/* roulang page: index */
:root {
            --bg-primary: #050D1A;
            --bg-secondary: #0A1A2F;
            --bg-tertiary: #0D1F38;
            --accent-cyan: #00E4FF;
            --accent-blue: #1D6FFF;
            --accent-green: #16C784;
            --accent-amber: #FFB020;
            --text-primary: #E6F0FF;
            --text-secondary: #94A8C2;
            --text-muted: #5F7390;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(255, 255, 255, 0.09);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(0, 228, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-card: 18px;
            --radius-lg: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow-cyan: 0 0 22px rgba(0, 228, 255, 0.45);
            --shadow-glow-blue: 0 0 18px rgba(29, 111, 255, 0.4);
            --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", monospace;
            --transition: all 0.25s ease;
            --nav-height: 72px;
            --container-max: 1240px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: linear-gradient(160deg, #050D1A 0%, #0A1A2F 40%, #081423 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(ellipse at 15% 30%, rgba(29, 111, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 65%, rgba(0, 228, 255, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(22, 199, 132, 0.04) 0%, transparent 45%);
            z-index: 0;
            pointer-events: none;
        }

        body>* {
            position: relative;
            z-index: 1;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }

        h1 {
            font-size: clamp(2rem, 5vw, 2.75rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2rem);
        }
        h3 {
            font-size: clamp(1.15rem, 2.5vw, 1.4rem);
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
        }

        input, textarea {
            font-family: var(--font-body);
        }

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

        section {
            padding: 72px 0;
            position: relative;
        }
        @media (max-width: 1024px) {
            section {
                padding: 56px 0;
            }
        }
        @media (max-width: 640px) {
            section {
                padding: 40px 0;
            }
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(5, 13, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-header .container-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent-cyan);
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 228, 255, 0.3);
        }
        .nav-menu {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
        }
        .nav-menu li {
            margin: 0;
        }
        .nav-menu li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.015em;
            white-space: nowrap;
        }
        .nav-menu li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-menu li a.active {
            color: #fff;
            background: rgba(0, 228, 255, 0.1);
            box-shadow: inset 0 -2px 0 var(--accent-cyan);
        }
        .nav-menu li a.active::after {
            content: "";
            position: absolute;
            bottom: 6px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 228, 255, 0.7);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--glass-border);
            border-radius: 8px;
            padding: 8px 12px;
            color: var(--text-primary);
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(5, 13, 26, 0.97);
            backdrop-filter: blur(25px);
            border-bottom: 1px solid var(--glass-border);
            padding: 16px 24px 24px;
            z-index: 999;
        }
        .mobile-nav-panel ul {
            list-style: none;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-panel ul li a {
            display: block;
            padding: 14px 16px;
            font-size: 1rem;
            color: var(--text-primary);
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-nav-panel ul li a:hover,
        .mobile-nav-panel ul li a.active {
            background: rgba(0, 228, 255, 0.1);
            color: #fff;
        }
        .mobile-nav-panel.open {
            display: block;
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            :root {
                --nav-height: 64px;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-btn);
            border: none;
            letter-spacing: 0.02em;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1.4;
            min-height: 44px;
            cursor: pointer;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            box-shadow: var(--shadow-glow-cyan);
        }
        .btn-primary:hover {
            color: #fff;
            box-shadow: 0 0 32px rgba(0, 228, 255, 0.65);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            box-shadow: 0 0 12px rgba(0, 228, 255, 0.3);
            transform: translateY(0);
        }
        .btn-secondary {
            background: var(--glass-bg);
            color: var(--text-primary);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(10px);
        }
        .btn-secondary:hover {
            color: #fff;
            border-color: var(--glass-border-hover);
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            min-height: 36px;
        }
        @media (max-width: 640px) {
            .btn {
                padding: 12px 20px;
                font-size: 0.9rem;
                width: 100%;
                min-height: 48px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            min-height: 82vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 80px 0;
            background-image: url('/assets/images/0a61b0031f5777c2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            isolation: isolate;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(5, 13, 26, 0.82) 0%, rgba(10, 26, 47, 0.75) 50%, rgba(5, 13, 26, 0.92) 100%);
            z-index: -1;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 40%, rgba(29, 111, 255, 0.18) 0%, transparent 55%),
                radial-gradient(ellipse at 20% 70%, rgba(0, 228, 255, 0.1) 0%, transparent 45%);
            z-index: -1;
            pointer-events: none;
        }
        .hero-content {
            max-width: 760px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 50px;
            background: rgba(0, 228, 255, 0.08);
            border: 1px solid rgba(0, 228, 255, 0.25);
            font-size: 0.82rem;
            color: var(--accent-cyan);
            font-weight: 500;
            margin-bottom: 24px;
            letter-spacing: 0.03em;
        }
        .hero-content h1 {
            margin-bottom: 20px;
            color: #fff;
        }
        .hero-desc {
            font-size: 1.08rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 640px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-num {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.02em;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .hero-demo-panel {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            max-width: 380px;
        }
        .hero-demo-panel .demo-title {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .demo-score-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--glass-border);
        }
        .demo-score-row:last-child {
            border-bottom: none;
        }
        .demo-team {
            font-size: 0.95rem;
            color: var(--text-primary);
            font-weight: 500;
        }
        .demo-score {
            font-family: var(--font-mono);
            font-size: 1.2rem;
            color: var(--accent-amber);
            font-weight: 700;
        }
        @media (min-width: 1025px) {
            .hero-grid {
                display: grid;
                grid-template-columns: 1.4fr 1fr;
                gap: 48px;
                align-items: center;
            }
        }
        @media (max-width: 1024px) {
            .hero-section {
                min-height: auto;
                padding: 60px 0;
            }
            .hero-demo-panel {
                max-width: 100%;
                margin-top: 32px;
            }
            .hero-stats-row {
                gap: 20px;
            }
        }

        /* ========== SECTION HEADING ========== */
        .section-heading {
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            color: var(--accent-cyan);
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-heading h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .section-heading p {
            font-size: 1rem;
            max-width: 640px;
            margin-bottom: 0;
        }

        /* ========== DATA STRIP ========== */
        .data-strip-section {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
            padding: 36px 0;
        }
        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .data-strip-item .strip-num {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.02em;
        }
        .data-strip-item .strip-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .data-strip-item .strip-num {
                font-size: 1.5rem;
            }
        }

        /* ========== GLASS CARD ========== */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
        }
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45), 0 0 24px rgba(0, 228, 255, 0.12);
        }
        .glass-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 228, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
        }
        .glass-card h3 {
            color: #fff;
            margin-bottom: 8px;
            font-size: 1.15rem;
        }
        .glass-card p {
            font-size: 0.9rem;
            margin-bottom: 0;
            color: var(--text-secondary);
        }

        /* ========== FEATURE GRID ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SCENARIO GRID ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-card {
            text-align: left;
        }
        .scenario-card .scenario-step {
            display: inline-block;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 228, 255, 0.12);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
        }
        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SCREENSHOT SHOWCASE ========== */
        .shot-stage {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
        }
        .shot-stage img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .shot-stage-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(5, 13, 26, 0.7) 0%, transparent 50%);
            display: flex;
            align-items: flex-end;
            padding: 32px;
        }
        .shot-stage-overlay .overlay-text {
            font-size: 0.95rem;
            color: #fff;
            font-weight: 500;
        }
        .shot-thumb-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 20px;
        }
        .shot-thumb {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            cursor: pointer;
            transition: var(--transition);
        }
        .shot-thumb:hover {
            border-color: var(--glass-border-hover);
        }
        .shot-thumb img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .shot-thumb-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .shot-thumb-row {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CASE CARD ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .case-card {
            display: flex;
            flex-direction: column;
        }
        .case-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-md);
            margin-bottom: 16px;
        }
        .case-card .case-meta {
            font-size: 0.78rem;
            color: var(--accent-amber);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        @media (max-width: 1024px) {
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .case-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: var(--glass-bg);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
            padding: 72px 0;
        }
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro-grid img {
            border-radius: var(--radius-card);
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-card);
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .brand-intro-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PRICING ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            display: flex;
            flex-direction: column;
        }
        .pricing-card.featured {
            border-color: var(--glass-border-hover);
            background: rgba(0, 228, 255, 0.06);
        }
        .price-tag {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin: 12px 0;
        }
        .price-tag .unit {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 400;
        }
        .price-features {
            list-style: none;
            margin: 16px 0 24px;
            flex: 1;
        }
        .price-features li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .price-features li::before {
            content: "✓";
            color: var(--accent-green);
            font-weight: 700;
        }
        @media (max-width: 1024px) {
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .pricing-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            display: flex;
            flex-direction: column;
        }
        .testimonial-card .stars {
            color: var(--accent-amber);
            font-size: 0.85rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .testimonial-card .quote {
            font-size: 0.92rem;
            font-style: italic;
            color: var(--text-primary);
            margin-bottom: 16px;
            flex: 1;
        }
        .testimonial-card .author {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 228, 255, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.85rem;
        }
        @media (max-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== REPUTATION ========== */
        .reputation-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            text-align: center;
        }
        .reputation-item .rep-num {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--accent-green);
        }
        .reputation-item .rep-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        @media (max-width: 768px) {
            .reputation-row {
                grid-template-columns: repeat(3, 1fr);
            }
            .reputation-item .rep-num {
                font-size: 1.6rem;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            list-style: none;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-list-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 18px 0;
            border-bottom: 1px solid var(--glass-border);
            transition: var(--transition);
        }
        .news-list-item:hover {
            background: rgba(255, 255, 255, 0.02);
            padding-left: 12px;
        }
        .news-list-item img {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            border: 1px solid var(--glass-border);
        }
        .news-list-item .news-info {
            flex: 1;
        }
        .news-list-item .news-info h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 4px;
        }
        .news-list-item .news-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .news-meta {
            font-size: 0.76rem;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            gap: 16px;
        }
        @media (max-width: 640px) {
            .news-list-item {
                flex-direction: column;
            }
            .news-list-item img {
                width: 100%;
                height: auto;
                aspect-ratio: 16/9;
            }
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 50px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            color: var(--text-secondary);
            font-size: 0.82rem;
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            border-color: var(--glass-border-hover);
            color: #fff;
            background: rgba(0, 228, 255, 0.08);
        }

