"image type": "studio portrait",

{
  "image_type": "工作室肖像",
  "composition": {
    "framing": "紧凑的头肩近景",
    "camera_angle": "眼平",
    "orientation": "纵向",
    "symmetry": "近乎完美的中心对称",
    "focus": "聚焦在眼睛和面部特征上清晰",
    "depth_of_field": "浅，背景完全模糊为黑色"
  },
  "subject": {
    "description": "中年男性呈现的对象",
    "pose": "正面，直接面对镜头",
    "expression": "平静、自信、凝视",
    "eye_direction": "直视镜头",
    "facial_features": {
      "facial_hair": "短而盐胡胡须与修剪的山羊胡",
      "skin_texture": "可见毛孔与细纹，真实肌肤细节",
      "eyes": "浅色眼睛，亮光点强调"
    },
    "hair": {
      "style": "中等长度，向后梳理",
      "texture": "自然，略有蓬乱",
      "color": "深棕色，带 subtle 灰色高光"
    }
  },
  "wardr

...