.slideshow {
  width: var(--content-width);
  height: 545px;
}

.slideshow .mySwiper {
  height: 100% !important;
}

.slideshow .mySwiper .swiper-button-next,
.slideshow .mySwiper .swiper-button-prev {
  width: 40px;
  height: 40px;
  padding: 0 !important;
  background-color: rgba(255, 255, 255, 0.4) !important;
  border-radius: 50%;
  border: 1px solid #70787C;
  color: #006780 !important;
  transition: 0.2s all linear;
}

.slideshow .mySwiper .swiper-button-next {
  right: 20px;
}

.slideshow .mySwiper .swiper-button-prev {
  left: 20px;
}

.slideshow .mySwiper .swiper-button-next::after,
.slideshow .mySwiper .swiper-button-prev::after {
  font-size: 12px !important;
}

.slideshow .mySwiper .swiper-button-next:hover,
.slideshow .mySwiper .swiper-button-prev:hover {
  color: var(--primary-color) !important;
  background-color: rgba(255, 255, 255, 0.5) !important;
}

.slideshow .mySwiper .swiper-pagination {
  display: flex;
  align-items: center !important;
  justify-content: center !important;
  bottom: 20px;
}

.slideshow .mySwiper .swiper-pagination-bullet {
  height: 12px;
  width: 12px;
  background-color: #006780;
  margin-right: 16px;
  transition: 0.2s all linear !important;
}

.slideshow .mySwiper .swiper-pagination-bullet.swiper-pagination-bullet-active {
  width: 18px;
  height: 18px;
  border: 2px solid #006780;
  background-color: rgba(0, 0, 0, 0);
}

.tr_title {
  width: 100%;
  height: 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tr_title .ico_zone {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.tr_title .ico_zone img {
  width: 36px;
  margin-right: 20px;
  /* filter: drop-shadow(40px 0px yellow); */
  /* display:none */
  /* filter:invert(100%) */
}

.tr_title > div:first-child > a {
  font-weight: bold;
  font-size: 20px;
}

.tr_title > div a i::before {
  font-weight: bold !important;
  font-size: 25px;
}

.play_btn {
  width: 40px;
  height: 40px;
  z-index: 5;
  border-radius: 50%;
  position: absolute;
  left: calc(50% - 20px);
  top: calc(50% - 20px);
  background-color: rgba(217, 217, 217, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: 0.2s all linear;
}

.play_btn i {
  color: #fff;
  font-size: 35px;
  position: relative;
  margin-right: -3px;
  transition: 0.2s all linear;
}

.play_btn:hover {
  background-color: rgba(217, 217, 217, 0.7);
}

.play_btn:hover i {
  color: var(--primary-color);
}

.tr_kepu {
  width: 950px;
  margin: 0 auto;
  margin-bottom: 80px !important;
}

.kepu_ctet_zone {
  width: 100%;
  background-color: #fff;
}

.tr_lecture {
  height: 500px;
  width: var(--content-width);
  background-color: #fff;
}

.tr_lecture .tr_title {
  width: 950px;
  height: 120px;
  margin: 0 auto;
}

.video_box_zone {
  margin: 0 auto;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
}

.video_box_zone .video_box_item {
  margin-right: 25px;
  /* flex: 1; */
  height: 300px;
  width: 259px;
  margin-top: 20px;
  /* width: 30%; */
  border-radius: 10px;
  overflow: hidden;
}

.video_box_zone .video_box_item .img_zone {
  width: 100%;
  height: 145px;
  position: relative;
}

.video_box_zone .video_box_item .box_info {
  height: 155px;
  width: 100%;
  background-color: #fff;
  padding: 8px 8px;
  overflow: hidden;
}

.video_box_zone .video_box_item .box_info > div {
  width: 100%;
  margin-bottom: 12px;
}

.video_box_zone .video_box_item .box_info > div:nth-child(1) {
  height: 48px;
  font-size: 16px;
  font-weight: bold;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  color: #1F2937;
  word-break: break-all;
}

.video_box_zone .video_box_item .box_info > div:nth-child(1):hover,
.video_box_zone .video_box_item .box_info > div:nth-child(1):hover a {
  color: var(--primary-color);
}

.video_box_zone .video_box_item .box_info > div:nth-child(2) > span {
  color: #374151;
  font-size: 14px;
}

.video_box_zone .video_box_item .box_info .line {
  width: 100%;
  border-bottom: 1px solid #efefef;
}

.video_box_zone .video_box_item .box_info > div:nth-child(4) > span {
  color: #7B8493;
  font-size: 14px;
}

.video_box_zone .video_box_item:nth-child(3n) {
  margin-right: 0;
}

.video_box_zone .kepu_item {
  width: 401px;
  height: 200px;
  margin-top: 20px;

  display: flex;
  flex-direction: row;
  background-color: #F5F5F5;
  overflow: hidden;
  border-radius: 10px;
}

