.article{
	padding: 20px 0px;
}
.article table{
	width:100%;
	border-collapse: collapse;
}
.article-left{
	min-width:300px;
	width: 300px;
}
.article-right{
	padding-left:30px;
	max-width: 880px;
}
.article-left .channel-title{
	padding-bottom: 15px;
    padding: 18px 0 18px 30px;
    margin: 0;
    font-size: 24px;
    color: #000;
    line-height: 26px;
    background: #EFEFEF;
    font-weight: 400;
    border-top: 6px solid #0076d4;
    border-bottom: 1px solid #ddd;
}
.article-left ul{
	background: #eaeaea;
    border-bottom: 1px solid #ddd;
}

.article-left ul li{
	font-size: 16px;
}

.article-left ul li a{
	padding: 20px 30px 20px 50px;
    display: block;
    cursor: pointer;
    position: relative;
}

.article-left ul li a:before {
    content: "";
    width: 0;
    height: 0;
    border-bottom: 6px solid transparent;
    border-top: 6px solid transparent;
    border-left: 6px solid;
    font-size: 0;
    margin-right: 9px;
    top: 25px;
    left: 30px;
    position: absolute;
}
.article-left ul li a.expanded:before{
	transform: rotate(90deg);
    -webkit-transition: transform .3s ease;
    -moz-transition: transform .3s ease;
    -o-transition: transform .3s ease;
    -ms-transition: transform .3s ease;
    transition: transform .3s ease;
}
.article-left ul li a.expanded{
	
}
.article-left ul li a:hover{
	color: #0076d4;
}
.article-left ul li a.active{
	color: #fff;
    font-weight: bold;
    background: #0076d4;
}
.article-left ul.child-channel {
    border-bottom: none;
    background: #f2f2f2;
    padding-left: 20px;
    padding-bottom: 10px;
    margin-top: 1px;
}
.article-left ul.child-channel li {
    font-size: 16px;
    color: #000;
    line-height: 50px;
    padding-left: 40px;
}
.article-left ul.child-channel li a{
	color: #5f5f5f;
	padding: 0px;
	padding-left:20px;
}
.article-left ul.child-channel li a.active{
	color: #0076d4;
	background: none;
	font-weight: bold;
}
.article-left ul.child-channel li a:hover{
	color: #0076d4;
	background: none;
}
.article-left ul.child-channel li a:before {
    content: "";
    width: 0;
    height: 0;
    border-bottom: 6px solid transparent;
    border-top: 6px solid transparent;
    border-left: 6px solid;
    font-size: 0;
    margin-right: 9px;
    top: 20px;
    left: 0px;
    position: absolute;
}

.article-list li{
	width: 100%;
	background: #fff;
	padding: 25px 0px;
	border-bottom: 1px solid #eee;
	font-size: 16px;
	position: relative;
}
.article-list a{
	color: #333;
	text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
	position: absolute;
    right: 110px;
    left: 0px;
    top: 15px;
}
.article-list a:hover{
	text-decoration: underline;
	color: #0076d4;
}
.article-list span{
	position: absolute;
	right: 0px;
	top: 15px;
	color: #777;
}
.article-list.short-title  li {
	width: 11.1%;
	float: left;
	border-bottom: unset;
	height: 50px;
	margin-bottom: 12px;
}

.article-list.short-title  li a {
	display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    width: auto;
    white-space: unset;
}

.article-category-content{
	font-size: 14px;
    line-height: 25px;
    padding: 20px 0px;
}

.article-category-content img{
	max-width:100%;
}

.article-info{
	padding: 20px 0px 20px 40px;
	background: #fff;
}
.article-title{
	font-size: 21px;
	padding: 0px 20px 20px;
	text-align: center;
	color: #0A498D;
}

.article-ext {
	text-align: center;
	font-size: 15px;
	color: #777;
	border-bottom: 1px solid #eee;
	padding-bottom: 20px;
}

.article-ext span {
	margin-left: 20px;
}
.article-ext span:first-child{
	margin-left: 0px;
}

.article-content{
	/* text-indent: 25px; */
	line-height: 25px;
	font-size: 14px;
	padding: 20px 0px;
	border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.article-content img{
	max-width:100%;
}

.article-content table{
	border-collapse: collapse;
	margin: 0 auto;
}
.teacher-content{
	line-height: 25px;
	font-size: 14px;
	padding: 0px 0px 20px;
}
.teacher-content .head-img{
	width: 165px;
	height: 240px;
	border:4px solid #e9e9e9;
	    margin-top: 10px;
}
.teacher-info{
	padding-left:35px;
}
.teacher-info h5{
	font-size: 20px;
    color: #0076d4;
    font-weight: bold;
    padding-top: 2px;
    line-height: 45px;
    margin: 0;
}
.teacher-info p{
	line-height: 30px;
    font-size: 14px;
    color: #333;
}
.teacher-content-tab {
	margin-top: 50px;
}
.teacher-content-tab li{
	    float: left;
    width: 25%;
    line-height: 50px;
       background-color: #d8d6d6;
    text-align: center;
    color: #171616;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.1s ease 0.2s;
    border-right: 1px solid #ccc8c8;
}
.teacher-content-item{
	padding: 20px 0px;
}
.teacher-content-tab li:last-child{
	border-right: none;
}
.teacher-content-tab li.active {
    background-color: #0076d4;
    color: #fff;
}
.pageturn-ul {
	
