.top {
	width:880px;height:220px; 
}

/*主体内容*/
.nav {
	width:850px; height:20px; text-align:right; margin:5px;
}
.nav a {
	color:#000080;
}
.main {
	width:880px;;
}

/*左边栏目内容*/
.left {
	width:190px;  float: left; margin-right:20px; 
}
.left_nav {
	width:190px;
}

.left_tel {
	width:190px;
}

/*右边栏目内容*/
.right {
	width:650px; float:left;line-height:30px; text-align:left; margin:0px 10px; 
}
.title {
	width:650px; height:70px;
}

/* 下载列表标签 */
.down {
	width:640; height:140px; margin-top:20px;
}
.down_top {
	width:640px; height:25px; background:#F4F4E9;
}
/*
.down_logo {
	width:25px; height:25px; float:left; 
}
*/
.down_biaoti {
	width:400px; height:25px; float:left;color:#EF5603; font-size:14px;font-weight: bold; 
}
.down_biaoti a {
	 text-decoration: none; color:#EF5603;
}
.down_time {
	width:80px; height:25px; float:left; 
}

.down_cishu {
	width:60px; height:25px; float:left; 
}
.down_word {
	width:600px; height:70px; margin:10px 20px; line-height:20px; 
}
.down_bottom {
	width:640px; height:25px; background:#FAFAFA;
}
.down_leibie {
	width:150px; height:25px; margin-right:10px; float:left;
}
.down_fangshi {
	width:150px; height:25px; margin-right:10px; float:left;
}
.down_huanjing {
	width:190px; height:25px; float:left;
}
.down_redu {
	width:100px; height:25px; float:left;
}

/* 技术白皮书列表 */
.download {
	width:640px; margin-top:15px;
}
.download_main {
	width:303px; margin:5px; border:#e5e5e5 solid 1px;  float:left;height:250px;
}
.download_title {
	width:298px; background:#F4F4E9; height:25px;color:#EF5603;font-size:12px;font-weight: bold; padding-left:5px;
}
.download_biao {
	width:303px; margin-left:15px;
}