/* 加载状态 */
.loading-state {
  text-align: center;
  padding: 1rem;
  color: #666;
  font-size: 0.2rem;
}

.loading-spinner {
  display: inline-block;
  width: 0.4rem;
  height: 0.4rem;
  border: 0.03rem solid #f3f3f3;
  border-top: 0.03rem solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}
/* 课程列表 */
.section1 {
  margin-top: 1.4rem;
}
.body-section-box {
  margin-top: 1.2rem;
}
.class-list {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: .45rem;
  font-size: .26rem;
}

.class-item {
  border-radius: .2rem;
  overflow: hidden;
  background-color: #fff;
  cursor: pointer;
}

.class-item-img img {
  width: 100%;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}


.class-list2 {
  grid-template-columns: 1fr 1fr;
}

.class-list2 .class-item-title {
  padding: .3rem .35rem;
  /* line-height: .6rem; */
  font-size: .42rem;
}

.class-list2 .class-item-tips {
  padding: 0 .35rem .3rem;
  font-size: .32rem;
}


.class-list1 {
  grid-template-columns: 1fr;
}

.class-list1 .class-item {
  width: 15.25rem;
  margin: 0 auto;
}

.class-list1 .class-item-title {
  padding: .3rem .35rem;
  /* line-height: .6rem; */
  font-size: .48rem;
}

.class-list1 .class-item-tips {
  padding: 0 .35rem .3rem;
  font-size: .36rem;
}

.class-list1 .class-item-img img {
  width: 15.25rem;
}

.class-title-box {

}
.class-item-title {
  padding: .2rem .25rem;
  font-size: .32rem;
  font-weight: bold;
  color: #000;
  line-height: .4rem;
  /* height: .8rem; */
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.class-item-tips {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 .25rem .25rem .25rem;
  font-size: .24rem;
  color: #717171;
}


.case-button {
  width: 1.91rem;
  height: .68rem;
  margin: .5rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  img {
    width: .68rem;
    height: .68rem;
  }
}

.case-button .swiper-button-next {
  position: relative;
  top: 0;
  right: 0;
  width: .68rem;
  height: .68rem;
  font-size: .68rem;
}
.case-button .swiper-button-next::after {
  content: '';
}
.case-button .swiper-button-prev {
  position: relative;
  top: 0;
  left: 0;
  width: .68rem;
  height: .68rem;
}
.case-button .swiper-button-prev::after {
  content: '';
}