/* roulang page: index */
:root {
            --primary: #00BFA5;
            --primary-dark: #00A48E;
            --primary-light: rgba(0, 191, 165, 0.08);
            --accent: #7C4DFF;
            --accent-light: rgba(124, 77, 255, 0.10);
            --dark: #1A1E24;
            --dark-soft: #232932;
            --bg: #F7F8FA;
            --white: #FFFFFF;
            --text: #1A1E24;
            --text-secondary: #5A6472;
            --border: #E5E8EC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(26, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(26, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(26, 30, 36, 0.16);
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 60px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
            outline: none;
        }

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

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--header-height);
            background-color: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(26, 30, 36, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: var(--header-height);
            flex-wrap: nowrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo:hover,
        .logo:focus {
            color: var(--text);
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), #00D6BC);
            border-radius: 8px;
            color: var(--white);
            font-size: 1rem;
            flex-shrink: 0;
            line-height: 1;
            transform: rotate(-2deg);
            transition: transform var(--transition);
        }

        .logo:hover .logo-icon {
            transform: rotate(0deg) scale(1.04);
        }

        .logo .logo-text {
            background: linear-gradient(120deg, var(--text) 0%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
            flex: 1 1 auto;
        }

        .main-nav a {
            position: relative;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--primary-dark);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .command-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--white);
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: border-color var(--transition), box-shadow var(--transition);
            cursor: pointer;
            min-width: 180px;
        }

        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.08);
        }

        .command-search i {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .command-search .kbd-hint {
            margin-left: auto;
            font-size: 0.7rem;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1px 6px;
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
            letter-spacing: 0.02em;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 9px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(0, 191, 165, 0.32);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-lg {
            padding: 13px 26px;
            font-size: 1.05rem;
            border-radius: 10px;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--white);
        }

        .btn-accent:hover,
        .btn-accent:focus {
            background: #6A3DE0;
            color: var(--white);
            box-shadow: 0 4px 14px rgba(124, 77, 255, 0.30);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .hamburger:hover,
        .hamburger:focus {
            background: var(--primary-light);
            outline: none;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 1px;
            transition: all var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 998;
            padding: 20px 24px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer a {
            display: block;
            padding: 14px 12px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            transition: color var(--transition), background var(--transition);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--primary);
            background: var(--primary-light);
        }

        /* Main */
        main {
            padding-top: var(--header-height);
        }

        .section {
            padding: 64px 0;
        }

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

        .section-dark {
            background: var(--dark);
            color: var(--white);
        }

        .section-dark h2,
        .section-dark h3,
        .section-dark p {
            color: inherit;
        }

        .section-tight {
            padding: 48px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
            line-height: 1.3;
            color: var(--text);
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
            margin-bottom: 32px;
        }

        .section-head {
            margin-bottom: 32px;
        }

        .section-head .badge-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        /* Hero */
        .hero {
            position: relative;
            overflow: hidden;
            background: var(--dark);
            color: var(--white);
            padding: 72px 0 56px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .hero::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 191, 165, 0.18) 0%, transparent 65%);
            pointer-events: none;
            border-radius: 50%;
        }

        .hero::before {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(124, 77, 255, 0.15) 0%, transparent 65%);
            pointer-events: none;
            border-radius: 50%;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            opacity: 0.10;
            z-index: 0;
        }

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

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .hero-left h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 16px;
            color: var(--white);
        }

        .hero-left h1 .highlight {
            background: linear-gradient(120deg, var(--primary), #00E5C7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-left .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 28px;
        }

        .hero-code {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-md);
            overflow: hidden;
            font-size: 0.85rem;
            max-width: 520px;
            box-shadow: var(--shadow-md);
        }

        .hero-code .code-header {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.02);
        }

        .hero-code .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }

        .hero-code .dot.red {
            background: #FF5F57;
        }

        .hero-code .dot.yellow {
            background: #FEBC2E;
        }

        .hero-code .dot.green {
            background: #28C840;
        }

        .hero-code code {
            display: block;
            padding: 16px;
            color: #90E0C9;
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
            white-space: pre-wrap;
            word-break: break-word;
            line-height: 1.7;
        }

        .hero-code code .key {
            color: #E6DB74;
        }

        .hero-code code .val {
            color: #A6E22E;
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-stat-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all var(--transition);
            backdrop-filter: blur(8px);
        }

        .hero-stat-card:hover {
            border-color: rgba(0, 191, 165, 0.4);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .hero-stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: var(--primary-light);
            color: var(--primary);
            flex-shrink: 0;
        }

        .hero-stat-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 2px;
            color: var(--white);
        }

        .hero-stat-info p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
        }

        /* Data metrics */
        .metrics-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .metric-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .metric-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .metric-item .metric-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-dark);
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .metric-item .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Feature cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            background: var(--primary-light);
            color: var(--primary-dark);
            margin-bottom: 18px;
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: var(--white);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .feature-card .tag {
            margin-top: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 4px 10px;
            border-radius: 20px;
            display: inline-block;
            align-self: flex-start;
        }

        /* Scene cards */
        .scene-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .scene-card .scene-img {
            height: 160px;
            overflow: hidden;
            background: var(--bg);
            position: relative;
        }

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

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

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

        .scene-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .scene-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* Screenshot panel */
        .demo-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .demo-panel .demo-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .demo-panel .demo-text p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .demo-panel .demo-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            background: var(--dark-soft);
        }

        .demo-panel .demo-visual img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            opacity: 0.8;
        }

        .demo-panel .demo-visual .demo-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(26, 30, 36, 0.85));
            color: var(--white);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .demo-panel .demo-visual .demo-overlay i {
            color: var(--primary);
        }

        /* Case cards */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--dark);
            color: var(--white);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(0, 191, 165, 0.3);
        }

        .case-card .case-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            display: block;
        }

        .case-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--white);
        }

        .case-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.68);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .case-card .case-metric {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(0, 191, 165, 0.14);
        }

        .pricing-card .popular-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .pricing-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .pricing-card .price {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.04em;
            margin: 12px 0 4px;
        }

        .pricing-card .price span {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0;
        }

        .pricing-card .price-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
        }

        .pricing-card ul li {
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-card ul li i {
            color: var(--primary);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        /* Review wall */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .review-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .review-card .stars {
            color: #F5A623;
            font-size: 0.85rem;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }

        .review-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .review-card .reviewer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
        }

        .review-card .reviewer .avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        /* Quote block */
        .quote-block {
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
            padding: 40px 24px;
        }

