.sidebar {
  width: 158px;
  float: left;
  margin-right: 0;
  padding-right: 0;
  margin-left: 15px;
}

.mt-60 {
  margin-top: 60px;
}

.sidebar .is-checked {
  border-bottom: 2px solid #4064C8;
  width: 50px;
  color: #4064C8;
}

.case-nav-li {
  cursor: pointer;
  user-select: none;
  margin-bottom: 50px;
  height: 40px;
  font-size: 22px;
  color: #333333;
  line-height: 29px;
  text-align: left;
  font-style: normal;
}

.content {
  float: left;
  overflow: hidden;
  margin-right: 15px;
}

.case-item {
  display: flex;
  margin-bottom: 40px;
}

.case-item:hover {
  text-decoration: none;
}

.case-item .item-img {
  width: 276px;
  height: 152px;
  border-radius: 4px;
}

.left-news {
  margin-left: 26px;
  width: 740px;
}

.case-item .news-title {
  height: 28px;
  margin-top: 6px;
  font-weight: bold;
  font-size: 20px;
  color: #333333;
  line-height: 28px;
  text-align: justify;
  font-style: normal;
}

.case-item .news-content {
  margin-top: 16px;
  height: 96px;
  font-size: 16px;
  color: #333333;
  line-height: 30px;
  text-align: justify;
  font-style: normal;
  word-break: break-all;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.search-box {
  float: right;
  margin-bottom: 20px;
}

.search-box .input-group {
  margin-top: 5px;
  width: 328px;
  height: 48px;
}

.search-box .input-group .form-control {
  border-radius: 24px;
  height: 48px;
  font-size: 16px;
}

.input-group-btn {
  z-index: 199;
  position: absolute;
  right: 16px;
  top: 7px;
}

.input-group-btn .search-img {
  width: 34px;
  height: 34px;
}

.search-box .btn {
  background: none;
  border: none;
  padding: 0;
  color: #aaa;
}