        /* ========== FAQ ========== */
        .faq-list {
            list-style: none;
            margin: 0;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 228, 255, 0.25);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            gap: 12px;
            user-select: none;
        }
        .faq-question .faq-icon {
            color: var(--accent-cyan);
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-answer {
            display: none;
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }

        /* ========== PARTNERS ========== */
        .partners-row {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            align-items: center;
        }
        .partner-item {
            text-align: center;
            padding: 18px 12px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            transition: var(--transition);
        }
        .partner-item:hover {
            border-color: var(--glass-border-hover);
            color: #fff;
        }
        @media (max-width: 768px) {
            .partners-row {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 520px) {
            .partners-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 80px 0;
            text-align: center;
            border-top: 1px solid var(--glass-border);
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(29, 111, 255, 0.12), rgba(0, 228, 255, 0.08));
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            box-shadow: var(--shadow-card);
        }
        .cta-box h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-box p {
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1rem;
        }
        .cta-box .btn {
            margin: 4px;
        }
        @media (max-width: 640px) {
            .cta-box {
                padding: 36px 20px;
            }
            .cta-box .btn {
                width: 100%;
                margin: 4px 0;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(2, 8, 18, 0.9);
            border-top: 1px solid var(--glass-border);
            padding: 36px 0;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .footer-brand {
            font-weight: 600;
            color: var(--text-secondary);
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-copyright {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .footer-row {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
            .footer-links {
                justify-content: center;
            }
        }

        /* ========== FOUNDATION OVERRIDES ========== */
        .top-bar,
        .top-bar ul {
            background: transparent;
        }
        .top-bar {
            padding: 0;
        }
        .menu>li>a {
            color: var(--text-secondary);
            line-height: 1.4;
        }
        .menu>li>a:hover {
            color: #fff;
        }
        .menu .active>a {
            color: #fff;
            background: rgba(0, 228, 255, 0.1);
        }
        .accordion {
            background: transparent;
        }
        .accordion-title {
            background: transparent;
            color: var(--text-primary);
            border: none;
        }
        .accordion-content {
            background: transparent;
            color: var(--text-secondary);
            border: none;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 0 22px rgba(0, 228, 255, 0.35); }
            50% { box-shadow: 0 0 36px rgba(0, 228, 255, 0.6); }
        }
        .btn-primary.pulse {
            animation: pulse-glow 2.2s infinite;
        }

