/* roulang page: index */
:root {
            --bg-primary: #0A0E14;
            --bg-secondary: #141A24;
            --bg-hover: #1B2230;
            --bg-deep: #070A0F;
            --brand-green: #00E676;
            --brand-green-dark: #00C853;
            --brand-green-light: #66FFA6;
            --text-primary: #F2F5F8;
            --text-secondary: #9BA6B5;
            --text-muted: #5A6472;
            --border-color: #232B3A;
            --border-hover: #2E394A;
            --border-green: rgba(0, 230, 118, 0.4);
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-dock: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s ease;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-padding-desktop: 88px;
            --section-padding-tablet: 60px;
            --section-padding-mobile: 44px;
        }

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

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

        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            overflow-x: hidden;
        }

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

        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }

        a:hover {
            color: var(--brand-green-light);
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 3px;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-family);
            font-weight: 700;
            letter-spacing: 0.005em;
            line-height: 1.3;
            margin-top: 0;
            margin-bottom: 0.5em;
            color: var(--text-primary);
        }

        h1 {
            font-size: clamp(32px, 4.5vw, 46px);
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.2;
        }

        h2 {
            font-size: clamp(26px, 3.2vw, 34px);
            font-weight: 700;
            letter-spacing: 0.005em;
            line-height: 1.3;
        }

        h3 {
            font-size: clamp(18px, 2vw, 21px);
            font-weight: 600;
            letter-spacing: 0.004em;
        }

        p {
            margin-top: 0;
            margin-bottom: 1em;
        }

        .grid-container {
            max-width: var(--container-max);
            padding-left: 16px;
            padding-right: 16px;
        }

        .section-pad {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-sm);
            padding: 5px 12px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 34px);
            font-weight: 700;
            letter-spacing: 0.005em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-sub {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 24px;
        }

        .divider {
            width: 100%;
            height: 1px;
            background: var(--border-color);
            margin: 0;
        }

        .divider-green {
            width: 48px;
            height: 3px;
            background: var(--brand-green);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        /* ========== 浮动 Dock 导航 ========== */
        .dock-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 32px);
            max-width: 1180px;
            border-radius: 16px;
            background: rgba(20, 26, 36, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-dock);
            transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        }

        .dock-header:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
        }

        .dock-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 20px;
            gap: 16px;
            min-height: var(--nav-height);
        }

        .dock-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .dock-logo:hover {
            color: var(--brand-green);
        }

        .dock-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-primary);
            flex-shrink: 0;
        }

        .dock-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .dock-nav a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .dock-nav a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-green);
            border-radius: 1px;
            transition: width var(--transition-base);
        }

        .dock-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .dock-nav a:hover::after {
            width: 24px;
        }

        .dock-nav a.active {
            color: var(--brand-green);
            font-weight: 600;
        }

        .dock-nav a.active::after {
            width: 28px;
        }

        .dock-cta {
            flex-shrink: 0;
        }

        .dock-cta button,
        .dock-cta a.btn-nav {
            background: var(--brand-green);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-md);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            display: inline-block;
        }

        .dock-cta button:hover,
        .dock-cta a.btn-nav:hover {
            background: var(--brand-green-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(0, 230, 118, 0.25);
            color: var(--bg-primary);
        }

        .dock-burger {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .dock-burger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }

        .dock-burger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .dock-burger.open span:nth-child(2) {
            opacity: 0;
        }

        .dock-burger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 99;
            background: rgba(7, 10, 15, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding: 100px 24px 40px;
            gap: 8px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-slow);
        }

        .mobile-drawer.open {
            opacity: 1;
            pointer-events: all;
        }

        .mobile-drawer a {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 12px 24px;
            border-radius: var(--radius-md);
            transition: background var(--transition-fast), color var(--transition-fast);
            width: 100%;
            text-align: center;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(0, 230, 118, 0.08);
            color: var(--brand-green);
        }

        .mobile-drawer-close {
            position: absolute;
            top: 28px;
            right: 24px;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            font-size: 22px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        body.mobile-menu-open {
            overflow: hidden;
        }

        /* ========== Hero Bento ========== */
        .hero-section {
            padding-top: 130px;
            padding-bottom: 40px;
            min-height: 88vh;
            display: flex;
            align-items: center;
        }

        .hero-bento {
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto;
            gap: 20px;
            width: 100%;
        }

        .hero-main {
            grid-row: 1 / 3;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: var(--bg-secondary);
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            padding: 36px;
            box-shadow: var(--shadow-card);
        }

        .hero-main::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 14, 20, 0.82) 0%, rgba(10, 14, 20, 0.55) 40%, rgba(10, 14, 20, 0.85) 100%);
            z-index: 1;
        }

        .hero-main-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/7d1b3d31616ce1a8.webp');
            background-size: cover;
            background-position: center;
        }

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

        .hero-main-content h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .hero-main-content p {
            font-size: 15px;
            line-height: 1.75;
            color: #CBD5E0;
            max-width: 620px;
            margin-bottom: 22px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-green);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-md);
            padding: 11px 22px;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--brand-green-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 230, 118, 0.3);
            color: var(--bg-primary);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(0, 230, 118, 0.2);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--text-muted);
            border-radius: var(--radius-md);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
            text-decoration: none;
        }

        .btn-ghost:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.04);
            transform: translateY(-1px);
        }

        .hero-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(20, 26, 36, 0.85);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 5px 10px;
            backdrop-filter: blur(4px);
        }

        .hero-badge span {
            color: var(--brand-green);
            font-weight: 700;
        }

        .hero-small-card {
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            background: var(--bg-secondary);
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            min-height: 120px;
        }

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

        .hero-small-card .card-label {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-green);
            margin-bottom: 6px;
        }

        .hero-small-card .card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .hero-small-card .card-text {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .hero-cta-bar {
            grid-column: 1 / -1;
            border-radius: var(--radius-lg);
            background: linear-gradient(90deg, rgba(0, 230, 118, 0.08) 0%, rgba(10, 14, 20, 0.6) 60%);
            border: 1px solid var(--border-color);
            padding: 14px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-cta-bar P {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }

        .hero-cta-bar P strong {
            color: var(--text-primary);
            font-weight: 700;
        }

        /* ========== 指标看板 ========== */
        .metrics-section {
            padding-top: 48px;
            padding-bottom: 72px;
        }

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

        .metric-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

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

        .metric-number {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--brand-green);
            line-height: 1.1;
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .metric-unit {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-green);
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 400;
            letter-spacing: 0.01em;
        }

        /* ========== 服务矩阵 ========== */
        .services-section .service-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .services-section .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }

        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-green);
            margin-bottom: 14px;
            transition: transform var(--transition-base);
        }

        .service-card:hover .service-icon {
            transform: scale(1.05);
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
            margin-bottom: 12px;
        }

        .service-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .service-link:hover {
            color: var(--brand-green-light);
            text-decoration: underline;
        }

        /* ========== 结果对比 ========== */
        .compare-section .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .compare-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

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

        .compare-card.highlight {
            border-color: var(--border-green);
            background: rgba(0, 230, 118, 0.03);
        }

        .compare-card .compare-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-card .compare-title .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--text-muted);
        }

        .compare-card.highlight .compare-title .dot {
            background: var(--brand-green);
            box-shadow: 0 0 10px rgba(0, 230, 118, 0.5);
        }

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

        .compare-list li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid rgba(35, 43, 58, 0.5);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .compare-list li .icon {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
            flex-shrink: 0;
        }

        .compare-list li .icon.good {
            background: rgba(0, 230, 118, 0.15);
            color: var(--brand-green);
        }

        .compare-list li .icon.muted {
            background: rgba(90, 100, 114, 0.15);
            color: var(--text-muted);
        }

        /* ========== 场景专题 ========== */
        .scene-section .scene-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .scene-card img {
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
        }

        .scene-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .scene-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }

        /* ========== 里程碑 ========== */
        .milestone-section .timeline-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .timeline-grid::before {
            content: '';
            position: absolute;
            top: 18px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: var(--border-color);
            z-index: 0;
        }

        .timeline-item {
            position: relative;
            z-index: 1;
            text-align: center;
            cursor: default;
        }

        .timeline-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--brand-green);
            border: 3px solid var(--bg-primary);
            box-shadow: 0 0 0 2px var(--brand-green);
            margin: 0 auto 12px;
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }

        .timeline-item:hover .timeline-dot {
            transform: scale(1.15);
            box-shadow: 0 0 0 2px var(--brand-green), 0 0 18px rgba(0, 230, 118, 0.45);
        }

        .timeline-year {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-green);
            margin-bottom: 4px;
        }

        .timeline-text {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.5;
            max-width: 160px;
            margin: 0 auto;
        }

        /* ========== 资讯列表 ========== */
        .news-section .news-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            margin-bottom: 14px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .news-section .news-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }

        .news-thumb {
            width: 80px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #1B2230;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 4px;
            letter-spacing: 0.03em;
        }

        .news-content h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .news-content p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .btn-outline-sm {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-green);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 4px 12px;
            text-decoration: none;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }

        .btn-outline-sm:hover {
            background: var(--brand-green);
            color: var(--bg-primary);
            border-color: var(--brand-green);
        }

        /* ========== 平台保障 ========== */
        .trust-section .trust-item {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
            padding: 16px 14px;
            background: rgba(20, 26, 36, 0.5);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .trust-section .trust-item:hover {
            background: var(--bg-secondary);
            border-color: var(--border-color);
        }

        .trust-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: rgba(0, 230, 118, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand-green);
        }

        .trust-item h3 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 0;
        }

        .trust-item p {
            font-size: 12px;
            color: var(--text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== 快速解答 ========== */
        .quick-faq-section .quick-faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            margin-bottom: 10px;
            transition: background var(--transition-base), border-color var(--transition-base);
        }

        .quick-faq-section .quick-faq-item:hover {
            background: var(--bg-hover);
            border-color: var(--border-hover);
        }

        .quick-faq-item .quick-q {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .quick-faq-item .quick-a {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 品牌介绍 ========== */
        .brand-section .brand-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 24px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .brand-text {
            flex: 1;
            min-width: 280px;
        }

        .brand-text p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .brand-text p strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .brand-image {
            width: 200px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .brand-image img {
            width: 100%;
            aspect-ratio: 4/5;
            object-fit: cover;
        }

        /* ========== FAQ ========== */
        .faq-section .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition-base), background var(--transition-base);
        }

        .faq-section .faq-item:hover {
            background: var(--bg-hover);
            border-color: var(--border-hover);
        }

        .faq-section .faq-item.open {
            border-color: var(--border-green);
        }

        .faq-question {
            width: 100%;
            background: transparent;
            border: none;
            padding: 14px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            text-align: left;
            transition: color var(--transition-fast);
        }

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

        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-secondary);
            transition: transform var(--transition-slow);
        }

        .faq-arrow.open {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 16px;
        }

        .faq-answer.open {
            max-height: 220px;
            padding: 0 16px 16px;
        }

        .faq-answer p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 转化表单 ========== */
        .form-section .form-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            max-width: 560px;
            margin: 0 auto;
        }

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

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

        .form-group input,
        .form-group select {
            width: 100%;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 12px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            font-family: var(--font-family);
        }

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

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
            outline: none;
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239BA6B5' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }

        .privacy-note {
            font-size: 11px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== CTA 收尾 ========== */
        .cta-final-section .cta-final {
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.06) 0%, rgba(10, 14, 20, 0.8) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-final h2 {
            font-size: clamp(22px, 2.8vw, 30px);
            margin-bottom: 10px;
        }

        .cta-final p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 18px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

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

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .footer-brand .footer-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-primary);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 260px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

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

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

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

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) and (min-width: 768px) {
            .section-pad {
                padding-top: var(--section-padding-tablet);
                padding-bottom: var(--section-padding-tablet);
            }

            .hero-bento {
                grid-template-columns: 1fr 1fr;
            }

            .hero-main {
                grid-row: auto;
                grid-column: 1 / -1;
                min-height: 340px;
            }

            .hero-cta-bar {
                grid-column: 1 / -1;
            }

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

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

            .timeline-grid::before {
                display: none;
            }

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

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

        @media (max-width: 767px) {
            .section-pad {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }

            .dock-header {
                top: auto;
                bottom: 12px;
                left: 50%;
                transform: translateX(-50%);
                width: calc(100% - 24px);
                border-radius: 14px;
            }

            .dock-nav {
                display: none;
            }

            .dock-cta {
                display: none;
            }

            .dock-burger {
                display: flex;
            }

            .mobile-drawer {
                display: flex;
            }

            .hero-section {
                padding-top: 20px;
                padding-bottom: 20px;
                min-height: auto;
                margin-bottom: 80px;
            }