        .quote-block .quote-icon {
            font-size: 2.4rem;
            color: var(--primary);
            opacity: 0.4;
            margin-bottom: 16px;
        }

        .quote-block blockquote {
            font-size: 1.5rem;
            font-weight: 600;
            line-height: 1.6;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .quote-block .quote-author {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
        }

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

        .news-item {
            display: flex;
            gap: 18px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 18px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .news-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .news-item .news-img {
            width: 140px;
            height: 100px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg);
        }

        .news-item .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item .news-content h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.4;
            color: var(--text);
        }

        .news-item .news-content .news-date {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-item .news-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Brand intro */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .brand-intro .brand-text h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .brand-intro .brand-text p {
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .brand-intro .brand-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .brand-intro .brand-img img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }

        /* Team players */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .team-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .team-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .team-card .team-emblem {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 auto 12px;
        }

        .team-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .team-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .team-card .stat-row {
            display: flex;
            justify-content: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .team-card .stat-row strong {
            color: var(--primary-dark);
            font-weight: 700;
        }

        /* Gear cards */
        .gear-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .gear-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

        .gear-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .gear-card .gear-img {
            height: 170px;
            overflow: hidden;
            background: var(--bg);
        }

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

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

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

        .gear-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .gear-card .gear-price {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }

        .gear-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }

        .gear-card .gear-tag {
            margin-top: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-light);
            padding: 3px 10px;
            border-radius: 20px;
            display: inline-block;
            align-self: flex-start;
        }

        /* Schedule timeline */
        .schedule-timeline {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .schedule-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .schedule-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .schedule-item .sched-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            background: var(--primary-light);
            border-radius: 8px;
            padding: 8px 4px;
        }

        .schedule-item .sched-date .day {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.2;
        }

        .schedule-item .sched-date .month {
            font-size: 0.75rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .schedule-item .sched-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .schedule-item .sched-info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .faq-item .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 20px;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
        }

        .faq-item .faq-question:hover,
        .faq-item .faq-question:focus {
            color: var(--primary-dark);
            outline: none;
        }

        .faq-item .faq-question i {
            transition: transform 0.3s ease;
            color: var(--text-secondary);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* CTA section */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1E2A2D 55%, #16201F 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 191, 165, 0.15) 0%, transparent 65%);
            pointer-events: none;
            border-radius: 50%;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--white);
            letter-spacing: -0.02em;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.72);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.75;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-buttons {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }

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

        .footer-brand .logo {
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand .logo .logo-text {
            background: linear-gradient(120deg, #FFFFFF 0%, #A8F0E4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

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

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.58);
            font-size: 0.85rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover,
        .footer-col ul li a:focus {
            color: var(--primary);
        }

        .footer-col .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 12px;
        }

        .footer-col .footer-subscribe input {
            flex: 1;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 6px;
            padding: 8px 12px;
            color: var(--white);
            font-size: 0.85rem;
        }

        .footer-col .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-col .footer-subscribe button {
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 6px;
            padding: 8px 14px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
        }

        .footer-col .footer-subscribe button:hover {
            background: var(--primary-dark);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

        .footer-bottom a:hover,
        .footer-bottom a:focus {
            color: var(--primary);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }

            .main-nav a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-left h1 {
                font-size: 2.4rem;
            }

            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .scene-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

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

            .team-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .gear-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .schedule-timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                gap: 10px;
            }

            .main-nav {
                display: none;
            }

            .command-search {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-drawer {
                display: block;
            }

            .btn {
                padding: 8px 14px;
                font-size: 0.85rem;
            }

            .section {
                padding: 48px 0;
            }

            .section-tight {
                padding: 36px 0;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .hero {
                padding: 48px 0 36px;
            }

            .hero-left h1 {
                font-size: 1.9rem;
            }

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

            .hero-code {
                font-size: 0.78rem;
            }

            .metrics-bar {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .metric-item {
                padding: 20px 14px;
            }

            .metric-item .metric-number {
                font-size: 1.6rem;
            }

            .features-grid,
            .scene-row,
            .cases-grid,
            .pricing-grid,
            .reviews-grid,
            .team-grid,
            .gear-grid,
            .schedule-timeline {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .demo-panel .demo-visual img {
                height: 200px;
            }

            .news-item {
                flex-direction: column;
            }

            .news-item .news-img {
                width: 100%;
                height: 160px;
            }

            .cta-section {
                padding: 36px 20px;
                border-radius: 12px;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
        }

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

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

            .hero-cta {
                flex-direction: column;
                gap: 10px;
            }

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

            .metrics-bar {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .pricing-card .price {
                font-size: 2.2rem;
            }

            .quote-block blockquote {
                font-size: 1.25rem;
            }
        }

        /* Utility classes for demo */
        .text-center {
            text-align: center;
        }

        .mt-0 {
            margin-top: 0;
        }

        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category2 */
:root {
        --primary: #00BFA5;
        --primary-dark: #00A48E;
        --primary-light: rgba(0, 191, 165, 0.08);
        --accent: #7C4DFF;
        --accent-light: rgba(124, 77, 255, 0.10);
        --dark: #1A1E24;
        --dark-soft: #232932;
        --bg: #F7F8FA;
        --white: #FFFFFF;
        --text: #1A1E24;
        --text-secondary: #5A6472;
        --border: #E5E8EC;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --shadow-sm: 0 2px 8px rgba(26, 30, 36, 0.06);
        --shadow-md: 0 6px 16px rgba(26, 30, 36, 0.12);
        --shadow-lg: 0 12px 32px rgba(26, 30, 36, 0.16);
        --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        --max-width: 1200px;
        --header-height: 60px;
    }

    * {
        box-sizing: border-box;
    }

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

    body {
        font-family: var(--font-sans);
        font-size: 1rem;
        line-height: 1.7;
        color: var(--text);
        background-color: var(--bg);
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        margin: 0;
    }

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

    a:hover,
    a:focus {
        color: var(--primary-dark);
        outline: none;
    }

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

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

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

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

    /* Header / Navigation */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 999;
        height: var(--header-height);
        background-color: rgba(255, 255, 255, 0.96);
        border-bottom: 1px solid var(--border);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        transition: box-shadow var(--transition);
    }

    .site-header.scrolled {
        box-shadow: 0 4px 20px rgba(26, 30, 36, 0.08);
    }

