* {
	margin: 0;
	padding: 0;
	border: 0;
	font-family: "Microsoft YaHei";
}

html, body {
	overflow: hidden;
	width: 100%;
	height: 100%;
	min-width: 1200px;
}

.clearBoth {
	clear: both;
}

.oneImg {
	width: 500px;
	float: left;
	margin-left: 20px;
}

.oneText {
	width: 550px;
	margin-top: 100px;
	margin-right: 20px;
	float: right;
}

.twoText {
	float: left;
	width: 350px;
	margin-top: 70px;
	margin-left: 30px;
}

.twoImg {
	width: 677px;
	float: right;
}

.threeImg {
	width: 570px;
	float: left;
}

.threeText {
	width: 350px;
	float: right;
	margin-top: 70px;
	margin-right: 30px;
}

.fourText {
	width: 700px;
	display: block;
}

.fourImg {
	width: 950px;
	display: block;
}

.top {
	position: fixed;
	width: 100%;
	padding-top: 10px;
	padding-bottom: 10px;
	background: white;
	z-index: 100;
	left: 0px;
	top: 0px;
	box-shadow: 0px 0px 8px #888;
}

.allContent {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-40%);
	z-index: 1;
	width: 1200px;
}

.topContent {
	width: 1200px;
	private: relative;
}

.logo {
	float: left;
	height: 50px;
}

.fourContent {
	position: fixed;
	z-index: 1;
	bottom: 4.2%;
	width: 1200px;
}

.fourBottomContent {
	width: 100%;
	position: absolute;
	z-index: 1;
	bottom: 0px;
	left: 0px;
	height: 5%;
	background: white;
	font-size: 14px;
}

.four {
	display: none;
}

.menu {
	float: right;
}

.menuSpan {
	float: left;
	cursor: pointer;
	margin-left: 20px;
	margin-top: 12px;
	margin-right: 20px;
	padding-bottom: 8px;
	font-size: 16px;
	display: block;
}

.menuSpan:hover {
	border-bottom: 2px solid #0f91ea;
	color: #0f91ea;
}

.menuActive {
	border-bottom: 2px solid #0f91ea;
	color: #0f91ea;
}

.logoBtn {
	display: block;
	float: left;
	margin-left: 100px;
	font-size: 16px;
	margin-top: 8px;
	font-family: "Microsoft YaHei";
	background: #0f91ea;
	color: white;
	padding: 6px 25px 6px 25px;
	border-radius: 5px;
	box-shadow: 0px 0px 4px #aaa;
	cursor: pointer;
}

.logoBtn:active {
	font-weight: bold;
}

.section {
	position: relative;
	display: block;
	width: 100%;
	height: 100%;
	left: 0px;
	top: 0px;
	overflow: hidden;
	position: relative;
}

.fourContent {
	position: absolute;
	bottom: 4.2%;
	width: 100%;
	left: 0px;
}