body{font-family:Arial,sans-serif;margin:0;background:#f5f7fb;color:#222;line-height:1.7}
header{background:#fff;border-bottom:1px solid #ddd}nav{max-width:1100px;margin:auto;padding:18px;display:flex;justify-content:space-between}
nav a{margin-left:18px;color:#2563eb;text-decoration:none}.hero{max-width:1100px;margin:auto;padding:80px 20px;text-align:center}
.btn{display:inline-block;background:#2563eb;color:#fff;padding:12px 24px;border-radius:8px;text-decoration:none}
.container{max-width:1000px;margin:auto;padding:50px 20px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.card{background:#fff;padding:20px;border-radius:10px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
footer{text-align:center;padding:30px;background:#fff;border-top:1px solid #ddd}.page{max-width:900px;margin:auto;padding:60px 20px}