:root {
            --u08qt-primary: #D42323;
            --u08qt-primary-hover: #B71C1C;
            --u08qt-accent: #FF5722;
            --u08qt-text-dark: #1D1D1F;
            --u08qt-text-light: #6E6E73;
            --u08qt-bg-gray: #F5F5F7;
            --u08qt-white: #FFFFFF;
            --u08qt-glass: rgba(255, 255, 255, 0.8);
            --u08qt-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --u08qt-radius: 16px;
            --u08qt-container: 1100px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-font-smoothing: antialiased;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--u08qt-bg-gray);
            color: var(--u08qt-text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 布局基础 */
        .u08qt-flex { display: flex; flex-wrap: wrap; }
        .u08qt-child { min-width: 0; }
        .u08qt-container { max-width: var(--u08qt-container); margin: 0 auto; padding: 0 24px; width: 100%; }
        .u08qt-text-break { word-break: keep-all; overflow-wrap: break-word; }

        /* 导航栏 */
        .u08qt-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--u08qt-glass);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .u08qt-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
            flex-wrap: wrap;
        }

        .u08qt-logo {
            flex-shrink: 0;
            margin-right: 32px;
            display: flex;
            align-items: center;
        }

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

        .u08qt-menu {
            display: flex;
            list-style: none;
            gap: 24px;
            flex-wrap: wrap;
        }

        .u08qt-menu a {
            text-decoration: none;
            color: var(--u08qt-text-dark);
            font-size: 15px;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 4px;
            position: relative;
        }

        .u08qt-menu a:hover, .u08qt-menu a.u08qt-active {
            color: var(--u08qt-primary);
        }

        .u08qt-menu a.u08qt-active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--u08qt-primary);
            border-radius: 2px;
        }

        /* Hero 区 - 独特流体转换中心 */
        .u08qt-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at 80% 20%, #FFF5F5 0%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
        }

        .u08qt-hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .u08qt-badge {
            display: inline-block;
            background: rgba(212, 35, 35, 0.1);
            color: var(--u08qt-primary);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .u08qt-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
        }

        .u08qt-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.4rem);
            color: var(--u08qt-text-light);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 转换卡片组件 */
        .u08qt-converter-card {
            background: var(--u08qt-white);
            border-radius: 32px;
            padding: 40px;
            box-shadow: var(--u08qt-shadow);
            border: 1px solid rgba(0,0,0,0.03);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            margin-top: 40px;
        }

        .u08qt-file-zone {
            flex: 1;
            height: 200px;
            border: 2px dashed rgba(212, 35, 35, 0.2);
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            background: #FAFAFA;
            transition: all 0.3s;
            cursor: pointer;
        }

        .u08qt-file-zone:hover {
            background: #FFF9F9;
            border-color: var(--u08qt-primary);
        }

        .u08qt-conv-icon {
            font-size: 40px;
            margin-bottom: 16px;
        }

        .u08qt-btn-primary {
            background: linear-gradient(135deg, var(--u08qt-primary) 0%, var(--u08qt-accent) 100%);
            color: white;
            padding: 18px 48px;
            border-radius: 14px;
            font-size: 18px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .u08qt-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(212, 35, 35, 0.3);
        }

        /* 智能矩阵区 */
        .u08qt-matrix-section {
            padding: 96px 0;
            background-color: var(--u08qt-white);
        }

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

        .u08qt-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
            gap: 32px;
        }

        .u08qt-matrix-card {
            background: var(--u08qt-bg-gray);
            padding: 40px;
            border-radius: var(--u08qt-radius);
            transition: all 0.3s;
        }

        .u08qt-matrix-card:hover {
            background: var(--u08qt-white);
            box-shadow: var(--u08qt-shadow);
            transform: translateY(-8px);
        }

        .u08qt-matrix-name {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--u08qt-primary);
        }

        .u08qt-matrix-tech {
            font-size: 14px;
            color: var(--u08qt-text-light);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 24px;
            display: block;
        }

        .u08qt-matrix-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 24px;
        }

        .u08qt-matrix-tag {
            background: var(--u08qt-white);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 13px;
            border: 1px solid rgba(0,0,0,0.05);
        }

        /* 标杆案例区 */
        .u08qt-benchmark-section {
            padding: 96px 0;
            background: #111111;
            color: var(--u08qt-white);
        }

        .u08qt-benchmark-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 48px;
        }

        .u08qt-benchmark-item {
            border-left: 2px solid var(--u08qt-primary);
            padding-left: 32px;
        }

        .u08qt-benchmark-scale {
            font-size: 18px;
            color: #AAAAAA;
            margin-bottom: 16px;
        }

        .u08qt-benchmark-val {
            font-size: 48px;
            font-weight: 800;
            color: var(--u08qt-primary);
            margin-bottom: 8px;
        }

        .u08qt-benchmark-desc {
            font-size: 16px;
            line-height: 1.6;
        }

        /* 页脚 */
        .u08qt-footer {
            padding: 80px 0 40px;
            background: var(--u08qt-white);
            border-top: 1px solid rgba(0,0,0,0.05);
        }

        .u08qt-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 64px;
            margin-bottom: 64px;
        }

        .u08qt-footer-brand {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .u08qt-footer-links h4 {
            margin-bottom: 24px;
            font-size: 16px;
        }

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

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

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

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

        .u08qt-copyright {
            padding-top: 32px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            color: var(--u08qt-text-light);
            font-size: 13px;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .u08qt-converter-card { flex-direction: column; }
            .u08qt-footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .u08qt-nav-container { padding: 0 20px; height: auto; padding-top: 16px; }
            .u08qt-menu { gap: 12px; justify-content: center; margin-top: 12px; padding-bottom: 16px; }
            .u08qt-hero { padding-top: 180px; }
            .u08qt-matrix-grid { grid-template-columns: 1fr; }
            .u08qt-footer-grid { grid-template-columns: 1fr; gap: 40px; }
        }