超逼真時尚肖像（雪梨·史威尼相似度）

```json
{
  "prompt_specification": {
    "type": "超寫實電影級時尚肖像",
    "subject": {
      "identity": {
        "name": "Sydney Sweeney",
        "constraint_strictness": "100%",
        "directives": [
          "保留與參考圖完全一致的臉部特徵",
          "保留與參考圖完全一致的身體比例",
          "僅保留相同的臉部特徵",
          "不改變臉部",
          "不重塑身體",
          "不進行風格化處理",
          "自然解剖結構必須保持準確"
        ]
      },
      "physical_attributes": {
        "body_type": "身材豐腴、比例自然的女性",
        "skin": {
          "tone": "自然膚色，與參考圖完全一致",
          "texture": "自然皮膚紋理，毛孔清晰可見",
          "highlights": "逼真的高光",
          "negative_constraint": "無塑膠感皮膚"
        },
        "hair": {
          "directive": "與參考圖完全一致",
          "properties": ["顏色", "長度", "質地", "造型"]
        },
        "expression": "自信地對著鏡頭噘嘴"
      },
      "pose_and_action": {
        "stance": "站立，姿勢平衡且符合解剖學",
        "limb_placement": {
          "arm_1": "輕輕放在頸部",
          "arm_2": "搭在大腿上"
        },
        "camera_view": "中低角度，四分之三正面視圖"
      }
    },
    "attire": {
      "garment": {
        "item": "連身泳衣裙",
        "color": "金屬青銅色",
        "cut": ["高衩側邊", "大腿高開衩"],
        "fabric_physics": ["逼真的彈性", "褶皺", "光澤"]
      },
      "details": {
        "chest_piece": {
          "item": "胸部金色胸針細節",
          "note": "僅改變顏色，不改變設計"
        },
        "jewelry": {
          "items": ["金色手鐲", "金色圈形耳環"],
          "properties": ["逼真的金屬反射", "逼真的比例"]
        }
      }
    },
    "environment": {
      "setting_type": "潔淨自然的海岸氛圍",
      "composition_layers": {
        "foreground": "鵝卵石海灘（主體站立於此）",
        "mid_ground": [
          "主體後方的碧綠海水",
          "在傍晚陽光下閃耀的岩石海岸懸崖"
        ],
        "background/horizon": "地平線上遠處的小帆船"
      }
    },
    "photography_style": {
      "aesthetic": ["超細緻寫實主義", "專業編輯級質感", "高端時尚編輯級寫實主義"],
      "quality_metric": "8K RAW 品質",
      "composition_ratio": "垂直 9:16",
      "lighting": {
        "source": "自然日光",
        "time": "溫暖的傍晚",
        "qualities": ["電影級光線平衡", "受控的高光和陰影"]
      },
      "optics_and_focus": {
        "lens_emulation": null
      }
    }
  }
}
```