/* Editorial hierarchy: expressive serif mastheads, clear sans-serif content.
   Font trial only; preserve the site's blue/gold identity and illustrations. */
html body[data-theme="deco"][data-page] h1 {
  font-family: var(--display); font-weight: 500; font-optical-sizing: auto;
  line-height: 1.18; letter-spacing: -.025em; text-transform: none;
}
html body[data-theme="deco"][data-page] :is(h2,h3,h4,h5,h6) {
  font-family: var(--font); font-weight: 600; line-height: 1.3; letter-spacing: -.015em;
}
html body[data-theme="deco"][data-page] time { font-family: var(--font); font-weight: 400; letter-spacing: 0; }
html[lang="en"] .home-page .hero h1 { font-size: clamp(42px,4.25vw,64px); font-weight: 500; max-width: 11.5em; margin: 24px 0; }
html[lang="en"] .home-page .hero h1 em { font-style: normal; font-weight: 500; letter-spacing: -.025em; }
html[lang="en"] .home-page .hero-description { font-size: 16px; line-height: 1.65; max-width: 34em; }
html[lang="en"] .home-page .hero-description p { line-height: 1.65; letter-spacing: 0; }
html[lang="en"] .page-heading h1 { font-size: clamp(36px,4vw,54px); }
html[lang="en"] .page-heading .page-intro { font-size: 17px; line-height: 1.65; max-width: 68ch; }
html[lang="en"] .home-page .hero .eyebrow { font-size: 13px; line-height: 1.6; letter-spacing: .035em; font-weight: 600; }
html[lang="en"] .main-nav a { font-size: 14px; letter-spacing: 0; font-weight: 600; }
html[lang="en"] .home-block-heading h2 { font-size: 27px; }
html[lang="en"] .home-research-item h3 { font-size: 20px; line-height: 1.35; }
html[lang="en"] :is(.home-research-item p,.research-detail-copy p,.research-detail-copy li) { line-height: 1.65; }
html[lang="en"] .publication-copy > h3 { font-size: 18px; line-height: 1.4; font-weight: 600; }
html[lang="en"] .news-body h3 { font-size: 21px; line-height: 1.35; }
html[lang="zh-CN"] body[data-theme="deco"][data-page] h1 { font-family: var(--font); font-weight: 500; letter-spacing: .015em; line-height: 1.4; }
html[lang="zh-CN"] .home-page .hero h1 em { font-weight: 500; }
html[lang="zh-CN"] body[data-theme="deco"][data-page] :is(h2,h3,h4,h5,h6) { letter-spacing: 0; line-height: 1.45; font-weight: 500; }
html[lang="zh-CN"] :is(main p,main li,main dd,main figcaption,.site-footer p),
html[lang="zh-CN"] .home-page .hero-description p,
html[lang="zh-CN"] .page-heading .page-intro,
html[lang="zh-CN"] .research-detail-copy p,
html[lang="zh-CN"] .research-detail-copy li { letter-spacing: 0; line-height: 1.7; }
@media (max-width: 760px) {
  html[lang="en"] .home-page .hero h1 { font-size: clamp(36px,8.8vw,48px); line-height: 1.18; margin: 20px 0; }
  html[lang="en"] .home-page .hero-description { font-size: 16px; }
  html[lang="en"] .home-page .hero .eyebrow { font-size: 12px; }
  html[lang="en"] .home-block-heading h2 { font-size: 24px; }
  html[lang="en"] .home-research-item h3 { font-size: 18px; }
  html[lang="en"] .main-nav a { font-size: 17px; }
  html[lang="en"] .page-heading h1 { font-size: 36px; }
}