/* roulang page: index */
:root {
            --bg-jade: #0A2E1C;
            --bg-forest: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-card: 0 20px 40px -12px rgba(0, 0, 0, 0.55);
            --radius-md: 0.75rem;
            --radius-lg: 1.25rem;
            --radius-xl: 1.75rem;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', system-ui, sans-serif;
            background: var(--bg-jade);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        .font-display {
            font-family: 'Be Vietnam Pro', 'Inter', system-ui, sans-serif;
        }
        a, button, input, select, textarea {
            font: inherit;
            color: inherit;
        }
        a {
            text-decoration: none;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            cursor: pointer;
            background: none;
            border: none;
        }
        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 46, 28, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.18);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            background: rgba(10, 46, 28, 0.98);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0.85rem;
            padding-bottom: 0.85rem;
            gap: 1.5rem;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-gold);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #D32F2F);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: #0A2E1C;
            box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.4);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-mint);
            position: relative;
            padding-bottom: 4px;
            transition: color 0.25s ease;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a:hover::after, .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-login {
            padding: 0.55rem 1.1rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-white);
            border: 1px solid rgba(255, 215, 0, 0.45);
            border-radius: 9999px;
            transition: all 0.25s ease;
            background: transparent;
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            background: rgba(255, 215, 0, 0.1);
            transform: translateY(-1px);
        }
        .btn-signup {
            padding: 0.55rem 1.3rem;
            font-weight: 700;
            font-size: 0.9rem;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FFC107);
            border-radius: 9999px;
            box-shadow: 0 8px 18px rgba(255, 215, 0, 0.3);
            transition: all 0.25s ease;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(255, 215, 0, 0.45);
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--accent-gold);
            background: none;
            border: none;
            padding: 0.4rem;
        }
        /* Hero */
        .hero-section {
            padding-top: 8rem;
            padding-bottom: 4.5rem;
            position: relative;
            background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            background-attachment: fixed;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 46, 28, 0.92) 0%, rgba(10, 46, 28, 0.75) 55%, rgba(210, 47, 47, 0.45) 100%);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.4);
            color: var(--accent-gold);
            padding: 0.45rem 1.1rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            margin-bottom: 1.5rem;
        }
        .hero-title {
            font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
            font-size: 3.4rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: var(--text-white);
            margin-bottom: 1.25rem;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, #FFD700, #FFC107);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 1.15rem;
            line-height: 1.7;
            color: var(--text-mint);
            max-width: 680px;
            margin-bottom: 2rem;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2.5rem;
        }
        .btn-primary {
            padding: 0.85rem 2rem;
            font-weight: 700;
            font-size: 1rem;
            color: #0A2E1C;
            background: linear-gradient(135deg, #FFD700, #FFC107);
            border-radius: 9999px;
            box-shadow: 0 10px 24px rgba(255, 215, 0, 0.35);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 32px rgba(255, 215, 0, 0.5);
        }
        .btn-secondary {
            padding: 0.85rem 2rem;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 9999px;
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 215, 0, 0.5);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-number {
            font-family: 'Be Vietnam Pro', sans-serif;
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
        }
        .hero-stat-label {
            font-size: 0.9rem;
            color: var(--text-mint);
            opacity: 0.85;
        }
        /* Section shared */
        .section-block {
            padding: 4.5rem 0;
        }
        .section-header {
            margin-bottom: 2.5rem;
            max-width: 750px;
        }
        .section-tag {
            display: inline-block;
            color: var(--accent-gold);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-family: 'Be Vietnam Pro', sans-serif;
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        .section-desc {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--text-mint);
            opacity: 0.9;
        }
        .card-base {
            background: rgba(18, 62, 37, 0.55);
