.ps_rl {
    position: relative;
    width: 100%;
    height: 1.5rem;
}

.ps_st {
    position: sticky;
    position: -webkit-sticky;
    bottom: 0;
}

.ps_rl > a {
    display: inline-block;
    position: absolute;
}

.ps_rl > img {
    position: absolute;
    bottom: 0;
}

.rh_btn {
    top: -0.94rem;
    left: 0.65rem;
    width: 2.9rem;
    height: 0.6rem;
}

.sd_btn {
    top: -0.94rem;
    right: 0.65rem;
    width: 2.9rem;
    height: 0.6rem;
}

.xz_btn {
    bottom: 0.6rem;
    left: 2.9rem;
    width: 1.65rem;
    height: 0.55rem;
}

.card_ps {
    position: relative;
}

.box_gif {
    position: absolute;
    width: 5.7rem;
    top: 0.2rem;
    left: 0.93rem;
}