A city-rendered digital art poster for [City Name].

The core subject is a miniature island floating above white clouds, shaped like the selected city and occupying most of the frame. The island’s silhouette resembles the city’s map shape, seamlessly integrating the city’s iconic landmarks, natural scenery, and cultural elements. Add city-specific birds, cinematic lighting, vivid colors, an aerial viewpoint, and sun-reflection effects; buildings should not be too many or too dense.

The island shows a seamless blend of history and modernity. One part features the city’s most representative ancient historical architecture; the other part transitions smoothly into landmark buildings and a skyline view.

The island floats above a vast sea of clouds. The cloud sea is depicted in the traditional art style of the city’s cultural sphere.

A 3D city name in pinyin or English floats above the miniature island, like a micro ecological installation where ecology and culture coexist.

Around the frame and near the main subject, overlay a minimalist, elegant information layout layer with a museum placard feel. Primarily look up relevant city information; use a classic serif font for key info, and an ultra-thin minimalist sans-serif for supporting data. In the corners, typeset like a classical atlas or a premium magazine frontispiece. Use serif type to annotate the city’s coordinates, nickname or founding year, and the current weather as decorative background information. Keep abundant whitespace; the layout is restrained, clean, and balanced, like viewing a precious artwork.

Style requirements: Octane Render, C4D, Isometric City, Micro World, Living Ecosystem, 8k Resolution. DreamWorks style, 3D modeling, delicate, soft light projection.