:root {
            --uk3xk0-primary: #FF6A00;
            --uk3xk0-accent: #FFB84D;
            --uk3xk0-text-dark: #222222;
            --uk3xk0-text-light: #666666;
            --uk3xk0-bg-soft: #FFF9F5;
            --uk3xk0-white: #FFFFFF;
            --uk3xk0-shadow: 0 10px 30px rgba(255, 106, 0, 0.1);
            --uk3xk0-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--uk3xk0-white);
            color: var(--uk3xk0-text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 导航栏 */
        .uk3xk0-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 106, 0, 0.1);
        }

        .uk3xk0-nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .uk3xk0-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .uk3xk0-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .uk3xk0-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .uk3xk0-menu a {
            text-decoration: none;
            color: var(--uk3xk0-text-dark);
            font-weight: 500;
            font-size: 1rem;
            transition: var(--uk3xk0-transition);
            white-space: nowrap;
        }

        .uk3xk0-menu a:hover {
            color: var(--uk3xk0-primary);
        }

        /* Hero 区 - 非对称卡片布局 */
        .uk3xk0-hero {
            padding: 160px 24px 96px;
            background: linear-gradient(135deg, #FFF9F5 0%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
        }

        .uk3xk0-hero-content {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .uk3xk0-hero-text {
            flex: 1 1 500px;
            min-width: 0;
            word-break: break-word;
        }

        .uk3xk0-hero-text h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--uk3xk0-text-dark);
            word-break: keep-all;
        }

        .uk3xk0-hero-text p {
            font-size: clamp(1.1rem, 1vw + 0.8rem, 1.4rem);
            color: var(--uk3xk0-text-light);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .uk3xk0-hero-image {
            flex: 1 1 600px;
            min-width: 0;
            position: relative;
        }

        .uk3xk0-hero-image img {
            width: 100%;
            height: auto;
            border-radius: 24px;
            box-shadow: 0 30px 60px rgba(0,0,0,0.1);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--uk3xk0-transition);
        }

        .uk3xk0-hero-image:hover img {
            transform: perspective(1000px) rotateY(0deg);
        }

        .uk3xk0-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .uk3xk0-btn {
            padding: 16px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--uk3xk0-transition);
            display: inline-block;
            text-align: center;
        }

        .uk3xk0-btn-primary {
            background: linear-gradient(90deg, var(--uk3xk0-primary), var(--uk3xk0-accent));
            color: white;
            box-shadow: 0 4px 15px rgba(255, 106, 0, 0.3);
        }

        .uk3xk0-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 106, 0, 0.4);
        }

        /* 核心AI能力区块 */
        .uk3xk0-section-ai {
            padding: 96px 24px;
            background: var(--uk3xk0-white);
        }

        .uk3xk0-container-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

        .uk3xk0-ai-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            align-items: center;
        }

        .uk3xk0-ai-image {
            flex: 1 1 450px;
            min-width: 0;
        }

        .uk3xk0-ai-image img {
            width: 100%;
            height: auto;
            border-radius: 20px;
            display: block;
        }

        .uk3xk0-ai-text {
            flex: 1 1 400px;
            min-width: 0;
            word-break: break-word;
        }

        .uk3xk0-badge {
            background: rgba(255, 106, 0, 0.1);
            color: var(--uk3xk0-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: inline-block;
        }

        .uk3xk0-section-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 2.8rem);
            margin-bottom: 24px;
            line-height: 1.3;
        }

        /* 多端同步区块 */
        .uk3xk0-section-sync {
            padding: 96px 24px;
            background-color: #FAFAFA;
        }

        .uk3xk0-sync-layout {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            flex-direction: row-reverse;
            gap: 64px;
            align-items: center;
        }

        .uk3xk0-sync-image {
            flex: 1 1 600px;
            min-width: 0;
        }

        .uk3xk0-sync-image img {
            width: 100%;
            height: auto;
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .uk3xk0-sync-text {
            flex: 1 1 500px;
            min-width: 0;
        }

        /* 功能卡片网格 */
        .uk3xk0-features-grid {
            padding: 96px 24px;
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .uk3xk0-feature-card {
            background: var(--uk3xk0-white);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid #EEE;
            transition: var(--uk3xk0-transition);
        }

        .uk3xk0-feature-card:hover {
            border-color: var(--uk3xk0-accent);
            transform: translateY(-10px);
            box-shadow: var(--uk3xk0-shadow);
        }

        .uk3xk0-card-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
            color: var(--uk3xk0-primary);
        }

        .uk3xk0-card-title {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--uk3xk0-text-dark);
        }

        /* 动态内容区块 */
        .uk3xk0-news-section {
            padding: 96px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .uk3xk0-news-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 48px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .uk3xk0-news-item {
            padding: 24px 0;
            border-bottom: 1px solid #EEE;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            text-decoration: none;
            color: inherit;
            transition: var(--uk3xk0-transition);
        }

        .uk3xk0-news-item:hover {
            padding-left: 10px;
            color: var(--uk3xk0-primary);
        }

        /* 页脚 */
        .uk3xk0-footer {
            background: #222;
            color: #AAA;
            padding: 80px 24px 40px;
        }

        .uk3xk0-footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .uk3xk0-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .uk3xk0-footer-brand h2 {
            color: var(--uk3xk0-white);
            margin-bottom: 24px;
            font-size: 1.8rem;
        }

        .uk3xk0-footer-links {
            flex: 2 1 600px;
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            min-width: 0;
        }

        .uk3xk0-footer-col {
            flex: 1 1 150px;
            min-width: 0;
        }

        .uk3xk0-footer-col h4 {
            color: var(--uk3xk0-white);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .uk3xk0-footer-col ul {
            list-style: none;
        }

        .uk3xk0-footer-col ul li {
            margin-bottom: 12px;
        }

        .uk3xk0-footer-col a {
            color: #AAA;
            text-decoration: none;
            transition: var(--uk3xk0-transition);
        }

        .uk3xk0-footer-col a:hover {
            color: var(--uk3xk0-accent);
        }

        .uk3xk0-footer-bottom {
            max-width: 1400px;
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid #333;
            text-align: center;
            font-size: 0.9rem;
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .uk3xk0-menu {
                display: none; /* 简化演示：移动端隐藏导航 */
            }
            .uk3xk0-hero {
                padding-top: 120px;
            }
            .uk3xk0-hero-text h1 {
                font-size: 2.5rem;
            }
            .uk3xk0-ai-grid, .uk3xk0-sync-layout {
                flex-direction: column;
            }
            .uk3xk0-ai-image, .uk3xk0-ai-text, .uk3xk0-sync-image, .uk3xk0-sync-text {
                flex: 1 1 100%;
            }
        }