深色模式 AI API 定价页面模型

A sleek dark-mode SaaS landing page hero for OpenAI showcasing GPT-8 pricing, straight-on desktop browser screenshot composition, minimalist premium web design with a black background, elegant oversized serif headline “GPT-8” on the left, refined sans-serif navigation at the top, concise product copy and a rounded white call-to-action button, and a large glassmorphism-style pricing panel on the right listing token categories and prices in stacked cards, subtle borders, soft shadows, low-contrast charcoal surfaces, monochrome palette of black, graphite, gray, and white, ultra-clean typography, spacious grid layout, modern product marketing aesthetic, crisp UI rendering, realistic website mockup, high detail, sharp focus, polished startup brand presentation