/* roulang page: index */
:root {
            --bg-primary: #050816;
            --bg-secondary: #0A1333;
            --bg-card: rgba(10, 22, 64, 0.55);
            --color-primary: #1769FF;
            --color-primary-bright: #0084FF;
            --color-cyan: #21D4FD;
            --color-magenta: #B44CFF;
            --color-highlight: #9BE8FF;
            --text-primary: #EAF2FF;
            --text-secondary: #92A4C8;
            --text-muted: #64748B;
            --border-card: rgba(106, 176, 255, 0.35);
            --shadow-card: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 24px rgba(33, 212, 253, 0.55);
            --radius-card: 18px;
            --radius-control: 12px;
            --radius-pill: 999px;
            --gap-card: 24px;
            --section-pad: 80px;
            --container-max: 1200px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(23, 105, 255, 0.12) 0%, transparent 55%), radial-gradient(ellipse at 80% 20%, rgba(33, 212, 253, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 50% 80%, rgba(180, 76, 255, 0.05) 0%, transparent 55%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-cyan);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }
        a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 12px rgba(155, 232, 255, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-highlight);
            outline-offset: 3px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Top Info Bar */
        .top-bar {
            background: linear-gradient(135deg, #0A1333, #050816);
            border-bottom: 1px solid rgba(106, 176, 255, 0.18);
            font-size: 12px;
            color: var(--text-secondary);
            padding: 7px 0;
            position: relative;
            z-index: 1001;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .top-bar-domain {
            color: var(--color-cyan);
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .top-bar-time {
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .top-bar-time::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: #FF3B5C;
            box-shadow: 0 0 8px rgba(255, 59, 92, 0.7);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(255, 59, 92, 0.7);
            }
            50% {
                box-shadow: 0 0 16px rgba(255, 59, 92, 0.95);
            }
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .top-bar-right a {
            color: var(--text-secondary);
            font-size: 12px;
            transition: color 0.25s ease;
        }
        .top-bar-right a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }

        /* Main Navigation */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 8, 22, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(106, 176, 255, 0.22);
            min-height: 68px;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .main-nav.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: #fff;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links>li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.15);
        }
        .nav-links a.active {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.12);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.2);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--color-cyan);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(33, 212, 253, 0.8);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-control);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(106, 176, 255, 0.25);
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* Hero */
        .hero {
            position: relative;
            padding: 72px 0 48px;
            min-height: 82vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/8b166df1ebe7c330.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(5, 8, 22, 0.85) 0%, rgba(5, 8, 22, 0.6) 40%, rgba(5, 8, 22, 0.92) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 22px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(33, 212, 253, 0.12);
            border: 1px solid rgba(33, 212, 253, 0.3);
            font-size: 13px;
            color: var(--color-highlight);
            font-weight: 500;
            align-self: flex-start;
        }
        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #FF3B5C;
            box-shadow: 0 0 12px rgba(255, 59, 92, 0.8);
            animation: pulse-dot 1.4s ease-in-out infinite;
        }
        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.22;
            color: var(--text-primary);
            letter-spacing: -0.3px;
        }
        .hero h1 .gradient-text {
            background: linear-gradient(135deg, var(--color-cyan), var(--color-magenta));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
            padding-right: 10px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 6px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
            position: relative;
            text-decoration: none;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: linear-gradient(135deg, #1B76FF, #22D3EE);
            color: #fff;
            box-shadow: 0 0 24px rgba(33, 212, 253, 0.55);
        }
        .btn-primary:hover {
            box-shadow: 0 0 36px rgba(33, 212, 253, 0.8);
            transform: translateY(-2px);
            color: #fff;
            background: linear-gradient(135deg, #2A85FF, #33E4FF);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 12px rgba(33, 212, 253, 0.4);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(106, 176, 255, 0.4);
            color: var(--text-primary);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--color-cyan);
            color: var(--color-highlight);
            box-shadow: 0 0 20px rgba(33, 212, 253, 0.25);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(0);
            box-shadow: 0 0 8px rgba(33, 212, 253, 0.15);
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .trust-dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--color-cyan);
            box-shadow: 0 0 8px rgba(33, 212, 253, 0.7);
        }

        .hero-visual {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .hero-visual-main {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            position: relative;
        }
        .hero-visual-main img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            filter: brightness(0.92);
            transition: filter 0.4s ease;
        }
        .hero-visual-main:hover img {
            filter: brightness(1);
        }
        .hero-visual-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 4px 12px;
            background: rgba(5, 8, 22, 0.75);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 59, 92, 0.4);
            border-radius: var(--radius-pill);
            font-size: 11px;
            color: #FF6B8A;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-visual-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #FF3B5C;
            box-shadow: 0 0 10px rgba(255, 59, 92, 0.9);
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }
        .hero-stat {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-control);
            padding: 14px 12px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }
        .hero-stat:hover {
            transform: translateY(-3px);
            border-color: var(--color-cyan);
        }
        .hero-stat-value {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-cyan);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Section common */
        section {
            padding: var(--section-pad) 0;
            position: relative;
        }
        .section-header {
            margin-bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
        }
        .section-header .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 680px;
        }
        .section-label {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--color-cyan);
        }
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            border-color: rgba(33, 212, 253, 0.6);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 24px 52px rgba(0, 0, 0, 0.55), 0 0 24px rgba(33, 212, 253, 0.18);
        }

        /* Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
        }
        .feature-card {
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            min-height: 220px;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.25), rgba(33, 212, 253, 0.2));
            border: 1px solid rgba(33, 212, 253, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-cyan);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.2);
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex-grow: 1;
        }
        .feature-tag {
            align-self: flex-start;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(33, 212, 253, 0.1);
            border: 1px solid rgba(33, 212, 253, 0.25);
            font-size: 12px;
            color: var(--color-highlight);
        }

        /* Scenarios */
        .scenario-track {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .scenario-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 180px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
        }
        .scenario-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
            filter: brightness(0.6);
            transition: filter 0.4s ease, transform 0.5s ease;
        }
        .scenario-card:hover img {
            filter: brightness(0.75);
            transform: scale(1.04);
        }
        .scenario-card .scenario-info {
            position: relative;
            z-index: 2;
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 180px;
            background: linear-gradient(180deg, transparent 0%, rgba(5, 8, 22, 0.9) 75%);
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }
        .scenario-card p {
            font-size: 13px;
            color: rgba(234, 242, 255, 0.75);
            line-height: 1.6;
            margin-top: 6px;
        }

        /* Gallery/Demo */
        .gallery-wrap {
            position: relative;
        }
        .gallery-main {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .gallery-main img {
            width: 100%;
            aspect-ratio: 21/9;
            object-fit: cover;
            filter: brightness(0.85);
            transition: filter 0.4s ease;
        }
        .gallery-main:hover img {
            filter: brightness(0.95);
        }
        .gallery-thumbs {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 12px;
        }
        .gallery-thumb {
            border-radius: var(--radius-control);
            overflow: hidden;
            border: 1px solid rgba(106, 176, 255, 0.25);
            cursor: pointer;
            transition: border-color 0.3s ease, transform 0.3s ease;
            aspect-ratio: 16/9;
        }
        .gallery-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.7);
            transition: filter 0.3s ease;
        }
        .gallery-thumb:hover,
        .gallery-thumb.active {
            border-color: var(--color-cyan);
            transform: translateY(-2px);
        }
        .gallery-thumb:hover img,
        .gallery-thumb.active img {
            filter: brightness(0.9);
        }

        /* Data panel */
        .data-panel {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 14px;
        }
        .data-item {
            padding: 22px 18px;
            text-align: center;
            border-radius: var(--radius-control);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .data-item .data-number {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-cyan);
            line-height: 1.2;
        }
        .data-item .data-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
            align-items: stretch;
        }
        .pricing-card {
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            gap: 18px;
            position: relative;
        }
        .pricing-card.featured {
            border-color: rgba(33, 212, 253, 0.6);
            box-shadow: var(--shadow-card), 0 0 32px rgba(33, 212, 253, 0.2);
        }
        .pricing-badge {
            position: absolute;
            top: -13px;
            right: 24px;
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            box-shadow: var(--shadow-glow);
        }
        .pricing-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .pricing-price {
            font-size: 38px;
            font-weight: 800;
            color: var(--color-cyan);
            line-height: 1.2;
        }
        .pricing-price .currency {
            font-size: 18px;
            font-weight: 500;
        }
        .pricing-price .period {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 400;
        }
        .pricing-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .pricing-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex-grow: 1;
        }
        .pricing-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .pricing-list li::before {
            content: '✓';
            color: var(--color-cyan);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }
        .pricing-card .btn {
            width: 100%;
            margin-top: auto;
        }

        /* Reviews Wall */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .review-card {
            padding: 24px 22px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.4), rgba(33, 212, 253, 0.3));
            border: 1px solid rgba(33, 212, 253, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-cyan);
            flex-shrink: 0;
        }
        .review-user {
            flex-grow: 1;
        }
        .review-user .name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .review-user .time {
            font-size: 12px;
            color: var(--text-muted);
        }
        .review-stars {
            color: #FFC53D;
            font-size: 13px;
            letter-spacing: 1px;
        }
        .review-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex-grow: 1;
        }
        .review-tag {
            align-self: flex-start;
            font-size: 11px;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            background: rgba(180, 76, 255, 0.15);
            border: 1px solid rgba(180, 76, 255, 0.3);
            color: #C9A6FF;
        }

        /* Reputation */
        .reputation-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 28px;
            align-items: center;
        }
        .reputation-score {
            padding: 32px 28px;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .score-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--color-cyan);
            line-height: 1.2;
        }
        .score-label {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .score-stars {
            color: #FFC53D;
            font-size: 18px;
            letter-spacing: 2px;
        }
        .reputation-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .rep-tag {
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: rgba(23, 105, 255, 0.12);
            border: 1px solid rgba(23, 105, 255, 0.3);
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 500;
            transition: all 0.3s ease;
        }
        .rep-tag:hover {
            background: rgba(23, 105, 255, 0.2);
            border-color: var(--color-cyan);
            color: var(--color-highlight);
        }

