Nano Banana 提示词作品

{
  "image_generation_prompt": {
    "subject": {
      "description": "tight close-up top-down shot of four women sitting on luxury sports cars, focusing on faces, 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": "group seated close-up",
        "body_position": "only upper bodies and faces visible due to close crop",
        "arrangement": "four subjects positioned closely side-by-side on car hoods",
        "head": "all heads tilted upward toward camera",
        "expression_direction": "all subjects looking directly up at camera with clear smiling expressions"
      }
    },
    "face_details": {
      "instruction": "Use uploaded reference image, keep identity exact",
      "expression": "bright, friendly smiles",
      "skin": "clean, evenly lit with realistic texture",
      "eyes": "sharp, detailed, clearly visible looking upward",
      "clarity": "faces must be extremely sharp, high detail, no blur",
      "imperfections": "natural skin detail preserved, no over-smoothing"
    },
    "hair": {
      "instruction": "Preserve hairstyle exactly",
      "style": "natural hairstyles",
      "details": "controlled so faces remain fully visible"
    },
    "makeup": {
      "style": "clean natural glam for clarity",
      "skin": "even tone with soft glow",
      "eyes": "defined for visibility",
      "lips": "soft pink/nude"
    },
    "clothing": {
      "style": "casual modern outfits",
      "visibility": "only upper portion visible due to close framing"
    },
    "vehicles": {
      "types": "luxury sports cars",
      "visibility": "only small portions of car hoods visible beneath subjects"
    },
    "environment": {
      "setting": "foggy outdoor environment",
      "background": "minimal and blurred due to close-up framing",
      "atmosphere": "soft fog but not affecting facial clarity"
    },
    "lighting": {
      "type": "soft overhead diffused light",
      "quality": "even illumination across all faces",
      "effect": "no harsh shadows, faces clearly visible",
      "priority": "perfect facial exposure and clarity"
    },
    "camera": {
      "type": "top-down close-up photography",
      "lens": "50mm",
      "zoom": "tight zoom-in on faces",
      "angle": "directly above (90-degree top-down angle)",
      "focus": "all faces in sharp focus",
      "depth_of_field": "shallow background blur, faces fully sharp"
    },
    "composition": {
      "style": "tight symmetrical portrait",
      "framing": "close crop focusing primarily on faces and expressions",
      "depth": "minimal background distraction"
    },
    "quality": {
      "resolution": "ultra high",
      "rendering": "photorealistic",
      "details": "extreme facial detail, sharp eyes, natural skin texture"
    },
    "negative_prompt": [
      "different faces",
      "identity change",
      "blurred faces",
      "out of focus",
      "faces in shadow",
      "low quality",
      "distorted anatomy",
      "extra limbs",
      "cartoon style",
      "text",
      "watermark"
    ]
  }
}