:root{--ink:#0B132B;--blue:#0056B3;--teal:#00A896;--muted:#5B6472;--line:#E2E8F0;--bg2:#F7F9FB}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',sans-serif;color:#1E293B;line-height:1.6;background:#fff}
header{border-bottom:1px solid var(--line);padding:16px 24px}
.nav{max-width:860px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}
.logo{font-weight:800;color:var(--ink);text-decoration:none}
.logo span{color:var(--blue)}
main{max-width:860px;margin:0 auto;padding:48px 24px}
h1{font-size:1.9rem;color:var(--ink);margin-bottom:6px}
.updated{font-size:.85rem;color:var(--muted);margin-bottom:32px;font-family:'Roboto Mono',monospace}
h2{font-size:1.15rem;color:var(--ink);margin:30px 0 10px}
p,li{color:#334155;margin-bottom:12px;font-size:.95rem}
ul{padding-left:22px;margin-bottom:12px}
a{color:var(--blue)}
footer{border-top:1px solid var(--line);padding:24px;text-align:center;font-size:.8rem;color:var(--muted)}
.back{display:inline-block;margin-bottom:20px;font-size:.85rem;font-weight:600;color:var(--blue);text-decoration:none}