@media only screen and (min-width: 400px){
    html {
        font-size: 21.33px!important;
    }
}
@media only screen and (min-width: 414px){
    html {
        font-size: 22.08px!important;
    }
}

html {
    font-size: 20px;
}
#xx_tabbar a,
#xx_tabbar div,
#xx_tabbar i,
#xx_tabbar p,
#xx_tabbar span{
    line-height: inherit;
}
#xx_tabbar {
    position: fixed;
    bottom: 0;
    height: 52px;
    width: 100%;
    background-color: #fff;
    text-align: center;
    z-index: 2999;
    font-family: "华文细黑";
    border-top: 1px solid #ececec;
}
#xx_tabbar .bar-item {
    float: left;
    width: 25%;
    font-size: .9em;
    color: #999;
}
#xx_tabbar .bar-item i {
    display: block;
    position: relative;
    width: 22px;
    height: 22px;
    margin: 6px auto 3px;
    color: #666;
    font-size: 1rem;
    line-height: 25px;
}
#xx_tabbar .bar-item span {
    display: block;
    font-size: .6rem;
    margin-top: -.2rem;
}

#xx_tabbar .bar-item.selected i, #xx_tabbar .bar-item.selected span {
    display: block;
    color: #f56c3e;
}