/* roulang page: index */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.85);
            --bg-glass: rgba(13, 17, 30, 0.65);
            --blue-neon: #0052FF;
            --cyan-neon: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #64748B;
            --border-neon: rgba(0, 82, 255, 0.5);
            --border-glass: rgba(0, 240, 255, 0.25);
            --glow-blue: 0 0 20px rgba(0, 82, 255, 0.35);
            --glow-cyan: 0 0 25px rgba(0, 240, 255, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --font-sans: 'Inter', 'Segoe UI', 'Roboto', sans-serif;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.15), 0 0 50px rgba(0, 82, 255, 0.1);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            font-size: 16px;
        }

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

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

        a:hover {
            color: var(--cyan-neon);
        }

        button {
            cursor: pointer;
            border: none;
            font-family: var(--font-sans);
            transition: all var(--transition-base);
        }

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        /* Navbar */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
            transition: background var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(8, 9, 15, 0.97);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6), var(--glow-cyan);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 1rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--blue-neon), var(--cyan-neon));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: #fff;
            box-shadow: var(--glow-blue);
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 0.95rem;
            line-height: 1.2;
            max-width: 190px;
        }

        .logo-text span {
            display: block;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--cyan-neon);
            letter-spacing: 0.03em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            list-style: none;
        }

        .main-nav li {
            position: relative;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1rem;
            font-size: 0.87rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 999px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--cyan-neon);
            background: rgba(0, 240, 255, 0.07);
        }

        .main-nav a.active {
            color: var(--cyan-neon);
            background: rgba(0, 240, 255, 0.1);
            box-shadow: inset 0 0 0 1px rgba(0, 240, 255, 0.3);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-shrink: 0;
        }

        .btn-login {
            padding: 0.55rem 1.15rem;
            font-size: 0.83rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            transition: all var(--transition-base);
        }

        .btn-login:hover {
            color: var(--cyan-neon);
            border-color: rgba(0, 240, 255, 0.5);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            padding: 0.55rem 1.25rem;
            font-size: 0.83rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--blue-neon), var(--cyan-neon));
            border-radius: 999px;
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.35), 0 0 35px rgba(0, 82, 255, 0.25);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.55), 0 0 45px rgba(0, 82, 255, 0.4);
            color: #fff;
        }

        .btn-signup:active {
            transform: translateY(0) scale(0.97);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 0.4rem;
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--cyan-neon);
            background: rgba(0, 240, 255, 0.08);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 7.5rem 0 3rem;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.55) 0%, rgba(8, 9, 15, 0.85) 60%, var(--bg-primary) 100%);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(0, 82, 255, 0.18) 0%, transparent 55%),
                        radial-gradient(ellipse at 75% 55%, rgba(0, 240, 255, 0.12) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.55rem;
            padding: 0.45rem 1.15rem;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--cyan-neon);
            letter-spacing: 0.02em;
            margin-bottom: 1.5rem;
            animation: pulseGlow 2.5s ease-in-out infinite;
        }

        @keyframes pulseGlow {
            0%, 100% { box-shadow: 0 0 12px rgba(0, 240, 255, 0.15); }
            50% { box-shadow: 0 0 28px rgba(0, 240, 255, 0.35); }
        }

        .hero-title {
            font-size: 3.1rem;
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -0.02em;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, #FFFFFF 40%, var(--cyan-neon) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.06rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 2rem;
            max-width: 600px;
            font-weight: 400;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.9rem;
            margin-bottom: 2rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.85rem 1.9rem;
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--blue-neon), var(--cyan-neon));
            border-radius: 999px;
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.4), 0 0 45px rgba(0, 82, 255, 0.25);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 42px rgba(0, 240, 255, 0.65), 0 0 60px rgba(0, 82, 255, 0.4);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0) scale(0.96);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.85rem 1.9rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: rgba(13, 17, 30, 0.7);
            border: 1px solid rgba(0, 240, 255, 0.35);
            border-radius: 999px;
            backdrop-filter: blur(10px);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            color: var(--cyan-neon);
            border-color: rgba(0, 240, 255, 0.6);
            background: rgba(0, 240, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0) scale(0.96);
        }

        .hero-countdown {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
            padding: 1rem 1.5rem;
            background: rgba(13, 17, 30, 0.55);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-md);
            backdrop-filter: blur(14px);
            max-width: 540px;
        }

        .countdown-label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--cyan-neon);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .countdown-timer {
            display: flex;
            gap: 0.6rem;
            align-items: center;
        }

        .countdown-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 44px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 8px;
            padding: 0.4rem 0.6rem;
        }

        .countdown-block span {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--cyan-neon);
        }

        .countdown-block small {
            font-size: 0.62rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1.75rem;
            margin-top: 1.5rem;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
        }

        .hero-stat strong {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--cyan-neon);
        }

        .hero-stat span {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Section shared styles */
        .section {
            padding: 4.5rem 0;
            position: relative;
        }

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

        .section-header {
            max-width: 640px;
            margin-bottom: 2.5rem;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--cyan-neon);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.015em;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Game Cards */
        .game-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .game-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 32px rgba(0, 240, 255, 0.2), 0 0 52px rgba(0, 82, 255, 0.15), var(--shadow-card);
        }

        .game-card-image {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
            background: #0D111E;
        }

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

        .game-card:hover .game-card-image img {
            transform: scale(1.07);
        }

        .game-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(8, 9, 15, 0.85) 100%);
            pointer-events: none;
        }

        .game-card-tag {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: rgba(220, 38, 38, 0.9);
            color: #fff;
            font-size: 0.65rem;
            font-weight: 800;
            padding: 0.3rem 0.7rem;
            border-radius: 999px;
            letter-spacing: 0.04em;
            box-shadow: 0 0 12px rgba(220, 38, 38, 0.5);
        }

        .game-card-tag.cyan {
            background: rgba(0, 240, 255, 0.9);
            color: #08090F;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.45);
        }

        .game-card-body {
            padding: 1.15rem 1.2rem 1.3rem;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }

        .game-card-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-primary);
        }

        .game-card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .game-card-btn {
            margin-top: auto;
            padding: 0.55rem 1.1rem;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--cyan-neon);
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 999px;
            text-align: center;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            width: fit-content;
        }

