.class-container {
  width: 3.46rem;
  margin: 0 auto;
  padding-top: 0.16rem;
}
.class-container ul li {
  border-radius: 0.05rem;
  overflow: hidden;
  position: relative;
  box-shadow: 0 0 0.1rem rgba(0, 0, 0, 0.1);
  margin-bottom: 0.15rem;
}
.class-container ul li:last-child {
  margin-bottom: 0;
}
.class-container ul li .tips {
  position: absolute;
  left: 0;
  top: 0.04rem;
  font-size: 0.1rem;
  line-height: 1.4em;
  border-top-right-radius: 1.4em;
  border-bottom-right-radius: 1.4em;
  background: linear-gradient(to right, #FF9C54, #FF5C6C);
  color: #fff;
  padding: 0.02rem 0.05rem 0.02rem 0.02rem;
  z-index: 1;
}
.class-container ul li .class-top {
  width: 3.46rem;
  overflow: hidden;
  position: relative;
}
.class-container ul li .class-top .top-box {
  display: flex;
  width: 3.46rem;
}
.class-container ul li .class-top .top-box .top-item img {
  width: 3.46rem;
  height: 1.32rem;
}
.class-container ul li .class-top .top-box1 {
  width: 6.92rem;
  animation: top-box 5s 10ms infinite;
}
@keyframes top-box {
  0%,
  50% {
    transform: translateX(0);
  }
  50.1%,
  100% {
    transform: translateX(-3.46rem);
  }
}
.class-container ul li .class-top .start-date {
  position: absolute;
  left: 0.08rem;
  bottom: 0.08rem;
  display: flex;
  align-items: center;
  height: 0.15rem;
  font-size: 0.1rem;
  line-height: 1em;
  color: #7C8FB4;
}
.class-container ul li .class-top .start-date img {
  margin-right: 0.04rem;
  width: 0.15rem;
  margin-top: 0.01rem;
}
.class-container ul li .title {
  display: block;
  padding: 0.08rem;
  font-size: 0.16rem;
  line-height: 0.22rem;
  background: #fff;
}