/* roulang page: index */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.85);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 82, 255, 0.4);
            --border-cyan: rgba(0, 240, 255, 0.5);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.35);
            --shadow-blue: 0 4px 24px rgba(0, 82, 255, 0.25);
            --radius-sm: 12px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

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

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

        .container-custom {
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.18);
            padding: 0;
            transition: var(--transition-smooth);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.35rem;
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 6px 4px;
        }

        .nav-links a:hover,
        .nav-links a.nav-active {
            color: var(--accent-cyan);
        }

        .nav-links a.nav-active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px var(--accent-cyan);
            border-radius: 4px;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .btn-login {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 9px 22px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 14px rgba(0, 240, 255, 0.2);
        }

        .btn-signup {
            background: linear-gradient(135deg, #0052FF 0%, #00F0FF 100%);
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            box-shadow: 0 4px 20px rgba(0, 82, 255, 0.5);
            transition: var(--transition-smooth);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 240, 255, 0.55);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.6rem;
            border: none;
            padding: 8px;
        }

        /* Hero */
        .hero-section {
            position: relative;
            padding: 140px 0 90px;
            background: linear-gradient(160deg, #08090F 0%, #0D111E 40%, #0A1035 100%);
            overflow: hidden;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-cyan);
            margin-bottom: 20px;
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

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

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .btn-primary-glow {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #fff;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 800;
            font-size: 1rem;
            box-shadow: 0 6px 28px rgba(0, 82, 255, 0.55);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary-glow:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 240, 255, 0.6);
        }

        .hero-data-points {
            display: flex;
            gap: 30px;
            margin-top: 24px;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
        }

        .hero-data-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
        }

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

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

        .hero-visual-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-glow);
            width: 100%;
            max-width: 440px;
        }

        .hero-visual-card img {
            border-radius: var(--radius-md);
            margin-bottom: 18px;
        }

        .hero-visual-card .visual-label {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent-cyan);
            margin-bottom: 6px;
        }

        /* Sections Common */
        .section-padding {
            padding: 80px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.2;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 600px;
        }

        /* Vertical Feed (竖屏种草) */
        .vertical-feed-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }

        .feed-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .feed-card:hover {
            border-color: var(--border-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .feed-card-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }

        .feed-card-body {
            padding: 22px;
        }

        .feed-card-body h4 {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .feed-card-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.5;
        }

        /* Hot List (爆款清单) */
        .hotlist-bento {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            grid-template-rows: auto auto;
            gap: 22px;
        }

        .hotlist-main {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
            padding: 32px;
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hotlist-main h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .hotlist-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hotlist-rank {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .hotlist-side {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition-smooth);
        }

        .hotlist-side:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-blue);
        }

        /* Reviews Wall (评价墙) */
        .reviews-masonry {
            columns: 3;
            column-gap: 22px;
        }

        .review-bubble {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 22px;
            break-inside: avoid;
            transition: var(--transition-smooth);
        }

        .review-bubble:hover {
            border-color: var(--border-cyan);
        }

        .review-stars {
            color: #FFD700;
            margin-bottom: 10px;
        }

        .review-text {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .review-author {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--accent-cyan);
        }

        /* News Feed */
        .news-dual-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
        }

        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            align-items: flex-start;
        }

        .news-list-item h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .news-list-item .news-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .news-side-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
            padding: 28px;
            height: fit-content;
        }

        /* Upsell Guide (加购引导) */
        .upsell-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .upsell-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            text-align: left;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .upsell-card::before {
            content: '';
            position: absolute;
            top: -20px;
            right: -20px;
            width: 80px;
            height: 80px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .upsell-card:hover {
            border-color: var(--accent-blue);
            transform: translateY(-6px);
            box-shadow: var(--shadow-blue);
        }

        .upsell-icon {
            font-size: 2.2rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }

        .upsell-card h4 {
            font-weight: 800;
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .btn-ghost-cyan {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            margin-top: 12px;
            display: inline-block;
        }

        .btn-ghost-cyan:hover {
            background: var(--accent-cyan);
            color: #08090F;
        }

        /* Steps Timeline */
        .steps-timeline {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            position: relative;
        }

