#down_content{
margin-top:20px;
	width:980px;
	margin-right:auto;
	margin-left:auto;

}
#nav_rt {
	width:186px;
	float: right;
	text-align:left;
}
#down_left {
	float: left;
	width: 776px;
}

#down_leftop .read {
	padding-left: 90px;
	padding-top: 10px;


	
}
#down_leftop {
width:776px;
height:255px;
}
#down_leftop p {
	padding-top: 20px;
        margin-left:12px;
       display:inline;
}

.prod_box {
	margin-top: 25px;
        text-align:center;
}

.read li {
	float: left;
	padding-left: 2px;
}
.read_nav{
	float:left;
	background-repeat: no-repeat;
	height: 250px;
	width: 254px;
	background-image: url(http://www.iebook.cn/download/images/down/bg.jpg);
	background-position: bottom;
	margin-right: 5px;
	position:relative;
}
.read_nava{
float:right;
	background-repeat: no-repeat;
	height: 250px;
	width: 254px;
	background-image: url(http://www.iebook.cn/download/images/down/bg.jpg);
	background-position: bottom;
}
#document {
	height: 170px;
	width: 776px;
	margin-top: 20px;
}



.document_nav {
	background-image: url(http://www.iebook.cn/download/images/down/bg.jpg);
	background-repeat: no-repeat;
	background-position: bottom;
	height: 170px;
	width: 254px;
	float: left;
	margin-right: 6px;
	position:relative;
}

.document_nav ul {
	text-align: left;
	line-height: 2!important;
	line-height:1em;
	padding-top: 10px;
	padding-left: 20px;
}


.document_nava {
	background-image: url(http://www.iebook.cn/download/images/down/bg.jpg);
	background-repeat: no-repeat;
	background-position: bottom;
	height: 170px;
	width: 254px;
	float: right;
position:relative;
}
.document_nava ul {
	text-align: left;
	line-height: 2!important;
	line-height: 1em;
	padding-top: 10px;
	padding-left: 20px;
}
#free_download{
	width:980px;
	margin-left:auto;
	margin-right:auto;
	background-image:url(http://www.iebook.cn/download/images/big.jpg);
	height:193px;
	margin-top: 15px;
	margin-bottom: 15px;
}
#freeleft_nav {
	float: left;
	width: 480px;
	text-align: left;
}
#freeleft_nav h1,#freert_nav h1 {
	padding-top: 15px;
	padding-left: 20px;
}
#freeleft_nav .neiqian {
	padding-left: 20px;
}

#freeleft_nav .neiqian li {
	
	width: 220px;
	line-height: 2!important;
	line-height: 2em;
	float: left;
	display: inline;
}#freeleft_nav .neiqian {
	margin-left: 5px;
}
#freeleft_nav .free_pic {


margin-left:20px;}

#freeleft_nav .free_pic li {
	float: left;
	padding-left: 5px;
	padding-top: 10px;
}
#free_download a,#document a {
color:#333333;
	background-image: url(http://www.iebook.cn/download/images/lv.jpg);
	background-repeat: no-repeat;
	display: block;
	padding-left: 10px;
	background-position: left center;
}
#free_download a:hover,#document a:hover{
	color:#00CC00;
	text-decoration: none;
}

#freert_nav {
	float: left;
	width: 500px;
	text-align: left;
}
#freert_nav ul {
	padding-left: 30px;
}
#freert_nav li {
	float: left;
	width: 230px;
	line-height: 2!important;
	line-height: 2em;
}
.setuptype{
position:absolute;
width:220px;
top:170px;
left:20px;
}
.setuptype li{
width:110px;
float:left;
text-align:left;

}

.clearboth{ clear:both;}

.newxu01{ margin-top:12px;}
.newxu01 li{ width:120px; height:75px; overflow:hidden; float:left; text-align:center;}
.newxu01 li h6{ padding-top:3px;}