        /* Smooth reveal */
        .reveal-block {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal-block.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: category2 */
:root {
            --bg-primary: #050D1A;
            --bg-secondary: #0A1A2F;
            --bg-tertiary: #0D1F38;
            --accent-cyan: #00E4FF;
            --accent-blue: #1D6FFF;
            --accent-green: #16C784;
            --accent-amber: #FFB020;
            --text-primary: #E6F0FF;
            --text-secondary: #94A8C2;
            --text-muted: #5F7390;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(255, 255, 255, 0.09);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(0, 228, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-card: 18px;
            --radius-lg: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow-cyan: 0 0 22px rgba(0, 228, 255, 0.45);
            --shadow-glow-blue: 0 0 18px rgba(29, 111, 255, 0.4);
            --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", monospace;
            --transition: all 0.25s ease;
            --nav-height: 64px;
            --container-max: 1240px;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: linear-gradient(160deg, #050D1A 0%, #0A1A2F 40%, #081423 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(ellipse at 15% 30%, rgba(29, 111, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 65%, rgba(0, 228, 255, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(22, 199, 132, 0.04) 0%, transparent 45%);
            z-index: 0;
            pointer-events: none;
        }
        body>* {
            position: relative;
            z-index: 1;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: var(--font-body);
            cursor: pointer;
        }
        input,
        textarea {
            font-family: var(--font-body);
        }
        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: 56px 0;
            position: relative;
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(5, 13, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-header .container-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent-cyan);
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 228, 255, 0.3);
        }
        .nav-menu {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
        }
        .nav-menu li {
            margin: 0;
        }
        .nav-menu li a {
            display: block;
            padding: 9px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.015em;
            white-space: nowrap;
        }
        .nav-menu li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-menu li a.active {
            color: #fff;
            background: rgba(0, 228, 255, 0.1);
            box-shadow: inset 0 0 0 1px rgba(0, 228, 255, 0.3);
        }
        .nav-menu li a.active::after {
            content: "";
            position: absolute;
            bottom: -1px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 228, 255, 0.8);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: 24px 0 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-wrap .breadcrumb-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin: 0;
            align-items: center;
        }
        .breadcrumb-list li {
            margin: 0;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-list li:not(:last-child)::after {
            content: "/";
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .breadcrumb-list a {
            color: var(--text-secondary);
        }
        .breadcrumb-list a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-list .current {
            color: var(--text-primary);
            font-weight: 500;
        }
        /* ========== CATEGORY HEADER ========== */
        .category-header {
            padding: 36px 0 28px;
            position: relative;
        }
        .category-header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(29, 111, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .category-header .container-site {
            position: relative;
            z-index: 1;
        }
        .category-header h1 {
            font-family: var(--font-heading);
            font-size: 2.1rem;
            font-weight: 700;
            color: #fff;
            margin: 8px 0 12px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .category-header .category-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 800px;
            line-height: 1.8;
        }
        /* ========== STATS STRIP ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-3px);
            box-shadow: 0 14px 44px rgba(0, 0, 0, 0.4), 0 0 18px rgba(0, 228, 255, 0.15);
        }
        .stat-card .stat-number {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        /* ========== FEATURE LARGE CARD ========== */
        .feature-league-card {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .feature-league-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 16px 50px rgba(0, 0, 0, 0.4), 0 0 24px rgba(0, 228, 255, 0.1);
        }
        .feature-league-card .feature-img {
            position: relative;
            min-height: 340px;
            overflow: hidden;
        }
        .feature-league-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }
        .feature-league-card .feature-img::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(5, 13, 26, 0.3) 0%, rgba(5, 13, 26, 0.7) 100%);
            pointer-events: none;
        }
        .feature-league-card .feature-body {
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-league-card .feature-tag {
            display: inline-block;
            padding: 5px 14px;
            background: rgba(0, 228, 255, 0.12);
            border: 1px solid rgba(0, 228, 255, 0.35);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            border-radius: 20px;
            margin-bottom: 16px;
            width: fit-content;
            font-weight: 500;
        }
        .feature-league-card h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.35;
        }
        .feature-league-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .feature-league-card .feature-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .feature-league-card .feature-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .feature-league-card .feature-meta i {
            color: var(--accent-cyan);
            font-size: 0.85rem;
        }
        /* ========== DATA TABLE SECTION ========== */
        .data-table-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }
        .data-table-card .table-header {
            padding: 20px 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .data-table-card .table-header h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
        }
        .data-table-card .table-header .table-badge {
            font-size: 0.8rem;
            color: var(--accent-amber);
            background: rgba(255, 176, 32, 0.12);
            border: 1px solid rgba(255, 176, 32, 0.3);
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 500;
        }
        .league-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .league-table th {
            padding: 14px 16px;
            text-align: left;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.8rem;
            letter-spacing: 0.05em;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            text-transform: uppercase;
        }
        .league-table td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
        }
        .league-table tr:hover td {
            background: rgba(0, 228, 255, 0.04);
        }
        .league-table .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary);
            font-weight: 500;
        }
        .league-table .team-cell .team-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            flex-shrink: 0;
        }
        .league-table .team-cell .team-dot.green {
            background: var(--accent-green);
        }
        .league-table .team-cell .team-dot.amber {
            background: var(--accent-amber);
        }
        .league-table .points-highlight {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-cyan);
        }
        .league-table .form-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin-right: 4px;
        }
        .form-dot.win {
            background: var(--accent-green);
        }
        .form-dot.draw {
            background: var(--accent-amber);
        }
        .form-dot.loss {
            background: #e5484d;
        }
        /* ========== LEAGUE LIST + SIDEBAR ========== */
        .league-list-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 28px;
            align-items: start;
        }
        .league-list-main {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .league-list-item {
            display: grid;
            grid-template-columns: 200px 1fr auto;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            align-items: stretch;
        }
        .league-list-item:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-2px);
            box-shadow: 0 14px 44px rgba(0, 0, 0, 0.4), 0 0 18px rgba(0, 228, 255, 0.1);
        }
        .league-list-item .league-thumb {
            position: relative;
            min-height: 120px;
            overflow: hidden;
        }
        .league-list-item .league-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }
        .league-list-item .league-thumb::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(5, 13, 26, 0.2) 0%, rgba(5, 13, 26, 0.6) 100%);
            pointer-events: none;
        }
        .league-list-item .league-info {
            padding: 18px 22px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .league-list-item .league-info h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
        }
        .league-list-item .league-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .league-list-item .league-action {
            display: flex;
            align-items: center;
            padding: 0 24px;
            flex-shrink: 0;
        }
        .league-list-item .league-action .btn-sm {
            padding: 8px 18px;
            font-size: 0.8rem;
            border-radius: 8px;
            border: 1px solid rgba(0, 228, 255, 0.4);
            color: var(--accent-cyan);
            background: transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .league-list-item .league-action .btn-sm:hover {
            background: rgba(0, 228, 255, 0.1);
            border-color: var(--accent-cyan);
            color: #fff;
            box-shadow: 0 0 14px rgba(0, 228, 255, 0.3);
        }
        .sidebar-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 24px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            position: sticky;
            top: 84px;
        }
        .sidebar-card h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud .tag-item {
            padding: 6px 14px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            transition: var(--transition);
            cursor: default;
        }
        .tag-cloud .tag-item:hover {
            color: var(--accent-cyan);
            border-color: rgba(0, 228, 255, 0.4);
            background: rgba(0, 228, 255, 0.06);
        }
        /* ========== SECTION TITLES ========== */
        .section-title {
            margin-bottom: 32px;
        }
        .section-title h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }
        .section-title p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin: 0;
            max-width: 680px;
            line-height: 1.7;
        }
        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(29, 111, 255, 0.12) 0%, rgba(0, 228, 255, 0.06) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .cta-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }
        .cta-card .cta-text {
            flex: 1;
            min-width: 280px;
        }
        .cta-card .cta-text h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }
        .cta-card .cta-text p {
            color: var(--text-secondary);
            margin: 0;
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            font-family: var(--font-heading);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow-cyan);
            transition: var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary:hover {
            color: #fff;
            box-shadow: 0 0 32px rgba(0, 228, 255, 0.65), 0 0 18px rgba(29, 111, 255, 0.45);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(0, 228, 255, 0.4);
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 228, 255, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            gap: 16px;
            user-select: none;
        }
        .faq-question h3 {
            font-size: 0.98rem;
            font-weight: 600;
            color: #fff;
            margin: 0;
            font-family: var(--font-heading);
            line-height: 1.5;
        }
        .faq-question .faq-toggle-icon {
            flex-shrink: 0;
            color: var(--accent-cyan);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
        }
        .faq-answer p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            margin: 0;
        }
        /* ========== FOOTER ========== */
        .site-footer {
            padding: 28px 0;
            background: rgba(5, 13, 26, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .container-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }
        .footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            width: 100%;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .footer-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .footer-links a {
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-copyright {
            color: var(--text-muted);
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-league-card {
                grid-template-columns: 1fr;
            }
            .feature-league-card .feature-img {
                min-height: 240px;
            }
            .league-list-layout {
                grid-template-columns: 1fr;
            }
            .sidebar-card {
                position: static;
            }
            .league-list-item {
                grid-template-columns: 160px 1fr;
            }
            .league-list-item .league-action {
                grid-column: 1 / -1;
                padding: 12px 22px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
        }
        @media (max-width: 768px) {
            .site-header .container-site {
                position: relative;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: calc(var(--nav-height) - 4px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(5, 13, 26, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.1);
                border-radius: 0 0 16px 16px;
                padding: 16px;
                gap: 4px;
                display: none;
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
            }
            .nav-menu li a {
                padding: 12px 16px;
                font-size: 0.95rem;
                width: 100%;
                text-align: left;
            }
            .nav-menu li a.active::after {
                bottom: 4px;
                left: 16px;
                right: 16px;
            }
            section {
                padding: 40px 0;
            }
            .category-header h1 {
                font-size: 1.7rem;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .feature-league-card .feature-body {
                padding: 24px 20px;
            }
            .feature-league-card h2 {
                font-size: 1.3rem;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .league-list-item {
                grid-template-columns: 1fr;
            }
            .league-list-item .league-thumb {
                min-height: 180px;
            }
            .league-list-item .league-info {
                padding: 16px 18px;
            }
            .league-list-item .league-action {
                padding: 10px 18px;
            }
            .cta-card {
                padding: 28px 22px;
                flex-direction: column;
                text-align: center;
            }
            .cta-card .cta-text {
                min-width: auto;
            }
            .faq-question {
                padding: 15px 18px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
            .footer-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .footer-links {
                gap: 10px;
            }
            .league-table {
                font-size: 0.78rem;
            }
            .league-table th,
            .league-table td {
                padding: 10px 8px;
            }
            .data-table-card .table-header {
                padding: 16px 18px;
            }
        }
        @media (max-width: 520px) {
            .container-site {
                padding-left: 14px;
                padding-right: 14px;
            }
            .category-header h1 {
                font-size: 1.45rem;
            }
            .category-header .category-desc {
                font-size: 0.9rem;
            }
            .stats-strip {
                grid-template-columns: 1fr;
            }
            .section-title h2 {
                font-size: 1.25rem;
            }
            .btn-primary {
                width: 100%;
                text-align: center;
                padding: 14px 20px;
            }
            .league-table {
                font-size: 0.72rem;
            }
            .league-table th,
            .league-table td {
                padding: 8px 6px;
            }
            .league-table .team-cell {
                gap: 6px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #050D1A;
            --bg-secondary: #0A1A2F;
            --bg-tertiary: #0D1F38;
            --accent-cyan: #00E4FF;
            --accent-blue: #1D6FFF;
            --accent-green: #16C784;
            --accent-amber: #FFB020;
            --text-primary: #E6F0FF;
            --text-secondary: #94A8C2;
            --text-muted: #5F7390;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(255, 255, 255, 0.09);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(0, 228, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-card: 18px;
            --radius-lg: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow-cyan: 0 0 22px rgba(0, 228, 255, 0.45);
            --shadow-glow-blue: 0 0 18px rgba(29, 111, 255, 0.4);
            --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", monospace;
            --transition: all 0.25s ease;
            --nav-height: 64px;
            --container-max: 1240px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: linear-gradient(160deg, #050D1A 0%, #0A1A2F 40%, #081423 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(ellipse at 15% 30%, rgba(29, 111, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 65%, rgba(0, 228, 255, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(22, 199, 132, 0.04) 0%, transparent 45%);
            z-index: 0;
            pointer-events: none;
        }

        body>* {
            position: relative;
            z-index: 1;
        }

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

        a:hover {
            color: #ffffff;
            text-decoration: none;
        }

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

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
        }

        input,
        textarea {
            font-family: var(--font-body);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: #ffffff;
            margin: 0 0 0.65em;
            line-height: 1.35;
            font-weight: 700;
            letter-spacing: 0.01em;
        }

        h1 {
            font-size: clamp(1.85rem, 4vw, 2.75rem);
        }

        h2 {
            font-size: clamp(1.45rem, 3vw, 2rem);
        }

        h3 {
            font-size: clamp(1.15rem, 2vw, 1.35rem);
        }

        p {
            margin: 0 0 1rem;
            color: var(--text-secondary);
        }

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

        section {
            padding: 56px 0;
            position: relative;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(5, 13, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo:hover {
            color: var(--accent-cyan);
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(0, 228, 255, 0.3);
        }

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

        .nav-menu li {
            margin: 0;
        }

        .nav-menu li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.015em;
            white-space: nowrap;
        }

        .nav-menu li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-menu li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 228, 255, 0.08);
        }

        .nav-menu li a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 228, 255, 0.6);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            color: var(--text-primary);
            width: 44px;
            height: 44px;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

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

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            margin: 0 0 12px;
            padding: 0;
            font-size: 0.86rem;
            color: var(--text-muted);
        }

        .breadcrumb-bar li {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0;
        }

        .breadcrumb-bar li+li::before {
            content: "/";
            color: var(--text-muted);
            font-size: 0.78rem;
        }

        .breadcrumb-bar a {
            color: var(--text-secondary);
        }

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

        .breadcrumb-bar .current {
            color: var(--accent-cyan);
        }

        /* ========== CATEGORY HEADER ========== */
        .category-header {
            padding: 36px 0 28px;
            background:
                linear-gradient(135deg, rgba(5, 13, 26, 0.92) 0%, rgba(10, 26, 47, 0.82) 55%, rgba(13, 31, 56, 0.72) 100%),
                url('/assets/images/0a61b0031f5777c2.webp') center center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }

        .category-header::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 228, 255, 0.35), transparent);
        }

        .category-header h1 {
            margin-bottom: 8px;
            font-size: clamp(1.7rem, 3.5vw, 2.35rem);
        }

        .category-header .category-desc {
            font-size: 1rem;
            max-width: 760px;
            margin-bottom: 0;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== STATS OVERVIEW ========== */
        .stats-overview {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: var(--transition);
            text-align: center;
        }

        .stat-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45), 0 0 18px rgba(0, 228, 255, 0.18);
        }

        .stat-card .stat-value {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin-bottom: 4px;
            letter-spacing: -0.01em;
        }

