.pop{
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    left: 0;
    top: 0;
}
.box{
    width: 6.3rem;
    /* min-height: 2rem;
    background: #fff; */
    border-radius: 0.24rem;
    position: relative;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    -webkit-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
.close{
    width: 0.6rem;
    height: 0.6rem;
    background: url('../../img/frontend/images/pop_close.png') no-repeat center center;
    background-size: 100% 100%;
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translate(-50%,0%);
    -webkit-transform: translate(-50%,0%);
    -ms-transform: translate(-50%,0%);
    -o-transform: translate(-50%,0%);
    -moz-transform: translate(-50%,0%);
}

.box img{
    width: 100%;
    height: auto;
}