: all 0.25s ease;
            --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        img {
            max-width: 100%;
            height: auto;
        }
        
        a {
            text-decoration: none;
            color: var(--accent-gold);
            transition: var(--transition);
        }
        
        a:hover {
            color: #FFF8B0;
        }
        
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        
        /* Header */
        .site-header {
            background: rgba(10, 46, 28, 0.97);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-gold);
        position: sticky;
        top: 0;
        z-index: 1030;
        padding: 0.75rem 0;
        transition: var(--transition);
    }
    
    .site-header .container-custom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }
    
    .nav-logo {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        color: #fff;
        text-decoration: none;
        flex-shrink: 0;
    }
    
    .nav-logo-icon {
        width: 48px;
        height: 48px;
        background: linear-gradient(145deg, var(--accent-gold), #B8860B);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.6rem;
        color: #0A2E1C;
        font-weight: 900;
        box-shadow: 0 4px 12px rgba(255, 215, 0, 0.35);
        transition: transform 0.3s ease;
    }
    
    .nav-logo:hover .nav-logo-icon {
        transform: scale(1.08);
    }
    
    .nav-logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.2;
        font-weight: 700;
        font-size: 0.95rem;
        color: #fff;
    }
    
    .nav-logo-text span {
        color: var(--accent-gold);
        font-size: 1.15rem;
        letter-spacing: -0.01em;
    }
    
    .nav-logo-text small {
        font-size: 0.72rem;
        font-weight: 400;
        color: var(--text-mint);
        letter-spacing: 0.02em;
    }
    
    .nav-links-desktop {
        display: flex;
        align-items: center;
        gap: 0.4rem;
        flex-wrap: wrap;
    }
    
    .nav-links-desktop a {
        color: var(--text-mint);
        text-decoration: none;
        font-size: 0.95rem;
        font-weight: 500;
        padding: 0.55rem 1rem;
        border-radius: 30px;
        transition: var(--transition);
        white-space: nowrap;
    }
    
    .nav-links-desktop a:hover,
    .nav-links-desktop a.active {
        color: #FFF;
        background: rgba(255, 215, 0, 0.12);
        box-shadow: inset 0 0 0 1px var(--border-gold);
    }
    
    .nav-links-desktop a.active {
        background: var(--accent-gold);
        color: #0A2E1C;
        font-weight: 700;
        box-shadow: 0 4px 10px rgba(255, 215, 0, 0.25);
    }
    
    .nav-auth {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        flex-shrink: 0;
    }
    
    .btn-nav-login,
    .btn-nav-signup {
        border: none;
        border-radius: 30px;
        padding: 0.55rem 1.15rem;
        font-size: 0.9rem;
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition);
        white-space: nowrap;
    }
    
    .btn-nav-login {
        background: transparent;
        color: var(--text-mint);
        border: 1px solid rgba(255,255,255,0.18);
    }
    
    .btn-nav-login:hover {
        background: rgba(255,255,255,0.08);
        color: #fff;
    }
    
    .btn-nav-signup {
        background: var(--accent-gold);
        color: #0A2E1C;
        box-shadow: 0 4px 12px rgba(255,215,0,0.35);
    }
    
    .btn-nav-signup:hover {
        background: #FFE066;
        transform: translateY(-1px);
    }
    
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        color: #fff;
        font-size: 1.4rem;
        cursor: pointer;
    }
    
    /* Mobile Menu */
    .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100vh;
        background: #0B2D1D;
        z-index: 1050;
        padding: 2rem 1.5rem;
        border-left: 1px solid var(--border-gold);
        transform: translateX(100%);
        transition: transform 0.3s ease;
    }
    
    .mobile-menu.open {
        transform: translateX(0);
    }
    
    .mobile-menu a {
        display: block;
        padding: 0.8rem 0;
        color: var(--text-mint);
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(255,215,0,0.12);
    }
    
    .mobile-menu a.active {
        color: var(--accent-gold);
        font-weight: 700;
    }
    
    .mobile-menu .mobile-auth {
        display: flex;
        flex-direction: column;
        gap: 0.8rem;
        margin-top: 1.5rem;
    }
    
