吉祥物坐在操作系统窗口边框上

os_environment:
  - Choose one: "Windows 11 style desktop" or "macOS Sonoma style desktop"
  - If not specified, let the model choose the most natural OS UI
  - Use authentic UI elements based on the selected OS

subject:
  - A character based on reference image A
  - Rendered with semi-3D, anime-style shading
  - Clear solid shadows and highlights defining volume
  - Appears as a desktop mascot overlay interacting with real OS UI

composition:
  - A realistic computer desktop in 16:9 aspect ratio
  - Include authentic-looking application windows and icons
  - Character positioned naturally on or around these UI elements

action:
  - Allow the model to freely choose mascot-like behaviors such as:
    - lying across the top edge of a window
    - sitting on a window frame
    - touching, inspecting, or reacting to icons
    - peeking from behind folders or apps
  - Actions should feel physically grounded and slightly playful

location:
  - Displayed on a real OS-style desktop (Windows/macOS)
  - Show recognizable UI elements (e.g., Chrome window, folder icons, taskbar/dock)
  - Icons and windows appear authentic but used only as background elements

style:
  - Semi-3D anime shading (soft cel-shaded look)
  - Defined shadows instead of rim lighting
  - Clean digital rendering that blends naturally with real desktop UI

camera_lighting:
  - Neutral frontal or top lighting to create solid, directional shadows
  - Soft ambient light to keep color harmony with the desktop
  - Screenshot-like straight-on camera angle

colors:
  - Desktop in cool OS-like tones
  - Character colors follow reference A accurately
  - Shadows emphasized for 3D volume

text:
  - None unless needed

edit_instructions:
  - Use reference A for character accuracy
  - Emphasize 3D-like volume with clear shadow planes
  - Ensure the character appears layered above real desktop UI elements
  - Keep real UI assets unmodified and only as contextual background

references:
  A: "Character appearance reference"

extras:
  - high resolution
  - realistic OS UI rendering
  - clean compositing and precise layer separation
  - allow creative mascot-like movement