            border: 1px solid rgba(255, 215, 0, 0.2);
            border-radius: var(--radius-lg);
            padding: 2rem;
            transition: all 0.35s ease;
            backdrop-filter: blur(6px);
        }
        .card-base:hover {
            border-color: rgba(255, 215, 0, 0.5);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.15);
            transform: translateY(-4px);
        }
        .icon-badge {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(255, 215, 0, 0.15);
            border: 1px solid rgba(255, 215, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent-gold);
            margin-bottom: 1.25rem;
        }
        /* CMS list */
        .cms-list-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            transition: background 0.3s ease;
        }
        .cms-list-item:hover {
            background: rgba(255, 215, 0, 0.04);
            border-radius: 0.5rem;
            padding-left: 0.75rem;
            padding-right: 0.75rem;
        }
        .cms-list-index {
            font-family: 'Be Vietnam Pro', sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
            color: rgba(255, 215, 0, 0.6);
            min-width: 2rem;
        }
        .cms-list-content {
            flex: 1;
        }
        .cms-list-title {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-white);
            margin-bottom: 0.4rem;
            transition: color 0.25s ease;
        }
        .cms-list-title:hover {
            color: var(--accent-gold);
        }
        .cms-list-meta {
            font-size: 0.85rem;
            color: var(--text-mint);
            opacity: 0.7;
        }
        /* Footer */
        .site-footer {
            background: #061f12;
            border-top: 1px solid rgba(255, 215, 0, 0.2);
            padding: 4rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .footer-desc {
            color: var(--text-mint);
            font-size: 0.95rem;
            opacity: 0.85;
            line-height: 1.7;
        }
        .footer-heading {
            font-weight: 600;
            color: var(--text-white);
            font-size: 1rem;
            margin-bottom: 1.25rem;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.7rem;
        }
        .footer-links a {
            color: var(--text-mint);
            font-size: 0.9rem;
            opacity: 0.8;
            transition: color 0.25s ease, opacity 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            opacity: 1;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 215, 0, 0.15);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-mint);
            opacity: 0.7;
        }
        /* FAB */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0A2E1C, #123E25);
            border: 2px solid var(--accent-gold);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent-gold);
            opacity: 0.75;
            transition: all 0.3s ease;
            animation: fabFloat 3s ease-in-out infinite;
        }
        .fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }
        .fab:active {
            transform: scale(0.95);
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border-radius: 50%;
            border: 2px solid #0A2E1C;
            animation: blink 1.8s infinite;
        }
        @keyframes fabFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 46, 28, 0.98);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 2px solid rgba(255, 215, 0, 0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-section {
                padding-top: 6.5rem;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .container-main {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stat-number {
                font-size: 1.6rem;
            }
            .btn-primary, .btn-secondary {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
            }
            .fab {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
                left: 0.75rem;
                bottom: 5rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: #111625;
            --bg-card-hover: #162032;
            --accent-cyan: #00F0FF;
            --accent-blue: #0052FF;
            --accent-gradient: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #64748B;
            --border-neon: rgba(0, 240, 255, 0.25);
            --border-dark: rgba(148, 163, 184, 0.12);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.35);
            --shadow-blue: 0 0 20px rgba(0, 82, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-silver);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .text-gradient-cyan {
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .btn-primary {
            background: var(--accent-gradient);
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.5px;
            transition: var(--transition);
            box-shadow: var(--shadow-blue);
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
            background: linear-gradient(135deg, #0052FF 0%, #00F0FF 50%, #0052FF 100%);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent-cyan);
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.5px;
            transition: var(--transition);
            border: 2px solid var(--accent-cyan);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .btn-outline:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: var(--shadow-neon);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 0.875rem;
            border-radius: var(--radius-sm);
        }

