.section{overflow:hidden;padding-bottom:20px;}
.section .section_title{overflow:hidden;text-align:center;padding-top:60px;padding-bottom:42px;position:relative;}
.section .section_title h2{font-size:30px;color:#333;padding-bottom:10px;font-weight:400;line-height:40px;}
.section .section_title p{font-size:16px;color:#999;line-height:24px;}
.section .section_title span{}
.section .section_title .section_more{position:absolute;right:0;bottom:42px;color:#999;font-size:14px;cursor:pointer;line-height:24px;}
.section .section_wrap{}
.section .section_wrap .section_btn{}

@-webkit-keyframes site_header_main_nav_FadeIn{
	0%{opacity:0;-webkit-transform:translateY(-10px);}
	100%{opacity:1;-webkit-transform:translateY(0);}
}
@-moz-keyframes site_header_main_nav_FadeIn{
	0%{opacity:0;-moz-transform:translateY(-10px);}
	100%{opacity:1;-moz-transform:translateY(0);}
}
@keyframes site_header_main_nav_FadeIn{
	0%{opacity:0;transform:translateY(-10px);}
	100%{opacity:1;transform:translateY(0);}
}

.banner_wrap{position:relative;margin:0 auto;width:100%;height:100%;overflow:hidden;}
.banner_wrap .bd{position:relative;z-index:0;height:100%;}
.banner_wrap .bd ul{overflow:hidden;}
.banner_wrap .bd ul li{width:100%;height:100%;} 
.banner_wrap .bd ul li a{display:block;width:100%;height:100%;} 
.banner_wrap .bd ul li img{display:block;width:100%;height:100%;} 
.banner_wrap .hd{position:relative;z-index:1;bottom:30px;height:30px;}
.banner_wrap .hd ul{text-align:center;overflow:hidden;}
.banner_wrap .hd ul li{cursor:pointer;display:inline-block;*display:inline;zoom:1;width:14px;height:14px;text-indent:-9999px;margin:5px; background: #40bbcd; border: 1px solid #40bbcd;; overflow:hidden;border-radius:500px;}
.banner_wrap .hd ul li.on{ background: #fff; border: 1px solid #40bbcd;;}
.banner_wrap a.prev,.banner_wrap a.next{display:block;position:absolute;z-index:999;top:50%;margin-top:-40px;width:50px;height:80px;transition:opacity .3s linear 0s;opacity:0;border-radius:3px;-webkit-border-radius:3px;-moz-border-radius:3px;text-indent:-9999px;}
.banner_wrap a.next{right:150px;background:url(../img/btn_next.png) no-repeat center #000;}
.banner_wrap a.prev{left:150px;background:url(../img/btn_prev.png) no-repeat center #000;}
.banner_wrap:hover a.prev,.banner_wrap:hover a.next{filter:alpha(opacity=75);opacity:0.75}

.common_friend_links{width:100%;overflow: hidden;}
.common_friend_links .common_friend_links_main{width:1200px;margin:auto;overflow:hidden;}
.common_friend_links .common_friend_links_main .common_friend_links_tit{overflow:hidden;padding-top: 15px;line-height: 32px;}
.common_friend_links .common_friend_links_main .common_friend_links_tit h2{font-weight: 700;font-size: 16px;display: block;float: left;}
.common_friend_links .common_friend_links_main .common_friend_links_tit a{display: block;float: right;color: #999;}
.common_friend_links .common_friend_links_main .common_friend_links_pic{overflow:hidden;margin-right:-10px;}
.common_friend_links .common_friend_links_main .common_friend_links_pic a{display:block;overflow:hidden;float:left;width:111px;height:40px;border:1px solid #e8e8e8;margin-right:10px;margin-top:10px;padding:1px;}
.common_friend_links .common_friend_links_main .common_friend_links_pic img{display:block;overflow:hidden;width:100%;height:100%;}
.common_friend_links .common_friend_links_main .common_friend_links_txt{overflow:hidden;margin-top:5px;}
.common_friend_links .common_friend_links_main .common_friend_links_txt a{display:block;overflow:hidden;float:left;height:26px;line-height:26px;margin-right:15px;font-size: 14px;}

.common_crumbs{line-height: 40px;font-size: 16px;border-bottom: 1px solid #e8e8e8;}
.common_crumbs strong{font-weight: 700;}
.common_crumbs a{margin-right: 5px;}

