.not-found .content-main {
  background: linear-gradient(303deg, #dafdf9 42.68%, #fde8e1 73.87%, #ffece6 104.12%);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  height: calc(100vh - 223px);
}
.not-found .content-main .main_desc {
  margin-top: 10px;
  font-size: 16px;
  font-weight: 300;
  color: 1.5;
  line-height: 1.5;
}
.not-found .content-main .main_back-link {
  display: inline-block;
  margin-top: 40px;
  font-size: 20px;
  font-weight: normal;
  color: #017244;
}
@media screen and (max-width: 768px) {
  .not-found .content-main {
    height: 310rem;
    padding: 30px 0 50px;
  }
  .not-found .content-main .content-main_pic {
    width: 240px;
    height: unset;
  }
}