        .steps-timeline::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 16%;
            width: 68%;
            height: 2px;
            background: linear-gradient(90deg, #0052FF, #00F0FF);
            z-index: 0;
            opacity: 0.5;
        }

        .step-node {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 0 20px;
        }

        .step-circle {
            width: 64px;
            height: 64px;
            background: var(--bg-card);
            border: 2px solid var(--accent-cyan);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, #0D111E 0%, #0A1A3A 100%);
            border: 1px solid var(--border-cyan);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 28px;
        }

        /* Footer */
        .site-footer {
            background: #060710;
            border-top: 1px solid rgba(0, 240, 255, 0.15);
            padding: 60px 0 30px;
        }

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

        .footer-col h5 {
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--accent-cyan);
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: var(--transition-smooth);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-cyber {
            position: fixed;
            left: 24px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            background: rgba(8, 9, 15, 0.8);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid transparent;
            border-image: linear-gradient(135deg, #00F0FF, #0052FF) 1;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            box-shadow: 0 0 22px rgba(0, 240, 255, 0.45);
            transition: var(--transition-smooth);
            cursor: pointer;
        }

        .fab-cyber:hover {
            transform: scale(1.15);
            box-shadow: 0 0 36px rgba(0, 240, 255, 0.7);
        }

        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            background: #FF0055;
            border-radius: 50%;
            animation: pulse-dot 1.2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        /* Mobile */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hotlist-bento {
                grid-template-columns: 1fr;
            }
            .reviews-masonry {
                columns: 2;
            }
            .news-dual-layout {
                grid-template-columns: 1fr;
            }
            .upsell-row {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-timeline {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .steps-timeline::before {
                display: none;
            }
            .hero-title {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(20px);
                padding: 24px;
                gap: 18px;
                border-bottom: 1px solid var(--border-cyan);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-cta-group .btn-login,
            .nav-cta-group .btn-signup {
                display: inline-flex;
            }
            .reviews-masonry {
                columns: 1;
            }
            .upsell-row {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
            }
            .hero-title {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-visual-card {
                max-width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #11131F;
            --bg-card: rgba(18, 20, 32, 0.65);
            --accent-primary: #0052FF;
            --accent-secondary: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.35);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #787F92;
            --border-subtle: rgba(0, 82, 255, 0.2);
            --border-glow: rgba(0, 240, 255, 0.45);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-card: 0 10px 32px -8px rgba(0, 82, 255, 0.12);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.4);
            --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            letter-spacing: -0.02em;
        }

        h1 {
            font-size: clamp(2.4rem, 6vw, 3.6rem);
            line-height: 1.15;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 85%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        h2 {
            font-size: clamp(1.8rem, 4vw, 2.4rem);
            margin-bottom: 1.2rem;
            color: var(--text-primary);
        }

        h3 {
            font-size: 1.25rem;
            margin-bottom: 0.6rem;
        }

        .gradient-text {
            background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Header & Navigation */
        .site-header {
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 50;
            padding: 0;
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            font-weight: 800;
            font-size: 1.35rem;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            transition: var(--transition-smooth);
        }

        .logo-area i {
            color: var(--accent-secondary);
            font-size: 2rem;
            filter: drop-shadow(0 0 10px var(--accent-glow));
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            padding: 10px 18px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-links a:hover,
        .nav-links a.nav-active {
            color: #FFFFFF;
            background: rgba(0, 82, 255, 0.15);
            box-shadow: 0 0 0 1px var(--border-subtle);
        }

        .nav-links a.nav-active {
            background: rgba(0, 82, 255, 0.25);
            font-weight: 600;
            box-shadow: 0 0 12px rgba(0, 82, 255, 0.25);
        }

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

        .btn-login {
            color: var(--text-secondary);
            background: transparent;
            border: none;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 40px;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-login:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .btn-signup {
            background: var(--accent-primary);
            color: #FFFFFF;
            font-weight: 700;
            padding: 11px 26px;
            border-radius: 40px;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.45);
            transition: var(--transition-smooth);
        }

        .btn-signup:hover {
            background: #1A66FF;
            box-shadow: 0 6px 22px rgba(0, 82, 255, 0.65);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-category {
            position: relative;
            padding: 5rem 0 4rem;
            background: radial-gradient(circle at 20% 30%, rgba(0, 82, 255, 0.18) 0%, transparent 55%);
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            max-width: 820px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid var(--border-glow);
            color: var(--accent-secondary);
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            width: fit-content;
        }

