body{margin:0;font:16px/1.7 system-ui,sans-serif;color:#17202a}header,main,footer{max-width:1100px;margin:auto;padding:1rem}header{display:flex;justify-content:space-between;border-bottom:1px solid #ddd}nav{display:flex;gap:1rem}img,video{max-width:100%;height:auto}table{max-width:100%;border-collapse:collapse;display:block;overflow:auto}td,th{border:1px solid #ccc;padding:.4rem}.listing{padding:0;list-style:none}.listing li{padding:1rem 0;border-bottom:1px solid #ddd}.hero{padding:3rem 1rem;background:#eef5f7}footer{margin-top:3rem;border-top:1px solid #ddd;color:#667}