:root {
            --xa698d-primary: #0052D4;
            --xa698d-secondary: #FF4B2B;
            --xa698d-accent: #6FB1FC;
            --xa698d-text: #1E293B;
            --xa698d-text-light: #64748B;
            --xa698d-bg: #F8FAFC;
            --xa698d-white: #FFFFFF;
            --xa698d-shadow: 0 10px 30px rgba(0, 82, 212, 0.08);
            --xa698d-radius: 16px;
        }

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

        body {
            font-family: "Inter", "Microsoft YaHei", sans-serif;
            background-color: var(--xa698d-bg);
            color: var(--xa698d-text);
            line-height: 1.8;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* 布局容器 */
        .xa698d-container {
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 导航栏 */
        .xa698d-header {
            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);
            padding: 16px 0;
        }

        .xa698d-nav-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .xa698d-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .xa698d-logo img {
            height: 32px;
            display: block;
        }

        .xa698d-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            list-style: none;
        }

        .xa698d-menu a {
            text-decoration: none;
            color: var(--xa698d-text);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
            padding: 8px 4px;
            border-bottom: 2px solid transparent;
        }

        .xa698d-menu a:hover {
            color: var(--xa698d-primary);
        }

        .xa698d-menu a.xa698d-active {
            color: var(--xa698d-primary);
            border-bottom-color: var(--xa698d-primary);
        }

        /* Hero 区块 - 独特非对称布局 */
        .xa698d-hero {
            padding: 160px 0 96px;
            background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%);
            position: relative;
            overflow: hidden;
        }

        .xa698d-hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .xa698d-hero-content {
            flex: 1;
            min-width: 320px;
            word-break: break-word;
        }

        .xa698d-hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(to right, #0052D4, #4364F7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .xa698d-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--xa698d-text-light);
            margin-bottom: 32px;
            max-width: 600px;
        }

        .xa698d-hero-visual {
            flex: 1;
            min-width: 320px;
            position: relative;
        }

        /* 模拟同步状态的视觉组件 */
        .xa698d-sync-card {
            background: var(--xa698d-white);
            padding: 32px;
            border-radius: 24px;
            box-shadow: 0 20px 50px rgba(0,0,0,0.1);
            position: relative;
            border: 1px solid rgba(255,255,255,0.5);
        }

        .xa698d-sync-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px;
            border-bottom: 1px solid #f1f5f9;
        }

        .xa698d-sync-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #10b981;
            animation: xa698d-pulse 2s infinite;
        }

        @keyframes xa698d-pulse {
            0% { transform: scale(0.95); opacity: 0.5; }
            50% { transform: scale(1.1); opacity: 1; }
            100% { transform: scale(0.95); opacity: 0.5; }
        }

        /* 核心加速引擎 */
        .xa698d-tech-section {
            padding: 96px 0;
        }

        .xa698d-section-title {
            text-align: center;
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            margin-bottom: 64px;
            font-weight: 700;
        }

        .xa698d-tech-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .xa698d-tech-card {
            flex: 1;
            min-width: 300px;
            background: var(--xa698d-white);
            padding: 40px;
            border-radius: var(--xa698d-radius);
            box-shadow: var(--xa698d-shadow);
            transition: transform 0.3s;
            border: 1px solid transparent;
        }

        .xa698d-tech-card:hover {
            transform: translateY(-8px);
            border-color: var(--xa698d-accent);
        }

        .xa698d-tech-icon {
            font-size: 32px;
            margin-bottom: 24px;
            display: inline-block;
            color: var(--xa698d-primary);
        }

        .xa698d-tech-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .xa698d-tech-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .xa698d-tag {
            background: #EFF6FF;
            color: var(--xa698d-primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 版本矩阵 */
        .xa698d-matrix-section {
            padding: 96px 0;
            background: #1e293b;
            color: #f8fafc;
        }

        .xa698d-matrix-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
        }

        .xa698d-matrix-card {
            flex: 1;
            min-width: 340px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 32px;
            border-radius: var(--xa698d-radius);
            display: flex;
            flex-direction: column;
        }

        .xa698d-matrix-card.xa698d-featured {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--xa698d-accent);
            transform: scale(1.02);
        }

        .xa698d-edition {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .xa698d-target {
            font-size: 14px;
            color: #94a3b8;
            margin-bottom: 24px;
        }

        .xa698d-spec-list {
            list-style: none;
            margin-bottom: 32px;
            flex-grow: 1;
        }

        .xa698d-spec-list li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            font-size: 14px;
        }

        .xa698d-btn {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            text-align: center;
            transition: all 0.3s;
            cursor: pointer;
        }

        .xa698d-btn-primary {
            background: var(--xa698d-primary);
            color: var(--xa698d-white);
        }

        .xa698d-btn-outline {
            border: 2px solid var(--xa698d-accent);
            color: var(--xa698d-accent);
        }

        .xa698d-btn:hover {
            filter: brightness(1.1);
            transform: translateY(-2px);
        }

        /* 知识库 */
        .xa698d-kb-section {
            padding: 96px 0;
        }

        .xa698d-kb-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 24px;
        }

        .xa698d-kb-item {
            background: var(--xa698d-white);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            transition: box-shadow 0.3s;
            text-decoration: none;
            color: inherit;
        }

        .xa698d-kb-item:hover {
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }

        /* 用户反馈 */
        .xa698d-feedback {
            padding: 96px 0;
            background: var(--xa698d-white);
        }

        .xa698d-feedback-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .xa698d-feedback-card {
            flex: 1;
            min-width: 300px;
            padding: 32px;
            border-radius: var(--xa698d-radius);
            background: var(--xa698d-bg);
            position: relative;
        }

        .xa698d-rating {
            color: #f59e0b;
            margin-bottom: 12px;
        }

        /* 页脚 */
        .xa698d-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 64px 0 32px;
        }

        .xa698d-footer-brand {
            font-size: 24px;
            color: var(--xa698d-white);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .xa698d-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            margin-top: 48px;
            padding-top: 48px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        .xa698d-footer-col {
            flex: 1;
            min-width: 200px;
        }

        .xa698d-footer-col h4 {
            color: var(--xa698d-white);
            margin-bottom: 24px;
        }

        .xa698d-footer-col ul {
            list-style: none;
        }

        .xa698d-footer-col li {
            margin-bottom: 12px;
        }

        .xa698d-footer-col a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s;
        }

        .xa698d-footer-col a:hover {
            color: var(--xa698d-white);
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .xa698d-menu {
                display: none; /* 简化移动端处理 */
            }
            .xa698d-hero-visual {
                display: none;
            }
            .xa698d-matrix-card.xa698d-featured {
                transform: none;
            }
        }