新黑色都市夜景人像（面部保留）

{
  "image_generation": {
    "identity_requirements": {
      "face": {
        "preserve_original": true,
        "exact_match": true,
        "description": "Precisely maintain the subject’s original facial structure, proportions, and recognizable identity from the reference image."
      },
      "hair": {
        "preserve_original": true,
        "exact_match": true,
        "description": "Reproduce the subject’s hairstyle exactly as seen in the reference image — same length, parting, texture, and flow."
      }
    },

    "setting": {
      "location": "gritty neon-lit urban alleyway",
      "background": {
        "elements": [
          "harsh overhead alley light",
          "textured brick walls",
          "soft urban haze",
          "scattered pavement details"
        ],
        "description": "A moody, cinematic alley illuminated by a single bright overhead lamp, casting dramatic shadows and atmospheric glow."
      }
    },

    "scene": {
      "environment": {
        "type": "noir-inspired urban nightscape",
        "description": "The subject is placed in a dim, atmospheric alleyway with muted colors, soft haze, and glowing light bloom."
      },
      "effects": {
        "light_bloom": "strong glow from the overhead lamp creating a dreamy, diffused halo",
        "film_grain": "soft vintage grain giving a cinematic analog-film feel",
        "ambient_smoke": "thin wisps drifting through frame for added mood"
      }
    },

    "subject": {
      "pose": {
        "body_position": "crouching low near the alley wall, weight shifted slightly to one side",
        "hand_positions": {
          "right_hand": "holding a cigarette loosely near the ground",
          "left_hand": "resting relaxed or placed naturally for balance"
        },
        "camera_direction": "She faces the camera with a calm, cool, slightly defiant expression."
      },

      "clothing": {
        "outerwear": "dark leather or faux-leather jacket with subtle shine",
        "footwear": "dark boots appropriate for a street-style look",
        "details": "Realistic texture with specular highlights catching the alley lighting."
      },

      "expression": "moody, confident, slightly distant — a soft, cinematic stare."
    },

    "camera": {
      "aspect_ratio": "9:16 portrait",
      "style": "moody cinematic photography with shallow depth of field and analog-film aesthetics",
      "lighting": {
        "type": "harsh overhead alley light with soft ambient spill",
        "effects": [
          "glow and bloom around bright sources",
          "soft side shadows shaping the face",
          "slight greenish-teal urban tint"
        ]
      }
    },

    "aesthetic": {
      "mood": "gritty, atmospheric, intimate, cinematic",
      "style": [
        "neo-noir realism",
        "moody film-photography look",
        "urban night portraiture"
      ]
    }
  }
}