*{ margin: 0; padding: 0;}
a{ text-decoration: none; color: #fff;}
header{ background: #015a58; height: 120px; position: sticky; top: 0; width: 100%; z-index: 9999;}
nav{ display: inline-block; vertical-align: middle;}
nav a{ margin: 0 100px; padding-bottom: 10px;}
nav a:first-child{ border-bottom: #FFFFFF 2px solid;}
.logo{ margin-left: 10%; padding: 10px; vertical-align: middle;}
/* 第二平 */
.er{
	background-color: #f1b646;
	height: 100vh;
	overflow: hidden;
}
.xiao{ float: left; width: 50%;}
.jianj{
	float: right;
	width: 40%;
}
.er p{width: 50%; position: absolute; top: 400px; right: 5%; font-size: 20px; text-indent: 2em;
	
}
/* 第三屏 */

.san{
	background: url(../images/10.jpg) no-repeat;
	height: 1080px;
	background-size: 100% 100%
}
.chanpin{
	display: table-cell;
	vertical-align: middle;
}
.chanpin{
	text-align: center
}
/* 第四屏 */
.si{
	background: url(../img/1000.png) no-repeat;
	height: 1080px;
	text-align: center;
	background-size: 100% 100%;
}
.ry img{
	margin: 200px;
}
.tu777{
	margin-top: -200px;
}
/* 第五屏 */
.wu{
	background: url(../img/1001.png) no-repeat;
	height: 1080px;
	background-size: 100% 100%;
	text-align: center; overflow: hidden;

}
.wu p{
	margin: 150px;
	
}
.ewm img{
	margin-top: -500px;
}