            .hero-main {
                grid-column: 1 / -1;
                grid-row: auto;
                min-height: 320px;
                padding: 24px 20px;
            }

            .hero-bento {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .hero-small-card {
                min-height: 90px;
                padding: 14px 16px;
            }

            .hero-cta-bar {
                grid-column: 1 / -1;
                flex-direction: column;
                text-align: center;
                padding: 12px 16px;
            }

            .hero-main-content h1 {
                font-size: clamp(22px, 6vw, 30px);
            }

            .hero-main-content p {
                font-size: 14px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }

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

            .services-section .grid-x {
                gap: 12px;
            }

            .compare-section .compare-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .milestone-section .timeline-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .timeline-grid::before {
                display: none;
            }

            .news-section .news-item {
                flex-direction: column;
                gap: 10px;
                padding: 14px;
            }

            .news-thumb {
                width: 100%;
                height: 140px;
            }

            .brand-section .brand-card {
                flex-direction: column;
                padding: 20px 16px;
            }

            .brand-image {
                width: 100%;
                order: -1;
            }

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

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

            .form-section .form-card {
                padding: 20px 16px;
            }
        }

        @media (max-width: 520px) {
            .dock-inner {
                padding: 8px 14px;
                gap: 10px;
                min-height: 52px;
            }

            .dock-logo {
                font-size: 16px;
            }

            .dock-burger {
                width: 36px;
                height: 36px;
            }

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

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

            .hero-main {
                min-height: 280px;
            }
        }

        /* 数字滚动动效辅助类 */
        .count-up {
            transition: all var(--transition-slow);
        }

        /* 直播状态呼吸动效 */
        .live-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--brand-green);
            color: var(--bg-primary);
            font-size: 11px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            padding: 4px 8px;
            animation: pulse-breathe 2s ease-in-out infinite;
        }

        @keyframes pulse-breathe {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0E14;
            --bg-secondary: #141A24;
            --bg-hover: #1B2230;
            --bg-deep: #070A0F;
            --brand-green: #00E676;
            --brand-green-dark: #00C853;
            --brand-green-light: #66FFA6;
            --text-primary: #F2F5F8;
            --text-secondary: #9BA6B5;
            --text-muted: #5A6472;
            --border-color: #232B3A;
            --border-hover: #2E394A;
            --border-green: rgba(0, 230, 118, 0.4);
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-dock: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s ease;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-padding-desktop: 88px;
            --section-padding-tablet: 60px;
            --section-padding-mobile: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            overflow-x: hidden;
            padding-top: 116px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
        }
        a:hover {
            color: var(--brand-green-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 3px;
        }
        button {
            font-family: var(--font-family);
            cursor: pointer;
        }
        input,
        select {
            font-family: var(--font-family);
        }
        .grid-container {
            max-width: var(--container-max);
            padding-left: 16px;
            padding-right: 16px;
        }
        .section-pad {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-sm);
            padding: 5px 12px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: clamp(26px, 3.2vw, 34px);
            font-weight: 700;
            letter-spacing: 0.005em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-sub {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 24px;
        }
        .divider {
            width: 100%;
            height: 1px;
            background: var(--border-color);
            margin: 0;
        }
        .divider-green {
            width: 48px;
            height: 3px;
            background: var(--brand-green);
            border-radius: 2px;
            margin-bottom: 18px;
        }
        /* ========== 浮动 Dock 导航 ========== */
        .dock-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 32px);
            max-width: 1180px;
            border-radius: 16px;
            background: rgba(20, 26, 36, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-dock);
            transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        }
        .dock-header:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
        }
        .dock-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 10px 16px;
            min-height: var(--nav-height);
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .dock-logo:hover {
            color: var(--brand-green);
        }
        .dock-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-primary);
            flex-shrink: 0;
        }
        .dock-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .dock-nav a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: 6px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }
        .dock-nav a::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 3px;
            height: 2px;
            background: transparent;
            border-radius: 1px;
            transition: background var(--transition-fast);
        }
        .dock-nav a:hover {
            color: var(--text-primary);
            background: rgba(242, 245, 248, 0.04);
        }
        .dock-nav a:hover::after {
            background: var(--brand-green);
        }
        .dock-nav a.active {
            color: var(--brand-green);
            font-weight: 600;
        }
        .dock-nav a.active::after {
            background: var(--brand-green);
        }
        .dock-cta {
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--bg-primary);
            background: var(--brand-green);
            border-radius: var(--radius-md);
            padding: 8px 16px;
            border: none;
            line-height: 1.4;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav:hover {
            background: var(--brand-green-dark);
            color: var(--bg-primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 230, 118, 0.3);
        }
        .btn-nav:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .dock-burger {
            display: none;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
            flex-shrink: 0;
        }
        .dock-burger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .dock-burger:hover {
            background: rgba(242, 245, 248, 0.06);
        }
        .dock-burger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .dock-burger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .dock-burger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 分类页头部（非全屏 Hero） ========== */
        .category-head {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            margin-bottom: 28px;
            position: relative;
            overflow: hidden;
        }
        .category-head::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--brand-green);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            user-select: none;
        }
        .breadcrumb .current {
            color: var(--text-secondary);
        }
        .category-head h1 {
            font-size: clamp(32px, 4vw, 42px);
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.2;
            margin: 0 0 12px 0;
            color: var(--text-primary);
            position: relative;
            z-index: 1;
        }
        .category-head .category-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 20px 0;
            max-width: 760px;
            position: relative;
            z-index: 1;
        }
        .category-head .head-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            position: relative;
            z-index: 1;
        }
        .head-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(242, 245, 248, 0.05);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 4px 10px;
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }
        .head-tag:hover {
            border-color: var(--border-green);
            color: var(--brand-green);
        }

        /* ========== 产品卡片主体 ========== */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .product-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }
        .product-card .product-img {
            aspect-ratio: 16/9;
            background: var(--bg-hover);
            overflow: hidden;
            position: relative;
        }
        .product-card .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .product-card:hover .product-img img {
            transform: scale(1.03);
        }
        .product-card .product-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .product-card .product-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .product-card .product-tags .ptag {
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            border-radius: var(--radius-sm);
            padding: 3px 8px;
            letter-spacing: 0.02em;
        }
        .product-card .product-tags .ptag-muted {
            color: var(--text-muted);
            background: rgba(242, 245, 248, 0.05);
            border-color: var(--border-color);
        }
        .product-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin: 0 0 6px 0;
            color: var(--text-primary);
            letter-spacing: 0.01em;
        }
        .product-card .product-desc {
            font-size: 14px;
            line-height: 1.6;
            color: var(--text-secondary);
            margin: 0 0 14px 0;
            flex: 1;
        }
        .product-card .spec-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding: 10px 12px;
            background: var(--bg-deep);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 14px;
        }
        .product-card .spec-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            line-height: 1.5;
        }
        .product-card .spec-item .spec-label {
            color: var(--text-muted);
            font-weight: 400;
            flex-shrink: 0;
            margin-right: 8px;
        }
        .product-card .spec-item .spec-value {
            color: var(--text-secondary);
            font-weight: 500;
            text-align: right;
        }
        .product-card .product-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
            margin-top: auto;
        }
        .product-card .product-link:hover {
            color: var(--brand-green-light);
            text-decoration: underline;
        }
        .product-card .product-link .arrow {
            font-size: 14px;
            line-height: 1;
        }

        /* ========== 数据亮点 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }
        .stat-card .stat-number {
            font-size: 36px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--brand-green);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .stat-card .stat-unit {
            font-size: 16px;
            font-weight: 600;
            color: var(--brand-green);
            margin-left: 2px;
        }
        .stat-card .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 8px;
            line-height: 1.5;
        }

        /* ========== 热门排行 ========== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
        }
        .rank-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-hover);
            transform: translateX(2px);
        }
        .rank-item .rank-num {
            font-size: 22px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--text-muted);
            width: 36px;
            flex-shrink: 0;
            text-align: center;
            letter-spacing: -0.02em;
        }
        .rank-item.top1 .rank-num {
            color: var(--brand-green);
            font-size: 26px;
        }
        .rank-item.top2 .rank-num {
            color: var(--brand-green-light);
        }
        .rank-item.top3 .rank-num {
            color: rgba(0, 230, 118, 0.6);
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .rank-item .rank-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }
        .rank-item .rank-badge {
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            border-radius: var(--radius-sm);
            padding: 3px 8px;
            flex-shrink: 0;
            white-space: nowrap;
        }

        /* ========== 精选推荐 ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .feature-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-hover);
        }
        .feature-card .feature-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-hover);
        }
        .feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .feature-card:hover .feature-img img {
            transform: scale(1.03);
        }
        .feature-card .feature-body {
            padding: 14px 16px 16px;
        }
        .feature-card .feature-body h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px 0;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .feature-card .feature-body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0 0 10px 0;
            line-height: 1.6;
        }
        .feature-card .feature-body .feature-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.25);
            border-radius: var(--radius-sm);
            padding: 3px 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item.active {
            border-color: var(--border-green);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 14px 16px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--bg-hover);
        }
        .faq-item.active .faq-question {
            background: var(--bg-hover);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--brand-green);
            transition: transform var(--transition-slow);
            font-weight: 700;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 16px;
        }
        .faq-item.active .faq-answer {
            max-height: 240px;
            padding-bottom: 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            padding-top: 4px;
            border-top: 1px solid var(--border-color);
        }

