body{font-family:Segoe UI,sans-serif;margin:0;background:#f4f7f9;color:#333}header,footer{background:#0b5a3c;color:#fff;padding:20px}nav a{color:#fff;margin:0 10px;text-decoration:none}.hero{padding:60px;background:#e7f5ee}.container{max-width:1000px;margin:auto;padding:20px}.card{background:#fff;padding:20px;margin:15px 0;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,.1)}