@charset "utf-8";
.footer-logo {
    padding-left: .68rem;
    padding-right: .68rem;
}
.footer-logo img:nth-child(2) {
    margin: 0 .43rem;
}
.bottom-btn {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 33;
}
.bottom-btn img {
    height: auto;
    margin: 0 auto;
    max-width: 620px;
}
/* 回到顶部 */
.back-top{
    position: fixed;
    right: 0.2rem;
    bottom: 1.46rem;
    z-index: 9;
}
.back-top span {
    display: block;
    width: 0.8rem;
    height: 0.8rem;
    border-radius: 100px;
    background: rgba(0, 0, 0, 0.2) url(./backtop.png) no-repeat center;
    background-size: 0.35rem 0.2rem;
}