#gotop{width:40px;height:auto;z-index:1021;position:fixed;bottom:8%;left:50%;margin-left:570px;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:#343a40;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:#343a40;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 #343a40 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:#343a40;position:absolute;content:'';top:40%;}#gotop .weixin:hover .qrcode{transform:scale(1);opacity:1;z-index:1022;}#gotop a.active .icon-moon-o:before{content:"\f185";}@media(max-width:1024px){#gotop{left:auto;right:1%;margin-right:5px;}#gotop a{color:#fff;background-color:#343a40;}#gotop .weixin{display:none}}@media(max-width:768px),@media(max-width:576px){#gotop{left:auto;right:-3px;}#gotop a#goTopBtn{border-radius:0 0 5px 5px!important;}#gotop a#goTopBtn{background:rgba(0,0,0,0.5)!important;color:#fff!important;width:30px;height:30px;line-height:30px;}#gotop a#goTopBtn:link{text-decoration:none;}}