@media(max-width: 1200px){
   

	 .about .box5 .list .u1,
	 .about .box5 .list .u2,
	 .about .box5 .list .u3{
	 	 height: 150px;
	 }

	 .about .box5 .list .u1 li,
	 .about .box5 .list .u2 li,
	 .about .box5 .list .u3 li,
	 .about .box5 .list .ul li{
  		width:150px;
  		height: 150px;
	 }

	 .top-tel{
	 display:none;
}


 }

@media(max-width: 992px){
 
 .brand-txt{
 	display: none!important;
 }

 }
 
@media(max-width: 768px){

	.show .d-none{
		 display: block!important;
	}
	 .case-logo .timer{
	 	 font-size: 30px;
	 }

	 .about .box5 .list .u1,
	 .about .box5 .list .u2,
	 .about .box5 .list .u3{
	 	 height: 100px;
	 }

	 .about .box5 .list .u1 li,
	 .about .box5 .list .u2 li,
	 .about .box5 .list .u3 li,
	 .about .box5 .list .ul li{
  		width:100px;
  		height: 100px;
	 }

	 .head-sm-height{
	 	height: 72px;
	 }


	 .advantage{
	 	 padding: 20px;
	 }

	 .advantage-list{
		padding:0!important;
	}

	.advantage-list:nth-child(1) .advantage{
		border-right:1px solid #ddd;
		border-bottom: 1px solid #ddd;
	}
	.advantage-list:nth-child(2) .advantage{
		border-bottom: 1px solid #ddd;
	}
	.advantage-list:nth-child(3) .advantage{
		border-right:1px solid #ddd;
	}


	.newslist .cont-box{
		 height: 210px;
	}
	.newslist .cont-box .desc{
		 height: 160px;
		 overflow-y: hidden;
	}

	.server-index{
		 height: 150px;
		 padding-top: 30px;
	}

	.server-index .mb-5{
		 margin-bottom: 10px!important;
	}

	.navbar-nav .dropdown-menu{
		 display:flex;
		 width:100%;
		 flex-wrap: wrap;

	}
	.dropdown-item{
		 width:33%;
		 float: left;
		 display: inline-block;
	}
    

    .banner-btn{
    	 width:150px;
    	 height: 40px;
    	 line-height: 40px;
    	 font-size: 14px;
    }



}