JSFiddle - React, Tailwind, and code Playground

HTML

<table id="listTable1" class="table_1">
		
		<thead>
		<tr><td rowspan="2">部门</td><td colspan="3">季度目标（部）</td><td colspan="3">本周到达量（部）</td><td colspan="3">本周完成率（%）</td><td colspan="3">上周完成率（%）</td><td colspan="3">本周时序进度差距（部）</td></tr>
		<tr>	<td>天翼净增</td><td>智能机净增</td><td>宽带净增</td><td>天翼净增</td><td>智能机净增</td><td>宽带净增</td><td>天翼净增</td><td>智能机净增</td><td>宽带净增</td><td>天翼净增</td><td>智能机净增</td><td>宽带净增</td><td>天翼净增</td><td>智能机净增</td><td>宽带净增</td></tr>
		</thead>
		
		

<div style="height:3000px;overflow: scroll;overflow: auto;">
 	<tbody id="tbody_1" data-id="1" data-rowno="16">

	  <tr>
			<td>政企部</td>
			<td>2875</td>
			<td>3050</td>
			<td></td>
			<td>175</td>
			<td></td>
			<td>95</td>
			<td>6.09</td>
			<td></td>
			<td></td>
			<td>13.22</td>
			<td></td>
			<td></td>
			<td><font color="red">-204</font></td>
			<td></td>
			<td></td>
		</tr>
	  <tr style="background-color:#F9F9FA">
			<td>思明局</td>
			<td>28750</td>
			<td>34400</td>
			<td>10693</td>
			<td><font color="red">-10724</font></td>
			<td></td>
			<td><font color="red">-1919</font></td>
			<td><font color="red">-37.3</font></td>
			<td></td>
			<td><font color="red">-17.95</font></td>
			<td>17.77</td>
			<td></td>
			<td>6.77</td>
			<td><font color="red">-14066</font></td>
			<td></td>
			<td><font color="red">-2827</font></td>
		</tr>
	  <tr>
			<td>湖里局</td>
			<td>29375</td>
			<td>31850</td>
			<td>11040</td>
			<td><font color="red">-4567</font></td>
			<td></td>
			<td><font color="red">-1872</font></td>
			<td><font color="red">-15.55</font></td>
			<td></td>
			<td><font color="red">-16.96</font></td>
			<td>12.14</td>
			<td></td>
			<td>3.05</td>
			<td><font color="red">-9637</font></td>
			<td></td>
			<td><font color="red">-2902</font></td>
		</tr>
	  <tr style="background-color:#F9F9FA">
			<td>集美局</td>
			<td>19750</td>
			<td>21225</td>
			<td>7405</td>
			<td><font color="red">-5841</font></td>
			<td></td>
			<td><font color="red">-3763</font></td>
			<td><font...

CSS

.table_1 {
	width: 98%;
	margin: 0px 5px 0px 20px;
	border:2px solid #99BCE8;
	border-collapse: collapse;
	text-align: center;
	background-color: #FFFFFF;
}

.table_1 thead tr td {
/*	height: 31px;*/
/*	background-color: #eee;*/
	border:1px solid #C5C5C5;
	background-color: #F2F2F3;
}

.table_1 td {
	border:1px solid #EDEDED;
}

.table_1 tr:hover {
	background-color: #ededed !important;
}