坦率街頭浪漫提示（伊斯坦堡地鐵）

{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "photoreal_candid_street_romance",
      "version": "v2.0_METRO_ENTRANCE_SCARF_FIX_EN",
      "priority": "highest"
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "resolution_target": "ultra_high_res",
      "render_style": "ultra_photoreal_candid_street_film_still",
      "sharpness": "crisp_but_natural",
      "film_grain": "subtle_35mm",
      "color_grade": "restrained_realism_city",
      "dynamic_range": "natural_not_hdr",
      "skin_rendering": "real_texture_no_retouch"
    },
    "global_rules": {
      "camera_language": "35mm lens equivalent, handheld candid framing, documentary feel",
      "lighting_language": "motivated city daylight + subway entrance practicals, no flash",
      "authenticity_markers": "real crowd energy, slight background blur only, no AI glow"
    },
    "creative_prompt": {
      "scene_summary": "{argument name="location" default="Istanbul"} metro entrance on a chilly day. The couple pauses. He fixes her scarf gently. A micro-moment of care in public.",
      "subjects": {
        "count": 2,
        "description": "same couple (early 20s), ordinary, faces visible and sharp",
        "expression": "soft concentration and shy warmth, micro-expressions only",
        "skin_and_face": "real texture, no retouch, slight under-eye shadows"
      },
      "wardrobe_and_props": {
        "clothing": "simple coats/jackets in neutral tones, slightly wrinkled, no logos",
        "props": "a metro card in hand, a backpack strap, no branding"
      },
      "micro_action": "he adjusts her scarf; she looks up for a second; eye contact lingers then breaks naturally",
      "environment_details": {
        "location": "Istanbul metro entrance vibe",
        "background": "stairs down, railings, commuters blurred, city texture, no readable text"
      },
      "composition": "eye-level medium shot, imperfect crop, faces sharp, background receding naturally",
      "mood": "quiet care, unperformed love"
    },
    "negative_prompt": [
      "studio lighting",
      "flash",
      "beauty retouch",
      "plastic skin",
      "model faces",
      "perfect symmetry",
      "HDR",
      "AI glow",
      "text",
      "logo",
      "watermark"
    ]
  }
}

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