Nano Banana 提示词作品

{
  "image_generation_prompt": {
    "subject": {
      "description": "Young woman in a high-fashion studio pose, Use uploaded reference image, keep identity exact",
      "identity_lock": "ABSOLUTE — Use uploaded reference image, keep identity exact. Same face, same eyes, same proportions, same bone structure. Do NOT modify identity.",
      "pose": {
        "body_position": "on hands and knees on studio floor",
        "torso": "leaning forward at a low angle, spine slightly arched naturally",
        "hips": "raised slightly above shoulder level, natural alignment (no exaggeration)",
        "legs": "knees bent and resting on floor, lower legs angled backward",
        "arms": {
          "front_arm": "extended forward on floor with relaxed hand and naturally spread fingers",
          "rear_arm": "bent at elbow with hand raised near face"
        },
        "head": "tilted slightly downward and forward toward camera",
        "gaze": "directly at camera, intense editorial look",
        "expression": "soft parted lips, calm controlled expression"
      }
    },
    "hair": {
      "rule": "Use uploaded reference image, keep identity exact",
      "style": "long straight hair falling forward over shoulders and partially onto floor",
      "details": "natural strands visible, slight separation of hair sections, realistic shine, no stylization"
    },
    "face": {
      "rule": "Use uploaded reference image, keep identity exact",
      "eyes": "same eye color from reference image, sharp focus, natural reflections",
      "skin": "realistic skin texture with pores, no smoothing, no beautify",
      "lips": "natural texture, slightly parted, no artificial enhancement"
    },
    "attire": {
      "outfit": {
        "top": "black fitted top with thin straps, matte fabric",
        "bottom": "black short skirt or layered fabric with soft texture (non-transparent, non-explicit)",
        "legs": "sheer black tights with realistic stretch and slight sheen",
        "footwear": "black high heels with glossy finish"
      },
      "accessories": {
        "neck": "thin black choker",
        "wrists": "soft black textured cuffs or fabric accents",
        "headpiece": "subtle black decorative headband (minimal, non-costume exaggerated)"
      },
      "fabric_details": "realistic folds, compression, stretch, and contact shadows"
    },
    "environment": {
      "setting": "professional studio",
      "background": "smooth seamless gradient backdrop (soft purple fading to neutral)",
      "floor": "clean matte studio floor with subtle soft shadow and slight reflection"
    },
    "lighting": {
      "setup": "studio 3-point lighting",
      "key_light": "soft diffused light from front slightly above eye level",
      "fill_light": "low intensity fill to preserve shadows",
      "rim_light": "subtle rim light from behind to separate subject from background",
      "effects": "soft shadow under body, smooth gradient falloff, no harsh contrast"
    },
    "camera": {
      "type": "professional DSLR",
      "lens": "50mm prime",
      "angle": "low front angle aligned with subject’s eye level",
      "aperture": "f/4",
      "focus": "sharp focus on face and front hand",
      "depth_of_field": "moderate — background softly blurred"
    },
    "composition": {
      "framing": "full body within frame",
      "orientation": "horizontal or vertical centered composition",
      "balance": "subject centered with negative space above",
      "style": "high-fashion editorial photography"
    },
    "quality": {
      "resolution": "8k",
      "realism": "extreme photorealism",
      "details": "micro skin texture, fabric fibers, realistic lighting physics"
    },
    "negative_prompt": [
   "identity change",
     "different face",
      "different hair color",
     "different eye color",
     "beautify filter", }