.md13197.md-case-1 {
  position: relative;
  padding-top: 0.67rem;
  padding-bottom: 1rem;
}
.md13197.md-case-1 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 14rem;
  max-width: 92%;
}
.md13197.md-case-1 .case-list {
  margin-top: 0.26rem;
  margin-bottom: 0.4rem;
}

.md13197.case-list .li {
  width: calc( 453 / 1400 * 100%);
  margin-right: calc( 20 / 1400 * 100%);
  margin-bottom: 0.2rem;
}
.md13197.case-list .li:nth-child(3n) {
  margin-right: 0;
}
.md13197.case-list .dd {
  display: block;
  border-radius: 0.1rem;
  box-shadow: 0 0 0 1px #dbdbdb;
  overflow: hidden;
}
.md13197.case-list .dd:hover .img {
  transform: scale(1.05);
}
.md13197.case-list .dd:hover .title {
  color: #3992e0;
}
.md13197.case-list .img {
  padding-top: calc( 250 / 453 * 100%);
}
.md13197.case-list .text {
  padding: 0.35rem 0.3rem 0.2rem;
}
.md13197.case-list .title {
  height: 3em;
  margin-top: 0.08rem;
  -webkit-hyphens: auto;
          hyphens: auto;
  transition: all 0.5s;
}
.md13197.case-list .intro {
  margin-top: 0.36rem;
}
@media screen and (max-width: 900px) {
  .md13197.case-list {
    justify-content: space-between;
  }
  .md13197.case-list .li {
    width: 48%;
    margin-right: 0;
    margin-bottom: 4%;
  }
}