a.chat-ico{
  background-image:url(https://omo-oss-image.thefastimg.com/portal-saas/new2022092814144213328/cms/image/c39239eb-28fc-4379-91e2-f066d9146d99.png);
  margin-right:15px;
}
a.chat-ico-weixin .weixinpop{
  display:none;
  position:absolute;
  width:99px;
  height:120px;
  bottom:30px;
  left:-4px;
}
a.chat-ico.chat-ico-weixin {
    width: 30px;
    display: inline-block;
    height: 30px;
}
 a.chat-ico-weixin{
  background-position:-29px 0px;
  position:relative;
}
.weixinpop{
  display:none;
  position:absolute;
  width:99px;
  height:120px;
  bottom:35px;
  left:-34px;
}
a.chat-ico-weixin:hover .weixinpop{
  display:block;
}