Main subject: abstract city skyline, white skyscrapers arranged on both sides. Scene: soft light blue gradient background, minimalist and clean fintech-exclusive scene, no redundant clutter. Style: 3D fintech illustration, simple minimalist design, 8K high-definition quality. Tone: mainly soft light blue gradient, matched with white buildings, clean, high-end, and coordinated unified color scheme. Lighting: soft diffused light, overall even and warm light, delicate and natural light and shadow layers of buildings. Composition: city skyscrapers arranged on both sides of the frame, with transparent blank space in the middle, balanced, simple and grand layout. Use case: fintech poster background, corporate business PPT base image, financial exhibition visual material, high-end tech office design background.