.cate_lists span {
    width: 47%;
}
.nav_lists a{width: 49%;text-align: center}
#img_main div img{width: 100px;max-height: 130px;}
.add1 div {
    display: inline-block;
    margin: 8px 0px;
}
.f_main{
    position: fixed;
    bottom: 0px;
    z-index: 999;
    width: 100%;
    background: #fff;
}
.foot_main{margin-top: 30px;border-top:3px solid rgba(0,0,0,.03);width: 100% }
.foot_main div{text-align: center;display: inline-block;width: 19%;padding-top: 5px;}
.price{color: red;font-weight: bold}
.fr{float: right}