.banner1 {
    position: relative;
    overflow: hidden;
    background-color: #fff;
    cursor: pointer;
}
.banner {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}


@media screen and (max-width: 750px) {
    .banner1 {
        margin-top: 2.8125rem !important;
    }
  
    
}
.banner1 {
    margin-top: 0.75rem;
    height: 11.25rem;
}
.bannerpage-a img {
    width: 3.425rem;
    height: 1.3rem;
    display: block;
    margin-top: 0.875rem;
}
.bannerpage-b {
    display: flex;
    width: 15rem;
    justify-content: space-between;
    margin: 0 auto;
    margin-top: 0.75rem;
}
.bannerpage-b_a {
    width: 8.0125rem;
    height: 1.9625rem;
    font-size: 0.175rem;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #343434;
    line-height: 0.3rem;
    margin-top: 0.4rem;
}
.bannerpage-b_b img {
    width: 5.925rem;
    height: 3.8rem;
}
.banner2 {
    position: relative;
    overflow: hidden;
    background: #F0F7FC;
    cursor: pointer;
}
.banner2-pagea img {
    width: 5.425rem;
    min-height: 1.325rem;
    display: block;
    margin-top: 0.75rem;
}
.banner2-pageb {
    display: flex;
    width: 15rem;
    justify-content: space-between;
    margin: 0.5rem auto;
}
.banner2-pageb div {
    width: 3.5rem;
    height: 1rem;
    background: #FFFFFF;
    text-align: center;
    line-height: 1rem;
    font-size: 0.3rem;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #343434;
}
.pbhover {
    background: url('../../images/pc/jbg.png') no-repeat !important;
    background-size: 100% 100% !important;
    color: #FFFFFF !important;
}
.banner2-pagec>div img {
    width: 15.325rem;
    height: 4.375rem;
    display: block;
    margin-top: 1.5rem;
    margin-bottom: 2.525rem;
}
.banner2-pagec>div {
    display: none;
}
.palnhover {
    display: block !important;
}
.banner3 {
    position: relative;
    overflow: hidden;
    background: #FFFFFF;
    cursor: pointer;
}
.banner3-pagea img {
    width: 5.425rem;
    min-height: 1.325rem;
    display: block;
    margin-top: 0.75rem;
}
.banner3-pageb {
    width: 16.25rem;
    margin: 1.25rem auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.banner3-pageb div {
    width: 3.5rem;
    height: 3.5rem;
    background: url('../../images/pc/jx.png') no-repeat;
    background-size: 100% 100%;
    margin-top: 0.375rem;
    position: relative;
    overflow: hidden;
}
.banner3-pageb>div img {
    width: 1.5rem;
    height: 2.125rem;
    position: absolute;
    top: 0.6625rem;
    left: 50%;
    margin-left: -0.75rem;
    transition: top 1s ease-in-out;
}
.banner3-pageb>div div {
    width: 2.875rem;
    height: 2.875rem;
    position: absolute;
    bottom: -2.875rem;
    left: 50%;
    margin-left: -1.4375rem;
    background: transparent;
    text-align: left;
    font-family: Source Han Sans CN;
    font-size: 0.3rem;
    color: #343434;
    transition: bottom 1s ease-in-out;
}
.banner4{
    background: #F0F7FC;
}
.banner3-pageb div:hover img {
    top: -2.125rem;
}
.banner3-pageb>div:hover div {
    bottom: -0.1875rem;
}
.banner4-pagea{
    padding-top: 1.4375rem;
    margin-bottom: 1.25rem;
}
.banner4-pagea img{
    width: 4.225rem;
    height: 1.325rem;
    display: block;
}
.banner4-pageb{
    width:65%;
    padding-bottom: 1.75rem;
    margin: 0 auto;
}
.banner4-pageb img{
    width: 2.625rem;
    height: 3.625rem;
    display: inline-block;
    margin-left: 0.25rem;
    margin-top: 0.25rem;
}

/* 滑动到顶部 */
#goToTop {
    width: 1rem;
    height: 1rem;
    position: absolute;
    right: 2rem;
    z-index: 9000;
    background: url('../../images/pc/return.png') no-repeat;
    background-size: 100% 100%;
    z-index: 999999 !important;
   /* position: fixed;
    */
}