        .game-card-btn:hover {
            background: rgba(0, 240, 255, 0.18);
            border-color: rgba(0, 240, 255, 0.6);
            color: var(--cyan-neon);
        }

        /* Steps */
        .step-item {
            display: flex;
            gap: 1.25rem;
            align-items: flex-start;
        }

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--blue-neon), var(--cyan-neon));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            box-shadow: var(--glow-blue);
        }

        .step-content h4 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 0.35rem;
        }

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

        /* Info Cards */
        .info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.6rem 1.5rem;
            transition: all var(--transition-base);
            backdrop-filter: blur(12px);
        }

        .info-card:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: var(--shadow-glow);
            transform: translateY(-3px);
        }

        .info-card-icon {
            width: 46px;
            height: 46px;
            background: rgba(0, 240, 255, 0.1);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--cyan-neon);
            margin-bottom: 1rem;
        }

        .info-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .info-card p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* CMS List list */
        .cms-list {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 2rem;
            align-items: start;
        }

        .cms-list-main {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
        }

        .cms-list-item {
            display: flex;
            gap: 1rem;
            padding: 1.1rem 1.2rem;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            text-decoration: none;
            color: inherit;
        }

        .cms-list-item:hover {
            border-color: rgba(0, 240, 255, 0.45);
            background: rgba(0, 240, 255, 0.04);
            transform: translateX(4px);
            color: inherit;
        }

        .cms-list-item .cms-date {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--cyan-neon);
            line-height: 1;
        }

        .cms-list-item .cms-date small {
            font-size: 0.62rem;
            font-weight: 600;
            color: var(--text-muted);
            margin-top: 0.2rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .cms-list-item .cms-content h4 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
            color: var(--text-primary);
        }

        .cms-list-item .cms-content p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 0.3rem;
        }

        .cms-list-item .cms-content .cms-meta {
            font-size: 0.74rem;
            color: var(--text-muted);
            display: flex;
            gap: 0.8rem;
        }

        .cms-empty {
            padding: 2rem;
            text-align: left;
            background: var(--bg-card);
            border: 1px dashed rgba(0, 240, 255, 0.3);
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .cms-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            position: sticky;
            top: 90px;
        }

        .cms-sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 1.3rem 1.2rem;
        }

        .cms-sidebar-card h3 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--cyan-neon);
            margin-bottom: 0.9rem;
            letter-spacing: 0.03em;
        }

        .cms-sidebar-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .cms-sidebar-card li a {
            font-size: 0.86rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .cms-sidebar-card li a::before {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--cyan-neon);
            font-size: 0.7rem;
        }

        .cms-sidebar-card li a:hover {
            color: var(--cyan-neon);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.9rem;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.4);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.4rem;
            background: transparent;
            color: var(--text-primary);
            font-size: 0.95rem;
            font-weight: 600;
            text-align: left;
            gap: 1rem;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan-neon);
            transition: transform var(--transition-base);
            font-size: 0.8rem;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-answer-inner {
            padding: 0 1.4rem 1.3rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2) 0%, rgba(0, 240, 255, 0.08) 100%);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            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, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .cta-section p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 1.8rem;
            max-width: 620px;
            line-height: 1.6;
        }

        /* Form */
        .form-group {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }

        .form-input {
            flex: 1;
            min-width: 200px;
            padding: 0.85rem 1.2rem;
            background: rgba(8, 9, 15, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.3);
            border-radius: 999px;
            color: var(--text-primary);
            font-size: 0.9rem;
            transition: all var(--transition-base);
        }

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

        .form-input:focus {
            outline: none;
            border-color: var(--cyan-neon);
            box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.15);
            background: rgba(8, 9, 15, 0.8);
        }

        .form-btn {
            padding: 0.85rem 1.8rem;
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, var(--blue-neon), var(--cyan-neon));
            border-radius: 999px;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .form-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.55);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 3.5rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-top: 0.8rem;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--cyan-neon);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-col li a {
            font-size: 0.86rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-col li a:hover {
            color: var(--cyan-neon);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .footer-bottom p {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .footer-badge i {
            color: var(--cyan-neon);
        }

        /* FAB */
        .fab-container {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 90;
        }

        .fab-button {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            background: rgba(8, 9, 15, 0.75);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            border-radius: 999px;
            background-clip: padding-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            font-size: 1.3rem;
            color: var(--cyan-neon);
            opacity: 0.6;
            transition: all var(--transition-base);
            animation: fabFloat 3s ease-in-out infinite;
        }

        .fab-button::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--cyan-neon), var(--blue-neon));
            z-index: -1;
            background-clip: padding-box;
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            padding: 2px;
            animation: borderRotate 4s linear infinite;
        }

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

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

        .fab-button:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.75);
            color: #fff;
        }

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

        @keyframes fabPulse {
            0%, 100% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.3); opacity: 0.8; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cms-list {
                grid-template-columns: 1fr;
            }
            .cms-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .cms-sidebar-card {
                flex: 1;
                min-width: 240px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                min-height: 60px;
            }
            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 1.25rem 1.5rem;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                gap: 0.5rem;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                width: 100%;
                padding: 0.7rem 1rem;
            }
            .nav-toggle {
                display: flex;
            }
            .auth-buttons {
                gap: 0.4rem;
            }
            .btn-login, .btn-signup {
                padding: 0.45rem 0.9rem;
                font-size: 0.75rem;
            }
            .hero-section {
                padding: 6.5rem 0 2.5rem;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-countdown {
                max-width: 100%;
                padding: 0.8rem 1rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section {
                padding: 2rem 1.25rem;
            }
            .fab-container {
                bottom: 4.5rem;
                left: 0.75rem;
            }
            .fab-button {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-stats {
                gap: 1rem;
            }
            .hero-stat strong {
                font-size: 1.2rem;
            }
            .game-card-title {
                font-size: 0.92rem;
            }
            .cms-list-item {
                flex-direction: column;
                padding: 1rem;
            }
            .cms-list-item .cms-date {
                width: auto;
                height: auto;
                flex-direction: row;
                gap: 0.4rem;
                padding: 0.3rem 0.6rem;
                align-self: flex-start;
                font-size: 0.9rem;
            }
            .cms-list-item .cms-date small {
                font-size: 0.7rem;
                margin-top: 0;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.72);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 240, 255, 0.35);
            --shadow-glow: 0 0 25px rgba(0, 82, 255, 0.35);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2.5rem;
            --spacing-xl: 4rem;
            --font-main: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-smooth);
        }

