.upload-box {
  border: 2px dashed #28a745;
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  max-width: 400px;
}

.upload-trigger {
  display: inline-block;
  width: 48px;
  height: 48px;
  background: #fff;
  border: 1px dashed #aaa;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.upload-trigger i {
  font-size: 22px;
  color: #555;
}

.preview-img {
  margin-top: 10px;
  max-width: 100%;
  max-height: 200px;
  border-radius: 6px;
}