body {
    background-color: #fff;
}
.update-img {
    display: block;
    width: .9rem;
    height: .9rem;
    margin: 2.1rem auto 0;
}

.tips-text {
    margin-top: .3rem;
    font-size: .16rem;
    line-height: .28rem;
    text-align: center;
    color: #666;
}

.tips-text text {
    display: block;
}

.update-button {
    display: none;
    width: 2.52rem;
    height: .42rem;
    margin: .22rem auto 0;
    font-size: .18rem;
    line-height: .42rem;
    color: #fff;
    border-radius: .42rem;
    background-color: #38f;
}