YouTube 直播发布会演示模板

Photorealistic screenshot of a YouTube live stream in dark mode showing an OpenAI keynote presentation, wide front-facing view of a male tech CEO standing beside a light wood podium with the OpenAI logo while presenting on a large black stage screen that reads “OpenAI Introducing GPT-Image-2” with the tagline “More Realistic. More Useful. More Creative.” and four colorful sample images beneath, authentic YouTube interface visible with search bar, live badge, playback controls, title, channel info, like/share buttons, and viewer count, sleek minimalist conference stage design, soft warm spotlight on the speaker, crisp high-contrast screen graphics, black charcoal UI with white text and red accents, realistic laptop and podium materials, cinematic event photography mixed with accurate desktop browser screenshot realism, sharp 16:9 composition from audience eye level, subtle lens and screen glow, highly detailed modern product-launch livestream mockup