Nano Banana 提示词作品

{
  "image_generation_prompt": {
    "subject": {
      "description": "Young woman standing on a city street leaning against a pole under a one-way sign, Use uploaded reference image, keep identity exact",
      "identity_lock": "STRICT — Use uploaded reference image, keep identity exact. No facial or feature changes.",
      "pose": {
        "body_position": "standing, leaning on pole",
        "torso": "slightly angled",
        "arms": "one hand in pocket, one relaxed",
        "hands": "natural, casual",
        "head": "slightly tilted",
        "gaze": "looking at camera",
        "expression": "neutral, confident"
      }
    },
    "face_details": {
      "instruction": "Use uploaded reference image, keep identity exact",
      "skin": "natural texture, slight variation",
      "eyes": "sharp with daylight reflections",
      "lips": "natural soft finish",
      "imperfections": "subtle asymmetry"
    },
    "hair": {
      "instruction": "Use uploaded reference image, keep identity exact",
      "style": "long straight dark hair",
      "details": "natural strands, slight shine",
      "lighting_interaction": "daylight highlights"
    },
    "attire": {
      "outfit": {
        "top": "white cropped off-shoulder top with text",
        "bottom": "light blue loose jeans",
        "accessories": "black shoulder bag, sunglasses on head, jewelry"
      },
      "fabric_behavior": "natural folds, casual fit",
      "realism": "true fabric texture"
    },
    "body_details": {
      "anatomy": "natural proportions",
      "lighting_effects": "soft daylight shadows",
      "skin_interaction": "subtle light gradients"
    },
    "environment": {
      "setting": "busy urban street corner",
      "background": {
        "elements": "one-way sign, pedestrian signal, buildings, bus, pedestrians",
        "lighting": "bright daylight",
        "depth": "moderately deep"
      }
    },
    "lighting": {
      "type": "natural daylight",
      "direction": "top/front",
      "behavior": "bright with defined shadows",
      "imperfections": "slight harsh highlights",
      "color_temperature": "neutral daylight"
    },
    "camera": {
      "type": "smartphone",
      "lens": "wide angle",
      "angle": "slightly low",
      "distance": "full-body",
      "focus": "sharp",
      "depth_of_field": "deep",
      "imperfections": "minor noise"
    },
    "composition": {
      "framing": "vertical full-body",
      "balance": "subject centered with urban context",
      "realism": "candid street style"
    },
    "quality": {
      "resolution": "high",
      "detail": "realistic textures",
      "rendering": "photorealistic"
    },
    "consistency_controls": {
      "guidance_scale": 7.5,
      "steps": 35
    },
    "negative_prompt": [
      "altered identity",
      "beautified skin",
      "cgi look",
      "cartoon",
      "extra limbs",
      "deformed face",
      "blurry",
      "low quality",
      "watermark",
      "text"
    ]
  }
}