*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1d2433;line-height:1.6;background:#fff}
.wrap{max-width:900px;margin:0 auto;padding:0 20px}header{border-bottom:1px solid #e5e7eb}header .wrap{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;flex-wrap:wrap}
.logo{font-weight:700;font-size:1.2rem;color:#1d2433;text-decoration:none}nav a{margin-left:16px;color:#374151;text-decoration:none}nav a:hover{color:#2563eb}
.hero{background:#f3f6fb;padding:64px 0}.hero h1{font-size:2.2rem;margin:0 0 12px}section{padding:40px 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.card{border:1px solid #e5e7eb;border-radius:10px;padding:20px}
a{color:#2563eb}footer{border-top:1px solid #e5e7eb;padding:24px 0;font-size:.9rem;color:#6b7280}footer a{margin-right:14px}
@media(max-width:600px){nav a{margin:0 12px 0 0}.hero h1{font-size:1.7rem}}