        .hero-description {
            font-size: 1.15rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 0.8rem;
        }

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

        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-secondary);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Game Grid */
        .section-games {
            padding: 3.5rem 0 5rem;
        }

        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
            gap: 24px;
        }

        .game-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition-smooth);
            position: relative;
        }

        .game-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow), var(--shadow-card);
            transform: translateY(-6px);
        }

        .game-thumb {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
            border-bottom: 1px solid var(--border-subtle);
        }

        .game-info {
            padding: 20px;
        }

        .game-tag {
            background: var(--accent-primary);
            color: #FFFFFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            display: inline-block;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .game-title {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 4px;
        }

        .game-meta {
            color: var(--text-muted);
            font-size: 0.85rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* Process / Steps */
        .section-process {
            padding: 4rem 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .steps-flex {
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .step-block {
            flex: 1 1 200px;
            background: var(--bg-card);
            padding: 28px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            position: relative;
        }

        .step-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-secondary);
            opacity: 0.6;
            margin-bottom: 0.5rem;
        }

        /* FAQ */
        .section-faq {
            padding: 4.5rem 0;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            padding: 20px 24px;
            transition: var(--transition-smooth);
        }

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

        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-answer {
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* CTA */
        .section-cta {
            padding: 4.5rem 0;
            background: radial-gradient(circle at 50% 0%, rgba(0, 82, 255, 0.25) 0%, transparent 70%);
            text-align: center;
        }

        .btn-cta-large {
            background: var(--accent-primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 16px 36px;
            border-radius: 40px;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 24px rgba(0, 82, 255, 0.55);
            transition: var(--transition-smooth);
            text-decoration: none;
            margin-top: 1rem;
        }

        .btn-cta-large:hover {
            background: #1A66FF;
            box-shadow: 0 12px 28px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 3.5rem 0 1.8rem;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-col h5 {
            color: #FFFFFF;
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            margin-bottom: 0.6rem;
            font-size: 0.9rem;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-support {
            position: fixed;
            left: 24px;
            bottom: 24px;
            z-index: 50;
            background: rgba(8, 9, 15, 0.75);
            backdrop-filter: blur(14px);
            border: 2px solid transparent;
            background-clip: padding-box;
            border-image: linear-gradient(135deg, #00F0FF, #0052FF) 1;
            border-radius: 60px;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 18px var(--accent-glow);
            transition: var(--transition-smooth);
            color: var(--accent-secondary);
            font-size: 1.6rem;
            cursor: pointer;
            animation: fabPulse 2.4s infinite;
        }

        .fab-support:hover {
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
        }

        @keyframes fabPulse {
            0% { opacity: 0.8; box-shadow: 0 0 15px rgba(0,240,255,0.3); }
            50% { opacity: 1; box-shadow: 0 0 25px rgba(0,240,255,0.6); }
            100% { opacity: 0.8; box-shadow: 0 0 15px rgba(0,240,255,0.3); }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 8px 14px;
                font-size: 0.9rem;
            }
            .game-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(8, 9, 15, 0.96);
                backdrop-filter: blur(22px);
                padding: 20px;
                gap: 10px;
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .btn-signup {
                padding: 10px 18px;
                font-size: 0.9rem;
            }
            .game-thumb {
                height: 140px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.75);
            --accent-cyan: #00F0FF;
            --accent-blue: #0052FF;
            --accent-glow: rgba(0, 240, 255, 0.55);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.3);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Inter', 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Site Header & Navigation */
        .site-header {
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
            transition: background var(--transition-smooth);
        }

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

        .logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: text-shadow var(--transition-fast);
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 2rem;
            text-shadow: 0 0 12px var(--accent-glow);
        }

        .logo:hover {
            text-shadow: 0 0 18px var(--accent-glow);
            color: #fff;
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 28px;
            align-items: center;
            margin: 0;
        }

        .nav-links li a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 2px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-glow);
            transition: width var(--transition-smooth);
        }

        .nav-links li a:hover,
        .nav-links li a.nav-active {
            color: #fff;
        }

