@media screen and (max-width: 1280px) {
    .lianxi ul {
        right: 0px;
    }

    .lianxi {
        width: 100%;
        margin-left: 0px;
        left: 0;
    }
    .c4_ydbg{
        height: 400px;
    }
}

@media screen and (max-width: 1200px) {
    .clearfix.h170 {
        height: 200px;
    }
}

@media screen and (max-width: 992px) {
    .clearfix.h170 {
        height: 260px;
    }

    .row_a {
        margin-left: -20px;
        margin-right: -20px;
    }

    .row_a .col-sm-4 {
        padding: 0 20px;
    }

    .footer .pull-right.cb2b, .footer .pull-left.ce7e {
        float: none !important;
        margin-top: 20px;
    }

    .col-sm-11 .line25 .wb95 {
        width: 80%;
    }
}

@media screen and (max-width: 767px) {
    .navbar-nav > li > a {
        border-right: 0;
        width: 100% !important;
        text-align: center;
        line-height: 35px;
    }

    .navbar {
        margin-bottom: 0;
    }

    .navbar .mart20 {
        margin: 0;
    }

    .hv1 .mart40 {
        margin-top: 10px;
    }

    .hv1 .pull-left.mary10.mart40 {
        text-align: center;
        width: 100%;
        margin-right: 0;
    }

    .clearfix.h170 {
        height: 260px;
    }

    .news .col-sm-3.marz15 {
        margin-left: 0;
    }

    .licheng .pull-left {
        float: none !important;
        display: block;
        text-align: left;
    }

    .licheng .font13.mart40 {
        margin-top: 15px;
    }

    .taocan2 td {
        /*border: 1px solid #e7e7e7;*/
        padding: 10px 10px;
        /*font-size: 12px;*/
        /*background: #fff;*/
    }
    .c4_ydbg{
        height: 300px;
    }
    .font25.mart40,.font25.mart50{
        margin-top: 15px;
    }
}

@media screen and (max-width: 500px) {
    .row_a .col-sm-4 {
        width: 85%;
        float: none !important;
        margin: 25px auto;
    }

    .bz_tab {
        margin-right: -8px;
        margin-left: -8px;
        text-align: center;
    }

    .bz_tab .col-xs-3 {
        padding: 0 8px;
    }
}

@media screen and (max-width: 460px) {
    .c4_ydbg{
        height: 200px;
    }

}

@media screen and (max-width: 320px) {

}