:root {
  --red: #8c0000;
  --red-dark: #650000;
  --red-pale: #fbf5f4;
  --ink: #252525;
  --body: #4a4745;
  --muted: #6c6a68;
  --line: #ded8d4;
  --paper: #ffffff;
  --soft: #f8f7f5;
  --serif: "Noto Serif SC", "Songti SC", STSong, serif;
  --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.85; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid #cc8c8c; outline-offset: 4px; }
.container { width: min(calc(100% - 64px), var(--max)); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 20; left: 16px; top: -60px; padding: 8px 14px; color: #fff; background: var(--red); }
.skip-link:focus { top: 16px; }

.topbar { border-top: 5px solid var(--red); background: #fff; }
.identity-row { display: flex; align-items: center; min-height: 104px; gap: 34px; }
.wordmark { display: flex; align-items: baseline; gap: 16px; color: var(--red); text-decoration: none; white-space: nowrap; }
.wordmark-cn { font: 600 41px/1 var(--serif); letter-spacing: .08em; }
.wordmark-en { font: 400 25px/1 var(--sans); letter-spacing: .03em; }
.identity-meta { border-left: 1px solid var(--line); padding-left: 28px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.identity-meta p { margin: 0; }
.contact-link { margin-left: auto; color: var(--red); font-size: 14px; text-underline-offset: 4px; }
.main-nav { position: sticky; top: 0; z-index: 10; border-bottom: 1px solid rgba(255,255,255,.22); background: var(--red); color: #fff; }
.nav-inner { min-height: 57px; }
.nav-menu { display: flex; align-items: stretch; gap: 0; }
.nav-link { position: relative; display: inline-flex; align-items: center; min-height: 57px; padding: 0 18px; color: #fff; font-size: 14px; text-decoration: none; transition: background .2s ease; }
.nav-link::after { position: absolute; right: 18px; bottom: 0; left: 18px; height: 3px; background: #e7b1b1; content: ""; opacity: 0; transition: opacity .2s ease; }
.nav-link:hover, .nav-link.active { background: rgba(0,0,0,.12); }
.nav-link.active::after { opacity: 1; }
.nav-toggle { display: none; }

.hero-section { background: var(--paper); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 80px; align-items: end; padding-top: 58px; padding-bottom: 43px; }
.eyebrow, .section-kicker { margin: 0 0 20px; color: var(--red); font-size: 11px; font-weight: 700; letter-spacing: .18em; line-height: 1.4; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 700px; margin-bottom: 22px; color: var(--red); font: 600 clamp(37px, 4.2vw, 54px)/1.24 var(--serif); letter-spacing: .02em; }
h1 span { color: var(--ink); }
.hero-lede { max-width: 650px; margin-bottom: 36px; color: var(--body); font-size: 17px; line-height: 2; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 25px; }
.button { display: inline-flex; align-items: center; gap: 16px; min-height: 46px; padding: 0 20px; text-decoration: none; font-size: 14px; transition: background .2s ease, color .2s ease; }
.button-primary { color: #fff; background: var(--red); }
.button-primary:hover { background: var(--red-dark); }
.button-text { padding-left: 0; color: var(--red); border-bottom: 1px solid var(--red); }
.button-text:hover { color: var(--red-dark); }
.hero-aside { align-self: end; padding: 6px 0 10px 26px; border-left: 1px solid var(--red); color: var(--body); font-size: 14px; line-height: 1.7; }
.hero-aside p { margin-bottom: 8px; }
.hero-aside a { color: var(--red); text-underline-offset: 4px; }
.aside-rule { width: 34px; height: 2px; margin-bottom: 16px; background: var(--red); }
.aside-label { color: var(--red); font-weight: 700; }
.aside-note { margin-top: 24px; color: var(--muted); font-size: 13px; }
.hero-bottomline { display: flex; justify-content: space-between; padding: 16px 0; color: var(--muted); border-top: 1px solid var(--line); font-size: 12px; }
.page-index { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 26px; padding: 17px 0 20px; border-top: 1px solid var(--line); }
.page-index-title { margin: 0; color: var(--red); font-size: 11px; font-weight: 700; letter-spacing: .16em; line-height: 2; }
.page-index-links { display: flex; flex-wrap: wrap; gap: 8px 25px; }
.page-index-links a { display: inline-flex; align-items: baseline; gap: 8px; color: var(--muted); font-size: 12px; text-decoration: none; transition: color .2s ease; }
.page-index-links a span { color: var(--red); font: 500 11px/1 Georgia, serif; }
.page-index-links a:hover { color: var(--red); }

