「追蹤」按鈕促銷活動的創意合成圖

```json
{
  "edit_type": "creative_composite_layering",

  "source": {
    "_hint": "基本邏輯：人物（參考圖 1）疊加在背景圖片（參考圖 2）之上。",
    "mode": "EDIT",
    "reference_images": {
      "first": "foreground_character_person",
      "second": "background_scenery_or_pattern"
    },
    "preserve_from_first": {
      "same_person_or_group": true,
      "same_faces": true,
      "same_hairstyles": true,
      "same_outfits": true
    }
  },

  "identity": {
    "keep_identity_consistent": true,
    "expression": "bright_engaging_smile_at_camera"
  },

  "camera_effect": {
    "_hint": "高角度自拍風格，在手和臉之間營造景深感。",
    "perspective": "high_angle_shot_looking_down",
    "style": "social_media_call_to_action",
    "depth_of_field": "focus_on_face_and_pointing_finger",
    "framing": "character_centered_with_space_at_top_right"
  },

  "pose": {
    "_hint": "關鍵動作：躺著，但積極地指向「追蹤」按鈕區域（右上角）。",
    "pose_style": "lying_down_or_reclining_on_back",
    "face_direction": "looking_directly_up_into_lens",
    "hand_gestures": {
      "right_hand_action": "pointing_index_finger",
      "target_direction": "upper_right_corner_45_degrees",
      "purpose": "mimicking_pressing_subscribe_button",
      "arm_position": "extended_towards_camera_top_right"
    },
    "body_language": "inviting_and_energetic",
    "style_tags": [
      "kpop_idol_fan_service",
      "influencer_promo_style",
      "dynamic_perspective"
    ]
  },

  "background_integration": {
    "_hint": "第二張參考圖片是背景/地面。",
    "method": "full_background_replacement",
    "target_area": "entire_canvas_behind_character",
    "content_source": "reference_image_second",
    "perspective_match": "flat_lay_style",
    "rules": {
      "character_must_be_top_layer": true,
      "leave_space_in_upper_right_for_ui": true
    }
  },

  "composition": {
    "_hint": "確保指向的手指引導觀看者的視線到右上角。",
    "visual_flow": "diagonal_line_from_face_to_top_right_corner",
    "focal_points": [
      "character_eyes",
      "pointing_finger_tip"
    ],
    "negative_space": "clear_area_at_top_right_45_degrees"
  },

  "constraints": {
    "no_holding_phone_device": true
  }
}
```