“RETRO”是使用 FontVibe AI 创作的Neon Synthwave 3D 霓虹合成波文字效果。厚重立体的 3D 字母，闪着合成波霓虹光——电光洋红、青色，还有落日橙。为复古未来主义能量而生。

rendered as massive chunky 3D block letters with neon-lit surfaces. Electric edge lighting in synthwave colors — hot magenta, electric cyan, sunset orange. Deep cast shadows with colored neon light bleeding onto surrounding surfaces. 80s retrowave energy. Premium CGI quality. Square 1:1. RETRO as massive chunky 3D block letters, perfectly centered. Pure deep black background. Electric neon lighting — sunset orange on letter faces, electric cyan rim glow tracing all bevel edges. Warm orange-to-cyan neon light spills softly onto the dark floor. Clean minimal text asset showcase. No scene elements.