.section { padding: 68px 0; scroll-margin-top: 57px; }
.section-profile { background: #fff; }
.section-research, .section-publications, .section-links { background: #fff; }
.section-team { background: #fff; }
.section-join { color: var(--ink); background: #fff; }
.two-column { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 90px; }
.section-heading h2 { margin-bottom: 18px; color: var(--red); font: 600 34px/1.3 var(--serif); letter-spacing: .03em; }
.section-summary { max-width: 260px; margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.9; }
.section-body { max-width: 760px; color: var(--body); }
.section-body p { margin-bottom: 20px; }
.lead-paragraph { color: var(--ink); font-size: 19px; line-height: 2; }
em { font-family: Georgia, serif; }
.timeline-group { margin-top: 37px; }
.timeline-group h3 { margin-bottom: 17px; color: var(--ink); font-size: 16px; font-weight: 700; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 148px 1fr; gap: 22px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.timeline-date { color: var(--red); font-variant-numeric: tabular-nums; }

.section-heading-wide { max-width: 700px; margin-bottom: 42px; }
.section-heading-wide .section-summary { max-width: 580px; }
.research-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.research-item { min-height: 270px; padding: 27px 30px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.research-index { display: block; margin-bottom: 32px; color: var(--red); font: 500 14px/1 Georgia, serif; }
.research-item h3 { margin-bottom: 15px; color: var(--ink); font-size: 18px; font-weight: 700; }
.research-item p { margin-bottom: 24px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.research-tags { color: var(--red); font-size: 12px; }
.method-note { display: flex; align-items: baseline; gap: 30px; margin-top: 33px; padding-top: 19px; border-top: 1px solid var(--line); font-size: 13px; }
.method-note span { color: var(--red); font-weight: 700; white-space: nowrap; }
.method-note p { margin: 0; color: var(--muted); }

.team-layout { align-items: start; }
.team-body { padding-top: 4px; }
.members-list { border-top: 1px solid var(--line); }
.member-empty { display: flex; gap: 24px; padding: 27px 0 26px; border-bottom: 1px solid var(--line); }
.member-mark { flex: 0 0 auto; color: var(--red); font: 400 35px/1 Georgia, serif; }
.member-empty h3 { margin-bottom: 8px; color: var(--ink); font-size: 18px; }
.member-empty p { max-width: 630px; margin-bottom: 0; color: var(--muted); font-size: 15px; }
.inline-cta { display: inline-flex; gap: 16px; margin-top: 28px; color: var(--red); font-size: 14px; text-decoration: none; border-bottom: 1px solid var(--red); }
.inline-cta:hover { color: var(--red-dark); }

.publications-header { display: flex; justify-content: space-between; align-items: end; max-width: none; }
.publications-header h2 { margin-bottom: 0; }
.scholar-link { color: var(--red); font-size: 13px; text-decoration: none; border-bottom: 1px solid var(--red); }
.publication-toolbar { display: flex; justify-content: space-between; align-items: start; gap: 30px; margin-bottom: 29px; }
.filter-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-button { padding: 8px 13px; color: var(--muted); background: transparent; border: 1px solid #cbc5c1; border-radius: 0; cursor: pointer; font: inherit; font-size: 12px; line-height: 1.5; transition: color .2s ease, background .2s ease, border-color .2s ease; }
.filter-button:hover, .filter-button.active { color: #fff; background: var(--red); border-color: var(--red); }
.publication-count { margin: 8px 0 0; color: var(--muted); font-size: 12px; white-space: nowrap; }
.publications-list { border-top: 2px solid var(--red); }
.publication { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.publication-number { color: var(--red); font: 500 14px/1.7 Georgia, serif; }
.publication-title { margin-bottom: 8px; color: var(--ink); font-size: 16px; font-weight: 600; line-height: 1.65; }
.publication-authors { margin-bottom: 6px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.publication-authors strong { color: var(--ink); font-weight: 700; }
.publication-meta { color: var(--red); font-size: 13px; line-height: 1.75; }
.publication-meta em { color: var(--body); }
.publication-meta a { margin-left: 13px; color: var(--red); text-decoration: none; border-bottom: 1px solid #c99797; }
.publication-meta a:hover { border-bottom-color: var(--red); }
.publication-themes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.publication-theme { padding: 2px 7px; color: var(--muted); background: #fff; font-size: 11px; }
.publication-footnote { margin: 24px 0 0; color: var(--muted); font-size: 12px; }
.publication-footnote a { color: var(--red); }


