寫實網球選手提示

```json
{
  "image_prompt_structure": {
    "subject": {
      "demographics": "年輕女性，約 20-25 歲，白種人",
      "body_type": "健美、運動型、纖瘦體態，腹部線條明顯",
      "skin": {
        "tone": "白皙至淺古銅色，陽光親吻的膚色",
        "texture": "自然的皮膚紋理，毛孔可見，陽光下略帶光澤，逼真的皮膚陰影",
        "details": "肩膀和大腿有柔和的自然高光，臉頰略帶紅暈"
      },
      "facial_features": {
        "expression": "柔和、放鬆的微笑，自信而隨性，直視鏡頭",
        "eyes": "淺藍灰色，自然睫毛，直視，因陽光而略微瞇眼",
        "nose": "小巧的鈕扣鼻，鼻樑挺直",
        "lips": "自然粉紅色，柔軟質地，閉口微笑",
        "cheeks": "高顴骨，紅潤/陽光曬紅的膚色",
        "makeup": "極簡/自然妝容，「素顏妝」風格"
      },
      "hair": {
        "style": "用髮圈固定的高雙馬尾",
        "color": "金色，陽光漂白的挑染",
        "texture": "直髮但略顯凌亂，被風吹亂的髮絲，不修邊幅的隨性造型"
      }
    },
    "attire": {
      "type": "細繩比基尼",
      "pattern": "{argument name=\"bikini pattern\" default=\"粉白色紮染/大理石紋\"}",
      "details": "三角上衣，側邊繫帶下身，細繩，臀部可見打結"
    },
    "accessories": {
      "jewelry": "金項鍊，小金圈耳環"
    },
    "pose_and_action": {
      "posture": "跪在地上，身體略微前傾",
      "hands": "疊放在網球拍柄上",
      "orientation": "身體面向前方，頭部略微側傾"
    },
    "props": {
      "item": "網球拍",
      "color": "粉色和黑色拍框，白色握把帶",
      "position": "垂直放置，拍頭靠在地上，拍柄朝上支撐著主體的手"
    },
    "environment": {
      "location": "室外網球場",
      "ground_surface": "綠色硬地球場表面，帶有白色邊界線，左下角可見栗色/紅色界外區域",
      "background": "附著在鐵絲網上的綠色擋風網，圍欄上方可見高大的松樹，藍天從中透出",
      "weather": "晴朗，陽光充足"
    },
    "lighting": {
      "type": "自然陽光，黃金時段",
      "direction": "從右側側光/前光",
      "shadows": "主體在左側綠色球場上投下清晰的陰影，球拍網格的陰影清晰可見"
    },
    "technical_specs": {
      "camera_angle": "與視線齊平或略高角度",
      "focus": "主體對焦清晰，背景略微柔和",
      "aspect_ratio": "3:4 (直向)",
      "style": "寫實攝影，隨性社群媒體美學，高畫質"
    }
  }
}
```