:root {
            --u08qt-primary: #1890ff;
            --u08qt-primary-hover: #40a9ff;
            --u08qt-dark: #001529;
            --u08qt-text-main: #262626;
            --u08qt-text-sub: #595959;
            --u08qt-bg-light: #f5f7fa;
            --u08qt-white: #ffffff;
            --u08qt-accent: #ff4d4f;
            --u08qt-shadow: 0 8px 24px rgba(0,0,0,0.08);
            --u08qt-radius: 16px;
            --u08qt-container: 1100px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            color: var(--u08qt-text-main);
            background-color: var(--u08qt-bg-light);
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .u08qt-nav-wrapper {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .u08qt-nav-container {
            max-width: var(--u08qt-container);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            flex-wrap: wrap;
        }

        .u08qt-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .u08qt-logo img {
            height: 32px;
            width: auto;
            display: block;
        }

        .u08qt-menu {
            display: flex;
            list-style: none;
            gap: 16px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .u08qt-menu li a {
            text-decoration: none;
            color: var(--u08qt-text-sub);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .u08qt-menu li a:hover {
            color: var(--u08qt-primary);
            background: rgba(24, 144, 255, 0.05);
        }

        .u08qt-menu li a.u08qt-active {
            color: var(--u08qt-primary);
            font-weight: 600;
        }

        /* Hero 区 - 独特卡片浮动结构 */
        .u08qt-hero {
            padding-top: 140px;
            padding-bottom: 96px;
            background: linear-gradient(135deg, #e6f7ff 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .u08qt-hero::before {
            content: "";
            position: absolute;
            top: -10%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(24, 144, 255, 0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .u08qt-hero-content {
            max-width: var(--u08qt-container);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
        }

        .u08qt-hero-text {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .u08qt-hero-title {
            font-size: clamp(2rem, 4vw + 0.5rem, 3.5rem);
            line-height: 1.2;
            color: var(--u08qt-dark);
            margin-bottom: 24px;
            font-weight: 800;
        }

        .u08qt-hero-subtitle {
            font-size: clamp(1rem, 1.2vw + 0.2rem, 1.25rem);
            color: var(--u08qt-text-sub);
            margin-bottom: 40px;
            line-height: 1.8;
            max-width: 600px;
        }

        .u08qt-download-card {
            background: var(--u08qt-white);
            padding: 40px;
            border-radius: var(--u08qt-radius);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            flex: 0 0 400px;
            min-width: 0;
            border: 1px solid rgba(0,0,0,0.03);
            text-align: center;
        }

        .u08qt-btn-primary {
            display: inline-block;
            background: var(--u08qt-primary);
            color: white;
            padding: 16px 48px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 18px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 8px 15px rgba(24, 144, 255, 0.3);
            margin-bottom: 20px;
            width: 100%;
        }

        .u08qt-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 20px rgba(24, 144, 255, 0.4);
            background: var(--u08qt-primary-hover);
        }

        .u08qt-version-info {
            font-size: 14px;
            color: #8c8c8c;
            display: flex;
            justify-content: center;
            gap: 16px;
        }

        /* 智能矩阵区 */
        .u08qt-section {
            padding: 96px 24px;
            max-width: var(--u08qt-container);
            margin: 0 auto;
        }

        .u08qt-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .u08qt-section-tag {
            color: var(--u08qt-primary);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: block;
            margin-bottom: 16px;
        }

        .u08qt-section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            color: var(--u08qt-dark);
            margin-bottom: 16px;
        }

        .u08qt-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .u08qt-matrix-card {
            background: var(--u08qt-white);
            padding: 40px;
            border-radius: var(--u08qt-radius);
            transition: all 0.3s ease;
            border: 1px solid #f0f0f0;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .u08qt-matrix-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--u08qt-shadow);
        }

        .u08qt-matrix-icon {
            font-size: 40px;
            margin-bottom: 8px;
        }

        .u08qt-matrix-name {
            font-size: 24px;
            font-weight: 700;
            color: var(--u08qt-dark);
        }

        .u08qt-matrix-desc {
            color: var(--u08qt-text-sub);
            font-size: 16px;
            line-height: 1.7;
        }

        .u08qt-feature-list {
            list-style: none;
            margin-top: auto;
        }

        .u08qt-feature-list li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--u08qt-text-main);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px dashed #f0f0f0;
        }

        .u08qt-feature-list li::before {
            content: "✓";
            color: var(--u08qt-primary);
            font-weight: bold;
        }

        /* 效率基准区 - 独特横向拉伸布局 */
        .u08qt-stats-container {
            background: var(--u08qt-dark);
            color: white;
            border-radius: 24px;
            padding: 64px;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin: 64px 0;
        }

        .u08qt-stat-item {
            flex: 1;
            min-width: 200px;
            text-align: left;
        }

        .u08qt-stat-value {
            font-size: 48px;
            font-weight: 800;
            display: block;
            margin-bottom: 8px;
            background: linear-gradient(to right, #ffffff, var(--u08qt-primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .u08qt-stat-label {
            font-size: 16px;
            color: #a6adb4;
            line-height: 1.4;
        }

        /* 动态内容区 */
        .u08qt-news-section {
            background: #fff;
            border-radius: var(--u08qt-radius);
            padding: 48px;
            margin-top: 64px;
        }

        /* 页脚 */
        .u08qt-footer {
            background: #f0f2f5;
            padding: 80px 24px 40px;
            border-top: 1px solid #e8e8e8;
        }

        .u08qt-footer-grid {
            max-width: var(--u08qt-container);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .u08qt-footer-brand h3 {
            font-size: 20px;
            margin-bottom: 24px;
            color: var(--u08qt-dark);
        }

        .u08qt-footer-brand p {
            color: var(--u08qt-text-sub);
            font-size: 14px;
        }

        .u08qt-footer-links h4 {
            margin-bottom: 24px;
            font-size: 16px;
            color: var(--u08qt-dark);
        }

        .u08qt-footer-links ul {
            list-style: none;
        }

        .u08qt-footer-links ul li {
            margin-bottom: 12px;
        }

        .u08qt-footer-links ul li a {
            text-decoration: none;
            color: var(--u08qt-text-sub);
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .u08qt-footer-links ul li a:hover {
            color: var(--u08qt-primary);
        }

        .u08qt-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid #d9d9d9;
            font-size: 14px;
            color: #8c8c8c;
            max-width: var(--u08qt-container);
            margin: 0 auto;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .u08qt-nav-container {
                height: auto;
                padding: 16px;
            }
            .u08qt-menu {
                margin-top: 16px;
                justify-content: center;
                width: 100%;
            }
            .u08qt-hero {
                padding-top: 120px;
            }
            .u08qt-download-card {
                flex: 1 1 100%;
                padding: 30px 20px;
            }
            .u08qt-stats-container {
                padding: 32px;
                gap: 24px;
            }
            .u08qt-stat-item {
                flex: 1 1 100%;
            }
        }