:root {
            --x393oe-primary: #005fb8;
            --x393oe-secondary: #00a4ef;
            --x393oe-dark: #1a1a1a;
            --x393oe-light: #f8f9fa;
            --x393oe-accent: #ffb900;
            --x393oe-text: #333333;
            --x393oe-spacing: 8px;
            --x393oe-container-width: 1100px;
            --x393oe-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: var(--x393oe-text);
            background-color: #ffffff;
            word-break: keep-all;
            overflow-x: hidden;
        }

        /* 布局基础 */
        .x393oe-container {
            max-width: var(--x393oe-container-width);
            margin: 0 auto;
            padding: 0 calc(var(--x393oe-spacing) * 3);
            width: 100%;
        }

        /* 导航栏 */
        .x393oe-navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .x393oe-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            min-width: 0;
        }

        .x393oe-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .x393oe-logo img {
            height: 40px;
            width: auto;
        }

        .x393oe-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: calc(var(--x393oe-spacing) * 3);
            min-width: 0;
        }

        .x393oe-nav-menu a {
            text-decoration: none;
            color: var(--x393oe-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--x393oe-transition);
            padding: 4px 0;
            position: relative;
        }

        .x393oe-nav-menu a:hover {
            color: var(--x393oe-primary);
        }

        .x393oe-nav-menu a.active {
            color: var(--x393oe-primary);
        }

        .x393oe-nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--x393oe-primary);
        }

        /* Hero 区块 - 独特非对称布局 */
        .x393oe-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
            overflow: hidden;
        }

        .x393oe-hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .x393oe-hero-content {
            flex: 1;
            min-width: 320px;
        }

        .x393oe-hero-badge {
            display: inline-block;
            background: var(--x393oe-primary);
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .x393oe-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            font-weight: 800;
            color: var(--x393oe-dark);
            margin-bottom: 24px;
            word-break: break-word;
        }

        .x393oe-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.4rem);
            color: #666;
            max-width: 600px;
            margin-bottom: 40px;
        }

        /* 核心技术支柱 - Grid 布局 */
        .x393oe-section-title {
            text-align: center;
            margin-bottom: 64px;
        }

        .x393oe-section-title h2 {
            font-size: clamp(1.8rem, 3vw + 0.5rem, 2.5rem);
            margin-bottom: 16px;
        }

        .x393oe-tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-bottom: 96px;
        }

        .x393oe-tech-card {
            background: #ffffff;
            padding: 40px;
            border-radius: 16px;
            border: 1px solid #eee;
            transition: var(--x393oe-transition);
            position: relative;
            overflow: hidden;
        }

        .x393oe-tech-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border-color: var(--x393oe-primary);
        }

        .x393oe-tech-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--x393oe-primary);
        }

        .x393oe-tech-card p {
            font-size: 1rem;
            color: #555;
            margin-bottom: 20px;
        }

        .x393oe-tech-benefit {
            display: inline-block;
            background: var(--x393oe-light);
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--x393oe-secondary);
        }

        /* 智能操作模式 - 错落式图文 */
        .x393oe-modes-section {
            background-color: var(--x393oe-dark);
            color: white;
            padding: 96px 0;
        }

        .x393oe-mode-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 80px;
        }

        .x393oe-mode-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .x393oe-mode-visual {
            flex: 1;
            min-width: 300px;
            height: 300px;
            background: linear-gradient(45deg, var(--x393oe-primary), var(--x393oe-secondary));
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 5rem;
            opacity: 0.9;
        }

        .x393oe-mode-info {
            flex: 1;
            min-width: 300px;
        }

        .x393oe-mode-info h3 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--x393oe-secondary);
        }

        .x393oe-mode-logic {
            font-size: 1.1rem;
            line-height: 1.8;
            padding-left: 20px;
            border-left: 3px solid var(--x393oe-secondary);
        }

        /* 知识库 - 交互问答 */
        .x393oe-faq-section {
            padding: 96px 0;
            background: #fff;
        }

        .x393oe-faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .x393oe-faq-item {
            margin-bottom: 24px;
            border-bottom: 1px solid #eee;
            padding-bottom: 24px;
        }

        .x393oe-faq-q {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--x393oe-dark);
            display: flex;
            gap: 12px;
        }

        .x393oe-faq-a {
            color: #666;
            font-size: 1.05rem;
            padding-left: 32px;
        }

        /* 动态内容区块 */
        .x393oe-dynamic-news {
            background: var(--x393oe-light);
            padding: 64px 0;
        }

        .x393oe-news-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .x393oe-news-card {
            flex: 1;
            min-width: 280px;
            background: white;
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
        }

        /* 页脚 */
        .x393oe-footer {
            background: #111;
            color: #888;
            padding: 64px 0 32px;
            text-align: center;
        }

        .x393oe-footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 24px;
        }

        .x393oe-footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
            list-style: none;
        }

        .x393oe-footer-links a {
            color: #888;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--x393oe-transition);
        }

        .x393oe-footer-links a:hover {
            color: white;
        }

        .x393oe-copyright {
            font-size: 0.85rem;
            border-top: 1px solid #222;
            padding-top: 32px;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .x393oe-nav-menu {
                display: none; /* 简化移动端，实际可添加汉堡菜单 */
            }
            .x393oe-hero {
                padding-top: 120px;
                text-align: center;
            }
            .x393oe-hero-grid {
                flex-direction: column;
            }
            .x393oe-mode-item {
                flex-direction: column !important;
                text-align: center;
            }
            .x393oe-mode-logic {
                border-left: none;
                border-top: 3px solid var(--x393oe-secondary);
                padding-left: 0;
                padding-top: 20px;
            }
        }