/*==========
    box居中
  ==========*/
.lest{
	width: 1200px;
	height: 714px;
	position: relative;
	background: #fff;
	
}






.box1,.box2,.box3,.box4,.box5,.box7,.box6,.box8,.box9{
	width: 390px;
	height: 228px;
	float: left;
	margin: 0 15px 15px 0;
	overflow: hidden;
	position: absolute;	
}
.box1{
	top: 0;
	left: 0;
}
.box2{
	top: 0;
	left: 405px;
}
.box3{
	top: 0;
	left: 810px;
}

.box4{
	top: 243px;
	left: 0;
}
.box5{
	top: 243px;
	left: 405px;
}
.box6{
	top: 243px;
	left: 810px;
}
.box7{
	top: 486px;
	left: 0;
}
.box8{
	top: 486px;
	left: 405px;
}
.box9{
	top: 486px;
	left: 810px;
}