.sectionBanner {
  width: 100%;
  height: 40rem;
  text-align: center;
  line-height: 40rem;
  font-size: 4.3rem;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  color: #ffffff;
    background-size: 100% 100%
  position: relative;
}

.solutionList {
  display: flex;
  flex-wrap: wrap;
  margin: 8rem auto 0;
  width: 1200px;
}

.solutionCard {
  width: calc(33.33% - 14px);
  margin-right: 21px;
  margin-bottom: 21px;
}

.solutionTitle {
  line-height: 4.6rem;
  text-align: center;
  font-size: 2rem;
}

.solutionCard img {
  width: 100%;
  border-radius: 4px;
}

.solutionCard a {
  color: #212529;
}

.solutionCard a:hover {
  color: #212529;
  text-decoration: none;
}

.solutionCard:nth-child(3n) {
  margin-right: 0;
}

@media all and (min-width: 769px) and (max-width: 1280px) {
  .solutionList {
    width: 720px;
  }
}

@media all and (max-width: 768px) {
  .solutionList {
    width: 100%;
    padding: 0 10px;
  }
  .solutionCard {
    width: calc(50% - 5px);
  }

  .solutionCard {
    margin-right: 0;
    margin-bottom: 10px;
  }

  .solutionCard:nth-child(odd) {
    margin-right: 10px;
  }

  .solutionTitle {
    white-space: nowrap; /* 禁止换行 */
    overflow: hidden; /* 隐藏溢出内容 */
    text-overflow: ellipsis; /* 显示省略号 */
  }

  .sectionBanner {
    height: 300px;
    line-height: 300px;
  }
}