* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
}
a {
  text-decoration: none;
  color: inherit;
}
::-webkit-scrollbar {
  width: 3px;
  height: 3px;
}
::-webkit-scrollbar-track {
  border-radius: 3px;
  background-color: transparent;
  color: transparent;
  filter: alpha(opacity=0);
}
::-webkit-scrollbar-thumb {
  height: 3px;
  border-radius: 3px;
  background-color: transparent;
  color: transparent;
}
*:hover::-webkit-scrollbar-thumb {
  background-color: #ffffff47;
}
*:hover::-webkit-scrollbar-track {
  background-color: transparent;
  color: transparent;
}
.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}
.button {
  display: inline-block;
  padding: 8px 16px;
  background-color: #3498db;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s;
}
.button:hover {
  background-color: #217dbb;
}
.svg-icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}
[v-cloak] {
  display: none;
}
.el-dialog {
  border-radius: 10px;
}
.custom-dialog .el-dialog {
  border-radius: 20px;
}
.custom-dialog .el-dialog__header {
  display: none;
}
.custom-dialog .el-dialog__body {
  padding: 0;
}
.custom-dialog .el-dialog__footer {
  padding: 0;
}
.empty-container {
  background-color: #f9f9f9;
  min-height: 300px;
}
.filter-container {
  padding: 15px;
  border-radius: 10px;
  background-color: #F5F5F5;
  transition: all 0.3s;
}
.filter-select-for-channel {
  padding: 10px 0;
}
.filter-select-for-channel .filter-options {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.filter-select-for-channel .all-options {
  flex-shrink: 0;
  margin-top: 5px;
}
.filter-select-for-channel .other-options {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
}
.filter-select-for-channel .filter-item {
  padding: 5px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s;
}
.filter-select-for-channel .filter-item.active {
  border-radius: 4px;
  background: #F8DFE0;
  color: #DB2D31;
}
.el-message-box {
  border-radius: 16px;
}
.el-message-box .el-message-box__message {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  font-size: 20px;
  text-align: center;
}
.backtop-icon {
  font-size: 30px;
}
.collect-btn {
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
}
.collect-btn .svg-icon {
  font-size: 20px;
  margin-right: 4px;
}
.action {
  color: #DB2028;
  font-size: 14px;
}
.action .svg-icon {
  color: #DB2028;
}
.intro-btmItem {
  display: flex;
  justify-content: center;
}
.intro-btmItem .intro-btm {
  padding: 6px 20px;
  font-size: 13px;
}
.intro-btmItem .action {
  background-color: #DB2D31;
  color: #fff;
}
.collectionList {
  display: flex;
  align-items: center;
}
.collectionList .collection-item {
  font-size: 13px;
  line-height: 28px;
  margin-left: 10px;
  cursor: pointer;
  width: 80%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.collectionAction {
  background-color: #e4eef3;
}
.loading {
  text-align: center;
  margin: 25px 0;
}
.loading .el-icon-loading {
  font-size: 16px;
  margin-right: 5px;
}
.image-error-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  font-size: 100px;
}
.image-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
}
.course-filter-common {
  display: flex;
  align-items: baseline;
  margin: 20px 0px;
}
.course-filter-common .title {
  font-size: 30px;
  font-weight: 700;
  color: #333333;
  flex-shrink: 0;
  margin-right: 20px;
}
.course-filter-common .filter-items {
  width: 100%;
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 7px;
  margin-top: 7px;
  align-items: baseline;
}
.course-filter-common .filter-items::-webkit-scrollbar {
  display: none;
}
.course-filter-common .filter-items .filter-item {
  color: #000;
  text-decoration: none;
  font-size: 18px;
  position: relative;
  flex-shrink: 0;
  margin-right: 30px;
  cursor: pointer;
}
.course-filter-common .filter-items .filter-item.active {
  color: #D32F2F;
  font-weight: bold;
}
.course-filter-common .filter-items .filter-item.active:after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: #D32F2F;
}
.course-filter-common .filter-items .filter-item:hover {
  color: #D32F2F;
}
.course-filter-common .filter-more {
  color: #999999;
  text-decoration: none;
  font-size: 16px;
  padding: 0 4px;
  flex-shrink: 0;
  cursor: pointer;
}
.course-filter-common .filter-more a {
  color: #333;
  text-decoration: none;
  font-size: 16px;
  padding: 0 4px;
  flex-shrink: 0;
  cursor: pointer;
}
.course-filter-common .filter-more .svg-icon {
  font-size: 14px;
}
.course-filter-common .filter-more:hover {
  color: #D32F2F;
}
.course-filter-common .filter-more:hover a {
  color: #D32F2F;
}
.course-filter {
  margin: 20px 0px;
}
.course-filter .title {
  font-size: 30px;
  font-weight: 700;
  color: #333333;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .course-filter .title {
    font-size: 18px;
  }
  .course-filter .filter-item {
    font-size: 16px !important;
  }
  .course-filter .filter-more {
    font-size: 14px !important;
  }
}
.course-filter .filter-items {
  width: 100%;
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 7px;
  margin-top: 7px;
}
.course-filter .filter-items::-webkit-scrollbar {
  display: none;
}
.course-filter .filter-items .filter-item {
  color: #000;
