Nano Banana 提示词作品

{
  "style": "ultra photorealistic bathroom mirror selfie",
  "aspect_ratio": "9:16",
  "resolution": "8k RAW",

  "reference_rules": {
    "use_reference_face": true,
    "preserve_face_exactly": true,
    "keep_hair_color_same": true,
    "do_not_change_eye_color": true
  },

  "composition": {
    "camera_type": "mirror selfie",
    "framing": "mid-body vertical portrait",
    "angle": "slightly angled phone, natural handheld framing",
    "mirror_details": "water droplets and light fog on glass surface"
  },

  "subject": {
    "pose": {
      "position": "standing in front of mirror",
      "right_hand": "holding smartphone at chest level",
      "left_hand": "lightly gripping towel near chest",
      "torso": "slightly turned to one side",
      "head": "tilted slightly downward"
    },

    "expression": {
      "type": "soft neutral expression",
      "lips": "relaxed, slightly parted",
      "eyes": "focused on phone screen, calm gaze"
    },

    "appearance": {
      "skin": {
        "texture": "real skin with moisture droplets",
        "effect": "post-shower damp glow",
        "details": "tiny water droplets on shoulders and collarbone"
      },

      "hair": {
        "style": "wet hair",
        "structure": "slightly messy, clumped strands",
        "placement": "falling around face and shoulders",
        "color": "same as reference image"
      },

      "eyes": {
        "color": "same as reference image"
      }
    },

    "clothing": {
      "towel": {
        "type": "white bath towel wrap",
        "texture": "thick cotton with visible fibers",
        "fit": "wrapped tightly around chest",
        "details": "natural folds and slight tension from grip"
      }
    }
  },

  "environment": {
    "setting": "modern bathroom",

    "foreground": [
      "mirror surface with water droplets",
      "slight condensation fog"
    ],

    "midground": [
      "glass shower enclosure",
      "wet tiled walls"
    ],

    "background": [
      "wooden stool with folded towels",
      "minimal bathroom accessories"
    ]
  },

  "lighting": {
    "type": "soft indoor natural lighting",

    "source": "diffused overhead + window bounce",

    "direction": "front-facing soft light with slight side fill",

    "quality": {
      "shadows": "very soft minimal shadows",
      "highlights": "gentle highlights on wet skin",
      "contrast": "low to medium, soft look"
    },

    "color_temperature": "neutral indoor daylight (4800K–5200K)",

    "realism_effects": [
      "soft reflections on wet skin",
      "subtle shine on hair strands",
      "realistic mirror reflection with slight imperfections",
      "light diffusion through moisture on glass"
    ]
  },

  "camera": {
    "device": "smartphone (iPhone style)",
    "lens": "26mm equivalent",
    "aperture": "f/1.8",
    "focus": "sharp on face and upper body",
    "depth": "slight blur in background",

    "exposure": {
      "balanced_skin_tones": true,
      "no_overexposure": true,
      "retain_texture_detail": true
    }
  },

  "color_processing": {
    "style": "clean neutral tones",
    "skin": "natural soft warm tone",
    "whites": "true white, not blown out",
    "overall": "minimal color grading"
  },

  "realism_constraints": {
    "must_have": [
      "accurate mirror reflection geometry",
      "natural water droplets on skin and glass",
      "real towel texture",
      "subtle imperfections in reflection"
    ],

    "avoid": [
      "perfect mirror clarity",
      "plastic skin",
      "over-sharpening",
      "AI artifacts",
      "fake lighting"
    ]
  }
}