“FREE”是使用 FontVibe AI 创作的霓虹光效文字效果。青色与品红交替的圆润霓虹灯管大写字母，灯管芯明亮、光晕柔和，在黑暗中把彩色倒影投在湿地面上。

rendered as real bent glass neon tubes with visible tube brackets and mounting hardware. Bright cyan and magenta neon light, sharp glowing edges with soft light bloom, visible glass tube refraction. Slightly uneven brightness between letters for realism. Square 1:1. FREE as real glass neon tube lettering, perfectly centered. Scene: deep black background. Letters formed as bent cyan neon glass tubes with bright magenta accent on the R — visible tube mounting brackets and hardware against a dark metal backing plate. Sharp tube edges with spreading soft light bloom. Authentic glass refraction visible inside each tube. Uneven brightness between characters. Real custom sign quality.