:root{color-scheme:light;--paper:#f6f7f5;--panel:#fcfcfb;--panel-sunk:#eff1ee;--ink:#171c1a;--ink-soft:#39433f;--ink-muted:#667069;--ink-faint:#98a19b;--line:#dfe3dd;--line-strong:#c4cbc3;--accent:#1b4b7f;--accent-soft:#4c7bae;--mark:#a33b22;--mark-wash:#f0e2dc;--code-bg:#f1f3f0;--code-line:#e4e7e2;--grid:color-mix(in srgb, var(--ink) 7%, transparent);--font-sans:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;--font-serif:"Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;--font-mono:"JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--measure:66ch;--page-max:1120px;--rail:8.5rem;--gutter:clamp(1.15rem, 4vw, 3.25rem);--s1:.25rem;--s2:.5rem;--s3:.75rem;--s4:1rem;--s5:1.5rem;--s6:2rem;--s7:3rem;--s8:4.5rem;--s9:7rem;--ease:cubic-bezier(.22, .68, .35, 1)}[data-theme=dark]{color-scheme:dark;--paper:#0d1113;--panel:#131819;--panel-sunk:#191f20;--ink:#e6eae7;--ink-soft:#bac3bd;--ink-muted:#838e88;--ink-faint:#5a6560;--line:#222a29;--line-strong:#303a38;--accent:#7fb2e0;--accent-soft:#5a8fc0;--mark:#e08a6e;--mark-wash:#2a1d18;--code-bg:#111617;--code-line:#1b2223}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5.5rem}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}body{background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-feature-settings:"kern" 1, "liga" 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var(--s3);color:var(--ink-soft);font-size:1.05rem}.prose :is(h2,h3,h4)>a.anchor{text-align:right;width:1.1rem;color:var(--ink-faint);font-family:var(--font-mono);opacity:0;transition:opacity .2s var(--ease), color .2s var(--ease);font-weight:400;position:absolute;left:-1.3rem}.prose :is(h2,h3,h4):hover>a.anchor{opacity:1}.prose :is(h2,h3,h4)>a.anchor:hover{color:var(--accent)}@media (width<=68rem){.prose :is(h2,h3,h4)>a.anchor{opacity:.35;margin-right:.35rem;position:static}}.prose p{margin:0 0 var(--s4)}.prose a{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--accent) 38%, transparent);text-underline-offset:.22em;transition:text-decoration-color .22s var(--ease), color .22s var(--ease);text-decoration-thickness:1px}.prose a:hover{text-decoration-color:currentColor}.prose strong{color:var(--ink);font-weight:650}.prose ul,.prose ol{margin:0 0 var(--s4);padding-left:1.5rem}.prose li{margin-bottom:.4rem}.prose li::marker{color:var(--ink-faint)}.prose ul ul,.prose ol ol,.prose ul ol,.prose ol ul{margin-top:.4rem;margin-bottom:0}.prose input[type=checkbox]{accent-color:var(--accent);margin-right:.4rem}.prose blockquote{margin:var(--s5) 0;padding:.9rem var(--s5);border-left:3px solid var(--mark);background:color-mix(in srgb, var(--mark-wash) 55%, transparent);color:var(--ink-soft);font-style:normal}.prose blockquote>:last-child{margin-bottom:0}.prose blockquote p{font-size:1rem}.prose :not(pre)>code{font-family:var(--font-mono);background:var(--code-bg);border:1px solid var(--line);color:var(--ink);word-break:break-word;border-radius:2px;padding:.12em .36em;font-size:.86em}.prose pre{margin:var(--s5) 0;background:var(--code-bg);border:1px solid var(--line);counter-reset:codeline;border-radius:3px;font-size:.875rem;line-height:1.7;overflow:auto}.prose pre>code{font-family:var(--font-mono);padding:var(--s3) 0;background:0 0;border:0;width:max-content;min-width:100%;display:grid}.prose pre code .line{padding-inline:.85rem 1rem;min-height:1.7em;padding-left:3.1rem;display:block;position:relative}.prose pre code .line:before{counter-increment:codeline;content:counter(codeline);text-align:right;width:2.4rem;color:var(--ink-faint);font-variant-numeric:tabular-nums;user-select:none;border-right:1px solid var(--code-line);padding-right:.7rem;position:absolute;top:0;left:0}.prose pre code .line.highlighted{background:color-mix(in srgb, var(--accent) 9%, transparent)}.prose pre code .line.highlighted:before{color:var(--accent);font-weight:600}.prose pre[data-language]:before{content:attr(data-language);margin-bottom:calc(-1 * var(--s3) + .2rem);text-align:right;font-family:var(--font-mono);letter-spacing:.04em;color:var(--ink-faint);user-select:none;pointer-events:none;padding:.45rem .85rem 0;font-size:.7rem;line-height:1;display:block;position:sticky;left:0}.prose pre[data-language=plaintext]:before,.prose pre[data-language=text]:before,.prose pre[data-language=txt]:before{content:none}.prose pre code{letter-spacing:.01em}.prose .astro-code,.prose pre.astro-code{color:var(--shiki-light);background-color:var(--shiki-light-bg)}[data-theme=dark] .prose .astro-code,[data-theme=dark] .prose pre.astro-code{color:var(--shiki-dark);background-color:var(--shiki-dark-bg)}.prose .astro-code span,.prose pre.astro-code span{color:var(--shiki-light)}[data-theme=dark] .prose .astro-code span,[data-theme=dark] .prose pre.astro-code span{color:var(--shiki-dark)}.prose .astro-code,.prose pre.astro-code{background-color:var(--code-bg)!important}.prose table{width:100%;margin:var(--s5) 0;border-collapse:collapse;font-family:var(--font-sans);font-size:.9rem;display:block;overflow-x:auto}@media (width>=48rem){.prose table{display:table}}.prose thead{border-bottom:1px solid var(--line-strong)}.prose th{text-align:left;color:var(--ink);white-space:nowrap;padding:.55rem .75rem;font-weight:600}.prose td{border-top:1px solid var(--line);vertical-align:top;padding:.55rem .75rem}.prose tbody tr:hover{background:color-mix(in srgb, var(--ink) 3%, transparent)}.prose img{margin:var(--s5) auto;border:1px solid var(--line);background:var(--panel);border-radius:3px}[data-theme=dark] .prose img{filter:invert(.92)hue-rotate(180deg)}[data-theme=dark] .prose img[data-raw]{filter:none}.prose hr{background:var(--line);height:1px;margin:var(--s7) 0;border:0}.prose .katex{font-size:1.04em}.prose .katex-display{margin:var(--s5) 0;padding:var(--s3) 0;overflow:auto hidden}.prose p>.katex-display{margin:0}.prose p[style*=text-align]{text-align:center}.prose code.math-inline{display:none}.prose sup{font-size:.75em}.prose kbd{font-family:var(--font-mono);border:1px solid var(--line-strong);background:var(--panel);border-bottom-width:2px;border-radius:3px;padding:.1em .4em;font-size:.8em}.prose mark{background:color-mix(in srgb, var(--mark-wash) 80%, transparent);color:inherit;padding:.05em .2em}.prose :where(.plantuml-source,[data-plantuml]){display:none}