body{color:#111;background:#fff;margin:0;font-family:Arial,Helvetica,sans-serif}main{max-width:760px;margin:0 auto;padding:36px 20px}header{border-bottom:1px solid #ddd;margin-bottom:30px;padding-bottom:20px}h1{margin:0 0 12px;font-size:38px}h2{margin:30px 0 10px;font-size:24px}p{margin:0;font-size:17px;line-height:1.6}table{border-collapse:collapse;width:100%;margin-top:16px}th,td{text-align:left;border:1px solid #ccc;padding:10px}th{background:#f2f2f2}