超逼真冬季美妆广告产品替换

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_beauty_product_reference_edit",
      "version": "v1.3_WINTER_BEAUTY_BAGEL_LABS_VISIBLE_TEXT",
      "priority": "highest"
    },
    "references": {
      "reference_image_1": {
        "source": "UPLOAD_IMAGE (REQUIRED)",
        "purpose": "COMPOSITION + IDENTITY + LIGHTING + ENVIRONMENT",
        "strict_lock": true,
        "lock_strength": "max",
        "no_layout_drift": true,
        "no_pose_drift": true,
        "preserve_framing": true,
        "preserve_expression": true,
        "preserve_eye_direction": true,
        "preserve_lighting_mood": true,
        "preserve_color_tone": true,
        "preserve_skin_details": true,
        "preserve_background": true,
        "preserve_hand_position": true,
        "preserve_wardrobe": true
      }
    },
    "output_settings": {
      "aspect_ratio": "match_reference",
      "orientation": "match_reference",
      "resolution": "ultra_high_res",
      "render_style": "ultra_photoreal_beauty_advertising",
      "sharpness": "crisp_but_natural",
      "film_grain": "none_or_minimal",
      "color_grade": "clean_true_to_life_cool_winter",
      "retouch_level": "editorial_minimal_keep_texture",
      "noise_reduction": "low"
    },
    "hard_constraints": [
      "ONE female subject only.",
      "Maintain the existing pose, framing, lighting, snowy alpine background, and falling snow.",
      "Modify only the cosmetic product in her hand.",
      "The brand name 'Bagel Labs' must be clearly readable on the product.",
      "Natural skin texture must remain visible.",
      "No watermark."
    ],
    "creative_prompt": {
      "scene_summary": "Create a luxury winter beauty advertising image in a bright snowy alpine environment with falling snow and a clear blue sky. The model wears a white fluffy fur hat and a white knitted sweater. She laughs joyfully with her head slightly tilted back, eyes looking upward. Her long wavy brunette hair frames her face, with visible natural freckles, radiant winter skin, glossy lips, and bold white graphic eyeliner accents.\n\nProduct feature:\n- Replace the cosmetic item in her hand with a premium Bagel Labs lipstick.\n- Packaging: translucent pink body filled with fine shimmering micro-glitter.\n- Accents: sleek brushed silver metallic cap with clean reflections.\n- Branding: the text 'Bagel Labs' is printed clearly and sharply on the tube in a modern sans-serif font, high contrast and easy to read.\n\nProduct realism:\n- Correct scale relative to fingers.\n- Realistic contact shadows between the product and hand.\n- Specular highlights consistent with snowy daylight.\n\nOverall aesthetic:\n- Ultra-photorealistic, high-end beauty advertising.\n- Crisp focus, editorial lighting, premium modern luxury mood."
    },
    "negative_prompt": [
      "unreadable brand text",
      "misspelled logo"
    ]
  }
}