.footer-nav{background:#f32c65;position:fixed;bottom:0;width:100%;left: 50%;max-width:640px;min-width:320px;z-index:100;display:block;transform:translateX(-50%);-webkit-transform:translateX(-50%);}
.footer-nav a{float:left;margin-right:-1px;width:25%;text-align:center;line-height:0;font-size:10px;color:#373737;padding-top:7px;display:block;border-right: #fff solid 1px;position: relative;}
.footer-nav a img{width:34.1%;display:block;margin:0 auto;}
.footer-nav a span{line-height:30px;font-size:16px;color:#fff;}
.footer-nav a:nth-of-type(3){color:#fff;background-color:#ff7848;}
.footer-nav a em{width:34.1%;display:block;line-height:0;margin:0 auto;position:relative;}
.footer-nav a em img{width:100%;}
.footer-nav a img.tel{position:absolute;left:0;top:0;}
.footer-nav a i{width:1.5em;height:1.5em;text-align:center;line-height:1.2em;font-size:1.2em;color:#fff;background-color:#f00;display:block;border-radius:50%;position: absolute;left: 50%;top: 10%;margin-left: 5px;}