        /* ========== 订阅 CTA ========== */
        .subscribe-box {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }
        .subscribe-box .subscribe-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px 0;
            line-height: 1.3;
            letter-spacing: 0.005em;
        }
        .subscribe-box .subscribe-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .subscribe-form input {
            background: var(--bg-deep);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            width: 240px;
            line-height: 1.4;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .subscribe-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
        }
        .subscribe-form button {
            background: var(--brand-green);
            color: var(--bg-primary);
            border: none;
            border-radius: var(--radius-md);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--brand-green-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 230, 118, 0.3);
        }
        .subscribe-form button:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .subscribe-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding-top: 48px;
            padding-bottom: 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .footer-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-primary);
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px 0;
            letter-spacing: 0.02em;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--brand-green);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            body {
                padding-top: 104px;
            }
            .section-pad {
                padding-top: var(--section-padding-tablet);
                padding-bottom: var(--section-padding-tablet);
            }
            .product-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 767px) {
            body {
                padding-top: 88px;
            }
            .section-pad {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .dock-header {
                top: auto;
                bottom: 12px;
                width: calc(100% - 24px);
                max-width: 520px;
                border-radius: 16px;
                transform: translateX(-50%);
                left: 50%;
                top: auto;
            }
            .dock-inner {
                padding: 8px 12px;
                min-height: 56px;
                gap: 8px;
                justify-content: space-between;
            }
            .dock-logo {
                font-size: 16px;
                gap: 6px;
            }
            .dock-logo-icon {
                width: 24px;
                height: 24px;
                font-size: 12px;
                border-radius: 5px;
            }
            .dock-nav {
                display: none;
                position: fixed;
                bottom: 76px;
                left: 50%;
                transform: translateX(-50%);
                width: calc(100% - 24px);
                max-width: 520px;
                background: rgba(20, 26, 36, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                border: 1px solid var(--border-color);
                border-radius: 16px;
                box-shadow: var(--shadow-dock);
                padding: 16px 12px;
                flex-direction: column;
                gap: 4px;
                z-index: 99;
            }
            .dock-nav.open {
                display: flex;
            }
            .dock-nav a {
                font-size: 15px;
                padding: 12px 16px;
                width: 100%;
                text-align: center;
                border-radius: 8px;
            }
            .dock-nav a::after {
                display: none;
            }
            .dock-cta {
                display: flex;
                align-items: center;
                gap: 8px;
            }
            .btn-nav {
                font-size: 13px;
                padding: 7px 12px;
                border-radius: 6px;
            }
            .dock-burger {
                display: flex;
            }
            .category-head {
                padding: 22px 16px;
                border-radius: var(--radius-md);
                margin-bottom: 20px;
            }
            .category-head h1 {
                font-size: 28px;
            }
            .category-head .category-sub {
                font-size: 14px;
            }
            .product-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .stat-number {
                font-size: 28px;
            }
            .subscribe-box {
                padding: 22px 16px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-form button {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media (max-width: 519px) {
            body {
                padding-top: 84px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-number {
                font-size: 24px;
            }
            .category-head h1 {
                font-size: 24px;
            }
            .rank-item {
                padding: 10px 12px;
                gap: 10px;
            }
            .rank-item .rank-num {
                font-size: 18px;
                width: 28px;
            }
            .faq-question {
                font-size: 14px;
                padding: 12px 14px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0E14;
            --bg-secondary: #141A24;
            --bg-hover: #1B2230;
            --bg-deep: #070A0F;
            --brand-green: #00E676;
            --brand-green-dark: #00C853;
            --brand-green-light: #66FFA6;
            --text-primary: #F2F5F8;
            --text-secondary: #9BA6B5;
            --text-muted: #5A6472;
            --border-color: #232B3A;
            --border-hover: #2E394A;
            --border-green: rgba(0, 230, 118, 0.4);
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-dock: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s ease;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-padding-desktop: 88px;
            --section-padding-tablet: 60px;
            --section-padding-mobile: 44px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            overflow-x: hidden;
            padding-top: 100px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-green-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 3px;
        }
        button {
            font-family: var(--font-family);
            cursor: pointer;
        }
        input,
        select {
            font-family: var(--font-family);
        }
        .grid-container {
            max-width: var(--container-max);
            padding-left: 16px;
            padding-right: 16px;
        }
        .section-pad {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-sm);
            padding: 5px 12px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: clamp(26px, 3.2vw, 34px);
            font-weight: 700;
            letter-spacing: 0.005em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-sub {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 24px;
        }
        .divider {
            width: 100%;
            height: 1px;
            background: var(--border-color);
            margin: 0;
        }
        .divider-green {
            width: 48px;
            height: 3px;
            background: var(--brand-green);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        /* ========== 浮动 Dock 导航 ========== */
        .dock-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 32px);
            max-width: 1180px;
            border-radius: 16px;
            background: rgba(20, 26, 36, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-dock);
            transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        }
        .dock-header:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
        }
        .dock-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 18px;
            gap: 16px;
            min-height: var(--nav-height);
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .dock-logo:hover {
            color: var(--brand-green);
        }
        .dock-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-primary);
            flex-shrink: 0;
        }
        .dock-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .dock-nav a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: 6px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .dock-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .dock-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-green);
            border-radius: 2px;
            transition: width var(--transition-base);
        }
        .dock-nav a:hover::after,
        .dock-nav a.active::after {
            width: 20px;
        }
        .dock-nav a.active {
            color: var(--brand-green);
            font-weight: 600;
        }
        .dock-cta {
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 18px;
            border-radius: var(--radius-md);
            background: var(--brand-green);
            color: var(--bg-primary);
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            border: 1px solid var(--brand-green);
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-nav:hover {
            background: var(--brand-green-dark);
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 230, 118, 0.25);
        }
        .dock-burger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px;
            cursor: pointer;
        }
        .dock-burger span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .dock-burger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .dock-burger.active span:nth-child(2) {
            opacity: 0;
        }
        .dock-burger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端抽屉 */
        .dock-mobile-menu {
            display: none;
            background: rgba(20, 26, 36, 0.98);
            border-radius: 0 0 16px 16px;
            border: 1px solid var(--border-color);
            border-top: none;
            padding: 12px 18px 20px;
            flex-direction: column;
            gap: 4px;
        }
        .dock-mobile-menu.open {
            display: flex;
        }
        .dock-mobile-menu a {
            display: block;
            padding: 12px 10px;
            color: var(--text-secondary);
            font-size: 15px;
            border-radius: 8px;
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .dock-mobile-menu a:hover,
        .dock-mobile-menu a.active {
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.06);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding: 16px 0 0;
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb-list li:not(:last-child)::after {
            content: '/';
            color: var(--text-muted);
            margin-left: 4px;
        }
        .breadcrumb-list a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-list a:hover {
            color: var(--brand-green);
        }
        .breadcrumb-list .current {
            color: var(--brand-green);
        }

        /* ========== 分类页首屏 ========== */
        .category-hero {
            padding-top: 24px;
            padding-bottom: 40px;
        }
        .category-hero-content {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .category-hero-title-area {
            flex: 1;
            min-width: 280px;
        }
        .category-hero h1 {
            font-size: clamp(32px, 4.5vw, 42px);
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.2;
            margin: 0 0 12px 0;
            color: var(--text-primary);
        }
        .category-hero-desc {
            font-size: 15px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0;
        }
        .category-hero-stats {
            display: flex;
            gap: 28px;
            flex-shrink: 0;
        }
        .hero-stat-item {
            text-align: center;
            min-width: 80px;
        }
        .hero-stat-number {
            font-size: 32px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--brand-green);
            line-height: 1.2;
        }
        .hero-stat-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        /* ========== 攻略列表主体 ========== */
        .guide-list-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 32px 28px;
            margin-bottom: 56px;
        }
        .guide-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 24px;
        }
        .guide-list-header h2 {
            font-size: 22px;
            font-weight: 700;
            margin: 0;
            color: var(--text-primary);
        }
        .guide-list-count {
            font-size: 13px;
            color: var(--text-muted);
            background: var(--bg-hover);
            padding: 5px 12px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }
        .guide-card {
            display: flex;
            gap: 20px;
            padding: 20px;
            border-radius: var(--radius-lg);
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            margin-bottom: 16px;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .guide-card:last-child {
            margin-bottom: 0;
        }
        .guide-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }
        .guide-card-thumb {
            width: 160px;
            flex-shrink: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
        }
        .guide-card-thumb img {
            width: 100%;
            height: 110px;
            object-fit: cover;
        }
        .guide-card-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: var(--brand-green);
            color: var(--bg-primary);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
            letter-spacing: 0.03em;
        }
        .guide-card-body {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .guide-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 8px 0;
            line-height: 1.4;
        }
        .guide-card-summary {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 12px 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }
        .guide-card-tag {
            font-size: 11px;
            padding: 3px 8px;
            border-radius: 6px;
            background: rgba(0, 230, 118, 0.08);
            color: var(--brand-green);
            border: 1px solid rgba(0, 230, 118, 0.2);
            letter-spacing: 0.03em;
        }
        .guide-card-read {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            background: transparent;
            border: 1px solid var(--brand-green);
            border-radius: var(--radius-md);
            padding: 6px 16px;
            transition: background var(--transition-fast), color var(--transition-fast);
            flex-shrink: 0;
        }
        .guide-card-read:hover {
            background: var(--brand-green);
            color: var(--bg-primary);
        }

        /* ========== 精选推荐 ========== */
        .featured-section {
            margin-bottom: 56px;
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }
        .featured-card-img {
            height: 140px;
            overflow: hidden;
            position: relative;
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.04);
        }
        .featured-card-label {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(10, 14, 20, 0.85);
            color: var(--brand-green);
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 4px;
            border: 1px solid rgba(0, 230, 118, 0.3);
        }
        .featured-card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .featured-card-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 6px 0;
            line-height: 1.45;
        }
        .featured-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0 0 12px 0;
            flex: 1;
        }
        .featured-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            transition: color var(--transition-fast);
        }
        .featured-card-link:hover {
            color: var(--brand-green-light);
        }

        /* ========== 热门排行 ========== */
        .ranking-section {
            margin-bottom: 56px;
        }
        .ranking-list {
            list-style: none;
            margin: 0;
            padding: 0;
            counter-reset: rank;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            transition: transform var(--transition-base), border-color var(--transition-base), background var(--transition-base);
            counter-increment: rank;
        }
        .ranking-item:last-child {
            margin-bottom: 0;
        }
        .ranking-item:hover {
            transform: translateX(4px);
            border-color: var(--border-green);
            background: var(--bg-hover);
        }
        .ranking-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-hover);
            border: 1px solid var(--border-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .ranking-item:nth-child(1) .ranking-number {
            background: rgba(0, 230, 118, 0.12);
            border-color: var(--brand-green);
            color: var(--brand-green);
        }
        .ranking-item:nth-child(2) .ranking-number {
            background: rgba(0, 230, 118, 0.07);
            border-color: rgba(0, 230, 118, 0.4);
            color: var(--text-primary);
        }
        .ranking-item:nth-child(3) .ranking-number {
            background: rgba(0, 230, 118, 0.04);
            border-color: rgba(0, 230, 118, 0.25);
            color: var(--text-secondary);
        }
        .ranking-content {
            flex: 1;
            min-width: 0;
        }
        .ranking-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 2px 0;
        }
        .ranking-meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        .ranking-views {
            font-size: 12px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        /* ========== 标签云 ========== */
        .tag-cloud-section {
            margin-bottom: 56px;
        }
        .tag-cloud-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-chip {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-secondary);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tag-chip:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.06);
        }
        .tag-chip-large {
            font-size: 15px;
            font-weight: 600;
            padding: 10px 22px;
            background: rgba(0, 230, 118, 0.08);
            border-color: rgba(0, 230, 118, 0.3);
            color: var(--brand-green);
        }
        .tag-chip-large:hover {
            background: rgba(0, 230, 118, 0.14);
            color: var(--brand-green-light);
            border-color: var(--brand-green);
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-bottom: 56px;
        }
        .faq-list {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .faq-item {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-base);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item:hover {
            background: var(--bg-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 16px 20px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--brand-green);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform var(--transition-slow);
        }
        .faq-arrow::before,
        .faq-arrow::after {
            content: '';
            position: absolute;
            background: var(--brand-green);
            border-radius: 2px;
            transition: transform var(--transition-slow);
        }
        .faq-arrow::before {
            top: 9px;
            left: 2px;
            width: 16px;
            height: 2px;
        }
        .faq-arrow::after {
            top: 2px;
            left: 9px;
            width: 2px;
            height: 16px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-item.open .faq-arrow::after {
            transform: scaleY(0);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 240px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA 收尾 ========== */
        .cta-strip {
            background: var(--bg-secondary);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-strip-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text-primary);
        }
        .cta-strip-text p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }
        .cta-strip-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            background: var(--brand-green);
            color: var(--bg-primary);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--brand-green);
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-strip-btn:hover {
            background: var(--brand-green-dark);
            color: var(--bg-primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 230, 118, 0.3);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            padding: 48px 0 32px;
            border-top: 1px solid var(--border-color);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            color: var(--bg-primary);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 14px 0;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--brand-green);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1023px) {
            .dock-nav {
                display: none;
            }
            .dock-cta {
                display: none;
            }
            .dock-burger {
                display: flex;
            }
            .dock-mobile-menu {
                display: none;
            }
            .dock-mobile-menu.open {
                display: flex;
            }
            body {
                padding-top: 88px;
            }
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .guide-card-thumb {
                width: 120px;
            }
            .guide-card-thumb img {
                height: 90px;
            }
            .section-pad {
                padding-top: var(--section-padding-tablet);
                padding-bottom: var(--section-padding-tablet);
            }
        }
        @media (max-width: 767px) {
            body {
                padding-top: 76px;
            }
            .dock-header {
                top: 10px;
                width: calc(100% - 20px);
                border-radius: 12px;
            }
            .dock-inner {
                padding: 8px 12px;
                gap: 10px;
                min-height: 52px;
            }
            .dock-logo {
                font-size: 16px;
            }
            .dock-logo-icon {
                width: 24px;
                height: 24px;
                font-size: 12px;
            }
            .dock-burger {
                width: 40px;
                height: 40px;
                padding: 8px;
                gap: 4px;
            }
            .category-hero-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .category-hero-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
            .guide-list-section {
                padding: 20px 16px;
                border-radius: var(--radius-md);
            }
            .guide-card {
                flex-direction: column;
                gap: 12px;
                padding: 16px;
            }
            .guide-card-thumb {
                width: 100%;
            }
            .guide-card-thumb img {
                height: 140px;
            }
            .guide-card-read {
                width: 100%;
                text-align: center;
                justify-content: center;
            }
            .featured-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .ranking-item {
                padding: 14px 16px;
                gap: 12px;
            }
            .ranking-number {
                width: 30px;
                height: 30px;
                font-size: 13px;
            }
            .cta-strip {
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 20px;
            }
            .cta-strip-btn {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .section-pad {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 28px;
            }
            .guide-list-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .hero-stat-number {
                font-size: 26px;
            }
            .hero-stat-label {
                font-size: 11px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

