/* Css for , Version=1774246037 */
 
        /* 1. 全局和变量定义 */
        :root {
            --si2h6-primary-blue: #0056b3; /* Si Atom Blue */
            --si2h6-text-main: #333;
            --si2h6-bg-color: #f9f9f9;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
            margin: 0;
            padding: 40px 0;
            background-color: var(--si2h6-bg-color);
            color: var(--si2h6-text-main);
            line-height: 1.6;
        }

        header {
            text-align: center;
            margin-bottom: 30px;
        }

        header h1 {
            color: var(--si2h6-primary-blue);
            font-size: 2.5rem;
            margin: 0;
        }
        
        header p {
            color: #666;
            font-size: 1.1rem;
        }

        /* 2. 布局样式：使用 Grid 布局卡片 */
        .si2h6-grid-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr); /* 默认两列 */
            gap: 25px; /* 增加间距 */
            max-width: 1200px;
            margin: 0 auto; /* 居中 */
            padding: 0 25px;
        }

        /* 3. 卡片通用样式 */
        .si2h6-card {
            background: #fff;
            padding: 30px;
            border-radius: 16px; /* 略微圆角 */
            box-shadow: 0 8px 20px rgba(0,0,0,0.06); 
            border: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .si2h6-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,86,179,0.15); /* 蓝色悬停阴影 */
        }

        /* 4. 左侧边条效果 */
        .si2h6-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px; /* 略微加宽 */
            height: 100%;
            background: var(--si2h6-primary-blue);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .si2h6-card:hover::before {
            opacity: 1;
        }

        /* 5. 标题和图标 */
        .si2h6-card h3 {
            font-size: 1.4rem; 
            margin: 0 0 10px 0;
            color: var(--si2h6-primary-blue);
            display: flex;
            align-items: center;
            gap: 12px; /* 增加图标与文字间距 */
            font-weight: 600;
        }

        .si2h6-card svg {
            width: 24px; /* 略微放大图标 */
            height: 24px;
            fill: none;
            stroke: var(--si2h6-primary-blue);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .si2h6-card p {
            font-size: 1.0rem; 
            line-height: 1.6;
            color: #555;
            margin: 0;
        }

        /* 6. 标签样式 */
        .si2h6-tag {
            font-size: 0.9rem;
            display: inline-block;
            margin-top: 15px;
            padding: 5px 12px;
            background: #e6f2ff; /* 浅蓝背景 */
            color: var(--si2h6-primary-blue);
            border-radius: 6px;
            font-weight: 600;
        }

        /* 7. 响应式调整为单列 */
        @media (max-width: 850px) {
            .si2h6-grid-container {
                grid-template-columns: 1fr;
            }
        }