#c_grid-116273709439191 {
     position: fixed;
    z-index: 99;
    background: #fff;
    width: 100%;
      box-shadow: 0px 0px 1px #888;
}
.pl_service4 .item_con{
display:none;}
.zx_ts{
display:none;}
  body {
   overflow-x:hidden;
  }