.common_banner{display: block;overflow: hidden;width: 100%;height: 450px;position: relative;background: url(../img/banner_channel_course.jpg) center center no-repeat;}
.common_banner h1{font-size: 100px;font-weight: 700;color: #fff;text-align: center;padding-top:140px;line-height: 120px;}
.common_banner#channel_course{background: url(../img/banner_channel_course.jpg) center center no-repeat;}

.common_pagination{overflow: hidden;}
.common_pagination ul{overflow:hidden;text-align:center;}
.common_pagination ul li{display:inline-block;height:36px;line-height:36px;border:1px solid #ccc;box-sizing:border-box;margin:0px 3px;width:auto;min-width:42px;transition:all .6s;-moz-transition:all .6s;-webkit-transition:all .6s;-o-transition:all .6s;}
.common_pagination ul li a{display:block;padding:0px 12px;}
.common_pagination ul li.thisclass,.common_pagination ul li:hover{background:#da2636;color:#fff;border:1px solid #da2636;cursor: pointer;}
.common_pagination ul li:hover a,.common_pagination ul li.thisclass a,.common_pagination ul li:hover a{color:#fff;cursor: pointer;}
.common_pagination ul li span.pageinfo{padding: 0 15px;}

.common_page_submenu{padding:10px 0 30px;border:1px solid #e8e8e8;background:#ffffff;position:relative;z-index:9;}
.common_page_submenu ul{overflow:hidden;}
.common_page_submenu ul li{line-height:44px;padding-left:4px;border-left:4px solid #fff;margin-bottom:2px;transition:color 0.4s;-moz-transition:color 0.4s;-webkit-transition:color 0.4s;-o-transition:color 0.4s;}
.common_page_submenu ul li a{color:#666;display:block;padding-left:42px;font-size:16px;}
.common_page_submenu ul li.on{border-left:4px solid #da2636;}
.common_page_submenu ul li:hover a{color:#da2636;}

.common_scroll_topic{position:relative;}
.common_scroll_topic .bd{height:175px;overflow:hidden;}
.common_scroll_topic .bd ul{height:175px;overflow:hidden;}
.common_scroll_topic .bd ul li{display:block;overflow:hidden;width:285px;height:175px;float:left;margin-right:20px;position:relative;}
.common_scroll_topic .bd ul li a{display:block;overflow:hidden;width:100%;height:100%;}
.common_scroll_topic .bd ul li img{display:block;overflow:hidden;width:100%;height:100%;}
.common_scroll_topic .bd ul li p{position: absolute;bottom: 0;width: 100%;background: rgba(0,0,0,.6);color: #fff;height: 32px;line-height: 32px;text-align: center;padding: 0 15px;box-sizing: border-box;overflow: hidden;text-overflow: ellipsis;white-space: nowrap;-webkit-transition: .2s ease-in;-moz-transition: -webkit-transform .2s ease-in;-o-transition: -webkit-transform .2s ease-in;transition: .2s ease-in;}
.common_scroll_topic a.prev,.common_scroll_topic a.next{position:absolute;width:40px;height:80px;top:50%;margin-top:-40px;transition:opacity .3s linear 0s;opacity:0;border-radius:3px;-webkit-border-radius:3px;-moz-border-radius:3px;text-indent:-9999px;}
.common_scroll_topic a.prev{left:5px;background:url(../img/btn_prev.png) no-repeat center #000;}
.common_scroll_topic a.next{right:5px;background:url(../img/btn_next.png) no-repeat center #000;}
.common_scroll_topic:hover a.prev,.common_scroll_topic:hover a.next{filter:alpha(opacity=60);opacity:0.6;}