        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
        }

        /* ========== FEATURED ARTICLE ========== */
        .featured-card {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 0;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: var(--transition);
        }

        .featured-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45), 0 0 20px rgba(0, 228, 255, 0.16);
        }

        .featured-card .featured-media {
            position: relative;
            min-height: 300px;
            overflow: hidden;
        }

        .featured-card .featured-media img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-card .featured-media::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(5, 13, 26, 0.15) 0%, rgba(5, 13, 26, 0.72) 100%);
        }

        .featured-card .featured-content {
            padding: 28px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-card .featured-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.76rem;
            font-weight: 600;
            color: var(--accent-amber);
            background: rgba(255, 176, 32, 0.1);
            border: 1px solid rgba(255, 176, 32, 0.25);
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.06em;
        }

        .featured-card .featured-title {
            font-size: 1.35rem;
            margin-bottom: 10px;
        }

        .featured-card .featured-excerpt {
            font-size: 0.94rem;
            color: var(--text-secondary);
            margin-bottom: 18px;
            line-height: 1.75;
        }

        .featured-card .featured-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .featured-card .featured-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== DATA LIST ========== */
        .data-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .data-list-item {
            display: grid;
            grid-template-columns: 200px 1fr;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            transition: var(--transition);
            min-height: 150px;
        }

        .data-list-item:nth-child(even) {
            grid-template-columns: 1fr 200px;
        }

        .data-list-item:nth-child(even) .data-list-media {
            order: 2;
        }

        .data-list-item:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4), 0 0 16px rgba(0, 228, 255, 0.14);
        }

        .data-list-item .data-list-media {
            overflow: hidden;
            background: var(--bg-tertiary);
        }

        .data-list-item .data-list-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 150px;
            transition: transform 0.45s ease;
        }

        .data-list-item:hover .data-list-media img {
            transform: scale(1.05);
        }

        .data-list-item .data-list-content {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .data-list-item .data-list-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .data-list-item .data-list-desc {
            font-size: 0.87rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.6;
        }

        .data-list-item .data-list-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.76rem;
            color: var(--text-muted);
        }

        .data-list-item .data-list-meta .badge {
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .badge-green {
            background: rgba(22, 199, 132, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(22, 199, 132, 0.3);
        }

        .badge-blue {
            background: rgba(29, 111, 255, 0.12);
            color: var(--accent-blue);
            border: 1px solid rgba(29, 111, 255, 0.3);
        }

        .badge-amber {
            background: rgba(255, 176, 32, 0.12);
            color: var(--accent-amber);
            border: 1px solid rgba(255, 176, 32, 0.3);
        }

        /* ========== TREND TABLE ========== */
        .trend-panel {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 18px;
            align-items: start;
        }

        .trend-table-wrap {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            padding: 20px;
        }

        .trend-table-wrap table {
            margin: 0;
            background: transparent;
            border: none;
            width: 100%;
        }

        .trend-table-wrap table th {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 600;
            text-align: left;
            padding: 10px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            letter-spacing: 0.04em;
        }

        .trend-table-wrap table td {
            font-size: 0.9rem;
            padding: 12px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
        }

        .trend-table-wrap table tr:last-child td {
            border-bottom: none;
        }

        .trend-table-wrap .team-name {
            color: #ffffff;
            font-weight: 600;
        }

        .trend-table-wrap .stat-up {
            color: var(--accent-green);
            font-family: var(--font-mono);
        }

        .trend-table-wrap .stat-down {
            color: #FF6B6B;
            font-family: var(--font-mono);
        }

        /* ========== TAGS ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.85rem;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            color: var(--text-secondary);
            transition: var(--transition);
            letter-spacing: 0.02em;
        }

        .tag-pill:hover {
            border-color: var(--glass-border-hover);
            color: var(--accent-cyan);
            background: rgba(0, 228, 255, 0.06);
            transform: translateY(-2px);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 48px 0;
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(29, 111, 255, 0.15) 0%, rgba(0, 228, 255, 0.08) 50%, rgba(5, 13, 26, 0.6) 100%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .cta-card h2 {
            margin-bottom: 10px;
        }

        .cta-card p {
            max-width: 560px;
            margin: 0 auto 24px;
            font-size: 0.95rem;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input[type="email"] {
            flex: 1 1 240px;
            padding: 14px 18px;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-btn);
            background: rgba(5, 13, 26, 0.75);
            color: var(--text-primary);
            font-size: 0.92rem;
            transition: var(--transition);
            min-height: 48px;
        }

        .cta-form input[type="email"]::placeholder {
            color: var(--text-muted);
        }

        .cta-form input[type="email"]:focus {
            outline: none;
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 228, 255, 0.15);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border: none;
            border-radius: var(--radius-btn);
            font-size: 0.92rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: var(--transition);
            min-height: 48px;
            justify-content: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #ffffff;
            box-shadow: var(--shadow-glow-cyan);
        }

        .btn-primary:hover {
            box-shadow: 0 0 32px rgba(0, 228, 255, 0.6), 0 0 26px rgba(29, 111, 255, 0.4);
            transform: translateY(-2px);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(0, 228, 255, 0.3);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
        }

        .btn-secondary:hover {
            border-color: var(--glass-border-hover);
            background: rgba(0, 228, 255, 0.06);
            color: var(--accent-cyan);
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

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

        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

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

        .faq-item .faq-icon {
            flex-shrink: 0;
            margin-left: 12px;
            transition: transform 0.3s ease;
            color: var(--text-muted);
            font-size: 0.82rem;
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            padding-bottom: 18px;
            line-height: 1.75;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(5, 13, 26, 0.92);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
        }

        .footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.05rem;
            color: #ffffff;
            letter-spacing: 0.02em;
        }

        .footer-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-copyright {
            color: var(--text-muted);
        }

        /* ========== SECTION TYPOGRAPHY ========== */
        .section-title {
            font-size: clamp(1.4rem, 2.8vw, 1.9rem);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 28px;
            line-height: 1.75;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stats-overview {
                grid-template-columns: repeat(2, 1fr);
            }

            .trend-panel {
                grid-template-columns: 1fr;
            }

            .data-list {
                grid-template-columns: 1fr;
            }

            .data-list-item,
            .data-list-item:nth-child(even) {
                grid-template-columns: 1fr;
            }

            .data-list-item:nth-child(even) .data-list-media {
                order: 0;
            }

            .data-list-item .data-list-media {
                max-height: 220px;
            }

            .data-list-item .data-list-media img {
                min-height: auto;
                height: 220px;
            }

            .featured-card {
                grid-template-columns: 1fr;
            }

            .featured-card .featured-media {
                min-height: 240px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                right: 16px;
                flex-direction: column;
                background: rgba(5, 13, 26, 0.95);
                border: 1px solid var(--glass-border);
                border-radius: var(--radius-md);
                padding: 12px 8px;
                min-width: 200px;
                box-shadow: var(--shadow-card);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                gap: 2px;
            }

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

            .nav-menu li a {
                padding: 12px 18px;
                min-height: 44px;
                display: flex;
                align-items: center;
            }

            .nav-toggle {
                display: flex;
            }

            .category-header {
                padding: 28px 0 20px;
            }

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

            .footer-links {
                gap: 8px;
                font-size: 0.72rem;
            }
        }

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

            section {
                padding: 40px 0;
            }

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

            .stat-card {
                padding: 14px 16px;
            }

            .stat-card .stat-value {
                font-size: 1.5rem;
            }

            .featured-card .featured-content {
                padding: 20px 18px;
            }

            .data-list-item .data-list-content {
                padding: 14px 16px;
            }

            .cta-card {
                padding: 28px 18px;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input[type="email"] {
                flex: 1 1 100%;
            }

            .btn {
                width: 100%;
            }

            .trend-table-wrap {
                padding: 12px;
                overflow-x: auto;
            }

            .trend-table-wrap table {
                min-width: 420px;
            }

            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.89rem;
            }

            .faq-item .faq-answer {
                padding: 0 16px;
            }

            .faq-item .faq-answer p {
                padding-bottom: 14px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #050D1A;
            --bg-secondary: #0A1A2F;
            --bg-tertiary: #0D1F38;
            --accent-cyan: #00E4FF;
            --accent-blue: #1D6FFF;
            --accent-green: #16C784;
            --accent-amber: #FFB020;
            --text-primary: #E6F0FF;
            --text-secondary: #94A8C2;
            --text-muted: #5F7390;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(255, 255, 255, 0.09);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(0, 228, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-card: 18px;
            --radius-lg: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow-cyan: 0 0 22px rgba(0, 228, 255, 0.45);
            --shadow-glow-blue: 0 0 18px rgba(29, 111, 255, 0.4);
            --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", monospace;
            --transition: all 0.25s ease;
            --nav-height: 64px;
            --container-max: 1240px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: linear-gradient(160deg, #050D1A 0%, #0A1A2F 40%, #081423 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(ellipse at 15% 30%, rgba(29, 111, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 65%, rgba(0, 228, 255, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(22, 199, 132, 0.04) 0%, transparent 45%);
            z-index: 0;
            pointer-events: none;
        }

        body>* {
            position: relative;
            z-index: 1;
        }

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

        a:hover {
            color: #fff;
            text-decoration: none;
        }

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

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

        button {
            font-family: var(--font-body);
            cursor: pointer;
        }

        input,
        textarea {
            font-family: var(--font-body);
        }

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

        section {
            padding: 56px 0;
            position: relative;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(5, 13, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--accent-cyan);
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 228, 255, 0.3);
            flex-shrink: 0;
        }

