黃金時段亮片比基尼自拍

```json
{
  "reference_target": "absolute_visual_replication",
  "subject_identity": {
    "demographics": "女性，約 20-25 歲",
    "ethnicity": "模糊 / 多種族（棕褐色膚色）",
    "hair": {
      "color": "深棕色 / 黑色",
      "texture": "波浪狀，鬆散捲髮",
      "style": "中分，髮絲垂落過肩，略顯凌亂 / 自然感",
      "length": "過肩長度"
    },
    "facial_features": {
      "eyes": "杏仁眼形，榛色 / 棕色，上睫毛線濃密",
      "eyebrows": "有形狀，整齊，深色，略微上揚",
      "lips": "豐滿，飽滿，中性玫瑰藕色調，略微嘟起",
      "nose": "鼻樑挺直，鼻尖精緻",
      "skin_texture": "光滑，棕褐色，額頭和顴骨因油脂 / 汗水或化妝品而略帶光澤"
    }
  },
  "pose_geometry": {
    "type": "自拍 / 伸臂近距離拍攝",
    "skeleton_state": {
      "spine": "挺直，胸椎略微向觀看者左側旋轉",
      "neck": "自然長度，無拉長",
      "head": "略微向主體右側傾斜，略微向鏡頭旋轉",
      "shoulders": {
        "right_shoulder": "向前推並抬高（握持相機）",
        "left_shoulder": "放鬆，下垂，略微向後收縮"
      },
      "arms": {
        "right_arm": "向前伸向鏡頭（超出畫面）",
        "left_arm": "垂直垂於身體側面，手肘不可見"
      }
    },
    "camera_relative_angles": {
      "eye_contact": "直視鏡頭",
      "face_angle": "正面，略微向觀看者左側偏轉",
      "torso_angle": "向觀看者左側旋轉約 15 度"
    }
  },
  "attire_and_materials": {
    "garment": "比基尼上衣",
    "material": "{argument name=\"bikini material\" default=\"淺藍色亮片 / 小圓片\"}",
    "construction": "三角杯款式，細吊帶採用同色淺藍色面料",
    "fit": "緊身，貼合身體曲線，肩帶在肩膀處略微勒入皮膚",
    "texture_detail": "可見單個圓形亮片，反光表面，杯底面料有褶皺"
  },
  "lighting_physics": {
    "condition": "直接低角度太陽光照（黃金時段背景）",
    "source_direction": "來自主體右前方（觀看者左側）",
    "shadow_behavior": {
      "cast_shadows": "主體的硬陰影投射到後方牆壁上（觀看者右側）",
      "self_shadows": "主體左肩（觀看者右側）有深陰影，由頭部 / 頭髮遮擋光線造成",
      "contrast": "受光皮膚與陰影區域之間對比度高"
    },
    "highlights": "額頭、鼻尖、下巴和胸部有鏡面高光；亮片反射出強烈的白色光點"
  },
  "environment_context": {
    "setting": "室內臥室",
    "background_elements": {
      "wall": "白色油漆木板牆 / 護牆板",
      "bed": "右側可見，米色 / 棕褐色羽絨被，有褶皺紋理",
      "doorframe": ""
    }
  }
}
```