.i1{
	background: url(../img/case/1.png) no-repeat top center;
	height: 740px;
}

.i2{
	background: url(../img/case/2.png) no-repeat top center;
	height: 491px;
}
.i2 .t1{
	font-size: 20px;
	padding-top: 200px;
	line-height: 34px;
	color: #444;
}
.i2 .t2{
	font-size: 18px;
	padding-top: 50px;
}
.i2 .t2 span{
	margin: 0 42px;
	color: #fff;
}
.i3{
	background: url(../img/case/3.png) no-repeat top center;
	height: 1363px;
}
.i3 p{
	width: 1240px;
	margin: 0 auto;
	clear: both;
}
.i3 p span{
	display: block;
	float:left;
	width: 280px;
	margin-right: 30px;
	text-align: center;
	cursor: pointer;;
}
.i3 .t1{
	padding-top: 215px;
}
.i3 .t2{
	padding-top: 217px;
}
.i3 .t3{
	padding-top: 219px;
}
.i3 .t4{
	padding-top: 220px;
}
.i3 .t5{
	padding-top: 212px;
}