/* roulang page: category1 */
:root {
        --bg-primary: #0A0E14;
        --bg-secondary: #141A24;
        --bg-hover: #1B2230;
        --bg-deep: #070A0F;
        --brand-green: #00E676;
        --brand-green-dark: #00C853;
        --brand-green-light: #66FFA6;
        --text-primary: #F2F5F8;
        --text-secondary: #9BA6B5;
        --text-muted: #5A6472;
        --border-color: #232B3A;
        --border-hover: #2E394A;
        --border-green: rgba(0, 230, 118, 0.4);
        --radius-lg: 12px;
        --radius-md: 8px;
        --radius-sm: 6px;
        --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
        --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
        --shadow-dock: 0 8px 32px rgba(0, 0, 0, 0.5);
        --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
        --transition-fast: 0.15s ease;
        --transition-base: 0.25s ease;
        --transition-slow: 0.3s ease;
        --container-max: 1200px;
        --nav-height: 64px;
        --section-padding-desktop: 88px;
        --section-padding-tablet: 60px;
        --section-padding-mobile: 44px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        margin: 0;
        font-family: var(--font-family);
        background-color: var(--bg-primary);
        color: var(--text-primary);
        font-size: 16px;
        line-height: 1.7;
        font-weight: 400;
        overflow-x: hidden;
        padding-top: 120px;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--brand-green);
        text-decoration: none;
        transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
    }
    a:hover {
        color: var(--brand-green-light);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--brand-green);
        outline-offset: 3px;
    }
    button {
        font-family: var(--font-family);
        cursor: pointer;
    }
    input, select {
        font-family: var(--font-family);
    }
    .grid-container {
        max-width: var(--container-max);
        padding-left: 16px;
        padding-right: 16px;
    }
    .section-pad {
        padding-top: var(--section-padding-desktop);
        padding-bottom: var(--section-padding-desktop);
    }
    .section-pad-sm {
        padding-top: 56px;
        padding-bottom: 56px;
    }
    .section-label {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        color: var(--brand-green);
        background: rgba(0, 230, 118, 0.08);
        border: 1px solid rgba(0, 230, 118, 0.2);
        border-radius: var(--radius-sm);
        padding: 5px 12px;
        margin-bottom: 14px;
    }
    .section-title {
        font-size: clamp(26px, 3.2vw, 34px);
        font-weight: 700;
        letter-spacing: 0.005em;
        line-height: 1.3;
        margin-bottom: 12px;
        color: var(--text-primary);
    }
    .section-sub {
        font-size: 15px;
        line-height: 1.7;
        color: var(--text-secondary);
        max-width: 680px;
        margin-bottom: 24px;
    }
    .divider-green {
        width: 48px;
        height: 3px;
        background: var(--brand-green);
        border-radius: 2px;
        margin-bottom: 18px;
    }
    /* ========== 浮动Dock导航 ========== */
    .dock-header {
        position: fixed;
        top: 16px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 100;
        width: calc(100% - 32px);
        max-width: 1180px;
        border-radius: 16px;
        background: rgba(20, 26, 36, 0.92);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-dock);
        transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
    }
    .dock-header:hover {
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
    }
    .dock-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 10px 18px;
        min-height: var(--nav-height);
    }
    .dock-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        white-space: nowrap;
        letter-spacing: 0.02em;
    }
    .dock-logo:hover {
        color: var(--brand-green);
    }
    .dock-logo-icon {
        width: 28px;
        height: 28px;
        border-radius: 6px;
        background: var(--brand-green);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 800;
        color: var(--bg-primary);
        flex-shrink: 0;
    }
    .dock-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .dock-nav a {
        display: block;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        padding: 8px 12px;
        border-radius: 6px;
        position: relative;
        white-space: nowrap;
        transition: color var(--transition-fast), background-color var(--transition-fast);
    }
    .dock-nav a:hover {
        color: var(--text-primary);
        background: rgba(255, 255, 255, 0.04);
    }
    .dock-nav a.active {
        color: var(--brand-green);
        font-weight: 600;
    }
    .dock-nav a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 2px;
        background: var(--brand-green);
        border-radius: 2px;
    }
    .dock-cta {
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }
    .btn-nav {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 9px 18px;
        background: var(--brand-green);
        color: var(--bg-primary);
        font-size: 14px;
        font-weight: 700;
        border-radius: var(--radius-md);
        white-space: nowrap;
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }
    .btn-nav:hover {
        background: var(--brand-green-dark);
        color: var(--bg-primary);
        transform: translateY(-2px);
        box-shadow: 0 4px 16px rgba(0, 230, 118, 0.3);
    }
    .dock-burger {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        width: 40px;
        height: 40px;
        background: transparent;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 0;
        cursor: pointer;
        flex-shrink: 0;
    }
    .dock-burger span {
        display: block;
        width: 18px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: transform var(--transition-fast), opacity var(--transition-fast);
    }
    .dock-burger[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .dock-burger[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }
    .dock-burger[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
    /* ========== 移动端抽屉 ========== */
    .mobile-drawer {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 14, 20, 0.98);
        z-index: 99;
        padding: 100px 24px 40px;
        flex-direction: column;
        gap: 8px;
        overflow-y: auto;
    }
    .mobile-drawer.open {
        display: flex;
    }
    .mobile-drawer a {
        display: block;
        font-size: 18px;
        font-weight: 600;
        color: var(--text-primary);
        padding: 14px 16px;
        border-radius: 10px;
        border: 1px solid transparent;
        transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
    }
    .mobile-drawer a:hover {
        background: var(--bg-secondary);
        color: var(--brand-green);
        border-color: var(--border-color);
    }
    .mobile-drawer a.active {
        color: var(--brand-green);
        background: rgba(0, 230, 118, 0.08);
        border-color: rgba(0, 230, 118, 0.3);
    }
    .mobile-drawer .drawer-cta {
        margin-top: 16px;
        padding: 14px 16px;
        background: var(--brand-green);
        color: var(--bg-primary);
        text-align: center;
        font-weight: 700;
        border-radius: 10px;
    }
    .mobile-drawer .drawer-cta:hover {
        background: var(--brand-green-dark);
        color: var(--bg-primary);
    }
    /* ========== 面包屑 ========== */
    .breadcrumb {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 20px;
        padding-top: 24px;
    }
    .breadcrumb a {
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }
    .breadcrumb a:hover {
        color: var(--brand-green);
    }
    .breadcrumb .sep {
        color: var(--text-muted);
    }
    .breadcrumb .current {
        color: var(--brand-green);
        font-weight: 600;
    }
    /* ========== 分类页首屏 ========== */
    .cat-hero {
        padding-top: 20px;
        padding-bottom: 56px;
        position: relative;
    }
    .cat-hero::before {
        content: '';
        position: absolute;
        top: -80px;
        right: -120px;
        width: 420px;
        height: 420px;
        background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }
    .cat-hero h1 {
        font-size: clamp(36px, 5vw, 48px);
        font-weight: 700;
        letter-spacing: 0.01em;
        line-height: 1.2;
        margin: 0 0 4px 0;
        color: var(--text-primary);
    }
    .cat-hero .cat-subtitle {
        font-size: 16px;
        color: var(--brand-green);
        font-weight: 500;
        margin-bottom: 16px;
        letter-spacing: 0.03em;
    }
    .cat-hero .cat-desc {
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-secondary);
        max-width: 720px;
        margin-bottom: 24px;
    }
    /* 状态条 */
    .status-ribbon {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 24px;
        padding: 16px 20px;
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
    }
    .status-ribbon .status-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        color: var(--text-secondary);
    }
    .status-ribbon .status-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--brand-green);
        flex-shrink: 0;
        box-shadow: 0 0 8px rgba(0, 230, 118, 0.6);
        animation: pulse-dot 2s ease-in-out infinite;
    }
    .status-ribbon .status-dot.orange {
        background: #FFB74D;
        box-shadow: 0 0 8px rgba(255, 183, 77, 0.6);
        animation: none;
    }
    .status-ribbon .status-dot.blue {
        background: #4FC3F7;
        box-shadow: 0 0 8px rgba(79, 195, 247, 0.6);
        animation: none;
    }
    @keyframes pulse-dot {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.55; }
    }
    /* 图标矩阵 */
    .icon-matrix {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 20px;
    }
    .icon-matrix .matrix-item {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 16px;
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        font-size: 13px;
        color: var(--text-secondary);
        transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }
    .icon-matrix .matrix-item:hover {
        border-color: var(--border-green);
        transform: translateY(-2px);
        box-shadow: var(--shadow-card);
    }
    .icon-matrix .matrix-icon {
        width: 22px;
        height: 22px;
        border-radius: 5px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 11px;
        font-weight: 700;
        flex-shrink: 0;
        letter-spacing: 0;
    }
    .icon-matrix .matrix-icon.moba {
        background: rgba(0, 230, 118, 0.15);
        color: var(--brand-green);
    }
    .icon-matrix .matrix-icon.fps {
        background: rgba(255, 183, 77, 0.15);
        color: #FFB74D;
    }
    .icon-matrix .matrix-icon.mobile {
        background: rgba(79, 195, 247, 0.15);
        color: #4FC3F7;
    }
    .icon-matrix .matrix-icon.battle {
        background: rgba(255, 138, 101, 0.15);
        color: #FF8A65;
    }
    /* ========== 时间线列表 ========== */
    .timeline-section {
        position: relative;
        padding-top: 16px;
        padding-bottom: 24px;
    }
    .timeline-list {
        position: relative;
        padding-left: 0;
        max-width: 900px;
    }
    .timeline-list::before {
        content: '';
        position: absolute;
        top: 8px;
        bottom: 8px;
        left: 72px;
        width: 2px;
        background: var(--border-color);
        border-radius: 1px;
    }
    .timeline-item {
        display: flex;
        align-items: flex-start;
        gap: 24px;
        margin-bottom: 18px;
        position: relative;
        transition: transform var(--transition-base);
    }
    .timeline-item:hover {
        transform: translateX(4px);
    }
    .timeline-date {
        width: 72px;
        flex-shrink: 0;
        text-align: right;
        padding-top: 14px;
        position: relative;
        z-index: 1;
    }
    .timeline-date .date-day {
        font-size: 26px;
        font-weight: 800;
        color: var(--text-primary);
        line-height: 1.1;
        font-variant-numeric: tabular-nums;
    }
    .timeline-date .date-month {
        font-size: 12px;
        color: var(--text-muted);
        letter-spacing: 0.06em;
        text-transform: uppercase;
    }
    .timeline-node {
        position: absolute;
        left: 64px;
        top: 18px;
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: var(--brand-green);
        border: 3px solid var(--bg-primary);
        box-shadow: 0 0 0 2px rgba(0, 230, 118, 0.35);
        z-index: 2;
        transition: transform var(--transition-base), box-shadow var(--transition-base);
    }
    .timeline-item:hover .timeline-node {
        transform: scale(1.15);
        box-shadow: 0 0 0 4px rgba(0, 230, 118, 0.25);
    }
    .timeline-card {
        flex: 1;
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 18px 20px;
        box-shadow: var(--shadow-card);
        transition: border-color var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        min-width: 0;
    }
    .timeline-item:hover .timeline-card {
        border-color: var(--border-green);
        box-shadow: var(--shadow-hover);
    }
    .timeline-card .event-title {
        font-size: 17px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 6px 0;
        line-height: 1.4;
    }
    .timeline-card .event-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 8px;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        font-size: 11px;
        font-weight: 600;
        padding: 3px 8px;
        border-radius: var(--radius-sm);
        letter-spacing: 0.04em;
        white-space: nowrap;
    }
    .badge-green {
        background: rgba(0, 230, 118, 0.12);
        color: var(--brand-green);
        border: 1px solid rgba(0, 230, 118, 0.3);
    }
    .badge-gray {
        background: rgba(90, 100, 114, 0.15);
        color: var(--text-secondary);
        border: 1px solid var(--border-color);
    }
    .badge-orange {
        background: rgba(255, 183, 77, 0.12);
        color: #FFB74D;
        border: 1px solid rgba(255, 183, 77, 0.3);
    }
    .timeline-card .event-summary {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin: 0 0 12px 0;
    }
    .btn-text-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 600;
        color: var(--brand-green);
        transition: color var(--transition-fast), gap var(--transition-fast);
    }
    .btn-text-link:hover {
        color: var(--brand-green-light);
        gap: 10px;
    }
    .btn-text-link .arrow {
        font-size: 16px;
        line-height: 1;
    }
    /* ========== 热门排行 ========== */
    .rank-section {
        background: var(--bg-deep);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .rank-list {
        list-style: none;
        margin: 0;
        padding: 0;
        counter-reset: rank;
    }
    .rank-list li {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 15px 16px;
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 10px;
        transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        counter-increment: rank;
    }
    .rank-list li:hover {
        border-color: var(--border-green);
        transform: translateX(4px);
        box-shadow: var(--shadow-card);
    }
    .rank-list .rank-num {
        width: 36px;
        height: 36px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        font-weight: 800;
        flex-shrink: 0;
        font-variant-numeric: tabular-nums;
    }
    .rank-list li:nth-child(1) .rank-num {
        background: rgba(0, 230, 118, 0.18);
        color: var(--brand-green);
        border: 1px solid rgba(0, 230, 118, 0.4);
    }
    .rank-list li:nth-child(2) .rank-num {
        background: rgba(255, 183, 77, 0.15);
        color: #FFB74D;
        border: 1px solid rgba(255, 183, 77, 0.35);
    }
    .rank-list li:nth-child(3) .rank-num {
        background: rgba(79, 195, 247, 0.15);
        color: #4FC3F7;
        border: 1px solid rgba(79, 195, 247, 0.3);
    }
    .rank-list li:nth-child(n+4) .rank-num {
        background: rgba(90, 100, 114, 0.2);
        color: var(--text-secondary);
        border: 1px solid var(--border-color);
    }
    .rank-list .rank-info {
        flex: 1;
        min-width: 0;
    }
    .rank-list .rank-name {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 3px 0;
        line-height: 1.4;
    }
    .rank-list .rank-tag {
        font-size: 12px;
        color: var(--text-muted);
    }
    .rank-list .rank-heat {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-secondary);
        white-space: nowrap;
        font-variant-numeric: tabular-nums;
    }
    /* ========== 赛事日历 ========== */
    .calendar-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 12px;
    }
    .calendar-cell {
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 16px 14px;
        text-align: center;
        transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        cursor: default;
    }
    .calendar-cell:hover {
        border-color: var(--border-green);
        transform: translateY(-3px);
        box-shadow: var(--shadow-card);
    }
    .calendar-cell.has-event {
        border-color: rgba(0, 230, 118, 0.45);
        background: rgba(0, 230, 118, 0.05);
    }
    .calendar-cell .cal-date {
        font-size: 20px;
        font-weight: 800;
        color: var(--text-primary);
        line-height: 1.2;
        font-variant-numeric: tabular-nums;
    }
    .calendar-cell .cal-weekday {
        font-size: 12px;
        color: var(--text-muted);
        margin-bottom: 6px;
    }
    .calendar-cell .cal-event-name {
        font-size: 12px;
        color: var(--brand-green);
        font-weight: 600;
        line-height: 1.4;
        margin-top: 6px;
    }
    /* ========== 精选推荐 ========== */
    .featured-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 16px;
    }
    .featured-card {
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
        display: flex;
        flex-direction: column;
    }
    .featured-card:hover {
        border-color: var(--border-green);
        transform: translateY(-5px);
        box-shadow: var(--shadow-hover);
    }
    .featured-card .featured-img {
        aspect-ratio: 16/9;
        overflow: hidden;
        position: relative;
    }
    .featured-card .featured-img::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(0deg, rgba(10, 14, 20, 0.25) 0%, transparent 45%);
        pointer-events: none;
    }
    .featured-card .featured-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }
    .featured-card:hover .featured-img img {
        transform: scale(1.04);
    }
    .featured-card .featured-body {
        padding: 16px 18px 18px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .featured-card .featured-title {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 6px 0;
        line-height: 1.4;
    }
    .featured-card .featured-desc {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.6;
        margin-bottom: 12px;
        flex: 1;
    }
    .featured-card .featured-meta {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 12px;
        color: var(--text-muted);
    }
    /* ========== FAQ ========== */
    .faq-list {
        max-width: 820px;
    }
    .faq-item {
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 10px;
        overflow: hidden;
        transition: border-color var(--transition-base), background var(--transition-base);
    }
    .faq-item:hover {
        background: var(--bg-hover);
    }
    .faq-item.open {
        border-color: rgba(0, 230, 118, 0.45);
        background: var(--bg-secondary);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        width: 100%;
        padding: 15px 18px;
        background: transparent;
        border: none;
        text-align: left;
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        cursor: pointer;
        transition: color var(--transition-fast);
    }
    .faq-question:hover {
        color: var(--brand-green);
    }
    .faq-question .faq-arrow {
        width: 14px;
        height: 14px;
        border-right: 2px solid var(--text-muted);
        border-bottom: 2px solid var(--text-muted);
        transform: rotate(45deg);
        transition: transform var(--transition-slow), border-color var(--transition-fast);
        flex-shrink: 0;
    }
    .faq-item.open .faq-question .faq-arrow {
        transform: rotate(225deg);
        border-color: var(--brand-green);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
    }
    .faq-item.open .faq-answer {
        max-height: 400px;
    }
    .faq-answer-inner {
        padding: 0 18px 16px;
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    .faq-item.open .faq-question {
        color: var(--brand-green);
    }
    /* ========== 订阅CTA ========== */
    .cta-section {
        background: var(--bg-deep);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
        padding-top: 64px;
        padding-bottom: 64px;
    }
    .cta-panel {
        background: var(--bg-secondary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        padding: 36px 32px;
        box-shadow: var(--shadow-card);
        max-width: 720px;
        margin: 0 auto;
        text-align: center;
    }
    .cta-panel .cta-title {
        font-size: 24px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 10px 0;
        line-height: 1.3;
    }
    .cta-panel .cta-desc {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 22px;
        line-height: 1.6;
    }
    .subscribe-form {
        display: flex;
        gap: 12px;
        max-width: 480px;
        margin: 0 auto;
        flex-wrap: wrap;
        justify-content: center;
    }
    .subscribe-form input {
        flex: 1;
        min-width: 200px;
        padding: 11px 14px;
        background: var(--bg-primary);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        color: var(--text-primary);
        font-size: 14px;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .subscribe-form input::placeholder {
        color: var(--text-muted);
    }
    .subscribe-form input:focus {
        outline: none;
        border-color: var(--brand-green);
        box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 11px 22px;
        background: var(--brand-green);
        color: var(--bg-primary);
        font-size: 14px;
        font-weight: 700;
        border-radius: var(--radius-md);
        border: none;
        cursor: pointer;
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        white-space: nowrap;
    }
    .btn-primary:hover {
        background: var(--brand-green-dark);
        color: var(--bg-primary);
        transform: translateY(-2px);
        box-shadow: 0 4px 16px rgba(0, 230, 118, 0.3);
    }
    .btn-primary:active {
        transform: translateY(0);
        box-shadow: none;
    }
    .cta-privacy {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: 14px;
    }
    /* ========== 页脚 ========== */
    .site-footer {
        background: var(--bg-deep);
        border-top: 1px solid var(--border-color);
        padding-top: 48px;
        padding-bottom: 28px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 28px;
        margin-bottom: 28px;
    }
    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 20px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
    }
    .footer-logo-icon {
        width: 28px;
        height: 28px;
        border-radius: 6px;
        background: var(--brand-green);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 800;
        color: var(--bg-primary);
        flex-shrink: 0;
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        max-width: 300px;
        margin: 0;
    }
    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-primary);
        margin: 0 0 14px 0;
        letter-spacing: 0.05em;
    }
    .footer-col a {
        display: block;
        font-size: 13px;
        color: var(--text-secondary);
        padding: 5px 0;
        transition: color var(--transition-fast);
    }
    .footer-col a:hover {
        color: var(--brand-green);
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        padding-top: 20px;
        border-top: 1px solid var(--border-color);
        font-size: 13px;
        color: var(--text-muted);
    }
    .footer-bottom a {
        color: var(--text-muted);
        transition: color var(--transition-fast);
    }
    .footer-bottom a:hover {
        color: var(--brand-green);
    }
    /* ========== 响应式断点 ========== */
    @media (max-width: 1023px) {
        body {
            padding-top: 100px;
        }
        .dock-inner {
            flex-wrap: wrap;
            gap: 8px;
            padding: 8px 14px;
        }
        .dock-nav {
            order: 3;
            width: 100%;
            justify-content: flex-start;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 4px;
            gap: 2px;
        }
        .dock-nav a {
            padding: 7px 10px;
            font-size: 13px;
        }
        .dock-cta {
            margin-left: auto;
        }
        .section-pad {
            padding-top: var(--section-padding-tablet);
            padding-bottom: var(--section-padding-tablet);
        }
        .timeline-list::before {
            left: 56px;
        }
        .timeline-date {
            width: 56px;
        }
        .timeline-date .date-day {
            font-size: 20px;
        }
        .timeline-node {
            left: 48px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
    }
    @media (max-width: 767px) {
        body {
            padding-top: 80px;
        }
        .dock-header {
            top: 8px;
            width: calc(100% - 16px);
            border-radius: 12px;
        }
        .dock-inner {
            padding: 6px 10px;
            min-height: 56px;
        }
        .dock-logo {
            font-size: 16px;
        }
        .dock-logo-icon {
            width: 24px;
            height: 24px;
            font-size: 12px;
        }
        .dock-nav {
            display: none;
        }
        .dock-cta .btn-nav {
            display: none;
        }
        .dock-burger {
            display: flex;
        }
        .section-pad {
            padding-top: var(--section-padding-mobile);
            padding-bottom: var(--section-padding-mobile);
        }
        .section-pad-sm {
            padding-top: 36px;
            padding-bottom: 36px;
        }
        .cat-hero {
            padding-top: 8px;
            padding-bottom: 32px;
        }
        .cat-hero h1 {
            font-size: 30px;
        }
        .cat-hero .cat-desc {
            font-size: 14px;
        }
        .status-ribbon {
            gap: 12px;
            padding: 12px 14px;
            flex-wrap: wrap;
        }
        .status-ribbon .status-item {
            font-size: 12px;
        }
        .icon-matrix {
            gap: 8px;
        }
        .icon-matrix .matrix-item {
            padding: 8px 12px;
            font-size: 12px;
        }
        .timeline-list::before {
            left: 12px;
        }
        .timeline-item {
            flex-direction: column;
            gap: 0;
            padding-left: 32px;
            position: relative;
        }
        .timeline-date {
            width: auto;
            text-align: left;
            padding-top: 0;
            margin-bottom: 6px;
            display: flex;
            align-items: baseline;
            gap: 8px;
        }
        .timeline-date .date-day {
            font-size: 18px;
        }
        .timeline-node {
            left: 4px;
            top: 4px;
            width: 14px;
            height: 14px;
        }
        .timeline-card {
            padding: 14px 16px;
        }
        .timeline-card .event-title {
            font-size: 15px;
        }
        .featured-grid {
            grid-template-columns: 1fr;
        }
        .calendar-grid {
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 8px;
        }
        .calendar-cell {
            padding: 12px 10px;
        }
        .calendar-cell .cal-date {
            font-size: 16px;
        }
        .cta-panel {
            padding: 24px 18px;
        }
        .cta-panel .cta-title {
            font-size: 20px;
        }
        .subscribe-form {
            flex-direction: column;
            gap: 10px;
        }
        .subscribe-form input {
            min-width: 100%;
        }
        .btn-primary {
            width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
        }
    }
    @media (max-width: 520px) {
        .breadcrumb {
            font-size: 12px;
        }
        .cat-hero h1 {
            font-size: 26px;
        }
        .section-title {
            font-size: 22px;
        }
        .timeline-card .event-title {
            font-size: 14px;
        }
        .timeline-card .event-summary {
            font-size: 13px;
        }
        .rank-list li {
            padding: 12px;
            gap: 12px;
        }
        .rank-list .rank-num {
            width: 30px;
            height: 30px;
            font-size: 14px;
        }
        .rank-list .rank-name {
            font-size: 14px;
        }
    }

