@media screen and (max-width: 480px){
    .itab-content-item-text2{
        font-size: 12px;
    }
    .ibanner-text1{
        font-size: 36px;
    }
    .ibanner-text2{
        font-size: 18px;
    }
    .itab-content-item-text{
        font-size: 18px;
    }
    .itab1-title{
        font-size: 26px;
    }
    .itab1 {
        margin-top: 20px;
    }
    .itab {
        height: 165px;
    }
    .itab-content-item-text {
        padding-top: 17px;
    }
    .itab-content-item{
        height: 75px;
    }
    .itab1-body-box1{
        width: 100%;
    }
    .itab1-body-box1-item{
        width: calc(50% - 20px);
        height:auto;
        margin-left:9px ;
    }
    .itab1-body-box1{
        height: auto;
    }
    .itab1-des{
        font-size: 12px;
    }
    .itab1-menu-item{
        width: 120px;
    }
    .stab{
        padding-top: 20px;
    }
    .newstab {
        margin-top: 20px;
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .newstab-body {
        margin-top: 16px;
    }
    .itab4-body-item{
        width: calc(100% - 40px);
    }
    .fixed-to-top{
        width: 40px;
        height: 40px;
        top: calc(100vh - 80px);
    }
    .fixed-to-top img{
        width: 24px;
        height: 24px;
        margin-top: 8px;
        margin-left: 8px;
    }
    .prbanner-content img {
        position: relative;
        left: -500px;
    }
    .join-content-list-item-btn{
        top: 52px;
    }
    .join-content-page-item{
        width: 20px;
        height: 20px;
        text-align: center;
        line-height: 20px;
        margin-left: 3px;
        font-size: 12px;
    }
    .about1-content-title-text{
        font-size: 22px;
    }
    .about1-content-title::after {
        content: "";
        position: absolute;
        left: 0;
        top: 44px;
        width: 100%;
        height: 30px;
        background: #28C687;
        z-index: 5;
    }
    .about1-content-des {
        font-size: 14px;
    }
    .join2-content{
        height:420px;
        margin-top: calc(50vh - 240px);
    }
    .join2-content-des2{
        height: 112px;
        margin-top: 10px;
    }
    .join2-content-footer-btn1, .join2-content-footer-btn2{
        width: 150px;
        font-size: 16px;
    }
    .join2-content-footer {
        bottom: 12px;
    }
    .join2-content-close {

        right: 12px;
    }
    .prbanner-content-title {
        font-size: 26px;
    }
    .prbanner-content-des {
        font-size: 14px;
    }
    .prbanner-content {
        width: calc(100% - 15px);
        padding-left: 15px;
    }
    .product23 {
        width: 100%;
        padding-top: 20px;
        padding-bottom: 15px;
    }
    .product23-body-item{
        width: 100%;
    }
    .product23-body-item-title {
        position: absolute;
        top: 14px;
        left: 8px;
        font-size: 14px;
        font-weight: bold;
        height: 20px;
        line-height: 20px;
    }
    .product23-body-item-des {
        position: absolute;
        top: 42px;
        left: 8px;
        font-size: 14px;
        height: 18px;
        line-height: 18px;
    }
    .product23-body-item-list {
        position: absolute;
        top: 76px;
        left: 8px;
        width: 100%;
        height: 20px;
    }
    .product23-body-item-list2 {
        position: absolute;
        top: 106px;
        left: 8px;
        width: 100%;
        height: 20px;
    }
    .product23 .product23-body-item {
        margin-bottom: 10px;
    }
    .product23-body-item-list-item-text{
        margin-right: 6px;
    }
    .product23-body{
        width: 95%;
        margin:0 auto;
        margin-top: 20px;
    }
    .product1-content{
        padding-top:0;
    }
    .product31 {
        width: 100%;
        padding-top: 12px;
    }
    .product31-content-box1{
        width: 95%;
        padding-top: 10px;
        height: auto;
    }
    .product31-content-box1-title{
        font-size: 20px;
    }
    .product31-content-box1-des{
        font-size: 14px;
    }
    .product31-content-box1-body{
        margin-top: 20px;
    }
    .product31-content-box1-body-item {
        margin-right: 10px;
    }
    .product31-content-box1-body-item-des span{
        font-size: 24px;
    }
    .product31-content-box2{
        width: 95%;
        margin: 0 auto;
        height: auto;
        margin-top: 10px;
    }
    .product31-content-box2 img{
        width: 100%;
        height: auto;
    }
    .product41-content-body-item{
        width: 90%;
        padding: 2.5%;
        height: auto;
    }
    .product41-content-body-item img{
        width: 70%;
        height: auto;
    }
    .prbanner2-content-title{
        font-size: 26px;
    }
    .prbanner2-content-des{
        top: 157px;
        font-size: 16px;
    }
    .about1 .about1-content-body{
       width: 330px;
    }
    .about1 .about1-content-body-item{
        width: 100px;
        margin-right: 10px
    }
    .about1-content-body-item-text, .about1-content-body-item-button{
        width: 100px;
    }
    .about1-content-body-item-text span{
        font-size: 24px;
    }
    .about1-content-body2 .about1-content-body-item{
        margin-left: 40px;
    }
    .about1-content-body2 .about1-content-body-item:nth-child(2){
        margin-left: 50px
    }
    .about1-content-body-item-button{
        font-size: 14px;
    }
    .about1-content-body-item-text{
        line-height: 50px;
    }
    .about1-content-body-item-text span{
        line-height: 50px;
    }
    .coop2 {
        background: #F9F9F9;
        width: 100%;
        padding-top: 20px;
        padding-bottom: 15px;
    }
    .nav .nav-logo {
        margin-left: 10px;
    }
}