“Feliz Cumpleaños”是使用 FontVibe AI 创作的Y2K 泡泡字文字效果。Y2K 泡泡充气字母——圆润柔软的充气造型，粉紫马卡龙配色，糖果光泽表面。甜甜的 2000 年代派对女孩风。

Y2K bubbly inflated letters — extremely round pillow-soft letter forms completely inflated like over-pressurized balloons. Pastel pink-to-lavender gradient across the glossy candy surface. Strong white specular highlight on the top of each inflated letter. Extremely smooth and soft surface. Sweet 2000s Y2K party aesthetic. Maximum bubbly inflation quality. LETTERFORM PRIORITY: when the chosen font carries its own treatment, that font's letterform shapes take priority and own the letters; this style governs the over-inflated pillow form, the glossy candy surface and the speculars. FALLBACK MATERIAL: if the font carries no material of its own, render the letters as extremely round over-inflated pillow letters with an ultra-smooth glossy candy surface and a strong white top specular. COLOR PRIORITY: keep the font's own colors if specified; otherwise a pastel pink-to-lavender gradient. “Feliz Cumpleaños” rendered as maximally inflated Y2K candy letters, each character swollen into a round over-pressurized pillow form with smooth bulbous curves, sealed seams, and zero sharp corners. Preserve the exact accented text. The surface carries a pastel pink through lavender and baby-blue gradient, with iridescent metallic candy gloss, translucent pearlescent reflections, and bright white oval specular highlights across upper-facing curves. Thick soft inner glow radiates through the inflated forms in matching pink and violet tones. Surround the title with glossy balloon hearts, tiny five-point star charms, translucent bubble spheres, chrome butterfly stickers, curled ribbon streamers, and miniature birthday gift boxes wrapped in pink foil with lavender bows. A few candle-shaped decorative elements emit small white-pink flames and reflected light onto nearby glossy surfaces. Background is a seamless airbrushed gradient from pale bubblegum pink to periwinkle blue, layered with faint holographic grid arcs, lens-flare sparkles, and soft cloud-like bokeh. Use clean studio lighting from above with broad diffused reflections, subtle cyan rim light, soft contact shadows, high-resolution ray-traced plastic material, and crisp readable text as the dominant visual element.