/* 文字水印 */
.wm-preview {
  margin: 12px 0; padding: 12px; min-height: 120px;
  display: flex; align-items: center; justify-content: center;
  background: var(--panel-2, #f7f9fc); border: 1px solid var(--line, #e6e8ef); border-radius: 12px;
  overflow: auto;
}
.wm-preview img { max-width: 100%; height: auto; }