@media only screen and (max-width: 1000px) {
    .dev-mid-det-left{
        display: none;
    }
    .dev-mid-det-right{
        width: 100%;
        left: 0;
    }
    .dev-mid-det-right>div{
        width: 50%;
        float: left;
        height: 430px;
        overflow: hidden;
    }
    .swiper-container-year{
        display: block;
    }
    .dev-mid-det-right-img{
        width: 100%;
        max-width: auto;
        padding:20px 15px;
        box-sizing: border-box;
    }
    .dev-mid-det-right-img>img{
        width: 100%;
        left: 0;
    }
    .dev-mid-det-right-det{
        width: 100%;
        padding:10px 15px;
        box-sizing: border-box;
    }
    .dev-mid-det-right-det>h3{
        font-size:20px;
        line-height: 35px;
    }
    .dev-mid-det-right-det p:nth-of-type(2){
        display: none;
    }
    .syear-act span{
        border-bottom: 3px solid #fff;
    }
}