body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f5f7fb;color:#333}
header{background:#1e40af;color:#fff;padding:30px 20px}
main{max-width:1000px;margin:auto;padding:20px}
section{background:#fff;border-radius:10px;padding:22px;margin-bottom:20px}
h1{font-size:30px;margin-bottom:10px}
h2{font-size:22px;margin:18px 0 10px}
p{line-height:1.9;font-size:15px}
a{color:#2563eb;text-decoration:none}
footer{text-align:center;font-size:13px;color:#777;margin:30px 0}