* {
  margin: 0;
  padding: 0;
}
.container {
  width: 10rem;
  overflow-x: hidden;
}
footer {
    width: 10rem;
    height: 1.6rem;
    background: #ffffff;
    bottom: 0;
    left: calc(50vw - 5rem);
    display: flex;
    position: fixed;
    flex-wrap: nowrap;
    align-items: center;
    align-content: center;
    justify-content: space-around;
    border-top: 1px solid #dcdfe6;
    z-index:100000;
}

    footer a {
        width: 1.2rem;
        height: 1.05333333rem;
        text-decoration: none;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        align-content: center;
        justify-content: center;
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
        -webkit-user-select: none;
        -moz-user-focus: none;
        -moz-user-select: none;
    }

footer a img {
    width: 0.85333333rem;
    height: 0.85333333rem;
}

footer a .img02 {
    display: none;
}

        footer a p {
            height: 0.37333333rem;
            font-size: 0.36rem;
            font-family: PingFangSC-Regular, PingFang SC;
            font-weight: 400;
            color: #3d3a3a;
            line-height: 0.37333333rem;
            margin: 0rem auto 0;
            white-space: nowrap;
        }

footer a.active .img01 {
    display: none !important;
}

footer a.active .img02 {
    display: block !important;
}