城市街头摄影提示（JSON 结构）

{
  "image_generation": {
    "subject": {
      "description": "young woman walking alone on a city sidewalk",
      "pose": "holding a takeaway coffee cup in one hand and a small paper bag in the other, arm slightly extended as if filming herself",
      "expression": "calm, thoughtful, slightly introspective",
      "gaze": "looking downward"
    },
    "appearance": {
      "hair": {
        "color": "dark brown",
        "style": "messy bun with loose strands"
      },
      "face": {
        "skin_tone": "fair with natural complexion",
        "makeup": "minimal, natural makeup"
      },
      "accessories": [
        "silver over-ear headphones"
      ]
    },
    "outfit": {
      "top": "white collared shirt layered with beige sweater vest",
      "outerwear": "{argument name="jacket color" default="brown"} leather jacket",
      "bottom": "blue denim jeans",
      "footwear": "casual sneakers"
    },
    "environment": {
      "setting": "urban residential street",
      "background_elements": [
        "red brick apartment buildings",
        "black iron railings",
        "sidewalk scaffolding",
        "city pathway"
      ],
      "weather": "overcast"
    },
    "props": {
      "drink": "white takeaway coffee cup with lid",
      "bag": "small brown paper bag"
    },
    "lighting": {
      "type": "natural daylight",
      "direction": "overhead ambient light",
      "quality": "soft and diffused"
    },
    "camera": {
      "angle": "slightly high angle, selfie-style",
      "framing": "medium shot",
      "lens": "28mm wide-angle",
      "depth_of_field": "moderate, background slightly blurred"
    },
    "aesthetic": {
      "style": "urban lifestyle photography",
      "vibe": "cozy, candid, cinematic street mood",
      "color_palette": "earthy tones, browns, muted reds, neutral grays"
    },
    "quality": {
      "realism": "highly realistic",
      "resolution": "high resolution",
      "look": "editorial street-style photograph"
    }
  }
}