        .nav-links li a:hover::after,
        .nav-links li a.nav-active::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            padding: 9px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            display: inline-block;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 12px var(--accent-glow);
            color: #fff;
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), #0088ff);
            border: none;
            color: #fff;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 16px rgba(0, 82, 255, 0.4);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(0, 240, 255, 0.55);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-cyan);
            font-size: 2rem;
            cursor: pointer;
        }

        /* Article Page Main */
        .article-main {
            padding: 50px 0 60px;
        }

        .article-container {
            max-width: 860px;
            margin: 0 auto;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .article-meta .category-tag {
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            padding: 5px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .article-date i {
            color: var(--accent-cyan);
        }

        .article-h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            color: #fff;
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.15);
        }

        .article-featured-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 20px 0 28px;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-glow);
        }

        .article-body {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.75;
            word-wrap: break-word;
        }

        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 12px;
            color: #fff;
            border-left: 4px solid var(--accent-cyan);
            padding-left: 16px;
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.15);
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-top: 24px;
            margin-bottom: 10px;
            color: var(--accent-cyan);
        }

        .article-body p {
            margin-bottom: 16px;
        }

        .article-body ul,
        .article-body ol {
            margin-left: 24px;
            margin-bottom: 20px;
        }

        .article-body li {
            margin-bottom: 6px;
        }

        .article-body a {
            color: var(--accent-cyan);
            text-decoration: underline;
        }

        .article-cta-box {
            background: rgba(0, 82, 255, 0.12);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            margin: 36px 0 20px;
            text-align: left;
        }

        .article-cta-box h4 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .article-cta-box p {
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .btn-cta-glow {
            background: linear-gradient(135deg, var(--accent-cyan), #00c8ff);
            border: none;
            color: #000;
            font-weight: 700;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 0 20px var(--accent-glow);
            transition: all var(--transition-smooth);
        }

        .btn-cta-glow:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
            transform: translateY(-2px);
            color: #000;
        }

        .not-found-section {
            text-align: left;
            padding: 60px 20px;
        }

        .not-found-section h2 {
            color: var(--accent-cyan);
            font-size: 1.8rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 50px 0 28px;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 36px;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            margin-bottom: 8px;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 90px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 30px;
            background: rgba(8, 9, 15, 0.6);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.6rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: floatGlow 3s infinite ease-in-out;
        }

        .fab-left::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            border-radius: 32px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            z-index: -1;
            opacity: 0.7;
        }

        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.8);
            color: #fff;
        }

        @keyframes floatGlow {
            0% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
            100% { transform: translateY(0); }
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-container {
                padding: 28px 20px;
            }
            .article-h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(13, 17, 30, 0.98);
                backdrop-filter: blur(20px);
                position: absolute;
                top: 68px;
                left: 0;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid var(--border-subtle);
            }

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

            .mobile-toggle {
                display: block;
            }

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

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

            .article-h1 {
                font-size: 1.7rem;
            }
        }

/* roulang page: category3 */
:root {
            /* Style D: Cyber-Tron & Electric Blue */
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.85);
            --bg-glass: rgba(8, 9, 15, 0.75);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-glow: #3B82F6;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #64748B;
            --border-color: rgba(0, 82, 255, 0.35);
            --border-glow: rgba(0, 240, 255, 0.5);
            --shadow-card: 0 4px 20px rgba(0, 82, 255, 0.15);
            --shadow-glow: 0 0 30px rgba(0, 240, 255, 0.25);
            --shadow-btn: 0 0 15px rgba(0, 82, 255, 0.4);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 40px;
            --space-2xl: 56px;
            --space-3xl: 72px;
            --font-heading: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --font-body: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-blue);
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.25;
            margin-top: 0;
            color: var(--text-primary);
        }

        h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3.2vw, 2.2rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

        p {
            color: var(--text-secondary);
            margin-bottom: var(--space-md);
        }