        .card-neon {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-lg);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card-neon::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.08), transparent);
            transition: left 0.6s ease;
        }

        .card-neon:hover::before {
            left: 100%;
        }

        .card-neon:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }

        .badge-neon {
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid var(--border-neon);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            display: inline-block;
            transition: var(--transition);
        }

        .badge-neon:hover {
            background: rgba(0, 240, 255, 0.2);
            box-shadow: var(--shadow-neon);
        }

        .divider-gradient {
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            margin: 32px 0;
            border: none;
            opacity: 0.4;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: -0.5px;
        }

        .section-subtitle {
            font-size: 1.125rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.7;
            max-width: 720px;
        }

        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.6s ease forwards;
        }

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

        .glow-pulse {
            animation: glowPulse 2s ease-in-out infinite;
        }

        @keyframes glowPulse {
            0%, 100% {
                box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
            }
            50% {
                box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
            }
        }

        .grid-bg {
            background-image: linear-gradient(rgba(0, 240, 255, 0.05) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
            background-size: 40px 40px;
        }

        @media (max-width: 768px) {
            .container-main {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
            .btn-primary, .btn-outline {
                padding: 12px 24px;
                font-size: 0.875rem;
            }
        }

        @media (max-width: 520px) {
            .section-title {
                font-size: 1.25rem;
            }
            .btn-primary, .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

/* Header / Navigation */
        .site-header {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-dark);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            border-bottom-color: var(--border-neon);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0;
            gap: 20px;
        }

        .logo-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-white);
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .logo-brand i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
            text-shadow: var(--shadow-neon);
        }

        .logo-brand .logo-accent {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            color: var(--text-silver);
            text-decoration: none;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .nav-links li a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid var(--border-neon);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

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

        .btn-login {
            color: var(--text-white);
            text-decoration: none;
            font-size: 0.875rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .btn-login:hover {
            border-color: var(--border-dark);
            background: rgba(255, 255, 255, 0.05);
        }

        .btn-signup {
            background: var(--accent-gradient);
            color: #FFFFFF;
            text-decoration: none;
            font-size: 0.875rem;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            box-shadow: var(--shadow-blue);
            letter-spacing: 0.5px;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-dark);
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .mobile-menu-toggle:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-neon);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .nav-auth-buttons {
                margin-left: auto;
            }
            .nav-auth-buttons .btn-login,
            .nav-auth-buttons .btn-signup {
                display: inline-flex;
                white-space: nowrap;
                font-size: 0.75rem;
                padding: 8px 14px;
            }
        }

        @media (max-width: 520px) {
            .logo-brand {
                font-size: 1rem;
            }
            .logo-brand i {
                font-size: 1.25rem;
            }
            .nav-auth-buttons {
                gap: 6px;
            }
            .nav-auth-buttons .btn-login {
                padding: 6px 10px;
                font-size: 0.7rem;
            }
            .nav-auth-buttons .btn-signup {
                padding: 8px 12px;
                font-size: 0.7rem;
            }
        }

/* Hero Section */
        .hero-section {
            position: relative;
            padding: 80px 0 60px;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(8, 9, 15, 0.95) 0%, rgba(8, 9, 15, 0.85) 40%, rgba(13, 17, 30, 0.75) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            color: var(--accent-cyan);
            padding: 8px 16px;
            border-radius: 24px;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
            animation: glowPulse 3s ease-in-out infinite;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 20px;
            line-height: 1.2;
            letter-spacing: -1px;
        }

        .hero-subtitle {
            font-size: 1.125rem;
            color: var(--text-silver);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 640px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .countdown-bar {
            background: rgba(13, 17, 30, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            max-width: 600px;
        }

        .countdown-item {
            text-align: center;
        }

        .countdown-number {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            display: block;
            line-height: 1.2;
        }

        .countdown-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .countdown-separator {
            font-size: 1.5rem;
            color: var(--accent-cyan);
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 60px 0 40px;
                min-height: 500px;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .countdown-bar {
                padding: 12px 16px;
                gap: 12px;
            }
            .countdown-number {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .countdown-bar {
                flex-direction: column;
                text-align: center;
            }
            .countdown-separator {
                display: none;
            }
        }

/* Feature Section */
        .feature-section {
            padding: 80px 0;
            background: var(--bg-secondary);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent-gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .feature-card:hover::after {
            transform: scaleX(1);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--accent-cyan);
            font-size: 1.5rem;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: rgba(0, 240, 255, 0.2);
            box-shadow: var(--shadow-neon);
        }

        .feature-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .feature-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .feature-section {
                padding: 60px 0;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px;
            }
        }

/* Benefits Section */
        .benefits-section {
            padding: 80px 0;
            background: var(--bg-primary);
            position: relative;
        }

        .benefits-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-neon), transparent);
        }

