.title {
  position: relative;
  text-align: center;
  font-size: 22px;
  font-weight: 600;
  color: #000000;
  line-height: 30px;
  letter-spacing: 1px;

  span {
    position: relative;
    z-index: 9;
  }
}

.title1::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 99px;
  height: 18px;
  transform: translate(-50%, 50%);
  background: url('../images/co-ai/title-1.png') no-repeat center;
  background-size: contain;
}

.title2::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 73px;
  height: 16px;
  transform: translate(-50%, 50%);
  background: url('../images/co-ai/title-2.png') no-repeat center;
  background-size: contain;
}

.content {
  padding: 8px 24px 0;
  font-size: 14px;
  color: rgba(0, 0, 0, 0.5);
  line-height: 24px;
}

.sectionAi {
  background: #fff;
  padding: 20px 0 60px;

  .aiContent {
    padding: 8px 24px 30px;
    font-size: 14px;
    color: rgba(0, 0, 0, 0.5);
    line-height: 24px;
  }
}

.sectionEval {
  padding: 40px 0 56px;
  background: url('https://oss.dayaedu.com/klx/1699430706758evaluation-bg.png') no-repeat center #fff;
  background-size: cover;

  .content {
    p {
      text-indent: 2em;
    }
  }
}

.sectionChange {
  padding: 40px 0 56px;
  background: #fff;

  .content {
    padding-bottom: 36px;
  }
}

.sectionMusic {
  padding: 40px 0 56px;
  background: url('https://oss.dayaedu.com/klx/1699430767071music-bg.png') no-repeat center #fff;
  background-size: cover;

  .content {
    padding-bottom: 13px;
  }
}