:root{color-scheme:dark;--bg:#182528;--surface:#2e2825;--text:#f5e7d0;--muted:#cbbba6;--accent:#e29a49;--accent-ink:#1c140c;--danger:#c26855;--success:#91a675;--header:#0b1c20;--wordmark:#f1e5d0;--rail:#0e2226;--line:#594c41;--bar:64px;--radius:6px;--measure:68ch}html[data-theme=light]{color-scheme:light;--bg:#f3eee4;--surface:#fffaf3;--text:#1c2426;--muted:#5c5348;--accent:#9a5b16;--accent-ink:#fffaf3;--danger:#8d3b2e;--success:#3f6b32;--header:#102226;--wordmark:#f1e5d0;--rail:#e7dfd2;--line:#c9bba8}html[lang^=zh],html[lang^=ja],html[lang=ko],html[lang=th]{--measure:42em}*,:before,:after{box-sizing:border-box}html{overflow-x:clip}[hidden]{display:none!important}body{background:var(--bg);color:var(--text);margin:0;font-family:Work Sans,system-ui,Noto Sans,Noto Sans CJK,Noto Sans 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var(--line);flex-direction:column;min-width:200px;max-height:min(70vh,480px);padding:6px;display:flex;position:absolute;right:12px;overflow:auto}[data-language-menu] a{color:var(--wordmark);align-items:center;min-height:44px;padding:8px 10px;text-decoration:none;display:flex}[data-language-menu] a[aria-current=true]{color:var(--accent)}.rail{display:none}[data-mobile-nav-panel]{z-index:40;top:var(--bar);background:var(--header);flex-direction:column;padding:12px 16px 32px;display:flex;position:fixed;bottom:0;left:0;right:0;overflow:auto}[data-mobile-nav-panel] a{color:var(--wordmark);border-bottom:1px solid #efd5aa2e;align-items:center;min-height:48px;font-size:1.15rem;text-decoration:none;display:flex}main{padding:20px 20px 72px}.lede,.note{border-left:3px solid var(--accent);padding-left:14px}.task-slip{margin:0 0 1.25rem}.task-slip a{background:var(--accent);min-height:44px;color:var(--accent-ink);border-radius:var(--radius);align-items:center;padding:8px 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no-repeat;border:0;width:100%;height:100%;padding:0;position:absolute;inset:0}.yt-player-mount{position:absolute;inset:0}.yt-player-mount[hidden]{display:none}.yt-play{background:var(--accent);max-width:calc(100% - 24px);min-height:44px;color:var(--accent-ink);border-radius:var(--radius);align-items:center;gap:8px;padding:8px 12px;font-weight:600;display:inline-flex;position:absolute;top:12px;left:12px}.ad-slot-wrap{background:0 0}.ad-slot{border:1px solid var(--line);background:0 0}.ad-label{color:var(--muted)}.site-foot{border-top:1px solid var(--line);color:var(--muted);padding:28px 20px 48px}.site-foot a{color:var(--text)}.to-top{z-index:25;background:var(--surface);min-height:44px;color:var(--text);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;padding:8px 12px;position:fixed;bottom:16px;right:16px}dl.fields{margin:0 0 1rem}dl.fields div{border-bottom:1px solid var(--line);grid-template-columns:minmax(8rem,34%) 1fr;gap:8px 16px;padding:8px 0;display:grid}dt{color:var(--muted)}dd{margin:0}@media (width>=1024px){[data-mobile-nav-toggle]{display:none}[data-mobile-nav-panel]{display:none!important}.rail{top:var(--bar);z-index:30;background:var(--rail);width:240px;color:var(--text);border-left:1px solid var(--line);flex-direction:column;padding:20px 14px;display:flex;position:fixed;bottom:0;right:0;overflow:auto}html[data-theme=light] .rail{color:#1c2426}.rail-kicker{color:var(--accent);letter-spacing:.14em;text-transform:uppercase;margin:0 0 16px;font-size:.75rem}[data-site-navigation]{flex-direction:column;gap:2px;display:flex}[data-site-navigation] a{min-height:44px;color:inherit;border-left:2px solid #0000;padding:10px 12px;text-decoration:none;display:block}[data-site-navigation] a[aria-current=page]{border-left-color:var(--accent);color:var(--accent)}html[data-theme=light] [data-site-navigation] a[aria-current=page]{color:#8a4e12}main{margin-right:240px;padding:32px max(32px,50% - 400px) 80px}.to-top{right:256px}}@media (width<=1023px){.rail{display:none!important}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}