影棚席地坐姿时尚写真肖像

{
  "type": "photorealistic_studio_fashion_floor_pose_full_body",
  "scene": {
    "location": "专业摄影棚",
    "floor": {
      "type": "平滑哑光摄影棚地面",
      "color": "中性灰",
      "surface_behavior": "具有细腻微质感的无反光表面",
      "shadow_interaction": "腿部和高跟鞋下方柔和的接触阴影"
    },
    "background": {
      "type": "无缝摄影棚背景布",
      "color": "中度中性灰",
      "gradient_behavior": "从上到下微妙的垂直色调衰减",
      "texture": "平滑、简洁、极简"
    },
    "lighting": {
      "setup": "双灯摄影棚布光配置",
      "key_light": {
        "position": "左前方约35°水平角与25°仰角",
        "modifier": "大型柔光箱",
        "effect": "在面部和躯干上塑造柔和的立体感，带有平缓的高光衰减"
      },
      "fill_light": {
        "position": "右前方低强度",
        "ratio": "相对于主光约1:2",
        "effect": "受控的柔和阴影，不压平轮廓"
      },
      "rim_light": {
        "optional_subtle_edge": "低强度后侧轮廓光，勾勒头发与肩膀线条"
      }
    }
  },
  "subject": {
    "description": "[安雅·泰勒-乔伊]（Anya Taylor Joy），身着优雅合身的定制西装长裤套装，真实解剖结构，自然比例",
    "skin": {
      "tone": "均匀自然肤色",
      "texture_detail": "无人工磨皮的细腻皮肤纹理",
      "highlight_behavior": "颧骨、锁骨和手部的柔和高光反射"
    },
    "face_lock": {
      "visibility": "完全清晰可见",
      "expression": "从容、自信、优雅",
      "gaze_direction": "直视相机镜头",
      "head_alignment": "中性垂直轴微倾斜（约4°）"
    },
    "hair": {
      "style": "顺滑且控制蓬松度的发型",
      "behavior": "自然散落在肩头，带有轮廓光的微弱提亮"
    }
  },
  "precise_pose_geometry": {
    "base_position": "直接坐在影棚地面上",
    "pelvis": {
      "tilt": "轻微后倾（约8°）",
      "rotation": "相对于相机平面旋转约20°",
      "weight_distribution": "主要受力点在左臀及大腿后侧"
    },
    "torso": {
      "inclination": "直立并略微后仰（约6°）",
      "spinal_curve": "保持自然的腰椎曲线",
      "shoulder_alignment": "右肩略向前（约5°）"
    },
    "head": {
      "tilt": "轻微侧倾（约4°）",
      "rotation": "向主光方向转动约10–15°",
      "chin_position": "略微收下巴（约3°）以勾勒下颌线条"
    },
    "arm_position": {
      "left_arm": {
        "elbow_flexion": "肘部弯曲约100°",
        "placement": "前臂轻搭在弯曲的膝盖上",
        "hand_pose": "佩戴金色手镯，手指放松伸展"
      }
    }
  }
}