:root { color-scheme: light; --ink: #202724; --muted: #52615b; --green: #215b4f; --rule: #d6dfda; --paper: #ffffff; --soft: #f3f6f4; --accent: #824958; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.75; letter-spacing: 0; }
a { color: var(--green); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
p { margin: 0 0 1.2em; }
h1, h2, h3 { margin: 0; line-height: 1.25; font-weight: 600; text-wrap: balance; overflow-wrap: anywhere; }
h1 { max-width: 1000px; font-size: 42px; }
h2 { font-size: 29px; margin-bottom: 24px; }
h3 { font-size: 20px; }
h2 > span, h3 > span, dt > span, dd > span { display: block; }
h2 > span { margin-top: 10px; font-size: 20px; color: var(--muted); font-weight: 400; }
h3 > span { margin-top: 8px; font-size: 17px; font-weight: 400; }
img { max-width: 100%; }
dl, dd { margin: 0; }
.container { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 20px; z-index: 10; background: white; padding: 12px; }
.skip-link:focus { top: 10px; }
.site-header { border-top: 5px solid var(--green); border-bottom: 1px solid var(--rule); }
.header-inner { display: flex; justify-content: space-between; gap: 32px; align-items: center; padding-block: 19px; }
.wordmark { display: inline-flex; align-items: center; flex-shrink: 0; text-decoration: none; width: 360px; max-width: 100%; }
.wordmark img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 1; }
.site-header nav { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.site-header nav a { display: block; font-size: 14px; text-decoration: none; line-height: 1.5; padding-block: 6px; }
.site-header nav span { display: block; font-size: 12px; color: var(--muted); }
.section { padding-block: 64px; border-bottom: 1px solid var(--rule); }
.intro { padding-block: 42px 34px; scroll-margin-top: 220px; }
.eyebrow { margin: 0 0 15px; font-size: 12px; font-weight: 650; color: var(--accent); }
.chinese-name { font-size: 25px; margin: 17px 0 22px; color: var(--green); }
.lead { max-width: 920px; font-size: 20px; line-height: 1.55; margin-bottom: 12px; }
.lead-zh { color: var(--muted); margin-bottom: 22px; }
.origin-line { border-left: 3px solid var(--green); padding-left: 20px; max-width: 970px; }
.origin-line p { margin-bottom: 8px; font-size: 15px; }
.origin-line p[lang] { color: var(--muted); }
.home-leadership { display: grid; grid-template-columns: 1fr 2fr; gap: 38px; border-top: 1px solid var(--rule); margin-top: 28px; padding-top: 23px; font-size: 14px; }
.home-leadership dt { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.home-leadership dd { font-weight: 550; }
.home-leadership dd > span { font-size: 13px; font-weight: 400; }
.section-layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 64px; }
.section-label a { font-size: 14px; }
.prose { max-width: 760px; }
.prose p:last-child { margin-bottom: 0; }
.translation { margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--rule); }
.translation h3 { margin-bottom: 20px; color: var(--green); }
.research-section { background: var(--soft); }
.section-intro { max-width: 880px; margin-bottom: 12px; }
.section-intro[lang] { color: var(--muted); }
.research-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 64px; margin-top: 30px; }
.research-grid > div { border-top: 1px solid var(--rule); padding: 23px 0; }
.research-grid dt { font-size: 18px; font-weight: 600; line-height: 1.4; }
.research-grid dt > span { color: var(--green); font-size: 15px; font-weight: 400; margin-top: 5px; }
.research-grid dd { color: var(--muted); font-size: 14px; margin-top: 12px; }
.scope-note { border-top: 2px solid var(--green); margin-top: 20px; padding-top: 26px; }
.scope-note h3 { margin-bottom: 18px; }
.scope-note p { max-width: 940px; margin-bottom: 8px; }
.study-summary { max-width: 900px; }
.study-summary h3 { margin-bottom: 14px; }
.study-summary p { margin-bottom: 12px; }
.registry-link { margin-top: 22px; font-weight: 600; }
details { margin: 24px 0 36px; border-block: 1px solid var(--rule); padding-block: 16px; }
summary { cursor: pointer; color: var(--green); }
details p { margin-top: 18px; font-size: 14px; }
.source-note { color: var(--muted); font-size: 13px; margin-top: 15px; margin-bottom: 8px; }
.member-geography { margin-top: 34px; }
.map-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.map-heading h3 { font-size: 20px; }
.map-total { margin: 0; text-align: right; font-size: 13px; color: var(--muted); line-height: 1.6; }
.map-regions { display: inline-flex; margin-block: 20px 14px; border: 1px solid var(--rule); border-radius: 4px; }
.map-regions button { border: 0; border-right: 1px solid var(--rule); background: white; color: var(--green); padding: 9px 18px; font: inherit; font-size: 13px; line-height: 1.5; cursor: pointer; }
.map-regions button:first-child { border-radius: 3px 0 0 3px; }
.map-regions button:last-child { border-right: 0; border-radius: 0 3px 3px 0; }
.map-regions button:hover { background: var(--soft); }
.map-regions button[aria-pressed="true"] { color: white; background: var(--green); }
#member-map { height: 430px; width: 100%; border: 1px solid var(--rule); border-radius: 4px; background: #eef1ed; isolation: isolate; font-family: inherit; }
