Nano Banana 提示词作品

{
  "advanced_visual_analysis": {
    "portrait_type": "vintage feminine beauty portrait",
    "photographic_era_feel": "1950s-1970s classic studio portrait aesthetic",
    "image_quality": {
      "resolution_style": "older scanned photograph",
      "sharpness": "moderately sharp facial features",
      "microcontrast": "soft",
      "clarity": "medium",
      "grain_structure": "fine film grain",
      "tonal_compression": "slightly compressed highlights"
    }
  },

  "facial_structure": {
    "face_shape": {
      "primary": "heart-shaped",
      "secondary": "oval",
      "chin": "small tapered chin",
      "jawline": "soft feminine jawline"
    },

    "forehead": {
      "height": "medium",
      "width": "balanced",
      "visibility": "partially concealed by hair"
    },

    "eyes": {
      "size": "very large",
      "shape": "almond with rounded lower eyelids",
      "tilt": "slightly upturned outer corners",
      "spacing": "average",
      "iris_visibility": "high",
      "upper_lashes": "dramatically emphasized",
      "lower_lashes": "lightly visible",
      "catchlights": "small soft reflections",
      "expression": "thoughtful and self-aware"
    },

    "eyebrows": {
      "density": "thick",
      "shape": "high arch",
      "tail": "elongated",
      "grooming": "carefully shaped",
      "style": "classic glamorous brows"
    },

    "nose": {
      "bridge": "narrow",
      "length": "short to medium",
      "tip": "rounded delicate tip",
      "nostrils": "small and refined"
    },

    "lips": {
      "volume": "full",
      "upper_lip": "well-defined cupid's bow",
      "lower_lip": "pronounced fullness",
      "corners": "slightly lifted",
      "finish": "soft satin appearance"
    },

    "cheekbones": {
      "height": "high",
      "definition": "moderate",
      "softness": "feminine and rounded"
    }
  },

  "hair_analysis": {
    "color": "jet black",
    "length": "very long",
    "density": "high volume",
    "texture": "silky smooth",

    "hairline": {
      "shape": "symmetrical",
      "center_part": true
    },

    "front_curls": {
      "presence": true,
      "style": "two sculpted ringlets",
      "placement": "one curl on each side of face",
      "curl_type": "defined spiral curls",
      "purpose": "face framing"
    },

    "main_hair_mass": {
      "flow": "straight vertical fall",
      "appearance": "dark curtain effect",
      "coverage": "surrounding shoulders and sides"
    }
  },

  "veil_and_fabric": {
    "type": "dark veil or shawl",

    "fabric_behavior": {
      "weight": "lightweight",
      "drape": "smooth flowing folds",
      "surface": "matte",
      "opacity": "high"
    },

    "framing_effect": {
      "function": "creates natural vignette around face",
      "shape": "triangular framing structure"
    }
  },

  "pose_analysis": {
    "head_rotation": "approximately 30 degrees",
    "shoulder_position": "angled away from camera",
    "gaze_direction": "toward mirror",

    "hand_gesture": {
      "action": "touching eyelashes",
      "fingers": "delicate placement",
      "gesture_type": "beauty preparation gesture"
    }
  },

  "mirror_details": {
    "presence": true,
    "position": "lower left foreground",

    "focus": {
      "sharpness": "heavily blurred",
      "role": "depth creation"
    },

    "shape": "round handheld mirror",
    "visual_importance": "secondary storytelling element"
  },

  "lighting_breakdown": {
    "style": "classic portrait lighting",

    "key_light": {
      "position": "front left",
      "quality": "soft",
      "size": "large light source"
    },

    "shadow_behavior": {
      "hardness": "soft",
      "depth": "moderate",
      "edge_transition": "smooth"
    },

    "face_modeling": {
      "emphasis": "eyes and lips",
      "three_dimensionality": "subtle"
    }
  },

  "background_analysis": {
    "focus": "out of focus",
    "detail_level": "minimal",

    "visible_elements": [
      "textured wall",
      "architectural pattern"
    ],

    "purpose": "maintain attention on subject"
  },

  "black_and_white_treatment": {
    "style": "silver gelatin inspired",

    "tonal_distribution": {
      "deep_blacks": "hair and veil",
      "midtones": "majority of facial rendering",
      "highlights": "eyes, forehead, cheeks"
    },

    "contrast_curve": {
      "highlights": "soft roll-off",
      "shadows": "rich but not crushed"
    }
  },

  "cinematic_keywords": [
    "timeless beauty",
    "classic actress portrait",
    "vintage elegance",
    "mirror ritual",
    "old cinema glamour",
    "soft monochrome",
    "romantic mystery",
    "traditional femininity",
    "quiet introspection",
    "silver screen aesthetic"
  ],

  "generation_prompt_expanded": {
    "subject": "young woman with heart-shaped face, large almond eyes, dramatic lashes, arched brows, delicate nose, full lips and exceptionally long jet-black hair",
    "hair": "center-parted hair with symmetrical spiral ringlets framing both sides of the face, remaining hair flowing smoothly like a dark curtain",
    "clothing": "dark matte veil draped elegantly over head and shoulders with subtle embroidered garments beneath",
    "pose": "three-quarter profile while looking into a round mirror, fingertips delicately touching eyelashes",
    "lighting": "soft classic studio portrait lighting, smooth shadow transitions, luminous eyes and lips",
    "camera": "vintage portrait photography, shallow depth of field, foreground mirror blur, medium telephoto lens",
    "composition": "tight beauty portrait, mirror occupying lower foreground, face framed by veil and flowing hair",
    "grading": "rich monochrome black-and-white film aesthetic, deep blacks, luminous midtones, subtle grain",
    "atmosphere": "timeless elegance, nostalgic glamour, old-world femininity, classic cinema beauty"
  }
}