:root{--bg:#f3f5f7;--surface:#fff;--ink:#142231;--ink-2:#44546a;--muted:#6b7a8c;--line:#d9e0e7;--line-2:#e9edf1;--brand:#b42318;--brand-ink:#fff;--brand-soft:#fdeceb;--blue:#1f4fa8;--focus:#1f6feb;--ok:#16794a;--ok-soft:#e6f4ec;--warn:#9a5b00;--warn-soft:#fff4e0;--err:#b42318;--err-soft:#fdeceb;--note:#1f4fa8;--note-soft:#eaf1fd;--s1:#0e8a95;--s1-soft:#e3f4f5;--s2:#2a62c9;--s2-soft:#e8effc;--s3:#c9412f;--s3-soft:#fbe9e6;--radius:10px;--shadow:0 1px 2px #1422310f, 0 4px 16px #1422310f;--font:"Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, "Cascadia Mono", "Consolas", "SFMono-Regular", monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font:16px/1.55 var(--font);-webkit-font-smoothing:antialiased}a{color:var(--blue)}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}h1,h2,h3{text-wrap:balance;margin:0;line-height:1.2}img{max-width:100%}.wrap{max-width:1120px;padding-inline:max(16px, env(safe-area-inset-left,0px)) max(16px, env(safe-area-inset-right,0px));margin:0 auto}.skip{position:absolute;left:-9999px}.skip:focus{z-index:50;background:var(--surface);padding:8px 12px;top:8px;left:16px}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.logo{color:var(--ink);letter-spacing:.01em;align-items:center;gap:10px;font-weight:700;text-decoration:none;display:inline-flex}.logo-mark{background:var(--brand);width:30px;height:30px;color:var(--brand-ink);letter-spacing:.04em;border-radius:7px;place-items:center;font-size:13px;font-weight:800;display:grid}.logo small{color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-size:12px;font-weight:500;display:block}.pub-head{background:var(--surface);border-bottom:1px solid var(--line)}.pub-head .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;min-height:68px;padding-block:10px;display:flex}.pub-nav{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.pub-nav a{color:var(--ink-2);border-radius:8px;padding:8px 12px;font-weight:500;text-decoration:none}.pub-nav a:hover{background:var(--line-2);color:var(--ink)}.pub-nav a.staff-link{border:1px solid var(--line)}.hero{padding-block:72px 56px}.hero .eyebrow{color:var(--brand);letter-spacing:.08em;text-transform:uppercase;font-size:13px;font-weight:700}.hero h1{letter-spacing:-.01em;max-width:18ch;margin-top:10px;font-size:clamp(2rem,4.5vw,3.2rem)}.hero p{color:var(--ink-2);max-width:60ch;margin:18px 0 0;font-size:1.15rem}.btns{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.btn{font:inherit;cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;line-height:1.3;text-decoration:none;display:inline-flex}.btn-primary{background:var(--brand);color:var(--brand-ink)}.btn-primary:hover{filter:brightness(1.08)}.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn-ghost:hover{background:var(--line-2)}.btn-small{padding:6px 12px;font-size:14px}.btn-danger{background:var(--surface);color:var(--err);border-color:var(--line)}.btn:disabled{opacity:.6;cursor:not-allowed}.band{border-top:1px solid var(--line);padding-block:48px}.band h2{font-size:1.6rem}.lede{color:var(--ink-2);max-width:65ch}.grid3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:24px;display:grid}.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.tile h3{font-size:1.05rem}.tile p{color:var(--ink-2);margin:8px 0 0;font-size:.96rem}.placeholder{letter-spacing:.06em;text-transform:uppercase;color:var(--warn);background:var(--warn-soft);border-radius:99px;padding:3px 8px;font-size:12px;font-weight:700;display:inline-block}.pub-foot{border-top:1px solid var(--line);color:var(--muted);margin-top:48px;padding-block:28px;font-size:14px}.pub-foot .wrap{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex}.page-head{padding-block:48px 8px}.page-head h1{font-size:clamp(1.8rem,3.5vw,2.4rem)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.auth{min-height:100vh;padding:24px max(16px, env(safe-area-inset-right,0px)) 24px max(16px, env(safe-area-inset-left,0px));place-items:center;display:grid}.auth .card{width:100%;max-width:400px;padding:28px}.auth h1{margin:18px 0 4px;font-size:1.4rem}.auth p.sub{color:var(--muted);margin:0 0 20px}.field{gap:6px;margin-bottom:14px;display:grid}.field label{font-size:14px;font-weight:600}.field .hint{color:var(--muted);font-size:13px}input[type=text],input[type=email],input[type=password],input[type=search]{width:100%;font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:10px 12px}input:focus-visible{outline:3px solid var(--focus);outline-offset:0}.checks{flex-wrap:wrap;gap:8px 16px;display:flex}.checks label{align-items:center;gap:6px;font-size:14px;font-weight:500;display:inline-flex}.msg{border-radius:8px;margin-bottom:14px;padding:10px 12px;font-size:14px}.msg-err{background:var(--err-soft);color:var(--err)}.msg-ok{background:var(--ok-soft);color:var(--ok)}.msg-warn{background:var(--warn-soft);color:var(--warn)}.secret{font-family:var(--mono);background:var(--line-2);-webkit-user-select:all;user-select:all;border-radius:6px;margin-top:6px;padding:6px 10px;font-size:1.1rem;display:inline-block}.topbar{background:var(--surface);border-bottom:1px solid var(--line);top:env(safe-area-inset-top,0px);z-index:20;position:sticky}body:before{content:"";height:env(safe-area-inset-top,0px);z-index:21;background:var(--surface);position:fixed;inset:0 0 auto}.topbar .