@charset "utf-8";
.syllabus_left{float: left;width: 18%; border-radius: 4px;-moz-border-radius: 2px; background: #FFF;}
.syllabus_right{float:right;width: 80%;border-radius: 4px;-moz-border-radius: 2px;background: #FFF;}

#tree1{
	width: 100%;
	font-size: 16px;
	color:#000;
	padding-top:20px;
}
#tree1 >li{width: 100%; line-height: 30px;}
#tree1 .open{ background: url(../img/jianhao.png) no-repeat;background-position:26px 8px}
#tree1 .close{ background: url(../img/jiahao.png) no-repeat;background-position:25px 7px}


#tree1 >li> a{
	color:inherit;
	height: 30px;
	padding-left: 50px;
}

.tree2{display: none;}
.tree2 li{
	color:#C1C1C1;
	height: 30px;
}
.tree2 li a{
	color:inherit;
	font-size: 14px;
	padding-left:60px;
}

.aactive{color:#3699f4;}
.tree2 li a:hover{color:#3699f4}

.net{font-size: 16px; color: #222; font-weight: 500; border-bottom: 1px solid #e7edf5;padding-bottom: 16px;
text-indent: 1em;width: 94%; margin: 0 auto;margin-top:26px;margin-bottom: 20px; }
.guanxi{font-size: 14px; color: #222; font-weight: 500; background:url(../img/border.png) no-repeat 50px 3px;height: 14px; 
text-indent: 4.5em;}
.text_middle{width: 94%; margin: 0 auto;}
.text_middle p{font-size: 14px;color: #222;}
.bold{font-weight: bold; margin: 20px 0;}
#intro{background: #e5f3fe;width: 94%; margin: 0 auto; margin-top: 20px;padding: 20px;}
#intro p{font-size: 14px;color:#222; line-height:30px; padding: 0 1em;}