Nano Banana 提示词作品

{
  "scene": {
    "type": "window portrait travel shot",
    "location": "Duomo di Milano, Milan, Italy",
    "environment": "elevated indoor viewpoint overlooking city square, clear blue sky, busy plaza with tourists and historic architecture"
  },
  "subject": {
    "type": "young woman posing by window",
    "pose": "standing close to window frame, one hand resting on ledge, other hand holding towel across chest, body slightly angled toward camera",
    "expression": "neutral confident expression, direct eye contact, relaxed face",
    "face": "Use uploaded reference image, keep identity exact, natural facial proportions, no alteration, preserve skin texture with subtle imperfections and realistic lighting",
    "hair": "Use uploaded reference image, keep identity exact, straight hair style, use reference image for hair color",
    "clothing": "purple towel wrapped around body, minimal coverage, natural fabric folds",
    "accessories": "thin necklace, rings, bracelet"
  },
  "composition": {
    "framing": "subject centered in foreground framed by window, cathedral fully visible in background",
    "perspective": "slightly elevated straight-on angle, balanced depth between subject and background",
    "focus": "sharp focus on subject and background, high clarity across entire image",
    "background_elements": "Duomo di Milano cathedral detailed and sharp, busy square with people, surrounding historic buildings"
  },
  "lighting": {
    "type": "natural daylight with enhanced realism",
    "direction": "front-facing soft sunlight evenly illuminating subject and background",
    "quality": "balanced exposure, soft shadows, controlled highlights",
    "details": "sky rendered vibrant blue, improved dynamic range to avoid blown highlights, subtle skin highlights, realistic shadows, background remains clear and detailed"
  },
  "camera": {
    "type": "smartphone or mirrorless camera",
    "angle": "eye-level shot",
    "lens": "standard wide lens",
    "depth_of_field": "deep depth of field keeping both subject and background sharp",
    "imperfections": "slight natural grain, minor lens softness at edges, realistic tonal variation"
  },
  "style": {
    "aesthetic": "high-end realistic travel portrait",
    "color_tone": "clean natural tones with enhanced blue sky and warm skin balance",
    "post_processing": "light cinematic filter, clarity enhancement, contrast balancing, subtle sharpening, no overprocessing, realistic finish"
  }
}