“MAX · BIRTHDAY BOY · LEVEL UP”是使用 FontVibe AI 创作的儿童生日文字效果。专为孩子设计的活泼彩虹卡通生日文字特效。每个字母一种明亮饱和的颜色，胖乎乎的泡泡字形，还有五彩气球和撒满屏幕的彩纸。做儿童生日贺卡、派对横幅和周岁庆典都超合适。

rendered in kids birthday cartoon style with vibrant rainbow colors. Each letter in a different bright saturated color (red, orange, yellow, green, blue, purple cycling). Letters in rounded bubble/inflated 3D cartoon style — thick chunky forms, smooth shiny surfaces with highlight reflections. White or light background. Large colorful cartoon balloons in multiple colors. Colorful star bursts, hearts, and confetti explosion. Thick black outline on all letters. Maximum saturation, maximum fun energy. Children party illustration aesthetic. Bright white background with soft blue gradient glow at center. Perfectly centered three-tier layout: Top: tiny bold caps "LEVEL UP" about 8% frame width in electric blue. Center: massive rainbow cartoon "MAX" filling 72% of frame width — M red, A yellow, X blue — extra chunky bubble letters with thick black outlines and circular white highlight spots. Bottom: small colorful caps "BIRTHDAY BOY" about 28% frame width. Large cartoon balloons — red, blue, yellow — clustered above. Confetti and lightning bolt shapes exploding outward. Bold primary color energy. Ratio approx 1:5:1.5.