/* 律喜 */
.pm-advantages-item {
  width: 30%;
  padding: 15px 15px;
}
.pm-advantages-con {
  border: 0px;
}
.pm-advantages-item img {
  height: 124px;
  width: auto;
  transition: all 1.5s;
}

.pm-advantages-item :nth-child(2) {
  font-size: 16px;
  margin-bottom: 0px;
}

.pm-use-item {
  box-sizing: border-box;
  width: 99%;
  padding: 2rem 3rem;
  height: 300px;
  /* 背景图居中铺开,可以超出容器 */
  background: url('../img/assets/pm/jc/bottom-bg.jpg') center center / cover no-repeat;
  /* 文字上下居中 */
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pm-use-item h2 {
  font-size: 20px;
  color: #231916;
  text-align: center;
  margin-bottom: 1rem;
}
.pm-use-item p {
  font-size: 18px;
  line-height: 1.6rem;
  color: #4f4d4c;
  text-align: center;
}

@media screen and (max-width: 768px) {
  .pm-top {
    padding-top: 2rem;
  }
  .pm-top-info,
  .pm-top-pic,
  .pm-advantages-item,
  .pm-use-item {
    width: 100%;
  }
}