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

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

        /* ========== HEADER ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            transition: box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.6);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: var(--text-primary);
            min-width: 0;
        }

        .logo-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
            transition: transform var(--transition-smooth);
        }

        .logo:hover .logo-icon {
            transform: rotate(-8deg) scale(1.06);
        }

        .logo-text {
            font-weight: 700;
            font-size: 0.95rem;
            line-height: 1.3;
            letter-spacing: -0.01em;
            display: flex;
            flex-direction: column;
        }

        .logo-text span {
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--accent-cyan);
        }

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

        .main-nav a {
            display: inline-block;
            padding: 0.5rem 1rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 999px;
            letter-spacing: 0.01em;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.25), rgba(0, 240, 255, 0.25));
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.28);
            border: 1px solid rgba(0, 240, 255, 0.25);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.88rem;
            padding: 0.55rem 1.1rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

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

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 0.55rem 1.25rem;
            border-radius: 999px;
            box-shadow: 0 4px 18px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-signup:hover {
            box-shadow: 0 6px 28px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            padding: 140px 0 70px;
            background: linear-gradient(180deg, #08090F 0%, #0D111E 45%, #08090F 100%);
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(0, 82, 255, 0.22) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 30%, rgba(0, 240, 255, 0.16) 0%, transparent 55%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: var(--spacing-xl);
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 191, 0, 0.14);
            border: 1px solid rgba(255, 191, 0, 0.32);
            color: #FFBF00;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 0.4rem 1rem;
            border-radius: 999px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: var(--spacing-md);
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-md);
            color: #fff;
            text-shadow: 0 0 60px rgba(0, 240, 255, 0.25);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #00F0FF, #0052FF, #FFBF00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.12rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: var(--spacing-lg);
        }

        .hero-cta-row {
            display: flex;
            gap: var(--spacing-sm);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
        }

        .btn-primary-glow {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 0.85rem 2rem;
            border-radius: 999px;
            box-shadow: 0 6px 30px rgba(0, 82, 255, 0.5);
            transition: all var(--transition-smooth);
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }

        .btn-primary-glow:hover {
            box-shadow: 0 10px 42px rgba(0, 240, 255, 0.6);
            transform: translateY(-3px);
        }

        .btn-secondary-glass {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.85rem 1.8rem;
            border-radius: 999px;
            transition: all var(--transition-smooth);
        }

        .btn-secondary-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent-cyan);
            transform: translateY(-2px);
        }

        .hero-progress-wrap {
            max-width: 460px;
            background: rgba(13, 17, 30, 0.66);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
            font-weight: 500;
        }

        .hero-progress-bar-bg {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 99px;
            overflow: hidden;
        }

        .hero-progress-bar-fill {
            height: 100%;
            width: 72%;
            background: linear-gradient(90deg, #0052FF, #00F0FF, #FFBF00);
            border-radius: 99px;
            position: relative;
            animation: progressPulse 2.8s ease-in-out infinite;
        }

        @keyframes progressPulse {
            0%, 100% { opacity: 1; box-shadow: 0 0 12px rgba(0, 240, 255, 0.5); }
            50% { opacity: 0.82; box-shadow: 0 0 22px rgba(0, 240, 255, 0.8); }
        }

        .hero-progress-note {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.6rem;
        }

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

        .hero-visual-card {
            width: 100%;
            max-width: 380px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.32);
            box-shadow: 0 20px 55px rgba(0, 0, 0, 0.55), 0 0 45px rgba(0, 240, 255, 0.15);
            position: relative;
            transition: transform var(--transition-smooth);
        }

        .hero-visual-card:hover {
            transform: translateY(-6px) scale(1.01);
        }

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

        .hero-visual-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: var(--spacing-md);
            background: linear-gradient(180deg, transparent, rgba(8, 9, 15, 0.92));
            font-size: 0.82rem;
            color: var(--text-secondary);
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .hero-visual-overlay span {
            background: rgba(0, 240, 255, 0.14);
            border: 1px solid rgba(0, 240, 255, 0.25);
            border-radius: 999px;
            padding: 0.25rem 0.75rem;
            font-weight: 600;
            font-size: 0.72rem;
            color: #fff;
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--spacing-xl) 0;
            position: relative;
        }

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

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

        .section-label {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 0.4rem;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 680px;
        }

        /* ========== VALUE PROP SECTION ========== */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--spacing-md);
        }

        .value-card {
            background: var(--card-bg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .value-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #0052FF, #00F0FF);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .value-card:hover {
            border-color: rgba(0, 240, 255, 0.3);
            transform: translateY(-4px);
            box-shadow: 0 12px 34px rgba(0, 0, 0, 0.4);
        }

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

        .value-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.22), rgba(0, 240, 255, 0.22));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            color: var(--accent-cyan);
            margin-bottom: var(--spacing-sm);
            border: 1px solid rgba(0, 240, 255, 0.18);
        }

        .value-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            color: #fff;
        }

        .value-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ========== FEATURE GROUP ========== */
        .feature-blocks {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
        }

        .feature-row {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .feature-row.reverse {
            grid-template-columns: 1.1fr 0.9fr;
        }

        .feature-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
            max-height: 320px;
            width: 100%;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-image:hover img {
            transform: scale(1.04);
        }

        .feature-content h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 0.6rem;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .feature-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }

        .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .feature-list li i {
            color: var(--accent-cyan);
            margin-top: 0.25rem;
            font-size: 0.85rem;
        }

        /* ========== USE CASES ========== */
        ..use-cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }

        .use-case-card {
            background: rgba(13, 17, 30, 0.65);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            transition: all var(--transition-smooth);
            position: relative;
        }

