圖像提示詞

Promo Effect v2.0 個人資料截圖構圖提示

這是 Nano Banana Pro 的「Promo Effect v2.0」功能的一個技術提示結構，旨在將角色圖像合成到用戶的個人資料截圖上。該提示強制執行特定規則，例如確保「追蹤」按鈕文字存在、保持背景結構，並定義角色的姿勢（坐著，指向帳戶名稱和「追蹤」按鈕）。此提示高度專門用於 UI 操作和圖像合成。

提示詞

```json
{
  "edit_type": "precise_composite_overlay_dual_interaction_english_ui",

  "source": {
    "_hint": "基本邏輯：角色坐在背景上。背景是固定的，除了按鈕上的特定文字。",
    "mode": "IMAGE_COMPOSITION",
    "reference_images": {
      "foreground": "character_ref_image",
      "background_canvas": "profile_page_screenshot"
    },
    "consistency": {
      "character_fidelity": "high",
      "background_structure": "rigid_layout_preservation"
    }
  },

  "ui_text_enforcement": {
    "_hint": "關鍵：確保按鈕文字顯示為英文的「Follow」，無論原始截圖中的文字為何。",
    "target_element": "action_button_top_right",
    "mandatory_text": "Follow",
    "language": "English",
    "font_style": "sans_serif_bold_legible",
    "correction_policy": "overwrite_original_text_if_not_follow"
  },

  "background_preservation": {
    "_hint": "背景是堅固的平面。只允許更改陰影和按鈕文字。",
    "policy": "strict_pixel_retention_mostly",
    "allowed_modifications": [
      "realistic_contact_shadows_under_character",
      "replacement_of_button_text_to_Follow"
    ]
  },

  "camera_and_lighting": {
    "_hint": "角色坐在介面上。",
    "perspective": "high_angle_looking_down",
    "grounding_effect": {
      "technique": "contact_shadows_under_legs",
      "placement": "on_background_surface"
    }
  },

  "pose": {
    "_hint": "雙手指向：左手 -> 姓名，右手 -> 「Follow」按鈕。",
    "pose_style": "sitting_cross-legged_or_kneeling",
    "head_position": "tilted_back_looking_at_camera",
    "hands_configuration": {
      "s
```