        /* Brand intro */
        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 36px;
            align-items: center;
        }
        .brand-intro-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
        }
        .brand-intro-img img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            filter: brightness(0.82);
        }
        .brand-intro-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .brand-intro-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        /* Topics */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            min-height: 200px;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }
        .topic-card:hover {
            transform: translateY(-4px);
            border-color: var(--color-cyan);
        }
        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.6);
            transition: filter 0.4s ease;
        }
        .topic-card:hover img {
            filter: brightness(0.75);
        }
        .topic-info {
            position: relative;
            z-index: 2;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            justify-content: flex-end;
            min-height: 200px;
            background: linear-gradient(180deg, transparent 0%, rgba(5, 8, 22, 0.92) 70%);
        }
        .topic-info h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
        }
        .topic-info p {
            font-size: 13px;
            color: rgba(234, 242, 255, 0.75);
            line-height: 1.6;
        }
        .topic-link {
            align-self: flex-start;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            background: rgba(33, 212, 253, 0.15);
            border: 1px solid rgba(33, 212, 253, 0.3);
            font-size: 12px;
            color: var(--color-cyan);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .topic-link:hover {
            background: rgba(33, 212, 253, 0.25);
            color: var(--color-highlight);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.3);
        }

        /* Devices */
        .devices-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .device-card {
            padding: 24px 18px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 10px;
        }
        .device-icon {
            font-size: 32px;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(23, 105, 255, 0.15);
            border: 1px solid rgba(23, 105, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .device-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .device-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* News */
        .news-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }
        .news-card {
            padding: 20px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-control);
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.8);
        }
        .news-content {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .news-date {
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
        }
        .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        .news-link {
            align-self: flex-end;
            font-size: 13px;
            color: var(--color-cyan);
            font-weight: 500;
            text-decoration: none;
            padding: 4px 0;
            transition: color 0.25s ease;
        }
        .news-link:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 10px rgba(155, 232, 255, 0.5);
        }

        /* Safety */
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .safety-card {
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .safety-card .safety-icon {
            font-size: 24px;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-control);
            background: rgba(23, 105, 255, 0.12);
            border: 1px solid rgba(23, 105, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .safety-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .safety-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            padding: 48px 0 72px;
        }
        .cta-panel {
            padding: 52px 40px;
            border-radius: var(--radius-card);
            background: var(--bg-card);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(33, 212, 253, 0.4);
            box-shadow: var(--shadow-card), 0 0 40px rgba(33, 212, 253, 0.2);
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 18px;
            align-items: center;
        }
        .cta-panel h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
        }
        .cta-panel p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 560px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-radius: var(--radius-control);
            border: 1px solid var(--border-card);
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-item.active {
            border-color: rgba(33, 212, 253, 0.55);
        }
        .faq-question {
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.25s ease;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--color-highlight);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(33, 212, 253, 0.15);
            border: 1px solid rgba(33, 212, 253, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--color-cyan);
            transition: transform 0.3s ease, background 0.3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: rgba(33, 212, 253, 0.28);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* Footer */
        .footer {
            background: rgba(5, 8, 22, 0.92);
            border-top: 1px solid rgba(106, 176, 255, 0.22);
            padding: 48px 0 28px;
            position: relative;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(106, 176, 255, 0.18);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--color-cyan);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 10px rgba(155, 232, 255, 0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 56px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero {
                padding: 48px 0 36px;
                min-height: auto;
            }
            .hero h1 {
                font-size: 34px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-track {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-panel {
                grid-template-columns: repeat(3, 1fr);
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 500px;
                margin: 0 auto;
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reputation-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro-wrap {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .devices-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .safety-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 40px;
                --gap-card: 16px;
            }
            .top-bar .container {
                flex-direction: column;
                gap: 4px;
                align-items: flex-start;
            }
            .top-bar-right {
                flex-wrap: wrap;
                gap: 10px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(5, 8, 22, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-bottom: 1px solid rgba(106, 176, 255, 0.25);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-hamburger {
                display: flex;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .scenario-track {
                grid-template-columns: 1fr;
            }
            .gallery-thumbs {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-panel {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .devices-row {
                grid-template-columns: 1fr;
            }
            .news-card {
                flex-direction: column;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
            .safety-grid {
                grid-template-columns: 1fr;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
            .hero-actions {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .section-header h2 {
                font-size: 21px;
            }
            .hero-stats {
                gap: 8px;
            }
            .hero-stat-value {
                font-size: 18px;
            }
            .hero-stat-label {
                font-size: 10px;
            }
            .data-panel {
                gap: 8px;
            }
            .data-item .data-number {
                font-size: 22px;
            }
            .pricing-price {
                font-size: 28px;
            }
            .gallery-thumbs {
                grid-template-columns: 1fr;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #050816;
            --bg-secondary: #0A1333;
            --bg-card: rgba(10, 22, 64, 0.55);
            --color-primary: #1769FF;
            --color-primary-bright: #0084FF;
            --color-cyan: #21D4FD;
            --color-magenta: #B44CFF;
            --color-highlight: #9BE8FF;
            --text-primary: #EAF2FF;
            --text-secondary: #92A4C8;
            --text-muted: #64748B;
            --border-card: rgba(106, 176, 255, 0.35);
            --shadow-card: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 24px rgba(33, 212, 253, 0.55);
            --radius-card: 18px;
            --radius-control: 12px;
            --radius-pill: 999px;
            --gap-card: 24px;
            --section-pad: 80px;
            --container-max: 1200px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(23, 105, 255, 0.12) 0%, transparent 55%), radial-gradient(ellipse at 80% 20%, rgba(33, 212, 253, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 50% 80%, rgba(180, 76, 255, 0.05) 0%, transparent 55%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-cyan);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease, background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }
        a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 12px rgba(155, 232, 255, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-highlight);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Top bar */
        .top-bar {
            background: linear-gradient(90deg, #050816 0%, #0A1333 55%, #050816 100%);
            border-bottom: 1px solid rgba(106, 176, 255, 0.15);
            padding: 6px 0;
            font-size: 12px;
            min-height: 34px;
            display: flex;
            align-items: center;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-bar-domain {
            color: var(--color-cyan);
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-bar-right a {
            color: var(--text-secondary);
            font-size: 12px;
            transition: color 0.25s ease;
        }
        .top-bar-right a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }

        /* Main Navigation */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 8, 22, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(106, 176, 255, 0.22);
            min-height: 68px;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .main-nav.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: #fff;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links>li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.15);
        }
        .nav-links a.active {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.12);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.2);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-control);
            border: 1px solid var(--border-card);
            background: rgba(10, 22, 64, 0.55);
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* Page header */
        .page-header {
            padding: 64px 0 40px;
            border-bottom: 1px solid rgba(106, 176, 255, 0.18);
            background: linear-gradient(180deg, rgba(10, 19, 51, 0.7) 0%, transparent 100%);
        }
        .page-header .container {
            max-width: 960px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--color-highlight);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
        }
        .page-header h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .page-header .lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 820px;
        }
        .page-header .meta-line {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 18px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .page-header .meta-line .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #FF3B57;
            box-shadow: 0 0 10px rgba(255, 59, 87, 0.7);
            display: inline-block;
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        /* Filter bar */
        .filter-bar {
            padding: 32px 0 8px;
        }
        .filter-bar .container {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(10, 22, 64, 0.45);
            border: 1px solid rgba(106, 176, 255, 0.22);
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .filter-tag:hover {
            color: var(--color-highlight);
            border-color: rgba(155, 232, 255, 0.5);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 14px rgba(33, 212, 253, 0.2);
        }
        .filter-tag.active {
            color: #fff;
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.78), rgba(33, 212, 253, 0.68));
            border-color: rgba(155, 232, 255, 0.6);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.35);
        }

        /* Content list cards */
        .match-list-section {
            padding: 28px 0 72px;
        }
        .match-list-section .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: var(--gap-card);
        }
        .match-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-4px);
            border-color: rgba(155, 232, 255, 0.6);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 24px 52px rgba(0, 0, 0, 0.5), 0 0 24px rgba(33, 212, 253, 0.2);
        }
        .match-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            flex-shrink: 0;
        }
        .match-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .match-card:hover .card-img img {
            transform: scale(1.04);
        }
        .match-card .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            border-radius: var(--radius-pill);
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            box-shadow: 0 0 14px rgba(33, 212, 253, 0.5);
            z-index: 2;
        }
        .match-card .card-img .badge.hot {
            background: linear-gradient(135deg, #FF3B57, #FF7A3B);
            box-shadow: 0 0 14px rgba(255, 59, 87, 0.55);
        }
        .match-card .card-body {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 10px;
        }
        .match-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .match-card .card-meta .date {
            color: var(--color-cyan);
            font-weight: 500;
        }
        .match-card .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            transition: color 0.25s ease;
        }
        .match-card:hover .card-title {
            color: var(--color-highlight);
        }
        .match-card .card-teams {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .match-card .card-teams .vs {
            font-weight: 700;
            color: var(--color-cyan);
            padding: 0 4px;
        }
        .match-card .card-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .match-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid rgba(106, 176, 255, 0.18);
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            transition: all 0.3s ease;
            cursor: pointer;
            line-height: 1.4;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary {
            color: #fff;
            background: linear-gradient(135deg, #1B76FF, #22D3EE);
            box-shadow: 0 0 24px rgba(33, 212, 253, 0.55);
            border: 1px solid rgba(155, 232, 255, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 34px rgba(33, 212, 253, 0.75), 0 10px 24px rgba(0, 0, 0, 0.3);
            color: #fff;
            background: linear-gradient(135deg, #2185FF, #2BE0F8);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(33, 212, 253, 0.4);
        }
        .btn-outline {
            color: var(--color-highlight);
            background: rgba(10, 22, 64, 0.4);
            border: 1px solid rgba(155, 232, 255, 0.35);
            box-shadow: none;
        }
        .btn-outline:hover {
            color: #fff;
            background: rgba(33, 212, 253, 0.12);
            border-color: rgba(155, 232, 255, 0.6);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.25);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 7px 16px;
            font-size: 13px;
        }