    /* Hero Section */
    .hero-section {
        background: linear-gradient(135deg, rgba(10,46,28,0.92) 0%, rgba(18,62,37,0.9) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        padding: 4.5rem 0 3.5rem;
        position: relative;
        border-bottom: 1px solid var(--border-gold);
    }
    
    .hero-section::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 6px;
        background: linear-gradient(90deg, var(--accent-gold), var(--accent-red), var(--accent-gold));
    }
    
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        background: rgba(255,215,0,0.15);
        border: 1px solid var(--border-gold);
        color: var(--accent-gold);
        padding: 0.45rem 1rem;
        border-radius: 30px;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 1.2rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        line-height: 1.15;
        margin-bottom: 1rem;
        color: #fff;
    }
    
    .hero-title .gold {
        color: var(--accent-gold);
    }
    
    .hero-subtitle {
        font-size: 1.15rem;
        color: var(--text-mint);
        max-width: 720px;
        margin-bottom: 1.8rem;
        line-height: 1.65;
    }
    
    .hero-cta {
        display: flex;
        gap: 0.9rem;
        flex-wrap: wrap;
    }
    
    .btn-primary-gold {
        background: var(--accent-gold);
        color: #0A2E1C;
        border: none;
        border-radius: 30px;
        padding: 0.8rem 1.6rem;
        font-weight: 700;
        font-size: 1rem;
        cursor: pointer;
        transition: var(--transition);
        box-shadow: 0 8px 20px rgba(255,215,0,0.35);
    }
    
    .btn-primary-gold:hover {
        background: #FFE066;
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(255,215,0,0.45);
    }
    
    .btn-outline-mint {
        background: transparent;
        color: var(--text-mint);
        border: 1px solid rgba(255,255,255,0.35);
        border-radius: 30px;
        padding: 0.8rem 1.6rem;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        transition: var(--transition);
    }
    
    .btn-outline-mint:hover {
        background: rgba(255,255,255,0.1);
        color: #fff;
        border-color: #fff;
    }
    
    .compare-panel {
        background: rgba(0,0,0,0.3);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-lg);
        padding: 1.5rem;
        margin-top: 2.5rem;
        backdrop-filter: blur(6px);
    }
    
    .compare-panel h3 {
        color: #fff;
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }
    
    .compare-row {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }
    
    .compare-item {
        flex: 1;
        min-width: 200px;
        background: rgba(255,255,255,0.04);
        border-radius: var(--radius-md);
        padding: 1rem;
        transition: var(--transition);
    }
    
    .compare-item:hover {
        background: rgba(255,255,255,0.08);
    }
    
    .compare-item.highlight {
        background: rgba(255,215,0,0.12);
        border: 1px solid var(--accent-gold);
        box-shadow: 0 8px 18px rgba(255,215,0,0.2);
        transform: translateY(-4px);
    }
    
    .compare-item .compare-icon {
        font-size: 1.8rem;
        color: var(--accent-gold);
        margin-bottom: 0.8rem;
    }
    
    .compare-item h4 {
        font-size: 1.05rem;
        color: #fff;
        margin-bottom: 0.5rem;
    }
    
    .compare-item p {
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-bottom: 0;
    }
    
    .compare-badge {
        display: inline-block;
        background: var(--accent-red);
        color: #fff;
        font-size: 0.7rem;
        font-weight: 700;
        padding: 0.25rem 0.6rem;
        border-radius: 20px;
        margin-left: 0.4rem;
        vertical-align: middle;
    }
    
    /* Stats Section */
    .stats-section {
        padding: 3rem 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
    }
    
    .stat-item {
        text-align: center;
        padding: 1.5rem 0.5rem;
        background: rgba(255,255,255,0.04);
        border-radius: var(--radius-md);
    }
    
    .stat-number {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--accent-gold);
        line-height: 1.2;
    }
    
    .stat-label {
        color: var(--text-mint);
        font-size: 0.95rem;
    }
    
    /* Method Section */
    .method-section {
        padding: 4.5rem 0;
    }
    
    .section-heading {
        margin-bottom: 2rem;
    }
    
    .section-heading h2 {
        font-size: 2.1rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 0.5rem;
    }
    
