/* ARCBOS CAPITAL SYSTEM FOUNDATION · 2026-08-21
   Shared brand/typography layer. Route-specific layouts remain independent. */
:root{
  --arcbos-black:#0D0F11;
  --arcbos-carbon:#15181B;
  --arcbos-steel:#23282D;
  --arcbos-gunmetal:#4A525A;
  --arcbos-arctic:#C7CED4;
  --arcbos-white:#F4F6F7;
  --arcbos-amber:#FFB400;
  --arcbos-ice:#5B7A8C;
  --arcbos-en:'Archivo',Arial,sans-serif;
  --arcbos-display:'Oswald','Arial Narrow',sans-serif;
  --arcbos-mono:'JetBrains Mono',ui-monospace,monospace;
  --arcbos-zh:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --arcbos-zh-serif:'Noto Serif SC','Songti SC',serif;
}
html{color-scheme:dark}
.site-page{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
html[data-lang="zh"] .site-page{font-family:var(--arcbos-zh)}
html[data-lang="en"] .site-page{font-family:var(--arcbos-en)}
.site-page .mono,
.site-page [class*="label"],
.site-page [class*="code"]{font-variant-numeric:tabular-nums}

/* Display roles: serif is reserved for major Chinese narrative headings only. */
.site-snowbot .hero h1.zh,
.site-snowbot .section-head h2.zh,
.site-teaser .ht.zh,
.site-teaser .st.zh,
.site-bp .bp-title.zh,
.site-bp .sec-title.zh,
.site-partner h1,
.site-partner .section h2,
.site-partner .cta h2{
  font-family:var(--arcbos-zh-serif)!important;
  font-weight:800!important;
  letter-spacing:.012em!important;
}
.site-teaser .ht.en,
.site-bp .bp-title.en{
  font-family:var(--arcbos-display)!important;
  letter-spacing:.015em!important;
}
.site-teaser .st.en,
.site-bp .sec-title.en{
  font-family:var(--arcbos-en)!important;
  font-weight:800!important;
}

/* Secondary Chinese information is engineering UI, not editorial display type. */
.site-teaser .pkt.zh,
.site-teaser .mt2.zh,
.site-teaser .et.zh,
.site-bp .card-title.zh,
.site-bp .ms-title.zh,
.site-bp .safety-item-title.zh,
.site-bp .risk-name.zh,
.site-bp .data-table .zh,
.site-partner h3{
  font-family:var(--arcbos-zh)!important;
  letter-spacing:0!important;
  line-height:1.48!important;
}
.site-bp .toc-list li a{
  font-family:var(--arcbos-en)!important;
  font-weight:700!important;
}

/* Chinese heading rhythm — never let multiline titles visually touch. */
.site-snowbot .hero h1.zh{line-height:1.24!important}
.site-snowbot .section-head h2.zh{line-height:1.28!important}
.site-teaser .ht.zh,
.site-bp .bp-title.zh,
.site-partner h1{line-height:1.26!important}
.site-teaser .st.zh,
.site-bp .sec-title.zh,
.site-partner .section h2,
.site-partner .cta h2{line-height:1.30!important}

/* Long-form BP readability. */
.site-bp .data-table td,
.site-bp .risk-table td{line-height:1.65}
.site-bp .card-body.zh,
.site-bp .info-box p.zh,
.site-bp .risk-body.zh,
.site-bp .risk-mit.zh{line-height:1.82!important;letter-spacing:0!important}
.site-teaser .hs.zh,
.site-teaser .pkb.zh,
.site-teaser .pt p.zh,
.site-teaser .tib.zh{line-height:1.82!important;letter-spacing:0!important}

@media(max-width:600px){
  .site-snowbot .hero h1.zh,
  .site-snowbot .section-head h2.zh,
  .site-teaser .ht.zh,
  .site-teaser .st.zh,
  .site-bp .bp-title.zh,
  .site-bp .sec-title.zh,
  .site-partner h1,
  .site-partner .section h2,
  .site-partner .cta h2{line-height:1.36!important;letter-spacing:.005em!important}
}