.case-grid-wrapper {
  padding: 0.8rem 0;
  background: #fff;
}

.case-grid {
  display: flex;
  flex-wrap: wrap;
}

.case-grid-item {
  width: calc((100% - 0.81rem) / 4);
  margin-right: 0.27rem;
  margin-bottom: 0.27rem;
  transition: all 0.3s ease;
}

.case-grid-item:nth-child(4n) {
  margin-right: 0;
}

.case-grid-item a {
  display: block;
  text-decoration: none;
}

.case-grid-header {
  background: #f5f5f5;
  padding: 0.2rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.case-grid-item:hover .case-grid-header {
  background: #004b9b;
}

.case-grid-line {
  width: 0.19rem;
  height: 0rem;
  border: 0.04rem solid #707070;
  margin-bottom: 0.1rem;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.case-grid-item:hover .case-grid-line {
  border-color: #ffffff;
}

.case-grid-title {
  font-weight: bold;
  font-size: 0.16rem;
  color: #111111;
  line-height: 0.27rem;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.3s ease;
}

.case-grid-item:hover .case-grid-title {
  color: #ffffff;
}

.case-grid-img {
  width: 100%;
  overflow: hidden;
}

.case-grid-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.case-grid-item:hover .case-grid-img img {
  transform: scale(1.1);
}

@media screen and (max-width: 1024px) {
  .case-grid-item {
    width: 100%;
    margin-right: 0;
    margin-bottom: 0.3rem;
  }

  .case-grid-item:nth-child(4n) {
    margin-right: 0;
  }

  .case-grid-title {
    font-size: 0.26rem;
    line-height: 0.4rem;
  }

  .case-grid-wrapper {
    padding: 0.5rem 0;
  }

  .case-grid-header {
    padding: 0.3rem;
  }
}
@media screen and (max-width: 768px) {
  .case-grid-header {
    padding: 0.59rem 0.47rem;
  }
  .case-grid-line {
    width: 0.38rem;

    border: 0.04rem solid #707070;
    margin-bottom: 0.2rem;
  }
  .case-grid-title {
    font-size: 0.32rem;
    line-height: 0.53rem;
  }
  .case-grid-wrapper {
    padding-bottom: 0.83rem;
  }
}