Retro-Future Pinup Background Conversion Prompt

Change the white background to an American retro pinup-style background. Design a high-sense background incorporating elements such as retro-future, Space Age, and Googie architecture. Add a thin border like an old photograph. Generate the background in high resolution, adding a slight sense of realism to the texture and details. Use expressions that suggest neon or indirect lighting. Mainly generate only the background, without significantly changing the character's pose, expression, clothing, or coloring. Design the background to match the character's pose. The setting is: [setting]