html {
  /*隐藏滚动条，当IE下溢出，仍然可以滚动*/
  -ms-overflow-style: none;
  /*火狐下隐藏滚动条*/
  overflow: -moz-scrollbars-none;
}

::-webkit-scrollbar {
  display: none;
}

#banner {
  transition: 300ms;
  margin-top: 90px;
}

.img li,
.img li img {
  height: 504px;
}

.black_box {
  background: #fff;
}

/* 直播预告 */
.live_broad {
  display: flex;
  flex-direction: column;
  width: 1300px;
  margin: 100px auto 0;
  padding-bottom: 100px;
}

.broad_title {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 50px;
}

.broad_title p {
  font-size: 32px;
  font-family: PingFang SC, PingFang SC-Medium;
  font-weight: 500;
  color: #333333;
  margin-bottom: 16px;
}

.broad_title span {
  padding: 12px 18px;
  background: rgba(137, 124, 94, 0.1);
  border-radius: 23px;
  font-size: 16px;
  font-family: PingFang SC, PingFang SC-Regular;
  font-weight: 400;
  color: #897c5e;
}

.live_box {
  width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.live_left {
  width: 850px;
  margin-right: 12px;
}

.liveplay_box {
  position: relative;
  height: 477px;
  border-radius: 16px;
  overflow: hidden;
}

.liveplay_box > span {
  position: absolute;
  top: 20px;
  left: 20px;
  padding: 3px 12px;
  background: #a6ce39;
  border-radius: 6px;
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #ffffff;
  letter-spacing: 0.48px;
  z-index: 1;
}

.liveplay_box > b {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.liveplay_box img {
  position: absolute;
  width: 87px;
  height: 87px;
  cursor: pointer;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.liveplay_box > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: absolute;
  bottom: 20px;
  left: 20px;
  padding: 20px;
  width: 810px;
  height: 62px;
  box-sizing: border-box;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 16px;
  z-index: 1;
}

.liveplay_box > div div {
  display: flex;
  align-items: center;
}

.liveplay_box > div div * {
  padding-left: 27px;
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #ffffff;
  letter-spacing: 0.24px;
}

.liveplay_box > div div p {
  margin-right: 30px;
  background: url(/index/images/live_time.png) no-repeat left center/22px;
}

.liveplay_box > div div b {
  background: url(/index/images/live_teach.png) no-repeat left center/22px;
}

.liveplay_box > div > span {
  padding-right: 27px;
  font-size: 16px;
  font-family: Roboto-Regular;
  font-weight: normal;
  color: #ffffff;
  line-height: 52px;
  background: url(/index/images/live_go.png) no-repeat right center/22px;
  cursor: pointer;
}

.live_left > h6 {
  margin: 20px 0 0 10px;
  font-size: 18px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #333333;
  letter-spacing: 0.54px;
}

.live_list {
  flex: 1;
}

.live_list ul {
  position: relative;
}

.live_list li {
  display: flex;
  align-items: center;
  padding: 10px 16px 10px 10px;
  margin-bottom: 5px;
  border-radius: 20px;
  transition: all 0.3s;
}

.live_list li:hover,
.live_list li.active {
  background: #ffffff;
  box-shadow: 0px 16px 40px 0px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.live_list li:hover .info_box h6,
.live_list li.active .info_box h6 {
  color: #129283;
}

.live_list li:last-child {
  margin-bottom: 0;
}

.live_list li .img_box {
  width: 203px;
  height: 114px;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
}

.live_list li .img_box img {
  width: 100%;
  height: 100%;
}

.live_list li .img_box b {
  position: absolute;
  left: 10px;
  top: 10px;
  padding: 3px 8px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 6px;
  font-size: 14px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #ffffff;
  letter-spacing: 0.42px;
}

.live_list li .info_box {
  display: flex;
  flex-direction: column;
  margin-left: 12px;
}

.live_list li .info_box h6 {
  width: 190px;
  height: 44px;
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #333333;
  letter-spacing: 0.48px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.live_list li .info_box p {
  padding-left: 27px;
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #999999;
  letter-spacing: 0.48px;
  background: url(/index/images/live-teach-h.png) no-repeat left center/22px;
  margin: 6px 0 10px;
}

.live_list li .info_box span {
  padding-left: 27px;
  font-size: 14px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #999999;
  letter-spacing: 0.21px;
  background: url(/index/images/live-time-h.png) no-repeat left center/22px;
}

.live_broad > h2 {
  margin: 86px auto 0 !important;
  padding: 12px 62px 12px 30px;
  box-sizing: border-box;
  border-radius: 10px;
  font-size: 16px;
  font-family: Roboto-Regular;
  font-weight: normal;
  color: #ffffff;
  background: url(/index/images/live_go.png) no-repeat #129283 104px 12px /22px;
  cursor: pointer;
}

