:root{
  --bg:#F3F6FA; --surface:#FFFFFF; --surface-2:#EEF3F9; --ink:#0F1C2E; --muted:#6A7B92; --line:#E2E9F2;
  --primary:#3A6EA8; --primary-deep:#1F3F66; --primary-soft:#E6EEF8; --warn:#D99A12;
  --shadow:0 1px 2px rgba(15,28,46,.04),0 6px 20px rgba(15,28,46,.06); --r:18px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#0D1520; --surface:#16212E; --surface-2:#1C2938; --ink:#E8EEF6; --muted:#8A9BB2; --line:#243345;
  --primary:#6E9BD1; --primary-deep:#A9C6EA; --primary-soft:#1D2D42;
  --shadow:0 1px 2px rgba(0,0,0,.2),0 6px 20px rgba(0,0,0,.25);
}}
:root[data-theme="dark"]{
  --bg:#0D1520; --surface:#16212E; --surface-2:#1C2938; --ink:#E8EEF6; --muted:#8A9BB2; --line:#243345;
  --primary:#6E9BD1; --primary-deep:#A9C6EA; --primary-soft:#1D2D42;
  --shadow:0 1px 2px rgba(0,0,0,.2),0 6px 20px rgba(0,0,0,.25);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;font-size:15px;line-height:1.55}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:720px;margin:0 auto;padding:20px 16px calc(40px + env(safe-area-inset-bottom))}
.head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.head img{width:44px;height:44px;border-radius:12px}
.head .t{font-weight:700;font-size:16px}
.head .s{color:var(--muted);font-size:13px}
h1{font-size:26px;line-height:1.2;letter-spacing:-.02em;margin:6px 0 6px}
.ver{color:var(--muted);font-size:13px;margin-bottom:18px}
.card{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:18px 18px;margin-bottom:12px}
.card.short{background:var(--primary-soft)}
.card.short h2{margin-top:0}
h2{font-size:17px;margin:2px 0 10px;letter-spacing:-.01em}
h3{font-size:14px;margin:14px 0 6px}
p{margin:0 0 10px}
p:last-child,ul:last-child{margin-bottom:0}
ul{margin:0 0 10px 20px}
li{margin:4px 0}
.muted{color:var(--muted)}
.small{font-size:13px}
.tbl{width:100%;border-collapse:collapse;font-size:14px;margin:6px 0 4px;table-layout:fixed}
.tbl th,.tbl td{text-align:left;vertical-align:top;padding:9px 8px;border-top:1px solid var(--line);overflow-wrap:anywhere;hyphens:auto}
.tbl th:first-child,.tbl td:first-child{padding-left:0}
.tbl th:last-child,.tbl td:last-child{padding-right:0}
.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-top:0}
.tbl td:first-child{font-weight:600;width:30%}
.todo{background:rgba(217,154,18,.18);border-radius:6px;padding:1px 6px;color:var(--ink)}
.toc{columns:2;column-gap:24px;margin:0;list-style:none;font-size:14px}
.toc li{margin:3px 0;break-inside:avoid}
@media (max-width:520px){ .toc{columns:1} .tbl td:first-child{width:36%} h1{font-size:23px} }
.foot{color:var(--muted);font-size:12.5px;text-align:center;margin-top:20px}
.docs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
.docs a{background:var(--surface);box-shadow:var(--shadow);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600}
.docs a.on{background:var(--primary);color:#fff}