/* roulang page: category4 */
:root {
      --bg-primary: #0A0E14;
      --bg-secondary: #141A24;
      --bg-hover: #1B2230;
      --bg-deep: #070A0F;
      --brand-green: #00E676;
      --brand-green-dark: #00C853;
      --brand-green-light: #66FFA6;
      --text-primary: #F2F5F8;
      --text-secondary: #9BA6B5;
      --text-muted: #5A6472;
      --border-color: #232B3A;
      --border-hover: #2E394A;
      --border-green: rgba(0, 230, 118, 0.4);
      --radius-lg: 12px;
      --radius-md: 8px;
      --radius-sm: 6px;
      --shadow-card: 0 2px 8px rgba(0,0,0,0.25);
      --shadow-hover: 0 8px 24px rgba(0,0,0,0.45);
      --shadow-dock: 0 8px 32px rgba(0,0,0,0.5);
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
      --transition-fast: 0.15s ease;
      --transition-base: 0.25s ease;
      --transition-slow: 0.3s ease;
      --container-max: 1200px;
      --nav-height: 64px;
      --section-padding-desktop: 88px;
      --section-padding-tablet: 60px;
      --section-padding-mobile: 44px;
    }

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

    body {
      margin: 0;
      font-family: var(--font-family);
      background-color: var(--bg-primary);
      color: var(--text-primary);
      font-size: 16px;
      line-height: 1.7;
      font-weight: 400;
      overflow-x: hidden;
    }

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

    a {
      color: var(--brand-green);
      text-decoration: none;
      transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
    }

    a:hover {
      color: var(--brand-green-light);
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible {
      outline: 2px solid var(--brand-green);
      outline-offset: 3px;
    }

