.wlb_logo{
    width: 4rem;
    height: 4rem;
}
.wlb{
    width: 7rem;
    height: 2rem;
    margin-left: 1rem;
    margin-top: 1rem;
    /* padding-top: 1rem; */
}
.wlb2 {
    width: 7rem;
    height: 2rem;
    margin-left: 1rem;
    /* padding-top: 1rem; */
}
.shouye_img{
    width: 20rem;
    height: 39rem;
}
.header-logo{
    display: flex;
    /* line-height: 3; */
}
.hero_a_s{
    font-size: 1.5rem;
}
.btn_ty{
    margin-top: 2rem;
    font-size: 1.5rem;
}