俏皮木铃揭示

A short two-part reveal sting: a tiny quick drumroll (soft wooden taps, ~0.25s) building anticipation, immediately resolving into a bright crisp wooden bell "ding" with a playful, mischievous tone (not triumphant, more like a friendly prank reveal), instant attack, clean short decay, no long reverb tail, <0.8s, no vocals, cartoon-game feel