footer{
    background: #cc0010;
    margin-bottom: 1.62rem; padding-top:2rem; padding-bottom:2rem;
}
footer p{
    text-align: center;
    height: 0.35rem;
    line-height: 0.35rem;
    color: #fff;
    font-size: 0.12rem;
}

.fiexd ul li {
    width:25%;
    float: left;
    text-align: center;
    background: #fc5b00;
    padding: 5px 0;
}
.fiexd ul li:nth-child(4) {
    margin-right: 0;
}

.fiexd ul li a {
    color: #fff;
    font-size: 14px;
    width: 100%;
    height: 100%;
}

.fiexd ul li a i {
    font-size: 26px;;
    display: inline-block;
}

.fiexd {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 999;
    width: 100%;
}

.back-top {display: block;width: 38px;height: 38px;background: url("../img/back-top.png") no-repeat center / 38px 38px;position: fixed;bottom: 70px;right: 5px;z-index: 199;background-color: rgba(0,0,0,.3);border-radius: 3px;cursor: pointer;transition: all .3s;}
.back-top:hover {background-color: rgba(0,0,0,.5);}