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

        .nav-menu li {
            margin: 0;
        }

        .nav-menu li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.015em;
            white-space: nowrap;
        }

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

        .nav-menu li a.active {
            color: #fff;
            background: rgba(0, 228, 255, 0.12);
            box-shadow: inset 0 0 0 1px rgba(0, 228, 255, 0.3), 0 0 18px rgba(0, 228, 255, 0.12);
        }

        .nav-menu li a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 228, 255, 0.7);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            color: var(--text-primary);
            border-radius: 8px;
            padding: 8px 14px;
            font-size: 1.2rem;
            transition: var(--transition);
            align-items: center;
            justify-content: center;
        }

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

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: 20px 0 0;
        }

        .breadcrumb-glass {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 8px 16px;
            margin: 0;
            list-style: none;
        }

        .breadcrumb-glass li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-glass li:not(:last-child)::after {
            content: "/";
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        .breadcrumb-glass a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

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

        .breadcrumb-glass .current {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* ========== CATEGORY HEADER ========== */
        .cat-header {
            padding: 32px 0 24px;
            position: relative;
            overflow: hidden;
        }

        .cat-header::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 100%;
            background:
                radial-gradient(ellipse at top right, rgba(29, 111, 255, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at bottom left, rgba(0, 228, 255, 0.06) 0%, transparent 50%);
            z-index: 0;
            pointer-events: none;
        }

        .cat-header .container-site {
            position: relative;
            z-index: 1;
        }

        .cat-header h1 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .cat-header .cat-desc {
            font-size: 1.02rem;
            color: var(--text-secondary);
            max-width: 760px;
            margin: 0;
            line-height: 1.85;
        }

        .cat-header .cat-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .cat-header .cat-meta .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 228, 255, 0.1);
            border: 1px solid rgba(0, 228, 255, 0.25);
            color: var(--accent-cyan);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .cat-header .cat-meta .badge-tag.amber {
            background: rgba(255, 176, 32, 0.1);
            border-color: rgba(255, 176, 32, 0.25);
            color: var(--accent-amber);
        }

        /* ========== LEAD ARTICLE / LARGE CARD ========== */
        .lead-card-section {
            padding-top: 16px;
        }

        .lead-card {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 0;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .lead-card:hover {
            border-color: var(--glass-border-hover);
            box-shadow: var(--shadow-card), 0 0 30px rgba(0, 228, 255, 0.12);
            transform: translateY(-3px);
        }

        .lead-card .lead-image {
            min-height: 360px;
            position: relative;
            overflow: hidden;
        }

        .lead-card .lead-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .lead-card .lead-image::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(100deg, rgba(5, 13, 26, 0.1) 30%, rgba(5, 13, 26, 0.65) 100%);
            z-index: 1;
        }

        .lead-card .lead-content {
            padding: 36px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 14px;
        }

        .lead-card .lead-content .tag-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .lead-card .lead-content .tag-row .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(22, 199, 132, 0.1);
            border: 1px solid rgba(22, 199, 132, 0.25);
            color: var(--accent-green);
            border-radius: 20px;
            padding: 4px 14px;
            font-size: 0.78rem;
            font-weight: 500;
        }

        .lead-card .lead-content h2 {
            font-family: var(--font-heading);
            font-size: 1.65rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.45;
        }

        .lead-card .lead-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin: 0;
            line-height: 1.8;
        }

        .lead-card .lead-content .meta-line {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .lead-card .lead-content .meta-line span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .lead-card .lead-content .btn-read {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            align-self: flex-start;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow-blue);
            transition: var(--transition);
            cursor: pointer;
        }

        .lead-card .lead-content .btn-read:hover {
            box-shadow: 0 0 30px rgba(0, 228, 255, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== ALTERNATING LIST ========== */
        .alt-list-section {
            padding-top: 32px;
        }

        .alt-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .alt-item {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 24px;
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            padding: 18px;
            align-items: center;
        }

        .alt-item:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card), 0 0 22px rgba(0, 228, 255, 0.1);
        }

        .alt-item .alt-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/9;
            flex-shrink: 0;
        }

        .alt-item .alt-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .alt-item:hover .alt-image img {
            transform: scale(1.03);
        }

        .alt-item .alt-content {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 4px 8px;
        }

        .alt-item .alt-content .tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .alt-item .alt-content .tag-row .badge-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(0, 228, 255, 0.09);
            border: 1px solid rgba(0, 228, 255, 0.22);
            color: var(--accent-cyan);
            border-radius: 20px;
            padding: 3px 12px;
            font-size: 0.72rem;
            font-weight: 500;
        }

        .alt-item .alt-content .tag-row .badge-tag.blue {
            background: rgba(29, 111, 255, 0.1);
            border-color: rgba(29, 111, 255, 0.25);
            color: #6da3ff;
        }

        .alt-item .alt-content h3 {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.5;
        }

        .alt-item .alt-content p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0;
            line-height: 1.75;
        }

        .alt-item .alt-content .meta-line {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .alt-item .alt-content .meta-line span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .alt-item:nth-child(even) {
            grid-template-columns: 1fr 280px;
        }

        .alt-item:nth-child(even) .alt-image {
            order: 2;
        }

        .alt-item:nth-child(even) .alt-content {
            order: 1;
        }

        /* ========== DATA STRIP ========== */
        .data-strip-section {
            padding-top: 24px;
        }

        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .data-block {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            transition: var(--transition);
        }

        .data-block:hover {
            border-color: var(--glass-border-hover);
            box-shadow: 0 0 20px rgba(0, 228, 255, 0.08);
        }

        .data-block .data-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .data-block .data-value.blue {
            color: #6da3ff;
        }

        .data-block .data-value.green {
            color: var(--accent-green);
        }

        .data-block .data-value.amber {
            color: var(--accent-amber);
        }

        .data-block .data-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud-section {
            padding-top: 24px;
        }

        .tag-cloud-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 28px 30px;
        }

        .tag-cloud-card .section-title-sm {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: 0.02em;
        }

        .tag-cloud-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-cloud-flex a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            border-radius: 20px;
            padding: 7px 16px;
            font-size: 0.83rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .tag-cloud-flex a:hover {
            background: rgba(0, 228, 255, 0.1);
            border-color: rgba(0, 228, 255, 0.35);
            color: var(--accent-cyan);
        }

        .tag-cloud-flex a .num {
            font-family: var(--font-mono);
            font-size: 0.72rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.06);
            border-radius: 10px;
            padding: 1px 8px;
        }

        /* ========== FEATURE + SIDEBAR ========== */
        .feature-sidebar-section {
            padding-top: 24px;
        }

        .feature-sidebar-grid {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 28px;
            align-items: start;
        }

        .feature-main .feature-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            margin-bottom: 18px;
        }

        .feature-main .feature-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card), 0 0 22px rgba(0, 228, 255, 0.1);
        }

        .feature-main .feature-card .feature-img {
            aspect-ratio: 16/8;
            overflow: hidden;
            position: relative;
        }

        .feature-main .feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .feature-main .feature-card:hover .feature-img img {
            transform: scale(1.03);
        }

        .feature-main .feature-card .feature-img::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(0deg, rgba(5, 13, 26, 0.7) 0%, transparent 50%);
        }

        .feature-main .feature-card .feature-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-main .feature-card .feature-body .tag-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .feature-main .feature-card .feature-body .tag-row .badge-tag {
            display: inline-flex;
            background: rgba(255, 176, 32, 0.1);
            border: 1px solid rgba(255, 176, 32, 0.25);
            color: var(--accent-amber);
            border-radius: 20px;
            padding: 3px 12px;
            font-size: 0.72rem;
            font-weight: 500;
        }

        .feature-main .feature-card .feature-body h3 {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.5;
        }

        .feature-main .feature-card .feature-body p {
            color: var(--text-secondary);
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.75;
        }

        .feature-main .feature-card .feature-body .meta-line {
            display: flex;
            gap: 14px;
            font-size: 0.76rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .sidebar-card {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 24px;
            margin-bottom: 18px;
        }

        .sidebar-card .sidebar-title {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card .sidebar-title i {
            color: var(--accent-cyan);
        }

        .sidebar-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-list li a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.55;
            transition: var(--transition);
        }

        .sidebar-list li a:hover {
            color: var(--accent-cyan);
        }

        .sidebar-list li a .dot {
            width: 6px;
            height: 6px;
            background: var(--accent-cyan);
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 8px;
            box-shadow: 0 0 8px rgba(0, 228, 255, 0.5);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding-top: 16px;
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(29, 111, 255, 0.12) 0%, rgba(0, 228, 255, 0.08) 50%, rgba(5, 13, 26, 0.6) 100%);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(0, 228, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-card h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .cta-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin: 0 auto 24px;
            max-width: 540px;
            line-height: 1.8;
        }

        .cta-card .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-card .cta-form input[type="email"],
        .cta-card .cta-form input[type="text"] {
            flex: 1;
            min-width: 220px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-btn);
            padding: 13px 18px;
            font-size: 0.92rem;
            color: var(--text-primary);
            transition: var(--transition);
            outline: none;
        }