        /* Section titles */
        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
            margin-bottom: 28px;
        }

        /* Featured matches */
        .featured-section {
            padding: 56px 0;
            background: rgba(5, 8, 22, 0.35);
            border-top: 1px solid rgba(106, 176, 255, 0.12);
            border-bottom: 1px solid rgba(106, 176, 255, 0.12);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 8px;
        }
        .featured-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-control);
            padding: 16px 18px;
            transition: all 0.3s ease;
        }
        .featured-item:hover {
            border-color: rgba(155, 232, 255, 0.55);
            box-shadow: 0 0 20px rgba(33, 212, 253, 0.15);
            transform: translateY(-2px);
        }
        .featured-item .fi-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.5), rgba(33, 212, 253, 0.35));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            border: 1px solid rgba(155, 232, 255, 0.3);
        }
        .featured-item .fi-info {
            flex: 1;
            min-width: 0;
        }
        .featured-item .fi-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .featured-item .fi-meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        .featured-item .fi-time {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-cyan);
            white-space: nowrap;
        }

        /* Stats panel */
        .stats-section {
            padding: 56px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        .stat-cell {
            text-align: center;
            padding: 24px 18px;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .stat-cell:hover {
            border-color: rgba(155, 232, 255, 0.5);
            transform: translateY(-3px);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 20px 44px rgba(0, 0, 0, 0.45), 0 0 20px rgba(33, 212, 253, 0.18);
        }
        .stat-cell .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-highlight);
            line-height: 1.2;
            margin-bottom: 4px;
            text-shadow: 0 0 18px rgba(155, 232, 255, 0.45);
        }
        .stat-cell .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* Team cloud */
        .team-cloud-section {
            padding: 52px 0;
            border-top: 1px solid rgba(106, 176, 255, 0.12);
            border-bottom: 1px solid rgba(106, 176, 255, 0.12);
        }
        .team-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 4px;
        }
        .team-tag {
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(10, 22, 64, 0.5);
            border: 1px solid rgba(106, 176, 255, 0.25);
            border-radius: var(--radius-pill);
            transition: all 0.25s ease;
            cursor: default;
        }
        .team-tag:hover {
            color: var(--color-highlight);
            border-color: rgba(155, 232, 255, 0.5);
            box-shadow: 0 0 12px rgba(33, 212, 253, 0.2);
            transform: translateY(-1px);
        }

        /* Watch tips */
        .tips-section {
            padding: 56px 0;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 18px;
        }
        .tip-card {
            padding: 20px;
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
        }
        .tip-card:hover {
            border-color: rgba(155, 232, 255, 0.45);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card), 0 0 18px rgba(33, 212, 253, 0.15);
        }
        .tip-card .tip-icon {
            font-size: 26px;
            margin-bottom: 10px;
        }
        .tip-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .tip-card p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        /* CTA section */
        .cta-section {
            padding: 56px 0 80px;
        }
        .cta-panel {
            background: rgba(10, 22, 64, 0.55);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 48px 40px;
            text-align: center;
            background-image: radial-gradient(ellipse at 30% 20%, rgba(23, 105, 255, 0.25) 0%, transparent 55%), radial-gradient(ellipse at 75% 70%, rgba(33, 212, 253, 0.15) 0%, transparent 50%);
        }
        .cta-panel h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .cta-panel p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Footer */
        .footer {
            background: #040610;
            border-top: 1px solid rgba(106, 176, 255, 0.2);
            padding: 56px 0 0;
            margin-top: 32px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 320px;
        }
        .footer h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }
        .footer-bottom {
            border-top: 1px solid rgba(106, 176, 255, 0.15);
            padding: 18px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--color-highlight);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links a {
                padding: 7px 12px;
                font-size: 13px;
            }
            .page-header h1 {
                font-size: 30px;
            }
            .match-list-section .container {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(5, 8, 22, 0.97);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(106, 176, 255, 0.25);
                padding: 16px 24px;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                flex-wrap: nowrap;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 14px;
            }
            .nav-toggle {
                display: flex;
            }
            .top-bar .container {
                justify-content: center;
                gap: 8px;
            }
            .top-bar-right {
                gap: 10px;
            }
            .page-header {
                padding: 42px 0 28px;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .page-header .lead {
                font-size: 14px;
            }
            .filter-bar {
                padding: 20px 0 4px;
            }
            .filter-bar .container {
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: 12px;
            }
            .match-list-section {
                padding: 18px 0 48px;
            }
            .match-list-section .container {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .match-card .card-title {
                font-size: 16px;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-cell .stat-num {
                font-size: 26px;
            }
            .tips-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .cta-panel {
                padding: 36px 24px;
            }
            .cta-panel h2 {
                font-size: 24px;
            }
            .footer {
                padding: 40px 0 0;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                padding: 14px 0;
            }
        }
        @media (max-width: 520px) {
            :root {
                --section-pad: 40px;
                --gap-card: 16px;
            }
            .container {
                padding: 0 16px;
            }
            .top-bar .container {
                flex-direction: column;
                gap: 4px;
                padding: 6px 16px;
            }
            .top-bar-right {
                gap: 8px;
                flex-wrap: wrap;
                justify-content: center;
            }
            .main-nav .container {
                gap: 8px;
                padding: 0 16px;
            }
            .logo {
                font-size: 19px;
            }
            .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .filter-bar .container {
                flex-direction: column;
                align-items: flex-start;
            }
            .filter-tag {
                font-size: 12px;
                padding: 5px 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .btn {
                padding: 9px 18px;
                font-size: 13px;
            }
            .match-card .card-body {
                padding: 16px;
            }
            .featured-item {
                padding: 14px;
                gap: 12px;
            }
            .featured-item .fi-icon {
                width: 38px;
                height: 38px;
                font-size: 18px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #050816;
            --bg-secondary: #0A1333;
            --bg-card: rgba(10, 22, 64, 0.55);
            --color-primary: #1769FF;
            --color-primary-bright: #0084FF;
            --color-cyan: #21D4FD;
            --color-magenta: #B44CFF;
            --color-highlight: #9BE8FF;
            --text-primary: #EAF2FF;
            --text-secondary: #92A4C8;
            --text-muted: #64748B;
            --border-card: rgba(106, 176, 255, 0.35);
            --shadow-card: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 24px rgba(33, 212, 253, 0.55);
            --radius-card: 18px;
            --radius-control: 12px;
            --radius-pill: 999px;
            --gap-card: 24px;
            --section-pad: 80px;
            --container-max: 1200px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(23, 105, 255, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(33, 212, 253, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(180, 76, 255, 0.05) 0%, transparent 55%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-cyan);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }

        a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 12px rgba(155, 232, 255, 0.5);
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
        }

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

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Top Bar */
        .top-bar {
            background: linear-gradient(90deg, #050816 0%, #0A1333 50%, #050816 100%);
            border-bottom: 1px solid rgba(106, 176, 255, 0.16);
            min-height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
        }

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

        .top-bar-domain {
            color: var(--color-cyan);
            font-weight: 500;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .top-bar-right a {
            color: var(--text-secondary);
            font-size: 12px;
            transition: color 0.25s ease;
            white-space: nowrap;
        }

        .top-bar-right a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }

        /* Main Navigation */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 8, 22, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(106, 176, 255, 0.22);
            min-height: 68px;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .main-nav.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }

        .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: #fff;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }

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

        .nav-links>li {
            position: relative;
        }

        .nav-links a {
            display: block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.15);
        }

        .nav-links a.active {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.12);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.2);
        }

        /* Mobile menu toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-control);
            background: rgba(106, 176, 255, 0.1);
            border: 1px solid var(--border-card);
        }

        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* Section common */
        .section {
            padding: var(--section-pad) 0;
        }

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

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(33, 212, 253, 0.1);
            border: 1px solid rgba(33, 212, 253, 0.3);
            color: var(--color-cyan);
            font-size: 12px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 680px;
        }

        /* Glass card */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .glass-card:hover {
            transform: translateY(-4px);
            border-color: rgba(155, 232, 255, 0.55);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 24px 48px rgba(0, 0, 0, 0.5), 0 0 24px rgba(33, 212, 253, 0.2);
        }

        /* Glow button */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: linear-gradient(135deg, #1B76FF, #22D3EE);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
            letter-spacing: 0.3px;
            border: none;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-glow:hover {
            color: #fff;
            box-shadow: 0 0 36px rgba(33, 212, 253, 0.75), 0 8px 24px rgba(27, 118, 255, 0.4);
            transform: translateY(-2px);
            text-shadow: none;
        }

        .btn-glow:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.4);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            background: transparent;
            color: var(--color-highlight);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(155, 232, 255, 0.4);
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline:hover {
            background: rgba(33, 212, 253, 0.08);
            border-color: rgba(155, 232, 255, 0.7);
            color: #fff;
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.5);
        }

        /* Category page hero */
        .category-hero {
            padding: 48px 0 24px;
            position: relative;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: 10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(23, 105, 255, 0.12) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
            z-index: 0;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .category-hero .category-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 760px;
        }

        /* Filter bar */
        .filter-bar {
            padding: 16px 0 24px;
        }

        .filter-bar .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 6px;
            white-space: nowrap;
        }

        .filter-chip {
            display: inline-flex;
            align-items: center;
            padding: 7px 18px;
            background: rgba(10, 22, 64, 0.55);
            border: 1px solid rgba(106, 176, 255, 0.25);
            border-radius: var(--radius-pill);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .filter-chip:hover {
            border-color: rgba(155, 232, 255, 0.5);
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.06);
        }

        .filter-chip.active {
            background: rgba(33, 212, 253, 0.14);
            border-color: rgba(33, 212, 253, 0.6);
            color: var(--color-highlight);
            box-shadow: 0 0 14px rgba(33, 212, 253, 0.2);
        }