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

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

    .grid-container {
      max-width: var(--container-max);
      padding-left: 16px;
      padding-right: 16px;
    }

    .section-pad {
      padding-top: var(--section-padding-desktop);
      padding-bottom: var(--section-padding-desktop);
    }

    .section-label {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--brand-green);
      background: rgba(0, 230, 118, 0.08);
      border: 1px solid rgba(0, 230, 118, 0.2);
      border-radius: var(--radius-sm);
      padding: 5px 12px;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: clamp(26px, 3.2vw, 34px);
      font-weight: 700;
      letter-spacing: 0.005em;
      line-height: 1.3;
      margin-bottom: 12px;
      color: var(--text-primary);
    }

    .section-sub {
      font-size: 15px;
      line-height: 1.7;
      color: var(--text-secondary);
      max-width: 680px;
      margin-bottom: 24px;
    }

    .divider {
      width: 100%;
      height: 1px;
      background: var(--border-color);
      margin: 0;
    }

    .divider-green {
      width: 48px;
      height: 3px;
      background: var(--brand-green);
      border-radius: 2px;
      margin-bottom: 18px;
    }

    /* ========== 浮动 Dock 导航 ========== */
    .dock-header {
      position: fixed;
      top: 16px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 100;
      width: calc(100% - 32px);
      max-width: 1180px;
      border-radius: 16px;
      background: rgba(20, 26, 36, 0.92);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-dock);
      transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
    }

    .dock-header:hover {
      box-shadow: 0 12px 40px rgba(0,0,0,0.55);
    }

    .dock-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 0 20px;
      height: var(--nav-height);
    }

    .dock-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      font-weight: 700;
      color: var(--text-primary);
      white-space: nowrap;
      letter-spacing: 0.02em;
    }

    .dock-logo:hover {
      color: var(--brand-green);
    }

    .dock-logo-icon {
      width: 28px;
      height: 28px;
      border-radius: 6px;
      background: var(--brand-green);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 800;
      color: var(--bg-primary);
      flex-shrink: 0;
    }

    .dock-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: wrap;
      justify-content: center;
    }

    .dock-nav a {
      display: block;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-secondary);
      padding: 8px 12px;
      border-radius: 7px;
      position: relative;
      transition: color var(--transition-fast);
    }

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

    .dock-nav a::after {
      content: '';
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 2px;
      height: 2px;
      background: transparent;
      border-radius: 1px;
      transition: background var(--transition-fast);
    }

    .dock-nav a:hover::after,
    .dock-nav a.active::after {
      background: var(--brand-green);
    }

    .dock-nav a.active {
      color: var(--brand-green);
    }

    .dock-cta {
      flex-shrink: 0;
    }

    .btn-nav {
      display: inline-block;
      padding: 8px 18px;
      border-radius: var(--radius-md);
      background: var(--brand-green);
      color: var(--bg-primary);
      font-weight: 600;
      font-size: 14px;
      transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .btn-nav:hover {
      background: var(--brand-green-dark);
      color: var(--bg-primary);
      transform: translateY(-1px);
      box-shadow: 0 4px 12px rgba(0,230,118,0.25);
    }

    .dock-burger {
      display: none;
      flex-direction: column;
      gap: 5px;
      width: 40px;
      height: 40px;
      background: transparent;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      align-items: center;
      justify-content: center;
      padding: 8px;
    }

    .dock-burger span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
    }

    body {
      padding-top: 100px;
    }

    /* ========== 面包屑 + 页头 ========== */
    .page-head {
      padding-top: 48px;
      padding-bottom: 24px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
      flex-wrap: wrap;
    }

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

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

    .breadcrumb .sep {
      color: var(--text-muted);
    }

    .breadcrumb .current {
      color: var(--brand-green);
    }

    .page-head h1 {
      font-size: clamp(36px, 5vw, 48px);
      font-weight: 700;
      letter-spacing: 0.01em;
      line-height: 1.2;
      margin-bottom: 14px;
      color: var(--text-primary);
    }

    .page-head .lead {
      font-size: 17px;
      line-height: 1.8;
      color: var(--text-secondary);
      max-width: 800px;
      margin-bottom: 8px;
    }

    /* ========== 板块通用 ========== */
    .section-block {
      padding-top: 56px;
      padding-bottom: 56px;
    }

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

    .card {
      background: var(--bg-secondary);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-card);
      padding: 20px;
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    }

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

    /* ========== 战队卡片列表 ========== */
    .team-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .team-card {
      background: var(--bg-secondary);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
      display: flex;
      flex-direction: column;
    }

    .team-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-green);
    }

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

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

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

    .team-card .team-cover .badge-activity {
      position: absolute;
      top: 12px;
      right: 12px;
      background: var(--brand-green);
      color: var(--bg-primary);
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 20px;
      letter-spacing: 0.03em;
    }

    .team-card .team-body {
      padding: 18px 20px 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex: 1;
    }

    .team-card .team-name {
      font-size: 20px;
      font-weight: 700;
      margin: 0;
      line-height: 1.3;
      color: var(--text-primary);
    }

    .team-card .team-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .team-card .team-tags .tag {
      font-size: 11px;
      padding: 3px 10px;
      border-radius: 20px;
      background: rgba(0,230,118,0.08);
      color: var(--brand-green);
      border: 1px solid rgba(0,230,118,0.25);
    }

    .team-card .team-desc {
      font-size: 14px;
      line-height: 1.6;
      color: var(--text-secondary);
      margin: 0;
    }

    .team-card .team-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 4px;
      padding-top: 12px;
      border-top: 1px solid var(--border-color);
    }

    .team-card .team-meta .members {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .team-card .team-meta .dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--brand-green);
      display: inline-block;
    }

    /* ========== 合作战队 ========== */
    .partner-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .partner-card {
      background: var(--bg-secondary);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 18px;
      display: flex;
      gap: 16px;
      align-items: center;
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    }

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

    .partner-card .partner-logo {
      width: 56px;
      height: 56px;
      border-radius: 10px;
      overflow: hidden;
      flex-shrink: 0;
      border: 1px solid var(--border-color);
    }

    .partner-card .partner-logo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .partner-card .partner-info {
      flex: 1;
    }

    .partner-card .partner-name {
      font-size: 16px;
      font-weight: 600;
      margin: 0 0 4px;
      color: var(--text-primary);
    }

    .partner-card .partner-desc {
      font-size: 13px;
      color: var(--text-secondary);
      margin: 0;
      line-height: 1.5;
    }

    /* ========== 数据亮点 ========== */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .stat-card {
      background: var(--bg-secondary);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 22px 20px;
      text-align: center;
      transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    }

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

    .stat-number {
      font-size: 40px;
      font-weight: 800;
      font-variant-numeric: tabular-nums;
      color: var(--brand-green);
      line-height: 1.2;
      margin-bottom: 6px;
      letter-spacing: 0.01em;
    }

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

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

    .tag-cloud .cloud-tag {
      display: inline-block;
      padding: 8px 16px;
      border-radius: var(--radius-md);
      background: var(--bg-secondary);
      border: 1px solid var(--border-color);
      color: var(--text-secondary);
      font-size: 14px;
      transition: all var(--transition-fast);
    }

    .tag-cloud .cloud-tag:hover {
      border-color: var(--brand-green);
      color: var(--brand-green);
      background: rgba(0,230,118,0.06);
    }

    /* ========== FAQ ========== */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-secondary);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color var(--transition-base);
    }

    .faq-item.active {
      border-color: var(--brand-green);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 16px 18px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-primary);
      background: transparent;
      border: none;
      width: 100%;
      text-align: left;
      transition: background var(--transition-fast);
    }

    .faq-question:hover {
      background: var(--bg-hover);
    }

    .faq-question .arrow {
      flex-shrink: 0;
      width: 20px;
      height: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--brand-green);
      transition: transform var(--transition-slow);
    }

    .faq-question .arrow svg {
      width: 16px;
      height: 16px;
    }

    .faq-item.active .faq-question .arrow {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height var(--transition-slow), padding var(--transition-slow);
      padding: 0 18px;
    }

    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 0 18px 18px;
    }

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

    /* ========== CTA ========== */
    .cta-box {
      background: var(--bg-secondary);
      border: 1px solid var(--border-hover);
      border-radius: var(--radius-lg);
      padding: 40px 32px;
      text-align: center;
      box-shadow: var(--shadow-card);
    }

    .cta-box h2 {
      font-size: clamp(24px, 3vw, 32px);
      font-weight: 700;
      margin-bottom: 10px;
    }

    .cta-box p {
      font-size: 15px;
      color: var(--text-secondary);
      max-width: 500px;
      margin: 0 auto 24px;
    }

    .btn-primary {
      display: inline-block;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      background: var(--brand-green);
      color: var(--bg-primary);
      font-weight: 600;
      font-size: 16px;
      border: none;
      cursor: pointer;
      transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .btn-primary:hover {
      background: var(--brand-green-dark);
      color: var(--bg-primary);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(0,230,118,0.25);
    }

    .btn-outline {
      display: inline-block;
      padding: 10px 24px;
      border-radius: var(--radius-md);
      background: transparent;
      color: var(--text-primary);
      font-weight: 600;
      font-size: 15px;
      border: 1px solid var(--text-muted);
      cursor: pointer;
      transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    }

    .btn-outline:hover {
      border-color: var(--brand-green);
      color: var(--brand-green);
      transform: translateY(-1px);
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--bg-deep);
      padding: 48px 0 28px;
      border-top: 1px solid var(--border-color);
      margin-top: 56px;
    }

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

    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 12px;
    }

    .footer-logo-icon {
      width: 30px;
      height: 30px;
      border-radius: 7px;
      background: var(--brand-green);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: 800;
      color: var(--bg-primary);
    }

    .footer-brand p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin: 0;
      max-width: 280px;
    }

    .footer-col h4 {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-primary);
      margin: 0 0 14px;
    }

    .footer-col a {
      display: block;
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 10px;
      transition: color var(--transition-fast);
    }

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

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

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

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

    /* ========== 响应式 ========== */
    @media (max-width: 1023px) {
      :root {
        --section-padding-desktop: 60px;
      }
      .dock-header {
        top: 8px;
        width: calc(100% - 16px);
      }
      body {
        padding-top: 80px;
      }
      .team-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .partner-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
      }
    }

    @media (max-width: 767px) {
      :root {
        --section-padding-desktop: 44px;
      }
      .dock-header {
        top: 0;
        width: 100%;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-top: none;
      }
      .dock-inner {
        height: 60px;
        padding: 0 14px;
      }
      .dock-nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-deep);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 4px;
        padding: 20px;
        z-index: 99;
        overflow-y: auto;
      }
      .dock-nav.open {
        display: flex;
      }
      .dock-nav a {
        font-size: 18px;
        padding: 14px 16px;
        border-bottom: 1px solid var(--border-color);
      }
      .dock-cta {
        display: none;
      }
      .dock-burger {
        display: flex;
      }
      body {
        padding-top: 70px;
      }
      .page-head {
        padding-top: 28px;
        padding-bottom: 16px;
      }
      .page-head h1 {
        font-size: 32px;
      }
      .team-grid {
        grid-template-columns: 1fr;
      }
      .partner-grid {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
      .section-block {
        padding-top: 40px;
        padding-bottom: 40px;
      }
      .cta-box {
        padding: 28px 18px;
      }
    }

