3D渲染现代简约风格透明蓝色玻璃盾牌科技感防护元素

minimalist 3D render icon, main colors light blue and transparent, overall cool color scheme, main object is a shield, transparent material with light blue highlights, classic shield design with rounded top and sharp bottom, subtle textures on the shield surface, edge highlights, background is a semi-transparent checkerboard pattern in gray and white, modern and clean visual style, conveys protection and security