@media (max-width: 640px){
    .xyld{
        margin: auto;
        padding: 30px 0;
        display: flex;
        flex-direction: column;
    }
    .xyld_lf{
        width: 100%;
        height: 50px;
    }
    .xyld_rig{
        width: 100%;
    }
    .unified{
        width: 100%;
        padding: 0 15px;
    }
    .unified_cen,
    .gzap_cen{
        display: flex;
    flex-direction: column;
    justify-content: flex-start;
    }
    .unified_lf,
    .gzap_lf{
        width: 100%;
    }
    .unified_lf p,
    .gzap_lf p{
        padding-right: 0;
        margin: 30px 0;
        padding-left: 0;
    }
    .unified_bg,
    .unified_img,
    .unified_bg,
    .gzap_img{
        width: 100%;
        height: 217px;
    }
    .unified_bg,
    .unified_bg{
        margin-top: 50px;
    }
    .zzjg{
        margin: 0;
    padding: 30px 0;
    }
    .zzjg_bt ul li{
        padding: 20px 15px;
    }
    .zzjg_bt ul li::before{
        content: none;
    }
    .kc_cen{
        width: 100%;
    padding: 0 15px;
    }
    .kc_cen ul li img{
        width: 100%;
        height: 252px;
    }
    .kc_title{
        position: relative;
        width: 100%;
        top: unset;
        transform: unset;
        right: unset;
        padding: 15px;
        height: auto;
    }
    .kc_cen ul li:nth-child(2n){
        display: block;
    }
    .dsdw_cen .bd ul li{
        width: 50%;
        padding: 10px;  
    }
    .dsdw_cen .bd ul li img{
        width: 100%;
        height: 210px;
    }
    .dsdw{
        padding: 30px 0;
    }
}