:root{color-scheme:light;--font-display: "Source Serif 4", "Noto Serif SC", "Songti SC", STSong, serif;--font-cjk-serif: "Noto Serif SC", "Songti SC", STSong, serif;--color-background: #f4f0e6;--color-surface: #faf8f1;--color-surface-raised: #fffdf7;--color-code-surface: #efebe1;--color-text: #20231f;--color-muted: #6e746b;--color-muted-readable: #696f66;--color-border: #d9d5c9;--color-moss: #71806a;--color-dust-blue: #6f7f91;--color-warm-amber: #9b754d;--color-soft-violet: #81758c;--color-clay: #a06f4f;--color-primary: var(--color-moss);--color-secondary: var(--color-clay);--color-focus: #4d6548;--color-action: #596853;--color-secondary-text: #8a5638;--canvas-color-a: #71806a;--canvas-color-b: #6f7f91;--canvas-color-c: #81758c;--click-color-a: #71806a;--click-color-b: #a06f4f;--click-color-c: #6f7f91;--shadow-soft: 0 18px 50px rgb(32 35 31 / 7%);--shadow-card: 0 1px 0 rgb(32 35 31 / 4%), 0 14px 36px rgb(32 35 31 / 6%);--content-width: 74rem;--reading-width: 46rem;--radius-small: .55rem;--radius-medium: 1rem;--radius-large: 1.5rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 5rem}:root[data-theme=dark]{color-scheme:dark;--color-background: #10151c;--color-surface: #171e27;--color-surface-raised: #1d2631;--color-code-surface: #121922;--color-text: #e8e2d8;--color-muted: #9ba6a3;--color-muted-readable: #9ba6a3;--color-border: #303a43;--color-moss: #83a18d;--color-dust-blue: #829bb1;--color-warm-amber: #bf9667;--color-soft-violet: #928bae;--color-clay: #ad7d65;--color-primary: var(--color-moss);--color-secondary: var(--color-clay);--color-focus: var(--color-warm-amber);--color-action: var(--color-moss);--color-secondary-text: var(--color-warm-amber);--canvas-color-a: #83a18d;--canvas-color-b: #829bb1;--canvas-color-c: #928bae;--click-color-a: #829bb1;--click-color-b: #83a18d;--click-color-c: #928bae;--shadow-soft: 0 18px 50px rgb(3 8 13 / 28%);--shadow-card: 0 1px 0 rgb(232 226 216 / 3%), 0 14px 36px rgb(3 8 13 / 22%)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--color-background: #10151c;--color-surface: #171e27;--color-surface-raised: #1d2631;--color-code-surface: #121922;--color-text: #e8e2d8;--color-muted: #9ba6a3;--color-muted-readable: #9ba6a3;--color-border: #303a43;--color-moss: #83a18d;--color-dust-blue: #829bb1;--color-warm-amber: #bf9667;--color-soft-violet: #928bae;--color-clay: #ad7d65;--color-primary: var(--color-moss);--color-secondary: var(--color-clay);--color-focus: var(--color-warm-amber);--color-action: var(--color-moss);--color-secondary-text: var(--color-warm-amber);--canvas-color-a: #83a18d;--canvas-color-b: #829bb1;--canvas-color-c: #928bae;--click-color-a: #829bb1;--click-color-b: #83a18d;--click-color-c: #928bae;--shadow-soft: 0 18px 50px rgb(3 8 13 / 28%);--shadow-card: 0 1px 0 rgb(232 226 216 / 3%), 0 14px 36px rgb(3 8 13 / 22%)}}@font-face{font-family:"Source Serif 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11rem)}.hero{position:relative;display:grid;overflow:clip;min-height:clamp(34rem,72vh,46rem);place-items:center;padding-block:var(--space-8);text-align:center;isolation:isolate}.hero__inner{position:relative;z-index:1;width:min(100%,64rem)}.home-canvas{position:absolute;z-index:0;inset:0;width:100%;height:100%;opacity:1;pointer-events:none}.globe-earth{position:relative;z-index:1;width:clamp(15rem,25vw,20rem);aspect-ratio:1;justify-self:end;opacity:.9;touch-action:none}.globe-earth__canvas{display:block;width:100%;height:100%;cursor:grab;filter:saturate(.82)}.globe-earth__canvas:active{cursor:grabbing}:root[data-theme=dark] .globe-earth{opacity:.94}.globe-earth:focus-visible{border-radius:50%;outline:2px solid var(--color-focus);outline-offset:.2rem}.hero__intro{max-width:38rem;margin:var(--space-6) auto 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14%,transparent);color:var(--color-text);font-size:.68rem}.home-sections{position:relative;padding-top:var(--space-5);padding-bottom:var(--space-8)}.home-sections:before{position:absolute;top:0;right:clamp(1rem,8vw,7rem);left:clamp(1rem,8vw,7rem);height:1px;background:color-mix(in