:root {
            --mtq8-primary: #D42121;
            --mtq8-primary-dark: #A51A1A;
            --mtq8-accent: #2161D4;
            --mtq8-bg-light: #F8F9FA;
            --mtq8-bg-dark: #121212;
            --mtq8-text-main: #2D3436;
            --mtq8-text-muted: #636E72;
            --mtq8-white: #FFFFFF;
            --mtq8-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --mtq8-radius: 16px;
        }

        * {
            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-bg-light);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        .mtq8-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏 */
        .mtq8-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(15px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
        }

        .mtq8-nav-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            flex-wrap: nowrap;
        }

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

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

        .mtq8-nav-links {
            display: flex;
            list-style: none;
            gap: 20px;
            margin-left: 24px;
            flex-wrap: wrap;
        }

        .mtq8-nav-links li {
            min-width: 0;
        }

        .mtq8-nav-links a {
            text-decoration: none;
            color: var(--mtq8-text-main);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
            white-space: nowrap;
        }

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

        /* Hero 区 - 对角线分割布局 */
        .mtq8-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: linear-gradient(135deg, #fff 50%, #fff5f5 50%);
            position: relative;
            overflow: hidden;
        }

        .mtq8-hero::before {
            content: "";
            position: absolute;
            top: 10%;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212,33,33,0.05) 0%, transparent 70%);
            z-index: 0;
        }

        .mtq8-hero-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }

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

        .mtq8-hero-title {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            color: var(--mtq8-bg-dark);
            margin-bottom: 24px;
            font-weight: 800;
        }

        .mtq8-hero-subtitle {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--mtq8-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .mtq8-download-card {
            flex: 1;
            min-width: 320px;
            background: var(--mtq8-white);
            padding: 48px;
            border-radius: var(--mtq8-radius);
            box-shadow: 0 30px 60px rgba(0,0,0,0.1);
            border: 1px solid rgba(212,33,33,0.1);
            text-align: center;
        }

        .mtq8-btn-main {
            display: inline-block;
            background: linear-gradient(90deg, var(--mtq8-primary), #FF5E5E);
            color: white;
            padding: 18px 48px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 18px;
            font-weight: 600;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 10px 20px rgba(212,33,33,0.2);
            margin-bottom: 16px;
        }

        .mtq8-btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(212,33,33,0.3);
        }

        .mtq8-version-info {
            font-size: 13px;
            color: var(--mtq8-text-muted);
        }

        /* 核心效能数据区 */
        .mtq8-metrics {
            padding: 64px 0;
            background: var(--mtq8-bg-dark);
            color: white;
        }

        .mtq8-metrics-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
        }

        .mtq8-metric-item {
            flex: 1;
            min-width: 240px;
            padding: 32px;
            border-left: 2px solid var(--mtq8-primary);
        }

        .mtq8-metric-value {
            font-size: 48px;
            font-weight: 700;
            color: var(--mtq8-primary);
            display: block;
            margin-bottom: 8px;
        }

        .mtq8-metric-name {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .mtq8-metric-context {
            font-size: 14px;
            color: #999;
            word-break: break-word;
        }

        /* 协作修复引擎 */
        .mtq8-workflow {
            padding: 96px 0;
        }

        .mtq8-section-head {
            text-align: center;
            margin-bottom: 64px;
        }

        .mtq8-section-head h2 {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 16px;
        }

        .mtq8-workflow-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

        .mtq8-workflow-card {
            flex: 1;
            min-width: 300px;
            background: white;
            padding: 40px;
            border-radius: var(--mtq8-radius);
            box-shadow: var(--mtq8-shadow);
            transition: transform 0.3s;
        }

        .mtq8-workflow-card:hover {
            transform: translateY(-8px);
        }

        .mtq8-workflow-card h3 {
            font-size: 22px;
            margin-bottom: 16px;
            color: var(--mtq8-primary);
        }

        .mtq8-workflow-desc {
            font-size: 15px;
            color: var(--mtq8-text-muted);
            margin-bottom: 24px;
            padding-bottom: 24px;
            border-bottom: 1px solid #eee;
        }

        .mtq8-workflow-caps {
            list-style: none;
        }

        .mtq8-workflow-caps li {
            font-size: 14px;
            margin-bottom: 10px;
            padding-left: 24px;
            position: relative;
        }

        .mtq8-workflow-caps li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--mtq8-primary);
            font-weight: bold;
        }

        /* 资讯动态 */
        .mtq8-news-section {
            padding: 96px 0;
            background-color: #fff;
        }

        .mtq8-news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .mtq8-news-item {
            padding: 24px;
            border: 1px solid #eee;
            border-radius: 12px;
        }

        /* 页脚 */
        .mtq8-footer {
            background: #f1f2f6;
            padding: 64px 0 32px;
            text-align: center;
        }

        .mtq8-footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: var(--mtq8-text-main);
            margin-bottom: 24px;
        }

        .mtq8-footer-copy {
            font-size: 14px;
            color: var(--mtq8-text-muted);
            border-top: 1px solid #ddd;
            padding-top: 24px;
            margin-top: 24px;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .mtq8-nav-links {
                display: none; /* 简化移动端，实际应有汉堡菜单 */
            }
            .mtq8-hero {
                padding-top: 120px;
                text-align: center;
            }
            .mtq8-hero-wrapper {
                flex-direction: column;
            }
            .mtq8-metric-item {
                text-align: center;
                border-left: none;
                border-bottom: 2px solid var(--mtq8-primary);
            }
        }