#gotop{width:40px;height:auto;z-index:1021;position:fixed;bottom:20%;left:50%;margin-left:650px;margin-bottom:0px;border:0px;background-color:transparent}
#gotop a#goToBottom{border-radius:5px 5px 0 0;}
#gotop a#goTopBtn{border-radius:0 0 5px 5px;border-bottom:0px;}
#gotop a{color:#158fed;border:0px;border-bottom:1px solid #f0f3f9;font-size:20px;background:#fff;display:inline-block;width:40px;height:40px;line-height:40px;text-align:center;}
#gotop a:hover{color:#fff;background-color:#158fed;text-decoration:none;border:0px;}
#gotop .weixin{position:relative;}
#gotop .weixin .qrcode{position:absolute;top:-64px;right:52px;width:12rem;max-width:12rem;height:12rem;display:inline-block;vertical-align:middle;background:#fff;border:5px #158fed solid;content:".";transform:scale(0);transform-origin:top right;opacity:0;-webkit-transition:all .4s ease-in-out;-o-transition:all .4s ease-in-out;transition:all .4s ease-in-out;}
#gotop .weixin .qrcode .angle{width:0;height:0;border:15px solid transparent;border-left-color:#158fed;position:absolute;content:'';top:40%;}
#gotop .weixin:hover .qrcode{transform:scale(1);opacity:1;z-index:1022;}

@media(max-width:1024px){
    #gotop{left:auto;right:1%;margin-right:5px;}
    #gotop a{color:#fff;background-color:#158fed;}
    #gotop .weixin{display:none}
}

@media(max-width:768px),@media(max-width:576px){
    #gotop{left:auto;right:-3px;}
    #gotop a#goTopBtn{
        border-radius:5px!important;
        background:rgba(21,143,237,0.5);
        color:#fff;
        width:30px;
        height:30px;
        line-height:30px;
    }
    #gotop a#goTopBtn:link{
        text-decoration:none;
    }
    
    #gotop a#xn_sign {
        border-radius:5px!important;
        background:rgba(21,143,237,0.5);
        color:#fff;
        width:30px;
        height:30px;
        line-height:30px;
    }
    #gotop a#xn_sign:link{
        text-decoration:none;
    }
    
    #gotop a[target="_blank"] {
        border-radius:5px!important;
        background:rgba(21,143,237,0.5);
        color:#fff;
        width:30px;
        height:30px;
        line-height:30px;
    }
    #gotop a[target="_blank"]:link{
        text-decoration:none;
    }
}