.back-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 3.4rem;
  text-align: center;
}
.back-name {
  width: 100%;
  height: 0.85rem;
  position: -webkit-sticky; /* 为了兼容性，先使用-webkit-前缀 */
  position: sticky;
  padding: 0 0.2rem;
  top: 1.28rem;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
  padding: 0 0.2rem;
  color: var(--fh-text);
  font-size: 0.32rem;
  background-color: var(--fh-bc);
}
.back-img {
  width: 0.32rem;
}
.text-copy {
  width: 100%;
  height: 0.8rem;
  border-radius: 0.1rem;
  line-height: 0.8rem;
  text-align: center;
  background-color: var(--copy-bc);
  color: var(--copy-text);
  font-size: 0.28rem;
  margin-bottom: 0.2rem;
  margin-top: 0.2rem;
}
.class-box {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.1rem;
  width: 100%;
}
.class-item {
  min-width: 1.7rem;
  height: 0.6rem;
  line-height: 0.6rem;
  text-align: center;
  border-radius: 0.1rem;
  background-color: var(--gg-bg-color);
  color: var(--textG-color);
  font-size: 0.26rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.title {
  width: 100%;
  color: var(--title-def);
  font-size: 0.24rem;
  margin-top: 0.2rem;
  margin-bottom: 0.2rem;
}
.title-span {
  color: var(--primary-color);
  font-size: 0.3rem;
  white-space: nowrap;
}
.text {
  color: #fff;
  font-size: 0.32rem;
  text-indent: 0.6rem;
}

.youxian {
  width: 100%;
  height: 2.52rem;
  border-radius: 0.2rem;
  border: 0.01rem solid var(--primary-color);
  margin-top: 0.54rem;
  margin-bottom: 1.19rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-size: 0.36rem;
  color: var(--title-def);
}
.youxian-title {
  color: var(--primary-color);
}
.xian {
  width: 4.31rem;
  border-top: 0.01rem solid #fff;
  margin-top: 0.13rem;
  margin-bottom: 0.11rem;
}
.youxian-btn {
  width: 4.31rem;
  height: 0.69rem;
  border-radius: 0.345rem;
  background-color: var(--primary-color);
  line-height: 0.69rem;
  text-align: center;
  font-size: 0.32rem;
  color: var(--copy-text);
  margin-top: 0.13rem;
}