.spin{
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;

    .spin-back{
        position: absolute;
        top: 0;
        height: 100%;
        width: 100%;
        background: #fff;
        opacity: .7;
        z-index: 100000;
    }

    .sping-index{
        z-index: 9999999;
    }
}