*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,Helvetica,sans-serif;background:#f4f5f7;color:#111827;line-height:1.65}
header{color:#f3f4f6;box-shadow:0 2px 8px rgba(0,0,0,0.15)}
nav a{text-decoration:none;color:#f3f4f6;font-size:0.95rem}
nav a:hover{text-decoration:underline}
main{max-width:1100px;margin:30px auto;padding:0 20px}
.hero,.section{background:#fff;padding:26px;border-radius:14px;box-shadow:0 12px 30px rgba(0,0,0,0.10);margin-bottom:26px}
h1{font-size:1.8rem;margin-bottom:12px}
h2{font-size:1.35rem;margin:20px 0 10px}
p{margin-bottom:14px}
ul{margin-left:20px;margin-bottom:20px}
footer{text-align:center;padding:26px 0;color:#6b7280;font-size:0.9rem}