.toast {
    padding: .24rem .4rem;
    background: rgba(0, 0, 0, 0.75);
    border-radius: .16rem;
    position: fixed;
    bottom: 1.6rem;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
}

.toast .desc {
    font-size: .28rem;
    font-weight: 400;
    text-align: center;
    color: #fff;
    line-height: .44rem;
}