A vibrant and festive New Year poster featuring fireworks exploding in the night sky above a bustling city skyline. In the foreground, large bold numbers "2025" are prominently displayed, glowing with golden sparkles. Colorful confetti falls from the top, and a shimmering countdown clock is visible, showing "00:00". The background is illuminated by bright lights and the glow of the fireworks. Around the numbers, the text "Happy New Year!" is written in elegant, sparkling script.