    .header-inner {
        display: flex;
        align-items: center;
        gap: 20px;
        height: var(--header-height);
        flex-wrap: nowrap;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 1.25rem;
        color: var(--text);
        letter-spacing: -0.02em;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .logo:hover,
    .logo:focus {
        color: var(--text);
    }

    .logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: linear-gradient(135deg, var(--primary), #00D6BC);
        border-radius: 8px;
        color: var(--white);
        font-size: 1rem;
        flex-shrink: 0;
        line-height: 1;
        transform: rotate(-2deg);
        transition: transform var(--transition);
    }

    .logo:hover .logo-icon {
        transform: rotate(0deg) scale(1.04);
    }

    .logo .logo-text {
        background: linear-gradient(120deg, var(--text) 0%, var(--primary-dark) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
        margin-left: 8px;
        flex: 1 1 auto;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .main-nav a {
        position: relative;
        padding: 8px 14px;
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text-secondary);
        border-radius: 6px;
        white-space: nowrap;
        transition: color var(--transition), background var(--transition);
    }

    .main-nav a:hover {
        color: var(--primary-dark);
        background: var(--primary-light);
    }

    .main-nav a.active {
        color: var(--primary);
        font-weight: 600;
    }

    .main-nav a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 14px;
        right: 14px;
        height: 2px;
        background: var(--primary);
        border-radius: 1px;
    }

    .header-right {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .command-search {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 6px 14px;
        border: 1px solid var(--border);
        border-radius: 8px;
        background: var(--white);
        font-size: 0.9rem;
        color: var(--text-secondary);
        transition: border-color var(--transition), box-shadow var(--transition);
        cursor: pointer;
        min-width: 180px;
    }

    .command-search:hover,
    .command-search:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.12);
    }

    .command-search input {
        border: none;
        outline: none;
        background: transparent;
        font-size: 0.9rem;
        color: var(--text);
        width: 100%;
    }

    .command-search .shortcut {
        display: inline-block;
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: 4px;
        padding: 0 6px;
        font-size: 0.7rem;
        color: var(--text-secondary);
        line-height: 1.4;
    }

    .header-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 18px;
        background: var(--primary);
        color: var(--white);
        font-weight: 600;
        font-size: 0.9rem;
        border-radius: 8px;
        border: none;
        cursor: pointer;
        white-space: nowrap;
        transition: background var(--transition), box-shadow var(--transition);
    }

    .header-cta:hover,
    .header-cta:focus {
        background: var(--primary-dark);
        color: var(--white);
        box-shadow: 0 6px 16px rgba(0, 191, 165, 0.28);
    }

    .menu-toggle {
        display: none;
        background: transparent;
        border: none;
        font-size: 1.4rem;
        color: var(--text);
        cursor: pointer;
        padding: 4px 8px;
    }

    .mobile-nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: 16px 24px 24px;
        z-index: 998;
        flex-direction: column;
        gap: 8px;
    }

    .mobile-nav a {
        display: block;
        padding: 10px 14px;
        border-radius: 8px;
        font-weight: 500;
        color: var(--text);
        background: var(--bg);
    }

    .mobile-nav a.active {
        background: var(--primary-light);
        color: var(--primary-dark);
        font-weight: 600;
    }

    .mobile-search {
        margin-bottom: 8px;
    }

    /* Page head */
    .page-head {
        padding-top: calc(var(--header-height) + 48px);
        padding-bottom: 24px;
        background: var(--white);
        border-bottom: 1px solid var(--border);
    }

    .breadcrumbs {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin-bottom: 16px;
    }

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

    .breadcrumbs a:hover {
        color: var(--primary);
    }

    .breadcrumbs .sep {
        color: var(--border);
    }

    .page-head h1 {
        font-size: 2.6rem;
        font-weight: 800;
        letter-spacing: -0.03em;
        color: var(--text);
        margin: 0 0 10px;
        line-height: 1.2;
    }

    .page-head .lead {
        font-size: 1.05rem;
        color: var(--text-secondary);
        max-width: 760px;
        margin: 0;
    }

    /* Main sections */
    main {
        display: block;
        padding-bottom: 80px;
    }

    .section {
        padding: 64px 0;
        position: relative;
    }

    .section-alt {
        background: var(--white);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    .section-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 32px;
    }

    .section-header h2 {
        font-size: 1.8rem;
        font-weight: 700;
        letter-spacing: -0.02em;
        color: var(--text);
        margin: 0;
    }

    .section-header .sub {
        color: var(--text-secondary);
        font-size: 0.95rem;
        margin-top: 6px;
    }

    .section-header .link-more {
        flex-shrink: 0;
        font-weight: 600;
        font-size: 0.9rem;
    }

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

    .grid-2 {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .grid-4 {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .card {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        overflow: hidden;
    }

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

    .card-body {
        padding: 22px;
    }

    .card-title {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 8px;
        line-height: 1.35;
    }

    .card-text {
        color: var(--text-secondary);
        font-size: 0.95rem;
        margin: 0 0 16px;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        padding: 4px 10px;
        border-radius: 999px;
        font-size: 0.75rem;
        font-weight: 600;
        background: var(--primary-light);
        color: var(--primary-dark);
        line-height: 1.4;
    }

    .badge-accent {
        background: var(--accent-light);
        color: var(--accent);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px 20px;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.9rem;
        border: 1px solid transparent;
        cursor: pointer;
        transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
        background: var(--primary);
        color: var(--white);
    }

    .btn:hover,
    .btn:focus {
        background: var(--primary-dark);
        color: var(--white);
        box-shadow: 0 6px 16px rgba(0, 191, 165, 0.25);
    }

    .btn-outline {
        background: transparent;
        border-color: var(--primary);
        color: var(--primary);
    }

    .btn-outline:hover,
    .btn-outline:focus {
        background: var(--primary-light);
        color: var(--primary-dark);
        border-color: var(--primary);
        box-shadow: none;
    }

    .btn-sm {
        padding: 6px 14px;
        font-size: 0.8rem;
    }

    .filter-bar {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: center;
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 16px 18px;
        margin-bottom: 28px;
        box-shadow: var(--shadow-sm);
    }

    .filter-bar select,
    .filter-bar input {
        padding: 8px 12px;
        border-radius: 8px;
        border: 1px solid var(--border);
        font-size: 0.85rem;
        color: var(--text);
        background: var(--white);
    }

    .filter-bar select:focus,
    .filter-bar input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.12);
    }

