:root {
            --mtq8-primary: #0041FF;
            --mtq8-secondary: #FF4D4F;
            --mtq8-text-main: #1D1D1F;
            --mtq8-text-sub: #424245;
            --mtq8-bg-light: #F5F5F7;
            --mtq8-white: #FFFFFF;
            --mtq8-glass: rgba(255, 255, 255, 0.8);
            --mtq8-transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--mtq8-text-main);
            background-color: var(--mtq8-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .mtq8-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--mtq8-glass);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 0 5%;
        }

        .mtq8-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .mtq8-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .mtq8-logo img {
            height: 32px;
            width: auto;
            display: block;
        }

        .mtq8-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .mtq8-nav-item a {
            text-decoration: none;
            color: var(--mtq8-text-sub);
            font-size: 15px;
            font-weight: 500;
            transition: var(--mtq8-transition);
            word-break: keep-all;
        }

        .mtq8-nav-item a:hover,
        .mtq8-nav-item.active a {
            color: var(--mtq8-primary);
        }

        /* Hero 区 - 独特布局：非对称侧切设计 */
        .mtq8-hero {
            padding: 160px 5% 96px;
            background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .mtq8-hero-container {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
        }

        .mtq8-hero-content {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .mtq8-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            font-weight: 700;
            margin-bottom: 24px;
            background: linear-gradient(to right, #000, #444);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: normal;
        }

        .mtq8-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.4rem);
            color: var(--mtq8-text-sub);
            margin-bottom: 48px;
            max-width: 600px;
        }

        .mtq8-download-card {
            flex: 1;
            min-width: 320px;
            background: var(--mtq8-white);
            padding: 48px;
            border-radius: 32px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(0,0,0,0.03);
            text-align: center;
        }

        .mtq8-btn-main {
            display: inline-block;
            background: var(--mtq8-primary);
            color: white;
            padding: 18px 48px;
            border-radius: 12px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--mtq8-transition);
            margin-bottom: 24px;
            box-shadow: 0 10px 20px rgba(0, 65, 255, 0.2);
        }

        .mtq8-btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0, 65, 255, 0.3);
        }

        .mtq8-os-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            margin-top: 24px;
        }

        .mtq8-os-tag {
            font-size: 13px;
            color: var(--mtq8-text-sub);
            padding: 6px 16px;
            background: var(--mtq8-bg-light);
            border-radius: 20px;
        }

        /* 指标区块 */
        .mtq8-metrics {
            padding: 96px 5%;
            background: var(--mtq8-white);
        }

        .mtq8-grid-container {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
        }

        .mtq8-metric-item {
            padding: 40px;
            border-radius: 24px;
            background: var(--mtq8-bg-light);
            transition: var(--mtq8-transition);
            min-width: 0;
            word-break: break-word;
        }

        .mtq8-metric-item:hover {
            background: #eef2ff;
        }

        .mtq8-metric-value {
            font-size: 48px;
            font-weight: 800;
            color: var(--mtq8-primary);
            margin-bottom: 8px;
            display: block;
        }

        .mtq8-metric-name {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            display: block;
        }

        .mtq8-metric-desc {
            font-size: 15px;
            color: var(--mtq8-text-sub);
        }

        /* 协作引擎技术区块 */
        .mtq8-engine-section {
            padding: 96px 5%;
            background: #050505;
            color: white;
        }

        .mtq8-engine-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .mtq8-engine-header {
            margin-bottom: 64px;
            text-align: center;
        }

        .mtq8-engine-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
        }

        .mtq8-engine-card {
            flex: 1;
            min-width: 320px;
            background: rgba(255, 255, 255, 0.05);
            padding: 48px;
            border-radius: 24px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .mtq8-engine-card h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: #fff;
        }

        .mtq8-tech-tag {
            display: inline-block;
            font-family: monospace;
            background: rgba(0, 65, 255, 0.2);
            color: #4D8BFF;
            padding: 4px 12px;
            border-radius: 4px;
            margin-bottom: 24px;
        }

        .mtq8-capability-list {
            list-style: none;
            margin-top: 32px;
        }

        .mtq8-capability-list li {
            margin-bottom: 16px;
            padding-left: 24px;
            position: relative;
            color: #A1A1A6;
        }

        .mtq8-capability-list li::before {
            content: "→";
            position: absolute;
            left: 0;
            color: var(--mtq8-primary);
        }

        /* 资讯区块 */
        .mtq8-dynamic-section {
            padding: 96px 5%;
            background: var(--mtq8-bg-light);
        }

        .mtq8-section-title {
            text-align: center;
            font-size: 32px;
            margin-bottom: 48px;
        }

        /* 页脚 */
        .mtq8-footer {
            background: var(--mtq8-white);
            padding: 80px 5% 40px;
            border-top: 1px solid #eee;
        }

        .mtq8-footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .mtq8-footer-brand {
            flex: 1;
            min-width: 240px;
        }

        .mtq8-brand-text {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            display: block;
        }

        .mtq8-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .mtq8-link-group {
            min-width: 120px;
        }

        .mtq8-link-group h4 {
            margin-bottom: 20px;
            font-size: 14px;
            color: #888;
            text-transform: uppercase;
        }

        .mtq8-link-group ul {
            list-style: none;
        }

        .mtq8-link-group li {
            margin-bottom: 12px;
        }

        .mtq8-link-group a {
            text-decoration: none;
            color: var(--mtq8-text-sub);
            font-size: 14px;
            transition: var(--mtq8-transition);
        }

        .mtq8-link-group a:hover {
            color: var(--mtq8-primary);
        }

        .mtq8-copyright {
            margin-top: 80px;
            padding-top: 24px;
            border-top: 1px solid #eee;
            text-align: center;
            font-size: 13px;
            color: #999;
            width: 100%;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .mtq8-nav-menu {
                display: none; /* 简化移动端，实际项目中需汉堡菜单 */
            }
            .mtq8-hero {
                padding-top: 120px;
            }
            .mtq8-download-card {
                padding: 32px 24px;
            }
            .mtq8-engine-card {
                padding: 32px;
            }
        }