.column-title .title {
  font-size: 0.36rem;
  font-weight: 700;
  text-align: center;
  color: #000000;
  line-height: 0.52rem;
}

.column-title .des {
  font-size: 0.2rem;
  line-height: 0.4rem;
  color: #444;
  margin: 0.24rem auto 0 auto;
  width: 12.6rem;
  text-align: center;
}

@media screen and (max-width: 750px) {
  .column-title .title {
    font-size: 0.4rem;
  }
  .column-title .title::after {
    width: 0.64rem;
  }
  .column-title .des {
    width: 6rem;
    margin: 0.6rem auto 0;
    color: #666;
    font-size: 0.28rem;
    line-height: 0.42rem;
    text-align: left;
  }
}