.commont-title {
  font-size: 19px;
  font-weight: 600;
  color: #414244;
  line-height: 26px;
  letter-spacing: 1px;
  text-align: center;
}
.commont-subtitle {
  font-size: 15px;
  font-weight: 400;
  color: #666666;
  line-height: 21px;
  letter-spacing: 1px;
  margin-top: 6px;
  text-align: center;
}

/* 搜索栏开始 */
.search_box {
  width: 1200px;
  margin: auto;
  padding: 33px 20px;
  box-sizing: border-box;
  background: #fff;
}
.search_box .search_input {
  position: relative;
}
.search_box .search_input input {
  width: 280px;
  height: 38px; 
  background: #F0F0F0;
  border: none;
  outline: none;
  box-sizing: border-box;
  padding-left: 16px;
  border-radius: 2px;
}
.search_box .search_input .search_img {
  position: absolute;
  top: 0;
  right: 0;
  width: 38px;
  height: 38px;
  text-align: center;
  line-height: 38px;
  cursor: pointer;
}
.search_box .search_input .search_img img {
  vertical-align: middle;
}
.search_box .tag_box {
  margin-left: 25px;
}
.search_box .tag_box .tag {
  display: block;
  height: 28px;
  line-height: 28px;
  padding: 0px 10px;
  background: #D7E4FF;
  border-radius: 2px;
  color: #4C86FF;
  font-size: 14px;
  margin: 5px;
}
/* 搜索栏结束 */

/* 精品课程开始 */
.boutique {
  width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
  background: #fff;
}
.boutique .tite_box .title .text {
    font-size: 20px;
    color: #414244;
    font-weight: 600;
    line-height: 20px;
    vertical-align: middle;
}
.boutique .tite_box .title .icon {
  display: inline-block;
  vertical-align: middle;
  width: 48px;
  height: 20px;
  background: url(../images/hot.png) no-repeat;
}
.boutique .tite_box .more {
  font-size: 14px;
  color: #414244;
  line-height: 22px;
}
.boutique .tite_box .more .icon {
  display: block;
  width: 5px;
  height: 5px;
  margin: 0;
  padding: 0;
  margin-left: 2px;
  margin-top: 7px;
  background: none;
  float: right;
  border-top: solid 1.5px #333;
  border-right: solid 1.5px #333;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}
.boutique .item_box {
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flex;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 30px;
}
.boutique .item_box .item {
  width: 370px;
  height: 180px;
  border-radius: 6px;
  overflow: hidden;
}
.boutique .item_box .item img {
  width: 100%;
  height: 100%;
}
/* 精品课程结束 */

/* 视频列表开始 */
.video_list {
  width: 1200px;
  margin: auto;
  box-sizing: border-box;
  background: #fff;
}

.video_list .classification{
	margin-top:30px;
}
.video_list .classification .title_box {
  padding-bottom: 12px;
}
.video_list .classification .title_box .class_title .text{
  font-size: 20px;
    color: #414244;
    font-weight: 600;
    line-height: 20px;
    vertical-align: middle;
}
.video_list .classification .title_box .class_title .icon {
  vertical-align: middle;
  width: 48px;
  height: 20px;
  background: url('../images/hot.png') no-repeat;
}
.video_list .classification .title_box .sort_title li{
  margin-left: 30px;
  font-size: 14px;
  color: #414244;
  line-height: 20px;
  cursor: pointer;
}
.video_list .classification .title_box .sort_title li.active {
  /* font-size: 16px; */
  font-weight: 600;
  color: #414244;
  position: relative;
}
.video_list .classification .title_box .sort_title li.active::after {
  content: '';
  display: block;
  position: absolute;
  left: 50%;
  top: 100%;
  width: 24px;
  height: 3px;
  background: #6979FF;
  border-radius: 2px;
  -webkit-transform: translate(-50%, 8px);
  -moz-transform: translate(-50%, 8px);
  -ms-transform: translate(-50%, 8px);
  transform: translate(-50%, 8px);
}
.video_list .classification .title_box .more {
  font-size: 14px;
  color: #414244;
  line-height: 22px;
}
.video_list .classification .title_box .more .icon {
  display: block;
  width: 5px;
  height: 5px;
  margin: 0;
  padding: 0;
  margin-left: 2px;
  margin-top: 7px;
  background: none;
  float: right;
  border-top: solid 1.5px #333;
  border-right: solid 1.5px #333;
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}
.video_list .classification .list_box {
  padding: 12px 0 12px;
}
.video_list .classification .list_box .item_box {
  display: none;
}
.video_list .classification .list_box .item_box.active {
  display: block;
}
.video_list .classification .list_box .item {
  width: 375px;
  background: #FFFFFF;
  box-shadow: 0px 0px 10px 1px rgba(0, 0, 0, 0.1);
  border-radius: 6px;
  margin-right: 24px;
  overflow: hidden;
  margin-bottom: 25px;
  cursor: pointer;
  transition: all .3s;
}
.video_list .classification .list_box .item:hover{
	
