Nano Banana 提示词作品

{
  "task": "Generate a photorealistic vertical seated portrait",
  "aspect_ratio": "3:4",
  "subject": {
    "age": "adult woman, 24-32",
    "pose": "seated diagonally on a carved black wooden chair, body turned right, face back toward camera, both arms raised behind head, elbows wide, one leg across front of chair, the other bent right"
  },
  "appearance": {
    "face": "elongated proportions, subtly lifted eyes, defined lips, calm languid self-assured expression",
    "hair": "natural black or very deep cool brown-black, smooth at crown, heavy long hair falling along left side, sleek satin texture",
    "skin": "light fair complexion with neutral beige and subtle peach-pink undertones, natural pores and believable texture"
  },
  "styling": {
    "makeup": "soft matte complexion, refined brows, elongated upward black eyeliner, muted gray-brown eyeshadow, restrained contour, low-saturation rose-bean lipstick",
    "top": "fitted sleeveless champagne-gray or pale cool mauve top with fine silver fibers and small metallic points",
    "skirt": "high-waisted satin midi skirt in dusty blush or muted gray rose with rich folds",
    "jewelry": "long silver or crystal drop earrings, delicate metallic necklace with tiny pendant",
    "shoes": "silver strappy high-heeled sandals"
  },
  "scene": {
    "location": "dim private dining room or vintage lounge",
    "background": "aged parchment-brown mural or textile screen with white cranes, bamboo or reeds, glossy black wooden borders, dark wall panels, deep vermilion glow on right"
  },
  "camera": {
    "style": "early-2000s compact digital camera nightlife photo",
    "lens": "28-40mm equivalent",
    "angle": "slightly below face, chest or waist height",
    "framing": "vertical three-quarter-to-full-body, subject fills most of frame"
  },
  "lighting": {
    "type": "hard direct on-camera flash",
    "direction": "close to lens axis, slightly left",
    "effect": "bright subject, underexposed background, hard-edged shadows, low-light grain, mild JPEG compression"
  },
  "materials": {
    "chair": "heavy carved black wooden chair with dark floral textile cushion",
    "fabric": "satin folds with silver-pink highlights and muted gray-violet shadows"
  },
  "constraints": {
    "avoid": [
      "underage appearance",
      "phone selfie",
      "mirror reflection",
      "extra arms",
      "extra fingers",
      "deformed hands",
      "broken joints",
      "exaggerated bust",
      "extreme tiny waist",
      "explicit exposure",
      "wardrobe malfunction",
      "miniskirt",
      "plastic skin",
      "waxy face",
      "bright white studio",
      "even soft lighting",
      "blue rim light",
      "heavy HDR",
      "oversharpening",
      "noise-free commercial editorial",
      "anime",
      "obvious 3D render"
    ]
  }
}