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 var(--space-lg);
        }

        /* Header / Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(8, 9, 15, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        .logo {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: var(--space-sm);
            white-space: nowrap;
        }
        .logo i {
            color: var(--accent-cyan);
            font-size: 1.5rem;
            filter: drop-shadow(0 0 6px var(--accent-cyan));
        }
        .logo:hover {
            color: var(--accent-cyan);
            text-shadow: 0 0 12px var(--accent-glow);
        }
        .nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }
        .nav-links li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            padding: var(--space-sm) var(--space-md);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-links li a:hover,
        .nav-links li a.nav-active {
            color: var(--accent-cyan);
            background: rgba(0, 240, 255, 0.08);
            text-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
        }
        .nav-links li a.nav-active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px var(--accent-cyan);
        }
        .header-buttons {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }
        .btn-login {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: var(--space-sm) var(--space-md);
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border: none;
            color: #fff;
            padding: var(--space-sm) var(--space-lg);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            box-shadow: var(--shadow-btn);
        }
        .btn-signup:hover {
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.55);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: var(--space-xs);
        }

        /* Hero - 拼团转化 */
        .hero-group-buy {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #08090F 0%, #0D1B3E 40%, #091428 100%);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero-group-buy::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(8, 9, 15, 0.8);
            z-index: 1;
        }
        .hero-group-buy .container-custom {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--space-xl);
            flex-wrap: wrap;
            padding-top: var(--space-2xl);
            padding-bottom: var(--space-2xl);
        }
        .hero-content {
            flex: 1 1 420px;
        }
        .hero-content h1 {
            color: #fff;
            margin-bottom: var(--space-md);
            text-shadow: 0 0 18px rgba(0, 240, 255, 0.3);
        }
        .hero-content h1 span {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-content .hero-desc {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: var(--space-lg);
            line-height: 1.6;
        }
        .group-buy-panel {
            flex: 0 0 340px;
            background: var(--bg-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--space-xl);
            box-shadow: var(--shadow-glow);
            text-align: center;
        }
        .group-avatar-row {
            display: flex;
            justify-content: center;
            gap: -8px;
            margin-bottom: var(--space-md);
        }
        .group-avatar-row span {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            border: 2px solid var(--bg-primary);
            margin-left: -8px;
        }
        .group-avatar-row span:first-child { margin-left: 0; }
        .group-count {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: var(--space-xs);
        }
        .group-count small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
        }
        .group-buy-panel .progress-bar-wrap {
            background: rgba(255,255,255,0.1);
            border-radius: 20px;
            height: 8px;
            margin: var(--space-md) 0;
            overflow: hidden;
        }
        .group-buy-panel .progress-fill {
            height: 100%;
            width: 60%;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 20px;
            animation: pulse-progress 2s infinite;
        }
        @keyframes pulse-progress {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }
        .btn-group-create,
        .btn-group-join {
            display: block;
            width: 100%;
            padding: var(--space-md);
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            margin-bottom: var(--space-sm);
            border: none;
        }
        .btn-group-create {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #fff;
            box-shadow: var(--shadow-btn);
        }
        .btn-group-create:hover {
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
            transform: translateY(-2px);
        }
        .btn-group-join {
            background: transparent;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .btn-group-join:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.3);
        }

        /* Section Common */
        .section {
            padding: var(--space-3xl) 0;
        }
        .section-header {
            margin-bottom: var(--space-xl);
        }
        .section-header h2 {
            color: #fff;
            margin-bottom: var(--space-sm);
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 650px;
        }

        /* Game Ranking Cards */
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--space-lg);
        }
        .rank-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            position: relative;
            transition: all var(--transition);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .rank-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
            transform: translateY(-4px);
        }
        .rank-badge {
            position: absolute;
            top: -12px;
            left: var(--space-lg);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            z-index: 2;
        }
        .rank-badge.gold { background: linear-gradient(135deg, #FFD700, #FFA500); color: #000; }
        .rank-badge.silver { background: linear-gradient(135deg, #C0C0C0, #8e8e8e); color: #000; }
        .rank-badge.bronze { background: linear-gradient(135deg, #CD7F32, #a0522d); color: #fff; }
        .rank-badge.normal { background: var(--bg-secondary); color: var(--text-secondary); border: 1px solid var(--border-color); }
        .rank-card img {
            border-radius: var(--radius-md);
            width: 100%;
            height: 160px;
            object-fit: cover;
            margin-bottom: var(--space-md);
        }
        .rank-card h4 {
            font-size: 1.15rem;
            margin-bottom: var(--space-xs);
            color: #fff;
        }
        .rank-meta {
            display: flex;
            gap: var(--space-md);
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: var(--space-sm);
        }
        .rank-meta i { color: var(--accent-cyan); margin-right: 4px; }
        .tag-hot {
            display: inline-block;
            background: #ef4444;
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 600;
            margin-left: var(--space-xs);
        }
        .tag-new {
            display: inline-block;
            background: var(--accent-cyan);
            color: #000;
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 20px;
            font-weight: 600;
            margin-left: var(--space-xs);
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: var(--space-lg);
        }
        .feature-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            transition: all var(--transition);
        }
        .feature-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(0, 240, 255, 0.15);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            margin-bottom: var(--space-md);
        }

