@media screen and (max-width:1279px){
  body,body.scrolling{padding-top:60px!important}
.header{display:none}
.headerm{display:block}
.iyunwen_js_class{bottom:35% !important;}
.wechat-qrc {
    width: 130px;
    height: 180px;
    position: absolute;
    background: url(images/wechat_qrc.png) center center no-repeat;
    background-size: 80% !important;
    z-index: 99999;
    top: -118px !important;
    left: -137px !important;
    display: none;
}
.weibo-qrc {
    width: 130px;
    height: 180px;
    position: absolute;
    background: url(images/weibo_qrc.png) center center no-repeat;
    background-size: 80% !important;
    z-index: 99999;
    top: -118px !important;
    left: -143px !important;
    display: none;
}
.mobNav .flex-right{position: absolute;bottom: 4%;right: 2%;}
}