/**
    移动端适配
 */
@media only screen and (min-width: 320px) and (max-width: 980px) {
    *{
         touch-action:none;
         touch-action:pan-y;
    }
    
    body{
        font-size: 16px !important;
         width: 100%;
    }
        /* 去除所有链接在悬停时的下划线 */
    a:hover {
      text-decoration: none;
    }
    
    /* 去除所有链接在获得焦点时的下划线 */
    a:focus {
      text-decoration: none;
    }

    .main .project{
        width: 100%;
    }
    .top{
        font-size: 0.28rem;
        /*background: url(../img/tit/hader-mdeol.jpg) no-repeat center;*/
        /*background-size: 26.3rem 18rem;*/
        height: 17rem;
        position: relative;
        z-index: 1;
    }
    .bg{
        background: url(../img/tit/bg-model.jpg) no-repeat center;
        background-size: 100% 100%;
        height: 160rem;
        position: relative;
        top: -34px;
    }

    .main{
         width: 100%;
        position: relative;
    }
    .cl {
        /*height: 5.6rem;*/
        position: relative;
    }
    .cl .tit{
        position: relative;
        top: 0.5rem;
        width: 22.7rem;
        margin: auto;
    }
    .cl .tit:first{
         margin-top: 2.9rem;
    }
    .tabtab {
        display: flex;
        width: 23rem;
        margin: auto;
        margin-top: 1rem;
        background: url(../img/tit/nav.png) no-repeat center;
        background-size: 100% 100%;
        height: 3.1rem;
        align-items: center;
        justify-content: space-between;
    }
    
    .selected{
        background: url(../img/tit/nav-select.png) no-repeat center;
        background-size: 100% 100%;
    }
    
    
    .tabtab li{
        width: 4.5rem;
        height: 3.1rem;
        text-align: center;
        line-height: 3.1rem;
        font-size: 1.1rem;
        flex-grow: 1;
    }
   /* 初始时隐藏所有 .item_body 元素，除了第一个 */
    .item_body {
      width: 25.5rem;
      display: flex;
      margin: auto;
      margin-top: 0.7rem;
      flex-wrap: wrap;
      justify-content: center;
    }
    
    .item_body .item{
        width: 10.8rem;
        height: 18rem;
    }
    .item_body .item:nth-of-type(2){
       margin-left: 0.2rem;
    }
    .item_body .item .item-img{
        width: 10rem;
        height: 11rem;
    }
    .item_body .item .item-text{
        width: 10rem;
        height: 4.2rem;
        font-size: 0.9rem;
    }
    
    .item_body .item-jstd {
        width: 20rem;
        height: 16rem;
        margin: auto;
    }
    .item-jstd .item-img {
        width: 20rem;
        position: relative;
        margin: auto;
    }
    .item-img .item-img-text {
        position: absolute;
        z-index: 2;
        bottom: 0px;
        width: 100%;
        text-align: center;
        color: white;
        font-size: 1rem;
        background: linear-gradient(to right, rgb(13 123 221 / 50%), rgb(12 81 160 / 40%));
    }
    .item-jstd .item-text {
        background: white;
        width: 20rem;
        margin: auto;
    }
    .item_body .item-jstd .item-text p {
        color: #000000;
        font-size: 1rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-align: left;
        /*width: 97%;*/
        margin: 1rem;
    }
}