    .section-heading p {
        color: var(--text-muted);
        font-size: 1rem;
        max-width: 700px;
    }
    
    .method-list {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.8rem;
    }
    
    .method-card {
        background: var(--bg-card);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }
    
    .method-card:hover {
        transform: translateY(-6px);
        border-color: var(--border-gold);
        box-shadow: 0 12px 24px rgba(255,215,0,0.15);
    }
    
    .method-card img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        display: block;
    }
    
    .method-card-body {
        padding: 1.3rem;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    
    .method-tag {
        display: inline-block;
        background: rgba(255,215,0,0.15);
        color: var(--accent-gold);
        font-size: 0.75rem;
        font-weight: 700;
        padding: 0.25rem 0.7rem;
        border-radius: 20px;
        margin-bottom: 0.8rem;
        align-self: flex-start;
    }
    
    .method-card h3 {
        font-size: 1.2rem;
        color: #fff;
        margin-bottom: 0.7rem;
    }
    
    .method-card p {
        color: var(--text-muted);
        font-size: 0.92rem;
        margin-bottom: 0;
    }
    
    /* Comparison Table */
    .table-section {
        padding: 4rem 0;
        background: rgba(0,0,0,0.2);
    }
    
    .comparison-table {
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid rgba(255,255,255,0.08);
    }
    
    .comparison-table table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 0;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 1rem 1.2rem;
        text-align: left;
        color: var(--text-mint);
    }
    
    .comparison-table thead {
        background: var(--bg-secondary);
    }
    
    .comparison-table th {
        color: #fff;
        font-weight: 700;
    }
    
    .comparison-table tbody tr:nth-child(even) {
        background: rgba(255,255,255,0.03);
    }
    
    .comparison-table tbody tr:hover {
        background: rgba(255,215,0,0.06);
    }
    
    .comparison-table .table-highlight {
        color: var(--accent-gold);
        font-weight: 600;
    }
    
    /* FAQ */
    .faq-section {
        padding: 4rem 0;
    }
    
    .faq-item {
        background: var(--bg-card);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: var(--radius-md);
        margin-bottom: 1rem;
        overflow: hidden;
    }
    
    .faq-question {
        width: 100%;
        background: none;
        border: none;
        padding: 1.2rem 1.5rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #fff;
        font-size: 1.05rem;
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition);
        text-align: left;
    }
    
    .faq-question:hover {
        color: var(--accent-gold);
    }
    
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
        background: rgba(0,0,0,0.2);
    }
    
    .faq-item.active .faq-answer {
        max-height: 300px;
    }
    
    .faq-answer p {
        padding: 1rem 1.5rem;
        color: var(--text-muted);
        margin: 0;
    }
    
    /* CTA Section */
    .cta-section {
        padding: 4rem 0;
        background: linear-gradient(135deg, rgba(255,215,0,0.08) 0%, rgba(18,62,37,0.9) 100%);
        border-top: 1px solid var(--border-gold);
    }
    
    .cta-wrapper {
        max-width: 600px;
        margin: 0 auto;
        background: rgba(255,255,255,0.04);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-lg);
        padding: 2rem;
    }
    
    .cta-wrapper h2 {
        color: #fff;
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .cta-wrapper p {
        color: var(--text-muted);
        margin-bottom: 2rem;
    }
    
    .form-label {
        color: var(--text-mint);
        font-weight: 500;
    }
    
    .form-control {
        background: rgba(0,0,0,0.3);
        border: 1px solid rgba(255,255,255,0.2);
        color: #fff;
        border-radius: 8px;
        padding: 0.7rem 1rem;
    }
    
    .form-control:focus {
        background: rgba(0,0,0,0.45);
        border-color: var(--accent-gold);
        box-shadow: 0 0 0 0.2rem rgba(255,215,0,0.15);
        color: #fff;
    }
    
    .btn-submit {
        background: var(--accent-red);
        color: #fff;
        border: none;
        border-radius: 30px;
        padding: 0.9rem 1.8rem;
        font-weight: 700;
        font-size: 1rem;
        cursor: pointer;
        transition: var(--transition);
        width: 100%;
    }
    
