Thumbnail-Stopping Social Visual (社媒吸睛图)

High-contrast social media thumbnail image: expressive {{person reaction: shocked-looking creator}} on the right third holding {{object}}, bold single light source, saturated rim light in {{color}}, dark gradient background on the left two-thirds intentionally clean for text overlay, extreme foreground element {{arrow/circle graphic}} rendered as simple 3D, punchy readable silhouette even at 160px wide, energetic YouTube-thumbnail composition, photoreal 3D render hybrid --ar 16:9 --style raw