:root{--bg:#f7f7fb;--card:#fff;--muted:#666}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:#111;margin:0}.container{max-width:900px;margin:32px auto;padding:0 16px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:16px;gap:16px}.card{background:var(--card);padding:16px;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.08)}.card h3{margin:0 0 8px}.tag{display:inline-block;background:#eef2ff;color:#2a2a72;padding:4px 8px;border-radius:999px;font-size:12px;margin-right:6px}.price{font-weight:600}.btn{display:inline-block;padding:10px 14px;background:#2563eb;color:#fff;border-radius:6px;text-decoration:none}.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}a:focus{outline:3px solid #ffd54f}