:root{--surface:#F8FAFC;--raised:#FFFFFF;--ink:#0F172A;--muted:#475569;--line:#E2E8F0;--link:#2563FF}
@media (prefers-color-scheme:dark){:root{--surface:#0B1120;--raised:#111A2E;--ink:#F1F5F9;--muted:#94A3B8;--line:#24304A;--link:#7AA2FF}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--surface);color:var(--ink);font:16px/1.7 "DM Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
.top{border-bottom:1px solid var(--line);background:var(--surface)}
.top .in{max-width:760px;margin:0 auto;padding:14px 16px;display:flex;align-items:center;gap:16px}
.top img{height:30px;display:block}
.top nav{margin-left:auto;display:flex;gap:16px;font-size:14px}
main{max-width:760px;margin:0 auto;padding:36px 16px 72px}
h1,h2{font-family:"Poppins",system-ui,sans-serif;letter-spacing:-.01em;line-height:1.25}
h1{font-size:32px;margin:0 0 6px}
h2{font-size:20px;margin:36px 0 8px}
.meta{color:var(--muted);margin:0 0 24px}
.lead{font-size:18px}
a{color:var(--link)}
li{margin-bottom:6px}
.box{background:var(--raised);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:20px 0}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:15px}
th,td{text-align:left;vertical-align:top;padding:10px 8px;border-bottom:1px solid var(--line)}
th{font-weight:600}
footer{max-width:760px;margin:0 auto;padding:0 16px 40px;color:var(--muted);font-size:14px}
@media (max-width:560px){h1{font-size:27px}.top nav{gap:12px;font-size:13px}table,thead,tbody,tr,th,td{display:block}thead{display:none}td{border:0;padding:4px 0}tr{border-bottom:1px solid var(--line);padding:8px 0}}