        .use-case-card:hover {
            background: rgba(13, 17, 30, 0.85);
            border-color: rgba(0, 240, 255, 0.3);
            box-shadow: 0 12px 30px rgba(0, 82, 255, 0.25);
            transform: translateY(-3px);
        }

        .use-case-card .case-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.2), rgba(0, 240, 255, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #00F0FF;
            margin-bottom: var(--spacing-sm);
        }

        .use-case-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.35rem;
        }

        .use-case-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== DOWNLOAD STEPS ========== */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: var(--spacing-sm) var(--spacing-md);
            background: rgba(13, 17, 30, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            transition: all var(--transition-smooth);
        }

        .step-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
            background: rgba(13, 17, 30, 0.8);
        }

        .step-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.4);
        }

        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.2rem;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(13, 17, 30, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(0, 240, 255, 0.25);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-md) var(--spacing-md);
            cursor: pointer;
            font-weight: 700;
            font-size: 0.98rem;
            color: #fff;
            gap: 1rem;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: #CBD5E1;
        }

        .faq-question i {
            font-size: 1rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), padding 0.45s ease;
            padding: 0 var(--spacing-md);
        }

        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 var(--spacing-md) var(--spacing-md);
        }

        .faq-answer p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: var(--spacing-sm);
        }

        /* ========== CTA / FORM ========== */
        .cta-block {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.15), rgba(0, 240, 255, 0.1));
            border: 1px solid rgba(0, 240, 255, 0.22);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: var(--spacing-lg);
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 70%;
            height: 200%;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-info h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        .cta-info p {
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }

        .cta-badges {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .cta-badges span {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 999px;
            padding: 0.35rem 0.9rem;
            font-size: 0.78rem;
            color: #fff;
            font-weight: 600;
        }

        .cta-form {
            background: rgba(8, 9, 15, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: var(--spacing-md);
            backdrop-filter: blur(16px);
            position: relative;
            z-index: 1;
        }

        .cta-form label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 0.35rem;
        }

        .cta-form input {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-sm);
            padding: 0.75rem 1rem;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: var(--spacing-sm);
            transition: all var(--transition-fast);
        }

        .cta-form input:focus {
            border-color: #00F0FF;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
            outline: none;
        }

        .cta-form button {
            width: 100%;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #fff;
            font-weight: 700;
            font-size: 0.98rem;
            padding: 0.8rem;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 18px rgba(0, 82, 255, 0.4);
            transition: all var(--transition-smooth);
        }

        .cta-form button:hover {
            box-shadow: 0 8px 30px rgba(0, 240, 255, 0.55);
            transform: translateY(-2px);
        }

        .cta-form .form-note {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
            text-align: center;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #08090F;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-top: 0.8rem;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-col a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding-top: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        .footer-badges {
            display: flex;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 0.35rem 0.8rem;
            font-size: 0.74rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .footer-badge i {
            color: #FFBF00;
            font-size: 0.75rem;
        }

        /* ========== FAB ========== */
        .fab {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 90;
            width: 52px;
            height: 52px;
            border-radius: 999px;
            background: rgba(0, 0, 0, 0.72);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.45);
            transition: all var(--transition-smooth);
            opacity: 0.62;
            text-decoration: none;
            position: relative;
        }

        .fab::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 999px;
            background: linear-gradient(135deg, #00F0FF, #0052FF, #00F0FF);
            background-size: 200% 200%;
            z-index: -1;
            animation: gradientFlow 4s ease infinite;
        }

        @keyframes gradientFlow {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }

        .fab:hover {
            opacity: 1;
            transform: scale(1.08);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.65);
        }

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

        .fab .fab-badge {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF007F;
            border: 2px solid #08090F;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }
            .hero-title {
                font-size: 2.6rem;
            }
            .hero-visual {
                max-width: 440px;
                margin: 0 auto;
            }
            .cta-block {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                min-height: 62px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(8, 9, 15, 0.96);
                backdrop-filter: blur(16px);
                padding: 1rem 1.5rem 1.5rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                gap: 0.25rem;
                z-index: 200;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                text-align: left;
                padding: 0.75rem 1rem;
                font-size: 0.95rem;
            }
            .auth-buttons {
                margin-left: auto;
            }
            .auth-buttons .btn-login,
            .auth-buttons .btn-signup {
                font-size: 0.75rem;
                padding: 0.45rem 0.8rem;
            }
            .hero-category {
                padding: 120px 0 50px;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .feature-row,
            .feature-row.reverse {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .feature-row.reverse {
                display: flex;
                flex-direction: column-reverse;
            }
            .feature-image {
                max-height: 240px;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .fab {
                width: 46px;
                height: 46px;
                font-size: 1.2rem;
                bottom: 5.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1rem;
            }
            .logo-text {
                font-size: 0.78rem;
            }
            .logo-text span {
                font-size: 0.68rem;
            }
            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .auth-buttons .btn-login {
                display: none;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .value-grid,
            .use-cases-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-glow,
            .btn-secondary-glass {
                text-align: center;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-block {
                padding: var(--spacing-md);
            }
            .cta-info h3 {
                font-size: 1.3rem;
            }
            .step-item {
                padding: var(--spacing-sm);
            }
            .faq-question {
                font-size: 0.9rem;
                padding: var(--spacing-sm) var(--spacing-sm);
            }
        }

/* roulang page: article */
:root {
            --jade-950: #06150d;
            --jade-900: #0A2E1C;
            --jade-850: #0c3520;
            --jade-800: #123E25;
            --jade-700: #1a5232;
            --jade-600: #246b43;
            --gold-400: #FFD700;
            --gold-500: #F0C800;
            --gold-600: #D4A000;
            --mint-100: #D1F2EB;
            --mint-200: #A9E0D3;
            --mint-300: #82C9BA;
            --red-600: #D32F2F;
            --red-700: #B71C1C;
            --text-primary: #FFFFFF;
            --text-secondary: #D1F2EB;
            --text-muted: rgba(209, 242, 235, 0.65);
            --border-gold: rgba(255, 215, 0, 0.25);
            --glass-bg: rgba(255, 255, 255, 0.04);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
        }