    .btn-submit:hover {
        background: #E53935;
        transform: translateY(-2px);
    }
    
    /* FAB */
    .floating-fab {
        position: fixed;
        left: 1rem;
        bottom: 6rem;
        z-index: 1040;
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: #0A2E1C;
        border: 2px solid var(--accent-gold);
        box-shadow: 0 4px 20px rgba(255,215,0,0.35);
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        opacity: 0.75;
        animation: fabFloat 2.5s ease-in-out infinite;
        transition: var(--transition);
    }
    
    .floating-fab:hover {
        opacity: 1;
        transform: scale(1.1);
        animation-play-state: paused;
    }
    
    .floating-fab i {
        font-size: 1.8rem;
        color: var(--accent-gold);
    }
    
    @keyframes fabFloat {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-6px); }
    }
    
    /* Footer */
    .site-footer {
        background: #061A10;
        border-top: 1px solid var(--border-gold);
        padding: 3.5rem 0 1.5rem;
    }
    
    .footer-layout {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 2rem;
        margin-bottom: 2rem;
    }
    
    .footer-brand .nav-logo {
        margin-bottom: 1rem;
    }
    
    .footer-brand p {
        color: var(--text-muted);
        font-size: 0.92rem;
        margin-bottom: 1rem;
    }
    
    .footer-compliance {
        display: flex;
        gap: 0.6rem;
        flex-wrap: wrap;
    }
    
    .badge-gold {
        background: rgba(255,215,0,0.15);
        color: var(--accent-gold);
        border: 1px solid var(--border-gold);
        padding: 0.35rem 0.8rem;
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: 600;
    }
    
    .badge-outline {
        background: transparent;
        color: var(--text-mint);
        border: 1px solid rgba(255,255,255,0.2);
        padding: 0.35rem 0.8rem;
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: 500;
    }
    
    .badge-sm {
        padding: 0.25rem 0.6rem;
        font-size: 0.7rem;
    }
    
    .footer-col h4 {
        color: #fff;
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 1rem;
        text-transform: uppercase;
        letter-spacing: 0.03em;
    }
    
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .footer-col ul li {
        margin-bottom: 0.5rem;
    }
    
    .footer-col ul li a {
        color: var(--text-muted);
        font-size: 0.9rem;
        text-decoration: none;
        transition: var(--transition);
    }
    
    .footer-col ul li a i {
        margin-right: 0.4rem;
        font-size: 0.7rem;
    }
    
    .footer-col ul li a:hover {
        color: var(--accent-gold);
        padding-left: 4px;
    }
    
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.08);
        padding-top: 1.5rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .footer-bottom span {
        color: var(--text-muted);
        font-size: 0.85rem;
    }
    
    .legal-links {
        display: flex;
        gap: 1.2rem;
        flex-wrap: wrap;
    }
    
    .legal-links a {
        color: var(--text-muted);
        font-size: 0.85rem;
        text-decoration: none;
    }
    
    .legal-links a:hover {
        color: var(--accent-gold);
    }
    
    /* Responsive */
    @media (max-width: 1024px) {
        .hero-title { font-size: 2.3rem; }
    }
    
    @media (max-width: 768px) {
        .nav-links-desktop { display: none; }
        .nav-toggle { display: block; }
        .nav-auth .btn-nav-login,
        .nav-auth .btn-nav-signup { display: block; }
        .site-header .container-custom { flex-wrap: nowrap; }
        .hero-section { padding: 3rem 0 2.5rem; }
        .hero-title { font-size: 1.9rem; }
        .compare-row { flex-direction: column; }
        .compare-item.highlight { transform: translateY(0); }
        .footer-layout { grid-template-columns: 1fr; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .legal-links { justify-content: center; }
    }
    
    @media (max-width: 520px) {
        .hero-title { font-size: 1.6rem; }
        .btn-primary-gold, .btn-outline-mint { width: 100%; text-align: center; }
        .stats-grid { grid-template-columns: 1fr 1fr; }
        .floating-fab { bottom: 5rem; left: 0.5rem; width: 48px; height: 48px; }
        .floating-fab i { font-size: 1.4rem; }
    }