/* roulang page: category6 */
:root {
            --bg-primary: #0A0E14;
            --bg-secondary: #141A24;
            --bg-hover: #1B2230;
            --bg-deep: #070A0F;
            --brand-green: #00E676;
            --brand-green-dark: #00C853;
            --brand-green-light: #66FFA6;
            --text-primary: #F2F5F8;
            --text-secondary: #9BA6B5;
            --text-muted: #5A6472;
            --border-color: #232B3A;
            --border-hover: #2E394A;
            --border-green: rgba(0, 230, 118, 0.4);
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-dock: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s ease;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-padding-desktop: 88px;
            --section-padding-tablet: 60px;
            --section-padding-mobile: 44px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-green-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 3px;
        }
        button {
            font-family: var(--font-family);
            cursor: pointer;
            background: none;
            border: none;
        }
        input,
        select {
            font-family: var(--font-family);
        }
        .grid-container {
            max-width: var(--container-max);
            padding-left: 16px;
            padding-right: 16px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-pad {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-sm);
            padding: 5px 12px;
            margin-bottom: 14px;
        }
        .section-title {
            font-size: clamp(26px, 3.2vw, 34px);
            font-weight: 700;
            letter-spacing: 0.005em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-sub {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 24px;
        }
        .divider {
            width: 100%;
            height: 1px;
            background: var(--border-color);
            margin: 0;
        }
        .divider-green {
            width: 48px;
            height: 3px;
            background: var(--brand-green);
            border-radius: 2px;
            margin-bottom: 18px;
        }
        /* ========== 浮动 Dock 导航 ========== */
        .dock-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 32px);
            max-width: 1180px;
            border-radius: 16px;
            background: rgba(20, 26, 36, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-dock);
            transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        }
        .dock-header:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
        }
        .dock-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 20px;
            min-height: var(--nav-height);
            gap: 16px;
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .dock-logo:hover {
            color: var(--brand-green);
        }
        .dock-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-primary);
            flex-shrink: 0;
        }
        .dock-nav {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .dock-nav a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 11px;
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            border-radius: 4px 4px 0 0;
        }
        .dock-nav a:hover {
            color: var(--text-primary);
            border-bottom-color: var(--brand-green);
        }
        .dock-nav a.active {
            color: var(--brand-green);
            border-bottom-color: var(--brand-green);
        }
        .btn-nav {
            display: inline-block;
            background: var(--brand-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 13px;
            padding: 9px 18px;
            border-radius: var(--radius-md);
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            flex-shrink: 0;
        }
        .btn-nav:hover {
            background: var(--brand-green-dark);
            color: var(--bg-primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 230, 118, 0.25);
        }
        .dock-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .dock-burger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .dock-burger[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .dock-burger[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .dock-burger[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        /* 移动端抽屉 */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 84px;
            left: 16px;
            right: 16px;
            z-index: 99;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            padding: 16px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            display: block;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            padding: 10px 12px;
            border-radius: var(--radius-md);
            transition: background var(--transition-fast), color var(--transition-fast);
        }
        .mobile-drawer a:hover {
            background: var(--bg-hover);
            color: var(--brand-green);
        }
        .mobile-drawer a.active {
            background: rgba(0, 230, 118, 0.08);
            color: var(--brand-green);
        }
        /* 主体顶部空间 */
        .page-top-space {
            padding-top: 140px;
        }
        @media (max-width: 1024px) {
            .dock-nav {
                display: none;
            }
            .dock-cta {
                display: none;
            }
            .dock-burger {
                display: flex;
            }
        }
        @media (max-width: 768px) {
            .dock-header {
                top: 8px;
                width: calc(100% - 16px);
            }
            .dock-inner {
                padding: 8px 14px;
                min-height: 56px;
            }
            .dock-logo {
                font-size: 16px;
            }
            .mobile-drawer {
                top: 68px;
                left: 8px;
                right: 8px;
            }
            .page-top-space {
                padding-top: 100px;
            }
            .section-pad {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
        }
        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--brand-green);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--brand-green);
            font-weight: 500;
        }
        /* ========== 页面头部 ========== */
        .page-header-news {
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 48px;
        }
        .page-header-news h1 {
            font-size: clamp(32px, 4vw, 42px);
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.2;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .page-header-news .header-sub {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
        }
        /* ========== 新闻列表 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 40px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            position: relative;
        }
        .news-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }
        .news-item-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 92px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-hover);
        }
        .news-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item-body {
            flex: 1;
            min-width: 0;
        }
        .news-item-date {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            font-weight: 400;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-item-date .tag-dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-green);
        }
        .news-item-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-item-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-item .btn-read-more {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            padding: 6px 14px;
            border: 1px solid var(--border-green);
            border-radius: var(--radius-md);
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }
        .news-item .btn-read-more:hover {
            background: var(--brand-green);
            color: var(--bg-primary);
            border-color: var(--brand-green);
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                padding: 16px;
                gap: 12px;
            }
            .news-item-thumb {
                width: 100%;
                height: 160px;
            }
        }
        /* ========== 热门排行 ========== */
        .ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .ranking-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            transition: border-color var(--transition-base), transform var(--transition-base);
        }
        .ranking-list li:hover {
            border-color: var(--border-green);
            transform: translateX(4px);
        }
        .rank-number {
            font-size: 24px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--brand-green);
            min-width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-meta {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* ========== 标签云 ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-chip {
            display: inline-block;
            font-size: 13px;
            font-weight: 500;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.07);
            border: 1px solid var(--border-green);
            border-radius: 20px;
            padding: 7px 16px;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
        }
        .tag-chip:hover {
            background: rgba(0, 230, 118, 0.16);
            color: var(--brand-green-light);
            transform: translateY(-2px);
        }
        /* ========== 精选推荐卡片 ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .featured-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }
        .featured-card-img {
            width: 100%;
            height: 160px;
            overflow: hidden;
            background: var(--bg-hover);
        }
        .featured-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-card:hover .featured-card-img img {
            transform: scale(1.04);
        }
        .featured-card-body {
            padding: 16px 18px;
        }
        .featured-card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .featured-card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .featured-card-tag {
            font-size: 12px;
            color: var(--brand-green);
        }
        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        /* ========== 订阅 CTA ========== */
        .subscribe-cta {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-info {
            flex: 1;
            min-width: 240px;
        }
        .subscribe-info h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .subscribe-info p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }
        .subscribe-form input {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            color: var(--text-primary);
            font-size: 14px;
            width: 240px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .subscribe-form input:focus {
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
            outline: none;
        }
        .subscribe-form .btn-primary {
            background: var(--brand-green);
            color: var(--bg-primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }
        .subscribe-form .btn-primary:hover {
            background: var(--brand-green-dark);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .subscribe-cta {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form .btn-primary {
                width: 100%;
            }
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-base);
        }
        .faq-item.open {
            border-color: var(--border-green);
            border-left: 3px solid var(--brand-green);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 18px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--bg-hover);
        }
        .faq-arrow {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-slow);
            flex-shrink: 0;
            display: inline-block;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--brand-green);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }
        /* ========== 板块交替背景 ========== */
        .section-alt {
            background: rgba(20, 26, 36, 0.4);
        }
        .section-divider {
            height: 1px;
            background: var(--border-color);
            margin: 0;
        }
        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            padding-top: 48px;
            padding-bottom: 24px;
            border-top: 1px solid var(--border-color);
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 24px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .footer-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-primary);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-secondary);
        }
        .footer-bottom a:hover {
            color: var(--brand-green);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0A0E14;
            --bg-secondary: #141A24;
            --bg-hover: #1B2230;
            --bg-deep: #070A0F;
            --brand-green: #00E676;
            --brand-green-dark: #00C853;
            --brand-green-light: #66FFA6;
            --text-primary: #F2F5F8;
            --text-secondary: #9BA6B5;
            --text-muted: #5A6472;
            --border-color: #232B3A;
            --border-hover: #2E394A;
            --border-green: rgba(0, 230, 118, 0.4);
            --radius-lg: 12px;
            --radius-md: 8px;
            --radius-sm: 6px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
            --shadow-dock: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.3s ease;
            --container-max: 1200px;
            --nav-height: 64px;
            --section-padding-desktop: 88px;
            --section-padding-tablet: 60px;
            --section-padding-mobile: 44px;
        }

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

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

        body {
            margin: 0;
            font-family: var(--font-family);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            font-size: 16px;
            line-height: 1.7;
            font-weight: 400;
            overflow-x: hidden;
            padding-top: 96px;
            min-height: 100vh;
        }

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

        a {
            color: var(--brand-green);
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-base), transform var(--transition-base);
        }
        a:hover {
            color: var(--brand-green-light);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-green);
            outline-offset: 3px;
        }

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

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

        .grid-container {
            max-width: var(--container-max);
            padding-left: 16px;
            padding-right: 16px;
        }

        .section-pad {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-sm);
            padding: 5px 12px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(26px, 3.2vw, 34px);
            font-weight: 700;
            letter-spacing: 0.005em;
            line-height: 1.3;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .section-sub {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 24px;
        }

        .divider {
            width: 100%;
            height: 1px;
            background: var(--border-color);
            margin: 0;
        }
        .divider-green {
            width: 48px;
            height: 3px;
            background: var(--brand-green);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        .text-accent {
            color: var(--brand-green);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-secondary {
            color: var(--text-secondary);
        }
        .mb-0 { margin-bottom: 0; }
        .mb-8 { margin-bottom: 8px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .mt-8 { margin-top: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }

        /* ========== 浮动 Dock 导航 ========== */
        .dock-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 100;
            width: calc(100% - 32px);
            max-width: 1180px;
            border-radius: 16px;
            background: rgba(20, 26, 36, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-dock);
            transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
        }
        .dock-header:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
        }
        .dock-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 12px 20px;
            min-height: 64px;
        }
        .dock-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .dock-logo:hover {
            color: var(--brand-green);
        }
        .dock-logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: var(--bg-primary);
            flex-shrink: 0;
        }
        .dock-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
            flex: 1;
        }
        .dock-nav a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 12px;
            border-radius: 8px;
            position: relative;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast), background-color var(--transition-fast);
        }
        .dock-nav a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--brand-green);
            border-radius: 1px;
            transition: width var(--transition-base);
        }
        .dock-nav a:hover {
            color: var(--text-primary);
            background: rgba(242, 245, 248, 0.04);
        }
        .dock-nav a:hover::after {
            width: 24px;
        }
        .dock-nav a.active {
            color: var(--brand-green);
        }
        .dock-nav a.active::after {
            width: 24px;
        }
        .dock-cta {
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--bg-primary);
            background: var(--brand-green);
            border-radius: 8px;
            padding: 9px 18px;
            letter-spacing: 0.02em;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 2px 6px rgba(0, 230, 118, 0.3);
            white-space: nowrap;
        }
        .btn-nav:hover {
            background: var(--brand-green-dark);
            color: var(--bg-primary);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(0, 230, 118, 0.4);
        }

        .dock-burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            align-items: center;
            justify-content: center;
            background: var(--bg-secondary);
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
            flex-shrink: 0;
        }
        .dock-burger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 1px;
            transition: transform var(--transition-base), opacity var(--transition-base);
        }
        .dock-burger:hover {
            border-color: var(--border-hover);
            background: var(--bg-hover);
        }

        /* ========== 分类页首屏（面包屑 + H1） ========== */
        .academy-hero {
            position: relative;
            padding: 48px 0 56px;
            background-image: url('/assets/images/81acba5f54184b3e.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        .academy-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 20, 0.82) 0%, rgba(10, 14, 20, 0.92) 70%, var(--bg-primary) 100%);
            z-index: 1;
        }
        .academy-hero .grid-container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--brand-green);
        }
        .breadcrumb .breadcrumb-sep {
            color: var(--text-muted);
            opacity: 0.7;
        }
        .breadcrumb [aria-current="page"] {
            color: var(--brand-green);
            font-weight: 500;
        }
        .academy-title {
            font-size: clamp(36px, 5vw, 48px);
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.2;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .academy-subtitle {
            font-size: 18px;
            font-weight: 600;
            color: var(--brand-green);
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }
        .academy-intro {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 0;
        }

        /* ========== 课程卡片主体 ========== */
        .course-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .course-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .course-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }
        .course-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .course-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .course-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
            line-height: 1.4;
        }
        .badge-beginner {
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.1);
            border: 1px solid rgba(0, 230, 118, 0.3);
        }
        .badge-intermediate {
            color: #F5C84C;
            background: rgba(245, 200, 76, 0.1);
            border: 1px solid rgba(245, 200, 76, 0.3);
        }
        .badge-advanced {
            color: #E64C66;
            background: rgba(230, 76, 102, 0.1);
            border: 1px solid rgba(230, 76, 102, 0.3);
        }
        .badge-category {
            color: var(--text-secondary);
            background: var(--bg-hover);
            border: 1px solid var(--border-color);
        }
        .course-card-title {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .course-card-excerpt {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 18px;
            flex: 1;
        }
        .course-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
        }
        .course-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .text-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .text-link:hover {
            color: var(--brand-green-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .text-link i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }
        .text-link:hover i {
            transform: translateX(3px);
        }

        /* ========== 数据亮点 ========== */
        .stats-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 12px 8px;
            border-radius: var(--radius-md);
            transition: transform var(--transition-base), background-color var(--transition-base);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            background: var(--bg-hover);
        }
        .stat-number {
            font-size: 40px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--brand-green);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .stat-unit {
            font-size: 18px;
            font-weight: 700;
            color: var(--brand-green);
            margin-left: 2px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 6px;
            line-height: 1.5;
        }

