@media (max-width:768px){
    .wb{display:none;}
    .form-control{width:85%;float:left;}
    .btn{width:14%;float:right;}
}
/*×é¼þÑùʽ*/
@media (max-width:915px){
    .am-topbar-nav{margin-bottom:0;}
    .am-topbar-collapse{margin-top:0;}
    .am-dropdown{display:block;}
    .am-icon-caret-down{position: absolute;top: 50%;right: 10px;transform: translateY(-50%);}
}
.fxwrap{margin-bottom:15px;}
.fxbox{position:relative;text-align: right;width: 215px;float: right;}
.fxbox span{cursor:pointer;}
#qrcode_id{margin:0 auto;}
.a_qrcode{position:absolute;top: 40px;left:0;width:160px;background: #fcfcfc;box-shadow: 0 0 10px #000;padding: 15px 0 5px;}
.a_qrcode p{margin:0;line-height: 26px;text-align: center;}