/* roulang page: category2 */
:root {
            --bg: #0f0e0c;
            --bg-2: #191814;
            --bg-3: #22201A;
            --bg-4: #2A2620;
            --gold: #C5A059;
            --gold-2: #FFBF00;
            --gold-soft: #E2C27B;
            --text: #F5F5F7;
            --muted: #C9BFA9;
            --dim: #A3987D;
            --line: rgba(197, 160, 89, 0.22);
            --line-strong: rgba(197, 160, 89, 0.5);
            --danger: #E5484D;
            --success: #4CAF50;
            --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.5);
            --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.4);
            --radius-sm: 10px;
            --radius: 18px;
            --radius-lg: 26px;
            --font-sans: 'Be Vietnam Pro', system-ui, sans-serif;
            --font-display: 'Playfair Display', 'Be Vietnam Pro', serif;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: var(--font-sans);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.75em;
            line-height: 1.25;
            font-weight: 700;
        }

        h1 {
            font-family: var(--font-display);
            font-weight: 800;
            font-size: clamp(2.2rem, 5.2vw, 4rem);
            letter-spacing: -0.01em;
        }

        h2 {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 700;
        }

        h4 {
            font-size: 1.05rem;
            font-weight: 700;
        }

        .container {
            width: min(100% - 40px, 1200px);
            margin-inline: auto;
        }

        .section {
            padding: 5.5rem 0;
        }

        .section-heading {
            max-width: 780px;
            margin-bottom: 2.5rem;
            text-align: left;
        }

        .section-heading.left {
            text-align: left;
        }

        .section-title {
            color: var(--text);
        }

        .section-subtitle {
            color: var(--muted);
            font-size: 1.05rem;
            margin-top: 0.75rem;
            line-height: 1.7;
        }

        .text-gold {
            color: var(--gold-2);
        }

        .text-dim {
            color: var(--dim);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.55rem 1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            line-height: 1.2;
        }

        .badge-gold {
            background: linear-gradient(135deg, rgba(197, 160, 89, 0.16), rgba(255, 191, 0, 0.16));
            color: var(--gold-soft);
            border: 1px solid rgba(197, 160, 89, 0.45);
        }

        .badge-dark {
            background: rgba(0, 0, 0, 0.5);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .badge-outline {
            background: transparent;
            color: var(--muted);
            border: 1px solid var(--line);
        }

        .badge-sm {
            padding: 0.4rem 0.7rem;
            font-size: 0.76rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
            padding: 0.9rem 1.8rem;
            border-radius: 12px;
            font-weight: 700;
            font-size: 0.98rem;
            border: 1px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--gold-2), #E0A63A);
            color: #1A150C;
            border: none;
            box-shadow: 0 12px 28px rgba(255, 191, 0, 0.22);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #FFD34D, #F5B528);
            color: #0F0E0C;
            transform: translateY(-2px);
            box-shadow: 0 16px 34px rgba(255, 191, 0, 0.3);
        }

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

        .btn-outline-gold:hover {
            background: rgba(197, 160, 89, 0.12);
            border-color: var(--gold-2);
            color: var(--gold-2);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: #1A150C;
            border: none;
        }

        .btn-light:hover {
            background: var(--gold-soft);
            transform: translateY(-2px);
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 1rem 0;
            background: rgba(15, 14, 12, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(197, 160, 89, 0.16);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.9rem;
            color: #fff;
            text-decoration: none;
        }

        .nav-logo-icon {
            width: 42px;
            height: 42px;
            display: grid;
            place-items: center;
            border-radius: 12px;
            background: linear-gradient(145deg, rgba(197, 160, 89, 0.22), rgba(255, 191, 0, 0.1));
            border: 1px solid rgba(197, 160, 89, 0.45);
            color: var(--gold-2);
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .nav-logo-text {
            display: flex;
            flex-direction: column;
            font-size: 1.05rem;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
        }

        .nav-logo-text span {
            color: var(--gold-soft);
            font-weight: 800;
        }

        .nav-logo-text small {
            font-size: 0.72rem;
            color: var(--dim);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .nav-links-desktop a {
            position: relative;
            padding: 0.5rem 0;
            color: var(--muted);
            font-weight: 500;
            font-size: 0.95rem;
        }