        .benefits-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
            margin-top: 40px;
        }

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

        .benefits-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-dark);
            transition: var(--transition);
        }

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

        .benefits-list li:hover {
            padding-left: 8px;
        }

        .benefit-check {
            width: 28px;
            height: 28px;
            min-width: 28px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid var(--border-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 0.875rem;
            margin-top: 2px;
        }

        .benefit-text {
            flex: 1;
        }

        .benefit-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.3;
        }

        .benefit-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .benefits-image {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-neon);
            box-shadow: var(--shadow-neon);
        }

        .benefits-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            min-height: 400px;
        }

        .benefits-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px;
            background: linear-gradient(transparent, rgba(8, 9, 15, 0.9));
        }

        .benefits-image-overlay h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 8px;
        }

        .benefits-image-overlay p {
            font-size: 0.875rem;
            color: var(--text-silver);
            margin: 0;
        }

        @media (max-width: 768px) {
            .benefits-section {
                padding: 60px 0;
            }
            .benefits-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .benefits-image img {
                min-height: 250px;
            }
            .benefits-list li {
                padding: 16px 0;
            }
        }

/* Process Section */
        .process-section {
            padding: 80px 0;
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
            position: relative;
            z-index: 1;
        }

        .process-step {
            text-align: left;
            padding: 24px;
            border-left: 2px solid var(--border-neon);
            position: relative;
            transition: var(--transition);
        }

        .process-step:hover {
            background: rgba(0, 240, 255, 0.03);
            border-left-color: var(--accent-cyan);
        }

        .step-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: rgba(0, 240, 255, 0.3);
            line-height: 1;
            margin-bottom: 12px;
            display: block;
            transition: var(--transition);
        }

        .process-step:hover .step-number {
            color: var(--accent-cyan);
            text-shadow: var(--shadow-neon);
        }

        .step-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 8px;
            line-height: 1.3;
        }

        .step-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .process-section {
                padding: 60px 0;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-step {
                padding: 16px;
            }
            .step-number {
                font-size: 2rem;
            }
        }

/* Testimonials Section */
        .testimonials-section {
            padding: 80px 0;
            background: var(--bg-primary);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 16px;
            right: 24px;
            font-size: 4rem;
            color: rgba(0, 240, 255, 0.1);
            font-family: Georgia, serif;
            line-height: 1;
        }

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

        .testimonial-rating {
            color: #FFD700;
            font-size: 0.875rem;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.875rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.875rem;
        }

        .testimonial-name {
            font-size: 0.875rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.3;
        }

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

        @media (max-width: 1024px) {
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .testimonials-section {
                padding: 60px 0;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-card {
                padding: 24px;
            }
        }

/* FAQ Section */
        .faq-section {
            padding: 80px 0;
            background: var(--bg-secondary);
        }

        .faq-list {
            max-width: 800px;
            margin: 40px auto 0;
        }

        .faq-item {
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            background: var(--bg-card);
            transition: var(--transition);
            overflow: hidden;
        }

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

        .faq-item.active {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-neon);
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 700;
            color: var(--text-white);
            font-size: 1rem;
            transition: var(--transition);
            user-select: none;
        }

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

        .faq-icon {
            min-width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 0.75rem;
            transition: var(--transition);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            background: rgba(0, 240, 255, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.875rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 60px 0;
            }
            .faq-question {
                padding: 16px 20px;
                font-size: 0.875rem;
            }
            .faq-answer {
                padding: 0 20px;
                font-size: 0.8125rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 20px 16px;
            }
        }

/* CTA Section */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15) 0%, rgba(0, 240, 255, 0.05) 50%, transparent 100%);
            pointer-events: none;
        }

        .cta-box {
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-neon);
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .cta-desc {
            font-size: 1rem;
            color: var(--text-silver);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-box {
                padding: 32px 24px;
            }
            .cta-title {
                font-size: 1.5rem;
            }
            .cta-desc {
                font-size: 0.875rem;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

/* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-dark);
            padding: 60px 0 24px;
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            opacity: 0.3;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand i {
            color: var(--accent-cyan);
        }

