page-learning-do {
  .main-container {
    height: calc(100% - 8rem);
    background: #e6e8ed url(../assets/imgs/learn/learning_background.png) no-repeat;
    padding: 1.5rem;
  }
  .swiper-slide, .slide-zoom {
    text-align: left;
  }
  .swiper-slide {
    justify-content: normal;
    align-items: normal;
  }
  .learn-item {
    height: 100%;
  }
  .learn-title {
    background-color: rgba(18, 28, 52, 0.34);
    font-size: 1.8rem;
    color: #ffffff;
    text-align: center;
    padding: 1rem;
    border-top-left-radius: .8rem;
    border-top-right-radius: .8rem;
  }
  .item-container {
    background-color: #fff;
    height: calc(100% - 8rem);
    border-bottom-left-radius: .8rem;
    border-bottom-right-radius: .8rem;
  }
  .item-title {
    padding: 1rem;
    font-size: 1.5rem;
  }
  .item-content {
    padding: 1rem;
    font-size: 1.6rem;
    div {
      p {
        margin-bottom: 1rem;
        margin-left: 1rem;
        line-height: 1.5rem;
      }
    }
  }
  .footer-subject {
    padding: 0 1rem;
    position: absolute;
    left: 0;
    bottom: 4rem;
    height: 5rem;
    width: 100%;
    background-color: #e6e8ed;
    display: flex;
    font-size: 1.8rem;
    div {
      line-height: 5rem;
    }
    .prev {
      flex: 3;
    }
    .next {
      flex: 3;
      text-align: right;
    }
    .index {
      flex: 3;
      text-align: center;
    }
  }
  .footer-submit {
    position: absolute;
    left: 0;
    bottom: 0;
    height: 4rem;
    width: 100%;
    border-top: .1rem solid #34b4fc;
    display: flex;
    div {
      line-height: 4rem;
    }
    .time {
      text-align: center;
      flex: 4;
    }
    .submit {
      background-color: #34b4fc;
      color: #ffffff;
      text-align: center;
      flex: 1;
    }
  }

  .item-ios p {
    margin: 15px 0;
    white-space: normal;
  }

  label {
    position: relative;
    display: inline-block;
    height: 2rem;
    line-height: 2rem;
    input {
      display: none;
    }
  }
  .content-textarea {
    padding: 10px;
    min-height: 100px;
    width: 100%;
    border: 1px solid #ddd;
  }
  .selectIndex {
    display: inline-block;
    vertical-align: middle;
    width: 2rem;
    text-align: center;
    height: 2rem;
    line-height: 1.9rem;
    border: 1px solid #ddd;
    border-radius: 50%;
    margin-right: 5px;
    color: #666;
    font-size: 1.5rem;
    position: relative;
  }

  input:checked + .selectIndex {
    background-color: #ec1826;
    color: #ffffff;
    border: 1px solid #ec1826;
  }
}
