.dqmd{
	position: relative;
}

@media only screen and (min-width:1200px ) {
#nav{
	width: 100%;
	min-width: 1200px;
	margin: auto;
	padding-top:110px;
	padding-bottom: 40px;
	background: white;
	overflow: hidden;
}
.nav{
	width: 1200px;
	margin: auto;
	overflow: hidden;
}
h1{
	text-align: center;
	line-height: 60px;
	color:#3C3C3C ;
}
.p1{
	text-align: center;
	color: #969696;
	font-size: 14px;
	margin-bottom: 60px;
}
.md{
	height: 60px;
	line-height: 60px;
	padding-left:2rem ;
	padding-right: 2rem;
	float: left;
	display: block;
	border-bottom: 1px solid #CBCBCB;
	color: #666;
	margin-left: 25px;
	cursor: pointer;
}
.md:hover{
	color:#333 ;
	font-weight: 600;
	border-bottom: 1px solid #636363;
}
.md_active{
	color:#333 ;
	font-weight: 600;
	border-bottom: 1px solid #636363;
}
#MD{
	width: 1200px;
	padding-bottom: 40px;
	margin:0 auto 40px;
	overflow: hidden;
}
.MD-li{
	width: 330px;
	height:150px ;
	border-radius: 5px;
	background: white;
	float: left;
	margin-left: 30px;
	margin-top: 30px;
	padding: 25px;
}
.MD-li-p1{
	font-size: 18px;
	height: 40px;
	color:#7C7C7C ;
	 overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    border-bottom: 1px solid #F8F8F8;
}
.MD-li-p2{
	font-size: 14px;
		color:#7C7C7C ;
		margin-top: 20px;
		line-height: 30px;
		 overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
	
}.MD-li-p3{
	font-size: 14px;
		color:#7C7C7C ;
		line-height: 25px;
		overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
     -webkit-line-clamp: 3; 
    -webkit-box-orient: vertical;
	
}
.dqmd{
	display: none;
}
}
@media only screen and (min-width: 768px) and (max-width: 1200px) {
	#nav{
	width: 100%;
	margin: auto;
	padding-top:40px;
	padding-bottom: 40px;
	background: white;
	overflow: hidden;
}
.nav{
	width: 100%;
	margin: auto;
	overflow: hidden;
}
h1{
	text-align: center;
	line-height: 60px;
	color:#3C3C3C ;
}
.p1{
	text-align: center;
	color: #969696;
	font-size: 14px;
	margin-bottom: 60px;
}
.md{
	height: 60px;
	line-height: 60px;
	padding-left:2rem ;
	padding-right: 2rem;
	float: left;
	display: block;
	border-bottom: 1px solid #CBCBCB;
	color: #666;
	margin-left: 25px;
	cursor: pointer;
}
.md:hover{
	color:#333 ;
	font-weight: 600;
	border-bottom: 1px solid #636363;
}
.md_active{
	color:#333 ;
	font-weight: 600;
	border-bottom: 1px solid #636363;
}
#MD{
	width: 98%;
	padding-bottom: 40px;
	margin:0 0 40px 2%;
	overflow: hidden;
}
.MD-li{
	width: 30%;
	height:150px ;
	border-radius: 5px;
	background: white;
	float: left;
	margin-left: 1%;
	margin-top: 30px;
	padding: 20px 1%;
}
.MD-li-p1{
	font-size: 18px;
	height: 40px;
	color:#7C7C7C ;
	 overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    border-bottom: 1px solid #F8F8F8;
}
.MD-li-p2{
	font-size: 14px;
		color:#7C7C7C ;
		margin-top: 20px;
		line-height: 30px;
		 overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
	
}.MD-li-p3{
	font-size: 14px;
	color:#7C7C7C ;
	line-height: 25px;
	overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
     -webkit-line-clamp: 3; 
    -webkit-box-orient: vertical;
	
}
.dqmd{
	display: none;
}
}
@media only screen and (max-width: 768px) {
	#nav{
	width: 100%;
	margin: auto;
	padding-top:20px;
	padding-bottom: 20px;
	background: white;
	overflow: hidden;
}
.nav{
	width: 100%;
	margin: auto;
	overflow: hidden;
}
h1{
	text-align: center;
	line-height: 40px;
	color:#3C3C3C ;
	font-weight: 800;
	font-size: 16px;
}
.p1{
	width: 98%;
	margin: auto;
	text-align: center;
	color: #969696;
	font-size: 14px;
	margin-bottom: 20px;
}
.dqmd{
	width: 98%;
	height: 40px;
	text-align: center;
	font-size: 16px;
	line-height: 40px;
	color: #333;
	display: block;
	margin: auto;
	background: gainsboro;

}
.md-ul{
	width: 98%;
	padding: 1px 0;
	margin:10px auto 0;
	display: none;
}
.md{
	width: 31% !important;
	height: 30px;
	line-height: 30px;
	text-align: center;
	float: left;
	display: block;
	border-bottom: 1px solid #CBCBCB;
	color: #666;
	cursor: pointer;
	margin-left: 1%;
	margin-right: 1%;
	font-size: 14px;
}
.md:hover{
	color:#333 ;
	font-weight: 600;
	border-bottom: 1px solid #636363;
}
.md_active{
	
	color:#333 ;
	font-weight: 600;
	border-bottom: 1px solid #636363;
}
#MD{
	width: 98%;
	padding-bottom: 40px;
	margin:0 0 40px 2%;
	overflow: hidden;
}
.MD-li{
	width: 96%;
	border-radius: 5px;
	background: white;
	float: left;
	margin:20px auto 0;
	padding: 10px 1%;
}
.MD-li-p1{
	font-size: 16px;
	height: 30px;
	line-height: 30px;
	color:#7C7C7C ;
	 overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    border-bottom: 1px solid #F8F8F8;
}
.MD-li-p2{
	font-size: 14px;
		color:#7C7C7C ;
		margin-top: 10px;
		line-height: 30px;
		 overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
	
}.MD-li-p3{
	font-size: 14px;
	color:#7C7C7C ;
	line-height: 25px;
	overflow : hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
     -webkit-line-clamp: 3; 
    -webkit-box-orient: vertical;
	
}
}