.header-box {
  width: 100%;
  height: 0.42rem;
  padding: 0.1rem 0;
  display: flex;
}
.logo-img {
  width: 0.42rem;
  height: 0.42rem;
}
.search-box {
  flex: 1;
  height: 0.42rem;
  background: #f3f3f3;
  margin-left: 0.16rem;
  display: flex;
  border-radius: 2.2rem;
}
.input-box {
  flex: 1;
}
.input_ {
  height: 0.42rem;
  border-radius: 6px 0px 0px 6px;
  border: none;
  padding-left: 0.24rem;
  outline-color: #fff;
  line-height: 0.42rem;
  background: none;
}
.search-img-box {
  width: 0.6rem;
  height: 0.42rem;
  background: #008481;
  border-radius: 4.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.search-img-box .search-icon {
  width: 0.22rem;
  height: 0.22rem;
}

.index-bg {
  height: 1.61rem;
  width: 3.46rem;
  background: url(../images/common/index@bg.png) no-repeat;
  background-size: 100% 100%;
  margin: auto;
  position: relative;
  z-index: 2;
  margin-top: 0.4rem;
  border-radius: 0.05rem;
}

.course-box {
  margin-top: 0.2rem;
}
.class-nav {
  width: 0.62rem;
  height: 0.33rem;
  text-align: center;
  line-height: 0.33rem;
  color: #181818;
  border-radius: 0.33rem;
  margin-right: 0.1rem;
  font-size: 0.14rem;
  font-weight: bold;
}
.class-active {
  background: #009792;
  color: #fff;
}
.class-nav a {
  color: #fff;
}

.course-content-box {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  padding: 0 0.1rem;
  justify-content: space-between;
}
.course-item {
  width: 1.52rem;
  box-shadow: 0px 0.03rem 0.08rem 0px rgba(17, 8, 0, 0.1);
  border-radius: 0.02rem;
  margin-top: 0.2rem;
}
.course-img {
  width: 1.52rem;
  height: 0.88rem;
  background-size: 100% 100%;
  background-position: center;
  border-radius: 0.04rem 0.04rem 0 0;
}
.course-name {
  width: 100%;
  padding: 0.08rem 0.08rem 0;
  color: #1f201f;
  font-size: 0.11rem;
  font-weight: 500;
}
.course-active-box {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-right: 0.05rem;
  margin: 0.12rem 0;
}
.tag-box {
  width: 0.6rem;
  height: 0.15rem;
  background: #faba58;
  text-align: center;
  line-height: 0.16rem;
  color: #fff;
  font-size: 0.12rem;
  position: relative;
}
.tag-box::after {
  content: "";
  position: absolute;
  bottom: 0px;
  right: -0.16rem;
  width: 0;
  height: 0;
  border-width: 0.08rem;
  border-style: solid;
  border-color: transparent transparent transparent #faba58;
}
.play-button {
  width: 0.48rem;
  height: 0.22rem;
  background: #e64545;
  text-align: center;
  line-height: 0.24rem;
  font-size: 0.14rem;
  color: #fff;
  border-radius: 0.15rem;
  cursor: pointer;
  font-weight: 500;
}

.overflow1 {
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  word-wrap: break-word;
  white-space: normal !important;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  word-break: break-all;

  -o-text-overflow: ellipsis;
  -icab-text-overflow: ellipsis;
  -khtml-text-overflow: ellipsis;
  -moz-text-overflow: ellipsis;
  -webkit-text-overflow: ellipsis;
}

.load-more {
  width: 100%;
  height: 0.67rem;
  color: #b3b3b3;
  text-align: center;
  line-height: 0.67rem;
}

.nodata {
  width: 100%;
  height: 2rem;
  text-align: center;
  line-height: 2rem;
  color: #b4b4b4;
}