.b_1{background:url(../images/kskz/b_1.jpg) no-repeat center;height:490px}
.box_1{width:100%;height:833px;background:#f5f5f5}
.content_1{background:url(../images/kskz/b_5.jpg) no-repeat;height:401px}
.content_1,.content_2{width:75pc;margin:0 auto}
.content_2{background:url(../images/kskz/b_6.jpg) no-repeat;height:27pc}
.nr1{padding-left:540px;padding-top:50px}
.wz{font-size:20px;line-height:40px}
h2{height:75pt;padding-left:150px}
.nr2{padding-left:540px;padding-top:5pc}
.wz1{font-size:1pc;line-height:33px;width:530px;text-indent:2em}
.wz1 a{color:red}.b_5{height:284px}
.b_5,.b_6{width:75pc;margin:0 auto}
.b_6{height:254px}
.b_7{background:url(../images/kskz/b_9.jpg) no-repeat;width:75pc;margin:0 auto;height:392px}
.nr3{padding-left:620px;padding-top:40px}
.wz3{font-size:1pc;line-height:30px}
.zs{width:750pt;margin:0 auto;height:530px}
.zs ul{list-style:none;margin:0;padding:0}
.zs ul li{display:block;float:left;width:300px;height:232px;margin-left:25px;margin-top:25px;text-align:center;font-size:18px}
.zs1{width:75pc;margin:0 auto;height:250px}
.zs1 ul{list-style:none;margin:0;padding:0}
.zs1 ul li{display:block;float:left;width:220px;height:157px;margin-left:15px;margin-top:25px;text-align:center;font-size:18px}
.hotcourse{display:none}
.hotcourse_bg{opacity:.9;filter:alpha(opacity=90)}
.hotcourse_info{box-shadow:1px 1px 1px #ddd}
.title_1{margin: 10px auto;text-align: center;}
.more_zs{
	width: 75pc;
	margin: 0 auto;
	height: 200px;
}
.more_zs ul{
	list-style: none;
	margin: 0;
	padding: 0;	
}
.more_zs ul li{
	display: block;
	float: left;
	width: 185px;
	margin-left: 15px;
	margin-top: 20px;
}
.more_zs ul li img{
	width:100%;
}