.case_banner img {
  display: block;
  max-width: 100%;
  height: auto;
}
.container_case {
  position: relative;
}
.container_case .container_case_bg {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  z-index: -1;
}

.container_case .case_info {
}
.case-group {
  display: block;
  color: #fff;
  margin: 52px 0;
  justify-content: space-around;
  font-size: 18px;
  font-family: Microsoft YaHei;
}
.case_info .case-group-item {
  position: relative;
  cursor: pointer;
  display: flex;
  height: 42px;
  line-height: 42px;
  border-radius: 2px;
  padding: 0 33px;
  align-items: center;
}
.case_info .case-group-item img {
  width: 24px;
  height: 24px;
  margin-right: 14px;
}
.content_item {
  width: 100%;
  background-color: rgba(2, 10, 34, 0.6);
  min-height: 588px;
  padding: 30px 54px 30px 30px;
  box-sizing: border-box;
  margin-bottom: 100px;
}

.content_item .content_item_img {
  width: 50%;
}
.content_item .content_item_img img {
  width: 100%;
}
.content_item_word {
  font-family: Microsoft YaHei;
  font-size: 14px;
  color: #ffffff;
  flex: 1;
}
.content_item_word_title {
  font-size: 24px;
  margin: 20px 0 40px;
}
.content_word_banner {
  display: flex;
}
.content_word_banner_item {
  display: flex;
  align-items: center;
  margin-right: 64px;
}
.content_word_banner_item_img {
  width: 26px;
  height: 26px;
  margin-right: 12px;
}
.content_word_middle {
  margin: 60px 0 50px;
  width: 134px;
}
.content_word_middle img {
  width: 100%;
}
.content_word_info {
  line-height: 28px;
  margin-bottom: 20px;
}
.case_selected {
  background-color: #1b2160;
  color: #00ddff;
}
.content_info {
  width: 100%;
}
@media (min-width: 992px) {
  .case-group {
    display: flex;
  }
  .content_item {
    display: flex;
  }
  .content_item_word {
    margin-left: 54px;
  }
}