.kf{display:none;position:fixed;bottom:2rem;right:0px;width:0.7rem;height:auto;padding-top:0.05rem;transition:.8s;-o-transition:.8s;-moz-transition:.8s;-webkit-transition:.8s;z-index:999999;border-radius:0px;background-color:#FFF200;}
.kf li{z-index:1000001;transition:.5s;cursor:pointer;position:relative;display:block;width:0.6rem;height:auto;padding:0.05rem;padding-bottom:0.1rem;text-align:center;border-bottom:1px solid #D0BF00;}
.kf li span,.kf li a span{display:block;height:auto;line-height:130%;text-align:center;color:#454545;font-size:0.28rem;transition:.5s;-webkit-transition:.5s;background:#FFF200;}
.kf li a {font-size:0.14rem;color:#333333;}
.kf li a:hover{color:#454545;}
.kf li.border_bottom_none{border-bottom:0px solid #D0BF00;}