        .footer-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .footer-heading {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links li a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.875rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links li a:hover {
            color: var(--accent-cyan);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-dark);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-bottom i {
            color: var(--accent-cyan);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* FAB */
        .fab-container {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .fab-main {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-image: linear-gradient(rgba(8, 9, 15, 0.85), rgba(8, 9, 15, 0.85)), linear-gradient(135deg, #0052FF, #00F0FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: fabBreathe 3s ease-in-out infinite;
            position: relative;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.35);
            min-width: 56px;
            min-height: 56px;
        }

        .fab-main i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
            transition: var(--transition);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.6);
        }

        .fab-main:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
            animation-play-state: paused;
        }

        .fab-main:hover i {
            transform: rotate(360deg);
            transition: transform 0.6s ease;
        }

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

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 16px;
            height: 16px;
            background: #FF007F;
            border-radius: 50%;
            border: 2px solid var(--bg-primary);
            animation: blinkDot 1.5s ease-in-out infinite;
        }

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

        @keyframes blinkDot {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }

        @media (max-width: 768px) {
            .fab-container {
                left: 12px;
                bottom: 80px;
            }
            .fab-main {
                width: 48px;
                height: 48px;
                min-width: 48px;
                min-height: 48px;
                border-radius: 14px;
            }
            .fab-main i {
                font-size: 1.25rem;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0A2E1C;
            --bg-secondary: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-soft: #A7C4B5;
            --border-gold: rgba(255, 215, 0, 0.35);
            --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --space-1: 8px;
            --space-2: 16px;
            --space-3: 24px;
            --space-4: 40px;
            --space-5: 64px;
            --transition: 0.25s ease;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            background: var(--bg-primary);
            color: var(--text-white);
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        img { max-width: 100%; display: block; }
        button, input, textarea, select { font: inherit; }
        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-3);
        }
        .container-narrow {
            max-width: 820px;
            margin: 0 auto;
            padding: 0 var(--space-3);
        }
        .sr-only {
            position: absolute; width: 1px; height: 1px;
            padding: 0; margin: -1px; overflow: hidden;
            clip: rect(0,0,0,0); border: 0;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 46, 28, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: var(--shadow-gold);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--space-3);
        }
        .brand-logo {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .brand-logo i {
            font-size: 1.5rem;
            filter: drop-shadow(0 0 8px rgba(255,215,0,0.45));
        }
        .brand-logo span {
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 28px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-mint);
            padding: 8px 0;
            position: relative;
            transition: color var(--transition);
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0; bottom: 0;
            width: 0; height: 2px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-gold);
        }
        .nav-links a:hover::after, .nav-links a.active::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            border-radius: 999px;
            padding: 10px 22px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-outline {
            background: transparent;
            color: var(--accent-gold);
            border: 1.5px solid var(--accent-gold);
        }
        .btn-outline:hover {
            background: rgba(255,215,0,0.1);
            box-shadow: 0 0 14px rgba(255,215,0,0.2);
        }
        .btn-gold {
            background: var(--accent-gold);
            color: #0A2E1C;
            border: 1.5px solid var(--accent-gold);
        }
        .btn-gold:hover {
            background: #FFE44D;
            box-shadow: 0 0 18px rgba(255,215,0,0.5);
            transform: translateY(-1px);
        }
        .btn-gold:active { transform: translateY(1px); }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 6px;
