A grand, beautifully decorated mansion surrounded by snow-covered grounds during a festive winter night. A glowing pathway with embedded multicolored lights leads to the mansion, flanked by ornate street lamps adorned with garlands and holiday decorations. Several fountains with illuminated water jets add magical ambiance. In the foreground stands a large Christmas tree adorned with colorful lights and topped with a radiant star. The mansion glows warmly from within, suggesting a cozy interior. Snow-covered trees frame the scene, and a twilight sky filled with stars and auroras completes the picturesque holiday setting. Portrait orientation, cinematic lighting, winter celebration theme, perfect for mobile wallpaper.