        /* ========== 精选推荐 ========== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .featured-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .featured-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }
        .featured-card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .featured-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .featured-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--brand-green);
            background: rgba(0, 230, 118, 0.08);
            border: 1px solid rgba(0, 230, 118, 0.2);
            border-radius: var(--radius-sm);
            padding: 3px 8px;
            display: inline-block;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .featured-card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .featured-card-excerpt {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
            flex: 1;
            margin-bottom: 12px;
        }
        .featured-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }
        .featured-link:hover {
            color: var(--brand-green-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        /* ========== 教练团队 ========== */
        .coach-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .coach-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .coach-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-green);
        }
        .coach-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 14px;
            border: 2px solid var(--border-hover);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .coach-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .coach-role {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-green);
            letter-spacing: 0.03em;
            margin-bottom: 10px;
        }
        .coach-bio {
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item.is-open {
            border-color: var(--border-green);
            box-shadow: 0 4px 16px rgba(0, 230, 118, 0.08);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            width: 100%;
            padding: 16px 18px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: transparent;
            border: none;
            cursor: pointer;
            transition: background-color var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--bg-hover);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--text-muted);
            transition: transform var(--transition-slow), color var(--transition-fast);
        }
        .faq-item.is-open .faq-arrow {
            transform: rotate(180deg);
            color: var(--brand-green);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 18px;
        }
        .faq-item.is-open .faq-answer {
            max-height: 300px;
            padding: 0 18px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
            padding-left: 4px;
            border-left: 2px solid var(--brand-green);
            padding-left: 14px;
        }

        /* ========== CTA 转化区 ========== */
        .cta-section {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }
        .cta-panel {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            max-width: 720px;
            margin: 0 auto;
            box-shadow: var(--shadow-card);
            text-align: center;
        }
        .cta-title {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            letter-spacing: 0.01em;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .cta-sub {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 12px;
        }
        .form-field {
            flex: 1 1 200px;
            min-width: 0;
            text-align: left;
        }
        .form-field label {
            display: block;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-muted);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .form-field input,
        .form-field select {
            width: 100%;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 10px 12px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            outline: none;
        }
        .form-field input::placeholder {
            color: var(--text-muted);
        }
        .form-field select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235A6472' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
        }
        .form-field input:focus,
        .form-field select:focus {
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
        }
        .btn-submit {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--bg-primary);
            background: var(--brand-green);
            border: none;
            border-radius: var(--radius-md);
            padding: 11px 28px;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: 0 3px 10px rgba(0, 230, 118, 0.3);
        }
        .btn-submit:hover {
            background: var(--brand-green-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.4);
        }
        .btn-submit:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(0, 230, 118, 0.25);
        }
        .privacy-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-color);
            padding-top: 48px;
            padding-bottom: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-logo-icon {
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--brand-green);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 800;
            color: var(--bg-primary);
            flex-shrink: 0;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
            max-width: 260px;
            margin-bottom: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .footer-col a:hover {
            color: var(--brand-green);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--brand-green);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            body {
                padding-top: 84px;
            }
            .section-pad {
                padding-top: var(--section-padding-tablet);
                padding-bottom: var(--section-padding-tablet);
            }
            .cta-section {
                padding-top: var(--section-padding-tablet);
                padding-bottom: var(--section-padding-tablet);
            }
            .course-grid,
            .featured-grid,
            .coach-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .dock-nav a {
                padding: 8px 8px;
                font-size: 13px;
            }
            .dock-inner {
                padding: 10px 14px;
                gap: 10px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 72px;
            }
            .section-pad {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .cta-section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 24px;
            }
            .course-grid,
            .featured-grid,
            .coach-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            /* 移动端 Dock 导航改为底部固定 */
            .dock-header {
                top: auto;
                bottom: 16px;
                width: calc(100% - 32px);
                border-radius: 16px;
            }
            .dock-inner {
                justify-content: space-between;
                padding: 10px 16px;
                min-height: 56px;
            }
            .dock-nav {
                display: none;
                position: fixed;
                bottom: 84px;
                left: 16px;
                right: 16px;
                background: var(--bg-secondary);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-lg);
                box-shadow: var(--shadow-hover);
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px;
                z-index: 99;
            }
            .dock-nav.is-open {
                display: flex;
            }
            .dock-nav a {
                padding: 12px 16px;
                font-size: 15px;
                text-align: left;
                border-radius: 8px;
            }
            .dock-nav a::after {
                display: none;
            }
            .dock-nav a.active {
                background: rgba(0, 230, 118, 0.1);
            }
            .dock-burger {
                display: flex;
            }
            .dock-cta {
                display: none;
            }
            .academy-hero {
                padding: 32px 0 40px;
            }
            .academy-title {
                font-size: 32px;
            }
            .academy-intro {
                font-size: 15px;
            }
            .course-card-img {
                height: 170px;
            }
            .cta-panel {
                padding: 28px 20px;
            }
            .form-row {
                flex-direction: column;
            }
            .form-field {
                flex: 1 1 auto;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 36px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 6px;
            }
            .academy-subtitle {
                font-size: 16px;
            }
        }

/* roulang page: category7 */
:root {
  --bg-primary: #0A0E14;
  --bg-secondary: #141A24;
  --bg-hover: #1B2230;
  --bg-deep: #070A0F;
  --brand-green: #00E676;
  --brand-green-dark: #00C853;
  --brand-green-light: #66FFA6;
  --text-primary: #F2F5F8;
  --text-secondary: #9BA6B5;
  --text-muted: #5A6472;
  --border-color: #232B3A;
  --border-hover: #2E394A;
  --border-green: rgba(0, 230, 118, 0.4);
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-dock: 0 8px 32px rgba(0, 0, 0, 0.5);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.3s ease;
  --container-max: 1200px;
  --nav-height: 64px;
  --section-padding-desktop: 88px;
  --section-padding-tablet: 60px;
  --section-padding-mobile: 44px;
}

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

body {
  margin: 0;
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  padding-top: 120px;
}

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

a {
  color: var(--brand-green);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

a:hover {
  color: var(--brand-green-light);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--brand-green);
  outline-offset: 3px;
}

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

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

.grid-container {
  max-width: var(--container-max);
  padding-left: 16px;
  padding-right: 16px;
  margin-left: auto;
  margin-right: auto;
}

.section-pad {
  padding-top: var(--section-padding-desktop);
  padding-bottom: var(--section-padding-desktop);
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand-green);
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid rgba(0, 230, 118, 0.2);
  border-radius: var(--radius-sm);
  padding: 5px 12px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(26px, 3.2vw, 34px);
  font-weight: 700;
  letter-spacing: 0.005em;
  line-height: 1.3;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-sub {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 24px;
}

.divider {
  width: 100%;
  height: 1px;
  background: var(--border-color);
  margin: 0;
}

.divider-green {
  width: 48px;
  height: 3px;
  background: var(--brand-green);
  border-radius: 2px;
  margin-bottom: 18px;
}

/* ========== 浮动 Dock 导航 ========== */
.dock-header {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: calc(100% - 32px);
  max-width: 1180px;
  border-radius: 16px;
  background: rgba(20, 26, 36, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-dock);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.dock-header:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
}

.dock-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 20px;
  min-height: var(--nav-height);
}

.dock-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.dock-logo:hover {
  color: var(--brand-green);
}

.dock-logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--brand-green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: var(--bg-primary);
  flex-shrink: 0;
}

.dock-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
  flex: 1;
}

.dock-nav a {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 8px;
  white-space: nowrap;
  position: relative;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.dock-nav a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.dock-nav a.active {
  color: var(--brand-green);
  background: rgba(0, 230, 118, 0.08);
}

.dock-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--brand-green);
  border-radius: 1px;
}

.dock-cta {
  flex-shrink: 0;
}

.btn-nav {
  display: inline-block;
  background: var(--brand-green);
  color: var(--bg-primary);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 8px;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 2px 6px rgba(0, 230, 118, 0.25);
}

.btn-nav:hover {
  background: var(--brand-green-dark);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 230, 118, 0.35);
}

.dock-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  flex-shrink: 0;
}

.dock-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

/* ========== 面包屑与分类头部 ========== */
.breadcrumb-section {
  padding-top: 44px;
  padding-bottom: 0;
}

.breadcrumb-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

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

.breadcrumb-row a:hover {
  color: var(--brand-green);
}

.breadcrumb-row .separator {
  color: var(--text-muted);
}

.breadcrumb-row .current {
  color: var(--brand-green);
  font-weight: 500;
}

.category-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.category-h1 {
  font-size: clamp(34px, 5vw, 44px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0;
}

.category-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  margin: 0;
}

.category-intro {
  max-width: 820px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-top: 12px;
  margin-bottom: 0;
}

/* ========== 卡片通用 ========== */
.card-surface {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card-surface:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
}

/* ========== 视频直播主体卡片 ========== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.video-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}

.video-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-green);
}

.video-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--bg-hover);
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.live-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.02em;
  z-index: 2;
}

.live-badge.live {
  background: var(--brand-green);
  color: var(--bg-primary);
}

.live-badge.live::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bg-primary);
  animation: breathe 2s ease-in-out infinite;
}

.live-badge.preview {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
}

.live-badge.replay {
  background: var(--bg-deep);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

@keyframes breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.duration-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(10, 14, 20, 0.85);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 6px;
  letter-spacing: 0.02em;
  z-index: 2;
}

.video-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.video-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-primary);
  margin: 0 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.video-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 3px 8px;
  letter-spacing: 0.02em;
}

.video-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.btn-sm {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 7px;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
}

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

.btn-secondary:hover {
  border-color: var(--brand-green);
  color: var(--brand-green);
}

.btn-primary {
  background: var(--brand-green);
  color: var(--bg-primary);
  border: 1px solid var(--brand-green);
  box-shadow: 0 2px 6px rgba(0, 230, 118, 0.2);
}

.btn-primary:hover {
  background: var(--brand-green-dark);
  border-color: var(--brand-green-dark);
  color: var(--bg-primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(0, 230, 118, 0.3);
}

.video-meta {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ========== 精选推荐 ========== */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 28px;
}

.featured-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}

.featured-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
}

.featured-thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-hover);
}

.featured-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.featured-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.featured-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-primary);
  margin: 0 0 6px;
}

.featured-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 10px;
}

.featured-tag {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 500;
  color: var(--brand-green);
  background: rgba(0, 230, 118, 0.08);
  border: 1px solid var(--border-green);
  border-radius: 6px;
  padding: 3px 10px;
  margin-top: auto;
}

/* ========== 数据亮点 ========== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.metric-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 16px;
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.metric-value {
  font-size: 38px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--brand-green);
  line-height: 1.2;
  display: block;
  letter-spacing: 0.01em;
}

.metric-unit {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-left: 2px;
}

.metric-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
  display: block;
  line-height: 1.5;
}

/* ========== 热门排行 ========== */
.rank-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  counter-reset: rank-counter;
}

.rank-list li {
  counter-increment: rank-counter;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.rank-list li:hover {
  background: var(--bg-hover);
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.rank-number {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-green);
  font-variant-numeric: tabular-nums;
}

.rank-content {
  flex: 1;
}

.rank-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 3px;
  line-height: 1.4;
}

.rank-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ========== 订阅 CTA 表单 ========== */
.cta-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  margin-top: 40px;
}

.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}

.cta-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.005em;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--text-primary);
}

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

.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select {
  display: block;
  width: 100%;
  background: var(--bg-hover);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 12px;
  font-size: 14px;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--brand-green);
  box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
}

.form-privacy {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 10px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border-color);
  padding-top: 48px;
  padding-bottom: 24px;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}

.footer-brand {
  padding-right: 12px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.footer-logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--brand-green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: var(--bg-primary);
  flex-shrink: 0;
}

.footer-brand p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.03em;
  margin: 0 0 12px;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-muted);
}

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

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

/* ========== 响应式 ========== */
@media (max-width: 1023px) {
  body {
    padding-top: 100px;
  }
  .section-pad {
    padding-top: var(--section-padding-tablet);
    padding-bottom: var(--section-padding-tablet);
  }
  .video-grid,
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  body {
    padding-top: 88px;
  }
  .dock-header {
    top: 10px;
    width: calc(100% - 20px);
    border-radius: 14px;
  }
  .dock-inner {
    padding: 8px 14px;
    min-height: 56px;
  }
  .dock-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    flex-direction: column;
    gap: 2px;
    box-shadow: var(--shadow-dock);
    z-index: 99;
  }
  .dock-nav.open {
    display: flex;
  }
  .dock-nav a {
    width: 100%;
    text-align: center;
    padding: 12px;
    font-size: 15px;
  }
  .dock-cta .btn-nav {
    display: none;
  }
  .dock-burger {
    display: flex;
  }
  .section-pad {
    padding-top: var(--section-padding-mobile);
    padding-bottom: var(--section-padding-mobile);
  }
  .video-grid,
  .featured-grid {
    grid-template-columns: 1fr;
  }
  .metrics-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .metric-value {
    font-size: 30px;
  }
  .cta-section {
    padding: 24px 16px;
  }
  .cta-title {
    font-size: 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}