        /* Event list cards */
        .event-list-section {
            padding: 32px 0 56px;
        }

        .event-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
        }

        .event-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-4px);
            border-color: rgba(155, 232, 255, 0.55);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 24px 48px rgba(0, 0, 0, 0.5), 0 0 24px rgba(33, 212, 253, 0.18);
        }

        .event-card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .event-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .event-card:hover .event-card-cover img {
            transform: scale(1.04);
        }

        .event-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(5, 8, 22, 0.7) 0%, transparent 45%);
            pointer-events: none;
        }

        .event-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 12px;
            background: rgba(5, 8, 22, 0.75);
            border: 1px solid rgba(33, 212, 253, 0.45);
            border-radius: var(--radius-pill);
            color: var(--color-highlight);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .event-live-dot {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            background: rgba(5, 8, 22, 0.75);
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 600;
            color: #ff6b6b;
        }

        .event-live-dot::before {
            content: '';
            width: 7px;
            height: 7px;
            background: #ff4444;
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }

        .event-card-body {
            padding: 18px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .event-time {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.4px;
            margin-bottom: 8px;
        }

        .event-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .event-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }

        .event-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .event-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--color-cyan);
            font-size: 13px;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .event-link:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.45);
        }

        /* Hot teams ranking */
        .ranking-section {
            padding: 56px 0;
        }

        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-card);
        }

        .ranking-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
        }

        .ranking-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-control);
            border: 1px solid rgba(106, 176, 255, 0.12);
            transition: all 0.25s ease;
        }

        .ranking-item:hover {
            background: rgba(33, 212, 253, 0.06);
            border-color: rgba(155, 232, 255, 0.35);
        }

        .ranking-number {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .ranking-number.top1 {
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #1a1a1a;
        }

        .ranking-number.top2 {
            background: linear-gradient(135deg, #C0C0C0, #A8A8A8);
            color: #1a1a1a;
        }

        .ranking-number.top3 {
            background: linear-gradient(135deg, #CD7F32, #B87333);
            color: #fff;
        }

        .ranking-number.other {
            background: rgba(106, 176, 255, 0.15);
            color: var(--text-secondary);
        }

        .ranking-team-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            flex: 1;
        }

        .ranking-team-stat {
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* Stats panel */
        .stats-panel-section {
            padding: 56px 0;
        }

        .stats-panel {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-block {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 26px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-block:hover {
            transform: translateY(-3px);
            border-color: rgba(155, 232, 255, 0.5);
        }

        .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-highlight);
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Watch tips */
        .tips-section {
            padding: 56px 0;
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
        }

        .tip-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            transition: all 0.3s ease;
        }

        .tip-card:hover {
            transform: translateY(-3px);
            border-color: rgba(155, 232, 255, 0.5);
        }

        .tip-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.3), rgba(33, 212, 253, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
            color: var(--color-highlight);
        }

        .tip-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .tip-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* CTA section */
        .cta-section {
            padding: 64px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.15) 0%, rgba(33, 212, 253, 0.08) 50%, rgba(180, 76, 255, 0.1) 100%);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(106, 176, 255, 0.4);
            border-radius: 24px;
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            padding: 48px 36px;
            text-align: center;
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 580px;
            margin-left: auto;
            margin-right: auto;
        }

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

        /* FAQ */
        .faq-section {
            padding: 56px 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-control);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            transition: color 0.25s ease;
        }

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

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(33, 212, 253, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
            font-size: 14px;
            color: var(--color-cyan);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(33, 212, 253, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Footer */
        .footer {
            background: rgba(5, 8, 22, 0.95);
            border-top: 1px solid rgba(106, 176, 255, 0.22);
            padding: 48px 0 24px;
            margin-top: 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(106, 176, 255, 0.15);
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            font-size: 13px;
            transition: color 0.25s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-highlight);
        }

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

            .stats-panel {
                grid-template-columns: repeat(2, 1fr);
            }

            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 768px) {
            :root {
                --section-pad: 40px;
                --gap-card: 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(5, 8, 22, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-bottom: 1px solid rgba(106, 176, 255, 0.22);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
            }

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

            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
                text-align: center;
            }

            .top-bar-right a:nth-child(2),
            .top-bar-right a:nth-child(3) {
                display: none;
            }

            .category-hero h1 {
                font-size: 28px;
            }

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

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

            .cta-box {
                padding: 32px 22px;
            }

            .cta-box h2 {
                font-size: 22px;
            }

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

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

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

            .section-title {
                font-size: 24px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .stats-panel {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-number {
                font-size: 24px;
            }

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

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

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

            .top-bar-domain {
                font-size: 11px;
            }

            .filter-bar .container {
                gap: 7px;
            }

            .filter-chip {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #050816;
            --bg-secondary: #0A1333;
            --bg-card: rgba(10, 22, 64, 0.55);
            --color-primary: #1769FF;
            --color-primary-bright: #0084FF;
            --color-cyan: #21D4FD;
            --color-magenta: #B44CFF;
            --color-highlight: #9BE8FF;
            --text-primary: #EAF2FF;
            --text-secondary: #92A4C8;
            --text-muted: #64748B;
            --border-card: rgba(106, 176, 255, 0.35);
            --shadow-card: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 24px rgba(33, 212, 253, 0.55);
            --radius-card: 18px;
            --radius-control: 12px;
            --radius-pill: 999px;
            --gap-card: 24px;
            --section-pad: 80px;
            --container-max: 1200px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(23, 105, 255, 0.12) 0%, transparent 55%), radial-gradient(ellipse at 80% 20%, rgba(33, 212, 253, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 50% 80%, rgba(180, 76, 255, 0.05) 0%, transparent 55%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-cyan);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }

        a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 12px rgba(155, 232, 255, 0.5);
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
        }

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

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Top Bar */
        .top-bar {
            background: linear-gradient(90deg, #050816 0%, #0A1333 55%, #0E1A44 100%);
            border-bottom: 1px solid rgba(106, 176, 255, 0.15);
            min-height: 36px;
            display: flex;
            align-items: center;
            position: relative;
            z-index: 1001;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 4px;
            padding-bottom: 4px;
        }

        .top-bar-domain {
            color: var(--color-cyan);
            font-weight: 500;
            letter-spacing: 0.3px;
            font-size: 12px;
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar-right a {
            color: var(--text-secondary);
            font-size: 12px;
            transition: color 0.25s ease;
        }

        .top-bar-right a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }

        /* Main Navigation */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 8, 22, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(106, 176, 255, 0.22);
            min-height: 68px;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .main-nav.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }

        .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: #fff;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }

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

        .nav-links>li {
            position: relative;
        }

        .nav-links a {
            display: block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.15);
        }

        .nav-links a.active {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.12);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.2);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-control);
            border: 1px solid var(--border-card);
            background: var(--bg-card);
            cursor: pointer;
            flex-shrink: 0;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            position: relative;
            transition: background 0.3s ease;
        }

        .nav-toggle span::before,
        .nav-toggle span::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            position: absolute;
            left: 0;
            transition: transform 0.3s ease;
        }

        .nav-toggle span::before {
            top: -6px;
        }

        .nav-toggle span::after {
            top: 6px;
        }

        .nav-toggle.open span {
            background: transparent;
        }

        .nav-toggle.open span::before {
            transform: rotate(45deg);
            top: 0;
        }

        .nav-toggle.open span::after {
            transform: rotate(-45deg);
            top: 0;
        }

        /* Category Page Header */
        .category-header {
            padding: 48px 0 32px;
            background-image: radial-gradient(ellipse at 30% 20%, rgba(23, 105, 255, 0.15) 0%, transparent 60%), radial-gradient(ellipse at 70% 60%, rgba(33, 212, 253, 0.08) 0%, transparent 50%);
            border-bottom: 1px solid rgba(106, 176, 255, 0.2);
        }

        .category-header .container {
            max-width: var(--container-max);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

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

        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-cyan);
            font-weight: 500;
        }

        .category-heading {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .category-heading-left h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .category-heading-left p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            max-width: 720px;
        }

        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(33, 212, 253, 0.1);
            border: 1px solid rgba(33, 212, 253, 0.3);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            color: var(--color-cyan);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .live-indicator .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ef4444;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
            }
        }

        /* Filter Bar */
        .filter-bar {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 24px;
            box-shadow: var(--shadow-card);
        }

        .filter-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-tag {
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(106, 176, 255, 0.25);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 500;
            transition: all 0.3s ease;
            white-space: nowrap;
            cursor: pointer;
        }

        .filter-tag:hover {
            border-color: var(--color-cyan);
            color: var(--color-highlight);
            box-shadow: 0 0 14px rgba(33, 212, 253, 0.25);
        }

        .filter-tag.active-tag {
            border-color: var(--color-cyan);
            background: rgba(33, 212, 253, 0.12);
            color: var(--color-highlight);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.3);
        }

        .filter-sort {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-sort select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(106, 176, 255, 0.3);
            border-radius: var(--radius-control);
            color: var(--text-primary);
            padding: 8px 16px;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.3s ease;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239BE8FF' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 36px;
        }

        .filter-sort select:focus {
            outline: 2px solid var(--color-highlight);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* Live Match Cards */
        .matches-section {
            padding: 48px 0 56px;
        }

        .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            letter-spacing: 0.3px;
        }

        .section-header .section-sub {
            font-size: 14px;
            color: var(--text-muted);
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--gap-card);
        }

        .match-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
            display: flex;
            flex-direction: column;
        }

        .match-card:hover {
            transform: translateY(-4px);
            border-color: rgba(155, 232, 255, 0.55);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 24px 48px rgba(0, 0, 0, 0.55), 0 0 30px rgba(33, 212, 253, 0.2);
        }

        .match-card-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .match-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .match-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(5, 8, 22, 0.1) 0%, rgba(5, 8, 22, 0.75) 100%);
            pointer-events: none;
        }