/* 精选课程 */
.ash_box {
  background: #f5f4f0;
}

.sele_courses {
  display: flex;
  flex-direction: column;
  width: 1300px;
  margin: 0 auto;
  padding: 100px 0;
}

.course_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.course_list li {
  padding: 10px;
  width: 423px;
  height: 362px;
  box-sizing: border-box;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0px 16px 40px 0px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  cursor: pointer;
}

.course_list li:hover .course_info > div p {
  background: rgba(18, 146, 131, 1);
  color: #fff;
  transition: all 0.3s;
}

.course_list li .img_box {
  width: 403px;
  height: 227px;
  position: relative;
}

.course_list li .img_box img {
  width: 100%;
  height: 100%;
}

.course_list li .img_box b {
  position: absolute;
  bottom: 10px;
  right: 10px;
  padding: 6px 20px;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 6px;
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #ffffff;
  letter-spacing: 0.48px;
}

.course_list li .course_info {
  padding: 10px 0 0 10px;
}

.course_list li .course_info h6 {
  max-width: 396px;
  font-size: 18px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #333333;
  letter-spacing: 0.27px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.course_list li .course_info h5 {
  display: inline-flex;
  padding: 0 8px;
  background: rgba(166, 206, 57, 0.1);
  font-size: 14px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #a6ce39;
  letter-spacing: 0.21px;
  margin: 8px 0 16px;
}

.course_list li .course_info > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course_list li .course_info > div div {
  display: flex;
  align-items: center;
}

.course_list li .course_info > div div span {
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #999999;
  letter-spacing: 0.24px;
}

.course_list li .course_info > div div b {
  margin: 0 7px;
  width: 4px;
  height: 4px;
  background: #ebf1ff;
  border-radius: 50%;
}

.course_list li .course_info > div p {
  padding: 4px 12px;
  background: rgba(18, 146, 131, 0.1);
  border-radius: 6px;
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #129283;
  letter-spacing: 0.48px;
  cursor: pointer;
}

.sele_courses > h2 {
  margin: 40px auto 0 !important;
  padding: 12px 62px 12px 30px;
  box-sizing: border-box;
  border-radius: 10px;
  font-size: 16px;
  font-family: Roboto-Regular;
  font-weight: normal;
  color: #ffffff;
  background: url(/index/images/live_go.png) no-repeat #129283 104px 12px /22px;
  cursor: pointer;
}

/* 专家团队 */
.green_box {
  background: #3e6e50;
}

.expert_team {
  display: flex;
  flex-direction: column;
  width: 1300px;
  margin: 0 auto;
  padding: 50px 0;
}

.expert_title {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 40px;
}

.expert_title p {
  font-size: 32px;
  font-family: PingFang SC, PingFang SC-Medium;
  font-weight: 500;
  color: #fff;
  margin-bottom: 16px;
}

.expert_title span {
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 23px;
  font-size: 16px;
  font-family: PingFang SC, PingFang SC-Regular;
  font-weight: 400;
  color: #fff;
}

.expert_list {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.expert_list li {
  display: flex;
  flex-direction: column;
  padding: 42px 42px 50px;
  width: 387px;
  box-sizing: border-box;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0px 16px 40px 0px rgba(0, 0, 0, 0.1);
}

.expert_list li .splt_one {
  display: flex;
  align-items: center;
  margin-bottom: 18px;
}

.expert_list li .splt_one > div:nth-child(1) {
  width: 62px;
  height: 66px;
  border-radius: 16px;
}

.expert_list li .splt_one div img {
  width: 100%;
  height: 100%;
}

.expert_list li .splt_one > div:nth-child(2) {
  display: flex;
  flex-direction: column;
  margin-left: 10px;
}

.expert_list li .splt_one div p {
  font-size: 18px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #16133e;
  letter-spacing: 0.54px;
}

.expert_list li .splt_one div span {
  font-size: 14px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #b4b4b4;
  letter-spacing: 0.21px;
  margin-top: 5px;
}

.expert_list li > p {
  width: 303px;
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #999999;
  line-height: 28px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
}

.expert_list li > span {
  margin-top: 30px;
  width: 303px;
  padding: 6px 0;
  background: rgba(18, 146, 131, 0.1);
  border-radius: 6px;
  font-size: 16px;
  font-family: PingFang HK, PingFang HK-Regular;
  font-weight: 400;
  color: #129283;
  letter-spacing: 0.48px;
  text-align: center;
  cursor: pointer;
}

.expert_list li:hover > span {
  background: #129283;
  color: #fff;
  transition: all 0.3s;
}