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

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

        body {
            font-family: 'Be Vietnam Pro', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--jade-950);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

        button,
        input {
            font-family: inherit;
        }

        ::selection {
            background: rgba(255, 215, 0, 0.25);
            color: #fff;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: 1140px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 640px) {
            .container { padding-left: 1.5rem; padding-right: 1.5rem; }
        }
        @media (min-width: 768px) {
            .container { padding-left: 2rem; padding-right: 2rem; }
        }
        @media (min-width: 1024px) {
            .container { padding-left: 2.5rem; padding-right: 2.5rem; }
        }

        /* ============ HEADER ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 21, 13, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 215, 0, 0.12);
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(6, 21, 13, 0.96);
            border-bottom-color: rgba(255, 215, 0, 0.2);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            flex-shrink: 0;
            max-width: 320px;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            min-width: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 215, 0, 0.05));
            border: 1px solid rgba(255, 215, 0, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-400);
            font-size: 1.15rem;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.12);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            font-weight: 700;
            font-size: 0.78rem;
            line-height: 1.3;
            color: #fff;
        }

        .logo-text span {
            font-weight: 500;
            font-size: 0.68rem;
            color: var(--gold-400);
            letter-spacing: 0.02em;
        }

        .main-nav {
            display: flex;
            list-style: none;
            gap: 0.25rem;
            align-items: center;
        }

        .main-nav li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 9999px;
            font-size: 0.86rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .main-nav li a:hover {
            color: #fff;
            background: rgba(255, 215, 0, 0.08);
        }

        .main-nav li a.active {
            color: var(--gold-400);
            background: rgba(255, 215, 0, 0.12);
            font-weight: 600;
        }

        .auth-buttons {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .btn-login {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-size: 0.86rem;
            font-weight: 500;
            padding: 0.5rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-login:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--gold-400), #FFA500);
            color: #0A2E1C;
            font-size: 0.86rem;
            font-weight: 700;
            padding: 0.5rem 1.25rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(6, 21, 13, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(255, 215, 0, 0.15);
                padding: 0.75rem 1rem 1.25rem;
                gap: 0.25rem;
                display: none;
                border-radius: 0 0 20px 20px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }

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

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

            .main-nav li a {
                padding: 0.7rem 1rem;
                font-size: 0.92rem;
                text-align: left;
                width: 100%;
            }

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

            .btn-login {
                padding: 0.45rem 0.6rem;
                font-size: 0.82rem;
            }
            .btn-signup {
                padding: 0.45rem 0.9rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 420px) {
            .logo-text {
                font-size: 0.68rem;
                max-width: 160px;
            }
            .logo-text span {
                font-size: 0.58rem;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                min-width: 36px;
                font-size: 0.95rem;
                border-radius: 10px;
            }
        }

        /* ============ ARTICLE HERO ============ */
        .article-hero {
            position: relative;
            padding: 7rem 0 3rem;
            background: var(--jade-950);
            overflow: hidden;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            pointer-events: none;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 21, 13, 0.15) 0%, rgba(6, 21, 13, 0.75) 70%, rgba(6, 21, 13, 0.98) 100%);
            pointer-events: none;
        }

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

        .article-breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }

        .article-breadcrumb a {
            color: var(--mint-100);
            transition: color 0.2s;
        }

        .article-breadcrumb a:hover {
            color: var(--gold-400);
        }

        .article-breadcrumb .sep {
            color: rgba(255, 215, 0, 0.4);
            font-size: 0.7rem;
        }

        .article-breadcrumb .current {
            color: var(--gold-400);
            font-weight: 500;
        }

        .article-meta-top {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 1rem;
        }

        .article-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.9rem;
            border-radius: 9999px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.25);
            color: var(--gold-400);
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .article-date-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.9rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
            font-size: 0.75rem;
            font-weight: 500;
        }

        .article-hero h1 {
            font-family: 'Playfair Display', 'Be Vietnam Pro', serif;
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            max-width: 780px;
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        .article-hero .article-excerpt {
            font-size: 1.05rem;
            line-height: 1.65;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 1.75rem;
        }

        .article-author-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.25rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-author-info {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .article-author-avatar {
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.25), rgba(255, 215, 0, 0.06));
            border: 2px solid rgba(255, 215, 0, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-400);
            font-size: 1.2rem;
            box-shadow: 0 0 18px rgba(255, 215, 0, 0.15);
        }

        .article-author-meta {
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
        }

        .article-author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: #fff;
        }

        .article-author-verified {
            font-size: 0.75rem;
            color: var(--gold-400);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .article-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-left: auto;
        }

        .article-stat-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.45rem 0.9rem;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .article-stat-chip i {
            color: var(--gold-400);
        }

        .article-stat-chip strong {
            color: #fff;
            font-weight: 700;
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 5.5rem 0 2rem;
            }
            .article-hero h1 {
                font-size: 1.6rem;
            }
            .article-hero .article-excerpt {
                font-size: 0.92rem;
            }
            .article-stats-row {
                margin-left: 0;
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .article-hero h1 {
                font-size: 1.35rem;
            }
            .article-author-row {
                gap: 0.8rem;
            }
            .article-stat-chip {
                font-size: 0.7rem;
                padding: 0.35rem 0.65rem;
            }
        }

        /* ============ ARTICLE BODY ============ */
        .article-body-section {
            padding: 2.5rem 0 3rem;
            background: var(--jade-950);
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 2.5rem;
            align-items: start;
        }

        .article-main-content {
            background: rgba(255, 255, 255, 0.025);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-xl);
            padding: 2rem;
        }

        .article-main-content h2 {
            font-family: 'Playfair Display', 'Be Vietnam Pro', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .article-main-content h2:first-child {
            margin-top: 0;
        }

        .article-main-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--gold-400);
            margin-top: 1.5rem;
            margin-bottom: 0.6rem;
            line-height: 1.4;
        }

        .article-main-content p {
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }

        .article-main-content ul,
        .article-main-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .article-main-content ul li,
        .article-main-content ol li {
            margin-bottom: 0.5rem;
        }

        .article-main-content ul li::marker {
            color: var(--gold-400);
        }
        .article-main-content ol li::marker {
            color: var(--gold-400);
            font-weight: 700;
        }

