/*
 * @Descripttion: 凯莱通
 */
 .pm-patent {
    background: url('../img/assets/common/bg.png') no-repeat;
    background-size: cover;
    padding: 3rem 1.6rem 2rem;
  }
  .pm-patent ul,
  .pm-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .pm-advantages-item {
    width: 24%;
    text-align: center;
  }
  /* 专利 */
  .pm-patent ul li {
    width: 8%;
    text-align: center;
    font-size: 14px;
  }
  .pm-patent ul li img {
    width: 70px;
    height: 70px;
    padding: 2px;
    border-radius: 50%;
    border: 2px solid #ab997c;
    display: block;
    margin: 10px auto;
  }
  
  .pm-patent ul li img:hover{
    transform: scale(1.1); /*设置图片按照比例放大1.3倍*/
    /*转换滤镜地址https://www.zhangxinxu.com/sp/filter.html*/
    filter: invert(51%) sepia(100%) saturate(262%) hue-rotate(135deg) brightness(104%) contrast(83%);
  }
  
  /* 应用 */
  .pm-use-item {
    width: 32%;
  }
  
  .cbticlass{
    width: 100%;
    list-style-type: none;
    overflow: hidden;
    text-align: center;
  }
  .cbticlass li {
    margin: 20px 8%;;
    display: inline-block;
  }
  .cbticlass img{
    width: 168px;
  }
  
  @media screen and (max-width: 768px) {
    .pm-advantages-item,
    .pm-use-item,
    .guide-info {
      width: 100%;
    }
    .pm-patent ul li {
      width: 30%;
    }
    .guide-img {
      display: none;
    }
    .cbticlass li {
      margin: 20px 0;
      width: 30%;
    }
    .cbticlass img{
      width: 75%;
    }
  }