.join_us SPAN{line-height:22px;display:block;font-size:14px;padding-top:10px;padding-right:20px;}
.join_us{width:590px}
.join_us A{text-align:left;padding-left:145px;width:145px;display:block;float:left;height:150px;color:#000;font-size:18px;text-decoration:none;padding-top:40px}
.join_us A:hover{color:#000;}
.join_us .up{margin-bottom:-3px;  opacity: 0.7;}
.join_us .down{margin-bottom:-3px;  opacity: 0.7;}
#join_fir{background:url(../image/ys1.png) #fff no-repeat 40px center;margin-right:10px;transition:background 1s;}
#join_sec{background:url(../image/ys2.png) #fff no-repeat 40px center;transition:background 1s}
#join_thi{background:url(../image/ys3.png) #fff no-repeat 40px center;margin-right:10px;transition:background 1s}
#join_fou{background:url(../image/ys4.png) #fff no-repeat 40px center;transition:background 1s}
#join_fir:hover{background:url(../image/ys1.png) #deeeff no-repeat 40px center;color:#000;margin-right:10px;transition:background 1s}
#join_sec:hover{background:url(../image/ys2.png) #deeeff no-repeat 40px center;color:#000;transition:background 1s}
#join_thi:hover{background:url(../image/ys3.png) #deeeff no-repeat 40px center;color:#000;margin-right:10px;transition:background 1s}
#join_fou:hover{background:url(../image/ys4.png) #deeeff no-repeat 40px center;color:#000;transition:background 1s}



.ystitlew{margin:46px auto auto;width:1200px;}
.ystitle.title {
	float: left;
	width: 128px;
	height: 162px;
	padding: 0 46px;
	background: url(../image/productstitlebg.jpg) no-repeat center;
}
.ystitle p {
	font-size: 22px;
	font-family: arial;
	text-transform: uppercase;
	margin-top: 26px;
	color: #fff;
}
.ystitle h2 {
	font-size: 32px;
	font-weight: bold;
	margin: 12px 0 28px 0;
}
.ystitle h2 a {
	color: #fff;
	text-decoration: none;
}

#box_main_sub4{margin-bottom:0px;margin-top:0px;width:100%;float:none;padding-top:20px;background: url(../image/whybg.jpg) no-repeat; height: 650px; background-size: cover;}

#box_main_sub4_sub1{width:100%}
#box_main_sub4_sub2{margin:46px auto auto;width:1200px;float:none}
#box_main_sub4_sub2_sub1{width:560px;float:right}

#box_main_sub4_sub2_sub2{width:590px;float:left}