    .filter-bar .filter-label {
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-secondary);
    }

    .data-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 0.9rem;
        background: var(--white);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }

    .data-table th {
        background: var(--dark);
        color: var(--white);
        padding: 12px 16px;
        text-align: left;
        font-weight: 600;
    }

    .data-table td {
        padding: 12px 16px;
        border-bottom: 1px solid var(--border);
        color: var(--text);
    }

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

    .data-table .highlight {
        color: var(--primary);
        font-weight: 700;
    }

    .note-box {
        background: var(--dark);
        color: rgba(255, 255, 255, 0.82);
        border-radius: var(--radius-md);
        padding: 24px;
        font-size: 0.9rem;
        line-height: 1.8;
    }

    .note-box strong {
        color: var(--white);
    }

    .subscribe-box {
        background: var(--dark);
        border-radius: var(--radius-lg);
        padding: 32px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        box-shadow: var(--shadow-lg);
    }

    .subscribe-box h3 {
        color: var(--white);
        font-size: 1.5rem;
        font-weight: 700;
        margin: 0 0 8px;
    }

    .subscribe-box p {
        color: rgba(255, 255, 255, 0.65);
        margin: 0;
        font-size: 0.9rem;
    }

    .subscribe-form {
        display: flex;
        gap: 8px;
        flex: 1 1 320px;
        max-width: 420px;
    }

    .subscribe-form input {
        flex: 1;
        padding: 10px 16px;
        border-radius: 8px;
        border: 1px solid var(--border);
        background: var(--white);
        font-size: 0.9rem;
    }

    .subscribe-form button {
        flex-shrink: 0;
    }

    .avatar-placeholder {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--primary-light);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-weight: 700;
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .player-hero-card {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
        display: flex;
        flex-wrap: wrap;
        transition: box-shadow var(--transition), border-color var(--transition);
    }

    .player-hero-card:hover {
        box-shadow: var(--shadow-md);
        border-color: var(--primary);
    }

    .player-hero-img {
        flex: 1 1 260px;
        min-height: 260px;
        background-size: cover;
        background-position: center;
        position: relative;
    }

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

    .player-hero-content {
        flex: 1 1 360px;
        padding: 28px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .player-hero-content h3 {
        font-size: 1.6rem;
        font-weight: 700;
        margin: 0 0 10px;
    }

    .player-hero-content p {
        color: var(--text-secondary);
        margin: 0 0 16px;
    }

    .tag-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 16px;
    }

    .tag-list .tag {
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: 999px;
        padding: 4px 12px;
        font-size: 0.78rem;
        color: var(--text-secondary);
        cursor: default;
        transition: all var(--transition);
    }

    .tag-list .tag:hover {
        border-color: var(--primary);
        color: var(--primary-dark);
    }

    .score-bar {
        height: 8px;
        border-radius: 999px;
        background: var(--border);
        overflow: hidden;
        margin-top: 12px;
    }

    .score-bar span {
        display: block;
        height: 100%;
        background: var(--primary);
        border-radius: 999px;
    }

    .footer {
        background: var(--dark);
        color: rgba(255, 255, 255, 0.75);
        padding: 48px 0 24px;
        font-size: 0.9rem;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 32px;
        margin-bottom: 32px;
    }

    .footer-brand .logo {
        color: var(--white);
        margin-bottom: 12px;
    }

    .footer-brand .logo .logo-text {
        background: linear-gradient(120deg, #ffffff 0%, #00D6BC 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .footer-brand p {
        color: rgba(255, 255, 255, 0.55);
        font-size: 0.88rem;
        margin: 0;
    }

    .footer-col h4 {
        color: var(--white);
        font-size: 0.95rem;
        font-weight: 700;
        margin: 0 0 14px;
    }

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

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

    .footer-col a {
        color: rgba(255, 255, 255, 0.72);
        font-size: 0.88rem;
    }

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

    .footer-subscribe {
        display: flex;
        gap: 8px;
    }

    .footer-subscribe input {
        flex: 1;
        padding: 8px 12px;
        border-radius: 8px;
        border: 1px solid rgba(255, 255, 255, 0.18);
        background: rgba(255, 255, 255, 0.06);
        color: var(--white);
        font-size: 0.85rem;
    }

    .footer-subscribe input::placeholder {
        color: rgba(255, 255, 255, 0.4);
    }

    .footer-subscribe button {
        background: var(--primary);
        color: var(--white);
        border: none;
        border-radius: 8px;
        padding: 8px 16px;
        font-weight: 600;
        font-size: 0.85rem;
        cursor: pointer;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: center;
        justify-content: space-between;
        color: rgba(255, 255, 255, 0.45);
        font-size: 0.78rem;
    }

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

    .footer-links a {
        color: rgba(255, 255, 255, 0.6);
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
        .grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .grid-4 {
            grid-template-columns: repeat(2, 1fr);
        }
        .header-right .command-search {
            min-width: 140px;
        }
    }

    @media (max-width: 768px) {
        .grid,
        .grid-2,
        .grid-4 {
            grid-template-columns: 1fr;
        }
        .main-nav {
            display: none;
        }
        .header-right {
            gap: 8px;
        }
        .command-search {
            display: none;
        }
        .menu-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-nav.open {
            display: flex;
        }
        .section {
            padding: 40px 0;
        }
        .page-head {
            padding-top: calc(var(--header-height) + 28px);
            padding-bottom: 16px;
        }
        .page-head h1 {
            font-size: 2rem;
        }
        .section-header {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .subscribe-box {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    @media (max-width: 520px) {
        .container-custom {
            padding-left: 16px;
            padding-right: 16px;
        }
        .header-inner {
            gap: 10px;
        }
        .logo .logo-text {
            font-size: 1.05rem;
        }
        .page-head h1 {
            font-size: 1.75rem;
        }
        .section-header h2 {
            font-size: 1.4rem;
        }
        .filter-bar {
            flex-direction: column;
            align-items: stretch;
        }
        .filter-bar select,
        .filter-bar input {
            width: 100%;
        }
        .data-table {
            font-size: 0.78rem;
        }
        .data-table th,
        .data-table td {
            padding: 8px 10px;
        }
        .player-hero-content {
            padding: 20px;
        }
        .player-hero-content h3 {
            font-size: 1.3rem;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #00BFA5;
            --primary-dark: #00A48E;
            --primary-light: rgba(0, 191, 165, 0.08);
            --accent: #7C4DFF;
            --accent-light: rgba(124, 77, 255, 0.10);
            --dark: #1A1E24;
            --dark-soft: #232932;
            --bg: #F7F8FA;
            --white: #FFFFFF;
            --text: #1A1E24;
            --text-secondary: #5A6472;
            --border: #E5E8EC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(26, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(26, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(26, 30, 36, 0.16);
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 60px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
            outline: none;
        }