        .article-main-content blockquote {
            border-left: 3px solid var(--gold-400);
            padding: 0.75rem 1.25rem;
            margin: 1.5rem 0;
            background: rgba(255, 215, 0, 0.05);
            border-radius: 0 12px 12px 0;
            color: var(--mint-100);
            font-style: italic;
            font-size: 0.95rem;
        }

        .article-main-content img {
            border-radius: var(--radius-lg);
            margin: 1.5rem 0;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-main-content a {
            color: var(--gold-400);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }

        .article-main-content a:hover {
            color: #fff;
        }

        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            position: sticky;
            top: 5.5rem;
        }

        .sidebar-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
        }

        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sidebar-card h4 i {
            color: var(--gold-400);
        }

        .sidebar-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: var(--text-secondary);
            font-size: 0.86rem;
            padding: 0.5rem 0.75rem;
            border-radius: 8px;
            transition: all 0.2s;
            background: rgba(255, 255, 255, 0.02);
        }

        .sidebar-card ul li a:hover {
            color: #fff;
            background: rgba(255, 215, 0, 0.07);
        }

        .sidebar-card ul li a i {
            color: var(--gold-400);
            font-size: 0.75rem;
        }

        .sidebar-download-cta {
            background: linear-gradient(140deg, rgba(255, 215, 0, 0.12), rgba(255, 215, 0, 0.03));
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            text-align: center;
        }

        .sidebar-download-cta h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .sidebar-download-cta p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
            line-height: 1.5;
        }

        .sidebar-download-cta .btn-download-sidebar {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            width: 100%;
            background: linear-gradient(135deg, var(--gold-400), #FFA500);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.8rem 1.25rem;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.25);
        }

        .sidebar-download-cta .btn-download-sidebar:hover {
            box-shadow: 0 6px 30px rgba(255, 215, 0, 0.4);
            transform: translateY(-2px);
        }

        @media (max-width: 900px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }
            .sidebar-card {
                flex: 1;
                min-width: 240px;
            }
            .sidebar-download-cta {
                flex: 1;
                min-width: 240px;
            }
        }

        @media (max-width: 600px) {
            .article-main-content {
                padding: 1.25rem;
                border-radius: var(--radius-lg);
            }
            .article-sidebar {
                flex-direction: column;
            }
            .sidebar-card,
            .sidebar-download-cta {
                flex: 1;
                min-width: auto;
            }
        }

        /* ============ NOT FOUND ============ */
        .article-not-found {
            padding: 7rem 0 4rem;
            background: var(--jade-950);
            text-align: center;
        }

        .article-not-found .icon-wrap {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.08);
            border: 2px dashed rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-400);
            font-size: 2rem;
        }

        .article-not-found h1 {
            font-family: 'Playfair Display', serif;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }

        .article-not-found p {
            color: var(--text-muted);
            max-width: 420px;
            margin: 0 auto 1.75rem;
            line-height: 1.6;
        }

        .article-not-found .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--gold-400), #FFA500);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 0.8rem 1.6rem;
            border-radius: 12px;
            transition: all 0.25s;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
        }

        .article-not-found .btn-back-home:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
        }

        /* ============ DOWNLOAD STEPS SECTION ============ */
        .download-steps-section {
            padding: 3.5rem 0;
            background: var(--jade-900);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-heading {
            margin-bottom: 2rem;
        }

        .section-heading h2 {
            font-family: 'Playfair Display', serif;
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 560px;
            line-height: 1.6;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .step-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-400), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .step-card:hover {
            border-color: rgba(255, 215, 0, 0.25);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

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

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            color: var(--gold-400);
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 1rem;
        }

        .step-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .step-card p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 0.9rem;
            }
            .section-heading h2 {
                font-size: 1.35rem;
            }
        }

        /* ============ FAQ SECTION ============ */
        .faq-section {
            padding: 3.5rem 0;
            background: var(--jade-950);
        }

        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .faq-item:hover {
            border-color: rgba(255, 215, 0, 0.2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            cursor: pointer;
            user-select: none;
            gap: 1rem;
            transition: background 0.25s;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
        }

        .faq-question .faq-toggle {
            color: var(--gold-400);
            font-size: 1rem;
            transition: transform 0.3s;
            flex-shrink: 0;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            display: none;
            padding: 0 1.25rem 1.25rem;
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.65;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* ============ CTA SECTION ============ */
        .cta-section {
            padding: 4rem 0;
            background: var(--jade-900);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .cta-panel {
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.12), rgba(255, 255, 255, 0.02));
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-2xl);
            padding: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25);
        }

        .cta-panel-left h2 {
            font-family: 'Playfair Display', serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }

        .cta-panel-left p {
            color: var(--text-muted);
            font-size: 0.92rem;
            max-width: 480px;
            line-height: 1.6;
        }

        .cta-panel-right {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            min-width: 280px;
        }

        .cta-input-group {
            display: flex;
            gap: 0.5rem;
        }

        .cta-input-group input {
            flex: 1;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            padding: 0.75rem 1rem;
            color: #fff;
            font-size: 0.88rem;
            outline: none;
            transition: border-color 0.25s, box-shadow 0.25s;
        }

        .cta-input-group input:focus {
            border-color: rgba(255, 215, 0, 0.4);
            box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
        }

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

        .btn-cta-primary {
            background: linear-gradient(135deg, var(--gold-400), #FFA500);
            color: #0A2E1C;
            font-weight: 700;
            font-size: 0.92rem;
            padding: 0.75rem 1.5rem;
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
            white-space: nowrap;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
        }

        .btn-cta-primary:hover {
            box-shadow: 0 6px 28px rgba(255, 215, 0, 0.45);
            transform: translateY(-1px);
        }

        .cta-note {
            font-size: 0.72rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .cta-note i {
            color: var(--gold-400);
        }

        @media (max-width: 768px) {
            .cta-panel {
                padding: 1.75rem;
                flex-direction: column;
                text-align: left;
            }
            .cta-panel-left h2 {
                font-size: 1.3rem;
            }
            .cta-panel-right {
                min-width: 100%;
                width: 100%;
            }
            .cta-input-group {
                flex-direction: column;
            }
            .btn-cta-primary {
                width: 100%;
            }
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--jade-950);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand .logo {
            margin-bottom: 0.8rem;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.84rem;
            line-height: 1.6;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.84rem;
            transition: color 0.22s;
        }

