#base_hd{
	padding:10px 0;
	border-bottom:3px #191572 solid;
}
#base_bd{
	border-top:1px #237EE2 solid;
	background:#98C5F5;
	padding:9px;
}
.introduce_left, .introduce_right{
	float:left;
}
.introduce_left{
	width:221px;
	padding-right:9px;
}
.introduce_right{
	width:530px;
	height:505px;
	background:url(http://pic.ctrip.com/IE8/bg_introright.png) no-repeat;
}
/*leftBox*/
.introduce_downie{
	width:221px;
	height:241px;
	display:block;
	margin:0 auto;
	background:url(http://pic.ctrip.com/IE8/btn_downie8.gif) no-repeat;
}
.introduce_webslice{
	width:221px;
	height:252px;
	background:url(http://pic.ctrip.com/IE8/bg_webslice.png) no-repeat;
	margin-top:10px;
}
/*rightBox*/
.introduce_visualsearch, .introduce_accelerator{
	width:252px;
	padding:45px 0 0 41px;
}
.introduce_accelerator{
	margin-top:45px;
}
.introduce_visualsearch ol, .introduce_accelerator ol{
	margin-bottom:15px;
}
.introduce_visualsearch li, .introduce_accelerator li{
	list-style-type:decimal;
	list-style-position:inline;
}
.btn_visualsearch, .btn_accelerator{
	display:block;
	width:140px;
	height:30px;
	margin:0 auto;
	background-image:url(http://pic.ctrip.com/IE8/btn_step.png);
	background-repeat:no-repeat;
}
.btn_accelerator{
	background-position:0 -42px;
}