@media screen and (max-width: 768px) {
    body {
        width: 100%;
        overflow-x: hidden;
    }

    .head1 {
        width: 100%
    }

    .head1 .n_oa {
        display: none
    }
    .head1 .tel{
        position: absolute;
        right: 0;
        top:0;
        width: 50%;
        padding: 0px;
    }

    .head2 {
        height: auto;
    }

    .head3_c, .head2_c, .head2 .head2_c ul {
        width: 100% !important;
    }

    .head2 .head2_c ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .head2 .head2_c ul li {
        float: none;
        width: 30%;
    }

    .head2 .head2_c ul li a {
        width: 100%;
    }

    .showbox {
        display: none
    }

    .main1 {
        width: 100%;

        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .banner {
        height: 160px !important;
    }

    .banner .pic {
        display: none
    }

    .main1 .box1, .main1 .box2, .main1 .box3 {
        float: none !important;
        margin: 10px auto;
    }

    #mainer .main {
        width: 100%;
    }

    #mainer .main .left {
        width: 98%;
        min-height: 0px;
        height: auto;
        margin: 0px auto
    }

    #mainer .main .left .left_t {
        width: 100%;
        background-size: cover
    }

    .main .left .left_c {
        width: 100%;
        height: auto !important;
    }

    .main .left .left_c ul {
        width: 100%
    }

    #mainer .main .left .left_c ul li a {
        width: 100%
    }

    #mainer .main .left .left_c ul li a.focus {
        width: 100%;
        background-size: cover
    }

    .main .right, .main .right .right_c, .main .right .right_c .air_con {
        width: 100%;
        box-sizing: border-box;
        padding:10px;
    }

    .main .right .right_c .air_con img {
        max-width: 100%;
    }

    .banneri {
        width: 100%;
        height: auto
    }

    .banneri img {
        width: 100%;
        height: 80px;
    }

    #footer .foot {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        height: auto;
        justify-content: center;

    }

    #footer div {
        float: none !important;
    }

    .partnerlist {
        width: 100%;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        overflow: hidden
    }

    .partnerlist li {
        width: 48%;
        margin-right: 0px;
        float: none
    }

    .joblist, .joblist li, .joblist li .txt, .job_tit, .job_con1, .job_con2, .job_con2 .job_con2_c, .main .right .right_c .air_tit, .main .right .right_c .air_info {
        width: 100% !important;
    }

    .job_con1 {
        display: flex;
        flex-direction: column
    }

    .joblist li .txt p.c { /* 注意需要给width 注意还需要把容器变为块级元素(因为需要给宽度) */
        width: 98% !important;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .main .right .right_c .air_con, .newslist, .newslist li.top {
        width: 100% !important
    }

    .newslist li.top .pic {
        width: 30% !important
    }

    .newslist li.top .pic img {
        width: 100% !important;
        height: auto
    }

    .main .right .right_c .air_con img {
        max-width: 100%;
    }

    .newslist li.top .txt {
        width: 65%;
    }

    .newslist li.top .txt p.t {
        width: 98% !important;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .newslist li {
        width: 98% !important;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .main .main_c, .productslist, .productslist li .txt {
        width: 100%;
    }

    .productslist li {
        width: 100%;
        display: flex;
        flex-direction: column;
        height: auto
    }

    .productslist li .pic {
        margin: 0px auto
    }

    .productslist li .txt p.c {
        height: auto;
        width: 100%
    }
    .conbox1,.conbox1 .pic,.conbox2,.conbox2_c,.conbox2_t{width: 100%;}
    .conbox2 .conbox2_t{display: inline-flex;flex-wrap: wrap;width: 100%;height: auto}
    .conbox2 .conbox2_c,.conbox1 .txt{width: 100% !important;box-sizing: border-box;padding: 10px;}
}