Nano Banana 提示词作品

{
  "image_generation_prompt": {
    "subject": {
      "description": "Young woman sitting at an outdoor street-side restaurant eating pizza, Use uploaded reference image, keep identity exact",
      "identity_lock": "strict — preserve exact facial structure, eyes, lips, nose, and proportions",
      "pose": "seated at a small table, holding a slice of pizza in one hand raised near face, leaning slightly forward toward camera",
      "expression": "playful wink with slight kissy lips, candid and expressive",
      "body": "natural proportions, relaxed posture, shoulders slightly forward",
      "hands": "one hand holding pizza slice with melted cheese stretch, other hand relaxed near table"
    },
    "hair": {
      "description": "Use uploaded reference image, keep identity exact — long dark brown hair",
      "style": "natural loose hair, slightly voluminous with realistic strands",
      "details": "fine strands visible, subtle frizz, natural shine, no artificial smoothing"
    },
    "face": {
      "description": "Use uploaded reference image, keep identity exact",
      "skin": "natural skin texture with visible pores, slight imperfections, no smoothing",
      "details": "realistic under-eye texture, natural lip texture, subtle shine on nose and cheeks"
    },
    "attire": {
      "clothing": "simple strapless or thin-strap top in muted tone",
      "fabric": "soft fitted fabric with realistic stretch and folds",
      "accessories": "minimal jewelry such as thin bracelet and necklace"
    },
    "food_details": {
      "item": "margherita pizza",
      "details": "crispy charred crust, melted mozzarella cheese stretching from slice, visible tomato sauce and basil",
      "plate": "white ceramic plate with partial pizza remaining"
    },
    "environment": {
      "setting": "narrow European street with restaurants and shops",
      "background": "stone street, storefront windows, signs, chairs and tables, subtle people in distance",
      "details": "urban alley atmosphere, depth with perspective lines"
    },
    "lighting_and_mood": {
      "lighting": "natural daylight with slight shade from buildings",
      "direction": "soft frontal light with mild contrast",
      "effects": "realistic shadows, slight highlights on skin and food, balanced exposure",
      "mood": "fun, candid, travel lifestyle moment"
    },
    "photography": {
      "camera": "smartphone camera (iPhone-style realism)",
      "lens": "26mm equivalent",
      "aperture": "f/1.8",
      "focus": "sharp on subject and pizza, slightly blurred background",
      "depth_of_field": "moderate",
      "imperfections": "slight HDR effect, natural noise, minor motion softness in background"
    },
    "composition": {
      "framing": "medium close-up",
      "angle": "eye-level slightly close perspective",
      "crop": "upper torso and table visible",
      "style": "Instagram candid food/travel shot"
    },
    "quality": {
      "resolution": "ultra high",
      "realism": "extreme photorealism",
      "details": "high micro-detail in skin, hair, and food textures"
    },
    "negative_prompt": [
      "identity change",
      "different hair color",
      "plastic skin",
      "over-smoothing",
      "blurry face",
      "low resolution",
      "extra fingers",
      "deformed hands",
      "bad food texture",
      "cartoon style",
      "watermark",
      "text",
      "logo"
    ]
  }
}