@media screen and (max-width: 768px) {
  .list-wrapper {
    width: 80%!important;
  }
  .introduce-list {
    margin: 0 10px;
  }
  .introduce-list .item-wrapper {
    width: 50%!important;
  }
}
.list-wrapper {
  width: 1200px;
  margin: 0 auto;
}
.course-type {
  display: flex;
  margin: 25px 0;
}
.course-type .item {
  font-size: 14px;
  color: #545c63;
  line-height: 16px;
  padding: 4px 12px;
  border-radius: 100px;
  margin-right: 12px;
  cursor: pointer;
}
.course-type .type-active {
  color: #fff !important;
  background-color: #63A1FC;
}
.introduce-list {
  display: flex;
  flex-wrap: wrap;
  margin-left: -10px;
  margin-right: -10px;
  margin-bottom: 20px;
}
.introduce-list .item-wrapper {
  width: 20%;
}
.introduce-list .item-wrapper .item {
  border-radius: 8px;
  background-color: #fff;
  margin: 0 10px 20px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 6px 10px 0 rgba(95, 101, 105, 0.15);
}
.introduce-list .item-wrapper .item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 20px 0 rgba(95, 101, 105, 0.3);
}
.introduce-list .item-wrapper .item .item-image {
  width: 100%;
  height: 0;
  overflow: hidden;
  padding-bottom: 60%;
  position: relative;
}
.introduce-list .item-wrapper .item .item-image img {
  border-radius: 8px 8px 0 0;
  position: absolute;
  left: 0;
  top: 0;
}
.introduce-list .item-wrapper .item .item-describe {
  padding: 15px 10px 15px;
}
.introduce-list .item-wrapper .item .item-describe .describe-top {
  font-size: 14px;
  line-height: 25px;
  height: 50px;
}
.introduce-list .item-wrapper .item .item-describe .describe-top .living-tag {
  font-size: 12px;
  color: #fff;
  border-radius: 4px;
  padding: 3px 6px;
}
.introduce-list .item-wrapper .item .item-describe .describe-top .end-btn {
  background-image: url('../../static/i/end.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% 100%;
  width: 44px;
  height: 16px;
  display: inline-block;
  transform: translateY(3px);
}
.introduce-list .item-wrapper .item .item-describe .describe-center {
  font-size: 12px;
  margin-top: 10px;
  margin-bottom: 10px;
  color: #9199A1;
  letter-spacing: 1px;
  min-height: 18px;
}
.introduce-list .item-wrapper .item .item-describe .describe-bottom {
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  min-height: 20px;
}
.introduce-list .item-wrapper .item .item-describe .describe-bottom .price-type {
  color: #F01414;
  font-weight: bold;
}
.introduce-list .item-wrapper .item .item-describe .describe-bottom .price-type .item-sales {
  display: flex;
  align-items: center;
}
.introduce-list .item-wrapper .item .item-describe .describe-bottom .price-type .item-sales .sales-box {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(242, 13, 13, 0.2);
  border-radius: 2px;
  padding: 0 5px;
  color: #fff;
  font-weight: normal;
  background-color: rgba(242, 13, 13, 0.6);
}
.introduce-list .item-wrapper .item .item-describe .describe-bottom .price-type .item-sales .sales-price {
  margin-left: 5px;
  margin-right: 5px;
}
.introduce-list .item-wrapper .item .item-describe .describe-bottom .price-type .item-sales .original-price {
  color: #6D7278;
  text-decoration: line-through;
  margin-left: 5px;
  font-weight: normal;
}
.introduce-list .item-wrapper .item .item-describe .describe-bottom .try-watch {
  background-color: #4C92FC;
  color: #fff;
  padding: 0 6px;
  border-radius: 8px;
}