@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,600;1,8..60,400&family=Noto+Serif+SC:wght@400;600&family=Noto+Serif+TC:wght@400;600&family=Inter:wght@400;500&family=JetBrains+Mono:wght@400;500&display=swap');:root{--font-serif:'Source Serif 4','Noto Serif SC','Noto Serif TC',Georgia,serif;--font-sans:'Noto Sans SC','Source Sans Pro',-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;--font-mono:'JetBrains Mono','Courier New',monospace;--sidebar-width:190px;--sidebar-padding-x:2.5rem;--sidebar-padding-y:3.5rem;--sidebar-total-width:calc(var(--sidebar-width) + 5rem + 1px);--text:#1e1e1e;--muted:#666666;--border:#dcdcda;--bg:#f2f4f5;--accent:#2d5a27;--code-bg:#efefed;--max-width:930px;--sidenote-right-width:260px;--sidenote-left-width:120px;--sidenote-gap:1.35rem;--sidenote-right-padding:0.25rem}@media (prefers-color-scheme:dark){:root{--text:#e8e8e4;--muted:#9a9a94;--border:#3a3a36;--bg:#1e1f1c;--accent:#6aaa5f;--code-bg:#27281f}}html{font-size:18px;box-sizing:border-box}*,*::before,*::after{box-sizing:inherit}body{font-family:var(--font-serif);color:var(--text);background:var(--bg);margin:0;padding:0;line-height:1.75;overflow-x:clip}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:-9999px;top:1rem;padding:0.65rem 0.9rem;background:var(--text);color:var(--bg);border-radius:4px;transform:translateY(-120%);transition:transform 0.15s ease;z-index:100;border-bottom:none}.skip-link:focus{left:1rem;transform:translateY(0)}h1{font-family:var(--font-serif);font-size:1.8rem;font-weight:600;line-height:1.3;margin-bottom:0.25rem;margin-top:0}h2,h3,h4,h5,h6{font-family:var(--font-serif)}h2{font-size:1.35rem;margin-top:2.5rem}h3{font-size:1.1rem;margin-top:2rem}h4{font-size:1rem;margin-top:1.75rem}h5{font-size:0.95rem;margin-top:1.5rem}h6{font-size:0.9rem;margin-top:1.25rem}h2,h3{font-weight:600;line-height:1.4}p{margin:1.2rem 0;text-align:justify;hyphens:auto}hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}img{max-width:100%;height:auto}a{color:var(--accent);text-decoration:none;transition:color 0.15s}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}main p a,main li a,main blockquote a,main td a,main th a,.callout a{text-decoration:underline;text-decoration-color:rgba(45,90,39,0.45);text-underline-offset:3px;transition:text-underline-offset 0.15s ease,text-decoration-color 0.15s ease,color 0.15s ease}main p a:hover,main li a:hover,main blockquote a:hover,main td a:hover,main th a:hover,.callout a:hover{text-decoration-color:var(--accent);text-underline-offset:2px}main p a:focus-visible,main li a:focus-visible,main blockquote a:focus-visible,main td a:focus-visible,main th a:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px;text-decoration:none}