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

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--header-height);
            background-color: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(26, 30, 36, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: var(--header-height);
            flex-wrap: nowrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo:hover,
        .logo:focus {
            color: var(--text);
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), #00D6BC);
            border-radius: 8px;
            color: var(--white);
            font-size: 1rem;
            flex-shrink: 0;
            line-height: 1;
            transform: rotate(-2deg);
            transition: transform var(--transition);
        }

        .logo:hover .logo-icon {
            transform: rotate(0deg) scale(1.04);
        }

        .logo .logo-text {
            background: linear-gradient(120deg, var(--text) 0%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
            flex: 1 1 auto;
        }

        .main-nav a {
            position: relative;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--primary-dark);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .command-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--white);
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: border-color var(--transition), box-shadow var(--transition);
            cursor: pointer;
            min-width: 180px;
        }

        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.12);
        }

        .command-search input {
            border: none;
            background: transparent;
            outline: none;
            color: var(--text);
            font-size: 0.9rem;
            width: 100%;
            padding: 0;
        }

        .command-search input::placeholder {
            color: #9AA3AF;
        }

        .command-search .search-kbd {
            font-size: 0.75rem;
            color: #9AA3AF;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1px 6px;
            white-space: nowrap;
        }

        .header-icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-secondary);
            background: var(--white);
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            cursor: pointer;
            font-size: 0.95rem;
        }

        .header-icon-btn:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 9px 20px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(0, 191, 165, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:focus {
            color: var(--white);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 9px 20px;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-1px);
        }

        .btn-secondary:focus {
            color: var(--primary-dark);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--white);
            color: var(--text);
            cursor: pointer;
            font-size: 1.15rem;
            flex-shrink: 0;
            transition: color var(--transition), border-color var(--transition);
        }

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

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            z-index: 998;
            padding: 20px 24px;
            overflow-y: auto;
            border-top: 1px solid var(--border);
        }

        .mobile-drawer.open {
            display: block;
        }

        .mobile-drawer .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 20px;
        }

        .mobile-drawer .mobile-nav-links a {
            padding: 14px 16px;
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-drawer .mobile-nav-links a:hover,
        .mobile-drawer .mobile-nav-links a.active {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .mobile-drawer .mobile-search-row {
            display: flex;
            gap: 10px;
            margin-bottom: 16px;
        }

        .mobile-drawer .mobile-search-row input {
            flex: 1;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
        }

        .mobile-drawer .mobile-search-row input:focus {
            border-color: var(--primary);
        }

        .mobile-drawer .btn-primary {
            width: 100%;
            padding: 14px 20px;
            font-size: 1rem;
        }

        /* Main content padding for fixed header */
        .page-main {
            padding-top: var(--header-height);
        }

        /* Breadcrumb */
        .breadcrumb-section {
            padding: 28px 0 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-nav .separator {
            color: #B0B8C4;
            font-size: 0.75rem;
        }

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

        /* Page header (compact, not big hero) */
        .page-head-section {
            padding: 32px 0 24px;
        }

        .page-head-section h1 {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 10px;
            color: var(--text);
            line-height: 1.25;
        }

        .page-head-section .page-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }

        /* Filter toolbar */
        .filter-section {
            padding: 16px 0 32px;
        }

        .filter-toolbar {
            display: flex;
            align-items: flex-end;
            gap: 14px;
            flex-wrap: wrap;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1 1 160px;
            min-width: 140px;
        }

        .filter-group label {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        .filter-group input,
        .filter-group select {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.92rem;
            color: var(--text);
            background: var(--white);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            appearance: auto;
        }

        .filter-group input:focus,
        .filter-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.12);
        }

        .filter-toolbar .btn-filter {
            padding: 11px 28px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .filter-toolbar .btn-filter:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 12px rgba(0, 191, 165, 0.35);
        }

        .filter-toolbar .btn-reset {
            padding: 11px 18px;
            background: transparent;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 0.92rem;
            font-weight: 500;
            cursor: pointer;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .filter-toolbar .btn-reset:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }

        /* Event cards grid */
        .events-section {
            padding: 24px 0 48px;
        }

        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--text);
            margin: 0;
        }

        .section-heading .section-count {
            font-size: 0.9rem;
            color: var(--text-secondary);
            background: var(--white);
            padding: 6px 14px;
            border-radius: 20px;
            border: 1px solid var(--border);
        }

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

        .event-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .event-card .card-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #EDEFF2;
        }

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

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

        .event-card .card-thumb .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: rgba(26, 30, 36, 0.75);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.02em;
            backdrop-filter: blur(6px);
        }

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

        .event-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .event-card .card-title a {
            color: var(--text);
            transition: color var(--transition);
        }

        .event-card .card-title a:hover {
            color: var(--primary);
        }

        .event-card .card-summary {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .event-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #9AA3AF;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .event-card .card-meta i {
            color: var(--primary);
            margin-right: 4px;
        }

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

        /* Popular tags */
        .tags-section {
            padding: 40px 0;
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .tags-section .section-heading {
            margin-bottom: 18px;
        }

        .tags-section .section-heading h2 {
            font-size: 1.4rem;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 1px solid var(--border);
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--white);
            cursor: pointer;
            transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
        }

        .tag-btn:hover,
        .tag-btn.active {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
            box-shadow: 0 2px 8px rgba(0, 191, 165, 0.12);
        }

        .tag-btn .tag-count {
            font-size: 0.75rem;
            color: #9AA3AF;
            background: var(--bg);
            padding: 2px 8px;
            border-radius: 12px;
        }

        /* Editor's pick */
        .editor-pick-section {
            padding: 56px 0;
        }

        .editor-pick-section .section-heading {
            margin-bottom: 24px;
        }

        .editor-pick-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .editor-pick-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 220px;
            background: var(--dark);
            box-shadow: var(--shadow-md);
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            align-items: flex-end;
        }

        .editor-pick-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .editor-pick-card .pick-bg {
            position: absolute;
            inset: 0;
            z-index: 1;
        }

