/*
 * @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%;
  }
}