:root{--ground:#EDEDEE;--surface:#FBFBFC;--text:#131315;--muted:#5C5C63;--line:rgba(0,0,0,.08);--coral:#E9473F;--vault:#7C3AED}
@media (prefers-color-scheme:dark){:root{--ground:#121214;--surface:#1A1A1D;--text:#E8E8EA;--muted:#A3A3AB;--line:rgba(255,255,255,.1);--coral:#FF6257;--vault:#8F6FDB}}
*{box-sizing:border-box}
body{margin:0;background:var(--ground);color:var(--text);font:17px/1.6 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
main{max-width:720px;margin:0 auto;padding:32px 16px 80px}
header{display:flex;align-items:center;gap:14px;margin-bottom:32px}
header img{width:52px;height:52px;border-radius:12px}
header a{color:var(--text);text-decoration:none;font-weight:700;font-size:20px}
nav{margin-left:auto;display:flex;gap:16px;font-size:15px;flex-wrap:wrap}
nav a{color:var(--muted);font-weight:500;font-size:15px}
h1{font-size:34px;line-height:1.15;margin:0 0 8px;letter-spacing:-.02em}
h2{font-size:21px;margin:36px 0 8px}
p,li{color:var(--text)}
.lede{color:var(--muted);font-size:19px;margin:0 0 24px}
.meta{color:var(--muted);font-size:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:16px 0;box-shadow:0 3px 10px rgba(0,0,0,.05)}
.card h2{margin-top:0}
a{color:var(--coral)}
ul{padding-left:22px}
table{width:100%;border-collapse:collapse;font-size:15px}
td,th{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600}
footer{margin-top:48px;color:var(--muted);font-size:14px}