.video_box_zone .kepu_item .kepu_ico {
  width: 150px;
  height: 200px;
  overflow: hidden;
  position: relative;
  border-radius: 10px;
  box-shadow: 2px 0 4px 2px rgba(0, 0, 0, 0.15);
}

.video_box_zone .kepu_item .kepu_info {
  flex: 1;
  display: flex;
  width: 0;
  flex-direction: column;
  justify-content: center;
  padding-left: 10px;
}

.video_box_zone .kepu_item .kepu_info ._info_title a {
  font-size: 16px;
  color: #343434;
  font-weight: bold;
  margin-bottom: 10px;
  height: 48px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video_box_zone .kepu_item .kepu_info ._info_title a:hover {
  color: var(--primary-color);
}

.video_box_zone .kepu_item .kepu_info p {
  color: #808D9E;
  font-size: 14px;
  margin: 4px 0;
}

.video_box_zone .kepu_item:nth-child(odd) {
  margin-right: 25px;
}

.tr_train .tr_title {
  width: 950px;
  margin: 0 auto;
}

.train_like,
.train_share {
  min-width: 50px;
  width: 70px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  position: relative;
  cursor: pointer;
}

.train_like i,
.train_share i {
  position: relative;
  top: 0px;
  padding-right: 4px;
  font-size: 18px;
}

.train_like span,
.train_share span {
  color: #6E7074;
  font-size: 14px;
}

.train_like .star_five,
.train_share .star_five {
  width: 21px;
  height: 21px;
  margin-right: 5px;
  position: relative;
  /* filter:brightness(100) */
}

.train_like .star_five img,
.train_share .star_five img {
  width: 21px;
  height: 21px;
  object-fit: contain;
  position: absolute;
  left: 0;
  top: 0;
  transition: 0.2s all linear;
}

.train_like .star_five .active,
.train_share .star_five .active {
  visibility: hidden;
  opacity: 0;
}

.train_like:hover .star_five .default {
  opacity: 0;
  visibility: hidden !important;
}

.train_like:hover .star_five .active {
  width: 20px;
  height: 20px;
  visibility: visible !important;
  opacity: 1;
}

.train_share:hover .model_box {
  visibility: visible;
  opacity: 1;
}

.train_share:hover > i,
.train_share:hover > span,
.train_like:hover > span {
  color: var(--primary-color) !important;
}

.train_share .model_box {
  width: 120px;
  height: 77px;
  background-color: #fff;
  position: absolute;
  top: -18px;
  left: 70px;
  border-radius: 10px;
  box-shadow: 0 0 5px 4px rgba(0, 0, 0, 0.2);
  transition: all 0.15s linear;
  visibility: hidden;
  opacity: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  /* overflow: hidden; */
  z-index: 111;
  cursor: pointer;
}

.train_share .model_box p {
  color: #222;
  font-size: 14px;
  width: 100%;
  height: 50%;
  line-height: 35px;
}

.train_share .model_box p i {
  font-size: 18px;
  display: inline-block;
  width: 30px;
  margin-right: 5px;
  margin-left: 5px;
  color: #222;
}

.train_share .model_box p:first-child {
  border-radius: 10px 10px 0 0;
}

.train_share .model_box p:last-child {
  border-radius: 0 0 10px 10px;
}

.train_share .model_box p:hover i {
  color: #fff;
}

.train_share .model_box p:hover {
  color: #fff;
  background-color: var(--primary-color);
}

.train_share .model_box::before {
  content: "";
  width: 0;
  height: 0;
  position: absolute;
  left: -16px;
  top: calc(50% - 8px);
  border-right: 8px solid #fff;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 8px solid transparent;
}

.train_share i {
  position: relative;
  left: -5px;
  font-size: 24px;
  transform: rotateY(180deg);
}

.tr_ctet_menu {
  display: flex;
  margin-top: 60px;
  margin-bottom: 50px;
  justify-content: center;
  align-items: center;
}

.tr_ctet_menu div {
  font-size: 24px;
  color: #000;
  margin: 0 35px;
  cursor: pointer;
  position: relative;
  font-weight: bold;
}

.tr_ctet_menu div::before {
  content: "";
  width: 70%;
  height: 2px;
  background-color: var(--primary-color);
  position: absolute;
  z-index: 10;
  /* left: 50%; */
  left: 15%;
  bottom: -10px;
  transition: 0.2s all linear;
  opacity: 0;
  visibility: hidden;
}

.tr_ctet_menu div:hover::before,
.tr_ctet_menu div.tr_ctet_menu_active::before {
  /* width: 100%; */
  opacity: 1;
  visibility: visible;
}

