@media screen and (max-width: 600px){
    .itab{
        height: 182px;
    }
    .ibanner-text1{
        font-size: 48px;
    }
    .ibanner-text2{
        font-size: 20px;
    }
    .itab-content-item{
        height: 80px;
    }
    .itab-content-item-text{
        font-size: 20px;
    }
    .itab1-title{
        font-size: 32px;
    }
    .itab4-body-des{
        width: 90%;
        margin: 0 auto;
        margin-top: 6px;
    }
    .footer-content-menu{
        display: none;
    }
    .itab1-body-box1-item{
        width: 240px;
    }
    .itab1-body-box1-text{
        width: 160px;
    }

    .join-content-page-item{
        width: 24px;
        height: 24px;
        text-align: center;
        line-height: 24px;;
        margin-left: 3px;
    }
    .join-content-page-item img{
        width: 24px;
        height: 24px;
    }
    .prbanner-content-title {
        font-size: 32px;
    }
    .prbanner-content-des{
        font-size: 16px;
    }
    .itab1-title{
        font-size: 28px;
    }
    .product24 .product24-body-item{
        display: block;
        margin: 0 auto;
        margin-top: 20px;
    }
    .product2{
        padding-top: 20px
    }
    .product22{
        margin-top: 20px;
        padding-bottom: 20px;
    }
    .product24{
        padding-bottom: 20px;
        padding-top: 20px;
    }
    .footer-copy{
        padding-top:6px;
        padding-bottom: 10px;
    }
    .itab2-menu-item{
        width: 120px;
    }
    .product1-content {
        padding-top: 20px;
    }
    .product31-content-box1-body{
        text-align: center;
    }
    .product31-content-box1-body-item {
        display: inline-block;
        margin-right: 30px;
    }
    .product32 {
        width: 100%;
        margin-top: 40px;
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .product41-content-body2{
        width: calc(100% - 30px);
        display: block;
        margin: 0 auto;
        padding: 0;
    }
    .product41-content-body2-list-item{
        width: 100%;
        margin: 0 auto;
        margin-top: 20px;
    }
    .product41 {
        width: 100%;
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .about1-content-title{
        font-size: 32px;
    }
    .about1-content-des {
        font-size: 16px;
    }
    .about1-content-des2 {
        font-size: 14px;
    }
    .about1-content-body-item{
        margin-right: 50px;
    }
    .about1-content-body2 .about1-content-body-item{
        margin-left: 50px
    }
    .about1-content-body2 .about1-content-body-item:nth-child(2){
        margin-left: 110px
    }
    .about1 {
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .tab4 {
        margin-top: 20px;
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .join-content-list-item {
        padding-top: 18px;
        padding-bottom: 18px;
    }
    .join-content-title {
        font-size: 20px;
    }
    .join-content-list-item-title{
        font-size: 16px;
    }
    .join2-content{
        width: calc(95% - 24px);
        padding: 16px 12px;
    }
    .prbanner-content img {
        position: relative;
        left: -75vw;
    }
    .product23 {
        width: 100%;
        padding-top: 40px;
        padding-bottom: 26px;
    }
    .prbanner2-content-title{
        font-size: 32px;
    }
    .prbanner2-content-des{
        top: 157px;
        font-size: 16px;
    }
    .coop2-content-tel{
        font-size: 36px;
    }
    .coop2 {
        background: #F9F9F9;
        width: 100%;
        padding-top: 40px;
        padding-bottom: 30px;
    }
    .nav .nav-logo {
        margin-left: 20px;
    }
}