*{margin: 0;
padding: 0;
	
}
a{
	text-decoration: none;
}
.w1200{
	
	width: 1200px;
	margin: 0 auto;
	
	
}
.clear{clear: both;	}

.dnn-z{
		
		    width: 100%;
			height: 450px;
		    /* height: 100vh; */
		    background-image: url(../img/banner图.png);
		    background-size: 100% 100%;
		
}


.dnn{
	position: relative;
}

.jianjie{
	margin-top: 190px;
	width: 100%;
	float: left;
}
.jianjie .jjbt{
	margin-left: 158px;
}

	



.jianjie .jjbt .y h1{
	float: left;
	font-family: SimHei;
	font-size: 48px;
	font-weight: bold;
	font-stretch: normal;
	
	letter-spacing: 5px;
	color: #999999;
	
}
.jianjie .jjbt .y .line{
	float: left;
	margin-left: 25px;
	margin-top: 26px;
	margin-bottom: 10px;
	width: 62px;
		height: 2px;
		background-color: #999999;
		overflow: hidden;
	
	
}


.jianjie .jjbt .z{
	    margin-top: 4px;
	    font-family: SimHei;
	    font-size: 30px;
	    font-weight: bold;
	    font-stretch: normal;
	    margin-bottom: 33px;
	    letter-spacing: 3px;
	    color: #ffffff;
	    overflow: hidden;
	
}
.jianjie .zw{
	
	color: #c5c5c5;
	
}

.bjt{
	padding-top: 123px;
	
	
}


.bjt img{
	margin-left: 138px;
	
	
}
.hang{
	
	display: flex;
	
}
	
}
.lie{
	width: 465px;
	float: left;
	margin-right: 22px;
	
}

/* banner下-内容 */
.neirong{
		
		width: 992px;
		margin: 0 auto;
		margin-top: 50px;
		/* width: 1278px; */
		margin-bottom: 24px;
		overflow: hidden;
		
}
.neirong .tp{
		float: left;
		width: 400px;
		overflow: hidden;
}
.neirong .tp img{
		width: 100%;
		height: 100%;
		
			

}

.neirong .dw{
	
	
	height: 230px;
	float: left;


	margin-top: 34px;
	background-color: #ffffff;
	box-shadow: 1px 2px 16px 1px
		rgba(113, 113, 113, 0.17);
		
	
}


.neirong .dw .ztp{
	float: left;
	width: 55px;
			
	
	
		
	
}

.neirong .dw .ztp img{
	
	width: 100%;
			
	
	
		
	
}

.neirong .dw .zj{
	
		
		
		
		
	
}

.neirong .dw .zj{
			width: 430px;
			margin-top: 20px;
			margin-left: 4px;
			float: left;

	
}

.neirong .dw .zj h3{
			
			font-family: MicrosoftYaHei;
			font-size: 24px;
			font-weight: normal;
			font-stretch: normal;
/* 			line-height: 92px; */
			letter-spacing: 1px;
			color: #000000;
			margin-bottom: 20px;
			
}

.neirong .dw .zj p{
			

			font-family: MicrosoftYaHei;
			font-size: 16px;
			font-weight: normal;
			font-stretch: normal;

			letter-spacing: -1px;
			color: #999999;
		
	
}


.neirong .dw .rq{
		width: 66px;
		float: left;
		padding-right: 18px;
		margin-left: 18px;
		margin-top: 12px;
	
	
}

.neirong .dw .rq .y{
	
		font-family: MicrosoftYaHei;
		font-size: 23px;
		font-weight: normal;
		font-stretch: normal;
		letter-spacing: -1px;
		color: #000000;
	
}

.neirong .dw .rq .n{
	
		font-family: MicrosoftYaHei;
		font-size: 16px;
		font-weight: normal;
		font-stretch: normal;
		margin-left: 24px;
		letter-spacing: -1px;
		color: #999999;
	
}


.neirong .dw .rq .y-anniu{
		
	
		margin-top: 138px;
		margin-bottom: 12px;


	
	
}

.neirong .dw .rq .y-anniu{
	
	
	
	


}

.jianjie{
	
	
	
}


.jianjie .jjbt{
	
	
	
}

.jianjie .jjbt h1{
	

		font-family: MicrosoftYaHei-Bold;
		font-size: 48px;
		font-weight: bold;
		font-stretch: normal;
		line-height: 92px;
		letter-spacing: 5px;
		color: #ffffff;
}

.jianjie .jjbt .line-bt{
		width: 100%;
		max-width: 950px;
		min-width: 600px;
		height: 2px;
		background-color: #999999;
	
}

.dnn-z{
	
	position: relative;
	
}

.liulan{
		
		
		width: 100%;
		height: 48px;
		background-color: #000000;
		opacity: 0.5;
		
		position: absolute;
		
		
		margin-top: 402px;
	
}



.liulan .lie-1{
		margin-top: 10px;
		float: left;
		overflow: hidden;
	
}

.liulan .lie-1 .icon1{
	float: left;
	
	
	
}

.liulan .lie-1 .icon1 img{

	
	
	
}

.liulan .lie-1 p{
		margin-top: 3px;
		float: left;
		font-family: SimHei;
		font-size: 14px;
		font-weight: normal;
		font-stretch: normal;
		letter-spacing: 0px;
		color: #999999;
		margin-left: 10px;
		margin-right: 130px;
		overflow: hidden;
}

.liulan .lie-1 p span{
	color: #ffffff;
}

.liulan .w1200 :nth-child(4){
	/* clear: both; */
	float: right;
	/* margin-right: 220px; */
/* 	margin-right: 220px; */
	
	
}
.liulan:nth-child(1){
	
	margin-left: 134px;
	
	
}



.neirong1{
		margin-top: 50px;
		width: 832px;
		margin: 0 auto;
	}
	
.neirong1 h3{
		margin-top: 50px;
		margin-bottom: 70px;
		font-family: MicrosoftYaHei;
		font-size: 18px;
		font-weight: bold;
		font-stretch: normal;
	
		letter-spacing: 0px;
		color: #333333;
		
	
}

.neirong1 p{
		margin-top: 50px;
		margin-bottom: 70px;
		font-family: MicrosoftYaHei;
		font-size: 16px;
		font-weight: bold;
		font-stretch: normal;
	
		letter-spacing: 0px;
		color: #666666;
		
	
}