.pro-box {
  margin-bottom: 1.5rem;
}
.pro-li a {
  display: block;
  background-size: 100%;
  width: 100%;
  height: 8.9rem;
  background: #fff9f5;
  box-shadow: 3px 3px 6px -1px rgba(141, 116, 100, 0.22);
  position: relative;
}
.pro-li a img {
  margin: 0 auto;
}
.pro-li a h4 {
  width: 4.9rem;
  position: absolute;
  bottom: 1rem;
  left: 50%;
  margin-left: -2.45rem;
}
.index-ad {
  padding-bottom: 1.5rem;
}
.index-ad img {
  width: 100%;
}
.idiv a img {
  width: 100%;
}
.case-box .case-li {
  margin-bottom: 0.75rem;
  height: 5.8rem;
  overflow: hidden;
}
.case-box .case-li img {
  max-height: 100%;
}
.hot-li {
  height: 7.8rem;
  overflow: hidden;
}
.hot-li img {
  max-height: 100%;
}
.index_link {
  padding: 0 0 1rem;
}
.index_link .link_tit {
  text-align: center;
  line-height: 0.7rem;
  margin-bottom: 0.5rem;
}
.index_link .link_tit span,
.index_link .link_tit i {
  display: inline-block;
  font-style: normal;
  vertical-align: top;
}
.index_link .link_tit span {
  margin-right: 2px;
  color: #888;
  font-size: 0.5rem;
}
.index_link .link_tit i {
  width: 0.7rem;
  height: 0.7rem;
  background: url(../img/link_2.png) no-repeat center center;
  background-size: 100%;
  border: 1px solid #888;
  margin-left: 2px;
}
.index_link .link_list {
  padding: 0 2rem;
}
.index_link .link_list .link_ul {
  display: none;
  translate: all 0.5s;
}
.index_link .link_list .link_ul a {
  font-size: 0.4rem;
  padding: 0 0.2rem;
  margin-bottom: 0.1rem;
}
.index_link.open .link_tit i {
  background-image: url(../img/link_1.png);
}
.index_link.open .link_ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}