.join-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 90px; }
.section-join .section-heading h2, .section-join .section-kicker { color: var(--red); }
.section-join .section-summary { color: var(--muted); }
.opportunities { border-top: 1px solid var(--line); }
.opportunity { display: grid; grid-template-columns: 120px minmax(0, 1fr); column-gap: 35px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.opportunity-status { grid-column: 1; grid-row: 1 / span 2; padding-top: 3px; color: var(--red); font-size: 12px; }
.opportunity h2 { grid-column: 2; margin: 0 0 8px; color: var(--ink); font-size: 17px; }
.opportunity p { grid-column: 2; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.join-footer { display: flex; justify-content: space-between; align-items: center; gap: 30px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.join-footer p { margin: 0; color: var(--muted); font-size: 13px; }
.section-join .button-primary { background: var(--red); color: #fff; }
.section-join .button-primary:hover { background: var(--red-dark); }

.links-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 90px; }
.links-grid { max-width: 860px; border-top: 1px solid var(--line); }
.external-link { display: grid; grid-template-columns: minmax(0, 1fr) auto; grid-template-rows: auto auto; align-items: baseline; padding: 20px 0; border-bottom: 1px solid var(--line); text-decoration: none; background: transparent; }
.external-link span { grid-column: 1; grid-row: 1; color: var(--ink); font-size: 15px; font-weight: 600; }
.external-link small { grid-column: 1; grid-row: 2; margin-top: 5px; color: var(--muted); font-size: 13px; }
.external-link b { position: static; grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--red); font-size: 18px; font-weight: 400; }
.external-link:hover span { color: var(--red); }

