写实工业风网络机柜内部布线场景黄色网线蓝色水晶头商

high-tech photo, blue and yellow color scheme, fiber optic connectors and cables, blue connectors tightly inserted into panel slots, yellow cables extending from connectors, neatly arranged on dark background equipment panel, no people, no decorative elements, no text, clean background, professional and clear visual effect, conveying a sense of technology and efficient information transmission