{
  "schemaVersion": 2,
  "sourceKind": "structured-spec",
  "confidence": "high",
  "slug": "watermark",
  "name": "水印 Watermark",
  "semanticTypeCandidates": [
    "watermark",
    "overlay"
  ],
  "variantDimensions": [
    {
      "name": "content",
      "values": [
        "text",
        "image"
      ]
    },
    {
      "name": "coverage",
      "values": [
        "page",
        "area"
      ]
    }
  ],
  "representativeVariants": [
    {
      "content": "text",
      "coverage": "page",
      "label": "文字水印覆盖整页"
    },
    {
      "content": "text",
      "coverage": "area",
      "label": "文字水印覆盖指定区域"
    },
    {
      "content": "image",
      "coverage": "area",
      "label": "图片水印"
    }
  ],
  "anatomy": {
    "layer": "覆盖整个页面或指定区域，不影响交互",
    "glyph": "默认文字颜色 #BFBFBF，旋转 -22°，间距 100px"
  },
  "structurePatterns": {
    "color": "#BFBFBF",
    "rotate": "-22deg",
    "gap": "100px"
  },
  "usageHints": [
    "用于敏感信息防泄露",
    "可配置文字、图片水印",
    "默认文字颜色 #BFBFBF，旋转 -22°，间距 100px",
    "覆盖整个页面或指定区域，不影响交互"
  ],
  "doNotInvent": [
    "水印的防删除与防篡改机制"
  ],
  "unknowns": [
    "图片水印的默认尺寸与透明度",
    "文字水印的字号默认值"
  ]
}