.fix_foot{width:100%; height:0.9rem;  position:fixed;bottom:0px; background-color:#fff; border-top:solid 1px #eee;}
.fix_foot li{width: 25%;float:left;text-align:center;margin-top:0.07rem;position:relative;}
.fix_foot li a {margin-top:0rem; font-size:0.22rem; color:#777;}
.fix_foot li a i{display:block;width:0.8rem; height:0.45rem;margin-left:auto;margin-right:auto; text-align:center; background-image:url(/img/foot_menu1.png);  background-repeat:no-repeat;
     ;background-size:7rem auto;}
.fix_foot li:nth-of-type(1) a i{background-position:-0.16rem 0px;}
.fix_foot li:nth-of-type(2) a i{background-position:-1.32rem 0px;}
.fix_foot li:nth-of-type(3) a i{background-position:-6.02rem 0px;}
.fix_foot li:nth-of-type(4) a i{background-position:-5.1rem 0px;}