        .match-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.85), rgba(33, 212, 253, 0.7));
            color: #fff;
            box-shadow: 0 0 14px rgba(33, 212, 253, 0.4);
        }

        .match-badge.football {
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.85), rgba(33, 212, 253, 0.7));
        }

        .match-badge.basketball {
            background: linear-gradient(135deg, rgba(180, 76, 255, 0.8), rgba(23, 105, 255, 0.75));
        }

        .match-badge.comprehensive {
            background: linear-gradient(135deg, rgba(33, 212, 253, 0.75), rgba(155, 232, 255, 0.6));
        }

        .match-time-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            z-index: 2;
            padding: 5px 12px;
            border-radius: var(--radius-control);
            font-size: 12px;
            font-weight: 500;
            background: rgba(5, 8, 22, 0.75);
            border: 1px solid rgba(155, 232, 255, 0.3);
            color: var(--color-highlight);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .match-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .match-card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.2px;
        }

        .match-card-summary {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            flex: 1;
            margin-bottom: 16px;
        }

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

        .match-card-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, #1B76FF, #22D3EE);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            box-shadow: 0 0 36px rgba(33, 212, 253, 0.75);
            transform: translateY(-2px);
            color: #fff;
            text-shadow: none;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.4);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(155, 232, 255, 0.4);
            color: var(--color-highlight);
        }

        .btn-outline:hover {
            border-color: var(--color-cyan);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.25);
            color: var(--color-highlight);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        /* Hot Ranking */
        .ranking-section {
            padding: 40px 0 56px;
        }

        .ranking-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: var(--gap-card);
            align-items: start;
        }

        .ranking-panel {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
        }

        .ranking-panel h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-control);
            border: 1px solid rgba(106, 176, 255, 0.15);
            transition: all 0.3s ease;
        }

        .ranking-item:hover {
            border-color: rgba(155, 232, 255, 0.4);
            background: rgba(33, 212, 253, 0.06);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.15);
        }

        .ranking-number {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            flex-shrink: 0;
        }

        .ranking-number.top-1 {
            background: linear-gradient(135deg, #f59e0b, #f97316);
            box-shadow: 0 0 16px rgba(245, 158, 11, 0.4);
        }

        .ranking-number.top-2 {
            background: linear-gradient(135deg, #94a3b8, #64748b);
            box-shadow: 0 0 12px rgba(148, 163, 184, 0.3);
        }

        .ranking-number.top-3 {
            background: linear-gradient(135deg, #d97706, #b45309);
            box-shadow: 0 0 12px rgba(217, 119, 6, 0.3);
        }

        .ranking-number.normal {
            background: rgba(23, 105, 255, 0.6);
        }

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

        .ranking-info .match-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-info .match-meta {
            font-size: 12px;
            color: var(--text-muted);
        }

        .ranking-views {
            font-size: 13px;
            color: var(--color-cyan);
            font-weight: 500;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .live-now-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            color: #ef4444;
            font-weight: 600;
        }

        .live-now-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #ef4444;
            animation: pulse-dot 1.2s ease-in-out infinite;
        }

        /* Special Topics */
        .topics-section {
            padding: 40px 0 56px;
        }

        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: var(--gap-card);
        }

        .topic-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            border-color: rgba(155, 232, 255, 0.55);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 24px 48px rgba(0, 0, 0, 0.55), 0 0 30px rgba(33, 212, 253, 0.2);
        }

        .topic-card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .topic-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .topic-card-body {
            padding: 16px 20px 20px;
        }

        .topic-card-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .topic-card-body p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Stats Section */
        .stats-section {
            padding: 40px 0 56px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--gap-card);
        }

        .stat-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-3px);
            border-color: rgba(155, 232, 255, 0.45);
        }

        .stat-number {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--color-highlight), var(--color-cyan));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Watch Tips */
        .watch-tips-section {
            padding: 40px 0 56px;
        }

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

        .tip-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, border-color 0.3s ease;
            text-align: center;
        }

        .tip-card:hover {
            transform: translateY(-3px);
            border-color: rgba(155, 232, 255, 0.45);
        }

        .tip-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.3), rgba(33, 212, 253, 0.25));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 22px;
            color: var(--color-highlight);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.2);
        }

        .tip-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .tip-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            padding: 40px 0 72px;
        }

        .cta-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(106, 176, 255, 0.4);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            box-shadow: var(--shadow-card), 0 0 60px rgba(33, 212, 253, 0.15);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .cta-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 560px;
        }

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

        .cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .cta-form input {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(106, 176, 255, 0.35);
            border-radius: var(--radius-pill);
            color: var(--text-primary);
            padding: 10px 20px;
            font-size: 14px;
            min-width: 240px;
            transition: all 0.3s ease;
        }

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

        .cta-form input:focus {
            outline: 2px solid var(--color-highlight);
            outline-offset: 2px;
            border-radius: var(--radius-pill);
            border-color: var(--color-cyan);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.3);
        }

        /* Footer */
        .footer {
            background: rgba(5, 8, 22, 0.92);
            border-top: 1px solid rgba(106, 176, 255, 0.2);
            padding: 48px 0 20px;
            margin-top: 20px;
        }

        .footer .container {
            max-width: var(--container-max);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 320px;
        }

        .footer h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.25s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(106, 176, 255, 0.15);
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-highlight);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .ranking-layout {
                grid-template-columns: 1fr;
            }

            .category-heading-left h1 {
                font-size: 30px;
            }

            .nav-links {
                gap: 2px;
            }

            .nav-links a {
                padding: 8px 12px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
                --gap-card: 16px;
            }

            .top-bar .container {
                justify-content: center;
                text-align: center;
            }

            .top-bar-right {
                display: none;
            }

            .main-nav {
                min-height: 60px;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(5, 8, 22, 0.97);
                border-bottom: 1px solid rgba(106, 176, 255, 0.3);
                padding: 16px 24px 20px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
                z-index: 999;
            }

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

            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
                text-align: center;
            }

            .logo {
                font-size: 19px;
            }

            .logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .category-header {
                padding: 32px 0 24px;
            }

            .category-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .category-heading-left h1 {
                font-size: 26px;
            }

            .filter-bar {
                padding: 14px 16px;
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .filter-sort {
                width: 100%;
            }

            .filter-sort select {
                flex: 1;
                width: 100%;
            }

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

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

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

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

            .cta-card {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
                padding: 28px 20px;
            }

            .cta-form {
                width: 100%;
            }

            .cta-form input {
                flex: 1;
                min-width: 0;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .ranking-panel {
                padding: 18px;
            }
        }

        @media (max-width: 576px) {
            :root {
                --section-pad: 40px;
                --gap-card: 14px;
            }

            .container {
                padding: 0 16px;
            }

            .category-heading-left h1 {
                font-size: 22px;
            }

            .category-heading-left p {
                font-size: 14px;
            }

            .match-card-title {
                font-size: 15px;
            }

            .match-card-summary {
                font-size: 13px;
            }

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

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

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

            .stat-number {
                font-size: 28px;
            }

            .btn {
                padding: 9px 18px;
                font-size: 13px;
            }

            .btn-sm {
                padding: 7px 14px;
                font-size: 12px;
            }

            .section-header h2 {
                font-size: 21px;
            }

            .cta-content h2 {
                font-size: 21px;
            }

            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }

            .cta-form input {
                width: 100%;
                min-width: 0;
            }

