表头部分文字上色后剩余文字加粗效果消失 about myexcel HOT 9 OPEN

<table>
    <tr>
      <th><span style="color: red;">*</span><span style="font-weight: bold;">客户来源</span></th>
      <th><span style="color: red;">*</span><span style="font-weight: bold;">客户类别</span></th>
      <th><span style="color: red;">*</span><span style="font-weight: bold;">客户营销状态</span></th>
      <th><span style="color: red;">*</span><span style="font-weight: bold;">客户名称</span></th>
      <th><span style="color: red;">*</span><span style="font-weight: bold;">联系人</span></th>
      <th>联系人职位</th>
      <th>联系电话</th>
      <th>联系方式二（座机）</th>
      <th>联系方式三（邮箱）</th>
      <th>联系地址</th>
      <th><span style="color: red;">*</span><span style="font-weight: bold;">所在地区/国家</span></th>
      <th>行业</th>
      <th>经营范围</th>
      <th>主营收入（人民币/万元/年）</th>
      <th>其他经营信息</th>
      <th>是否签订MOU</th>
      <th>最近一次跟进日期</th>
      <th>最近一次记录</th>
      <th>跟进次数</th>
    </tr>
</table>