/* Match the personal homepage; club styles remain scoped to its own shell. */
:root{--paper:#f5f1e8;--paper-2:#ece6da;--ink:#171713;--muted:#68665f;--line:#1c1c18;--blue:#315ee8;--orange:#ff6946;--violet:#8d6ade;--green:#4bb477;--card:#fbf8f1;--serif:Georgia,"Times New Roman","Songti SC",SimSun,serif;--sans:Arial,"Noto Sans SC","Microsoft YaHei",sans-serif;--sage:var(--blue);--link:var(--blue);--editorial-ink:var(--ink);--editorial-accent:var(--blue);--editorial-muted:var(--muted);--editorial-line:var(--soft);--editorial-card:var(--card);--editorial-soft:var(--paper-2);--editorial-image:#fff}
html[data-theme=dark]{--paper:#141414;--paper-2:#1d1d1b;--ink:#f3efe7;--muted:#aaa69d;--line:#eee9df;--card:#1a1a18;--blue:#7294ff;--orange:#ff896f;--violet:#b69af5;--green:#67d495}
body{font-family:var(--sans);background:radial-gradient(color-mix(in srgb,var(--ink) 8%,transparent) .7px,transparent .7px),var(--paper);background-size:18px 18px}
.wordmark-copy small{font-size:10px;letter-spacing:.1em}.sidebar-source{margin:28px 10px 0;font:12px/1.6 ui-monospace,monospace;color:var(--muted)}
.reading-layout{grid-template-columns:minmax(0,760px) 170px;gap:40px}.markdown-body{font-size:16px;line-height:1.9}.markdown-body h1{color:var(--ink)}.markdown-body h2{color:var(--ink);font-family:var(--serif);border-bottom:0;padding-bottom:0}.markdown-body strong{color:var(--ink)}.markdown-body a{color:var(--blue)}.markdown-body figcaption{color:var(--muted)}
.home .reading-layout{grid-template-columns:minmax(0,900px)}.home .markdown-body h1{color:var(--blue)}.home .home-section{display:block;padding-top:26px}.home .home-section h2{border:0;color:var(--ink);margin-bottom:24px}.home .home-section h2:before{display:inline-block;margin:0 15px 0 0}.home .home-section p{max-width:780px}.home .home-section strong{font-size:inherit}.home .home-section strong a{color:var(--blue)}.home .home-section h2{font-size:28px}
.paper-card{border-radius:0;box-shadow:3px 3px 0 var(--soft)}.paper-card:hover{box-shadow:5px 5px 0 var(--soft)}.concept-figure{border-radius:0}.qa{background:transparent;border-bottom-color:var(--soft)}.qa summary{font-size:17px}.qa-tools{font-family:var(--sans)}.markdown-body table{background:var(--card)}.markdown-body th{background:var(--paper-2)}
@media(max-width:1200px){.reading-layout{grid-template-columns:minmax(0,760px)}}
@media(max-width:800px){.reading-layout{display:block}.header-actions{gap:14px}.home .home-section h2{font-size:25px}.home .markdown-body h1{font-size:38px}.home .home-section h2:before{font-size:11px}.site-header .wordmark-copy small{font-size:9px}}
@media print{body{background:#fff}.reading-layout{display:block}}
.ai4x-expanded{--science:var(--blue);--science-warm:var(--orange)}