Nano Banana 提示词作品

{
  "image_generation_prompt": {
    "subject": {
      "description": "woman in an orange prison jumpsuit being escorted by a police officer near a police transport van, Use uploaded reference image, keep identity exact",
      "identity_lock": "STRICT — Use uploaded reference image, keep identity exact. Preserve face, hair, eyes, proportions. Do not alter identity.",
      "pose": {
        "type": "detained walking pose",
        "body_position": "standing slightly turned with hands cuffed in front",
        "legs": "one leg slightly forward as if being guided",
        "arms": "both hands restrained together in handcuffs extended slightly forward",
        "head": "turned slightly to the side looking off-camera"
      }
    },
    "face_details": {
      "instruction": "Use uploaded reference image, keep identity exact",
      "expression": "serious, slightly tense expression",
      "skin": "natural texture with sunlight highlights",
      "eyes": "looking to the side, not directly at camera",
      "clarity": "face must be sharp and highly detailed"
    },
    "hair": {
      "instruction": "Preserve hairstyle exactly",
      "style": "long wavy brown hair",
      "details": "natural flow with slight movement"
    },
    "clothing": {
      "outfit": "orange prison jumpsuit",
      "details": "loose fit, realistic fabric folds and seams"
    },
    "props": {
      "handcuffs": "metal handcuffs connecting both wrists",
      "police_officer": "officer in dark uniform holding the chain of handcuffs",
      "details": "officer slightly turned, not the main focus"
    },
    "environment": {
      "setting": "outdoor police transport area",
      "background": "white police van with barred windows and markings",
      "details": "urban street environment"
    },
    "lighting": {
      "type": "natural sunlight",
      "quality": "strong directional daylight",
      "effect": "clear shadows and highlights",
      "imperfections": "slight harshness from sun"
    },
    "camera": {
      "type": "street photography",
      "lens": "50mm",
      "angle": "slightly angled eye-level",
      "focus": "sharp focus on subject, slight background blur",
      "depth": "moderate depth of field",
      "imperfections": "natural grain and slight motion feel"
    },
    "composition": {
      "style": "cinematic candid shot",
      "framing": "mid to full body shot",
      "balance": "subject slightly off-center with police van behind"
    },
    "quality": {
      "resolution": "high",
      "rendering": "photorealistic",
      "details": "realistic textures on skin, clothing, and vehicle"
    },
    "negative_prompt": [
      "different face",
      "identity change",
      "blurry face",
      "low quality",
      "distorted anatomy",
      "extra limbs",
      "cartoon",
      "cgi look",
      "oversmoothed skin",
      "text",
      "watermark"
    ]
  }
}