.main-fixed-header {
  position: fixed;
  z-index: 100;
  background: #fff;
  box-shadow: 0 0 12px #d8d8d8;
  width: 100%;
  top: -300px;
  transition: 0.4s;
  padding: 30px 40px;
}
.main-fixed-header.on {
  top: 0;
}
.main-fixed-header .img-box img {
  max-width: 140px;
  max-height: 50px;
}
.main-fixed-header .title {
  margin: 0 40px;
  font-weight: bold;
  font-size: 20px;
}
.main-fixed-header .share-box {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
}
.main-fixed-header .share-box i {
  color: #cdd5d9;
  display: inline-block;
  font-size: 24px;
  cursor: pointer;
}
.main-fixed-header .share-box i:hover {
  opacity: 0.8;
}
.main-fixed-header .share-box i.icon-star.on {
  color: #f8bc69;
}
.main-fixed-header .share-box i.icon-heart.on {
  color: #f88769;
}
.main-fixed-header .share-box i.icon-node.on {
  color: #88c17b;
}
.main-fixed-header .btn-box button {
  padding: 10px 30px;
  font-weight: bold;
}
.main-fixed-header .btn-box .btn1 {
  background: #fff;
  border: 1.5px solid #47b749;
  color: #47b749;
}
.main-fixed-header .btn-box .btn2 {
  color: #fff;
  background: #47b749;
}
.course_detail {
  margin-bottom: 0;
}
.course_detail .con .con-main {
  margin-right: 40px;
}
.course_detail .con .con-main .nav-box .con-nav ul li {
  font-size: 12px;
  font-weight: normal;
  color: #999;
  margin-right: 0;
}
.course_detail .con .con-main .nav-box .con-nav ul li::after {
  margin: 0 10px;
  content: '>';
}
.course_detail .con .con-main .nav-box .con-nav ul li:nth-last-child(1)::after {
  content: '';
}
.course_detail .con .con-main .nav-box .con-date {
  font-size: 13px;
  color: #999;
}
.course_detail .con .con-main .con-logo {
  margin-top: 20px;
}
.course_detail .con .con-main .con-logo img {
  max-height: 120px;
}
.course_detail .con .con-main .con-title-box {
  margin-bottom: 10px;
  margin-top: 20px;
}
.course_detail .con .con-main .con-title-box .con-title {
  margin-right: 20px;
}
.course_detail .con .con-main .con-title-box .con-title h1 {
  font-size: 24px;
  margin-top: 0;
  line-height: 37px;
}
.course_detail .con .con-main .con-title-box .box-btn button {
  background: #47b749;
  color: #fff;
  width: 140px;
  height: 40px;
  font-weight: bold;
}
.course_detail .con .con-main .con-com {
  font-size: 16px;
  color: #999;
}
.course_detail .con .con-main .con-datetime {
  margin-top: 10px;
}
.course_detail .con .con-main .con-datetime .con-d,
.course_detail .con .con-main .con-datetime .con-t,
.course_detail .con .con-main .con-datetime .con-all-time {
  font-size: 16px;
  color: #999;
}
.course_detail .con .con-main .con-datetime .con-money {
  color: #47b749;
  font-size: 20px;
  font-weight: bold;
  letter-spacing: 1px;
}
.course_detail .con .con-main .con-desc {
  margin-top: 30px;
  font-size: 16px;
}
.course_detail .con .con-main .con-tags {
  margin-top: 30px;
}
.course_detail .con .con-main .con-tags span {
  font-size: 16px;
  padding: 5px 20px;
  background: #f7f7f7;
  border-radius: 4px;
  color: #44484a;
  display: inline-block;
  margin-right: 10px;
  cursor: pointer;
}
.course_detail .con .con-main .con-tags span:hover {
  opacity: 0.8;
}
.course_detail .con .con-main .con-img {
  margin-top: 40px;
}
.course_detail .con .con-main .con-img img {
  width: 100%;
}
.course_detail .con .con-main .con-title2 {
  margin-top: 30px;
  font-size: 18px;
}
.course_detail .con .con-main .item-box {
  font-size: 16px;
  border-bottom: 1px solid #d8d8d8;
  padding: 20px 0;
}
.course_detail .con .con-main .item-box .item-text {
  width: 220px;
  font-weight: bold;
}
.course_detail .con .con-main .item-box .item-main ul {
  margin-left: 20px;
}
.course_detail .con .con-main .item-box .item-main ul li {
  list-style-type: disc;
}
.course_detail .con .con-main .item-share {
  padding: 30px 0;
  border-bottom: 1px solid #d8d8d8;
}
.course_detail .con .con-main .item-share .share-box i {
  display: inline-block;
  color: #cdd5d9;
  font-size: 24px;
  cursor: pointer;
}
.course_detail .con .con-main .item-share .share-box i:hover {
  opacity: 0.8;
}
.course_detail .con .con-main .item-share .share-box.icon-star.on {
  color: #f8bc69;
}
.course_detail .con .con-main .item-share .share-box .icon-heart.on {
  color: #f88769;
}
.course_detail .con .con-main .item-share .share-box .icon-node.on {
  color: #88c17b;
}
.course_detail .con .con-main .item-share .share-box .mid-line {
  display: inline-block;
  width: 1px;
  height: 20px;
  margin: 0 8px;
  background: #cdd5d9;
}
.course_detail .con .con-main .prev-next {
  margin-top: 60px;
}
.course_detail .con .con-main .prev-next button {
  color: #fff;
  background: #47b749;
  font-size: 16px;
  width: 150px;
