*{margin: 0;padding: 0;}
a{text-decoration: none;}
.dnn-z{
	width: 100%;
	height: 450px;
	background-image: url(../img/banner图.png);
	background-size: 100% 100%;
}
.dnn{
	position: relative;
}
.jianjie{
	margin-top: 190px;
	width: 680px;
	float: left;
	margin-left: 158px;
}
.jianjie .jjbt .y{
    width: 440px;
    overflow: hidden;
}
.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;
}
.xdao{
	width: 947px;
	height: 160px;
	background-color: #ffffff;
	box-shadow: 1px 2px 16px 1px 
	rgba(113, 113, 113, 0.17);
	margin: 0 auto;
	margin-top: -65px;
	margin-bottom: 100px;
}
.xdao .w1{
	margin-left: 136px;
	float: left;
	margin-top: 40px;
}
.xdao .w1 p{
	text-align: center;
	font-size: 30px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 3px;
	color: #333333;
	margin-bottom: 31px;
}

.xdao .w1 .line-x1{
	width: 138px;
	height: 5px;
	background-color: #ff0000;
	opacity: 0;
}
.xdao .active .line-x1{
    opacity: 1;
}
/* banner下-内容 */
.neirong{
	width: 992px;
	margin: 0 auto;
	margin-top: 50px;
	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{
	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;
	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;
}