#GoTopWithQRcode {width:60px; height:100px; position:fixed; right:15px; bottom:10px; -webkit-transition:opacity .4s ease-in-out; -moz-transition:opacity .4s ease-in-out; -o-transition:opacity .4s ease-in-out; opacity:1; z-index:1000; display:none;}
#GoTopWithQRcode.off {opacity:0; visibility:hidden;}
#gttop {display:block; width:60px; height:50px; background:url("icon_top.png") center center no-repeat; background-color:#444; background-color:rgba(0,0,0,.6); border-radius:2px; box-shadow:0 1px 3px rgba(0,0,0,.2); cursor:pointer; margin-bottom:10px;}
#GoTopWithQRcode .gt {display:block; width:60px; height:40px; border-radius:2px; box-shadow:0 1px 3px rgba(0,0,0,.2); cursor:pointer; background:url("icon_code.png") center center no-repeat; background-color:#444; background-color:rgba(0,0,0,.6);}
#GoTopWithQRcode .gt:hover,#gttop:hover {background-color:rgba(0,0,0,.7);}
#GoTopWithQRcode .gt:active,#gttop:active {background-color:rgba(0,0,0,.75);}
#GoTopWithQRcode .wx_code {width:170px; height:200px; background:#fff; box-shadow:0 1px 8px rgba(0,0,0,.1); position:absolute; left:-180px; bottom:0; border-radius:2px; display:none; text-align:center;}
#GoTopWithQRcode .wx_code .code-link {display:block; margin:10px; color:#777;}
#GoTopWithQRcode .wx_code .code {display:block; margin-bottom:5px;}
#GoTopWithQRcode .wx_code .arr {width:6px; height:11px; background:url("code_arrow.png") 0 0 no-repeat; position:absolute; right:-6px; bottom:14px;}