        .footer-col ul li a:hover {
            color: var(--gold-400);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.25rem;
            flex-wrap: wrap;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .footer-badges {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.8rem;
            border-radius: 9999px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.72rem;
            color: var(--mint-100);
            white-space: nowrap;
        }

        .footer-badge i {
            color: var(--gold-400);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ============ FAB ============ */
        .fab-floating {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 900;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 215, 0, 0.05));
            border: 2px solid rgba(255, 215, 0, 0.45);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-400);
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            opacity: 0.7;
            transition: all 0.3s ease;
            animation: fabFloat 3s ease-in-out infinite;
        }

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

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

        .fab-floating .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF0000;
            border: 2px solid var(--jade-950);
            animation: fabBlink 1.5s ease-in-out infinite;
        }

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

        @keyframes fabBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.35; }
        }

        @media (max-width: 480px) {
            .fab-floating {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
                left: 0.75rem;
                bottom: 5rem;
            }
        }

        /* ============ SECTION DIVIDER ============ */
        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.2), transparent);
            border: none;
            margin: 0;
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--jade-950);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 215, 0, 0.3);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 215, 0, 0.5);
        }

/* roulang page: category2 */
:root {
            --bg-deep: #08090F;
            --bg-navy: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.82);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-green: #00FF88;
            --accent-pink: #FF007F;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 240, 255, 0.35);
            --border-blue: rgba(0, 82, 255, 0.45);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-blue: 0 0 25px rgba(0, 82, 255, 0.3);
            --shadow-card: 0 12px 48px rgba(0, 0, 0, 0.55);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
            --font-primary: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        }

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

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

        body {
            font-family: var(--font-primary);
            background-color: var(--bg-deep);
            color: var(--text-white);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

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

        ::selection {
            background: rgba(0, 240, 255, 0.28);
            color: #FFFFFF;
        }

        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(0, 240, 255, 0.4);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: rgba(0, 240, 255, 0.7);
        }

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

        .text-gradient {
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 50%, var(--accent-pink) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
        }

        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-neon), var(--shadow-card);
            transform: translateY(-3px);
        }

        .glow-btn {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-blue) 0%, #0033CC 60%, var(--accent-cyan) 100%);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            padding: 15px 32px;
            border-radius: 50px;
            border: 1px solid rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 20px rgba(0, 82, 255, 0.35), 0 0 40px rgba(0, 240, 255, 0.15);
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
            cursor: pointer;
            text-align: center;
            user-select: none;
        }

        .glow-btn:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.5), 0 0 60px rgba(0, 82, 255, 0.35);
            transform: translateY(-2px);
            border-color: rgba(0, 240, 255, 0.7);
        }

        .glow-btn:active {
            transform: translateY(0) scale(0.97);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
        }

        .outline-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 50px;
            border: 1px solid var(--border-glow);
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
            user-select: none;
        }

        .outline-btn:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: rgba(0, 240, 255, 0.7);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
            transform: translateY(-1px);
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-silver);
            border: 1px solid rgba(203, 213, 225, 0.25);
            transition: all var(--transition-fast);
            background: transparent;
            cursor: pointer;
        }

        .btn-login:hover {
            color: var(--accent-cyan);
            border-color: rgba(0, 240, 255, 0.5);
            background: rgba(0, 240, 255, 0.05);
        }

        .btn-signup {
            display: inline-flex;
            align-items: center;
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
            color: #FFFFFF;
            border: none;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.45);
            transform: translateY(-1px);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.02em;
        }

        .tag-cyan {
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 240, 255, 0.3);
        }

        .tag-green {
            background: rgba(0, 255, 136, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(0, 255, 136, 0.3);
        }

        .tag-pink {
            background: rgba(255, 0, 127, 0.12);
            color: var(--accent-pink);
            border: 1px solid rgba(255, 0, 127, 0.3);
        }

        .step-indicator {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            min-width: 48px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.35);
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 1.2rem;
            transition: all var(--transition-base);
        }

        .step-item:hover .step-indicator {
            background: rgba(0, 240, 255, 0.22);
            border-color: rgba(0, 240, 255, 0.7);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .faq-item {
            border-bottom: 1px solid rgba(203, 213, 225, 0.12);
            transition: all var(--transition-base);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            text-align: left;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--text-white);
            transition: color var(--transition-fast);
            cursor: pointer;
        }

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

        .faq-icon {
            min-width: 32px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--accent-cyan);
            transition: all var(--transition-base);
            font-size: 0.8rem;
        }

        .faq-item.active .faq-icon {
            background: rgba(0, 240, 255, 0.2);
            border-color: rgba(0, 240, 255, 0.6);
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
            color: var(--text-silver);
            font-size: 0.95rem;
            line-height: 1.7;
            padding: 0;
        }

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

        .stat-block {
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-block:hover {
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.12);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: -0.01em;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(8, 9, 15, 0.88);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
            transition: all var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 72px;
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            min-width: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.18) 0%, rgba(0, 82, 255, 0.28) 100%);
            border: 1px solid rgba(0, 240, 255, 0.35);
            color: var(--accent-cyan);
            font-size: 1.2rem;
            transition: all var(--transition-base);
        }

        .logo:hover .logo-icon {
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            gap: 1px;
            font-weight: 800;
            font-size: 0.92rem;
            color: #FFFFFF;
            line-height: 1.25;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .logo-text span {
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .main-nav li a {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.89rem;
            color: var(--text-silver);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .main-nav li a:hover {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.06);
        }

        .main-nav li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            font-weight: 600;
        }

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

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.25);
            color: var(--accent-cyan);
            font-size: 1.1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: rgba(0, 240, 255, 0.2);
        }

        .hero-section {
            padding-top: 150px;
            padding-bottom: 80px;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            min-height: 80vh;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 9, 15, 0.85) 0%, rgba(8, 9, 15, 0.7) 40%, rgba(8, 9, 15, 0.92) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: #FFFFFF;
        }

