“HAPPY BIRTHDAY”是使用 FontVibe AI 创作的Bubble 3D 气泡字文字效果。鼓鼓的、充满空气的气泡字体，糖果光泽3D表面。Y2K风，气球弹跳感——生日动态、Discord头图、手机壁纸都好看。

Render as inflated 3D bubble letters for a birthday party banner. Wide 16:9 horizontal banner composition. Background: festive party scene — colorful balloons floating, streamers, confetti bursts — party atmosphere without overwhelming the text. Letters: multicolor birthday palette — each letter a different candy color (pink, yellow, blue, green, orange) for maximum birthday energy. Letters large and banner-proportioned, filling 65% of frame width. The entire image should feel like a physical party banner — celebratory, printable, absolutely belonging above a birthday cake table. Festive horizontal banner background — colorful balloons floating up at edges, streamers and confetti bursting, warm party light atmosphere. "HAPPY BIRTHDAY" in large inflated 3D bubble letters centered, filling 70% of frame. Every letter a different candy color — pink, yellow, blue, green, orange, purple — maximum rainbow birthday energy. Glossy balloon finish, bright highlights. Looks exactly like a physical party banner hung above a birthday cake table. Print-ready celebratory quality.