带有圣诞焦外成像效果的宝丽来情侣自拍写实照片

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "text_to_image_photoreal_polaroid_in_hand_christmas_bokeh",
      "version": "v1.0",
      "priority": "high"
    },
    "output_settings": {
      "aspect_ratio": "9:16",
      "orientation": "portrait",
      "resolution": "ultra_high_res",
      "render_style": "raw_photographic_realism",
      "sharpness": "foreground_sharp_background_soft",
      "film_grain": "subtle",
      "flash": "on"
    },
    "creative_prompt": {
      "scene_summary": "一张在温馨客厅夜晚拍摄的真实手持闪光灯照片：一只涂着亮面红色法式美甲的手，将一张白色拍立得照片举在靠近镜头的位置。背景中，一棵装饰好的圣诞树处于重度失焦状态，带有温暖的金色仙女灯焦外成像和红色装饰品，营造出梦幻的节日氛围。拍立得照片本身清晰对焦，展示了一对可爱的年轻情侣自拍，他们穿着红白相间的圣诞针织毛衣；他们的脸部被拍立得闪光灯柔和地照亮，略带瑕疵且真实（呈现真实的拍立得胶片感）。整体氛围温暖、怀旧且舒适。",
      "composition": {
        "framing": "近景聚焦于宝丽来相框，左下角可见持握的手",
        "depth_of_field": "极浅景深；圣诞树变成巨大的柔和焦外光斑",
        "focus_priority": "宝丽来照片及其白色边框清晰锐利；背景强烈虚化"
      },
      "foreground_details": {
        "hand": "一只手握住宝丽来照片的底边，裸色底美甲配有清晰的红色法式尖端",
        "polaroid": "经典的白色拍立得相纸边框，带有轻微的闪光灯反光，细微的纸张纹理，以及像真实拍立得胶片一样的微小瑕疵"
      },
      "polaroid_photo_content": {
        "subjects": "两名年轻人紧靠在一起进行自拍，穿着红白相间的北欧风圣诞毛衣",
        "expressions": "自然的随性自拍表情，温暖且略带俏皮",
        "lighting": "宝丽来照片内部呈现出直接的机顶闪光灯效果，比外部照片略柔和且分辨率稍低"
      },
      "background": {
        "christmas_tree": "巨大的圣诞树填满背景，温暖的白色串灯，红色装饰品和丝带，强烈的焦外成像",
        "environment": "温馨的室内夜晚环境，柔和的暖色调"
      },
      "camera_notes": {
        "capture_style": "智能手机闪光灯照片（iPhone 风格）",
        "lens_feel": "26mm 等效焦距，近距离对焦",
        "exposure": "前景由闪光灯正确曝光；背景较暗但有发光的焦外成像"
      },
      "quality_rules": [
        "照片级真实感",
        "自然的皮肤纹理（无塑料感磨皮）",
        "逼真的闪光灯反射和眩光",
        "无水印",
        "无额外文字"
      ]
    },
    "negative_prompt": [
      "watermark",
      "lo"
    ]
  }
}