.expert_team > h2 {
  margin: 40px auto 0 !important;
  padding: 12px 62px 12px 30px;
  box-sizing: border-box;
  border-radius: 10px;
  font-size: 16px;
  font-family: Roboto-Regular;
  font-weight: normal;
  color: #3e6e50;
  background: url(/index/images/live-go-l.png) no-repeat #fff 120px 12px /22px;
  cursor: pointer;
}

/* 资讯公告 */
.policyInformation {
  display: flex;
  flex-direction: column;
  width: 1300px;
  margin: 0 auto;
  padding: 100px 0;
}

.pub_tab {
  display: flex;
}

.pub_tab li {
  width: 207px;
  height: 65px;
  margin-right: 3px;
  background: #fff;
  border-radius: 10px;
  font-size: 18px;
  font-family: PingFang SC, PingFang SC-Medium;
  font-weight: 500;
  color: #bbbbbb;
  line-height: 65px;
  cursor: pointer;
}

.pub_tab li.pub_active {
  color: #0e7350;
  background-color: #e6f1ed;
}

.pub_tab > li > span {
  text-align: left;
  font-size: 18px;
  font-family: PingFang SC, PingFang SC-Medium;
  font-weight: 500;
  padding-left: 72px;
}

.span1 {
  background: url(/index/images/tab1.png) no-repeat center;
  background-position: 40px center;
}

.pub_active .span1 {
  background: url(/index/images/active1.png) no-repeat center;
  background-position: 40px center;
}

.span2 {
  background: url(/index/images/tab2.png) no-repeat center;
  background-position: 40px center;
}

.pub_active .span2 {
  background: url(/index/images/active2.png) no-repeat center;
  background-position: 40px center;
}

.span3 {
  background: url(/index/images/tab3.png) no-repeat center;
  background-position: 40px center;
}

.pub_active .span3 {
  background: url(/index/images/active3.png) no-repeat center;
  background-position: 40px center;
}

.span4 {
  background: url(/index/images/tab4.png) no-repeat center;
  background-position: 40px center;
}

.pub_active .span4 {
  background: url(/index/images/active4.png) no-repeat center;
  background-position: 40px center;
}

.pub_tab > div {
  flex: 1;
  height: 65px;
  background: #fff;
  border-radius: 10px;
}

.pub_conter {
  margin-top: 10px;
}

.pub_conter > ul > li {
  position: relative;
  display: flex;
  height: 224px;
  padding: 20px;
  box-sizing: border-box;
  border-radius: 16px;
  transition: all 0.3s;
  background: #fff;
  margin-bottom: 17px;
}

.pub_conter > ul > li:last-child {
  margin-bottom: 0;
}

.pub_conter > ul > li > img {
  width: 326px;
  height: 183px;
  border-radius: 4px;
}

.pub_conter > ul > li > div {
  flex: 1;
  position: relative;
  margin-left: 20px;
}

.pub_conter > ul > li > div > p:first-child {
  margin-top: 10px;
  font-size: 20px;
  font-family: Source Han Sans CN, Source Han Sans CN-Medium;
  font-weight: 500;
  color: #666666;
}

.pub_conter > ul > li > div > p:nth-child(2) {
  margin-top: 15px;
  font-size: 16px;
  font-family: Source Han Sans CN, Source Han Sans CN-Medium;
  font-weight: 500;
  color: #999999;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pub_footer {
  position: absolute;
  bottom: 10px;
}

.pub_footer > span {
  margin-right: 50px;
  font-size: 16px;
  font-family: Source Han Sans CN, Source Han Sans CN-Medium;
  font-weight: 500;
  color: #999999;
}

.pub_footer > span:nth-child(1) {
  background: url(/images/imnIcon1.png) no-repeat left;
  padding-left: 30px;
}

.pub_footer > span:nth-child(2) {
  background: url(/images/imnIcon2.png) no-repeat left;
  padding-left: 33px;
}

.look {
  position: absolute;
  bottom: 0;
  right: 0;
  padding: 12px 48px 12px 16px;
  font-size: 16px;
  font-family: Source Han Sans CN, Source Han Sans CN-Medium;
  font-weight: 500;
  color: #129283;
  letter-spacing: 0.8px;
  background: url(/index/images/live-go-l.png) no-repeat 92px center/22px;
  border-radius: 10px;
  cursor: pointer;
}

.pub_conter > ul > li:hover div .look {
  background: url(/index/images/live-go-l.png) no-repeat rgba(18, 146, 131, 0.1)
    92px center/22px;
  transition: all 0.3s;
}

.policyInformation > h2 {
  margin: 70px auto 0 !important;
  padding: 12px 62px 12px 30px;
  box-sizing: border-box;
  border-radius: 10px;
  font-size: 16px;
  font-family: Roboto-Regular;
  font-weight: normal;
  color: #ffffff;
  background: url(/index/images/live_go.png) no-repeat #129283 104px 12px /22px;
  cursor: pointer;
}