.site-footer { padding: 33px 0; color: #ddd0d0; background: #360000; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; font-size: 11px; line-height: 1.7; }
.footer-inner p { margin: 0; }
.footer-inner strong { color: #fff; font-weight: 500; }
.footer-home-link { display: block; margin-top: 4px; color: #e7b1b1; font-size: 12px; text-decoration: none; }
.footer-home-link:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 900px) {
  .identity-row { min-height: 116px; flex-wrap: wrap; gap: 12px 24px; padding-top: 16px; padding-bottom: 16px; }
  .identity-meta { order: 3; width: 100%; padding-left: 0; border-left: 0; font-size: 13px; }
  .contact-link { margin-left: auto; }
  .nav-toggle { display: flex; flex-direction: column; gap: 4px; justify-content: center; width: 45px; height: 57px; padding: 0; color: #fff; background: transparent; border: 0; cursor: pointer; }
  .nav-toggle > span:not(.sr-only) { display: block; width: 22px; height: 2px; background: #fff; }
  .nav-menu { display: none; flex-direction: column; padding-bottom: 10px; }
  .nav-menu.is-open { display: flex; }
  .nav-link { min-height: 43px; padding: 0 4px; }
  .nav-link::after { right: auto; bottom: 3px; left: 4px; width: 20px; }
  .hero-grid { gap: 45px; padding-top: 50px; }
  .page-index { display: block; padding-top: 14px; }
  .page-index-links { margin-top: 7px; gap: 6px 18px; }
  .two-column, .join-layout, .links-layout { grid-template-columns: 210px minmax(0, 1fr); gap: 50px; }
.join-footer { align-items: start; flex-direction: column; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 38px), var(--max)); }
  body { font-size: 15px; }
  .topbar { border-top-width: 4px; }
  .wordmark-cn { font-size: 31px; }
  .wordmark-en { font-size: 19px; }
  .contact-link { font-size: 12px; }
  .identity-meta { font-size: 12px; }
  .hero-grid { display: block; padding-top: 63px; padding-bottom: 51px; }
  h1 { font-size: 42px; }
  .hero-lede { font-size: 15px; line-height: 1.9; }
  .hero-aside { margin-top: 56px; }
  .hero-bottomline { display: block; padding: 14px 0; line-height: 1.9; }
  .hero-bottomline span { display: block; }
  .section { padding: 55px 0; }
  .two-column, .join-layout, .links-layout { display: block; }
  .section-heading { margin-bottom: 39px; }
  .section-heading h2 { font-size: 30px; }
  .section-summary { max-width: 100%; }
  .lead-paragraph { font-size: 17px; }
  .timeline-item { grid-template-columns: 1fr; gap: 2px; padding: 12px 0; font-size: 13px; }
  .research-grid, .links-grid { grid-template-columns: 1fr; }
  .research-item { min-height: auto; padding: 25px 22px; }
  .research-index { margin-bottom: 25px; }
  .method-note { display: block; }
  .method-note p { margin-top: 8px; line-height: 1.8; }
  .publications-header { display: block; }
  .scholar-link { display: inline-block; margin-top: 18px; }
  .publication-toolbar { display: block; }
  .publication-count { margin-top: 16px; }
  .publication { grid-template-columns: 29px minmax(0, 1fr); gap: 9px; padding: 21px 0; }
  .publication-title { font-size: 15px; }
  .publication-authors { font-size: 12px; }
  .publication-meta { font-size: 12px; }
  .publication-meta a { display: inline-block; margin: 5px 0 0; }
  .opportunity { display: block; padding: 20px 0; }
  .opportunity-status { display: block; margin-bottom: 8px; padding-top: 0; }
  .opportunity h2 { margin-bottom: 7px; }
  .join-footer { margin-top: 25px; }
  .footer-inner { display: block; }
  .footer-inner p { margin-bottom: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Multi-page layout */
.page-kicker { margin: 0 0 18px; color: var(--red); font-size: 12px; font-weight: 700; letter-spacing: .16em; line-height: 1.5; }
.home-profile { border-bottom: 1px solid var(--line); }
.home-profile-grid { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 90px; align-items: start; padding: 38px 0 52px; }
.home-bio { max-width: 820px; margin: 0 0 25px; color: var(--body); font-size: 17px; line-height: 2; }
.home-bio strong { color: var(--ink); font-weight: 700; }
.home-links { display: flex; flex-wrap: wrap; gap: 21px; margin: 0; font-size: 13px; }
.home-links a, .text-link { color: var(--red); text-underline-offset: 4px; }
.home-contact { padding: 4px 0 7px 27px; border-left: 1px solid var(--red); color: var(--body); font-size: 14px; line-height: 1.8; text-align: center; }
.home-contact p { margin-bottom: 10px; }
.home-contact a { color: var(--red); text-underline-offset: 4px; }
.home-join-link { display: flex !important; width: max-content; gap: 12px; margin: 27px auto 0; padding-top: 12px; border-top: 1px solid var(--line); font-weight: 600; text-decoration: none; }
.home-news { border-bottom: 1px solid var(--line); }
.home-news-grid { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 60px; align-items: start; padding: 47px 0 48px; }
.home-news .section-heading h2 { margin-bottom: 0; color: var(--red); font: 600 31px/1.3 var(--serif); }
.news-item { min-height: 144px; padding-right: 100px; }
.news-meta { display: flex; gap: 14px; margin-bottom: 12px; color: var(--red); font-size: 12px; }
.news-meta span + span { padding-left: 14px; border-left: 1px solid var(--line); }
.news-item h3 { max-width: 720px; margin-bottom: 9px; color: var(--ink); font-size: 18px; line-height: 1.7; }
.news-item p { margin-bottom: 10px; color: var(--muted); font-size: 14px; }
.news-item a { color: var(--red); font-size: 13px; text-underline-offset: 4px; }
.news-rotator { position: relative; min-height: 174px; }
.news-controls { display: flex; align-items: center; gap: 13px; position: absolute; right: 0; bottom: 0; color: var(--muted); font: 12px/1 Georgia, serif; }
.news-control { width: 29px; height: 29px; color: var(--red); background: transparent; border: 1px solid var(--line); cursor: pointer; font: 16px/1 Georgia, serif; }
.news-control:hover { color: #fff; background: var(--red); border-color: var(--red); }
.home-entries { border-bottom: 1px solid var(--line); }
.entry-grid { display: grid; grid-template-columns: 1fr 1fr; }
.entry-link { display: grid; grid-template-columns: 45px minmax(0, 1fr) 24px; gap: 14px; align-items: center; min-height: 132px; padding: 23px 28px; color: inherit; text-decoration: none; border-right: 1px solid var(--line); }
.entry-link + .entry-link { border-right: 0; }
.entry-link:hover strong, .entry-link:hover b { color: var(--red); }
.entry-number { color: var(--red); font: 500 14px/1 Georgia, serif; }
.entry-link strong { display: block; color: var(--ink); font-size: 17px; transition: color .2s ease; }
.entry-link small { display: block; margin-top: 7px; color: var(--muted); font-size: 13px; }
.entry-link b { color: var(--red); font: 22px/1 Georgia, serif; font-weight: 400; text-align: right; transition: color .2s ease; }

