{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "text_to_image_photoreal_outdoor_bubble_portrait",
      "version": "v1.0",
      "priority": "high"
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "resolution": "ultra_high_res",
      "render_style": "photorealistic_lifestyle_snapshot",
      "sharpness": "high",
      "film_grain": "subtle_natural"
    },
    "creative_prompt": {
      "scene_summary": "户外生活照，写实抓拍。一位年轻女子正在用一个粉色小泡泡棒吹泡泡。她略微倾向镜头，向上看，表情俏皮。泡泡又大又闪亮（彩虹反光），漂浮在前景和画面右侧。背景是一个郁郁葱葱的绿色花园，有树木、树叶和柔和的景深模糊。自然日光，柔和干净，皮肤纹理和毛孔真实，有轻微雀斑，无美颜滤镜。",
      "subject": {
        "gender": "女性",
        "age": "青年",
        "skin": "自然纹理，轻微雀斑，真实毛孔",
        "hair": "中棕色头发，有刘海/齐眉穗，略显蓬松",
        "expression": "俏皮，吹泡泡时脸颊微鼓，眼睛向上看",
        "accessories": "{argument name=\"earring color\" default=\"bold red\"} 红色醒目耳环",
        "outfit": "黑色露背无袖上衣",
        "hands_props": "粉色泡泡棒靠近嘴唇，另一只手拿着小泡泡水瓶"
      },
      "environment": {
        "location": "绿色后院花园 / 果园般的树木",
        "background": "茂密的树叶，树枝和树叶构成顶部框架，柔和的散景",
        "lighting": "自然日光，柔和高光，无刺眼阴影"
      },
      "camera": {
        "type": "智能手机 / 休闲单反相机效果",
        "angle": "略低于视线水平，带轻微广角感",
        "lens_look": "24–28mm 等效焦距",
        "focus": "脸部清晰锐利，泡泡足够清晰可辨，背景柔和模糊"
      },
      "quality_rules": [
        "写实皮肤（无塑料般光滑感）",
        "自然色彩，真实泡泡折射",
        "无额外人物",
        "无文字，无标志，无水印",
        "手和手指解剖学正确"
      ]
    },
    "negative_prompt": [
      "卡通",
      "动漫",
      "CGI 效果",
      "美颜滤镜",
      "过度平滑的塑料皮肤",
      "文字",
      "标志",
      "水印",
      "额外人物",
      "变形的手",
      "多余的手指",
      "模糊",
      "低分辨率",
      "面部过曝",
      "奇怪的眼睛"
    ]
  }
}