Nano Banana 提示词作品

{
  "image_generation_prompt": {
    "subject": {
      "description": "Young woman posing in front of the Colosseum in Rome, Use uploaded reference image, keep identity exact",
      "identity_lock": "strict — preserve exact face, eyes, nose, lips, proportions, no alteration",
      "pose": "standing near a railing, body slightly angled, one hand resting on the railing, shoulders relaxed",
      "expression": "soft gentle smile, slightly tilted head, relaxed and confident",
      "body": "natural proportions, upright posture with slight lean",
      "hands": "one hand lightly gripping railing, other relaxed by side"
    },
    "hair": {
      "description": "Use uploaded reference image, keep identity exact — medium to long brown hair",
      "style": "soft natural waves, slightly lifted by breeze",
      "details": "fine strands visible, natural shine, subtle movement"
    },
    "face": {
      "description": "Use uploaded reference image, keep identity exact",
      "skin": "natural skin texture with visible pores, slight sun glow, no smoothing",
      "details": "soft highlights on cheeks and nose, natural lip texture, realistic under-eye detail"
    },
    "attire": {
      "clothing": "light pink summer dress with thin straps",
      "fabric": "lightweight airy fabric with subtle folds and movement",
      "fit": "loose and flowy, natural draping",
      "accessories": "minimal jewelry, delicate necklace"
    },
    "environment": {
      "setting": "Rome, Italy — Colosseum viewpoint",
      "background": "Colosseum clearly visible, large historic stone structure with arches",
      "details": "tourists walking below, street and crosswalk visible, city activity",
      "depth": "strong depth perspective with subject in foreground and landmark behind"
    },
    "lighting_and_mood": {
      "lighting": "bright natural daylight",
      "direction": "front-side sunlight illuminating face and dress",
      "effects": "clean highlights, soft shadows, realistic sunlight exposure",
      "mood": "tourist, summer, relaxed travel vibe"
    },
    "photography": {
      "camera": "smartphone camera (iPhone-style realism)",
      "lens": "24–28mm equivalent",
      "aperture": "f/2.0",
      "focus": "sharp on subject, slightly softer background",
      "depth_of_field": "moderate",
      "imperfections": "slight HDR effect, natural exposure balance, mild highlight clipping in sky"
    },
    "composition": {
      "framing": "medium-full portrait",
      "angle": "eye-level",
      "crop": "subject centered with landmark filling upper frame",
      "style": "Instagram travel photo"
    },
    "quality": {
      "resolution": "ultra high",
      "realism": "extreme photorealism",
      "details": "high micro-detail in skin, hair, and stone textures"
    },
    "negative_prompt": [
      "identity change",
      "face distortion",
      "different hair color",
      "plastic skin",
      "over-smoothing",
      "blurry",
      "low resolution",
      "extra limbs",
      "deformed hands",
      "bad perspective",
      "watermark",
      "text",
      "logo"
    ]
  }
}