.aboutbox{
	width: 1100px;
	overflow: hidden;
	margin: 20px auto;
	
}
.about_tap{
	overflow: hidden;
	border-bottom: 1px solid #FF7300;
}
.about_tap p{
	float: left;
	width: 106px;
	height: 42px;
	line-height: 40px;
	text-align: center;
	background: #F7F7F7;
	color: #333;
	margin-right: 15px;
	cursor: pointer;
}
.about_tap p.xuanzhong{
	background: #FF7300;
	color: #fff;
}
.contentbox{
	width: 100%;
	overflow: hidden;
	padding: 30px 20px;
	border: 1px solid #ccc;
	border-top: none;
}