srgb,var(--color-border) 76%,transparent);content:""}.home-section{padding-block:var(--space-7);border-top:1px solid var(--color-border)}.home-section>header{display:grid;grid-template-columns:1fr auto;align-items:end;margin-bottom:var(--space-6)}.home-section>header .eyebrow{grid-column:1 / -1}.home-section>header a{display:inline-flex;min-height:2.75rem;align-items:center}.home-section h2,.home-empty h2{margin:0;font-family:var(--font-display);font-size:clamp(2rem,4vw,3.4rem);font-weight:400;letter-spacing:0;line-height:1.12;text-wrap:balance}.home-empty{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:var(--space-5);max-width:42rem;margin-inline:auto;padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-large);background:color-mix(in srgb,var(--color-surface) 88%,transparent);box-shadow:var(--shadow-card)}.home-empty p:last-child{margin-bottom:0;color:var(--color-muted-readable)}.page-shell,.article-shell,.not-found{padding-block:clamp(3.5rem,8vw,7rem)}.article-shell{width:min(calc(100% - 2rem),var(--content-width));margin-inline:auto}.article-reading-grid{display:grid;grid-template-columns:minmax(0,var(--reading-width)) minmax(11rem,15rem);justify-content:center;gap:clamp(2rem,6vw,5rem);align-items:start}.page-header,.article-header{max-width:48rem;margin-bottom:var(--space-7)}.page-header h1{max-width:18ch;margin:0;font-family:var(--font-display);font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:400;letter-spacing:0;line-height:1.1;text-wrap:balance}.article-header h1,.not-found 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a{position:relative;display:inline-flex;min-height:2.75rem;align-items:center;color:var(--color-muted-readable);font-family:ui-sans-serif,system-ui,sans-serif;font-size:.88rem;text-decoration:none}.search-trigger{display:inline-flex;min-height:2.75rem;align-items:center;gap:var(--space-2);padding-inline:.7rem;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);color:var(--color-muted-readable);cursor:pointer;font:.78rem ui-sans-serif,system-ui,sans-serif}.search-trigger:hover,.search-trigger:focus-visible{border-color:color-mix(in srgb,var(--color-warm-amber) 62%,var(--color-border));color:var(--color-warm-amber)}.search-trigger kbd{color:inherit;font:inherit}.site-nav a[aria-current=page]{color:var(--color-text)}.site-nav a[aria-current=page]:after{position:absolute;right:0;bottom:.32rem;left:0;height:1px;background:var(--color-moss);content:""}.theme-control{display:inline-flex;gap:.2rem;padding:.2rem;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface)}.theme-control button{min-height:2.75rem;padding:.3rem .62rem;border:0;border-radius:999px;background:transparent;color:var(--color-muted-readable);cursor:pointer;font-family:ui-sans-serif,system-ui,sans-serif;font-size:.75rem;transition:background-color .15s ease,color .15s ease,transform .15s ease}.theme-control button[aria-pressed=true]{background:var(--color-action);color:var(--color-background)}.theme-control button:active{transform:scale(.97)}.site-footer{border-top:1px solid var(--color-border);color:var(--color-muted-readable);font-family:ui-sans-serif,system-ui,sans-serif;font-size:.8rem}.site-footer__mark{display:inline-flex;align-items:center;gap:var(--space-3)}.eyebrow{margin:0 0 var(--space-3);color:var(--color-secondary-text);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.daily-quote{width:min(100%,60rem);margin:var(--space-5) auto 0;padding-inline:clamp(0rem,1.5vw,var(--space-3))}.daily-quote blockquote,.daily-quote p{margin:0}.daily-quote blockquote p{position:relative;max-width:none;color:var(--color-text);font-family:var(--font-display);font-size:clamp(2rem,3.25vw,2.8rem);font-weight:400;letter-spacing:0;line-height:1.17;text-wrap:pretty}.daily-quote--short blockquote p{font-size:clamp(2.25rem,4.2vw,3.55rem);text-wrap:balance}.daily-quote--long blockquote p{font-size:clamp(1.65rem,2.55vw,2.2rem)}.daily-quote blockquote[lang=zh] p{font-family:var(--font-cjk-serif);font-size:clamp(1.9rem,3vw,2.55rem);line-height:1.44}.daily-quote--short