.g-head .btn-list ul  .sty{
    border-right: rgba(255, 255, 255, 0.37) solid 1px;}
.g-head .btn-list ul  .sty a{
padding-right:0.14rem;}
/*检索功能隐藏
.g-head .btn-list .search {
    display:none;
}*/
.g-nav2 .scroll li{}
.open .sidemenu{display:block !important;}
@media (max-width: 800px){
.xleader ul li h3::after{height:0.4REM; top: 0.1REM;}

}
<h3 class="ss1">纪委书记<br/><div class="s1">国家监委驻清华大学<br/>监察专员</div></h3> 


.xleader ul li h3{
width: 69%;}
.xleader ul li .ss1{
margin-top: 0.25rem;}
.xleader ul li .s1 {
  font-size: 0.15rem;
    color: #791cb5;

    display: inline-block;
    position: relative;line-height:0.2rem;font-weight: normal;}
.xleader ul li .ss2 {
margin-top: 0.25rem;}
@media (max-width: 800px){
.xleader ul li h3 {
width: 100%;}
.xleader ul li .ss1{
margin-top: 0;}
.xleader ul li .ss2 {
margin-top: 0;}
}
@media (max-width: 500px){
 .xleader ul li .s1 {
 font-size: 0.26rem;
   line-height:0.32rem;}
}