@media screen and (max-width: 991px){
   
    
    .part-content{
        padding-top:30px;
    }
    #part1 .part-content img{
        width: 350px;
    
    }
    .solution{
        margin: 10px 0;
    }
    .part-content .link-text{
        text-align: center;
        font: normal 16px/30px "微软雅黑";
        padding-top:15px ;
    }
    .part-content .link-text a{
        font-size:16px;
        color:black;
        text-decoration: none;
    }
    .part-content .link-text a.more{
        display: inline-block;
        padding:5px 15px;
        color:#b73225;
        border: 1px solid #323743;
    }
    .mid{
        position: relative;
        width: 100%;
    }
    .case{
      
        padding-top:0;
    }
    .case-img{
        width: 100px;
    }
    .case-content{
        margin-top: 0;
    }

    .case-content .case-desp{
        margin-top:30px;
        font:normal 16px/30px "微软雅黑";
        color:#565656;
    }
    
    .case-province a{
        display: inline-block;
        margin: 5px;
        width: 90px;
        color:#b73225;
        text-align: center;
        font:normal 16px/30px "微软雅黑";
        border: 2px solid #d1d1d1;
        text-decoration: none;
    }
    .honor{
        margin-top:0 ;
    }
    .certificate{
        margin-top: 40px;
    }
    .ad{
        position: absolute;
        top:0;
        width: 100%;
        padding-top:0;
        z-index: -1;
    }
    .ad-title{
        font:normal 20px/35px "微软雅黑";

        color:#b73235;
        text-align: center;
        border-left:1px solid white;
        height: 35px;
    }
    .font1{
        color:#545353;
        font:normal 20px/26px '微软雅黑';
        margin-top: 30px;
        text-align: center;
    }
    .font2{
        color:#b73235;
        font:normal 30px/60px '微软雅黑';
        margin-top: 30px;
        text-align: center;
    }
    .font3{
        color:#545353;
        font:normal 25px/35px '微软雅黑';
        margin: 40px 0;
        text-align: center;
    }
    .font4{
        color:#323743;
        font:normal 30px/60px '微软雅黑';
        margin: 40px 0;
        text-align: center;
    }
    .last{
        border-right:1px solid white;
    }
    .last-block{
        height: 10px;
    }
    .news{
        width: 100%;
        padding-top: 100px;
    }
    .news-content{
        margin-top:30px;
    }
    .part-master-title{
        
        border-bottom: 1px solid #323743;
    }
    .part-master-title a{
        font:normal 16px/30px "宋体";
        text-decoration: none;
        color:#323743;
    }
    .news-date{
        font:normal 13px/30px "Sans-serif Helvetica";
        color:#999;
    }
    .desp{
        margin-top: 30px;
        color:#b73225;
        font:normal 14px/24px "宋体";
    }
    .news-more{
        margin-top: 20px;
    }
    .news-more a{
        display: inline-block;
        width:80px;
        color:#b73225;
        border:1px solid #b73225;
        text-align: center;
        border-left:2px solid #b73225;
    }
    .news-list{
        margin-top:20px;
    }
    .news-item{
       
        border-bottom: 1px solid #323743;
    }
    .news-item a{
        font:normal 13px/40px "宋体";
        color:#323743;
        text-decoration: none;
    }
    .news-list-more{
        margin-top: 15px;
    }
    .news-list-more a{
        font:normal 13px/30px "Sans-serif Helvetica";
        text-decoration: none;
    }
    .patent{
        width: 100%;
        padding-top: 55px;
        height: 800px;
    }
    .patent-number{
        color:#b73225;
        font:normal 35px/50px "微软雅黑";
        text-align: center;
        margin-top: 60px;
    }
    .patent-title{
        color:#323743;
        font:normal 24px/50px "微软雅黑";
        text-align: center;
    }
    .patent-line{
        text-align: center;
    }
    .patent-line .patent-line-white{
        border-bottom:2px solid white;
        width:200px;
        margin: 0 auto;
        height: 10px;
    }
    .patent-line span{
        display: inline-block;
        border-bottom:8px solid #b73225;
        width:100px;
        height: 14px;
        display: relative;
    }
    
   
    
    
}