逼真的健身生活方式肖像（图像到图像）

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_fitness_lifestyle_portrait",
      "language": "en",
      "priority": "highest",
      "version": "v1.0_POWDER_BLUE_GYM_HEADPHONES"
    },

    "input": {
      "mode": "image_to_image",
      "reference_image_usage": "very_high",
      "preserve_identity": true,
      "preserve_facial_features": true,
      "preserve_pose": true
    },

    "output_settings": {
      "aspect_ratio": "{argument name="aspect ratio" default="1:1"}",
      "orientation": "square",
      "resolution_target": "ultra_high_res",
      "num_images": 1,
      "render_style": "ultra_photoreal_fitness_lifestyle",
      "sharpness": "clean_natural_crisp",
      "grain": "none",
      "color_grade": "soft_clean_modern",
      "dynamic_range": "natural_not_hdr",
      "skin_rendering": "real_texture_no_retouch"
    },

    "scene": {
      "environment": "modern gym floor with minimal workout equipment",
      "lighting": "soft clean indoor gym lighting with natural highlights on skin and fabric, no harsh flash",
      "mood": "fresh, calm, feminine, modern fitness lifestyle"
    },

    "subject": {
      "description": "same elegant athletic woman from the reference, realistic facial proportions, soft peaceful expression",
      "skin": "natural luminous skin texture",
      "hair": "sleek dark hair pulled back neatly, same styling as the reference",
      "makeup": "minimal clean beauty makeup, soft natural glow, subtle lashes, natural pink-nude lips",
      "expression": "eyes closed, gentle soft smile, relaxed post-workout calm"
    },

    "wardrobe": {
      "outfit": "light powder blue fitted athletic set",
      "top": "light powder blue sports bra with smooth matte fabric and thin straps",
      "bottom": "matching light powder blue high-waisted leggings in matte performance fabric",
      "fabric": "soft matte athletic material, sculpting but realistic, no latex shine"
    },

    "accessories": {
      "headphones": "light blue Apple-style over-ear headphones with sleek matte finish",
      "mat": "matching light blue workout mat with matte texture",
      "equipment": "single dumbbell on the mat, realistic gym accessory"
    },

    "pose": {
      "position": "lying on the workout mat in the same pose as the reference",
      "details": "one arm lifted naturally toward the camera, one arm relaxed beside the body, torso slightly angled, calm post-workout pose",
      "anatomy": "perfect shoulders, arms, hands, torso, waist, and legs with realistic proportions"
    },

    "camera": {
      "lens": "35mm lifestyle overhead shot",
      "angle": "top-down selfie-like angle",
      "framing": "upper body and waist emphasized, workout mat and dumbbell visible",
      "focus_priority": "face, headphones, outfit texture, and natural body lines"
    },

    "quality_control": {
      "identity_consistency": "maximum",
      "anatomy_accuracy": "maximum",