Nano Banana 提示词作品

{
  "style": "ultra photorealistic cinematic portrait",
  "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,
    "no_text_elements": true
  },

  "composition": {
    "framing": "upper body portrait centered",
    "camera_angle": "slightly above eye level",
    "crop": "head, shoulders, and upper chest",
    "background": "soft pink upholstered chair filling frame"
  },

  "subject": {
    "pose": {
      "position": "sitting upright in cushioned chair",
      "shoulders": "slightly forward relaxed",
      "head": "tilted slightly downward",
      "gaze": "looking slightly upward toward camera"
    },

    "expression": {
      "type": "serious soft expression",
      "lips": "closed, relaxed",
      "eyes": "focused, slightly intense gaze"
    },

    "appearance": {
      "skin": {
        "texture": "smooth natural skin with subtle detail",
        "finish": "soft matte with gentle highlights"
      },

      "hair": {
        "style": "voluminous soft waves",
        "placement": [
          "framing both sides of face",
          "resting on shoulders",
          "slightly curled ends"
        ],
        "color": "same as reference image",
        "detail": "fine strands visible with soft shine"
      },

      "eyes": {
        "color": "same as reference image",
        "detail": "sharp iris with natural catchlight"
      },

      "makeup": {
        "style": "clean glam",
        "details": [
          "defined lashes",
          "soft pink blush",
          "natural lip color",
          "light contour"
        ]
      }
    },

    "outfit": {
      "type": "off-shoulder knit top",
      "color": "deep pink",
      "details": [
        "ribbed texture",
        "soft fabric folds",
        "exposed shoulders"
      ]
    }
  },

  "environment": {
    "setting": "indoor styled room",

    "background": [
      "pink upholstered chair",
      "floral patterned fabric",
      "soft pastel tones"
    ]
  },

  "lighting": {
    "type": "natural window light",

    "direction": "side lighting from left",

    "quality": {
      "shadows": "soft shadow on one side of face",
      "highlights": "gentle highlights on hair and cheekbones",
      "contrast": "medium soft contrast"
    },

    "color_temperature": "warm daylight (5000K–5500K)",

    "effects": [
      "natural face contour from side light",
      "soft glow on hair",
      "realistic depth from shadow falloff"
    ]
  },

  "camera": {
    "lens": "85mm",
    "aperture": "f/2.0",
    "focus": "sharp on eyes",
    "depth_of_field": "background softly blurred",

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

  "color_processing": {
    "style": "cinematic soft pastel",
    "tones": "warm pink harmony",
    "skin": "natural warm tone",
    "overall": "slightly soft, not oversharp"
  },

  "realism_constraints": {
    "must_have": [
      "real fabric texture on chair",
      "natural skin detail",
      "soft shadow gradient",
      "clean facial detail",
      "realistic hair strands"
    ],

    "avoid": [
      "plastic skin",
      "flat lighting",
      "oversaturated pink",
      "AI artifacts",
      "harsh shadows"
    ]
  }
}