.case-page {
  background-color: #fff;
  padding: 40px 0 80px;
}
.case-page .case-page-container {
  display: flex;
}
.case-page .case-page-container .case-left {
  width: 220px;
  margin-top: -178px;
}
.case-page .case-page-container .case-left .case-cate {
  background-color: #00549d;
  height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px;
  color: #fff;
  position: relative;
  z-index: 1000;
}
.case-page .case-page-container .case-left .case-cate span {
  padding: 5px 0;
  font-size: 20px;
}
.case-page .case-page-container .case-left .case-cate span:nth-child(1) {
  font-size: 24px;
  position: relative;
}
.case-page .case-page-container .case-left .case-cate span:nth-child(1)::after {
  content: '';
  display: block;
  width: 40px;
  border-top: 2px solid #fff;
  position: absolute;
  bottom: 0;
  left: 0;
}
.case-page .case-page-container .case-left .list-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #eee;
  padding: 10px 0;
}
.case-page .case-page-container .case-left .list-nav a {
  font-size: 16px;
  color: #000;
  font-weight: bold;
  padding: 15px 0;
}
.case-page .case-page-container .case-left .list-nav a:hover {
  color: #00549d;
}
.case-page .case-page-container .case-left .list-nav .active {
  color: #00549d;
}
.case-page .case-page-container .case-right {
  flex: 1;
  margin-left: 20px;
  border: 1px solid #eeeeee;
  padding: 0 30px 30px;
}
.case-page .case-page-container .case-right .section-case-list {
  background-color: #fff;
  display: flex;
  flex-wrap: wrap;
}
.case-page .case-page-container .case-right .section-case-list .list-item {
  width: 100%;
  margin-bottom: 30px;
  display: flex;
  padding: 30px 0;
  border-bottom: 1px dashed #eeeeee;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-img {
  position: relative;
  width: 30%;
  margin-bottom: 10px;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-img::before {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  content: '';
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0);
  transition: background-color 0.3s;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-img:hover::before {
  background-color: rgba(0, 0, 0, 0.3);
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-img:hover::after {
  display: block;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-img::after {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  content: '';
  width: 35px;
  height: 35px;
  background-image: url('../images/search.png');
  background-size: cover;
  background-position: center;
  z-index: 1;
  display: none;
  transition: all 0.5s;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-img img {
  width: 100%;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-content {
  flex: 1;
  min-width: 0;
  margin-left: 20px;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-content > span {
  display: flex;
  width: 100%;
  font-size: 16px;
  color: #00549d;
  font-weight: 400;
  justify-content: flex-end;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-content .item-title {
  display: block;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  font-size: 18px;
  color: #434343;
  font-weight: bold;
  margin: 10px 0;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-content .item-title:hover {
  color: #00549d;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-content .item-date {
  font-size: 14px;
  color: #929292;
  margin: 5px 0;
}
.case-page .case-page-container .case-right .section-case-list .list-item .item-content .item-intro {
  display: inline-block;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  font-size: 14px;
  color: #666;
}
@media (max-width: 990px) {
  .case-page {
    background-color: #fff;
    padding: 0px 0 80px;
  }
  .case-page .case-page-container {
    display: flex;
    flex-direction: column;
  }
  .case-page .case-page-container .case-left {
    width: 100%;
    margin-top: 0;
  }
  .case-page .case-page-container .case-left .case-cate {
    background-color: #eee;
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 10px;
    color: #000;
    position: relative;
    z-index: 1000;
    text-align: center;
  }
  .case-page .case-page-container .case-left .case-cate span {
    padding: 5px 0;
    font-size: 20px;
  }
  .case-page .case-page-container .case-left .case-cate span:nth-child(1) {
    font-size: 24px;
    position: relative;
    display: none;
  }
  .case-page .case-page-container .case-left .case-cate span:nth-child(1)::after {
    content: '';
    display: block;
    width: 40px;
    border-top: 2px solid #fff;
    position: absolute;
    bottom: 0;
    left: 0;
  }
  .case-page .case-page-container .case-left .list-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    background-color: #fff;
    padding: 10px 0;
  }
  .case-page .case-page-container .case-left .list-nav a {
    font-size: 16px;
    color: #00549d;
    font-weight: bold;
    padding: 2px 5px;
    border: 1px solid #00549d;
    border-radius: 8px;
    margin-right: 10px;
    margin-bottom: 10px;
  }
  .case-page .case-page-container .case-left .list-nav a:hover {
    color: #00549d;
  }
  .case-page .case-page-container .case-left .list-nav .active {
    color: #00549d;
  }
  .case-page .case-page-container .case-right {
    flex: 1;
    margin-left: 0px;
    border: 1px solid #eeeeee;
    padding: 0 15px 30px;
  }
  .case-page .case-page-container .case-right .section-case-list {
    background-color: #fff;
    display: flex;
    flex-wrap: wrap;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item {
    width: 100%;
    margin-bottom: 30px;
    display: flex;
    padding: 30px 0;
    border-bottom: 1px dashed #eeeeee;
    flex-direction: column;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-img {
    position: relative;
    width: 100%;
    margin-bottom: 10px;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-img::before {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    content: '';
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0);
    transition: background-color 0.3s;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-img:hover::before {
    background-color: rgba(0, 0, 0, 0.3);
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-img:hover::after {
    display: block;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-img::after {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    content: '';
    width: 35px;
    height: 35px;
    background-image: url('../images/search.png');
    background-size: cover;
    background-position: center;
    z-index: 1;
    display: none;
    transition: all 0.5s;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-img img {
    width: 100%;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-content {
    flex: 1;
    min-width: 0;
    margin-left: 0px;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-content > span {
    display: flex;
    width: 100%;
    font-size: 16px;
    color: #00549d;
    font-weight: 400;
    justify-content: flex-end;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-content .item-title {
    display: block;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-size: 18px;
    color: #434343;
    font-weight: bold;
    margin: 10px 0;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-content .item-title:hover {
    color: #00549d;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-content .item-date {
    font-size: 14px;
    color: #929292;
    margin: 5px 0;
  }
  .case-page .case-page-container .case-right .section-case-list .list-item .item-content .item-intro {
    display: inline-block;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    font-size: 14px;
    color: #666;
  }
}