Main subject: Blue and white wave-shaped mountains, pure tech visual base. Scene: Tech-themed text-free promotional poster scene, suitable for tech press conferences and industry promotion. Style: Fresh futuristic feel, minimalist and elegant design, AIGC digital life integration style. Color scheme: Blue and white gradient as main tones, clean and transparent, ethereal and high-end atmosphere. Lighting: Overall soft and transparent, natural flowing light and shadow of mountains, light and ethereal layers. Composition: Wave-shaped mountains arranged at the bottom, overall layout simple and elegant, comfortable white space. Usage: Tech press conference background, AIGC industry promotional poster background, digital life theme visuals, text-free commercial tech materials.