        .nav-links-desktop a:hover,
        .nav-links-desktop a.active {
            color: var(--gold-2);
        }

        .nav-links-desktop a.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -6px;
            height: 2px;
            background: var(--gold-2);
            border-radius: 2px;
        }

        .nav-auth {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .btn-nav-login {
            padding: 0.65rem 1.2rem;
            border-radius: 10px;
            background: transparent;
            color: var(--muted);
            border: 1px solid rgba(255, 255, 255, 0.15);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
        }

        .btn-nav-login:hover {
            color: #fff;
            border-color: var(--gold-2);
        }

        .btn-nav-signup {
            padding: 0.65rem 1.3rem;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--gold-2), #DFA63B);
            color: #1A150C;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            border: none;
            box-shadow: 0 8px 18px rgba(255, 191, 0, 0.2);
        }

        .btn-nav-signup:hover {
            background: linear-gradient(135deg, #FFD34D, #F5B528);
            color: #0F0E0C;
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: #fff;
            font-size: 1.2rem;
            cursor: pointer;
        }

        .hero {
            position: relative;
            min-height: 100vh;
            padding: 10rem 0 6rem;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat fixed;
            background-color: var(--bg);
            overflow: hidden;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 14, 12, 0.96) 10%, rgba(15, 14, 12, 0.7) 55%, rgba(26, 23, 18, 0.55) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 20%, rgba(197, 160, 89, 0.2), transparent 35%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.1rem;
            border-radius: 999px;
            background: rgba(197, 160, 89, 0.12);
            border: 1px solid rgba(255, 191, 0, 0.32);
            color: var(--gold-soft);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

        .hero h1 {
            color: #fff;
            margin-bottom: 1.2rem;
        }

        .hero h1 .gold-accent {
            background: linear-gradient(135deg, var(--gold-2), #E9C36A);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .hero-copy {
            font-size: 1.1rem;
            color: var(--muted);
            max-width: 650px;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .hero-promo {
            position: relative;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.7rem 1.2rem;
            background: rgba(255, 191, 0, 0.13);
            border: 1px dashed var(--gold-2);
            border-radius: 14px;
            color: var(--gold-soft);
            font-size: 0.94rem;
            font-weight: 600;
            z-index: 2;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.8rem;
            color: var(--dim);
            font-size: 0.9rem;
            font-weight: 500;
        }

        .hero-trust span {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
        }

        .hero-trust i {
            color: var(--gold-2);
        }

        .promo-burst {
            position: absolute;
            right: 5%;
            bottom: 15%;
            width: 160px;
            height: 160px;
            display: grid;
            place-items: center;
            text-align: center;
            background: radial-gradient(circle, #C5A059, #8F6F28);
            color: #1A150C;
            border-radius: 50%;
            font-weight: 800;
            font-size: 0.95rem;
            line-height: 1.3;
            box-shadow: 0 0 50px rgba(255, 191, 0, 0.35);
            z-index: 2;
            rotate: 8deg;
        }

        .promo-burst strong {
            display: block;
            font-size: 1.5rem;
            font-family: var(--font-display);
        }

        .metrics-strip {
            background: var(--bg-2);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 2.5rem 0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
        }

        .metric-item {
            padding: 1.2rem 1.2rem;
            border-left: 1px solid var(--line);
            transition: var(--transition);
        }

        .metric-item:first-child {
            border-left: 0;
        }

        .metric-item:hover {
            background: rgba(255, 191, 0, 0.04);
        }

        .metric-number {
            font-family: var(--font-display);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--gold-2);
            line-height: 1.1;
        }

        .metric-label {
            color: var(--muted);
            font-size: 0.92rem;
            margin-top: 0.5rem;
            line-height: 1.5;
        }

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

        .methods-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 4rem;
            align-items: center;
        }

        .methods-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(197, 160, 89, 0.25);
        }

        .methods-visual img {
            width: 100%;
            height: 560px;
            object-fit: cover;
            filter: saturate(1.05) contrast(1.02);
        }

        .methods-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 14, 12, 0.7));
        }

