35毫米纪实胶片街头人像

{
  "generation_request": {
    "meta_data": {
      "task_type": "photoreal_artistic_street_photography",
      "priority": "highest"
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "orientation": "portrait",
      "render_style": "candid_35mm_film_still",
      "sharpness": "crisp_natural",
      "film_grain": "subtle_35mm_grain",
      "color_grade": "restrained_cinematic_realism",
      "dynamic_range": "natural_film_latitude",
      "skin_rendering": "authentic_texture_unretouched"
    },
    "creative_prompt": {
      "scene_summary": "在[东京新宿]实地抓拍的纪实风格街头摄影。未经摆布、真实自然的瞬间，传达真挚的情感。",
      "subject": "一名身穿[旧羊毛大衣和围巾]的[30岁][男性]，动作定格在[走下路沿时回头瞥向身旁]的瞬间。神情自然，保留细微的面部不对称。",
      "camera": "等效35毫米镜头，平视视角，亲近且克制的街拍距离，略带随性的真实构图，焦点对准眼部，浅至中等景深。",
      "lighting": "源自[温暖的商店橱窗与霓虹灯光]的自然现场环境光，阴影深邃且保留细节，无任何影棚补光。",
      "environment_details": "真实的城市质感：斑驳海报、带划痕的金属、微湿的路面、柔和的玻璃倒影、未经刻意清理的街头杂物。",
      "authenticity_markers": "背景经过物体略带动态模糊，高光处有轻微光晕，通体胶片颗粒细腻，皮肤完全未经美颜修饰。",
      "mood": "[忧郁而内省]，具有电影感且毫不矫饰。"
    },
    "negative_prompt": [
      "studio lighting",
      "beauty retouch",
      "airbrushed skin",
      "over-sharpened",
      "HDR halo",
      "AI glow",
      "perfect symmetry",
      "sterile background",
      "artificial bokeh",
      "watermark",
      "illustration",
      "cartoon"
    ]
  }
}