  height: 45px;
}
.course_detail .con .con-main .prev-next .next {
  text-align: right;
}
.course_detail .con .con-main .con-back {
  margin-top: 60px;
}
.course_detail .con .con-main .con-back span {
  color: #47b749;
  cursor: pointer;
  font-size: 16px;
}
.course_detail .con .con-main .con-back span:hover {
  opacity: 0.8;
}
.course_detail .con .con-main .con-back span i {
  display: inline-block;
  margin-top: 4px;
  font-size: 12px;
}
.main-mid-line {
  margin: 25px 0;
}
.more-course {
  width: 90%;
  margin: 0 auto;
}
.more-course ul li {
  display: inline-block;
  margin-right: 30px;
}
.more-course ul li:hover {
  opacity: 0.8;
}
.more-course ul li a {
  color: #999;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
}
.more-course ul li.active:hover {
  opacity: 1;
}
.more-course ul li.active a {
  color: #47b749;
}
.more-course ._item-time {
  font-size: 12px;
}
.more-course .tab-content {
  margin-top: 30px;
}
.more-course .tab-content .items {
  margin-bottom: 20px;
}
.more-course .tab-content .items ._item {
  height: 140px;
  padding: 20px;
  margin-right: 20px;
  box-shadow: 0 0 12px #d8d8d8;
  border-radius: 8px;
  max-width: calc(25% - 20px);
}
.more-course .tab-content .items ._item:nth-last-child(1) {
  margin-right: 0;
}
.more-course .tab-content .items ._item ._item-top {
  height: 90px;
  font-size: 14px;
}
.more-course .tab-content .items ._item ._item-top ._item-title {
  font-weight: bold;
  line-height: 20px;
}
.more-course .tab-content .items ._item ._item-top ._item-small-title {
  margin-top: 5px;
  line-height: 20px;
  color: #999;
}
.more-course .tab-content .items ._item ._item-btm ._item-money {
  font-weight: bold;
  font-size: 12px;
  color: #47b749;
  margin-left: 10px;
}
.more-course .tab-more {
  margin-top: 50px;
  text-align: center;
}
.more-course .tab-more button {
  background: #47b749;
  color: #fff;
  font-size: 18px;
  width: 160px;
  height: 45px;
}
.more-course .line2 {
  margin-top: 50px;
}
.hj-title {
  text-align: center;
  font-size: 24px;
  color: #47b749;
  letter-spacing: 0.5px;
}
.hj-title span {
  font-weight: bold;
}
.hj-box iframe {
  width: 100%;
  height: 1000px;
}
.hj-box iframe header,
.hj-box iframe footer {
  display: none;
}
.icon-star.on {
  color: #f8bc69 !important;
}
.mid-line {
  display: inline-block;
  width: 1px;
  height: 20px;
  margin: 0 8px;
  background: #cdd5d9;
}
.inquiry-modal .modal-body {
  padding: 15px 30px;
}
.inquiry-modal .modal-header {
  padding: 8px 30px;
}
.inquiry-modal .modal-item .item-title {
  font-weight: 600;
  color: #47B748;
  font-size: 14px;
  border-bottom: 1px solid #47B748;
}
.inquiry-modal .modal-item .item-body {
  margin-top: 20px;
}
.inquiry-modal .modal-item .item-body .item {
  display: flex;
  align-items: top;
}
.inquiry-modal .modal-item .item-body .item .item-key {
  font-weight: 600;
  color: #000;
  margin-right: 20px;
  width: 50px;
}
.inquiry-modal .modal-item .item-body .item .item-val {
  display: flex;
  flex-wrap: wrap;
  flex: 1;
  word-break: break-all;
}
.inquiry-modal .modal-item.faq-list-item {
  margin-top: 40px;
}
.inquiry-modal .modal-item.faq-list-item .faq-list {
  background-color: #F5F5F1;
  border-radius: 12px;
  padding: 10px 20px;
}
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item {
  border-bottom: 1px solid #E5E5E5;
  padding: 14px 0;
}
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fq,
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fa {
  display: flex;
  align-items: flex-start;
  line-height: 1.6;
  min-width: 0;
}
/* 问与答之间以虚线分隔并留白，避免文字过于拥挤 */
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fq {
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px dashed #D8D8D8;
}
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fq .faq-key,
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fa .faq-key {
  color: #777;
  font-weight: 400;
}
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fq .faq-val,
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fa .faq-val {
  font-weight: bold;
  color: #000;
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fq .faq-time,
.inquiry-modal .modal-item.faq-list-item .faq-list .faq-item .fa .faq-time {
  color: #999;
}
.inquiry-modal .modal-item.btn-item {
  text-align: center;
  margin-top: 20px;
}
.inquiry-modal .modal-item.btn-item button {
  padding: 8px 20px;
  margin: 0 10px;
  color: #fff;
  font-weight: 600;
}
.inquiry-modal .modal-item.btn-item .inquiry-btn {
  background: linear-gradient(to top right, #4BB94F, #6DCB8C);
}
.inquiry-modal .modal-item.btn-item .cancel-btn {
  background: linear-gradient(to top right, #A6C29E, #8FD1A5);
}