        .methods-visual-caption {
            position: absolute;
            left: 1.5rem;
            right: 1.5rem;
            bottom: 1.5rem;
            z-index: 2;
            color: #fff;
        }

        .methods-visual-caption strong {
            display: block;
            font-family: var(--font-display);
            font-size: 1.5rem;
            color: var(--gold-soft);
            margin-bottom: 0.3rem;
        }

        .methods-visual-caption p {
            margin: 0;
            color: #fff;
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .method-list {
            display: flex;
            flex-direction: column;
            gap: 1.3rem;
        }

        .method-item {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(197, 160, 89, 0.16);
            border-radius: var(--radius);
            padding: 1.3rem 1.5rem;
            transition: var(--transition);
        }

        .method-item:hover {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--line-strong);
            transform: translateY(-2px);
        }

        .method-num {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            display: grid;
            place-items: center;
            border-radius: 12px;
            background: linear-gradient(145deg, rgba(197, 160, 89, 0.19), rgba(255, 191, 0, 0.08));
            border: 1px solid rgba(197, 160, 89, 0.45);
            color: var(--gold-2);
            font-weight: 800;
            font-size: 1rem;
        }

        .method-item h3 {
            margin-bottom: 0.3rem;
            color: #fff;
        }

        .method-item p {
            margin: 0;
            color: var(--muted);
            font-size: 0.96rem;
            line-height: 1.65;
        }

        .compare-section {
            background: var(--bg-2);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-top: 2rem;
        }

        .compare-panel {
            border-radius: var(--radius-lg);
            padding: 2rem;
            background: var(--bg-3);
            border: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }

        .compare-panel.disadvantage {
            border-color: rgba(229, 72, 77, 0.25);
            background: linear-gradient(145deg, rgba(229, 72, 77, 0.07), var(--bg-3));
        }

        .compare-panel.advantage {
            border-color: rgba(255, 191, 0, 0.4);
            background: linear-gradient(145deg, rgba(255, 191, 0, 0.07), var(--bg-3));
        }

        .compare-panel-title {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: #fff;
        }

        .compare-panel.disadvantage .compare-panel-title i {
            color: var(--danger);
        }

        .compare-panel.advantage .compare-panel-title i {
            color: var(--gold-2);
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.7rem;
            padding: 0.55rem 0;
            color: var(--muted);
            font-size: 0.96rem;
            line-height: 1.6;
        }

        .compare-list li i {
            margin-top: 0.3rem;
            flex-shrink: 0;
        }

        .compare-panel.disadvantage .compare-list li i {
            color: var(--danger);
        }

        .compare-panel.advantage .compare-list li i {
            color: var(--gold-2);
        }

        .compare-cta {
            margin-top: 2.2rem;
            text-align: left;
        }

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

        .faq-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 3rem;
            align-items: start;
        }

        .faq-sticky h2 {
            margin-bottom: 1rem;
        }

        .faq-sticky p {
            color: var(--muted);
            line-height: 1.7;
        }

        .accordion.custom-accordion .accordion-item {
            background: transparent;
            border: 1px solid rgba(197, 160, 89, 0.16);
            border-radius: var(--radius) !important;
            margin-bottom: 0.9rem;
            overflow: hidden;
        }

        .accordion.custom-accordion .accordion-button {
            background: rgba(255, 255, 255, 0.025);
            color: #fff;
            font-weight: 600;
            padding: 1.2rem 1.4rem;
            font-size: 0.98rem;
            border-radius: var(--radius) !important;
            box-shadow: none;
        }

        .accordion.custom-accordion .accordion-button:not(.collapsed) {
            background: rgba(255, 191, 0, 0.08);
            color: var(--gold-2);
            box-shadow: none;
        }

        .accordion.custom-accordion .accordion-button::after {
            background-image: none;
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--gold-soft);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .accordion.custom-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--gold-2);
        }

        .accordion.custom-accordion .accordion-body {
            background: transparent;
            color: var(--muted);
            line-height: 1.7;
            padding: 1rem 1.4rem 1.4rem;
            font-size: 0.95rem;
        }

        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            background-color: var(--bg-2);
            padding: 6rem 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 14, 12, 0.95) 5%, rgba(15, 14, 12, 0.72) 55%, rgba(20, 16, 12, 0.6));
        }

