.course .course-box .top {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px 0;
  margin-top: -30px;
  padding: 0 30px;
}

.course .course-box .top .type {
  display: flex;
  color: #333;
  font-size: 16px;
  line-height: 24px;
}

.course .course-box .top .type .name {
  padding-right: 10px;
  font-weight: 500;
}

.course .course-box .top .type .list {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
}

.course .course-box .top .type .list .item {
  margin-right: 4px;
  margin-bottom: 10px;
  padding: 0 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.24s ease;
}

.course .course-box .top .type .list .item.active, .course .course-box .top .type .list .item:hover {
  color: #fff;
  background-color: #1d479c;
}

.course .course-box .course-list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
  padding: 20px 30px 0;
}

.course .course-box .course-list .item {
  box-sizing: border-box;
  width: 264px;
  height: 260px;
  border: 1px solid #f2f2f2;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.24s ease;
}

.course .course-box .course-list .item:hover {
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.course .course-box .course-list .item .img {
  width: 100%;
  height: 148px;
  border-radius: 10px 10px 0 0;
}

.course .course-box .course-list .item .content {
  margin: 0 15px;
}

.course .course-box .course-list .item .content .name {
  display: flex;
  align-items: center;
  height: 50px;
  color: #333;
  font-size: 16px;
  line-height: 20px;
}

.course .course-box .course-list .item .content .name .text {
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.course .course-box .course-list .item .content .date {
  padding: 2px 0;
  color: #999;
  font-size: 14px;
}

.course .course-box .course-list .item .content .price {
  color: #ff4500;
  font-size: 18px;
}

.course .course-box .course-list .item .content .price span {
  font-size: 12px;
}

.course .course-detail .detail {
  position: relative;
  z-index: 10;
  display: flex;
  margin-top: -30px;
  padding: 0 30px;
}

.course .course-detail .detail .img {
  width: 400px;
  height: 232px;
  object-fit: cover;
  border-radius: 16px;
}

.course .course-detail .detail .detail-r {
  position: relative;
  flex: 1;
  padding: 0 50px 0 30px;
  line-height: 25px;
}

.course .course-detail .detail .detail-r .title {
  margin: 0;
  padding: 20px 0 15px;
  color: #333;
  font-weight: 400;
  font-size: 22px;
}

.course .course-detail .detail .detail-r .info {
  padding: 10px;
  background: linear-gradient(90deg, #f6f6f6, #fff);
  border-radius: 10px;
}

.course .course-detail .detail .detail-r .info .des {
  position: relative;
  width: 700px;
  overflow: hidden;
  color: #333;
  font-size: 14px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.course .course-detail .detail .detail-r .info .des .price {
  color: #ff4500;
  font-size: 22px;
}

.course .course-detail .detail .detail-r .info .des .price span {
  font-size: 12px;
}

.course .course-detail .detail .detail-r .btn {
  position: absolute;
  bottom: 0;
  left: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 175px;
  height: 40px;
  color: #fff;
  font-size: 18px;
  background: #f08300;
  border-radius: 20px;
  cursor: pointer;
}

.course .course-detail .parse {
  padding: 20px 30px;
}