        .hero-text .hero-sub {
            font-size: 1.15rem;
            color: var(--text-silver);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 520px;
        }

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

        .hero-trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 28px;
        }

        .hero-image-panel {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.15), 0 12px 48px rgba(0, 0, 0, 0.6);
            aspect-ratio: 4/3;
            background: rgba(13, 17, 30, 0.6);
            backdrop-filter: blur(12px);
        }

        .hero-image-panel img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-image-panel::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.12) 0%, transparent 50%, rgba(0, 82, 255, 0.15) 100%);
            pointer-events: none;
        }

        .section {
            padding: 70px 0;
        }

        .section-alt {
            background: rgba(13, 17, 30, 0.55);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 620px;
        }

        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }

        .step-item {
            display: flex;
            gap: 20px;
            padding: 24px 0;
            border-bottom: 1px solid rgba(203, 213, 225, 0.08);
            align-items: flex-start;
            transition: all var(--transition-base);
        }

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

        .step-item:hover {
            padding-left: 8px;
        }

        .step-content h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 0.93rem;
            color: var(--text-silver);
            line-height: 1.68;
            margin-bottom: 8px;
        }

        .step-content .step-note {
            font-size: 0.83rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .step-content .step-note i {
            color: var(--accent-cyan);
            font-size: 0.75rem;
        }

        .compat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px;
        }

        .compat-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 20px;
            background: rgba(13, 17, 30, 0.65);
            border-radius: var(--radius-md);
            border: 1px solid rgba(203, 213, 225, 0.08);
            transition: all var(--transition-base);
        }

        .compat-item:hover {
            border-color: rgba(0, 240, 255, 0.3);
            background: rgba(0, 240, 255, 0.04);
        }

        .compat-icon {
            width: 40px;
            height: 40px;
            min-width: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--accent-cyan);
            font-size: 1.05rem;
        }

        .compat-info h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: #FFFFFF;
        }

        .compat-info p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
        }

        .cta-section {
            padding: 80px 0;
            background-image: url('/assets/images/backpic/back-3.jpg');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 9, 15, 0.88);
            z-index: 1;
        }

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

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .cta-content p {
            font-size: 1rem;
            color: var(--text-silver);
            margin-bottom: 28px;
            line-height: 1.7;
        }

        .faq-container {
            max-width: 760px;
            background: rgba(13, 17, 30, 0.6);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
        }

        .site-footer {
            background: rgba(6, 8, 4, 0.95);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 56px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 10px;
            max-width: 340px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(203, 213, 225, 0.08);
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .footer-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 50px;
            background: rgba(0, 240, 255, 0.07);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--accent-cyan);
        }

        .footer-badge i {
            font-size: 0.8rem;
        }

        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(0, 0, 0, 0.65);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5), 0 4px 20px rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            cursor: pointer;
            opacity: 0.65;
            transition: all var(--transition-base);
            position: fixed;
        }

        .fab-left::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50%;
            padding: 2px;
            background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan), var(--accent-blue));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .fab-left:hover {
            opacity: 1;
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7), 0 6px 30px rgba(0, 0, 0, 0.6);
            transform: scale(1.06);
        }

        .fab-left:active {
            transform: scale(0.94);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.6);
            color: var(--accent-pink);
        }

        .fab-notification {
            position: absolute;
            top: -4px;
            right: -4px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--accent-pink);
            border: 2px solid rgba(8, 9, 15, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.55rem;
            font-weight: 700;
            color: #FFFFFF;
            animation: fab-blink 1.4s ease-in-out infinite;
        }

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

        .pulse-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 8px rgba(0, 255, 136, 0.7);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }

        .breadcrumb-bar {
            padding-top: 90px;
            padding-bottom: 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-silver);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--accent-cyan);
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-text h1 {
                font-size: 2.6rem;
            }

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

            .header-inner {
                height: 64px;
            }

            .main-nav li a {
                padding: 8px 14px;
                font-size: 0.84rem;
            }

            .logo-text {
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .header-inner {
                gap: 12px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(24px);
                border-bottom: 1px solid rgba(0, 240, 255, 0.15);
                padding: 18px 24px 24px;
                gap: 4px;
                z-index: 99;
            }

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

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

            .main-nav li a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.92rem;
                border-radius: 10px;
            }

            .nav-toggle {
                display: flex;
            }

            .auth-buttons {
                gap: 8px;
            }

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

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

            .hero-section {
                padding-top: 120px;
                padding-bottom: 50px;
                min-height: auto;
            }

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

            .hero-text .hero-sub {
                font-size: 1rem;
            }

            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 1.7rem;
            }

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

            .cta-content h2 {
                font-size: 1.6rem;
            }

            .faq-container {
                padding: 22px 20px;
            }

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

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

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

            .step-item {
                gap: 14px;
                padding: 18px 0;
            }

            .step-indicator {
                width: 38px;
                height: 38px;
                min-width: 38px;
                font-size: 1rem;
            }

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

            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }

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

            .logo-text {
                font-size: 0.72rem;
            }

            .logo-text span {
                font-size: 0.62rem;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                min-width: 36px;
                font-size: 1rem;
            }

            .auth-buttons {
                gap: 6px;
            }

            .btn-login,
            .btn-signup {
                padding: 7px 12px;
                font-size: 0.72rem;
            }

            .hero-text h1 {
                font-size: 1.7rem;
            }

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

            .glow-btn,
            .outline-btn {
                width: 100%;
                padding: 13px 20px;
                font-size: 0.92rem;
            }

            .section-header h2 {
                font-size: 1.45rem;
            }

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

            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-block {
                padding: 16px 12px;
            }

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

            .cta-content h2 {
                font-size: 1.4rem;
            }

            .faq-question {
                font-size: 0.92rem;
                padding: 16px 0;
            }

            .faq-container {
                padding: 16px 14px;
            }

            .fab-left {
                bottom: 70px;
                width: 42px;
                height: 42px;
                font-size: 0.95rem;
            }

            .fab-notification {
                width: 14px;
                height: 14px;
                font-size: 0.45rem;
                top: -2px;
                right: -2px;
            }

            .hero-image-panel {
                aspect-ratio: 16/10;
            }
        }