An elaborate abstract sci-fi book cover illustration. A close-up of a complex

An elaborate abstract sci-fi book cover illustration. A close-up of a complex, fractally patterned golden artifact floating in deep space. From its core, geometric, crystal-like structures unfurl, forming an impossible, self-similar city. It is surrounded by a swirling, colorful nebula and thousands of detailed, tiny, intersecting energy trails. Surreal and mind-bending detail. By Android Jones, vibrant digital art. by Anton Semenov --ar 4:5 --style raw --v 8