            .cta-form .btn {
                width: 100%;
            }

            .footer {
                padding: 32px 0 16px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #050816;
            --bg-secondary: #0A1333;
            --bg-card: rgba(10, 22, 64, 0.55);
            --color-primary: #1769FF;
            --color-primary-bright: #0084FF;
            --color-cyan: #21D4FD;
            --color-magenta: #B44CFF;
            --color-highlight: #9BE8FF;
            --text-primary: #EAF2FF;
            --text-secondary: #92A4C8;
            --text-muted: #64748B;
            --border-card: rgba(106, 176, 255, 0.35);
            --shadow-card: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 24px rgba(33, 212, 253, 0.55);
            --radius-card: 18px;
            --radius-control: 12px;
            --radius-pill: 999px;
            --gap-card: 24px;
            --section-pad: 80px;
            --container-max: 1200px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: radial-gradient(ellipse at 20% 10%, rgba(23, 105, 255, 0.12) 0%, transparent 55%), radial-gradient(ellipse at 80% 20%, rgba(33, 212, 253, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 50% 80%, rgba(180, 76, 255, 0.05) 0%, transparent 55%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--color-cyan);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }
        a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 12px rgba(155, 232, 255, 0.5);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-highlight);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Top bar */
        .top-bar {
            background: linear-gradient(135deg, #02040d 0%, #0a1333 60%, #0b1d3a 100%);
            border-bottom: 1px solid rgba(106, 176, 255, 0.18);
            min-height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            position: relative;
            z-index: 1001;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 4px;
            padding-bottom: 4px;
        }
        .top-bar-domain {
            color: var(--color-cyan);
            font-weight: 500;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .top-bar-right a {
            color: var(--text-secondary);
            font-size: 12px;
            transition: color 0.25s ease;
            white-space: nowrap;
        }
        .top-bar-right a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }
        .top-bar-right .top-cta {
            color: var(--color-highlight);
            font-weight: 600;
        }
        /* Main navigation */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 8, 22, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(106, 176, 255, 0.22);
            min-height: 68px;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .main-nav.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: #fff;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }
        .nav-links>li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.15);
        }
        .nav-links a.active {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.12);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.2);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--color-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px var(--color-cyan);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-control);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(106, 176, 255, 0.25);
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: 0.3s ease;
        }
        /* Main */
        main {
            min-height: 60vh;
        }
        section {
            padding: var(--section-pad) 0;
        }
        /* Page header / intro */
        .page-intro {
            padding: 48px 0 28px;
            position: relative;
        }
        .page-intro .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .page-intro .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.25s ease;
        }
        .page-intro .breadcrumb a:hover {
            color: var(--color-highlight);
            text-shadow: none;
        }
        .page-intro .breadcrumb .sep {
            color: var(--text-muted);
            pointer-events: none;
        }
        .page-intro h1 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .page-intro .intro-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .intro-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }
        .intro-meta .live-dot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #ff5d5d;
            font-weight: 600;
        }
        .live-dot .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff5d5d;
            box-shadow: 0 0 8px rgba(255, 93, 93, 0.8);
            animation: pulse 1.6s ease-in-out infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }
        /* Filter bar */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .filter-bar .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 600;
            margin-right: 4px;
        }
        .filter-btn {
            padding: 7px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(106, 176, 255, 0.2);
            transition: all 0.25s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-btn:hover {
            color: var(--color-highlight);
            border-color: rgba(33, 212, 253, 0.5);
            background: rgba(33, 212, 253, 0.06);
            box-shadow: 0 0 14px rgba(33, 212, 253, 0.15);
        }
        .filter-btn.active {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.12);
            border-color: rgba(33, 212, 253, 0.55);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.2);
            font-weight: 600;
        }
        /* News list grid */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gap-card);
        }
        .news-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: rgba(33, 212, 253, 0.55);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 22px 50px rgba(0, 0, 0, 0.5), 0 0 20px rgba(33, 212, 253, 0.15);
        }
        .news-card .card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .card-img img {
            transform: scale(1.05);
        }
        .news-card .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 11px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            box-shadow: 0 0 12px rgba(33, 212, 253, 0.45);
            z-index: 2;
        }
        .news-card .card-img .badge.hot {
            background: linear-gradient(135deg, #ff5d5d, var(--color-magenta));
            box-shadow: 0 0 12px rgba(255, 93, 93, 0.5);
        }
        .news-card .card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .card-body .card-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .news-card .card-body .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .news-card .card-body .card-link {
            align-self: flex-start;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.25s ease, gap 0.25s ease;
        }
        .news-card .card-body .card-link:hover {
            color: var(--color-highlight);
            gap: 10px;
            text-shadow: 0 0 10px rgba(155, 232, 255, 0.4);
        }
        .news-card .card-body .card-link .arrow {
            font-size: 14px;
            transition: transform 0.25s ease;
        }
        .news-card .card-body .card-link:hover .arrow {
            transform: translateX(3px);
        }
        /* Sidebar / supporting sections */
        .support-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-card);
            margin-top: 36px;
        }
        .support-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .support-card:hover {
            transform: translateY(-3px);
            border-color: rgba(33, 212, 253, 0.5);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 20px 45px rgba(0, 0, 0, 0.45);
        }
        .support-card h2 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .support-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud .tag {
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(106, 176, 255, 0.25);
            transition: all 0.25s ease;
            cursor: pointer;
        }
        .tag-cloud .tag:hover {
            color: var(--color-highlight);
            border-color: rgba(33, 212, 253, 0.5);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 12px rgba(33, 212, 253, 0.15);
        }
        .trending-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .trending-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius-control);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(106, 176, 255, 0.15);
            transition: all 0.25s ease;
        }
        .trending-list li:hover {
            background: rgba(33, 212, 253, 0.06);
            border-color: rgba(33, 212, 253, 0.4);
            transform: translateX(4px);
        }
        .trending-list .rank {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .trending-list .rank.r1 {
            background: linear-gradient(135deg, #ffd700, #ffb800);
            color: #1a1a2e;
            box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }
        .trending-list .rank.r2 {
            background: linear-gradient(135deg, #e8e8e8, #c0c0c0);
            color: #1a1a2e;
            box-shadow: 0 0 8px rgba(200, 200, 200, 0.4);
        }
        .trending-list .rank.r3 {
            background: linear-gradient(135deg, #ff9d5c, #ff6b35);
            color: #1a1a2e;
            box-shadow: 0 0 8px rgba(255, 107, 53, 0.4);
        }
        .trending-list .rank.rn {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
        }
        .trending-list .trend-info {
            flex: 1;
            min-width: 0;
        }
        .trending-list .trend-info .t-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .trending-list .trend-info .t-meta {
            font-size: 11px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        /* CTA section */
        .cta-section {
            margin-top: 36px;
        }
        .cta-card {
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.2) 0%, rgba(33, 212, 253, 0.15) 50%, rgba(180, 76, 255, 0.15) 100%);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(106, 176, 255, 0.4);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card), 0 0 40px rgba(33, 212, 253, 0.12);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-card .cta-text h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .cta-card .cta-text p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 520px;
        }
        .glow-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
            border: none;
        }
        .glow-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(33, 212, 253, 0.7), 0 8px 24px rgba(0, 0, 0, 0.35);
            color: #fff;
            text-shadow: none;
            filter: brightness(1.08);
        }
        .glow-btn:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.45);
            filter: brightness(0.95);
        }
        .glow-btn:focus-visible {
            outline: 2px solid var(--color-highlight);
            outline-offset: 3px;
        }
        .ghost-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(106, 176, 255, 0.3);
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
        }
        .ghost-btn:hover {
            color: var(--color-highlight);
            border-color: rgba(33, 212, 253, 0.55);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.2);
            transform: translateY(-1px);
        }
        /* Footer */
        .footer {
            background: linear-gradient(180deg, rgba(5, 8, 22, 0.6) 0%, #02040d 100%);
            border-top: 1px solid rgba(106, 176, 255, 0.22);
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-top: 12px;
            max-width: 280px;
        }
        .footer h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color 0.25s ease, padding-left 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(106, 176, 255, 0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
            font-size: 12px;
            transition: color 0.25s ease;
        }
        .footer-bottom a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .support-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-links a {
                padding: 8px 12px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-pad: 56px;
            }
            .main-nav .container {
                flex-wrap: wrap;
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-top: 10px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                font-size: 14px;
                text-align: center;
            }
            .nav-toggle {
                display: flex;
            }
            .page-intro h1 {
                font-size: 28px;
            }
            .cta-card {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .glow-btn {
                width: 100%;
                justify-content: center;
            }
            .ghost-btn {
                width: 100%;
                justify-content: center;
            }
            .top-bar .container {
                flex-direction: column;
                gap: 4px;
                align-items: flex-start;
                padding-top: 6px;
                padding-bottom: 6px;
            }
            .top-bar-right {
                gap: 12px;
            }
        }
        @media (max-width: 576px) {
            :root {
                --section-pad: 40px;
                --gap-card: 16px;
            }
            .container {
                padding: 0 16px;
            }
            .page-intro h1 {
                font-size: 24px;
            }
            .news-card .card-body {
                padding: 14px 16px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-btn {
                padding: 6px 14px;
                font-size: 12px;
            }
        }

/* roulang page: category5 */
:root {
  --bg-primary: #050816;
  --bg-secondary: #0A1333;
  --bg-card: rgba(10, 22, 64, 0.55);
  --color-primary: #1769FF;
  --color-primary-bright: #0084FF;
  --color-cyan: #21D4FD;
  --color-magenta: #B44CFF;
  --color-highlight: #9BE8FF;
  --text-primary: #EAF2FF;
  --text-secondary: #92A4C8;
  --text-muted: #64748B;
  --border-card: rgba(106, 176, 255, 0.35);
  --shadow-card: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 24px rgba(33, 212, 253, 0.55);
  --radius-card: 18px;
  --radius-control: 12px;
  --radius-pill: 999px;
  --gap-card: 24px;
  --section-pad: 80px;
  --container-max: 1200px;
  --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: radial-gradient(ellipse at 20% 10%, rgba(23, 105, 255, 0.12) 0%, transparent 55%), radial-gradient(ellipse at 80% 20%, rgba(33, 212, 253, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 50% 80%, rgba(180, 76, 255, 0.05) 0%, transparent 55%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
}

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color 0.25s ease, text-shadow 0.25s ease;
}

a:hover {
  color: var(--color-highlight);
  text-shadow: 0 0 12px rgba(155, 232, 255, 0.5);
}

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

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

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  color: inherit;
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Top Bar */
.top-bar {
  background: linear-gradient(180deg, rgba(5, 8, 22, 0.95), rgba(10, 19, 51, 0.95));
  border-bottom: 1px solid rgba(106, 176, 255, 0.18);
  padding: 6px 0;
  font-size: 12px;
}

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

.top-bar-domain {
  color: var(--color-cyan);
  font-weight: 500;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 18px;
  white-space: nowrap;
}

.top-bar-right a {
  color: var(--text-secondary);
  font-size: 12px;
  transition: color 0.25s ease;
}

.top-bar-right a:hover {
  color: var(--color-highlight);
  text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
}

.top-bar-right .top-bar-divider {
  color: var(--text-muted);
  font-size: 12px;
}

/* Main Navigation */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(5, 8, 22, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(106, 176, 255, 0.22);
  min-height: 68px;
  display: flex;
  align-items: center;
  transition: box-shadow 0.3s ease;
}

.main-nav.scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.main-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.5px;
  text-decoration: none;
  white-space: nowrap;
}

.logo .logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-control);
  background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 900;
  color: #fff;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}

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

.nav-links>li {
  position: relative;
}

.nav-links a {
  display: block;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
  position: relative;
}

.nav-links a:hover {
  color: var(--color-highlight);
  background: rgba(33, 212, 253, 0.08);
  box-shadow: 0 0 16px rgba(33, 212, 253, 0.15);
}

.nav-links a.active {
  color: var(--color-highlight);
  background: rgba(33, 212, 253, 0.12);
  box-shadow: 0 0 18px rgba(33, 212, 253, 0.2);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-control);
  border: 1px solid var(--border-card);
  background: rgba(10, 22, 64, 0.5);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Main */
main {
  min-height: 70vh;
}

/* Page header small hero */
.page-head {
  padding: 72px 0 40px;
  background: linear-gradient(180deg, rgba(10, 19, 51, 0.6), rgba(5, 8, 22, 0.2));
  border-bottom: 1px solid rgba(106, 176, 255, 0.15);
}