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

        .cta-card .cta-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 14px rgba(0, 228, 255, 0.25);
        }

        .cta-card .cta-form label {
            position: absolute;
            width: 1px;
            height: 1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 13px 26px;
            font-size: 0.92rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            box-shadow: var(--shadow-glow-cyan);
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-glow:hover {
            box-shadow: 0 0 32px rgba(0, 228, 255, 0.6);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-glow:active {
            box-shadow: 0 0 12px rgba(0, 228, 255, 0.3);
            transform: translateY(0);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-btn);
            padding: 13px 22px;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-ghost:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(0, 228, 255, 0.2);
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding-top: 24px;
        }

        .faq-container {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--glass-bg);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 228, 255, 0.3);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
        }

        .faq-item .faq-question:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .faq-item .faq-question h3 {
            font-family: var(--font-heading);
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.5;
        }

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 228, 255, 0.1);
            border: 1px solid rgba(0, 228, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            background: rgba(0, 228, 255, 0.2);
            border-color: var(--accent-cyan);
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item .faq-answer p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            margin: 0;
            padding-bottom: 18px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(5, 13, 26, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 28px 0;
            margin-top: 40px;
        }

        .site-footer .footer-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .footer-links .footer-copyright {
            color: var(--text-muted);
        }

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

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-sidebar-grid {
                grid-template-columns: 1fr;
            }

            .sidebar-card {
                margin-bottom: 0;
            }

            .lead-card .lead-content {
                padding: 26px;
            }

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

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(5, 13, 26, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                padding: 16px 20px;
                gap: 4px;
                z-index: 999;
                border-radius: 0 0 20px 20px;
            }

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

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

            .nav-menu li a {
                padding: 14px 18px;
                font-size: 1rem;
                width: 100%;
                border-radius: 10px;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .cat-header h1 {
                font-size: 1.7rem;
            }

            .lead-card {
                grid-template-columns: 1fr;
            }

            .lead-card .lead-image {
                min-height: 220px;
            }

            .alt-item {
                grid-template-columns: 1fr;
                padding: 14px;
                gap: 14px;
            }

            .alt-item:nth-child(even) {
                grid-template-columns: 1fr;
            }

            .alt-item:nth-child(even) .alt-image {
                order: 1;
            }

            .alt-item:nth-child(even) .alt-content {
                order: 2;
            }

            .alt-item .alt-image {
                aspect-ratio: 16/9;
            }

            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .data-block .data-value {
                font-size: 1.5rem;
            }

            .cta-card {
                padding: 30px 20px;
            }

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

            .cta-card .cta-form {
                flex-direction: column;
            }

            .cta-card .cta-form input[type="email"],
            .cta-card .cta-form input[type="text"] {
                min-width: 100%;
            }

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

            .footer-row {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }

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

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

            section {
                padding: 40px 0;
            }

            .cat-header h1 {
                font-size: 1.45rem;
            }

            .cat-header .cat-desc {
                font-size: 0.92rem;
            }

            .lead-card .lead-content {
                padding: 20px;
            }

            .lead-card .lead-content h2 {
                font-size: 1.2rem;
            }

            .data-strip {
                grid-template-columns: 1fr;
            }

            .alt-item .alt-content h3 {
                font-size: 1.05rem;
            }

            .tag-cloud-flex a {
                font-size: 0.78rem;
                padding: 6px 12px;
            }

            .faq-item .faq-question {
                padding: 14px 16px;
            }

            .faq-item .faq-question h3 {
                font-size: 0.9rem;
            }

            .faq-item .faq-answer {
                padding: 0 16px;
            }

            .faq-item .faq-answer p {
                font-size: 0.85rem;
            }
        }

/* roulang page: category4 */
:root {
    --bg-primary: #050D1A;
    --bg-secondary: #0A1A2F;
    --bg-tertiary: #0D1F38;
    --accent-cyan: #00E4FF;
    --accent-blue: #1D6FFF;
    --accent-green: #16C784;
    --accent-amber: #FFB020;
    --text-primary: #E6F0FF;
    --text-secondary: #94A8C2;
    --text-muted: #5F7390;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-strong: rgba(255, 255, 255, 0.09);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-hover: rgba(0, 228, 255, 0.45);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-card: 18px;
    --radius-lg: 24px;
    --radius-btn: 10px;
    --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
    --shadow-glow-cyan: 0 0 22px rgba(0, 228, 255, 0.45);
    --shadow-glow-blue: 0 0 18px rgba(29, 111, 255, 0.4);
    --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-mono: "Roboto Mono", "SFMono-Regular", monospace;
    --transition: all 0.25s ease;
    --nav-height: 64px;
    --container-max: 1240px;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text-primary);
    background: linear-gradient(160deg, #050D1A 0%, #0A1A2F 40%, #081423 100%);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(ellipse at 15% 30%, rgba(29, 111, 255, 0.08) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 65%, rgba(0, 228, 255, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 90%, rgba(22, 199, 132, 0.04) 0%, transparent 45%);
    z-index: 0;
    pointer-events: none;
}

body>* {
    position: relative;
    z-index: 1;
}

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

a:hover {
    color: #fff;
    text-decoration: none;
}

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

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

button {
    font-family: var(--font-body);
    cursor: pointer;
}

input,
textarea {
    font-family: var(--font-body);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: #fff;
    line-height: 1.35;
    margin: 0 0 16px;
}

h1 { font-size: 2.4rem; }
h2 { font-size: 1.7rem; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 16px; }

.container-site {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

section {
    padding: 56px 0;
    position: relative;
}

/* ========== HEADER / NAV ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--nav-height);
    background: rgba(5, 13, 26, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.3rem;
    color: #fff;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.brand-logo:hover {
    color: var(--accent-cyan);
}

.brand-logo .logo-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 228, 255, 0.3);
}

.nav-menu {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu li a {
    display: block;
    padding: 9px 15px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    position: relative;
    transition: var(--transition);
    letter-spacing: 0.015em;
    white-space: nowrap;
}

.nav-menu li a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.nav-menu li a.active {
    color: var(--accent-cyan);
    background: rgba(0, 228, 255, 0.07);
    box-shadow: inset 0 -2px 0 var(--accent-cyan);
}

.nav-menu li a.active::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 2px;
    background: var(--accent-cyan);
    box-shadow: 0 0 12px rgba(0, 228, 255, 0.8);
    border-radius: 2px;
}

.nav-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    width: 42px;
    height: 42px;
    border-radius: 8px;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
}

.nav-toggle:hover {
    border-color: var(--glass-border-hover);
    color: var(--accent-cyan);
    box-shadow: 0 0 16px rgba(0, 228, 255, 0.2);
}

/* ========== SECTION HEADINGS ========== */
.section-head {
    margin-bottom: 32px;
}

.section-head h2 {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    margin-bottom: 8px;
}

.section-head p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 0;
}

/* ========== BREADCRUMB ========== */
.breadcrumb-dark {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 0.85rem;
}

.breadcrumb-dark li {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
}

.breadcrumb-dark li a {
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.breadcrumb-dark li:not(:last-child)::after {
    content: "/";
    color: var(--text-muted);
    margin: 0 6px;
}

.breadcrumb-dark li:last-child {
    color: var(--accent-cyan);
}

/* ========== CATEGORY HEADER ========== */
.cat-header {
    padding: 42px 0 32px;
    position: relative;
    overflow: hidden;
    background: rgba(5, 13, 26, 0.75);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.cat-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/assets/images/95fbb4a184625d23.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.2;
    z-index: 0;
}

.cat-header::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(5, 13, 26, 0.85) 0%, rgba(5, 13, 26, 0.65) 100%);
    z-index: 1;
}

.cat-header .container-site {
    position: relative;
    z-index: 2;
}

.cat-header h1 {
    font-size: 2.1rem;
    margin-bottom: 12px;
    line-height: 1.3;
}

.cat-header .cat-desc {
    color: var(--text-secondary);
    max-width: 720px;
    font-size: 1rem;
    margin-bottom: 0;
    line-height: 1.8;
}

/* ========== GLASS CARD ========== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 24px;
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.42), 0 0 24px rgba(0, 228, 255, 0.12);
}

/* ========== BUTTONS ========== */
.btn-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: #fff;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    border: none;
    box-shadow: var(--shadow-glow-cyan);
    transition: var(--transition);
    font-size: 0.95rem;
    letter-spacing: 0.02em;
    cursor: pointer;
    text-decoration: none;
    min-height: 46px;
}

.btn-glow:hover {
    color: #fff;
    box-shadow: 0 0 32px rgba(0, 228, 255, 0.65), 0 0 48px rgba(29, 111, 255, 0.35);
    transform: translateY(-2px);
}

.btn-glow:active {
    transform: translateY(0);
    box-shadow: 0 0 12px rgba(0, 228, 255, 0.3);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    padding: 11px 24px;
    border-radius: var(--radius-btn);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.92rem;
    cursor: pointer;
    text-decoration: none;
    min-height: 44px;
}

.btn-outline:hover {
    border-color: var(--glass-border-hover);
    color: var(--accent-cyan);
    background: rgba(0, 228, 255, 0.06);
}

