Nano Banana 提示词作品

{
  "type": "image_generation_prompt",
  "style": "photorealistic, street fashion aesthetic, clean minimal tones",
  "aspect_ratio": "9:16",
  "resolution": "high resolution",
  "identity_preservation": {
    "use_uploaded_reference": true,
    "strict_identity_lock": true,
    "face": "must exactly match reference",
    "hair": "keep identical hairstyle, hairline, texture, and color with zero variation",
    "notes": "Do not modify, enhance, stylize, or alter facial structure, proportions, or skin tone"
  },
  "subject": {
    "gender": "female",
    "description": "young woman standing on concrete ground",
    "pose": {
      "body_position": "upright with slightly compressed posture",
      "shoulders": "slightly forward",
      "arms": "close to body",
      "hands": "held together in front near waist",
      "feet": "placed close together",
      "body_direction": "facing forward"
    },
    "head": {
      "tilt": "tilted upward toward camera",
      "neck": "slightly extended",
      "chin": "slightly raised"
    },
    "expression": "neutral, calm"
  },
  "outfit": {
    "top": "beige oversized hoodie with natural folds and draping",
    "pants": "loose casual pants (partially visible)",
    "shoes": "casual sneakers"
  },
  "accessories": [
    "white rectangular sunglasses worn on face"
  ],
  "environment": {
    "ground": "concrete surface (urban/parking area)",
    "markings": "yellow painted lines forming geometric shapes",
    "details": [
      "drain grate near feet",
      "minimal background distractions"
    ]
  },
  "composition": {
    "camera_angle": "high-angle top-down (almost overhead with slight tilt)",
    "framing": "tight framing from head to lower legs",
    "subject_position": "centered within geometric lines",
    "orientation": "vertical only"
  },
  "camera": {
    "lens": "35mm",
    "distortion": "none",
    "focus": "sharp across subject and ground"
  },
  "lighting": {
    "type": "natural daylight",
    "shadows": "soft",
    "exposure": "even across subject and environment"
  },
  "details": {
    "textures": [
      "clear concrete texture",
      "sharp painted line edges",
      "realistic hoodie fabric folds",
      "clean reflections on sunglasses"
    ]
  },
  "constraints": [
    "do not change face",
    "do not change hairstyle",
    "maintain upward head tilt",
    "keep hands together in front",
    "preserve yellow ground markings",
    "strict 9:16 portrait orientation",
    "no landscape or square output"
  ],
  "output_goal": "Create a photorealistic high-angle portrait of a young woman with exact identity preservation, standing on a concrete surface with yellow geometric lines, styled in minimalist street fashion."
}