Clean flat vector illustration, thick black outlines, light grey background, bold typography, simple mobile-friendly layout. Large title: "[主标题]". Subtitle: "[副标题]". One stylish coder in hoodie and headphones working on a laptop, relaxed and focused. Add only a few simple props: coffee mug, plant, notebook, phone, cat, code bubble, pixel heart, smiley icon. Use oversized hands and sneakers, playful streetwear style. Limited flat colors: black, white, grey, green, blue, with small psychedelic gradient accents on sneakers, stickers, and icons. Minimal readable text, no clutter, no tiny UI panels. Modern Gen-Z tech poster style, coding lifestyle, clean editorial hero image, polished vector artwork. No photorealism, no 3D, no messy details, no unreadable text.
