header{
  .page-box{
    flex:1px;
    .sitename{
      font-size:16px;
      flex:1;
      padding: 0 6px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .menus{
      display:none;
    }
    .rightBox{
      .userinfo{
        display:none;
      }
      width:auto;
      white-space: nowrap;
      flex: 1px;
      padding-right: 5px;
    }
  }
  margin-bottom:0;
}
.icon-showmenu{
  display: inline-block;
}