:root{--navy:#0B2A5B;--ink:#1C2B42;--muted:#55657D;--bg:#F4F8FD;--card:#FFFFFF;--line:#DCE5F1;--orange:#F7931E;--tint:#EAF1FB;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--navy:#9CC2FF;--ink:#E3EAF5;--muted:#A7B4C8;--bg:#0C1626;--card:#132238;--line:#24364F;--tint:#17304F;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 'Nunito',system-ui,-apple-system,'Segoe UI',sans-serif}
a{color:var(--navy)}
.wrap{max-width:760px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.bar{background:#0B2A5B;color:#fff}
.bar .wrap{max-width:1100px;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;padding-block:14px}
.bar a{color:#fff;text-decoration:none;font-weight:700}
.bar .brand{font-weight:800;font-size:19px}
.bar nav{display:flex;gap:16px;font-size:15px}
.doc{padding-block:28px 48px}
.doc h1{color:var(--navy);font-size:clamp(28px,6vw,38px);line-height:1.15;margin:8px 0 4px;text-wrap:balance}
.doc h2{color:var(--navy);font-size:21px;margin:32px 0 6px;text-wrap:balance}
.doc h3{font-size:17px;margin:20px 0 4px}
.doc p,.doc li{max-width:68ch}
.doc ul{padding-left:22px}
.doc li{margin:4px 0}
.updated{color:var(--muted);font-size:14px;margin:0 0 20px}
.callout{background:var(--tint);border-left:4px solid var(--orange);border-radius:10px;padding:14px 16px;margin:18px 0}
.sel{user-select:all;font-weight:700}
.foot{background:#0B2A5B;color:rgba(255,255,255,.85);font-size:14px}
.foot .wrap{max-width:1100px;display:flex;flex-wrap:wrap;gap:8px 18px;padding-block:18px}
.foot a{color:#fff}
.foot span{margin-left:auto}
@media (max-width:520px){.foot span{margin-left:0;width:100%}}