@media screen and (min-width:1024px) and (max-width:1239px) {
    .top_bar {
        width: 90%;
        margin: auto;
        overflow: hidden;
    }
    .logo img {
        width: 80px;
    }
    .logo span {
        font-size: 24px
    }
    .logo span i {
        font-size: 12px
    }
    .nav_items {
        width: 90%;
    }
    .super_bar {
        min-height: 360px;
    }
    .super {
        width: 90%;
        left: 5%
    }
    .about_bar {
        width: 90%;
    }
    .unique_bar {
        width: 90%;
    }
    .case_items {
        height: 240px;
    }
    .btn2 {
        width: 100%;
        position: absolute;
        top: 36%;
        margin-top: -20px;
        overflow: hidden;
    }
    .btn2 span {
        font-size: 40px;
        height: 50px;
        line-height: 40px;
        color: #fff;
        background: #ccc;
        cursor: pointer;
    }
    .foot_items {
        width: 90%;
    }
    .partner_bar {
        width: 90%;
    }
    .about_intro {
        width: 90%;
    }
    .about_history_cont {
        width: 90%;
    }
    .about_brand {
        width: 90%
    }
    .about_service {
        width: 90%
    }
    .bg1 {
        width: 90%
    }
    .bg2_items {
        width: 90%;
        height: 300px;
    }
    .team {
        width: 90%;
    }
    .honor {
        width: 90%
    }
    .big_bar {
        width: 80%;
    }
    .big_items {
        width: 90%;
    }
    .sub_tit {
        width: 90%
    }
    .unique_bar {
        width: 90%
    }
    .news_cont {
        width: 90%;
    }
    .jobs_cont {
        width: 90%;
    }
    .contact_item {
        width: 90%;
    }
    .service_item1_bar {
        width: 90%;
    }
    .service_item1_bar ul li a {
        width: 220px;
        height: 220px;
        /*behavior:url(../js/ie-css3.htc);*/
    }
    .service_item1_bar ul li a span {
        width: 46px;
        height: 46px;
        line-height: 40px;
        right: 8px;
        bottom: 8px;
        font-size: 40px;
    }
    .waterfall_bar {
        width: 90%;
    }
    .form_cont {
        width: 90%;
    }
    .star_tit {
        width: 90%;
    }
    .show_cont {
        width: 90%
    }
    .show_case ul {
        width: 90%
    }
    .case_cont img {
        width: 30%;
    }
    .case_cont p {
        width: 65%;
    }
    .depend_bar {
        width: 90%
    }
    .depend_item_left h1 {
        font-size: 26px;
    }
    .depend_item_left h1 span {
        display: block;
        font-size: 18px;
    }
    .depend_item_left h5{
        font-size:16px;
    }
    .depend_item_left h6{
        margin:16px;
    }
    .news_inner{
        width: 90%;
    }
    /*瀑布流*/
    .container-fluid {
        width: 90%;
    }
    .box{
        width: 220px;
    }
    /*技防服务*/
     .business_inner3 {
        width: 90%;
    }
    .about1{
        width: 90%
    }
    .about1 h1{
        font-size: 20px;
    }
    

}