body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#ffffff;color:#0b1220;line-height:1.7}
header{position:sticky;top:0;background:#ffffffee;backdrop-filter:blur(10px);
display:flex;justify-content:space-between;align-items:center;padding:18px 40px;border-bottom:1px solid #e6eaf0}
nav a{margin-left:20px;text-decoration:none;color:#0b1220;font-size:14px}
.hero{padding:140px 20px 100px;text-align:center;background:linear-gradient(180deg,#ffffff,#f4f7fb)}
.section{max-width:1000px;margin:auto;padding:80px 20px}
.footer{background:#0b1220;color:white;padding:60px 20px;margin-top:80px;text-align:center}