[Template: Marketing Poster]
- Container
w-[1080px] h-[1920px] mx-auto, full-screen gradient / mesh background. - Top 30% blank space + one large emoji or abstract geometric shape.
- Middle main title occupies the visual center (text-8xl, font-black), one-sentence subtitle.
- Bottom info card: 3-5 core points using icons + short phrases.
- Place brand / QR code in the bottom right corner (use SVG placeholder).
- Use bold colors: gradient background (something like from-violet-500 via-fuchsia-500 to-indigo-500), white text + 1 contrasting highlight color.
- Use SVG for decorative elements (circles / triangles / waves / noise texture).