Nano Banana 提示词作品

{
  "photo_type": "Cinematic winter portrait (ultra-realistic human with stylized companion)",

  "subject": {
    "description": "A real human woman in a snowy outdoor environment, photographed like a high-end cinematic winter shoot",
    "gender": "Female",
    "pose_description": "Standing upright on snow, body slightly angled, left arm raised outward with palm open, right arm relaxed, natural elegant posture",
    "expression": "Soft calm expression with slight relaxed smile"
  },

  "face": {
    "description": "Use uploaded reference image. Keep face 100% identical with real human texture",
    "extra_realism": [
      "visible pores",
      "subtle asymmetry",
      "natural lip texture",
      "cold redness on cheeks"
    ]
  },

  "hair": {
    "color": "Golden blonde blended with icy white highlights",
    "style": "Thick voluminous side braid",
    "details": [
      "full dense braid",
      "loose front strands",
      "flyaways",
      "natural uneven thickness"
    ],
    "physics": "natural wind interaction, not uniform"
  },

  "clothing": {
    "type": "Light blue flowing gown",
    "fabric_realism": [
      "fine textile detail",
      "semi-transparent layers",
      "natural folds",
      "light scattering"
    ],
    "physics": [
      "gravity-based draping",
      "wind movement",
      "imperfect edges"
    ]
  },

  "companion_character": {
    "type": "Stylized semi-real snowman",

    "style_balance": "70% real, 30% cartoon",

    "structure": [
      "three stacked snow spheres with slightly rounded cartoon proportions",
      "smooth but still textured snow surface",
      "slightly exaggerated head size for personality"
    ],

    "face": {
      "eyes": "coal eyes but slightly larger and more expressive than real",
      "nose": "carrot nose slightly stylized in shape",
      "mouth": "coal smile with cleaner alignment than real but not perfect"
    },

    "body_details": [
      "twig arms with gentle curves (slightly stylized)",
      "coal buttons evenly spaced",
      "subtle smoothness but still snow texture visible"
    ],

    "material_behavior": [
      "light reflects like real snow",
      "edges slightly softened for friendly look",
      "no plastic or glossy finish"
    ],

    "position": "standing beside the woman, angled slightly toward her, friendly presence"
  },

  "environment": {
    "setting": "Real snowy outdoor location",

    "details": [
      "uneven snow surface",
      "footprints",
      "falling snow particles",
      "light atmospheric haze"
    ],

    "interaction": [
      "snow bounce light on subject",
      "small snow particles on dress and hair"
    ]
  },

  "lighting": {
    "type": "Natural winter daylight",

    "setup": [
      "overcast sky soft light",
      "strong snow bounce fill",
      "subtle rim light separation"
    ],

    "effects": [
      "soft light wrap",
      "natural highlights",
      "no artificial glow"
    ],

    "color_temperature": "cool daylight 6200K"
  },

  "camera": {
    "type": "Full-frame DSLR",
    "lens": "85mm",
    "aperture": "f/2.0",
    "iso": "ISO 125",
    "shutter_speed": "1/500s",
    "focus": "sharp on subject and snowman, soft falloff background"
  },

  "imperfections": {
    "add": [
      "fine grain",
      "slight noise in shadows",
      "hair movement",
      "non-perfect symmetry"
    ]
  },

  "color_grading": {
    "style": "cinematic natural realism",
    "rules": [
      "no heavy filters",
      "balanced skin tones",
      "cool shadows",
      "natural highlights"
    ]
  },

  "resolution_and_aspect_ratio": "8K, 9:16",

  "strict_rules": {
    "must_have": [
      "real human subject",
      "semi-stylized snowman",
      "balanced realism and character feel",
      "natural lighting",
      "no plastic textures"
    ],

    "avoid": [
      "fully cartoon snowman",
      "fully realistic boring snowman",
      "CGI shine",
      "over-smoothing"
    ]
  },

  "final_director_notes": "The woman must look completely real. The snowman should feel like a live-action character adaptation, slightly stylized but grounded in real materials. The balance between realism and character design is critical."
}