.tr_ctet_panel_zone > div.tr_panel_active {
  display: block;
}

.tr_ctet_panel_zone > div {
  display: none;
}

.tr_ctet_panel_zone > div ._ctet_panel {
  width: var(--content-width);
  max-width: var(--content-width);
  border-radius: 14px;
  padding: 30px 15px;
  box-sizing: border-box;
  background-color: #fff;
}

.tr_ctet_panel_zone > div ._ctet_panel p, .tr_ctet_panel_zone > div ._ctet_panel div {
  max-width: var(--content-width);
}

.tr_ctet_panel_zone > div ._ctet_panel img {
  display: inline-block;
  text-align: center;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone {
  width: 840px;
  margin: 0 auto;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .files_zone_title {
  padding-left: 15px;
  border-left: 1px solid #E7E7E7;
  font-size: 20px;
  font-weight: bold;
  margin-bottom: 25px;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item {
  margin: 0 auto;
  width: 840px;
  /* height: 90px; */
  display: flex;
  flex-direction: row;
  padding: 40px 30px;
  border-bottom: 1px solid #EDEDED;
  box-sizing: border-box;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item .file_item_ico {
  width: 75px;
  height: 90px;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item .file_item_info {
  width: calc(100% - 75px);
  height: 90px;
  padding-left: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item .file_item_info p {
  height: 30px;
  font-size: 20px;
  font-weight: bold;
  overflow: hidden;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item .file_item_info ._item_info_btns {
  display: flex;
  padding-left: 20px;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item .file_item_info ._item_info_btns a:hover {
  text-decoration: none;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item .file_item_info ._item_info_btns div {
  width: 80px;
  height: 27px;
  color: #fff;
  background-color: var(--primary-color);
  line-height: 27px;
  text-align: center;
  border-radius: 5px;
  margin-right: 12px;
  font-size: 14px;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item .file_item_info ._item_info_btns div:hover {
  background-color: #19b38f;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item .file_item_info ._item_info_btns div:active {
  background-color: #1c7e67;
}

.tr_ctet_panel_zone > div ._ctet_panel .files_zone .file_item:last-child {
  border-bottom: none;
}

.tr_ofe {
  width: var(--content-width);
  height: 260px;
  background-color: #16362E;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.tr_ofe div, .tr_ofe p, .tr_ofe span {
  color: #fff;
}

.tr_ofe .tr_ofe_ico {
  width: 147px;
  height: 194px;
  border-radius: 10px;
  margin-left: 15px;
}

.tr_ofe .tr_ofe_info {
  width: calc(100% - 147px);
  height: 100%;
  padding: 50px 0;
  padding-left: 50px;
}

.tr_ofe .tr_ofe_info .tr_ofe_info_title {
  height: 45px;
  width: 95%;
  text-align: center;
  font-size: 30px;
}

.tr_ofe .tr_ofe_info .tr_ofe_info_bottom {
  display: flex;
  padding-left: 145px;
}

.tr_ofe .tr_ofe_info .tr_ofe_info_bottom > div:first-child {
  width: 750px;
}

.tr_ofe .tr_ofe_info .tr_ofe_info_bottom > div:last-child {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tr_ofe .tr_ofe_info .tr_ofe_info_person {
  width: 100%;
  margin: 30px 0;
  font-size: 15px;
  text-align: center;
}

.train_bottom_operation {
  display: flex;
  margin: 10px 0;
}

.train_bottom_operation > div:first-child {
  width: 100px;
}

.train_bottom_operation span {
  font-size: 16px;
}

.train_bottom_operation .train_share > span,
.train_bottom_operation .train_share > i,
.train_bottom_operation .train_like > span,
.train_bottom_operation .train_like > i {
  color: #fff;
}

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

.tr_ctet_main > div:first-child {
  width: 850px;
}

.tr_ctet_main > div:first-child ._ctet_panel_content {
  max-width: 850px;
  width: 850px;
  padding-left: 30px;
  padding-right: 30px;
}

.tr_ctet_main > div:first-child ._ctet_panel_content p, .tr_ctet_main > div:first-child ._ctet_panel_content div {
  max-width: 850px;
}

.tr_ctet_main > div:first-child ._ctet_panel_content .files_zone {
  width: 750px;
  margin: 20px auto;
}

.tr_ctet_main > div:last-child {
  width: 330px;
}

.tr_study {
  width: var(--content-width);
  height: 260px;
  background-color: #16362E;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tr_study .tr_study_ico {
  width: 271px;
  height: 176px;
  border-radius: 10px;
  margin-left: 15px;
  border: 2px solid #fff;
  box-shadow: 0 0 4px 2px rgba(255, 255, 255, 0.3);
}

.tr_study .tr_study_info {
  width: 820px;
  height: 200px;
  margin-left: 22px;
}

.tr_study .tr_study_info .tr_study_title {
  color: #fff;
  font-size: 30px;
}

.tr_study .tr_study_info .tr_ofe_study_person {
  color: #fff;
  font-size: 15px;
  margin: 25px 0;
}