/* ========== BADGE / TAG ========== */
.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 20px;
    background: rgba(0, 228, 255, 0.08);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 228, 255, 0.2);
    letter-spacing: 0.01em;
}

.badge-tag.green {
    background: rgba(22, 199, 132, 0.08);
    color: var(--accent-green);
    border-color: rgba(22, 199, 132, 0.2);
}

.badge-tag.amber {
    background: rgba(255, 176, 32, 0.08);
    color: var(--accent-amber);
    border-color: rgba(255, 176, 32, 0.2);
}

.badge-tag.blue {
    background: rgba(29, 111, 255, 0.1);
    color: #6ba3ff;
    border-color: rgba(29, 111, 255, 0.25);
}

/* ========== HERO FEATURE CARD ========== */
.feature-card {
    display: grid;
    grid-template-columns: 44% 1fr;
    gap: 0;
    overflow: hidden;
    border-radius: var(--radius-card);
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    min-height: 320px;
}

.feature-card:hover {
    border-color: var(--glass-border-hover);
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.45), 0 0 28px rgba(0, 228, 255, 0.14);
}

.feature-card .fc-img {
    position: relative;
    overflow: hidden;
    min-height: 280px;
}

.feature-card .fc-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-card .fc-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5, 13, 26, 0.2) 0%, rgba(5, 13, 26, 0.55) 100%);
    z-index: 1;
}

.feature-card .fc-body {
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-card .fc-body h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    line-height: 1.45;
}

.feature-card .fc-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.8;
}

.fc-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.fc-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

/* ========== SIDEBAR ========== */
.sidebar-card {
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 22px;
    transition: var(--transition);
}

.sidebar-card:hover {
    border-color: var(--glass-border-hover);
}

.sidebar-card .sb-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-card .sb-title i {
    color: var(--accent-cyan);
}

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

.stat-mini-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.85rem;
}

.stat-mini-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.stat-mini-list .stat-label {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 7px;
}

.stat-mini-list .stat-num {
    font-family: var(--font-mono);
    color: var(--accent-cyan);
    font-weight: 600;
    font-size: 0.9rem;
}

.channel-links {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
}

.channel-links li {
    margin: 0;
}

.channel-links li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.88rem;
    transition: var(--transition);
}

.channel-links li a:hover {
    background: rgba(0, 228, 255, 0.06);
    color: var(--accent-cyan);
}

.channel-links li a i {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* ========== COMPACT POST CARD ========== */
.post-mini-card {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 16px;
    transition: var(--transition);
    height: 100%;
}

.post-mini-card:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35), 0 0 20px rgba(0, 228, 255, 0.1);
}

.post-mini-card .pm-img {
    width: 110px;
    height: 110px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.post-mini-card .pm-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-mini-card .pm-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(5, 13, 26, 0.15) 0%, rgba(5, 13, 26, 0.5) 100%);
}

.post-mini-card .pm-body {
    min-width: 0;
}

.post-mini-card .pm-body h4 {
    font-size: 0.98rem;
    font-weight: 600;
    margin-bottom: 6px;
    line-height: 1.45;
    color: #fff;
}

.post-mini-card .pm-body p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.pm-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ========== ACTIVITY ROW ========== */
.activity-row {
    display: grid;
    grid-template-columns: 64px 1fr auto;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    transition: var(--transition);
}

.activity-row:hover {
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-strong);
}

.activity-row:last-child {
    margin-bottom: 0;
}

.activity-row .act-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(29, 111, 255, 0.2), rgba(0, 228, 255, 0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    font-size: 1.2rem;
}

.activity-row .act-info {
    min-width: 0;
}

.activity-row .act-info h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 3px;
    color: #fff;
}

.activity-row .act-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

.activity-row .act-count {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-amber);
    white-space: nowrap;
}

/* ========== TAG CLOUD ========== */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-cloud .tag-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.82rem;
    transition: var(--transition);
    cursor: default;
}

.tag-cloud .tag-item:hover {
    border-color: var(--glass-border-hover);
    color: var(--accent-cyan);
    background: rgba(0, 228, 255, 0.06);
    transform: translateY(-2px);
}

.tag-cloud .tag-item i {
    font-size: 0.7rem;
    opacity: 0.6;
}

/* ========== DATA BAR ========== */
.data-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.data-stat {
    background: var(--glass-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 22px 20px;
    text-align: center;
    transition: var(--transition);
}

.data-stat:hover {
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.data-stat .ds-num {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-cyan);
    margin-bottom: 6px;
    line-height: 1.2;
}

.data-stat .ds-label {
    font-size: 0.83rem;
    color: var(--text-secondary);
}

/* ========== FAQ ========== */
.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

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

.faq-question {
    width: 100%;
    background: transparent;
    border: none;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-heading);
    letter-spacing: 0.01em;
}

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

.faq-question .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(0, 228, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--accent-cyan);
    transition: var(--transition);
}

.faq-item.open .faq-question .faq-icon {
    transform: rotate(45deg);
    background: rgba(0, 228, 255, 0.2);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 22px;
}

.faq-item.open .faq-answer {
    max-height: 260px;
    padding: 0 22px 18px;
}

.faq-answer p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    line-height: 1.8;
}

/* ========== CTA BANNER ========== */
.cta-banner {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 42px 36px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: "";
    position: absolute;
    top: -60%;
    right: -20%;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(0, 228, 255, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.cta-banner h2 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.cta-banner p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    max-width: 560px;
}

.cta-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cta-form .form-group {
    flex: 1;
    min-width: 240px;
    margin: 0;
}

.cta-form label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.cta-form input {
    width: 100%;
    background: rgba(5, 13, 26, 0.7);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-btn);
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
    min-height: 46px;
}

.cta-form input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 228, 255, 0.12), 0 0 18px rgba(0, 228, 255, 0.15);
}

/* ========== FOOTER ========== */
.site-footer {
    background: rgba(5, 13, 26, 0.95);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 24px 0;
    margin-top: 32px;
}

.site-footer .container-site {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    width: 100%;
}

.footer-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    color: #fff;
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.footer-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.78rem;
    color: var(--text-muted);
}

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

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

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

/* ========== RESPONSIVE ========== */
@media screen and (max-width: 1024px) {
    .container-site {
        padding-left: 18px;
        padding-right: 18px;
    }

    .feature-card {
        grid-template-columns: 40% 1fr;
    }

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

@media screen and (max-width: 768px) {
    :root {
        --nav-height: 58px;
    }

    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.4rem; }
    h3 { font-size: 1.1rem; }

    section {
        padding: 38px 0;
    }

    .container-site {
        padding-left: 14px;
        padding-right: 14px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(5, 13, 26, 0.95);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding: 12px 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        z-index: 999;
    }

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

    .nav-menu li a {
        padding: 13px 16px;
        font-size: 0.95rem;
        border-radius: 10px;
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .nav-menu li a.active::after {
        display: none;
    }

    .nav-menu li a.active {
        background: rgba(0, 228, 255, 0.1);
        box-shadow: inset 0 0 0 1px rgba(0, 228, 255, 0.25);
    }

    .cat-header {
        padding: 30px 0 24px;
    }

    .cat-header h1 {
        font-size: 1.7rem;
    }

    .feature-card {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .feature-card .fc-img {
        min-height: 200px;
    }

    .feature-card .fc-body {
        padding: 20px;
    }

    .post-mini-card {
        grid-template-columns: 80px 1fr;
        padding: 14px;
        gap: 12px;
    }

    .post-mini-card .pm-img {
        width: 80px;
        height: 80px;
    }

    .activity-row {
        grid-template-columns: 48px 1fr;
        padding: 14px 16px;
        gap: 12px;
    }

    .activity-row .act-count {
        grid-column: 2;
        justify-self: start;
    }

    .activity-row .act-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .data-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .data-stat {
        padding: 16px 14px;
    }

    .data-stat .ds-num {
        font-size: 1.4rem;
    }

    .cta-banner {
        padding: 28px 22px;
    }

    .cta-form {
        flex-direction: column;
    }

    .cta-form .form-group {
        min-width: 100%;
    }

    .btn-glow,
    .btn-outline {
        min-height: 46px;
        width: 100%;
        justify-content: center;
    }

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

    .footer-links {
        gap: 10px;
        font-size: 0.72rem;
    }
}

@media screen and (max-width: 520px) {
    :root {
        --nav-height: 54px;
    }

    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }

    .container-site {
        padding-left: 10px;
        padding-right: 10px;
    }

    .brand-logo {
        font-size: 1.1rem;
    }

    .brand-logo .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
        border-radius: 8px;
    }

    section {
        padding: 30px 0;
    }

    .cat-header {
        padding: 24px 0 18px;
    }

    .cat-header h1 {
        font-size: 1.4rem;
    }

    .cat-header .cat-desc {
        font-size: 0.88rem;
    }

    .glass-card {
        padding: 18px;
    }

    .section-head {
        margin-bottom: 20px;
    }

    .section-head h2 {
        font-size: 1.2rem;
    }

    .feature-card .fc-body h3 {
        font-size: 1.15rem;
    }

    .post-mini-card {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .post-mini-card .pm-img {
        width: 100%;
        height: 160px;
    }

    .data-bar {
        grid-template-columns: 1fr 1fr;
    }

    .data-stat .ds-num {
        font-size: 1.2rem;
    }

    .activity-row {
        grid-template-columns: 40px 1fr;
        padding: 12px;
    }

