魔法片场节日幕后自拍

{
  "request_metadata": {
    "task_type": "ultra_photoreal_bts_selfie",
    "aspect_ratio": "16:9"
  },
  "references": {
    "character_reference_image": {
      "slot": 1,
      "purpose": "MAIN_SUBJECT_IDENTITY_LOCK",
      "strict_identity_lock": true
    },
    "support_character_A_reference": {
      "slot": 2,
      "purpose": "HARRY_POTTER_LOOK_LOCK",
      "required": false
    },
    "support_character_B_reference": {
      "slot": 3,
      "purpose": "HERMIONE_GRANGER_LOOK_LOCK",
      "required": false
    }
  },
  "hard_constraints": [
    "恰好3个人物：主参考人物 + [哈利·波特] + [赫敏·格兰杰]，通过标志性服装与造型清晰可辨",
    "沙发自拍姿势，单臂向前伸出对准镜头；手中不可见手机或相机设备",
    "节日主题：三人均佩戴[圣诞帽]，装饰有悬浮蜡烛、复古书籍和星星挂饰的节日树；无任何可读文字或学院院徽",
    "可见幕后拍摄（BTS）器材：吊杆麦克风、电影摄影机轨道机架、演播室灯光、地面电缆及部分边缘摄制组成员"
  ],
  "camera": {
    "camera_body": "ARRI ALEXA Mini LF 风格",
    "lens": "Zeiss Supreme Prime 24mm",
    "aperture": "f/2.8",
    "white_balance": "4300K",
    "lighting": [
      "温暖写实的烛光",
      "柔和的现场薄雾",
      "演播室辅助光"
    ]
  },
  "prompt": {
    "scene_summary": "在魔法学校公共休息室摄影棚内拍摄的超写实幕后（BTS）沙发自拍。主参考人物坐在沙发上，手臂向前伸展摆出自拍姿态（手中无设备），[哈利]与[赫敏]在拍摄间隙凑近镜头自然微笑。温暖的环境光，壁炉火光，无文字的魔法道具散布，画面边缘显露出电影摄制设备。"
  },
  "negative_prompt": [
    "缺失角色",
    "多余人物",
    "出现手机",
    "手握相机",
    "畸形的手",
    "多余手指",
    "面部模糊",
    "水印",
    "可读文本",
    "标志"
  ]
}