Nano Banana 提示词作品

{
  "image_generation_prompt": {
    "style": "ultra realistic photography",
    "quality": {
      "resolution": "8192x8192",
      "render_quality": "HDR",
      "detail_level": "extreme",
      "sharpness": "ultra high",
      "dynamic_range": "high",
      "texture_detail": "skin pores, fine hair strands, natural skin texture"
    },

    "subject": {
      "type": "portrait",
      "gender": "female",
      "age_range": "mid 20s",
      "ethnicity": "ambiguous mixed european-asian",
      "skin_tone": "light warm tone with natural freckles",
      "expression": "confident calm expression",
      "pose": {
        "head_position": "slightly tilted",
        "gaze_direction": "looking sideways",
        "hand_position": "fingers touching chin",
        "shoulders": "relaxed"
      }
    },

    "appearance": {
      "hair": {
        "color": "warm brown",
        "style": "long loose waves",
        "parting": "side part",
        "texture": "soft glossy natural volume"
      },

      "face_features": {
        "eyebrows": "well defined natural shape",
        "eyes": "almond shaped",
        "eyelashes": "long curled",
        "makeup": {
          "foundation": "natural skin finish",
          "eyeliner": "subtle winged liner",
          "blush": "soft peach tone",
          "lips": "matte rose nude lipstick"
        }
      },

      "skin_details": [
        "natural freckles",
        "realistic pores",
        "soft natural highlights"
      ]
    },

    "clothing": {
      "type": "silk dress",
      "color": "olive green",
      "style": "thin strap slip dress",
      "fabric_properties": [
        "silk sheen",
        "soft folds",
        "realistic fabric reflections"
      ]
    },

    "accessories": {
      "earrings": "small gold earrings",
      "ring": "gold textured ring",
      "bracelet": "thin gold bracelet"
    },

    "lighting": {
      "type": "studio soft lighting",
      "setup": "large softbox key light with gentle fill",
      "direction": "45 degree front side",
      "temperature": "warm neutral",
      "effects": [
        "soft skin highlights",
        "natural shadows",
        "subtle rim light on hair"
      ]
    },

    "camera": {
      "camera_type": "full frame DSLR",
      "lens": "85mm portrait lens",
      "aperture": "f/1.8",
      "iso": 100,
      "shutter_speed": "1/160",
      "focus": "sharp focus on eyes",
      "depth_of_field": "shallow background blur"
    },

    "composition": {
      "framing": "close-up portrait",
      "crop": "head and upper torso",
      "rule_of_thirds": true,
      "background": {
        "type": "minimal studio background",
        "color": "soft beige",
        "texture": "smooth matte"
      }
    },

    "render_engine": {
      "photorealism_level": "extreme",
      "global_illumination": true,
      "subsurface_scattering": true,
      "ray_tracing": true,
      "color_grading": "cinematic natural tones"
    },

    "post_processing": {
      "hdr_tone_mapping": true,
      "micro_contrast": "high",
      "skin_retention": "natural",
      "noise_reduction": "minimal"
    }
  }
}