.s-bg-mask{
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.7);
    z-index: 2;
}
.s-mask {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    background: rgba(0,0,0,0.4);
    display: none;
}
.s-mask-pic{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    z-index: 3;
    width: 15rem;
}
.mb-close-gb {
    position: absolute;
    top: -2.15rem;
    right: .8rem;
    width: 1.2rem;
    height: 1.2rem;
}
.mb-line {
    width: 2px;
    height: 1rem;
    background: #a9a7a7;
    margin: 0 auto;
    margin-top: -1px;
}