.mask_lqzl{
    width:100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 9999;
}
.mask_lqzl .content{
    width: 456px;
    height: 666px;
    background-image: ;
    background-repeat: no-repeat;
    background-position: left top;
    position: absolute;
    left: 50%;
    margin-left: -228px;
    top: 50%;
    margin-top: -311px;
}
.close_mask_lqzl{
    width: 80px;
    height: 80px;
    display: block;
    position: absolute;
    left: 50%;
    margin-left: -40px;
    bottom: 0;
    cursor: pointer;
}
.wx_code{
    width: 230px;
    height: 230px;
    position: absolute;
    right: 74px;
    top: 134px;
}