:root{--screen-unit:1px}@font-face{font-family:"Aileron";src:url("/fonts/Aileron-Regular.otf") format("opentype");font-weight:400 500;font-style:normal;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-Italic.otf") format("opentype");font-weight:400 500;font-style:italic;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-SemiBold.otf") format("opentype");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-SemiBoldItalic.otf") format("opentype");font-weight:600;font-style:italic;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-Bold.otf") format("opentype");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-BoldItalic.otf") format("opentype");font-weight:700;font-style:italic;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-Heavy.otf") format("opentype");font-weight:800;font-style:normal;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-HeavyItalic.otf") format("opentype");font-weight:800;font-style:italic;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-Black.otf") format("opentype");font-weight:900;font-style:normal;font-display:swap}
@font-face{font-family:"Aileron";src:url("/fonts/Aileron-BlackItalic.otf") format("opentype");font-weight:900;font-style:italic;font-display:swap}
:root{--color-canvas:#f6f7fa;--color-surface:#fff;--color-ink:#17253c;--color-muted:#657086;--color-brand:#365cc9;--color-border:#e0e4ed;--font-size-display:56px;--font-size-heading:32px;--font-size-card:23px;--font-size-body:16px;--font-size-reading:17px;--font-size-caption:calc(12 * var(--screen-unit));font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--color-ink);background:var(--color-canvas);font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:105px}
@media(max-width:700px){:root{scroll-padding-top:80px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}

@font-face{font-family:"Source Han Sans";src:url('/fonts/SourceHanSansSC-Regular.woff2?v=20260922-lu-articles') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:"Source Han Sans";src:url('/fonts/SourceHanSansSC-Medium.woff2?v=20260922-lu-articles') format('woff2');font-style:normal;font-weight:500 600;font-display:swap}
@font-face{font-family:"Source Han Sans";src:url('/fonts/SourceHanSansSC-Bold.woff2?v=20260922-lu-articles') format('woff2');font-style:normal;font-weight:700 900;font-display:swap}
:root{font-family:"Chinese Quotes","Aileron","Source Han Sans","Source Han Sans SC","思源黑体",sans-serif;--color-canvas:#fafafa;--color-ink:#1d1d1f;--color-muted:#6e6e73;--color-border:#e5e5e7;--font-size-reading:18px}

:root{--type-small:17px;--type-body:20px;--type-heading:28px;--type-title:44px}
@media(max-width:600px){:root{--type-body:19px;--type-title:32px}}
:root{--type-small:16px;--type-body:20px;--type-heading:30px;--type-title:48px}
:root{--type-title:calc(48 * var(--screen-unit));--type-heading:calc(32 * var(--screen-unit));--type-body:calc(17 * var(--screen-unit));--type-small:calc(14 * var(--screen-unit))}

@font-face{font-family:"Source Han Sans Heavy";src:url('/fonts/SourceHanSansSC-Heavy-headings.woff2') format('woff2');font-weight:900;font-style:normal;font-display:swap}

@font-face{font-family:"Archive Navigation Light";src:url('/fonts/archive-navigation-light.woff2') format('woff2');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Chinese Quotes";src:url("/fonts/ChineseQuotes-Light.woff2") format("woff2");font-weight:300;font-style:normal;font-display:swap;unicode-range:U+2018-2019,U+201C-201D}
@font-face{font-family:"Chinese Quotes";src:url("/fonts/ChineseQuotes-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap;unicode-range:U+2018-2019,U+201C-201D}
@font-face{font-family:"Chinese Quotes";src:url("/fonts/ChineseQuotes-Medium.woff2") format("woff2");font-weight:500 600;font-style:normal;font-display:swap;unicode-range:U+2018-2019,U+201C-201D}
@font-face{font-family:"Chinese Quotes";src:url("/fonts/ChineseQuotes-Bold.woff2") format("woff2");font-weight:700 900;font-style:normal;font-display:swap;unicode-range:U+2018-2019,U+201C-201D}@font-face{font-family:"Tile ExtraLight";src:url("/fonts/tile-extralight-home.woff2") format("woff2");font-style:normal;font-weight:200;font-display:swap}
:root{--page-gutter:clamp(20px,3.4vw,64px);--paper:var(--color-canvas);--ink:#000;--bg:var(--paper);--fg:var(--color-ink);--frame-paper:#f3f3f1;--rule:rgba(0,0,0,.12);--rule-dark:rgba(255,255,255,.14);--mark:#cf3a2e;--task:var(--color-brand);--ease-out:cubic-bezier(.2,.7,.2,1);--dur-hover:280ms;--dur-reveal:400ms;--theme-duration:.2s;scroll-behavior:auto}@media(min-width:1921px){:root{--screen-unit:clamp(1px,.052083333vw,2px)}}@media(min-width:1921px){
 :root{--page-gutter:calc(64 * var(--screen-unit))}
}@font-face{font-family:"Source Sans 3";src:url('/fonts/SourceSans3VF-Upright.woff2') format('woff2');font-style:normal;font-weight:200 900;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url('/fonts/SourceSans3VF-Italic.woff2') format('woff2');font-style:italic;font-weight:200 900;font-display:swap}