HTML合并单元格、折叠边框

 <el-table :data="List"  ref="List"  border
                          style="width: 100%; max-height: 600px; white-space: nowrap" >
                    <el-table-column>
                        <template slot-scope="{row}">
                            <table border="1">
                                <tr align="center">
                                    <td colspan="2">设备管理卡</td>
                                </tr>
                                <tr align="center">
                                    <td colspan="2">名称：{{row.NameStr}}</td>
                                </tr>
                                <tr align="center">
                                    <td>编号：{{row.NumberStr}}</td>
                                    <td rowspan="2">二维码</td>
                                </tr>
                                <tr align="center">
                                    <td>位置：{{row.Addr}}</td>

                                </tr>
                                <tr align="center">
                                    <td colspan="2">image重庆德飞检验检测有限公司image</td>
                                </tr>
                            </table>
                        </template>
                    </el-table-column>
                </el-table>

table {
            border-collapse: collapse;
        }

        table, th,  {
            border: 1px solid red;
        }

        .equip-card {
            width: 80%;
            margin: 10px auto;
            border: 2px solid #000;
            border-collapse: collapse
        }

        .equip-card tr {
            height: 50px;
        }

        .equip-card td {
            text-align: center;
            border: 1px solid #000;
            border-top: none;
            border-left: none;
            padding: 3px 6px;
        }

        .equip-card td.ta-left {
            text-align: left
        }

        .equip-card .img-box {
            width: 100px;
            padding: 10px;
        }