.md17643.md-solution-1 .layout {
  margin-left: auto;
  margin-right: auto;
  width: 14rem;
  max-width: 92%;
}
.md17643.md-solution-1 .li {
  width: calc( 453 / 1400 * 100%);
  margin-right: calc( 20 / 1400 * 100%);
  margin-bottom: 0.4rem;
}
.md17643.md-solution-1 .li:nth-child(3n) {
  margin-right: 0;
}
.md17643.md-solution-1 .dd {
  position: relative;
  height: 100%;
  display: block;
  border-bottom: 1px solid #efeff5;
}
.md17643.md-solution-1 .dd:hover .img {
  transform: scale(1.05);
}
.md17643.md-solution-1 .dd:hover .title {
  color: #ffc000;
}
.md17643.md-solution-1 .dd:hover::before {
  transform: scaleX(1);
}
.md17643.md-solution-1 .dd::before {
  content: "";
  width: 100%;
  height: 2px;
  background-color: #ffc000;
  position: absolute;
  left: 0;
  bottom: -1px;
  transform: scaleX(0);
  transform-origin: left bottom;
  transition: 0.5s;
}
.md17643.md-solution-1 .img {
  padding-top: calc( 340 / 454 * 100%);
}
.md17643.md-solution-1 .text {
  padding-top: 0.24rem;
  padding-bottom: 0.3rem;
}
.md17643.md-solution-1 .title {
  color: #222434;
  transition: 0.5s;
}
.md17643.md-solution-1 .intro {
  color: #81838e;
  margin-top: 0.1rem;
  line-height: calc( 22 / 14);
  height: calc( 660 / 22em / 14 * 2);
}
@media screen and (max-width: 900px) {
  .md17643.md-solution-1 .list {
    justify-content: space-between;
  }
  .md17643.md-solution-1 .li {
    width: 48%;
    margin-right: 0;
    margin-bottom: 4%;
  }
}
@media screen and (max-width: 500px) {
  .md17643.md-solution-1 .li {
    width: 100%;
    margin-bottom: 8%;
  }
}