        }
        /* Article hero */
        .article-hero {
            padding: var(--space-5) 0 var(--space-4);
            background: linear-gradient(180deg, rgba(18,62,37,0.65) 0%, rgba(10,46,28,0.4) 100%);
            border-bottom: 1px solid rgba(255,215,0,0.12);
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-bottom: var(--space-3);
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: var(--accent-gold); font-weight: 600; }
        .article-breadcrumb a:hover { color: #FFE44D; }
        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.01em;
            max-width: 880px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: var(--space-3);
            font-size: 0.88rem;
            color: var(--text-soft);
        }
        .article-meta i { color: var(--accent-gold); margin-right: 6px; }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(255,215,0,0.12);
            border: 1px solid var(--border-gold);
            color: var(--accent-gold);
            padding: 4px 14px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.8rem;
        }
        /* Article body */
        .article-body-section {
            padding: var(--space-4) 0 var(--space-5);
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 300px;
            gap: 48px;
            align-items: start;
        }
        .article-main {
            background: rgba(18,62,37,0.55);
            border: 1px solid rgba(255,215,0,0.15);
            border-radius: var(--radius-lg);
            padding: var(--space-4);
            box-shadow: var(--shadow-gold);
        }
        .article-cover-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: var(--space-4);
            border: 1px solid var(--border-gold);
        }
        .article-cover-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .article-cover-image img:hover { transform: scale(1.02); }
        .article-content {
            color: var(--text-mint);
            font-size: 1.05rem;
            line-height: 1.75;
        }
        .article-content h2 {
            color: var(--text-white);
            font-size: 1.5rem;
            font-weight: 700;
            margin: var(--space-4) 0 var(--space-2);
            letter-spacing: -0.01em;
        }
        .article-content h3 {
            color: var(--accent-gold);
            font-size: 1.2rem;
            font-weight: 700;
            margin: var(--space-3) 0 var(--space-1);
        }
        .article-content p {
            margin-bottom: var(--space-2);
        }
        .article-content ul, .article-content ol {
            margin: var(--space-2) 0 var(--space-2) 24px;
        }
        .article-content li {
            margin-bottom: 10px;
        }
        .article-content strong {
            color: var(--accent-gold);
            font-weight: 700;
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-gold);
            background: rgba(255,215,0,0.06);
            padding: var(--space-2) var(--space-3);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: var(--space-3) 0;
            color: var(--text-white);
            font-style: italic;
        }
        .article-not-found {
            text-align: center;
            padding: var(--space-5) var(--space-3);
        }
        .article-not-found i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: var(--space-3);
        }
        .article-not-found h2 {
            font-size: 1.6rem;
            color: var(--text-white);
            margin-bottom: var(--space-2);
        }
        .article-not-found p {
            color: var(--text-soft);
            margin-bottom: var(--space-3);
        }
        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: rgba(18,62,37,0.55);
            border: 1px solid rgba(255,215,0,0.15);
            border-radius: var(--radius-md);
            padding: var(--space-3);
            box-shadow: var(--shadow-gold);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: var(--space-2);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            font-size: 1rem;
        }
        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,215,0,0.08);
            color: var(--text-mint);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition);
        }
        .sidebar-link:last-child { border-bottom: none; }
        .sidebar-link:hover {
            color: var(--accent-gold);
            padding-left: 8px;
        }
        .sidebar-link i { color: var(--accent-gold); font-size: 0.8rem; }
        .trust-badge-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .trust-badge-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            color: var(--text-mint);
        }
        .trust-badge-item i {
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,215,0,0.12);
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            color: var(--accent-gold);
            flex-shrink: 0;
        }
        /* CTA section */
        .article-cta-section {
            padding: var(--space-5) 0;
            background: linear-gradient(135deg, rgba(18,62,37,0.9) 0%, rgba(10,46,28,0.7) 100%);
            border-top: 1px solid rgba(255,215,0,0.15);
            border-bottom: 1px solid rgba(255,215,0,0.15);
        }
        .cta-panel {