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-height:60px;padding-block:8px;display:flex}.topbar nav{flex-wrap:wrap;align-items:center;gap:2px;display:flex}.topbar nav a{color:var(--ink-2);border-radius:7px;padding:6px 10px;font-size:15px;font-weight:500;text-decoration:none}.topbar nav a[aria-current=page],.topbar nav a:hover{background:var(--line-2);color:var(--ink)}.who{color:var(--muted);align-items:center;gap:10px;font-size:14px;display:flex}.who form{margin:0}.linkbtn{color:var(--blue);font:inherit;cursor:pointer;background:0 0;border:none;padding:6px 4px;font-size:14px;text-decoration:underline}.staff-main{padding-block:32px 64px}.staff-main h1{font-size:1.8rem}.crumbs{color:var(--muted);flex-wrap:wrap;gap:6px;margin-bottom:8px;font-size:14px;display:flex}.crumbs a{color:var(--muted)}.dash{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:24px;display:grid}.dash a.tile{color:inherit;gap:6px;text-decoration:none;transition:border-color .15s,transform .15s;display:grid}.dash a.tile:hover{border-color:var(--brand);transform:translateY(-1px)}.tile .ico{background:var(--brand-soft);width:40px;height:40px;color:var(--brand);border-radius:9px;place-items:center;font-weight:800;display:grid}.noaccess{text-align:center;max-width:560px;margin:40px auto;padding:28px}.noaccess h1{font-size:1.4rem}.pill{background:var(--line-2);color:var(--ink-2);border-radius:99px;padding:2px 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form{gap:4px;max-width:520px;display:grid}.meta{color:var(--muted);font-size:14px}.topic-cat{margin-top:28px}.topic-cat>h2{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px;font-size:13px}.topics{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;display:grid}.topic-card{color:inherit;grid-template-columns:auto 1fr;align-items:start;gap:16px;padding:20px;text-decoration:none;transition:border-color .15s,transform .15s;display:grid}.topic-card:hover{border-color:var(--brand);transform:translateY(-1px)}.topic-mark{background:var(--brand);color:#fff;letter-spacing:.04em;border-radius:10px;place-items:center;width:52px;height:52px;font-size:14px;font-weight:800;display:grid}.topic-card h3{font-size:1.2rem}.topic-card p{color:var(--ink-2);margin:4px 0 8px;font-size:15px}@media (max-width:400px){.topics{grid-template-columns:minmax(0,1fr)}}.reader{grid-template-columns:290px minmax(0,1fr);align-items:start;gap:32px;padding-block:24px 64px;display:grid}.toc{top:calc(env(safe-area-inset-top,0px) + 76px);max-height:calc(100vh - 96px);padding-right:6px;font-size:14px;position:sticky;overflow:auto}.toc .home{color:var(--ink);margin-bottom:6px;padding:6px 8px;font-weight:700;text-decoration:none;display:block}.toc h3{letter-spacing:.08em;text-transform:uppercase;align-items:center;gap:8px;margin:14px 8px 4px;font-size:12px;display:flex}.toc h3 i{border-radius:2px;width:8px;height:8px;display:inline-block}.toc ul{margin:0;padding:0;list-style:none}.toc li a{color:var(--ink-2);border-radius:6px;grid-template-columns:34px 1fr;gap:4px;padding:5px 8px;text-decoration:none;display:grid}.toc li a:hover{background:var(--line-2);color:var(--ink)}.toc li a[aria-current=page]{background:var(--surface);color:var(--ink);box-shadow:inset 3px 0 0 var(--accent,var(--brand));font-weight:600}.toc .num{color:var(--muted);font-variant-numeric:tabular-nums}.toc-toggle{display:none}@media (max-width:900px){.reader{grid-template-columns:minmax(0,1fr);gap:16px}.