        .editor-pick-card .pick-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }

        .editor-pick-card .pick-overlay {
            position: absolute;
            inset: 0;
            z-index: 2;
            background: linear-gradient(180deg, rgba(26, 30, 36, 0.15) 0%, rgba(26, 30, 36, 0.88) 100%);
        }

        .editor-pick-card .pick-content {
            position: relative;
            z-index: 3;
            padding: 24px 26px;
            color: var(--white);
        }

        .editor-pick-card .pick-label {
            display: inline-block;
            padding: 4px 12px;
            background: var(--primary);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 20px;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .editor-pick-card .pick-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .editor-pick-card .pick-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .editor-pick-card .pick-meta {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            gap: 14px;
        }

        /* Subscribe CTA */
        .subscribe-cta-section {
            padding: 64px 0;
            background: var(--dark);
            margin: 0;
        }

        .subscribe-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .subscribe-cta-text {
            flex: 1 1 380px;
        }

        .subscribe-cta-text h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--white);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

        .subscribe-cta-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin: 0;
        }

        .subscribe-cta-form {
            flex: 1 1 340px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .subscribe-cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition), background var(--transition);
        }

        .subscribe-cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .subscribe-cta-form input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.12);
        }

        .subscribe-cta-form button {
            padding: 14px 28px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .subscribe-cta-form button:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(0, 191, 165, 0.4);
        }

        /* View more */
        .view-more-section {
            padding: 48px 0 64px;
            text-align: center;
        }

        .btn-view-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: var(--white);
            color: var(--text);
            border: 1.5px solid var(--border);
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        .btn-view-more:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            padding: 56px 0 28px;
            color: rgba(255, 255, 255, 0.75);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            color: var(--white);
            margin-bottom: 14px;
            display: inline-flex;
        }

        .footer-brand .logo .logo-text {
            background: linear-gradient(120deg, #FFFFFF 0%, #00D6BC 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 4px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--white);
            font-size: 0.88rem;
            outline: none;
            transition: border-color var(--transition);
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-subscribe input:focus {
            border-color: var(--primary);
        }

        .footer-subscribe button {
            padding: 10px 18px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: var(--primary-dark);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        .footer-links span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* Toast */
        .toast-msg {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--dark);
            color: var(--white);
            padding: 14px 24px;
            border-radius: 8px;
            font-size: 0.9rem;
            box-shadow: var(--shadow-lg);
            z-index: 1000;
            display: none;
            text-align: center;
            max-width: 90vw;
        }

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

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .command-search {
                min-width: 140px;
            }
            .command-search .search-kbd {
                display: none;
            }
            .page-head-section h1 {
                font-size: 2rem;
            }
            .event-card-grid {
                grid-template-columns: 1fr;
            }
            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }
            .filter-group {
                flex: 1 1 auto;
                min-width: 100%;
            }
            .filter-toolbar .btn-filter,
            .filter-toolbar .btn-reset {
                width: 100%;
                text-align: center;
            }
            .subscribe-cta-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 24px;
            }
            .subscribe-cta-form {
                flex-direction: column;
            }
            .subscribe-cta-form button {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 56px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .header-inner {
                gap: 10px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }
            .command-search {
                min-width: 0;
                flex: 1;
                padding: 5px 10px;
                font-size: 0.8rem;
            }
            .header-icon-btn {
                display: none;
            }
            .header-right .btn-primary {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .page-head-section {
                padding: 20px 0 16px;
            }
            .page-head-section h1 {
                font-size: 1.75rem;
            }
            .page-head-section .page-subtitle {
                font-size: 0.95rem;
            }
            .breadcrumb-section {
                padding: 16px 0 0;
            }
            .event-card .card-body {
                padding: 14px 16px 16px;
            }
            .event-card .card-title {
                font-size: 0.98rem;
            }
            .editor-pick-card {
                min-height: 180px;
            }
            .editor-pick-card .pick-content {
                padding: 18px 20px;
            }
            .editor-pick-card .pick-title {
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .tags-section {
                padding: 28px 0;
            }
            .editor-pick-section {
                padding: 40px 0;
            }
            .subscribe-cta-section {
                padding: 40px 0;
            }
            .view-more-section {
                padding: 32px 0 48px;
            }
            .section-heading h2 {
                font-size: 1.35rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #00BFA5;
            --primary-dark: #00A48E;
            --primary-light: rgba(0, 191, 165, 0.08);
            --accent: #7C4DFF;
            --accent-light: rgba(124, 77, 255, 0.10);
            --dark: #1A1E24;
            --dark-soft: #232932;
            --bg: #F7F8FA;
            --white: #FFFFFF;
            --text: #1A1E24;
            --text-secondary: #5A6472;
            --border: #E5E8EC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(26, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(26, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(26, 30, 36, 0.16);
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 60px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
            outline: none;
        }

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

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--header-height);
            background-color: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(26, 30, 36, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: var(--header-height);
            flex-wrap: nowrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo:hover,
        .logo:focus {
            color: var(--text);
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), #00D6BC);
            border-radius: 8px;
            color: var(--white);
            font-size: 1rem;
            flex-shrink: 0;
            line-height: 1;
            transform: rotate(-2deg);
            transition: transform var(--transition);
        }

        .logo:hover .logo-icon {
            transform: rotate(0deg) scale(1.04);
        }

        .logo .logo-text {
            background: linear-gradient(120deg, var(--text) 0%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
            flex: 1 1 auto;
        }

        .main-nav a {
            position: relative;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--primary-dark);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .command-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--white);
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: border-color var(--transition), box-shadow var(--transition);
            cursor: pointer;
            min-width: 180px;
        }

        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.10);
        }

        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text);
            flex: 1;
            padding: 0;
        }

        .command-search input::placeholder {
            color: var(--text-secondary);
            opacity: 0.7;
        }

        .command-search .kbd-hint {
            font-size: 0.7rem;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1px 6px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            border: none;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 6px;
            width: 36px;
            height: 36px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            transition: border-color var(--transition);
        }

        .hamburger:hover {
            border-color: var(--primary);
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text);
            border-radius: 1px;
            transition: background var(--transition);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
            z-index: 998;
            box-shadow: var(--shadow-md);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 10px 0;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            transition: color var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
        }

        .mobile-menu .search-box-mobile {
            margin-bottom: 12px;
        }

        /* Breadcrumb */
        .breadcrumb-section {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }

        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            flex-wrap: wrap;
        }

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

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

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

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

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

        /* Page intro compact */
        .page-intro {
            background: var(--white);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }

