:root{color-scheme:light;--ink:#122334;--muted:#586977;--line:#d8e1e8;--accent:#006f76;--paper:#f2f6f8}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-underline-offset:3px}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer}header{background:#102c3b;color:#fff;padding:24px max(24px,calc((100vw - 1240px)/2));display:flex;justify-content:space-between;align-items:center;gap:20px}header a{color:white;text-decoration:none}.brand{font-size:20px;font-weight:700}.eyebrow{font-size:13px;letter-spacing:.14em;color:#9bd9dc;text-transform:uppercase}.lang{background:transparent;border:1px solid #6c8b99;color:white;padding:8px 15px;border-radius:6px}main{max-width:1288px;margin:auto;padding:30px 24px 70px}.intro{display:flex;justify-content:space-between;align-items:end;gap:20px;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:26px}h1{font-size:clamp(28px,4vw,40px);line-height:1.25;margin:8px 0 10px;letter-spacing:-.025em}p{margin:8px 0 18px}.intro p{color:var(--muted);max-width:730px}.stats{font-size:14px;color:var(--muted);white-space:nowrap}.stats strong{font-size:30px;color:var(--ink);padding-right:6px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden;display:flex;flex-direction:column}.cardtop{padding:23px 23px 16px;border-top:4px solid var(--accent)}.card h2{font-size:24px;margin:0 0 10px}.num{float:right;color:#7893a2;font-size:14px}.scope{color:var(--muted);min-height:52px;font-size:15px}.actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.primary{background:var(--ink);color:white;text-decoration:none;padding:8px 14px;border-radius:5px}.secondary{border:1px solid var(--line);padding:7px 12px;border-radius:5px;text-decoration:none}.files{margin-top:auto;background:#f8fafb;border-top:1px solid var(--line);padding:13px 23px;font-size:14px;display:flex;gap:18px;flex-wrap:wrap}details{font-size:14px;margin-top:13px}summary{cursor:pointer;color:var(--muted)}.extras{display:flex;flex-direction:column;padding:8px 0;gap:7px;overflow-wrap:anywhere}.reading{display:grid;grid-template-columns:230px minmax(0,1fr);gap:35px;align-items:start}.toc{position:sticky;top:18px;max-height:calc(100vh - 36px);overflow:auto;font-size:14px}.toc a{display:block;text-decoration:none;border-left:2px solid var(--line);padding:6px 12px;color:var(--muted)}.toc a:hover{border-color:var(--accent);color:var(--accent)}article{background:white;border:1px solid var(--line);border-radius:8px;padding:32px;min-width:0;overflow-wrap:anywhere}article h1{font-size:30px}article h2{margin:40px 0 14px;font-size:24px;scroll-margin-top:20px}article h3{font-size:19px;margin-top:28px}article p{line-height:1.85}article table{border-collapse:collapse;font-size:14px;min-width:600px;width:100%}article td,article th{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}article th{background:#eaf1f5}.table-scroll{overflow-x:auto;margin:20px 0}pre{overflow:auto;background:#eff4f6;padding:18px;font-size:14px}blockquote{border-left:3px solid var(--accent);margin:20px 0;padding-left:20px;color:var(--muted)}.readerbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:25px}.readerbar .back{margin-right:auto}.footer{color:var(--muted);border-top:1px solid var(--line);margin-top:32px;padding-top:20px;font-size:14px}.mermaid{overflow:auto}.mermaid svg{max-width:100%;height:auto}@media(max-width:1000px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading{grid-template-columns:180px minmax(0,1fr);gap:20px}article{padding:24px}}@media(max-width:680px){header{padding:20px;align-items:start}.brand{font-size:17px}.eyebrow{font-size:12px}.intro{display:block}.stats{margin-top:20px}.grid{grid-template-columns:1fr}.scope{min-height:0}main{padding:24px 16px}.reading{display:block}.toc{position:static;max-height:220px;margin-bottom:25px;background:white;border:1px solid var(--line);padding:12px}article{padding:20px 16px}article h1{font-size:25px}.lang{white-space:nowrap;font-size:14px}h1{font-size:30px}}@media print{header,.toc,.readerbar{display:none}.reading{display:block}article{border:0;padding:0}.table-scroll{overflow:visible}}

article img{max-width:100%;height:auto}

.note-body{max-width:850px;margin:auto}.note-meta{color:#586977;font-size:14px}.notes-pending{margin-top:34px;padding-top:20px;border-top:1px solid #d8e1e8}.notes-pending li{margin:9px 0}mjx-container[display="true"]{overflow-x:auto;overflow-y:hidden;padding:10px 0}

h4{font-size:16px;margin-top:22px}