        /* How It Works Steps */
        .steps-row {
            display: flex;
            gap: var(--space-lg);
            flex-wrap: wrap;
            counter-reset: step;
        }
        .step-card {
            flex: 1 1 220px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }
        .step-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 18px rgba(0, 240, 255, 0.18);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-md);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: var(--space-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-q {
            padding: var(--space-lg);
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #fff;
            font-size: 1rem;
        }
        .faq-q i {
            transition: transform var(--transition);
            color: var(--accent-cyan);
        }
        .faq-item:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.12);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0D1B3E, #08090F);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: var(--space-3xl) 0;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: var(--space-xl) 0 var(--space-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: var(--space-xl);
            margin-bottom: var(--space-xl);
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: var(--space-md);
            font-weight: 700;
        }
        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--accent-cyan); }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: var(--space-lg);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 99;
            width: 52px;
            height: 52px;
            border-radius: 50px;
            background: rgba(8, 9, 15, 0.7);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.4rem;
            color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            transition: all var(--transition);
            animation: float-fab 3s ease-in-out infinite;
        }
        .fab-left::before {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            z-index: -1;
            opacity: 0.7;
        }
        @keyframes float-fab {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        .fab-left:hover {
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.7);
            transform: scale(1.1);
        }
        .fab-notif {
            position: absolute;
            top: 6px;
            right: 6px;
            width: 10px;
            height: 10px;
            background: #ef4444;
            border-radius: 50%;
            animation: blink-dot 1.2s infinite;
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-group-buy .container-custom {
                flex-direction: column;
                text-align: center;
            }
            .group-buy-panel {
                flex: 1 1 auto;
                width: 100%;
                max-width: 440px;
            }
            .ranking-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.96);
                backdrop-filter: blur(20px);
                padding: var(--space-md);
                border-bottom: 1px solid var(--border-color);
            }
            .nav-links.open { display: flex; }
            .mobile-menu-toggle { display: block; }
            .header-buttons .btn-login,
            .header-buttons .btn-signup {
                font-size: 0.75rem;
                padding: var(--space-sm) var(--space-md);
            }
            .section { padding: var(--space-2xl) 0; }
        }
        @media (max-width: 520px) {
            .container-custom { padding: 0 var(--space-md); }
            .ranking-grid { grid-template-columns: 1fr; }
            .hero-group-buy { min-height: auto; }
            .group-buy-panel { padding: var(--space-md); }
        }

/* roulang page: category2 */
:root {
            --primary-bg: #08090F;
            --secondary-bg: #0D111E;
            --card-bg: rgba(13, 17, 30, 0.6);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-glow: rgba(0, 240, 255, 0.3);
            --shadow-neon: 0 0 15px rgba(0, 240, 255, 0.5);
            --shadow-strong: 0 0 25px rgba(0, 82, 255, 0.4);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background: linear-gradient(180deg, #08090F 0%, #0B1120 30%, #0D111E 100%);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* NAVIGATION */
        .site-header {
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
        }

        .logo {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            text-decoration: none;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }

        .logo span {
            font-weight: 400;
            font-size: 0.85rem;
            background: none;
            -webkit-text-fill-color: var(--text-secondary);
            margin-left: 4px;
        }

        .nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0%;
            height: 2px;
            background: linear-gradient(90deg, #00F0FF, #0052FF);
            transition: width 0.25s ease;
        }

        .nav-links a:hover,
        .nav-links a.nav-active {
            color: #FFFFFF;
        }