        .page-intro h1 {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            color: var(--text);
        }

        .page-intro .subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Section base */
        .section-block {
            padding: 56px 0;
        }

        .section-block.alt-bg {
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading h2 {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text);
            margin-bottom: 8px;
        }

        .section-heading p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin: 0;
        }

        /* Filter bar */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-bottom: 24px;
        }

        .filter-select {
            padding: 8px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--white);
            color: var(--text);
            font-size: 0.9rem;
            min-width: 130px;
            cursor: pointer;
            transition: border-color var(--transition), box-shadow var(--transition);
            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 d='M1 1l5 5 5-5' stroke='%235A6472' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }

        .filter-select:hover,
        .filter-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.10);
            outline: none;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border: 1px solid var(--border);
            border-radius: 20px;
            background: var(--white);
            font-size: 0.85rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-tag.active {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 600;
        }

        /* Article cards */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 20px;
        }

        .article-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            cursor: pointer;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .article-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .article-card .card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg);
        }

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

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

        .article-card .card-body {
            padding: 20px 20px 16px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .article-card .difficulty-tag {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            background: var(--primary-light);
            color: var(--primary);
        }

        .article-card .difficulty-tag.intermediate {
            background: var(--accent-light);
            color: var(--accent);
        }

        .article-card .difficulty-tag.advanced {
            background: rgba(255, 152, 0, 0.12);
            color: #E65100;
        }

        .article-card .game-tag {
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 4px;
            background: var(--bg);
            color: var(--text-secondary);
        }

        .article-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--text);
            transition: color var(--transition);
        }

        .article-card:hover h3 {
            color: var(--primary);
        }

        .article-card .excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
            flex: 1;
        }

        .article-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

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

        .tag-cloud .tag-btn {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border: 1px solid var(--border);
            border-radius: 20px;
            background: var(--white);
            font-size: 0.88rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
        }

        .tag-cloud .tag-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .tag-cloud .tag-btn.active {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        /* Guide steps */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .step-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            position: relative;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary);
        }

        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 12px;
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Tutorial entry cards */
        .tutorial-entry {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .tutorial-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            cursor: pointer;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .tutorial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .tutorial-card .tutorial-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg);
            position: relative;
        }

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

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

        .tutorial-card .play-overlay {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.25);
            transition: background var(--transition);
        }

        .tutorial-card:hover .play-overlay {
            background: rgba(0, 0, 0, 0.35);
        }

        .tutorial-card .play-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
            box-shadow: var(--shadow-md);
        }

        .tutorial-card .tutorial-body {
            padding: 20px;
            flex: 1;
        }

        .tutorial-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text);
            transition: color var(--transition);
        }

        .tutorial-card:hover h3 {
            color: var(--primary);
        }

        .tutorial-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* Tips list */
        .tips-list {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 28px 20px;
        }

        .tips-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
            color: var(--text);
        }

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

        .tips-list .tip-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            margin-top: 2px;
        }

        /* View more button */
        .view-more-wrap {
            text-align: center;
            padding-top: 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand .logo {
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand .logo .logo-text {
            background: linear-gradient(120deg, var(--white) 0%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            margin: 0;
            max-width: 240px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            transition: color var(--transition);
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: var(--white);
            font-size: 0.85rem;
            outline: none;
            transition: border-color var(--transition);
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-subscribe input:focus {
            border-color: var(--primary);
        }

        .footer-subscribe button {
            padding: 10px 16px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition);
        }

        .footer-subscribe button:hover {
            background: var(--primary-dark);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 2px;
            }

            .main-nav a {
                padding: 8px 10px;
                font-size: 0.88rem;
            }

            .command-search {
                min-width: 140px;
            }

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

            .tutorial-entry {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .command-search {
                display: none;
            }

            .header-right .btn-primary {
                display: none;
            }

            .header-inner {
                gap: 12px;
            }

            .page-intro h1 {
                font-size: 1.75rem;
            }

            .section-block {
                padding: 40px 0;
            }

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

            .guide-steps {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

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

            .page-intro {
                padding: 32px 0 24px;
            }

            .page-intro h1 {
                font-size: 1.5rem;
            }

            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }

            .filter-select {
                width: 100%;
            }

            .tag-cloud .tag-btn {
                font-size: 0.8rem;
                padding: 6px 14px;
            }

            .tips-list {
                padding: 20px 16px 12px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #00BFA5;
            --primary-dark: #00A48E;
            --primary-light: rgba(0, 191, 165, 0.08);
            --accent: #7C4DFF;
            --accent-light: rgba(124, 77, 255, 0.10);
            --dark: #1A1E24;
            --dark-soft: #232932;
            --bg: #F7F8FA;
            --white: #FFFFFF;
            --text: #1A1E24;
            --text-secondary: #5A6472;
            --border: #E5E8EC;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(26, 30, 36, 0.06);
            --shadow-md: 0 6px 16px rgba(26, 30, 36, 0.12);
            --shadow-lg: 0 12px 32px rgba(26, 30, 36, 0.16);
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 60px;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
            outline: none;
        }

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

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

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

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

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--header-height);
            background-color: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(26, 30, 36, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 20px;
            height: var(--header-height);
            flex-wrap: nowrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo:hover,
        .logo:focus {
            color: var(--text);
        }

        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), #00D6BC);
            border-radius: 8px;
            color: var(--white);
            font-size: 1rem;
            flex-shrink: 0;
            line-height: 1;
            transform: rotate(-2deg);
            transition: transform var(--transition);
        }

        .logo:hover .logo-icon {
            transform: rotate(0deg) scale(1.04);
        }

        .logo .logo-text {
            background: linear-gradient(120deg, var(--text) 0%, var(--primary-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
            flex: 1 1 auto;
        }

        .main-nav a {
            position: relative;
            padding: 8px 14px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            white-space: nowrap;
            transition: color var(--transition), background var(--transition);
        }

        .main-nav a:hover {
            color: var(--primary-dark);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--primary);
            border-radius: 1px;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .command-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--white);
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: border-color var(--transition), box-shadow var(--transition);
            cursor: pointer;
            min-width: 180px;
        }

        .command-search:hover,
        .command-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.12);
        }

        .command-search input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 0.9rem;
            color: var(--text);
            padding: 0;
            min-width: 0;
        }

