@media screen and (max-width: 1500px) {
    .sk_box_nav {
        width: 1200px;
        height: auto;
        margin: 0 auto;
        /* background-color: azure; */
        line-height: 140px;
    }
        .base-wrapper {
        width: 1200px;
     
    }
        .sk_nav ul li {
        float: left;
        margin-left: 39px;
    }
    .sk_logo {
    
    margin-right: 10%;
    }
    .sk_wrap_scheme1 {
    
    background: url(678bj.png) no-repeat 0 304px;
    }
    
    .sk_wrap_scheme2 {
    
    background: url(789bj.png) no-repeat 906px 255px;
    }
    
    .sk_wrap_scheme3 {
    
    background: url(678bj.png) no-repeat 580px 45px;
    }
    
    .sk_box_scheme {
        width: 1200px;
      
    }
    .sk_scheme_left {
        width: 535px;
    
    }
    .sk_scheme_right {
        width: 610px;
      
    }
    
    .sk_scheme_right h2 {
    
        padding-top: 12px;
    
    }
    .sk_scheme_right p {
    
        line-height: 36px;
        margin-bottom: 14px;
    
    }
    
    .footer_box_sk {
        width: 1200px;
        margin: 0 auto;
    }
    
    .fotbot_right ul li a {
        font-size: 16px;
    
    }
    .fotbot_left ul li a {
        font-size: 16px;
    
    }
    
    .w {
        width: 1280px;
        margin: 0 auto;
    }
    .sk_ly_lb ul li img {
        width: 100%;
        height: auto;
    }
    
    .sk_xwzx_right1 {
        width: 800px;
      
    }
    .sk_xwzx_right1 p {
       
        overflow: hidden;
        text-overflow: ellipsis;
        word-break: break-all;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
    }
    
    .sk_qywh_1 {
        height: 710px;
    
    }
    .sk_qywh_2_ul ul li {
        width: 25%;
    
    }
    
    .lxwm_ner ul li {
      
        padding-left: 3%;
    
    }
    .lxwm_ner_right p {
        /* font-size: 34px; */
        font-weight: 400;
        color: rgba(0, 0, 0, 0.85);
        margin-top: 10px;
        width: 64%;
        float: right;
        text-align: justify;
    }
        .lxwm_ner_right h2 {
        /* font-size: 30px; */
        color: rgba(0, 0, 0, 0.85);
        margin-top: 27px;
    }
    .ztmb_left {
        width: 630px;
        height: auto;
        float: left;
    }
    .ztmb_right {
        width: 548px;
        float: right;
    }
    
    #tabcontent5 .ztmb_right {
        margin-top: 112px;
    }
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    }