        .nav-links a:hover::after,
        .nav-links a.nav-active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 20px;
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.5);
            color: #00F0FF;
            padding: 8px 20px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.08);
            border-color: #00F0FF;
            box-shadow: 0 0 12px rgba(0, 240, 255, 0.25);
            color: #FFFFFF;
        }

        .btn-signup {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #FFFFFF;
            border: none;
            padding: 9px 24px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s;
            text-decoration: none;
            box-shadow: 0 0 18px rgba(0, 82, 255, 0.35);
        }

        .btn-signup:hover {
            box-shadow: 0 0 28px rgba(0, 240, 255, 0.55);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: #00F0FF;
            font-size: 1.6rem;
            padding: 4px 12px;
            border-radius: 8px;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(8, 9, 15, 0.95);
                backdrop-filter: blur(12px);
                padding: 20px;
                gap: 16px;
                margin-top: 12px;
                border-radius: 12px;
                border: 1px solid rgba(0, 240, 255, 0.2);
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-actions {
                margin-left: 0;
            }
            .mobile-toggle {
                display: inline-block;
            }
            .nav-actions {
                order: 3;
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }
        }

        /* HERO */
        .hero-category {
            position: relative;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8,9,15,0.85) 0%, rgba(13,17,30,0.7) 60%, rgba(0,82,255,0.2) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
            padding: 60px 0;
        }

        .hero-text {
            flex: 1 1 400px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            border: 1px solid rgba(0, 240, 255, 0.5);
            color: #00F0FF;
            padding: 6px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 16px;
            background: linear-gradient(135deg, #FFFFFF, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 550px;
        }

        .hero-visual {
            flex: 0 0 320px;
            text-align: center;
        }

        .hero-visual img {
            max-width: 100%;
            border-radius: 24px;
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.35);
            border: 2px solid rgba(0, 240, 255, 0.25);
        }

        .btn-cta-glow {
            background: linear-gradient(135deg, #0052FF, #0066FF);
            color: #FFFFFF;
            padding: 14px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 0 30px rgba(0, 82, 255, 0.55);
            transition: all 0.3s;
            border: none;
        }

        .btn-cta-glow:hover {
            box-shadow: 0 0 45px rgba(0, 240, 255, 0.7);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        @media (max-width: 768px) {
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-visual {
                flex: 0 0 180px;
                margin: 0 auto;
            }
        }

        /* SECTIONS */
        .section-padding {
            padding: 70px 0;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .section-header .accent-line {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #00F0FF, #0052FF);
            border-radius: 2px;
            margin: 12px 0;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.05rem;
        }

        /* GAME CARDS */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .game-card {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 240, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .game-card:hover {
            border-color: #00F0FF;
            box-shadow: 0 0 24px rgba(0, 240, 255, 0.3);
            transform: translateY(-4px);
        }

        .game-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 12px;
            margin-bottom: 16px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .game-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .game-card .game-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .hot-tag {
            position: absolute;
            top: 28px;
            right: 28px;
            background: #FF0055;
            color: #FFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            box-shadow: 0 0 10px rgba(255,0,85,0.5);
        }

        /* FEATURES */
        .feature-row {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: space-between;
        }

        .feature-item {
            flex: 1 1 220px;
            background: rgba(13, 17, 30, 0.4);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: left;
        }

        .feature-item i {
            font-size: 2rem;
            color: #00F0FF;
            margin-bottom: 12px;
        }

        /* FAQ */
        .faq-block {
            background: rgba(13, 17, 30, 0.5);
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid rgba(0, 240, 255, 0.15);
        }

        .faq-item {
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding: 18px 0;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            color: #00F0FF;
        }

        .faq-answer {
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* FOOTER */
        .site-footer {
            background: #06070D;
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 48px 0 24px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 32px;
        }

        .footer-col h5 {
            color: #00F0FF;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            margin-bottom: 10px;
            text-decoration: none;
            font-size: 0.9rem;
        }

        .footer-bottom {
            margin-top: 36px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 16px;
            bottom: 24px;
            z-index: 200;
            width: 56px;
            height: 56px;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(10px);
            border-radius: 50px;
            border: 2px solid #00F0FF;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 18px rgba(0,240,255,0.5);
            cursor: pointer;
        }

        .fab-floating i {
            color: #00F0FF;
            font-size: 1.8rem;
        }