nav{
	display: block;
}
section{
	padding-top: 120px;
}
.cont{
	padding: 0 100px;
}
.cont-title p{
	font-size: 16px;
	color: #999;
	line-height: 24px;
}
.xian{
	width: 32px;
	height: 4px;
	background: #18CEB4;
	margin:0 auto 10px;
}
.function-list{
	
}
.function-list li{
	float: left;
	width: 14%;
	margin-right: 7.5%;
	margin-bottom: 25px;
	
}
.function-list li:nth-child(5n){
	margin-right: 0;
}
.function-list li a{
	display: block;
	width: 100%;
	text-align: center;
	padding: 30px 0;
}
.function-list li a i{
	font-size: 54px;
	color: #18CEB4;
}
.function-list li a p{
	margin-top:20px;
	font-size: 16px;
}
.function-list li:hover{
	background: #18CEB4;
	box-shadow: 3px 3px 5px #eee;
	-webkit-box-shadow: 3px 3px 5px #eee;
	-moz-box-shadow: 3px 3px 5px #eee;
}
.function-list li:hover i{
	color: #fff;
}
.function-list li:hover p{
	color: #fff;
}
.choose-ul li{
	float: left;
	width: 30%;
	margin-right: 5%;
	margin-bottom: 70px;
}
.choose-ul li:last-child{
	margin-right: 0;
}
.choose-ul li h2{
	color: #18CEB4;
	font-size: 50px;
	margin-bottom: 20px;
}
.choose-ul li h3{
	font-weight: bold;
	font-size: 24px;
	position: relative;
	margin-bottom: 25px;
}
.choose-ul li h3:before{
	position: absolute;
	content: "";
	width: 38px;
	height: 4px;
	background: #18CEB4;
	bottom: -15px;
}
.choose-ul li p{
	font-size: 16px;
	line-height: 30px;
	color: #999;
}
.free-div{
	width: 100%;
	height: 280px;
	background: url(../img/free-div.png) no-repeat;
	padding:70px 0;
}
.free-div h2{
	font-size:34px;
	color: #fff;
	margin-bottom: 42px;
}
.free-use{
	margin: auto;
}