图像提示词

Promo Effect v2.0 个人资料截图构图提示

这是 Nano Banana Pro 的“Promo Effect v2.0”功能的技术提示结构，旨在将角色图像合成到用户的个人资料截图中。该提示强制执行特定规则，例如确保“关注”按钮文本存在、保持背景结构，并定义角色的姿势（坐着，指向账户名和“关注”按钮）。此提示高度专注于 UI 操纵和图像合成。

提示词

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

  "source": {
    "_hint": "基本逻辑：人物坐在背景上。背景是固定的，除了按钮上的特定文本。",
    "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": "关键：确保按钮文本显示为英文的“Follow”，无论原始截图中的文本是什么。",
    "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": "背景是坚硬的地面。只允许更改阴影和按钮文本。",
    "policy": "strict_pixel_retention_mostly",
    "allowed_modifications": [
      "realistic_contact_shadows_under_character",
      "replacement_of_button_text_to_Follow"
    ]
  },

  "camera_and_lighting": {
    "_hint": "人物坐在界面上。",
    "perspective": "high_angle_looking_down",
    "grounding_effect": {
      "technique": "contact_shadows_under_legs",
      "placement": "on_background_surface"
    }
  },

  "pose": {
    "_hint": "双重指向：左手 -> 姓名，右手 -> “Follow”按钮。",
    "pose_style": "sitting_cross-legged_or_kneeling",
    "head_position": "tilted_back_looking_at_camera",
    "hands_configuration": {
      "s"
```