body{margin:0;font-family:Arial,Helvetica,sans-serif;font-size:18px;line-height:1.6;background:#eef2ec;color:#243028;}
#header{background:#5a6f3f;color:#fff;text-align:center;padding:30px;}
#menu{background:#3f5230;text-align:center;padding:12px;}
#menu a{color:#fff;text-decoration:none;margin:0 10px;font-weight:bold;}
#content{max-width:1100px;margin:0 auto;padding:20px;}
.card{background:#fff;padding:25px;margin-bottom:20px;border-radius:8px;border:1px solid #d5ddd1;}
#footer{background:#5a6f3f;color:#fff;text-align:center;padding:15px;}