/* 全局样式统一 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: Arial, sans-serif;
            color: #333;
            line-height: 1.6;
        }
        .meter-inventory-section {
            padding: 15px 0;
            max-width: 1200px;
            margin: 0 auto;
        }
        /* 可折叠FAQ样式 */
        .faq-item {
            border: 1px solid #eee;
            border-radius: 8px;
            margin-bottom: 10px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }
        .faq-question {
            padding: 15px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #222;
            transition: background 0.2s ease;
        }
        .faq-question:hover {
            background: #f8f9fa;
        }
        .faq-question:after {
            content: "+";
            font-size: 18px;
            color: #2196F3;
            transition: transform 0.2s ease;
        }
        .faq-question.active:after {
            content: "-";
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: #666;
            line-height: 1.6;
        }
        .faq-answer.show {
            padding: 0 20px 20px;
            max-height: 1200px; /* 适配长表格内容 */
        }
        /* BOM替代模块高亮样式 */
        .bom-highlight {
            color: #2196F3;
            font-weight: bold;
        }
        .stat-card {
            transition: transform 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .detail-card {
            transition: box-shadow 0.3s ease;
        }
        .detail-card:hover {
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        /* 样品申请样式 */
        .sample-request {
            background: #e3f2fd;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
            border-left: 4px solid #2196F3;
        }
        .sample-request a {
            color: #2196F3;
            text-decoration: none;
            font-weight: 600;
        }
        .sample-request a:hover {
            text-decoration: underline;
        }
        /* IC清单表格样式 */
        .ic-inventory-table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 1px 4px rgba(0,0,0,0.05);
        }
        .ic-inventory-table th, .ic-inventory-table td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        .ic-inventory-table th {
            background: #f0f8ff;
            color: #222;
            font-weight: 600;
            font-size: 14px;
        }
        .ic-inventory-table td {
            font-size: 13px;
            color: #666;
        }
        .ic-inventory-table tr:hover {
            background: #f8f9fa;
        }
        /* 免费备货服务高亮样式 */
        .stocking-highlight {
            background: #e8f5e9;
            padding: 10px;
            border-radius: 4px;
            color: #2e7d32;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 15px;
        }
        /* RFQ链接样式 */
        .rfq-link {
            color: #2196F3;
            text-decoration: none;
            font-weight: 600;
            font-size: 12px;
            display: inline-block;
            margin-left: 8px;
        }
        .rfq-link:hover {
            text-decoration: underline;
        }