.content-empty {
  text-align: center;
  min-height: 484px;
}
.content-empty img {
  width: 139px;
  height: 116px;
  margin-top: 158px;
}
.content-empty .text {
  margin: 60px 0 30px;
  font-size: 20px;
  font-family: PingFang SC;
  font-weight: 400;
  color: #697b8c;
}
.content-empty .text span {
  color: #21a6ff;
}
.content-empty button {
  width: 154px;
  height: 54px;
  background: linear-gradient(0deg, #1a6ef9 0%, #21a6ff 100%);
  border-radius: 27px;
  font-size: 16px;
  color: #fff;
  box-shadow: 0 9px 8px -5px rgba(33,166,255,0.4);
  transition: all 0.5s;
}
.content-empty button:hover {
  background: linear-gradient(0deg, rgba(26,110,249,0.549) 0%, #21a6ff 100%);
}
.it-knowledge {
  display: flex;
  align-items: center;
}
.it-knowledge .left {
  flex: 1;
  margin-right: 110px;
  word-break: break-all;
}
.it-knowledge .left .title {
  display: flex;
  align-items: baseline;
  font-size: 14px;
  font-family: PingFang SC;
  font-weight: 400;
  color: #9a9a9a;
  line-height: 14px;
}
.it-knowledge .left .title .label {
  margin-right: 14px;
}
.it-knowledge .left .code {
  margin: 20px 0 14px;
  font-size: 14px;
  font-family: PingFang SC;
  font-weight: 400;
  color: #e0a540;
  line-height: 20px;
}
.it-knowledge .left .content {
  font-size: 14px;
  font-family: PingFang SC;
  font-weight: 400;
  color: #666;
  line-height: 20px;
}