/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
        }
        /* 页面容器 */
        .comparison-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 50px 20px;
        }
        /* 标题区域 */
        .page-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .main-title {
            font-size: 32px;
            font-weight: 700;
            color: #0f4c81;
            margin-bottom: 10px;
        }
        .sub-title {
            font-size: 18px;
            color: #666;
            max-width: 900px;
            margin: 0 auto;
        }
        /* 对比表格样式 - 适配多列参数 */
        .comparison-table-wrapper {
            overflow-x: auto; /* 适配小屏幕横向滚动 */
            margin-bottom: 40px;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 1000px; /* 适配多列参数的最小宽度 */
        }
        .comparison-table th,
        .comparison-table td {
            padding: 15px 12px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        .comparison-table th {
            background-color: #0f4c81;
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap; /* 表头文字不换行 */
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tr:hover {
            background-color: #f5f9ff;
        }
        .comparison-table td {
            font-size: 14px;
            color: #444;
            white-space: nowrap; /* 单元格文字不换行 */
        }
        /* 区分SPI/I2C系列 + 高亮Smart Memories料号 */
        .sm-pn {
            font-weight: 600;
            color: #0f4c81;
        }
        .spi-series {
            background-color: #f0f7ff;
        }
        .i2c-series {
            background-color: #f9f0ff;
        }
        /* 补充说明区域 */
        .notes-section {
            background-color: #fff;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            margin-bottom: 30px; /* 新增：与联系方式区域分隔 */
        }
        .notes-title {
            font-size: 18px;
            font-weight: 600;
            color: #0f4c81;
            margin-bottom: 15px;
        }
        .notes-text {
            font-size: 15px;
            color: #555;
            line-height: 1.8;
        }
        /* 新增：联系方式区域样式 */
        .contact-section {
            background-color: #0f4c81;
            color: #fff;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            font-size: 16px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        .contact-section a {
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }
        .contact-section a:hover {
            color: #ffd700; /* 鼠标悬浮变黄，提升交互体验 */
            text-decoration: underline;
        }
        /* 响应式优化：小屏幕缩小内边距 */
        @media (max-width: 768px) {
            .comparison-table th,
            .comparison-table td {
                padding: 12px 8px;
            }
            .main-title {
                font-size: 28px;
            }
            .contact-section {
                font-size: 14px;
                padding: 15px;
            }
        }