            background: rgba(10,46,28,0.7);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: var(--space-4);
            text-align: center;
            box-shadow: var(--shadow-gold);
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-panel h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: var(--space-2);
        }
        .cta-panel p {
            color: var(--text-mint);
            margin-bottom: var(--space-3);
            font-size: 1.05rem;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        /* Footer */
        .site-footer {
            background: rgba(6, 25, 14, 0.95);
            border-top: 1px solid rgba(255,215,0,0.2);
            padding: var(--space-5) 0 var(--space-3);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: var(--space-4);
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--accent-gold);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--space-2);
        }
        .footer-desc {
            color: var(--text-soft);
            font-size: 0.92rem;
            line-height: 1.65;
        }
        .footer-heading {
            color: var(--accent-gold);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--space-2);
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-soft);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-links a:hover { color: var(--accent-gold); }
        .footer-bottom {
            border-top: 1px solid rgba(255,215,0,0.15);
            padding-top: var(--space-3);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-soft);
        }
        .footer-bottom i { color: var(--accent-gold); }
        /* FAB */
        .fab-support {
            position: fixed;
            left: 20px;
            bottom: 96px;
            z-index: 90;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: #0A2E1C;
            border: 2px solid var(--accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.4rem;
            cursor: pointer;
            opacity: 0.7;
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            animation: floatY 3s ease-in-out infinite;
        }
        .fab-support:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255,215,0,0.55);
        }
        .fab-support:active { transform: scale(0.95); }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #D32F2F;
            border: 2px solid #0A2E1C;
            border-radius: 50%;
            animation: pulseRed 2s ease-in-out infinite;
        }
        @keyframes floatY {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @keyframes pulseRed {
            0%, 100% { box-shadow: 0 0 0 0 rgba(211,47,47,0.6); }
            50% { box-shadow: 0 0 0 6px rgba(211,47,47,0); }
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; gap: 32px; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            .header-inner { height: 64px; }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(10,46,28,0.98);
                flex-direction: column;
                padding: var(--space-3);
                border-bottom: 1px solid var(--border-gold);
                gap: 0;
            }
            .nav-links.open { display: flex; }
            .nav-links a {
                padding: 14px 0;
                width: 100%;
                border-bottom: 1px solid rgba(255,215,0,0.08);
                font-size: 1rem;
            }
            .nav-links a:last-child { border-bottom: none; }
            .mobile-toggle { display: block; }
            .nav-actions .btn-outline { padding: 8px 14px; font-size: 0.82rem; }
            .nav-actions .btn-gold { padding: 8px 14px; font-size: 0.82rem; }
            .article-main { padding: var(--space-3); }
            .article-cover-image img { height: 220px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .fab-support { left: 14px; bottom: 80px; width: 48px; height: 48px; font-size: 1.2rem; }
        }
        @media (max-width: 520px) {
            .brand-logo { font-size: 0.95rem; }
            .brand-logo span { display: none; }
            .nav-actions { gap: 6px; }
            .nav-actions .btn-outline { display: none; }
            .article-hero { padding: var(--space-4) 0 var(--space-3); }
            .article-content { font-size: 0.98rem; }
            .cta-buttons { flex-direction: column; }
            .cta-buttons .btn { width: 100%; }
            .footer-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0F0C20;
            --bg-secondary: #0B1A30;
            --accent-lime: #CCFF00;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #A6ACAF;
            --border-glow: rgba(0, 240, 255, 0.35);
            --card-bg: rgba(15, 12, 32, 0.75);
            --card-hover: rgba(20, 16, 42, 0.9);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
            background: linear-gradient(160deg, #0F0C20 0%, #0B1A30 45%, #0F0C20 100%);
            color: var(--text-white);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 12, 32, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            padding: 0 0;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-white);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-brand i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            flex: 1;
            justify-content: center;
        }