.page-head-content {
  max-width: 800px;
}

.page-head h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 12px;
  color: var(--text-primary);
}

.page-head p {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0 0 24px;
  line-height: 1.8;
}

/* Filter tags */
.filter-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.filter-tag {
  display: inline-block;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(10, 22, 64, 0.5);
  border: 1px solid var(--border-card);
  transition: all 0.25s ease;
  cursor: pointer;
  white-space: nowrap;
}

.filter-tag:hover {
  color: var(--color-highlight);
  border-color: var(--color-cyan);
  background: rgba(33, 212, 253, 0.08);
  box-shadow: 0 0 12px rgba(33, 212, 253, 0.2);
}

.filter-tag.active {
  color: var(--color-highlight);
  background: rgba(33, 212, 253, 0.12);
  border-color: var(--color-cyan);
  box-shadow: 0 0 16px rgba(33, 212, 253, 0.25);
}

/* Section base */
.section {
  padding: var(--section-pad) 0;
}

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

.section-head h2 {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--text-primary);
}

.section-head p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
  max-width: 720px;
}

/* Topic cards grid */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap-card);
}

.topic-card {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(33, 212, 253, 0.6);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 24px 48px rgba(0, 0, 0, 0.5), 0 0 20px rgba(33, 212, 253, 0.15);
}

.topic-card-img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.topic-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.topic-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
  box-shadow: 0 0 12px rgba(33, 212, 253, 0.4);
  z-index: 2;
}

.topic-card-body {
  padding: 18px 18px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.topic-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
  color: var(--text-primary);
}

.topic-card-date {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.topic-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
  flex: 1;
}

.topic-card-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-cyan);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.25s ease, text-shadow 0.25s ease;
}

.topic-card-link:hover {
  color: var(--color-highlight);
  text-shadow: 0 0 10px rgba(155, 232, 255, 0.5);
}

/* Hot ranking */
.hot-ranking {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.rank-item {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 20px 16px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.rank-item:hover {
  transform: translateY(-4px);
  border-color: rgba(33, 212, 253, 0.55);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 20px 44px rgba(0, 0, 0, 0.5), 0 0 18px rgba(33, 212, 253, 0.15);
}

.rank-number {
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.rank-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--text-primary);
}

.rank-item .rank-views {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

/* Data panel */
.data-panel {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 36px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

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

.data-item .data-number {
  font-size: 38px;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-highlight);
  text-shadow: 0 0 20px rgba(155, 232, 255, 0.4);
}

.data-item .data-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 6px;
}

/* Timeline */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-cyan), var(--color-magenta));
  opacity: 0.6;
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 24px;
  padding-left: 20px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -24px;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 12px rgba(33, 212, 253, 0.6);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text-primary);
}

.timeline-item .timeline-date {
  font-size: 13px;
  color: var(--color-cyan);
  font-weight: 500;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.7;
}

/* News strip */
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.news-item {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 22px 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.news-item:hover {
  transform: translateY(-3px);
  border-color: rgba(33, 212, 253, 0.5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.45), 0 0 16px rgba(33, 212, 253, 0.12);
}

.news-item .news-date {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  margin-bottom: 6px;
}

.news-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text-primary);
  line-height: 1.45;
}

.news-item p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 12px;
  line-height: 1.7;
}

.news-item .btn-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-cyan);
  transition: color 0.25s ease, text-shadow 0.25s ease;
}

.news-item .btn-text:hover {
  color: var(--color-highlight);
  text-shadow: 0 0 10px rgba(155, 232, 255, 0.5);
}

/* CTA Section */
.cta-section {
  padding: var(--section-pad) 0;
}

.cta-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card), 0 0 40px rgba(33, 212, 253, 0.1);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.cta-panel::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(33, 212, 253, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-panel h2 {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--text-primary);
  position: relative;
  z-index: 1;
}

.cta-panel p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0 0 22px;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  position: relative;
  z-index: 1;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #1B76FF, #22D3EE);
  box-shadow: var(--shadow-glow);
  transition: all 0.3s ease;
  text-decoration: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary:hover {
  box-shadow: 0 0 32px rgba(33, 212, 253, 0.75), 0 0 60px rgba(33, 212, 253, 0.25);
  transform: translateY(-2px);
  color: #fff;
  text-shadow: none;
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 0 14px rgba(33, 212, 253, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-cyan);
  background: rgba(33, 212, 253, 0.06);
  border: 1px solid rgba(33, 212, 253, 0.4);
  transition: all 0.3s ease;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-secondary:hover {
  background: rgba(33, 212, 253, 0.12);
  border-color: var(--color-highlight);
  color: var(--color-highlight);
  box-shadow: 0 0 20px rgba(33, 212, 253, 0.25);
  text-shadow: 0 0 8px rgba(155, 232, 255, 0.3);
}

.btn-secondary:active {
  transform: translateY(1px);
}

/* Form */
.cta-form {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cta-form input {
  padding: 13px 18px;
  border-radius: var(--radius-control);
  border: 1px solid var(--border-card);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  width: 100%;
}

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

.cta-form input:focus {
  outline: none;
  border-color: var(--color-highlight);
  box-shadow: 0 0 16px rgba(155, 232, 255, 0.3);
}

.cta-form .btn-primary {
  width: 100%;
}

/* Footer */
.footer {
  background: rgba(5, 8, 22, 0.95);
  border-top: 1px solid rgba(106, 176, 255, 0.22);
  padding: 56px 0 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 36px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
  max-width: 300px;
}

.footer h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 14px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.25s ease;
}

.footer-links a:hover {
  color: var(--color-highlight);
  text-shadow: 0 0 8px rgba(155, 232, 255, 0.35);
}

.footer-bottom {
  border-top: 1px solid rgba(106, 176, 255, 0.15);
  padding: 18px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-secondary);
  font-size: 12px;
  transition: color 0.25s ease;
}

.footer-bottom a:hover {
  color: var(--color-highlight);
  text-shadow: 0 0 8px rgba(155, 232, 255, 0.35);
}

.footer-bottom span {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

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

  .hot-ranking {
    grid-template-columns: repeat(3, 1fr);
  }

  .data-panel {
    grid-template-columns: repeat(2, 1fr);
    padding: 28px 24px;
  }

  .cta-panel {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 36px 28px;
  }

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

@media (max-width: 768px) {
  :root {
    --section-pad: 56px;
  }

  .top-bar-right {
    gap: 10px;
  }

  .top-bar-right .top-bar-divider,
  .top-bar-right .top-bar-hide-mobile {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(5, 8, 22, 0.97);
    border-bottom: 1px solid rgba(106, 176, 255, 0.25);
    padding: 12px 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  }

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

  .nav-links a {
    padding: 10px 16px;
    width: 100%;
    text-align: center;
  }

  .page-head h1 {
    font-size: 28px;
  }

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

  .hot-ranking {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

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

  .data-panel {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 24px 18px;
  }

  .data-item .data-number {
    font-size: 28px;
  }

  .section-head h2 {
    font-size: 22px;
  }

  .cta-panel {
    padding: 28px 20px;
  }

  .cta-panel h2 {
    font-size: 22px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    padding: 13px 20px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

@media (max-width: 576px) {
  :root {
    --section-pad: 40px;
    --gap-card: 16px;
  }

  .container {
    padding: 0 16px;
  }

  .top-bar .container {
    gap: 8px;
  }

  .top-bar-domain {
    font-size: 11px;
  }

  .top-bar-right a {
    font-size: 11px;
  }

  .logo {
    font-size: 18px;
  }

  .logo .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .page-head {
    padding: 48px 0 28px;
  }

  .page-head h1 {
    font-size: 24px;
  }

  .page-head p {
    font-size: 14px;
  }

  .filter-tag {
    padding: 6px 14px;
    font-size: 12px;
  }

  .hot-ranking {
    grid-template-columns: 1fr;
  }

  .data-panel {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .topic-card-body h3 {
    font-size: 16px;
  }

  .news-item {
    padding: 18px;
  }

  .timeline {
    padding-left: 22px;
  }

  .timeline-item {
    padding-left: 14px;
  }

  .timeline-item::before {
    left: -18px;
    width: 8px;
    height: 8px;
  }

  .footer {
    padding-top: 36px;
  }
}

/* roulang page: category6 */
:root {
            --bg-primary: #050816;
            --bg-secondary: #0A1333;
            --bg-card: rgba(10, 22, 64, 0.55);
            --color-primary: #1769FF;
            --color-primary-bright: #0084FF;
            --color-cyan: #21D4FD;
            --color-magenta: #B44CFF;
            --color-highlight: #9BE8FF;
            --text-primary: #EAF2FF;
            --text-secondary: #92A4C8;
            --text-muted: #64748B;
            --border-card: rgba(106, 176, 255, 0.35);
            --shadow-card: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 18px 40px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 24px rgba(33, 212, 253, 0.55);
            --radius-card: 18px;
            --radius-control: 12px;
            --radius-pill: 999px;
            --gap-card: 24px;
            --section-pad: 80px;
            --container-max: 1200px;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(23, 105, 255, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 20%, rgba(33, 212, 253, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(180, 76, 255, 0.05) 0%, transparent 55%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-cyan);
            text-decoration: none;
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }

        a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 12px rgba(155, 232, 255, 0.5);
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Top Bar */
        .top-bar {
            background: linear-gradient(180deg, #030611 0%, #0A1333 100%);
            border-bottom: 1px solid rgba(106, 176, 255, 0.18);
            min-height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--text-secondary);
            position: relative;
            z-index: 1001;
        }

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

        .top-bar-domain {
            color: var(--color-cyan);
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar-right a {
            color: var(--text-secondary);
            font-size: 12px;
            transition: color 0.25s ease;
        }

        .top-bar-right a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.4);
        }

        /* Main Navigation */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 8, 22, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(106, 176, 255, 0.22);
            min-height: 68px;
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .main-nav.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            text-decoration: none;
            white-space: nowrap;
        }

