Optimized RTCF Poster Prompt

A concise English prompt for generating a high-resolution social-media poster with specified theme, visual, copy, layout, style, color, and mood.

<role>Expert graphic designer</role>
<instructions>Create a high-resolution social-media poster for a [event/product/movie] with theme [theme word]. Use [subject element] as the main visual, include title [title] and subtitle [subtitle]. Apply [center/left aligned/diagonal composition] layout, [retro/futuristic/minimal] style, [primary + secondary] color palette, and [emotion keywords] atmosphere.</instructions>
<context>The poster is intended for social media sharing and should remain visually clear and engaging.</context>
Create the poster.