  text-decoration: none;
  font-size: 18px;
  position: relative;
  flex-shrink: 0;
  margin-right: 30px;
}
.course-filter .filter-items .filter-item.active {
  color: #D32F2F;
  font-weight: bold;
}
.course-filter .filter-items .filter-item.active:after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: #D32F2F;
}
.course-filter .filter-items .filter-item:hover {
  color: #D32F2F;
}
.course-filter .filter-more {
  color: #999999;
  text-decoration: none;
  font-size: 16px;
  padding: 0 4px;
  flex-shrink: 0;
  cursor: pointer;
}
.course-filter .filter-more .svg-icon {
  font-size: 14px;
}
.course-filter .filter-more:hover {
  color: #D32F2F;
}
.flex-el-row {
  display: flex;
  flex-wrap: wrap;
}
.course-card {
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
  cursor: pointer;
}
.course-card .course-img-mini {
  width: 100%;
  height: 145px !important;
}
.course-card .course-img-large {
  width: 100%;
  height: 304px !important;
}
.course-card .course-img {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
  aspect-ratio: 16 / 8;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #F7F9FA;
}
.course-card .course-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.course-card .course-img .episode-type {
  position: absolute;
  top: 0;
  right: 0;
  background-color: rgba(98, 18, 0, 0.6);
  border-bottom-left-radius: 10px;
  color: #fff;
  padding: 3px 6px;
}
.course-card .course-img .episode-type .svg-icon {
  color: #fff;
  font-size: 16px;
}
.course-card .course-img .episode-type span {
  font-size: 12px;
  color: #fff;
}
.course-card .course-img:hover img {
  transform: scale(1.05);
}
.course-card .course-info {
  padding: 16px;
  background: #F7F9FA;
}
.course-card .course-info .course-title {
  font-size: 16px;
  font-weight: bold;
  color: #333;
  line-height: 22px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.course-card .course-info .course-desc {
  height: 20px;
  font-size: 14px;
  color: #666;
  line-height: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 5px 0;
}
.course-card .course-info .course-meta {
  display: flex;
  align-items: center;
  font-size: 12px;
  color: #999;
  justify-content: space-between;
}
.course-card .course-info .course-meta .date {
  color: #666;
}
.course-card .course-info .count {
  color: #505050;
  font-size: 14px;
  font-weight: 600;
}
.course-card .course-info .course-tags {
  margin-top: 10px;
  height: 20px;
}
@media (max-width: 1366px) {
  .course-meta {
    flex-direction: column;
    align-items: start !important;
    gap: 0 !important;
  }
}
li {
  list-style: none;
}
.header-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}
.maxW1540 {
  max-width: 1540px;
  margin: 0 auto;
}
.informationDisclosure {
  background: #f5f6fa;
}
.childChannelHead {
  position: relative;
  font-size: 0;
}
.childChannelHead img {
  width: 100%;
}
.childChannelHead .childChannelHeadText {
  display: flex;
  align-items: center;
  position: absolute;
  bottom: 100px;
  width: 100%;
  z-index: 9;
  font-weight: 800;
  font-size: 60px;
  gap: 40px;
  color: #FFFFFF;
  left: 0;
  right: 0;
  justify-content: right;
}
.childChannelHead .childChannelHeadText > div {
  letter-spacing: 10px;
  font-style: italic;
}
.childChannelHead .childChannelContent {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.48);
  font-weight: 500;
  font-size: 22px;
  color: #FFFFFF;
}
.childChannelHead .childChannelContent > div {
  display: flex;
  align-items: center;
  justify-content: end;
  height: 80px;
}
.childChannelHead .childChannelContent > div > div {
  padding: 0 20px;
  border-right: 1px solid #fff;
}
.childChannelHead .childChannelContent > div > div:last-child {
  border-right: none !important;
}
.active1 {
  background: #49A3FF;
  padding: 10px 20px;
  border-radius: 21px 21px 21px 21px;
}
.active2 {
  font-size: 24px;
  font-weight: bold;
  color: #000;
  position: relative;
}
.active2::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 5px;
  background: #066D62;
  bottom: -10px;
  left: 0;
}
.hasChild {
  display: flex;
  align-items: center;
  height: 68px;
  background: rgba(3, 3, 3, 0.04);
  font-weight: 400;
  font-size: 20px;
  color: #838282;
  justify-content: center;
}
.hasChild > div {
  padding: 0 28px;
}
.position {
  display: flex;
  align-items: center;
  height: 70px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 18px;
  color: #444444;
  justify-content: end;
}
.position a {
  margin: 0 5px;
}
.listContent {
  background: #ffffff;
  padding: 30px 25px 30px 40px;
}
.listContent li {
  font-weight: 400;
  font-size: 22px;
  color: #030404;
  padding: 30px 0;
  border-bottom: 1px solid #CFCFCF;
}
.listContent li .abstract {
  margin-top: 18px;
  font-weight: 400;
  font-size: 18px;
  color: #8E8E8E;
  padding-left: 54px;
}
.listContent li .title {
  position: relative;
}
.listContent li .title svg {
  margin-right: 26px;
}
.listContent li .title .date {
  font-weight: 400;
  font-size: 18px;
  color: #8E8E8E;
  position: absolute;
  right: 0;
  bottom: 0;
}
.pagination {
  display: flex;
  text-align: center;
  font-size: 16px;
  align-items: center;
  color: #555556;
  justify-content: center;
  padding: 40px 0;
  gap: 10px;
}