Street Graffiti Portrait Generator Prompt (JSON Format)

{
  "task_description": "Create a natural street portrait of a real person standing in front of a layered, messy graffiti wall. The wall features a spontaneous, hand-painted caricature of the person.",
  "global_settings": {
    "aspect_ratio": "4:3",
    "camera_view": "Front-on or slight 15-degree angle; avoid extreme perspective distortion; eye-level shot",
    "overall_vibe": "Authentic urban street culture, raw, energetic, and candid"
  },
  "variables": {
    "mural_main_text": "{argument name="涂鸦主文本" default="月入百万"}",
    "mural_secondary_text": "{argument name="涂鸦副文本" default="2026"}",
    "theme": "{argument name="主题" default="New Year Festive"}",
    "style_pool": ["New Year Festive", "Cyberpunk Underground", "Vintage Republican", "Traditional Zen"]
  },
  "mural_aesthetics": {
    "rendering_style": "Hand-painted aerosol art, not a digital print",
    "messiness_factors": [
      "Visible paint splatters and spontaneous drips",
      "Soft, blurred spray edges (no sharp digital outlines)",
      "Layered effect: the main portrait is painted over faint, messy background tags and scribbles",
      "Imperfect symmetry to enhance the 'freehand' look"
    ],
    "content": "A vibrant caricature based on the reference person's facial features and joyful expression, integrated into the chaotic beauty of the street wall."
  },
  "style_scenarios": {
    "New_Year_Festive": {
      "setting": "An old city street during dusk",
      "palette": "Dominant deep reds and gold, contrasted with the reference image's colors",
      "details": "Faint lanterns in the distance, festive graffiti tags"
    },
    "Cyberpunk_Underground": {
      "setting": "A dimly lit pedestrian tunnel with wet floors",
      "palette": "Neon blue and violet, mixed with the reference image's color tones",
      "details": "Exposed wires on the wall, industrial textures"
    },
    "Vintage_Republican": {
      "setting": "A historic brick alleyway (Lilong)",
      "palette": "Muted earth tones, sepia, and charcoal",
      "details": "Old wooden window frames, textured grey bricks"
    },
    "Traditional_Zen": {
      "setting": "A quiet courtyard with a stone wall",
      "palette": "Ink black, sage green, and white-wash",
      "details": "Subtle bamboo shadows, weathered limestone texture"
    }
  },
  "foreground_subject": {
    "logic": "Mirror the gender and facial features of the reference image.",
    "attire_strategy": "Inherit the dominant color palette from the reference photo's clothing. For example, if the reference is wearing a black T-shirt, generate a stylish, theme-appropriate outfit in black or dark tones (e.g., a black techwear jacket for Cyberpunk theme).",
    "position": "Grounded in the bottom right corner, waist-up or three-quarter view.",
    "pose_randomization": [
      "Casually leaning back against the wall",
      "One hand adjusting ha