渐变风科技感世界地图线条连接背景素材

A clean, minimalist corporate-style cover image showing a glowing global map made of fine blue and silver network lines, symbolizing global connectivity and intelligent manufacturing. The background is a deep blue gradient with subtle light effects and soft abstract lines radiating from the center, representing a worldwide service network. Sleek, modern, and professional design with balanced composition and empty space for a title. • 风格（Style）：corporate / tech / clean design • 配色（Palette）：#005EA2（深蓝）+ 银灰 + 白光高光 • 纵横比（Aspect Ratio）：16:9（公众号封面推荐尺寸） • 关键词补充（可选）： • global network lines • blue gradient background • light beams / data grid • minimalism / futuristic tech look