        .nav-links li a {
            display: inline-block;
            padding: 10px 18px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-silver);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-links li a:hover {
            color: var(--text-white);
            border-color: rgba(0, 240, 255, 0.35);
            background: rgba(0, 240, 255, 0.08);
        }

        .nav-links li a.active {
            color: var(--accent-cyan);
            border-color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            font-weight: 600;
        }

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

        .btn-login {
            padding: 10px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-white);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            padding: 10px 22px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #0B1A30;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.65);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            padding: 10px 14px;
            color: var(--text-white);
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        /* Page Banner */
        .page-banner {
            padding: 140px 0 60px;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 12, 32, 0.75) 0%, rgba(11, 26, 48, 0.9) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }

        .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(204, 255, 0, 0.15);
            border: 1px solid rgba(204, 255, 0, 0.5);
            color: #CCFF00;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .banner-title {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--text-white);
        }

        .banner-desc {
            font-size: 1.1rem;
            color: var(--text-silver);
            line-height: 1.7;
            max-width: 640px;
            margin-bottom: 28px;
        }

        .banner-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 12px;
        }

        .banner-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .banner-stat-number {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }

        .banner-stat-label {
            font-size: 0.85rem;
            color: var(--text-silver);
        }

        /* Section Base */
        .section {
            padding: 70px 0;
        }

        .section-alt {
            background: rgba(11, 26, 48, 0.4);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .section-heading {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .section-subheading {
            font-size: 1rem;
            color: var(--text-silver);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 36px;
        }

        /* Cards */
        .card-promo {
            background: var(--card-bg);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card-promo:hover {
            background: var(--card-hover);
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .card-promo-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            margin-bottom: 18px;
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .card-promo h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }

        .card-promo p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .promo-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(204, 255, 0, 0.15);
            color: #CCFF00;
            border: 1px solid rgba(204, 255, 0, 0.4);
        }

        .promo-tag.cyan {
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            border-color: rgba(0, 240, 255, 0.4);
        }

        /* Buttons */
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 700;
            color: #0B1A30;
            background: linear-gradient(135deg, #CCFF00, #00F0FF);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            text-align: center;
        }

        .btn-primary:hover {
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-block;
            padding: 13px 30px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.5);
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        /* Feature List */
        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            font-size: 0.98rem;
            color: var(--text-silver);
            line-height: 1.6;
        }

        .feature-list li i {
            color: #CCFF00;
            font-size: 1.1rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: var(--radius-md);
            background: var(--card-bg);
            padding: 22px 26px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.45);
            background: var(--card-hover);
        }

        .faq-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h3 i {
            color: var(--accent-cyan);
            font-size: 1rem;
        }

        .faq-item p {
            font-size: 0.95rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(204, 255, 0, 0.08), rgba(0, 240, 255, 0.08));
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--text-white);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--text-silver);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        /* Footer */
        .site-footer {
            background: #0A0A1A;
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 56px 0 0;
            margin-top: 0;
        }

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

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand i {
            color: var(--accent-cyan);
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

        .footer-heading {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links li a {
            font-size: 0.88rem;
            color: var(--text-silver);
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-silver);
        }

        .footer-bottom i {
            color: #CCFF00;
        }

        /* FAB */
        .fab-neon {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 2px solid;
            border-image: linear-gradient(135deg, #CCFF00, #00F0FF) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: #00F0FF;
            font-size: 1.4rem;
            opacity: 0.65;
            transition: var(--transition);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
            animation: fabBreath 3s ease-in-out infinite;
        }

        .fab-neon:hover {
            opacity: 1;
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.75);
            transform: scale(1.08);
            color: #CCFF00;
        }

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

        @keyframes fabBreath {
            0%, 100% { opacity: 0.6; box-shadow: 0 0 15px rgba(0, 240, 255, 0.35); }
            50% { opacity: 0.85; box-shadow: 0 0 25px rgba(0, 240, 255, 0.55); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(15, 12, 32, 0.97);
                backdrop-filter: blur(20px);
                padding: 20px 24px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.25);
                gap: 6px;
                z-index: 1000;
            }

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

            .nav-links li a {
                width: 100%;
                padding: 14px 18px;
                font-size: 1rem;
            }

            .nav-toggle {
                display: block;
            }

            .nav-container {
                height: 64px;
            }

            .nav-brand {
                font-size: 1.05rem;
            }

            .nav-actions {
                gap: 6px;
            }

            .btn-login {
                padding: 8px 14px;
                font-size: 0.8rem;
            }

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

            .page-banner {
                padding: 120px 0 44px;
            }

            .banner-stats {
                gap: 20px;
            }

            .section {
                padding: 50px 0;
            }

            .cta-section {
                padding: 36px 24px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

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

            .nav-brand {
                font-size: 0.95rem;
            }

            .btn-login, .btn-signup {
                padding: 7px 12px;
                font-size: 0.75rem;
            }

            .banner-title {
                font-size: 1.7rem;
            }

            .card-promo {
                padding: 20px;
            }

            .fab-neon {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
                left: 12px;
                bottom: 80px;
            }
        }