.banner {
    width: 100%;
    height: 500px;
    overflow: hidden;
    /*margin-top: 1.6rem;*/
    position: relative;
}

.banner>img {
    height: 100%;
    object-fit: cover;
    display: block;
    animation: scaleUpDown 6s forwards cubic-bezier(0.250, 0.460, 0.450, 0.940);
}

@keyframes scaleUpDown {
    0% {
        -webkit-transform: scale(1.08);
        transform: scale(1.08);
    }
    100%{
        opacity: 1;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

.bannerBox {
    position: absolute;
    left: 3.2rem;
    top: 50%;
    transform: translateY(-10%);
}

.bannerTxt1 {
    font-size: 0.42rem;
    color: #FFFFFF;
}

.bannerTxt2 {
    width: 13rem;
    line-height: 0.3rem;
    font-size: 0.24rem;
    color: #FFFFFF;
    margin-top: 0.1rem;
}
@media only screen and (max-width: 1024px) {
.banner{
    margin-top: 1rem;
    height: 3rem;
    margin-bottom: .3rem;
}
.banner > img{
    object-fit: cover;
  height: 100%;
}
.bannerBox {
  left: 5%;
  top: 30%;
  width: 80%;
}
.bannerTxt2{
    width: 100%;
}
}