.oc-index-main-box {
	width: 690px;
	height:189px;
	background: url(/images/oc/oc_index_img_bg.jpg) no-repeat right 0;
	position: relative;
}
.oc-index-main-box .product {
	position: absolute;
	top: 7px;
	left: 0;
}
.oc-index-main-box .download {
	position: absolute;
	top: 7px;
	left: 239px;
}