body{font-family:system-ui;margin:0;color:#0f172a}a{color:#0ea5e9;text-decoration:none}.container{max-width:1040px;margin:0 auto;padding:0 20px}header{position:sticky;top:0;background:#fff;border-bottom:1px solid #e5e7eb}.nav{display:flex;align-items:center;justify-content:space-between;height:68px}nav ul{list-style:none;margin:0;padding:0;display:flex;gap:1rem;flex-wrap:wrap}.btn{display:inline-block;padding:.6rem .9rem;border-radius:.7rem;background:#0ea5e9;color:#fff;font-weight:800;border:1px solid transparent}.btn:hover{background:#0284c7}.hero{padding:2rem 0;background:linear-gradient(180deg,#f0f9ff,transparent)}.card{background:#fbfdff;border:1px solid #e5e7eb;border-radius:1rem;padding:1rem}.small{color:#475569;font-size:.95rem}