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);max-height:none;padding:8px;display:none;position:static}.toc.open{display:block}.toc-toggle{display:inline-flex}}.s1{--accent:var(--s1);--accent-soft:var(--s1-soft)}.s2{--accent:var(--s2);--accent-soft:var(--s2-soft)}.s3{--accent:var(--s3);--accent-soft:var(--s3-soft)}.chap-head{border-left:5px solid var(--accent);margin-bottom:24px;padding:4px 0 4px 18px}.chap-head .eyebrow{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-size:13px;font-weight:700}.chap-head h1{margin-top:4px;font-size:clamp(1.6rem,3vw,2.1rem)}.chap-head h1 .cn{color:var(--muted);font-variant-numeric:tabular-nums;margin-right:10px;font-weight:600}.overview{background:var(--accent-soft);border-radius:var(--radius);margin-bottom:28px;padding:18px 20px}.overview 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var(--line);cursor:zoom-in;background:#fff;border-radius:6px;max-width:100%;padding:0;display:block}.shot img{border-radius:5px;height:auto;display:block}.pager{flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:32px;display:flex}.pager a{color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex:240px;gap:2px;padding:14px 16px;text-decoration:none;display:grid}.pager a:hover{border-color:var(--brand)}.pager a span{color:var(--muted);font-size:13px}.pager a.next{text-align:right}.checklist{gap:10px;display:grid}.crow{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);grid-template-columns:36px 1fr auto;align-items:center;gap:14px;padding:14px 16px;display:grid}.crow .ckn{border:2px solid var(--accent);width:30px;height:30px;color:var(--accent);border-radius:50%;place-items:center;font-size:13px;font-weight:700;display:grid}.crow b{display:block}.crow span{color:var(--ink-2);font-size:15px}@media 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0;padding:0;list-style:none;display:grid}.hit{border-left:4px solid var(--accent);padding:16px 18px}.hit-head h3{margin-top:2px;font-size:1.15rem}.hit-head h3 a{color:var(--ink);text-decoration:none}.hit-head h3 a:hover{text-decoration:underline}.hit-why{color:var(--muted);flex-wrap:wrap;align-items:center;gap:8px;margin:4px 0 0;font-size:14px;display:flex}.tag{background:var(--accent-soft,var(--brand-soft));color:var(--accent,var(--brand));border-radius:99px;padding:2px 8px;font-size:12px;font-weight:700}.snips{gap:6px;margin:10px 0 0;padding:0;list-style:none;display:grid}.snips a{background:var(--bg);color:var(--ink-2);border-radius:8px;grid-template-columns:92px 1fr;gap:10px;padding:8px 10px;font-size:14.5px;line-height:1.5;text-decoration:none;display:grid}.snips a:hover{background:var(--line-2);color:var(--ink)}.snip-label{color:var(--ink);padding-top:1px;font-size:13px;font-weight:700}.snip-text{color:inherit}.hit mark{color:inherit;background:#fde68a;border-radius:3px;padding:0 2px}.hit .more{margin:8px 0 0}@media (max-width:560px){.snips a{grid-template-columns:minmax(0,1fr);gap:2px}}table.keys{border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);width:100%}table.keys td,table.keys th{border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top;padding:10px 12px}table.keys th{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:12px}dialog.lightbox{background:0 0;border:none;max-width:96vw;max-height:94vh;padding:0}dialog.lightbox::backdrop{background:#0a1018d1}dialog.lightbox img{image-rendering:auto;background:#fff;border-radius:6px;width:auto;max-width:96vw;height:auto;max-height:86vh;display:block}dialog.lightbox .lb-bar{justify-content:flex-end;margin-bottom:8px;display:flex}dialog.lightbox button{color:#142231;font:inherit;cursor:pointer;background:#fff;border:none;border-radius:6px;padding:6px 12px;font-weight:600}.prose a.xref{font-weight:600}.reader>:first-child{align-self:stretch}.outline .back{color:var(--ink-2);padding:6px 8px;font-weight:600;text-decoration:none;display:block}.outline .back:hover{color:var(--ink)}.outline .place{letter-spacing:.06em;text-transform:uppercase;color:var(--accent,var(--brand));margin:2px 8px 10px;font-size:12px;font-weight:700}.outline ol{gap:1px;margin:0;padding:0;list-style:none;display:grid}.outline ol a{color:var(--ink-2);border-radius:6px;grid-template-columns:minmax(0,1fr);gap:1px;padding:6px 10px;line-height:1.35;text-decoration:none;display:grid}.outline ol a:hover{background:var(--line-2);color:var(--ink)}.outline ol a[aria-current=location]{background:var(--surface);color:var(--ink);box-shadow:inset 3px 0 0 var(--accent,var(--brand))}.outline .ol-label{color:var(--ink);font-size:13px;font-weight:600}.outline .ol-preview{color:var(--muted);font-size:13px}.outline .up-next{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;gap:2px;margin-top:14px;padding:10px 12px;font-size:14px;font-weight:600;text-decoration:none;display:grid}.outline .up-next:hover{border-color:var(--accent,var(--brand))}.outline .up-next span{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:700}.step-title{margin:2px 0 8px;font-size:1.1rem}.overview,.crow{scroll-margin-top:90px}@media (max-width:900px){.topbar{position:static}.step,.overview,.crow{scroll-margin-top:12px}}