	box-shadow: 0px 4px 24px 0px rgba(0, 8, 37, 0.08);
	transform: translateY(-5px);
}

.video_list .classification .list_box .item:nth-child(3n) {
  margin-right: 0px;
}
.video_list .classification .list_box .item .img_box{
  width: 375px;
  height: 188px;
}
.video_list .classification .list_box .item .img_box img {
  width: 100%;
  height: 100%;
  vertical-align: middle;
}
.video_list .classification .list_box .item .text_box {
  padding: 10px 15px;
  background: #fff;
}
.video_list .classification .list_box .item .text_box .title {
	font-size: 16px;
    color: #333333;
    line-height: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: bold;
}
.video_list .classification .list_box .item .text_box .information {
  margin-top: 10px;
}
.video_list .classification .list_box .item .text_box .information .label {
  color: #FF3E39;
  font-size: 13px;
  line-height: 20px;
}
.video_list .classification .list_box .item .text_box .information .lockdoc {
  font-size: 13px;
  color: #999999;
  line-height: 20px;
}
/* 视频列表结束 */

/* 学院风采开始 */
.article-box {
  width: 1200px;
  margin: 30px auto 8px;
  padding: 0 20px 60px;
  box-sizing: border-box;
  background: #fff;
}
.article-box .article-content {
  margin-top: 20px;
}
.article-box .article-content .article-item {
  display: block;
  width: 272px;
  height: 126px;
  box-shadow: 0px 2px 9px 0px rgba(0, 0, 0, 0.07);
  border-radius: 6px;
  box-sizing: border-box;
  padding: 16px 40px 0 16px;
  position: relative;
  overflow: hidden;
  margin-right: 24px;
  margin-bottom: 20px;
}
.article-box .article-content .article-item:nth-child(2n-1) {
  background: #EEF8FF;
}
.article-box .article-content .article-item:nth-child(2n) {
  background: #FEFDF9;
}
.article-box .article-content .article-item:nth-child(4n) {
  margin-right: 0;
}
.article-box .article-content .article-item .iocn {
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background: url('../images/flame.png') no-repeat center/cover;
}
.article-box .article-content .article-item .title {
  font-size: 15px;
  font-weight: bold;
  color: #414244;
  line-height: 21px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-box .article-content .article-item .descr{
  font-size: 12px;
  font-weight: 500;
  color: #878B8A;
  line-height: 18px;
  margin-top: 6px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}
.article-box .article-content .article-item .tag {
  margin-top: 15px;
}
.article-box .article-content .article-item .tag span {
  font-size: 12px;
  font-weight: 500;
  line-height: 12px;
  padding: 4px 6px;
  border-radius: 2px;
}
.article-box .article-content .article-item:nth-child(2n-1) .tag span{
  background: #D9F0FF;
  color: #6FA0FF;
}
.article-box .article-content .article-item:nth-child(2n) .tag span{
  background: #FFEFD9;
  color: #A47128;
}
/* 学院风采结束 */

/* 优质师资体系开始 */
.lecturer-box {
  width: 1200px;
  margin: 8px auto;
  padding: 40px 20px 80px;
  box-sizing: border-box;
  background: #fff;
}
.lecturer-box .lecturer-content {
  margin-top: 40px;
}
.lecturer-box .lecturer-content .lecturer-item{
  width: 25%;
  box-sizing: border-box;
  padding: 0 24px;
  text-align: center;
  margin-bottom: 35px;
}
.lecturer-box .lecturer-content .lecturer-item .portrait {
  width: 80px;
  height: 80px;
  margin: auto;
  border-radius: 50%;
  overflow: hidden;
}
.lecturer-box .lecturer-content .lecturer-item .name {
  font-size: 16px;
  font-weight: 600;
  color: #000000;
  line-height: 22px;
  margin-top: 18px;
}
.lecturer-box .lecturer-content .lecturer-item .descr {
  height: 60px;
  font-size: 14px;
  font-weight: 500;
  color: #9F9D9D;
  line-height: 20px;
  margin-top: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}
/* 优质师资体系结束 */


