金色时段网球场比基尼人像

```json
{
  "image_prompt_structure": {
    "subject": {
      "demographics": "年轻女性，约 20-25 岁，白种人",
      "body_type": "健美、运动型、苗条身材，腹部线条清晰可见",
      "skin": {
        "tone": "白皙至浅棕褐色，晒后肤色",
        "texture": "自然肤质，毛孔可见，阳光下略带光泽，逼真的皮肤阴影",
        "details": "肩膀和大腿有柔和的自然高光，脸颊略带红晕"
      },
      "facial_features": {
        "expression": "柔和、放松的微笑，自信而随意，直视镜头",
        "eyes": "浅蓝灰色，自然睫毛，直视，阳光下略微眯眼",
        "nose": "小巧的翘鼻，鼻梁挺直",
        "lips": "自然粉色，柔软质感，闭口微笑",
        "cheeks": "高颧骨，红润/晒红的肤色",
        "makeup": "极简/自然妆容，‘素颜’妆风格"
      },
      "hair": {
        "style": "高马尾辫，用发圈固定",
        "color": "金色，阳光漂白的高光",
        "texture": "直发但略显凌乱，风吹乱的碎发，不修边幅的休闲造型"
      }
    },
    "attire": {
      "type": "系带比基尼",
      "pattern": "{argument name=\"bikini pattern\" default=\"粉白扎染/大理石纹\"}",
      "details": "三角比基尼上衣，侧系带比基尼下装，细绳，臀部可见打结"
    },
    "accessories": {
      "jewelry": "金链项链，小金圈耳环"
    },
    "pose_and_action": {
      "posture": "跪在地上，身体略微前倾",
      "hands": "双手叠放在网球拍柄上",
      "orientation": "身体正面朝向，头部略微侧倾"
    },
    "props": {
      "item": "网球拍",
      "color": "粉黑拍框，白色握把胶带",
      "position": "垂直放置，拍头触地，拍柄朝上支撑主体的手"
    },
    "environment": {
      "location": "室外网球场",
      "ground_surface": "绿色硬地球场表面，带有白色边界线，左下角可见栗色/红色界外区域",
      "background": "附着在铁丝网上的绿色挡风网，围栏上方可见高大的松树，透过缝隙可见晴朗的蓝天"
    },
    "lighting": {
      "type": "自然阳光，黄金时段",
      "direction": "右侧侧光/前光",
      "shadows": "主体在绿色球场左侧投下清晰的阴影，球拍网格的阴影清晰可见"
    },
    "technical_specs": {
      "camera_angle": "平视到略高角度",
      "focus": "主体清晰对焦，背景略微柔和",
      "aspect_ratio": "3:4 (肖像)",
      "style": "照片写实，随性的社交媒体美学，高清晰度"
    }
  }
}
```