}
.pageturn-ul li {
	white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: #dfdfdf;
    padding: 12px 32px;
    width: 49%;
}
.pageturn-ul .prev-li {
	float: left;
}
.pageturn-ul .next-li {
	float: right;
}

.teacher_list.xm_list {
    position: relative;
    top: 15px;
}
.teacher_list.xm_list .xm_box {
    padding-bottom: 40px;
}
.teacher_list.xm_list .xm_box .xm_bar {
    background-color: #e6e6e6;
    padding: 4px 5px;
    line-height: 32px;
    border-radius: 40px;
    margin-bottom: 30px;
    z-index: 999;
    position: relative;
}
.clearfix {
    zoom: 1;
}
.clearfix:after, .clearfix:before {
	display: table;
    content: " ";
}
.teacher_list.xm_list .xm_box .xm_bar a {
    display: inline-block;
    width: 32px;
    height: 32px;
    border-radius: 32px;
    text-align: center;
    font-size: 18px;
    color: #333;
    float: left;
    cursor: pointer;
    margin-right: 8px;
}
.teacher_list.xm_list .xm_box .xm_bar a.active {
    background-color: #0076d4;
    color: #fff;
}
.teacher_list.xm_list .xm_box .xm_bar a:hover {
    color: rgba(10, 73, 141, 0.7);
}
.teacher_list.xm_list .xm_box .xm_bar a.active:hover {
    background-color: #0a498d;
    color: #fff;
}
.teacher_list.xm_list .xm_box ul li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 65px;
    padding-top: 100px;
    margin-top: -100px;
}
.teacher_list.xm_list .xm_box ul li.active span {
    background-color: #0076d4;
    color: #fff;
}
.teacher_list.xm_list .xm_box ul li span {
    width: 30px;
    height: 30px;
    display: inline-block;
    margin-right: 30px;
    border-radius: 4px;
    background-color: #e6e6e6;
    line-height: 30px;
    text-align: center;
    font-weight: bold;
    font-size: 16px;
    position: absolute;
    top: 100px;
    left: 5px;
}
.teacher_list.xm_list .xm_box ul li a {
    font-size: 16px;
    min-width: 50px;
    color: #666;
    line-height: 30px;
    display: inline-block;
    margin-right: 30px;
	text-align: justify;
    text-align-last: justify;
    text-justify: distribute-all-lines;
}
#go_back {
	z-index: 999;
    width: 60px;
    height: 60px;
    position: fixed;
    bottom: 50px;
    right: 50px;
    cursor: pointer;
    background: url(../images/go_back.png) no-repeat center;
}

.clearfix:after { display: block; height: 0; content: ''; visibility: hidden; clear: both; }
.teacher { margin-top: 20px; }
.teacher ul li { padding: 15px 15px 15px 15px; box-shadow: 2px 2px 6px #f3f3f3; /* border: 0.5px solid #f9f9f9; width: calc(50% - 10px); */ box-sizing: border-box; margin-bottom: 20px; }
.teacher .show { display: block; }
.teach.teacher ul li .img { max-width: 130px; width: 130px; height: 173px; }
.teacher .fl { float: left; }
.teacher ul li .img img { width: 100%; height: 100%; border: 0; vertical-align: middle; max-width: 100%; object-fit: cover; }
.teacher ul li .intro {  margin-left: 20px; width: calc(100% - 150px); }
.teacher ul li .intro h3 { font-size: 18px; color: #000 !important; font-weight: normal; margin: 10px 0; }
.teacher ul li .intro h3 span { color: #0076d4; font-size: 14px; margin-left: 14px; }
.teacher ul li .intro .text-box { line-height: 24px; color: #666 !important; font-size: 14px; max-height: 94px; overflow: hidden; margin-top: 10px; }
/* .teacher > ul li:nth-of-type(2n) { margin-left: 20px; } */

.video_list { zoom: 1;  margin-top: 20px; }
.video_list:before, .video_list:after { content: ""; display: table; }
.video_list > li {
    position: relative;
    float: left;
    width: 266px;
    height: 200px;
    margin-right: 25px;
    margin-bottom: 25px;
    font-size: 0px;
    overflow: hidden;
    background-color: #efefef;
}
.video_list > li:nth-of-type(3n) { margin-right: 0px; }
.video_list > li .img {
    position: relative;
    width: 100%;
    height: 200px;
    display: block;
    transition: all 0.15s linear 0s;
    -moz-transition: all 0.15s linear 0s;
    -webkit-transition: all 0.15s linear 0s;
    -o-transition: all 0.15s linear 0s;
    background-size: cover;
    background-position: center;
}
.video_list > li .cover { filter: none; }
.video_list > li .cover {
    position: absolute;
    height: 45px;
    bottom: 0px;
    width: 100%;
    max-width: 100%;
    text-align: center;
    filter: progid:DXImageTransform.Microsoft.gradient(enabled='true',startColorstr='#80000000', endColorstr='#80000000');
    background-color: rgba(0, 0, 0, 0.5);
}
.video_list > li .cover .tit {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 45px;
    display: block;
    transition: all 0.22s linear 0s;
    -moz-transition: all 0.22s linear 0s;
    -webkit-transition: all 0.22s linear 0s;
    -o-transition: all 0.22s linear 0s;
    margin-left: 22px;
    margin-right: 22px;
    font-size: 18px;
    color: #fff;
    line-height: 45px;
    font-family: 'Microsoft YaHei', 'WenQuanYi Micro Hei', 'Helvetica Neue', Verdana, Arial, Helvetica, SimHei, sans-serif;
    text-align: center;
}