.zlxz .operating{
	
	width:100%;
}

.zlxz .operating .title {
  width: 1200px;
  height: 104px;
  line-height: 104px;
  font-weight: 500;
  font-size: 32px;
  color: #fff;
  text-align: center;
  margin: auto;
  /* background-image: url(../images/sec1_34.png); */
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  background-color: #0A3F8F;
  border-radius: 4px;
}



.zlxz .operating-list {
  /* background: url(../images/sec1_33.png) no-repeat center/cover; */
  box-sizing: border-box;
  padding-top: 20px;
}

.zlxz .operating-ul {
     margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
}

.zlxz .operating-li {
	width: 380px;
    height: 300px;
    background: #FFFFFF;
    box-shadow: 0px 7px 14px 0px #e8eaf4;
    border-radius: 5px;
    border: 1px solid #E6E8EF;
    float: left;
    margin-right: 20px;
    margin-bottom: 20px;
    padding: 1px;
    margin-top: 55px;
    transition: all 0.3s;
	
}
.zlxz .operating-li:hover{

	transform: translateY(-5px);
}

.zlxz .operating-li .tit{
	background: url(../images/xy_01.png) repeat center center /cover;
	position: relative;
    padding: 20px;
	height: 100px;
}
.zlxz .operating-li:hover .tit{
	
	background: url(../images/xy_01s.png) repeat center center /cover;
}	

.zlxz .operating-li:hover .tit .con h2{color: #fff;}
.zlxz .operating-li:hover .tit .con p{color: #fff;}

.zlxz .operating-li .tit .con{
	
	
}

.zlxz .operating-li .tit .con h2 {
    font-size: 20px;
    font-weight: 700;
    color: #2E2F34;
    line-height: 27px;
    margin-bottom: 5px;
}
.zlxz .operating-li .tit .con p {
    font-size: 12px;
    font-weight: 400;
    color: #7B7D85;
    line-height: 20px;
}

.zlxz .operating-li .tit .con_ico{
	
	position: absolute;
    right: 10px;
    top: -60px;
} 
.zlxz .operating-li .tit .con_ico img {
    width: 128px;
    transition: all 0.6s;
}

.zlxz .operating-li .tit .con_ico img:hover{transform: scale(1.1);}


.zlxz .operating-li .tit_more{
	
    margin: 15px;
}

 .zlxz .operating-li .tit_more .more01 {
    overflow: hidden;
}

.zlxz .operating-li .tit_more .more01 dl{
   position: relative;
   width: 100%;
    border-bottom: 1px dotted #EAEAEA;
    margin-bottom: 0px;
    margin-top: 0px;
    padding: 10px 10px;
	padding-left: 25px;
    font-size: 14px;
}
.zlxz .operating-li .tit_more .more01 dl:before {
    content: "";
    display: block;
    position: absolute;
    top: 10px;
    left: 0;
    width: 20px;
    height: 20px;
    background: url(../images/xy_right.png);
    background-size: 100%;
}

.zlxz .operating-li .tit_more .more01 dl:last-child:before {
	background: none;
}

.zlxz .operating-li .tit_more .more01 dl:hover {

    background: #F6F8FF;
    border-radius: 5px;
}


.zlxz .operating-li:hover .btn {
	
	 border: 1px solid #333;
}

.zlxz .operating-li .btn {
    width: 90px;
    height: 30px;
    margin: 0 auto;
    background: #f2f5fa;
    border-radius: 4px;
    text-align: center;
    line-height: 30px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
}

.zlxz .operating-li .btn:hover{
	 color: #fff;
	 background: #1472ff;
	  border: 1px solid #1472ff;
}

.zlxz .btn {
  width: 145px;
    height: 40px;
    background: #1472ff;
    border-radius: 4px;
    margin: 64px auto 0;
    text-align: center;
    line-height: 40px;
    font-weight: 500;
    font-size: 14px;
    color: #fff;
}

.zlxz .btn:hover{
	color: #004be1;
    border: 1px solid #004be1;
    background: none;
}