        .logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: #fff;
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }

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

        .nav-links>li {
            position: relative;
        }

        .nav-links a {
            display: block;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-pill);
            transition: color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.08);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.15);
        }

        .nav-links a.active {
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.12);
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.2);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-cyan), var(--color-magenta));
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 60%;
        }

        .nav-toggle {
            display: none;
            font-size: 28px;
            color: var(--text-primary);
            background: rgba(33, 212, 253, 0.08);
            border-radius: var(--radius-control);
            padding: 6px 12px;
            transition: background 0.25s ease, box-shadow 0.25s ease;
        }

        .nav-toggle:hover {
            background: rgba(33, 212, 253, 0.16);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.2);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 700;
            transition: all 0.3s ease;
            white-space: nowrap;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: linear-gradient(135deg, #1B76FF, #22D3EE);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            color: #fff;
            box-shadow: 0 0 36px rgba(33, 212, 253, 0.75);
            transform: translateY(-2px);
            filter: brightness(1.08);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 16px rgba(33, 212, 253, 0.4);
            filter: brightness(0.96);
        }

        .btn-secondary {
            background: rgba(33, 212, 253, 0.1);
            color: var(--color-highlight);
            border: 1px solid rgba(33, 212, 253, 0.4);
            box-shadow: 0 0 12px rgba(33, 212, 253, 0.15);
        }

        .btn-secondary:hover {
            background: rgba(33, 212, 253, 0.2);
            color: var(--color-highlight);
            border-color: rgba(33, 212, 253, 0.6);
            box-shadow: 0 0 24px rgba(33, 212, 253, 0.3);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(0);
            box-shadow: 0 0 8px rgba(33, 212, 253, 0.2);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 17px;
        }

        /* Sections */
        .section {
            padding: var(--section-pad) 0;
            position: relative;
        }

        .section-alt {
            background: rgba(10, 19, 51, 0.5);
            border-top: 1px solid rgba(106, 176, 255, 0.15);
            border-bottom: 1px solid rgba(106, 176, 255, 0.15);
        }

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-cyan);
            background: rgba(33, 212, 253, 0.1);
            border: 1px solid rgba(33, 212, 253, 0.3);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 680px;
            line-height: 1.8;
        }

        /* Glass Card */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            border-radius: var(--radius-card);
            padding: 28px;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .glass-card:hover {
            border-color: rgba(33, 212, 253, 0.6);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 24px 56px rgba(0, 0, 0, 0.5), 0 0 24px rgba(33, 212, 253, 0.2);
            transform: translateY(-4px);
        }

        /* Hero - 线索获客提问式首屏 */
        .guide-hero {
            min-height: 82vh;
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            background-image:
                linear-gradient(135deg, rgba(5, 8, 22, 0.92) 0%, rgba(10, 19, 51, 0.75) 50%, rgba(5, 8, 22, 0.9) 100%),
                url('/assets/images/687a36f429ab99a1.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(106, 176, 255, 0.2);
        }

        .guide-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(23, 105, 255, 0.2) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 30%, rgba(33, 212, 253, 0.12) 0%, transparent 45%);
            pointer-events: none;
        }

        .guide-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .guide-hero-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.22;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .guide-hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--color-cyan), var(--color-magenta));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .guide-hero-pain {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            padding: 16px 20px;
            background: rgba(180, 76, 255, 0.08);
            border-left: 3px solid var(--color-magenta);
            border-radius: 0 var(--radius-control) var(--radius-control) 0;
        }

        .guide-hero-tags {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.08);
            border: 1px solid rgba(33, 212, 253, 0.25);
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }

        .hero-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #ff4d6d;
            box-shadow: 0 0 8px rgba(255, 77, 109, 0.7);
            flex-shrink: 0;
        }

        .guide-hero-form {
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            border-radius: var(--radius-card);
            padding: 32px;
        }

        .guide-hero-form h2 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .guide-hero-form p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(106, 176, 255, 0.3);
            border-radius: var(--radius-control);
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
        }

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

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-highlight);
            box-shadow: 0 0 16px rgba(155, 232, 255, 0.25);
            background: rgba(255, 255, 255, 0.07);
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2392A4C8' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }

        .form-submit {
            width: 100%;
            margin-top: 8px;
        }

        .form-note {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 12px;
        }

        /* Device Grid */
        .device-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-card);
        }

        .device-card {
            text-align: center;
            padding: 28px 20px;
        }

        .device-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-control);
            background: linear-gradient(135deg, rgba(23, 105, 255, 0.2), rgba(33, 212, 253, 0.15));
            border: 1px solid rgba(33, 212, 253, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 26px;
            box-shadow: 0 0 18px rgba(33, 212, 253, 0.15);
        }

        .device-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .device-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Steps Timeline */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap-card);
            position: relative;
        }

        .steps-horizontal::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-cyan), var(--color-magenta));
            opacity: 0.3;
            border-radius: 2px;
        }

        .step-item {
            text-align: center;
            position: relative;
            padding: 0 8px;
        }

        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-cyan));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-glow);
            position: relative;
            z-index: 2;
            border: 2px solid rgba(155, 232, 255, 0.4);
        }

        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Match List */
        .match-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .match-card {
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .match-card:hover {
            border-color: rgba(33, 212, 253, 0.6);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 24px 56px rgba(0, 0, 0, 0.5), 0 0 24px rgba(33, 212, 253, 0.2);
            transform: translateY(-4px);
        }

        .match-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }

        .match-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .match-card-body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .match-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .match-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 11px;
            font-weight: 600;
            color: var(--color-highlight);
            background: rgba(33, 212, 253, 0.1);
            border: 1px solid rgba(33, 212, 253, 0.3);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }

        .match-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .match-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 12px;
        }

        .match-card .btn {
            align-self: flex-start;
        }

        /* Quality Data */
        .quality-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
        }

        .quality-card {
            text-align: center;
            padding: 32px 24px;
        }

        .quality-value {
            font-size: 34px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--color-cyan), var(--color-magenta));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 8px;
        }

        .quality-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .quality-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* Scene Cards */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-card);
        }

        .scene-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            border: 1px solid var(--border-card);
            transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .scene-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(5, 8, 22, 0.1) 0%, rgba(5, 8, 22, 0.88) 100%);
            z-index: 1;
        }

        .scene-card:hover {
            border-color: rgba(33, 212, 253, 0.6);
            box-shadow: 0 24px 56px rgba(0, 0, 0, 0.5), 0 0 28px rgba(33, 212, 253, 0.25);
            transform: translateY(-4px);
        }

        .scene-card-content {
            position: relative;
            z-index: 2;
            padding: 24px;
            width: 100%;
        }

        .scene-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .scene-card p {
            font-size: 13px;
            color: rgba(234, 242, 255, 0.75);
            line-height: 1.65;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            border-radius: var(--radius-card);
            background: var(--bg-card);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(33, 212, 253, 0.5);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            background: none;
            border: none;
            transition: color 0.25s ease;
        }

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

        .faq-icon {
            font-size: 22px;
            color: var(--color-cyan);
            flex-shrink: 0;
            transition: transform 0.35s ease;
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--color-magenta);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease, padding 0.35s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* CTA Section */
        .cta-section {
            background:
                linear-gradient(135deg, rgba(23, 105, 255, 0.12) 0%, rgba(33, 212, 253, 0.06) 50%, rgba(180, 76, 255, 0.1) 100%);
            border-top: 1px solid rgba(106, 176, 255, 0.25);
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(33, 212, 253, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-card {
            position: relative;
            z-index: 2;
            padding: 48px 40px;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
            background: var(--bg-card);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-card);
            border-radius: var(--radius-card);
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cta-card p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.75;
        }

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

        /* Footer */
        .footer {
            background: #030611;
            border-top: 1px solid rgba(106, 176, 255, 0.2);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color 0.25s ease, text-shadow 0.25s ease;
        }

        .footer-links a:hover {
            color: var(--color-highlight);
            text-shadow: 0 0 8px rgba(155, 232, 255, 0.3);
        }

        .footer-bottom {
            border-top: 1px solid rgba(106, 176, 255, 0.15);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            font-size: 12px;
            transition: color 0.25s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-highlight);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-pad: 56px;
            }

            .guide-hero .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .guide-hero-content h1 {
                font-size: 32px;
            }

            .device-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .steps-horizontal {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 20px;
            }

            .steps-horizontal::before {
                display: none;
            }

            .match-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .quality-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }

            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(5, 8, 22, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid rgba(106, 176, 255, 0.25);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
            }

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

            .nav-links a {
                font-size: 15px;
                padding: 12px 16px;
                width: 100%;
            }

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

            .nav-toggle {
                display: block;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-pad: 40px;
                --gap-card: 16px;
            }

            .top-bar .container {
                flex-direction: column;
                gap: 4px;
                padding: 8px 16px;
                align-items: flex-start;
            }

            .top-bar-right {
                flex-wrap: wrap;
                gap: 8px;
            }

            .main-nav {
                min-height: 60px;
            }

            .guide-hero {
                min-height: auto;
                padding: 48px 0 40px;
            }

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

            .guide-hero-pain {
                font-size: 15px;
                padding: 14px 16px;
            }

            .guide-hero-form {
                padding: 24px;
            }

            .section-title {
                font-size: 22px;
            }

            .device-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .match-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .quality-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scene-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scene-card {
                min-height: 200px;
            }

            .cta-card {
                padding: 32px 20px;
            }

            .cta-card h2 {
                font-size: 22px;
            }

            .cta-actions {
                flex-direction: column;
                gap: 12px;
                width: 100%;
            }

            .cta-actions .btn {
                width: 100%;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .btn-lg {
                padding: 14px 24px;
                font-size: 15px;
                width: 100%;
            }
        }

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

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

            .section-title {
                font-size: 20px;
            }

            .logo {
                font-size: 18px;
            }

            .logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }

            .match-card h3 {
                font-size: 15px;
            }

            .quality-value {
                font-size: 26px;
            }

            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
        }