#member-map .leaflet-tile-pane { filter: saturate(.55); }
.member-marker { background: var(--green); border: 3px solid white; border-radius: 50%; color: white; box-shadow: 0 1px 5px #20272455; text-align: center; font: 600 16px/32px -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.member-cluster { background: var(--accent); }
.member-cluster small { position: absolute; left: 50%; top: 45px; transform: translateX(-50%); white-space: nowrap; padding: 2px 6px; background: white; color: var(--accent); border: 1px solid var(--rule); border-radius: 3px; font-size: 12px; line-height: 18px; }
.leaflet-tooltip.city-label { background: white; color: var(--green); border: 1px solid var(--rule); border-radius: 3px; box-shadow: none; font-size: 12px; font-weight: 600; padding: 2px 6px; }
.leaflet-tooltip.city-label::before { display: none; }
.member-popup h3 { font-size: 16px; line-height: 1.4; text-wrap: initial; margin-bottom: 10px; }
.member-popup ul { padding: 0; margin: 0; list-style: none; }
.member-popup li + li { border-top: 1px solid var(--rule); margin-top: 10px; padding-top: 10px; }
.member-popup a { font-size: 12px; line-height: 1.55; display: block; }
.member-popup a span { display: block; }
.member-popup a span[lang] { color: var(--muted); }
.leaflet-container .leaflet-popup-content-wrapper { border-radius: 5px; }
.leaflet-container a { color: var(--green); }
.leaflet-container .leaflet-control-attribution { font-size: 10px; }
.centers-list { list-style: none; padding: 0; margin: 26px 0; counter-reset: center; border-top: 1px solid var(--rule); }
.centers-list li { counter-increment: center; display: grid; grid-template-columns: 32px minmax(0, 1.5fr) minmax(0, 1fr) minmax(165px, .7fr); gap: 20px; align-items: start; border-bottom: 1px solid var(--rule); padding: 20px 0; font-size: 15px; }
.centers-list li::before { content: counter(center, decimal-leading-zero); color: var(--accent); font-size: 12px; padding-top: 3px; }
.centers-list [lang] { color: var(--muted); }
.center-location { font-size: 12px; line-height: 1.6; }
.center-location small { display: block; font-size: inherit; color: var(--muted); }
.center-location a { display: inline-block; padding-block: 5px; }
.leadership-section { background: #f5f3f4; }
.leadership-list > div + div { margin-top: 30px; border-top: 1px solid #dfd7db; padding-top: 26px; }
.leadership-list dt { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.leadership-list dd { font-size: 22px; font-weight: 500; line-height: 1.45; }
.leadership-list dd > span { margin-top: 8px; font-size: 17px; font-weight: 400; }
.site-footer { padding-block: 35px; font-size: 13px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; }
.footer-inner p { margin: 0; }
.site-footer strong { color: var(--ink); font-size: 18px; }
.site-footer nav { display: flex; flex-wrap: wrap; align-content: start; gap: 12px 24px; }
@media (max-width: 900px) {
  .header-inner { align-items: start; gap: 22px; }
  .site-header nav { gap: 12px 20px; }
  .section-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 35px; }
  .research-grid { column-gap: 35px; }
  .centers-list li { grid-template-columns: 24px minmax(0, 1.5fr) minmax(0, 1fr); gap: 14px; }
  .center-location { grid-column: 2 / -1; display: flex; gap: 16px; align-items: center; }
}
@media (max-width: 640px) {
  .container { width: calc(100% - 36px); }
  .header-inner { flex-direction: column; gap: 10px; padding-block: 14px; }
  .wordmark { width: 320px; }
  .site-header nav { width: 100%; justify-content: space-between; gap: 4px 10px; }
  .site-header nav a { font-size: 12px; }
  .site-header nav span { font-size: 11px; }
  .section { padding-block: 42px; }
  .intro { padding-block: 28px; }
  h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .chinese-name { font-size: 22px; margin-block: 16px; }
  .lead { font-size: 18px; }
  .lead-zh { font-size: 15px; }
  .home-leadership { grid-template-columns: 1fr; gap: 20px; }
  .section-layout { grid-template-columns: 1fr; gap: 30px; }
  .research-grid { grid-template-columns: 1fr; }
  .centers-list li { grid-template-columns: 24px minmax(0, 1fr); gap: 3px 12px; }
  .centers-list li [lang] { grid-column: 2; font-size: 14px; }
  .center-location { grid-column: 2; flex-wrap: wrap; gap: 0 14px; }
  .map-heading { align-items: start; gap: 15px; }
  .map-heading h3 { font-size: 18px; }
  .map-heading h3 span { font-size: 15px; }
  .map-total { font-size: 11px; min-width: 105px; }
  .map-regions { display: flex; }
  .map-regions button { flex: 1 1 0; min-width: 0; padding-inline: 4px; font-size: 12px; white-space: nowrap; }
  #member-map { height: 360px; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .leadership-list dd { font-size: 20px; }
}
@media (max-width: 380px) {
  .map-heading { display: block; }
  .map-total { text-align: left; margin-top: 12px; font-size: 12px; }
}
@media print {
  .site-header nav, .skip-link, .site-footer nav, .member-geography { display: none; }
  .container { width: 100%; }
  .section { padding-block: 24px; }
  .section-layout { grid-template-columns: 1fr; gap: 16px; }
  a { color: inherit; }
}