dim background, dark background, Outside Dr. Strange's Supreme Sanctuary, the night scene appeared mysterious and deep, the distant sky was shrouded in a layer of purple mist, the stars twinkled faintly, like broken diamonds dotting the dark canopy, the building of the Supreme Sanctuary stood on the top of the mountain, like an ancient palace, huge and full of power, its shape was intricate and complex, its surface was covered with shimmering runes and ancient magical arrays, occasionally fluctuating slightly in the wind, emitting a faint glow, The building's silhouette was silhouetted in the night, making it even more mysterious and inaccessible, 32k ultra-detailed