blockquote[lang=zh] p{font-size:clamp(2.15rem,3.65vw,3.05rem)}.daily-quote--long blockquote[lang=zh] p{font-size:clamp(1.55rem,2.25vw,1.95rem)}.daily-quote__sizer{display:block}.daily-quote__typing{position:absolute;inset:0;display:none}.daily-quote[data-quote-animation=pending] .daily-quote__sizer,.daily-quote[data-quote-animation=waiting] .daily-quote__sizer,.daily-quote[data-quote-animation=typing] .daily-quote__sizer,.daily-quote[data-quote-animation=complete] .daily-quote__sizer{visibility:hidden}.daily-quote[data-quote-animation=typing] .daily-quote__typing,.daily-quote[data-quote-animation=complete] .daily-quote__typing{display:block}.daily-quote__output{white-space:pre-wrap}.daily-quote__word{white-space:nowrap}.daily-quote__character{display:inline-block}.daily-quote__cursor{display:inline-block;width:.06em;height:.82em;margin-left:.09em;background:color-mix(in srgb,var(--color-warm-amber) 78%,var(--color-text));opacity:0;vertical-align:-.04em}.daily-quote[data-quote-animation=typing] .daily-quote__cursor{animation:quote-cursor-pulse .86s ease-in-out 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var(--color-border);border-radius:var(--radius-large);background:var(--color-surface-raised);color:var(--color-text);box-shadow:0 30px 90px #00000047}.search-dialog::backdrop{background:#1113188c;backdrop-filter:blur(4px)}.search-dialog__header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding-bottom:var(--space-4);border-bottom:1px solid var(--color-border)}.search-dialog__header h2{margin:0;font-size:1.35rem}.search-dialog__close{min-height:2.75rem;padding-inline:.8rem;border:1px solid var(--color-border);border-radius:999px;background:transparent;color:var(--color-text)}.search-dialog__footer{margin:var(--space-5) 0 0;font-size:.8rem;text-align:right}.search-interface{width:min(100%,48rem)}.search-dialog .search-interface{margin-top:var(--space-5)}.search-interface label{display:block;margin-bottom:var(--space-2);color:var(--color-muted-readable);font:.78rem ui-sans-serif,system-ui,sans-serif}.search-interface input{width:100%;min-height:3.4rem;padding-inline:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-surface);color:var(--color-text);font:1rem ui-sans-serif,system-ui,sans-serif}.search-status{min-height:1.4rem;margin:var(--space-3) 0;color:var(--color-muted-readable);font:.78rem ui-sans-serif,system-ui,sans-serif}.search-results{display:grid;gap:var(--space-3);margin:0;padding:0;list-style:none}.search-results a{display:grid;gap:var(--space-2);padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-medium);color:var(--color-text);text-decoration:none}.search-results a:hover{border-color:var(--color-primary)}.search-results a:focus-visible{border-color:var(--color-warm-amber)}.search-results span{color:var(--color-muted-readable);font-size:.86rem}.content-card{--card-accent: var(--color-moss);position:relative;height:100%;overflow:hidden;padding:var(--space-5);border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--color-surface);box-shadow:var(--shadow-card);transition:border-color .18s ease,transform .18s ease,background-color .18s ease}.content-card:before{position:absolute;top:0;left:var(--space-5);width:3.5rem;height:2px;background:color-mix(in srgb,var(--card-accent) 68%,transparent);content:"";transition:width .18s ease,background-color .18s ease}.content-card[data-content-type=notes]{--card-accent: var(--color-dust-blue)}.content-card[data-content-type=labs]{--card-accent: var(--color-clay)}.content-card[data-content-type=essays]{--card-accent: var(--color-soft-violet)}.content-card:hover,.content-card:focus-within{border-color:color-mix(in srgb,var(--card-accent) 58%,var(--color-border));background:color-mix(in srgb,var(--color-surface) 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nav{display:grid;padding-block:var(--space-4)}.mobile-menu nav a{position:relative;padding-block:.72rem;border-bottom:1px solid var(--color-border);font-size:1.35rem;text-decoration:none}.mobile-menu