.page_side_title{height:50px;background:url(../img/page_side_title_bg.png) left center no-repeat;}
.page_side_title h2{height:50px;line-height:50px;font-size:20px;font-weight:700;display:block;float:left;max-width:800px;}
.page_side_title span{display:block;float:left;max-width:calc(100% - 300px);line-height:24px;height:24px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;margin-top:15px;margin-left:15px;color:#999;}
.page_side_title a.more{display:block;float:right;border-bottom:2px solid #fff;line-height:24px;margin-top:12px;margin-right:5px;padding:0px 5px;max-width:100px;text-align:right;transition:all .8s;-moz-transition:all .8s;-webkit-transition:all .8s;-o-transition:all .8s;}
.page_side_title a.more:hover{border-bottom:2px solid #da2636;}
.page_side_title a.switch{padding-left:23px;color:#999;font-size:16px;background:url(../img/page_side_title_switch.png) no-repeat;position:absolute;top:12px;right:5px;}
.page_side_title ul{float:left;text-align:center;margin-top:15px;margin-left:25px;}
.page_side_title ul li{display:block;float:left;vertical-align:top;position:relative;cursor:pointer;line-height:24px;padding-right:5px;font-size:16px;font-weight:400;padding-bottom:8px;padding-left:28px;}
.page_side_title ul li + li{background:url(../img/page_side_title_crumbs.png) no-repeat;}
.page_side_title ul li.on{color:#da2636;}
.page_side_title ul li.on:before{content:'';position:absolute;bottom:-9px;width:0;height:0;left:50px;border-left:10px solid transparent;border-top:10px solid #c8c8c7;border-right:10px solid transparent;}

.page_side_scroll{height:430px;margin-top: 10px;margin-bottom:10px;overflow-y:scroll;}
.page_side_scroll ul{width:calc(100% - 10px);}
.page_side_scroll ul li {display:block;width:100%;}
.page_side_scroll ul li + li{margin-top:10px;}
.page_side_scroll ul li a,.page_side_scroll ul li img{display:block;width:100%;height:100px;overflow:hidden;}

.page_side_zpic{overflow: hidden;}
.page_side_zpic ul{padding-bottom:10px;}
.page_side_zpic ul li{display:block;overflow:hidden;height:80px;padding:10px 0;box-sizing:border-box;border-bottom:1px dashed #ccc;}
.page_side_zpic ul li a{display:block;width:100%;height:100%;}
.page_side_zpic ul li img{float:left;width:100px;margin-right:10px;height:60px;}
.page_side_zpic ul li p{font-size:14px;font-weight:400;height:60px;line-height:24px;padding:6px 0px;box-sizing:border-box;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
#article_teacher .page_side_zpic ul {margin-left: -20px;}
#article_teacher .page_side_zpic ul li{float: left;width: 180px;height: 295px;margin: 0 0 0 20px;border-bottom: none;padding: 10px 0 0;}
#article_teacher .page_side_zpic ul li a{}
#article_teacher .page_side_zpic ul li img{width: 100%;height: 245px;margin: 0;}
#article_teacher .page_side_zpic ul li p{display: block;width: 100%;line-height: 32px;height: 40px;padding: 4px 0;}

.page_side_list{overflow: hidden;}
.page_side_list ul{overflow:hidden;}
.page_side_list ul li{height:42px;line-height:42px;display:block;float:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%;border-bottom:1px dashed #ccc;}
.page_side_list ul li a{display: block;overflow: hidden;}

.page_side_bpic{overflow: hidden;}
.page_side_bpic ul{overflow:hidden;padding:10px 0 0;margin-bottom:-10px;}
.page_side_bpic ul li{overflow:hidden;width:100%;margin-bottom:10px;padding-bottom:10px;border-bottom:1px dashed #ccc;}
.page_side_bpic ul li div.pic{float:left;width:120px;height:75px;overflow:hidden;}
.page_side_bpic ul li div.pic img{width:100%;height:100%;}
.page_side_bpic ul li div.info{float:left;margin-left:15px;width:185px;position:relative;height:75px;overflow:hidden;}
.page_side_bpic ul li div.info h4{font-size:16px;font-weight:400;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;}
.page_side_bpic ul li div.info p{line-height:16px;font-size:12px;height:48px;color:#999;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-top:2px;}


.channel_title{overflow:hidden;position:relative;border-bottom:2px solid #40bbcd;margin-bottom:15px;padding-bottom:5px;}
.channel_title h2{display:block;float:left;height:40px;line-height:40px;font-size:20px;font-weight:700;}
.channel_title a{display:block;float:right;height:40px;line-height:40px;font-size:14px;font-weight:400;position:relative;}
.channel_title a:before{display:block;content:'';position:absolute;height:2px;background:#40bbcd;bottom:4px;left:0;right:auto;transform:scale(0,1);width:0;transition:all 0.3s ease;}
.channel_title a:hover:before{width:100%;transform:scale(1,1);-moz-transform:scale(1,1);-o-transform:scale(1,1);-webkit-transform:scale(1,1);transform:scale(1,1);}
.channel_main{overflow:hidden;}