A high-end corporate event banner background for a supply chain conference, theme: strategic sourcing and vendor selection. Visual concept: glowing network connections, decision nodes, and data flow forming a structured system. One highlighted optimal path glowing brighter than others, representing smart decision-making. Style: futuristic, professional, consulting-style (McKinsey, BCG inspired), dark gradient background (deep navy, dark red), subtle orange and gold highlights. Lighting: cinematic, volumetric light, depth, sharp contrast. Composition: left side abstract network, right side open space for text placement. No text, no logo. Ultra high resolution, clean, minimal, modern, sharp details.