nav a[aria-current=page]{border-bottom-color:color-mix(in srgb,var(--color-moss) 62%,var(--color-border));color:var(--color-moss)}@media(hover:none){.content-card:hover{transform:none}}.mobile-menu__theme{padding-top:var(--space-5);color:var(--color-muted-readable);font-family:ui-sans-serif,system-ui,sans-serif;font-size:.8rem}@media(max-width:60rem){.site-nav{display:contents}.site-nav>:is(a,.search-trigger,.theme-control){display:none}.mobile-menu-trigger{display:inline-flex;align-items:center}.site-header__inner{gap:var(--space-3)}}@media(max-width:30rem){.daily-quote{margin-top:var(--space-5);padding-inline:0}.daily-quote blockquote p{font-size:1.68rem}.daily-quote--short blockquote p{font-size:1.98rem}.daily-quote--long blockquote p{font-size:1.42rem}.daily-quote blockquote[lang=zh] p{font-size:1.62rem}.daily-quote--short blockquote[lang=zh] p{font-size:1.86rem}.daily-quote--long blockquote[lang=zh] p{font-size:1.38rem}}.prose{width:min(100%,var(--reading-width));min-width:0;margin-inline:auto;color:var(--color-text);font-size:clamp(1rem,1.5vw,1.08rem);line-height:1.78}.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}.prose :is(h2,h3,h4){position:relative;scroll-margin-top:7rem;font-family:var(--font-display);font-weight:400;letter-spacing:0;line-height:1.24;text-wrap:balance}.prose h2{margin:3.4rem 0 1rem;padding-top:.6rem;border-top:1px solid var(--color-border);font-size:clamp(1.7rem,4vw,2.35rem)}.prose h3{margin:2.5rem 0 .8rem;font-size:1.45rem}.prose h4{margin:2rem 0 .7rem;font-size:1.16rem}.prose :is(p,ul,ol,blockquote,pre,table,figure,.katex-display,.content-block){margin-block:1.25rem}.prose :is(ul,ol){padding-left:1.35rem}.prose li+li{margin-top:.4rem}.prose a{color:var(--color-action);text-decoration-thickness:.08em;text-underline-offset:.2em}.prose blockquote{margin-inline:0;padding:.25rem 0 .25rem var(--space-5);border-left:3px solid var(--color-primary);color:var(--color-muted-readable);font-style:italic}.prose :not(pre)>code,.prose kbd{padding:.12em .35em;border:1px solid var(--color-border);border-radius:.3rem;background:var(--color-surface);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.88em}.prose pre{position:relative;max-width:100%;overflow-x:auto;padding:1.15rem;border:1px solid var(--color-border);border-radius:var(--radius-medium);background:var(--shiki-light-bg, var(--color-code-surface))!important;font-size:.86rem;line-height:1.65;tab-size:2}.astro-code,.astro-code span{color:var(--shiki-light)}[data-theme=dark] :is(.astro-code,.astro-code span){color:var(--shiki-dark)}[data-theme=dark] .astro-code{background:var(--color-code-surface)!important}.prose pre 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.heading-anchor,.heading-anchor:focus-visible{opacity:1}.prose table{display:block;width:max-content;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:.92rem}.prose :is(th,td){padding:.65rem .8rem;border:1px solid var(--color-border);text-align:left}.prose th{background:var(--color-surface)}.prose img{max-width:100%;height:auto;border-radius:var(--radius-medium)}.prose .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;padding-block:.5rem}.content-block{padding:var(--space-5);border:1px solid var(--color-border);border-left:4px solid var(--color-primary);border-radius:var(--radius-medium);background:color-mix(in srgb,var(--color-surface) 90%,var(--color-primary))}.content-block--proof{border-left-color:var(--color-secondary);background:color-mix(in srgb,var(--color-surface) 92%,var(--color-secondary))}.content-block__label{margin:0 0 var(--space-3)!important;color:var(--color-action);font-family:ui-sans-serif,system-ui,sans-serif;font-size:.82rem;font-weight:750;letter-spacing:.08em;text-transform:uppercase}.content-block>:last-child{margin-bottom:0}@media(prefers-reduced-motion:reduce){.prose{scroll-behavior:auto}.reading-progress span,.heading-anchor{transition:none}}@media(max-width:48rem){.heading-anchor{right:.15rem;left:auto}}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}