        .cta-layout {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .cta-panel {
            background: rgba(25, 24, 20, 0.88);
            border: 1px solid rgba(197, 160, 89, 0.3);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            backdrop-filter: blur(16px);
            box-shadow: var(--shadow-lg);
        }

        .cta-panel h2 {
            margin-bottom: 0.6rem;
        }

        .cta-panel p {
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 1.5rem;
        }

        .cta-form .form-control,
        .cta-form .form-select {
            padding: 0.85rem 1rem;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 0.96rem;
        }

        .cta-form .form-control::placeholder {
            color: var(--dim);
        }

        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--gold-2);
            box-shadow: 0 0 0 0.2rem rgba(255, 191, 0, 0.12);
            color: #fff;
        }

        .cta-form .form-select option {
            background: var(--bg-3);
            color: #fff;
        }

        .cta-form .form-label {
            color: var(--gold-soft);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .cta-notes {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            color: var(--muted);
        }

        .cta-note-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.9rem;
        }

        .cta-note-item i {
            color: var(--gold-2);
        }

        .trust-small {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }

        .footer-section {
            background: #11100e;
            padding: 4.5rem 0 1.5rem;
            border-top: 1px solid var(--line);
        }

        .footer-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(197, 160, 89, 0.14);
        }

        .footer-brand p {
            color: var(--muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-top: 1.2rem;
            max-width: 520px;
        }

        .footer-compliance {
            display: flex;
            flex-wrap: wrap;
            gap: 0.7rem;
            margin-top: 1.5rem;
        }

        .footer-col h4 {
            color: var(--gold-soft);
            font-size: 1rem;
            margin-bottom: 1.3rem;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }

        .footer-col a {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--muted);
            font-size: 0.93rem;
        }

        .footer-col a:hover {
            color: var(--gold-2);
            transform: translateX(3px);
        }

        .footer-col i {
            font-size: 0.7rem;
            color: var(--gold-soft);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-top: 1.5rem;
            color: var(--dim);
            font-size: 0.85rem;
        }

        .legal-links {
            display: flex;
            gap: 1.3rem;
            flex-wrap: wrap;
        }

        .legal-links a {
            color: var(--dim);
            font-size: 0.85rem;
        }

        .legal-links a:hover {
            color: var(--gold-soft);
        }

        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1rem;
            }
            .metric-item,
            .metric-item:first-child {
                border-left: 1px solid var(--line);
            }
            .methods-layout {
                gap: 2.5rem;
            }
            .cta-layout {
                gap: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 4rem 0;
            }

            .nav-links-desktop {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: rgba(15, 14, 12, 0.98);
                border-top: 1px solid var(--line);
                border-bottom: 1px solid var(--line);
                padding: 1rem 0;
                backdrop-filter: blur(14px);
            }

            .nav-links-desktop.show {
                display: flex;
            }

            .nav-links-desktop a {
                padding: 0.8rem 1.5rem;
                font-size: 1rem;
            }

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

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .header-inner {
                gap: 1rem;
            }

            .btn-nav-login,
            .btn-nav-signup {
                padding: 0.5rem 0.9rem;
                font-size: 0.82rem;
            }

            .hero {
                min-height: 90vh;
                padding: 7.5rem 0 4rem;
                background-attachment: scroll;
            }

            .promo-burst {
                display: none;
            }

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

            .methods-layout,
            .cta-layout {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .methods-visual img {
                height: 380px;
            }

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

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-layout {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                width: min(100% - 28px, 1200px);
            }

            .nav-logo-text {
                font-size: 0.9rem;
            }

            .nav-logo-text small {
                display: none;
            }

            .nav-logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }

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

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

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

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-trust {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
            }

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

            .metric-item {
                border-left: 0;
                border-bottom: 1px solid var(--line);
                padding: 1rem 0;
            }

            .metric-item:last-child {
                border-bottom: 0;
            }

            .method-item {
                padding: 1rem;
                gap: 0.9rem;
            }

            .compare-panel {
                padding: 1.3rem;
            }

            .cta-panel {
                padding: 1.4rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }