Subject: 3D-rendered server rack, cute and fluffy 3D cloud shape, glowing data cables connecting the cloud and server, paired with multiple smart terminal devices including laptop, smartphone, smart home tablet, smart speaker, dual-antenna wireless router. Scene: Minimalist virtual tech display space with no extra clutter, showing the interconnection status of cloud services and multiple terminal devices. Style: C4D-produced 3D立体插画风格, soft-edged cartoon texture, lightweight拟物科技设计风格. Color palette: Overall dominated by various shades of blue, paired with bright blue glowing elements, milky white cloud shape, a unified cold-toned tech color scheme. Lighting: Overall uses soft diffuse ambient light, device screens and data cables have soft self-illumination effect, shadows are softened with no hard edges, visual effect is transparent and comfortable. Composition: Horizontal composition with eye-level perspective, core interconnected elements are scattered in the lower-middle part of the画面, foreground has slightly blurred decorative elements, overall element arrangement is stretched and balanced. Usage: Suitable for cloud service, IoT-related commercial promotion, web header image, banner for tech promotion illustrations.