高空抓拍：城市阶梯浪漫

{
  "generation_request": {
    "meta_data": {
      "task_type": "photoreal_candid_city_stairs_romance",
      "language": "en",
      "priority": "highest",
      "version": "v1.0_OVERHEAD_STAIRS_HUG_FLOWERS_BEHIND_BACK"
    },
    "output": {
      "aspect_ratio": "3:4",
      "resolution": "high",
      "num_images": 4
    },
    "scene": {
      "concept": "a quiet romantic moment captured from above on a city staircase",
      "environment": "stone staircase with red-brown masonry wall, vintage iron railing, European urban setting, clean background with architectural texture",
      "composition": "elevated viewpoint looking down, couple centered on the stairs, railing partially in foreground for depth, strong leading lines from steps"
    },
    "subject": {
      "couple": "adult woman and adult man",
      "wardrobe": {
        "woman": "{argument name="woman's coat" default="beige trench coat"}, long dark hair, carrying a light neutral handbag",
        "man": "short-sleeve light shirt under a brown knit sweater vest, dark trousers"
      },
      "prop": "bouquet of {argument name="flower color" default="bright pink"} flowers wrapped in paper, held behind man’s back",
      "pose": "close hug, woman’s arms around his shoulders, calm intimate expression",
      "emotion": "soft, romantic, private moment"
    },
    "camera": {
      "shot": "telephoto candid from elevated angle",
      "lens_mm": 85,
      "aperture": 2.8,
      "focus": "sharp on couple and bouquet; background architecture slightly softened",
      "quality_tags": "ultra-photoreal, crisp textures, natural skin detail"
    },
    "lighting": {
      "style": "soft overcast daylight",
      "notes": "no flash, balanced exposure, preserve stone texture and bouquet color without oversaturation"
    },
    "color_grade": {
      "palette": "muted neutrals brown with a pop of pink flowers",
      "contrast": "gentle documentary contrast",
      "tone": "warm, quiet, romantic"
    },
    "negative_prompt": "text, logo, watermark, blur, lowres, deformed hands, extra fingers, warped stairs, crooked railing, CGI, cartoon, harsh flash, oversaturated colors, heavy artifacts"
  }
}