*{
	margin: 0;
	padding: 0;
}
body{
	font: 16px/1.8  "LiHei Pro","Microsoft YaHei", "微软雅黑",Tahoma, Arial, sans-serif;
}
.section{
	position: relative;
	background-color:#fff;
	overflow: hidden;
	text-align: center;
}
/*第一屏样式*/
.section1{
	background: url(../images/hero_sunset_large_2x.jpg) no-repeat center;
	background-size: cover;
}
.section1 h1{
	margin-top: 5%;
	color: #fff;
	letter-spacing:8px;
	font-weight: normal;
	font-size: 70px;
	opacity: 0.8;
}
.section1 p{
	margin: 5% auto 0;
	font-size: 18px;
	color: #fff;
	opacity: 0.65;
	width: 60%;
	margin-top: 800px;
}
.section1 a{
	display: block;
	margin: 5% auto 0;
	color: #ff9000;
	font-size: 18px;
	opacity: 0.9;
}

/*第二屏样式*/
.section2{
	background: #f2f2f2 url("../images/technology_hero_large_2x.jpg") no-repeat bottom;
	background-size:100% ;
}
.section2 h1{
	margin:20px auto;
	color: #333;
	font-weight: normal;
	font-size: 50px;
}
.section2 a{
	display: block;
	margin: 20px auto 0;
	font-size: 18px;
	color: #08c;
}
/*第三屏样式*/
.section3{
	background: url("../images/timekeeping_hero_large_2x.jpg") no-repeat center 300px;
	background-size:50% ;
}
.section3 h1{
	margin:20px auto;
	color: #333;
	font-weight: normal;
	font-size: 40px;
	width: 60%;
	margin-left: -1500px;
}
.section3 p{
	margin: 20px auto 0;
	color: #333;
	font-size: 18px;
	width: 60%;
	margin-left: 1500px;
}
.section3 a{
	display: block;
	margin: 20px auto 0;
	font-size: 18px;
	color: #08c;
}
/*第四屏样式*/
.section4{
	background-color: #fff;
}
.section4 h1{
	margin: 20px auto;
	color: #333;
	font-size: 40px;
	font-weight: normal;
}
.section4 .row{
	width: 95%;
	margin-left: 20px;
	font-size: 18px;
	color: #333;
}
.section4 .column{
	float: left;
	display: inline-block;
	width: 31%;
	margin: 10px;
	padding-bottom: 30px;
	background-color: #f2f2f2;
}
.section4 .column img{
	height: 300px;
	margin-top: 30px;
}
.section4 .column h4{
	margin: 20px auto;
}

.section4 .column h4.primary{
	background-image: url("../images/logo_collection_primary.svg");
	background-size:102px 22px;
	height: 22px;
	width: 102px;
}
.section4 .column h4.sport{
	background-image: url("../images/logo_collection_sport.svg");
	background-size:178px 22px;
	height: 22px;
	width: 178px;
}
.section4 .column h4.edition{
	background-image: url("../images/logo_collection_edition.svg");
	background-size:190px 22px;
	height: 22px;
	width: 190px;
}

.section4 .column p{
	margin: 10px auto;
	width: 90%;
	font-size: 16px;
}
.scetion4 .column a{
	display: block;
	margin: 10px auto 0;
	color: #08c;
	font-size: 16px;

}