        .command-search .kbd-hint {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            font-size: 0.7rem;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 2px 6px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            line-height: 1.4;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(0, 191, 165, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-outline:hover,
        .btn-outline:focus {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary);
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 0.85rem;
            border-radius: 6px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--text);
            font-size: 1.35rem;
            line-height: 1;
            flex-shrink: 0;
            border-radius: 6px;
            transition: background var(--transition);
        }

        .nav-toggle:hover {
            background: var(--bg);
        }

        /* Page Header (Category compact header) */
        .page-header {
            padding-top: calc(var(--header-height) + 32px);
            padding-bottom: 24px;
            background: var(--white);
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .separator {
            color: var(--border);
            user-select: none;
        }

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

        .page-header h1 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.03em;
            margin-bottom: 8px;
            line-height: 1.25;
        }

        .page-header .subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.7;
        }

        /* Section Common */
        .section {
            padding: 48px 0;
        }

        .section-sm {
            padding: 28px 0;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            max-width: 680px;
            line-height: 1.7;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary-dark);
            white-space: nowrap;
        }

        .badge-accent {
            background: var(--accent-light);
            color: var(--accent);
        }

        .badge-outline {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 6px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .tag:hover,
        .tag:focus {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* Gear Cards */
        .gear-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .gear-card {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }

        .gear-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .gear-card .gear-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--bg);
        }

        .gear-card .gear-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .gear-card .gear-category {
            font-size: 0.78rem;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .gear-card .gear-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .gear-card .gear-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }

        .gear-card .gear-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .gear-card .gear-price {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text);
        }

        .gear-card .gear-price .currency {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .gear-card .gear-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .gear-card .gear-rating i {
            color: #FFC107;
            font-size: 0.75rem;
        }

        /* Rating Bars */
        .rating-compare {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .rating-card {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 24px;
            transition: all var(--transition);
        }

        .rating-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary);
        }

        .rating-card .rating-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .rating-card .rating-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
        }

        .rating-card .rating-score {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
        }

        .rating-bar-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .rating-bar-row .bar-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            width: 56px;
            flex-shrink: 0;
        }

        .rating-bar-row .bar-track {
            flex: 1;
            height: 6px;
            background: var(--bg);
            border-radius: 3px;
            overflow: hidden;
        }

        .rating-bar-row .bar-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), #00D6BC);
            width: 0%;
            transition: width 0.8s ease;
        }

        .rating-bar-row .bar-value {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text);
            width: 32px;
            text-align: right;
            flex-shrink: 0;
        }

        /* Buying Guide */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .guide-card {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 24px;
            text-align: center;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .guide-card .guide-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 6px;
        }

        .guide-card .guide-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
        }

        .guide-card .guide-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Article Links */
        .article-link-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .article-link-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--text);
        }

        .article-link-item:first-child {
            border-top: 1px solid var(--border);
        }

        .article-link-item:hover {
            padding-left: 8px;
            color: var(--primary);
        }

        .article-link-item .article-thumb {
            width: 72px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg);
        }

        .article-link-item .article-info {
            flex: 1;
            min-width: 0;
        }

        .article-link-item .article-title {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
            transition: color var(--transition);
        }

        .article-link-item:hover .article-title {
            color: var(--primary);
        }

        .article-link-item .article-meta {
            font-size: 0.78rem;
            color: var(--text-secondary);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .article-link-item .article-arrow {
            color: var(--text-secondary);
            font-size: 0.9rem;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .article-link-item:hover .article-arrow {
            transform: translateX(4px);
            color: var(--primary);
        }

        /* Buy Tips */
        .tips-panel {
            background: var(--dark);
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            gap: 24px;
            align-items: flex-start;
        }

        .tips-panel .tips-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(0, 191, 165, 0.15);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .tips-panel .tips-content h3 {
            color: var(--white);
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .tips-panel .tips-content ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .tips-panel .tips-content ul li {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .tips-panel .tips-content ul li i {
            color: var(--primary);
            font-size: 0.8rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* View More */
        .view-more-section {
            text-align: center;
            padding: 32px 0 48px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            padding: 48px 0 24px;
            color: rgba(255, 255, 255, 0.72);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand .logo {
            color: var(--white);
            margin-bottom: 12px;
        }

        .footer-brand .logo .logo-text {
            background: linear-gradient(120deg, var(--white) 0%, #00D6BC 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
            max-width: 280px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition);
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: var(--white);
            font-size: 0.85rem;
            outline: none;
            transition: border-color var(--transition);
        }

        .footer-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-subscribe input:focus {
            border-color: var(--primary);
        }

        .footer-subscribe button {
            padding: 8px 16px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: var(--primary-dark);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
        }

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

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        .footer-bottom span {
            color: rgba(255, 255, 255, 0.45);
        }

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

            .rating-compare {
                grid-template-columns: 1fr;
            }

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

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

        @media (max-width: 768px) {
            .header-inner {
                gap: 10px;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px 16px;
                gap: 4px;
                box-shadow: var(--shadow-md);
                z-index: 998;
            }

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

            .main-nav a {
                padding: 12px 14px;
                font-size: 1rem;
            }

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

            .main-nav a.active {
                background: var(--primary-light);
                border-radius: 6px;
            }

            .nav-toggle {
                display: block;
            }

            .command-search {
                min-width: auto;
                flex: 1;
                max-width: 160px;
            }

            .command-search .kbd-hint {
                display: none;
            }

            .header-right .btn {
                display: none;
            }

            .header-right .nav-toggle {
                display: block;
            }

            .page-header h1 {
                font-size: 1.75rem;
            }

            .section {
                padding: 32px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

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

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

            .tips-panel {
                flex-direction: column;
                padding: 24px 20px;
            }

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

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

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

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

            .page-header {
                padding-top: calc(var(--header-height) + 20px);
                padding-bottom: 18px;
            }

            .page-header h1 {
                font-size: 1.5rem;
            }

            .command-search {
                max-width: 130px;
                padding: 6px 10px;
                font-size: 0.82rem;
            }

            .command-search input {
                font-size: 0.82rem;
            }

            .gear-card .gear-body {
                padding: 16px 18px 20px;
            }

            .gear-card .gear-name {
                font-size: 1.05rem;
            }

            .rating-card {
                padding: 18px;
            }

            .article-link-item {
                gap: 12px;
            }

            .article-link-item .article-thumb {
                width: 56px;
                height: 42px;
            }

            .article-link-item .article-title {
                font-size: 0.88rem;
            }

            .tips-panel {
                padding: 20px 16px;
            }
        }