.course-card {
  width: 7.85rem;
  height: 10.1rem;
  margin: 0.25rem;
  overflow: hidden;
  border-radius: 0.4rem;
  box-shadow: 0 0 0.375rem 0.2rem rgba(0, 0, 0, 0.04);
}
.course-card:nth-child(odd) {
  margin-left: 0.5rem;
}
.course-card:nth-child(even) {
  margin-right: 0.5rem;
}
.course-card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  min-height: 11.25rem;
  margin-top: -0.25rem;
}
.course-card-img {
  height: 4.45rem;
  overflow: hidden;
}
.course-card-info {
  padding: 0.45rem 0.5rem;
}
.course-card-info .title {
  height: 2rem;
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1rem;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.course-card-info .time {
  font-size: 0.6rem;
  color: #666;
}
.course-card-info .price {
  font-size: 0.8rem;
  font-weight: 500;
  color: #ff4500;
}
.course-card-info .price span {
  font-weight: 700;
}
.course-card-info .price em {
  font-size: 0.55rem;
  font-style: normal;
}
.course-card-info .info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.15rem 0 0.3rem;
}

.course-page .app-empty {
  height: 16rem;
}

.course-detail {
  position: relative;
}
.course-detail img {
  width: 100%;
}
.course-detail .banner {
  position: absolute;
  top: 0;
  z-index: -1;
  width: 100%;
  height: 10rem;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  filter: blur(0.5rem) opacity(0.3);
}
.course-detail .card {
  position: relative;
  z-index: 10;
  display: flex;
  padding: 1rem 0.75rem;
}
.course-detail .card-img {
  flex: none;
  width: 8.25rem;
  height: 4.625rem;
  overflow: hidden;
  border-radius: 0.4rem;
  box-shadow: 0 0 0.75rem rgba(0, 0, 0, 0.2);
}
.course-detail .card-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  margin-left: 0.5rem;
}
.course-detail .card-info .title {
  font-size: 0.8rem;
  font-weight: 400;
  line-height: 1.15rem;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.course-detail .card-info .price {
  font-size: 0.95rem;
  font-weight: 500;
  color: #ff4500;
}
.course-detail .card-info .price span {
  font-weight: 700;
}
.course-detail .card-info .price em {
  font-size: 0.7rem;
  font-style: normal;
}
.course-detail .container {
  padding: 1.25rem 0.75rem 1rem;
  background-color: #fff;
  border-radius: 0.75rem 0.75rem 0 0;
}
.course-detail .container .desc {
  font-size: 0.75rem;
  color: #333;
}
.course-detail .container .text {
  margin-top: 0.75rem;
  font-size: 0.75rem;
  line-height: 1.3rem;
  text-align: justify;
}