A vibrant cartoon with colours and smooth animation. A cinematic 3D cartoon scene at night. A young adventurous boy stands on a quiet rooftop, looking up at the dark starry sky. Suddenly, a brilliant golden firework explodes high above him, illuminating the entire sky with sparkling trails. The boy's face lights up with amazement as colorful reflections appear in his eyes. The camera slowly pushes toward his face, then tilts upward to reveal the huge glowing firework. Smooth animation, expressive character, detailed environment, cinematic lighting, vibrant colors, magical atmosphere, realistic firework motion, high-quality 3D animated movie style. 8 seconds, continuous shot, no text, no subtitles, no watermark.