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

    .faq-answer {
        padding: 0 16px;
    }

    .faq-item.open .faq-answer {
        padding: 0 16px 14px;
    }

    .cta-banner {
        padding: 22px 16px;
        border-radius: var(--radius-card);
    }

    .cta-banner h2 {
        font-size: 1.2rem;
    }
}

/* roulang page: category5 */
:root {
            --bg-primary: #050D1A;
            --bg-secondary: #0A1A2F;
            --bg-tertiary: #0D1F38;
            --accent-cyan: #00E4FF;
            --accent-blue: #1D6FFF;
            --accent-green: #16C784;
            --accent-amber: #FFB020;
            --text-primary: #E6F0FF;
            --text-secondary: #94A8C2;
            --text-muted: #5F7390;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(255, 255, 255, 0.09);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(0, 228, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-card: 18px;
            --radius-lg: 24px;
            --radius-btn: 10px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow-cyan: 0 0 22px rgba(0, 228, 255, 0.45);
            --shadow-glow-blue: 0 0 18px rgba(29, 111, 255, 0.4);
            --font-heading: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "Roboto Mono", "SFMono-Regular", monospace;
            --transition: all 0.25s ease;
            --nav-height: 64px;
            --container-max: 1240px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background: linear-gradient(160deg, #050D1A 0%, #0A1A2F 40%, #081423 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: radial-gradient(ellipse at 15% 30%, rgba(29, 111, 255, 0.08) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 65%, rgba(0, 228, 255, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 90%, rgba(22, 199, 132, 0.04) 0%, transparent 45%);
            z-index: 0;
            pointer-events: none;
        }
        body > * {
            position: relative;
            z-index: 1;
        }
        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: var(--font-body);
            cursor: pointer;
        }
        input,
        textarea,
        select {
            font-family: var(--font-body);
        }
        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        section {
            padding: 56px 0;
            position: relative;
        }
        @media (min-width: 641px) {
            section {
                padding: 72px 0;
            }
            .container-site {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        @media (max-width: 640px) {
            section {
                padding: 40px 0;
            }
            .container-site {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(5, 13, 26, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-header .container-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo:hover {
            color: var(--accent-cyan);
        }
        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 228, 255, 0.3);
        }
        .nav-menu {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
        }
        .nav-menu li {
            margin: 0;
        }
        .nav-menu li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.015em;
            white-space: nowrap;
        }
        .nav-menu li a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-menu li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 228, 255, 0.1);
        }
        .nav-menu li a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: var(--shadow-glow-cyan);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
        }
        @media (max-width: 900px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(5, 13, 26, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--glass-border);
                display: none;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu li a {
                padding: 14px 16px;
                font-size: 1rem;
            }
            .nav-menu li a.active::after {
                display: none;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: 20px 0 0;
        }
        .breadcrumb-custom {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin: 0;
            padding: 12px 16px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .breadcrumb-custom li {
            margin: 0;
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .breadcrumb-custom li a {
            color: var(--text-secondary);
        }
        .breadcrumb-custom li a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-custom li + li::before {
            content: "/";
            margin-right: 8px;
            color: var(--text-muted);
        }
        .breadcrumb-custom li.current {
            color: var(--accent-cyan);
            pointer-events: none;
        }

        /* ========== CATEGORY HEADER ========== */
        .category-header {
            padding: 40px 0 28px;
        }
        .category-header-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: center;
        }
        .category-header .cat-h1 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            letter-spacing: 0.01em;
        }
        .category-header .cat-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 760px;
            margin: 0;
            line-height: 1.8;
        }
        .category-header .cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 228, 255, 0.1);
            border: 1px solid rgba(0, 228, 255, 0.25);
            color: var(--accent-cyan);
            font-size: 0.82rem;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }
        @media (min-width: 768px) {
            .category-header .cat-h1 {
                font-size: 2.3rem;
            }
        }

        /* ========== GLASS CARD ========== */
        .glass-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45), 0 0 24px rgba(0, 228, 255, 0.15);
        }

        /* ========== BUTTONS ========== */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: var(--shadow-glow-cyan);
            transition: var(--transition);
            cursor: pointer;
            min-height: 44px;
            letter-spacing: 0.02em;
        }
        .btn-glow:hover {
            box-shadow: 0 0 32px rgba(0, 228, 255, 0.65);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-glow:active {
            box-shadow: 0 0 12px rgba(0, 228, 255, 0.35);
            transform: translateY(0);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 1rem;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            cursor: pointer;
            min-height: 44px;
            letter-spacing: 0.02em;
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 228, 255, 0.06);
        }

        /* ========== PLAN CARDS ========== */
        .plan-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .plan-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }
        .plan-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .plan-card.featured {
            border-color: rgba(0, 228, 255, 0.45);
            background: rgba(0, 228, 255, 0.05);
        }
        .plan-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45), 0 0 24px rgba(0, 228, 255, 0.12);
        }
        .plan-card .plan-name {
            font-family: var(--font-heading);
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 4px;
        }
        .plan-card .plan-price {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            margin: 8px 0 4px;
        }
        .plan-card .plan-price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
            font-family: var(--font-body);
        }
        .plan-card .plan-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 8px 0 16px;
            line-height: 1.6;
        }
        .plan-card .plan-features {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
            flex: 1;
        }
        .plan-card .plan-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .plan-card .plan-features li:last-child {
            border-bottom: none;
        }
        .plan-card .plan-features li i {
            color: var(--accent-green);
            margin-top: 4px;
            font-size: 0.8rem;
        }

        /* ========== MEMBER DATA STRIP ========== */
        .data-strip {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media (min-width: 768px) {
            .data-strip {
                grid-template-columns: repeat(4, 1fr);
                gap: 20px;
            }
        }
        .data-item {
            text-align: center;
            padding: 20px 16px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .data-item .data-num {
            font-family: var(--font-mono);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
            display: block;
            line-height: 1.2;
        }
        .data-item .data-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ========== BENEFIT ALTERNATING ========== */
        .benefit-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: center;
        }
        @media (min-width: 768px) {
            .benefit-row {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .benefit-row.reverse {
                direction: rtl;
            }
            .benefit-row.reverse > * {
                direction: ltr;
            }
        }
        .benefit-img-wrap {
            border-radius: var(--radius-card);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16/9;
        }
        .benefit-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.7);
            transition: var(--transition);
        }
        .benefit-img-wrap:hover img {
            filter: brightness(0.85);
        }
        .benefit-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(5, 13, 26, 0.25) 0%, transparent 60%);
            pointer-events: none;
        }
        .benefit-content .benefit-title {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }
        .benefit-content .benefit-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .benefit-content .benefit-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .benefit-content .benefit-tags span {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 0.78rem;
            color: var(--text-secondary);
        }

        /* ========== RECOMMEND LIST ========== */
        .recommend-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 768px) {
            .recommend-list {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        .recommend-item {
            display: flex;
            gap: 16px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 16px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition);
            align-items: center;
        }
        .recommend-item:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-2px);
        }
        .recommend-item .rec-img {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .recommend-item .rec-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .recommend-item .rec-info {
            flex: 1;
            min-width: 0;
        }
        .recommend-item .rec-info h4 {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0 6px;
            line-height: 1.5;
        }
        .recommend-item .rec-info p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        .recommend-item .rec-tag {
            font-size: 0.72rem;
            color: var(--accent-amber);
            background: rgba(255, 176, 32, 0.1);
            border: 1px solid rgba(255, 176, 32, 0.25);
            border-radius: 999px;
            padding: 2px 10px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        @media (max-width: 520px) {
            .recommend-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .recommend-item .rec-img {
                width: 100%;
                height: 160px;
            }
        }

        /* ========== TAG CLOUD ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud a {
            display: inline-block;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 228, 255, 0.06);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(29, 111, 255, 0.12) 0%, rgba(0, 228, 255, 0.08) 100%);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 40px 28px;
            text-align: center;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .cta-section p {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--glass-border-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            border: none;
            padding: 18px 20px;
            font-family: var(--font-heading);
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            transition: var(--transition);
            min-height: 48px;
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 0.85rem;
        }
        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 0.98rem;
            color: var(--text-secondary);
            margin: 0 0 32px;
            max-width: 640px;
            line-height: 1.7;
        }
        .section-head {
            margin-bottom: 32px;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: rgba(5, 13, 26, 0.9);
            border-top: 1px solid var(--glass-border);
            padding: 32px 0;
            margin-top: 40px;
        }
        .site-footer .container-site {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: #fff;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-links a {
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-copyright {
            color: var(--text-muted);
        }
        @media (max-width: 640px) {
            .site-footer .container-site {
                flex-direction: column;
                text-align: center;
            }
            .footer-links {
                justify-content: center;
            }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .category-header .cat-h1 {
                font-size: 1.8rem;
            }
            .plan-card .plan-price {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .category-header .cat-h1 {
                font-size: 1.5rem;
            }
            .category-header .cat-desc {
                font-size: 0.95rem;
            }
            .plan-card {
                padding: 20px 18px;
            }
            .data-item .data-num {
                font-size: 1.4rem;
            }
            .benefit-content .benefit-title {
                font-size: 1.2rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-glow,
            .btn-outline {
                padding: 10px 20px;
                font-size: 0.9rem;
                min-height: 48px;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
        }