A hyper-realistic and ultra-detailed 4k portrait of a woman at a Venetian carnival, with striking blonde hair cascading beneath an intricately designed fox mask adorned with delicate gilded patterns and vibrant feathers. Her eyes, expressive and captivating, peek through the mesmerizing mask as if telling a story of mystery and allure. The oil painting technique adds depth and richness, capturing the interplay of light and shadow on her flawless skin. The background features the blurred, colorful lights of the carnival, enhancing her enigmatic presence. The scene blends a touch of whimsy with the timeless elegance of Venetian artistry.