/*==========
    box居中
  ==========*/
.lest4{
	width:12rem;
	height:5rem;
	position: relative;
	background: #fff;
	overflow:hidden;
	display:inline-block;
}

.box4_1,.box4_2,.box4_3,.box4_4,.box4_5,.box4_6,.box4_7,.box4_8,.box4_9{
	width:3.9rem;
	height:2.425rem;
	float: left;
	margin: 0 ;
	overflow: hidden;
	position: absolute;	
}
.box4_1 img,.box4_2 img,.box4_3 img,.box4_4 img,.box4_5 img,.box4_6 img,.box4_7 img,.box4_8 img{width: 100%;}
.box4_1{
	top: 0;
	left: 0;
}
.box4_2{
	top: 0;
	left: 4.05rem;
}
.box4_3{
	top: 0;
	left: 8.1rem;
}

.box4_4{
	top: 2.575rem;
	left: 0;
}
.box4_5{
	top:2.575rem;
	left:  4.05rem;
}
.box4_6{
	top: 2.575rem;
	left:8.1rem;
}