.head_app{display: none;}
.mobile20200403{display: none;}
@media screen and (max-width: 980px){
.top_main{display: none;}
.top_bg_con{display: none;}
.youqinglianjie{display: none;}
.row_foot{display: block;}
.main{width: 100%;}
.nav{display: none!important;}
.row_head{display:none;}
.head_app {display:block!important;width: 100%;height: 80px;padding: 0 1%;display: block;background: #fff;border-bottom: #C3111F 3px solid;}
.app_logo {float: left;width:100%;margin-top: 8px;}
.footer_main{display: none;}
.mobile20200403{ background:#fff;display:block;}
.mode_foot_link{ display:none;} 
.mobile20200403 p{width:100%; text-align:center}
.mobile20200403 span img{ display:inline;}
}
@media screen and (max-width: 768px){
.top_main{display: none;}
.top_bg_con{display: none;}
.youqinglianjie{display: none;}
.row_foot{display: block;}
.main{width: 100%;}
.nav{display: none!important;}
.row_head{display:none;}
.head_app {display:block!important;width: 100%;height: 80px;padding: 0 1%;display: block;background: #fff;border-bottom: #C3111F 3px solid;}
.app_logo {float: left;width:100%;margin-top: 8px;}
.footer_main{display: none;}
.mobile20200403{ background:#fff;display:block;}
.mode_foot_link{ display:none;} 
.mobile20200403 p{width:100%; text-align:center}
.mobile20200403 span img{ display:inline;}
}