:root{--bg:#fff;--muted:#6b7280;--accent:#4f46e5}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:#111827}.container{max-width:1100px;margin:0 auto;padding:24px}.header{justify-content:space-between;padding:12px 0;border-bottom:1px solid #e6e9ee}.brand,.header{display:flex;align-items:center}.brand{gap:12px;text-decoration:none;color:inherit}.logo{width:44px;height:44px}.nav a{margin-left:12px;color:var(--muted);text-decoration:none}.hero{padding:48px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px}.card{padding:18px;border-radius:12px;border:1px solid #eef2ff;background:#fff}.btn{background:var(--accent);color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none}.footer{border-top:1px solid #e6e9ee;padding:24px 0;margin-top:40px}@media (max-width:800px){.nav{display:none}}