.page-main { min-height: calc(100vh - 230px); }
.page-content { padding: 70px 0 100px; }
.links-page .page-content { padding-top: 38px; }
.publications-page .page-content { padding-top: 38px; }
.page-heading { padding-bottom: 44px; border-bottom: 1px solid var(--line); }
.page-heading h1 { max-width: none; margin: 0 0 14px; color: var(--red); font: 600 43px/1.3 var(--serif); letter-spacing: .03em; }
.page-heading > p:last-child { max-width: 680px; margin: 0; color: var(--muted); font-size: 16px; }
.page-heading-row { display: flex; justify-content: space-between; align-items: end; gap: 40px; }
.page-heading-row .text-link { margin-bottom: 7px; white-space: nowrap; }
.publication-intro { display: flex; justify-content: space-between; align-items: end; gap: 40px; padding-bottom: 29px; border-bottom: 1px solid var(--line); }
.publication-intro p { margin: 0; color: var(--muted); font-size: 16px; }
.publication-intro .text-link { margin-bottom: 7px; white-space: nowrap; }
.content-section.page-section { padding: 48px 0; border-bottom: 1px solid var(--line); }
.page-section h2 { margin-bottom: 18px; color: var(--ink); font: 600 24px/1.4 var(--serif); }
.reading-column { max-width: 780px; }
.reading-column p { color: var(--body); font-size: 16px; line-height: 2; }
.reading-column .lead-paragraph { color: var(--ink); font-size: 19px; }
.split-section { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 80px; }
.split-section > div:first-child h2 { margin-top: 2px; }
.research-list { border-top: 2px solid var(--red); }
.research-row { display: grid; grid-template-columns: 55px minmax(0, 1fr); gap: 24px; padding: 34px 0 31px; border-bottom: 1px solid var(--line); }
.research-row .research-index { margin: 3px 0 0; }
.research-row h2 { margin-bottom: 11px; color: var(--ink); font-size: 21px; font-weight: 700; }
.research-row p { max-width: 780px; margin-bottom: 15px; color: var(--muted); font-size: 15px; line-height: 1.9; }
.team-page .page-content { padding-top: 38px; }
.team-page-block { padding-top: 0; max-width: 850px; }
.team-page-block .text-link { display: inline-block; margin-top: 28px; }
.join-page .page-content { padding-top: 38px; }
.join-page .page-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; }
.join-page .page-heading > p { max-width: 780px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.9; }
.join-notice-link { flex: 0 0 auto; margin-top: 2px; white-space: nowrap; }
.metrics-row { display: grid; grid-template-columns: 220px 220px; gap: 55px; padding: 34px 0 39px; border-bottom: 1px solid var(--line); }
.metrics-row .metric strong { font-size: 47px; }
.plain-list { margin: 0; padding: 0; color: var(--muted); font-size: 15px; line-height: 2; list-style: none; }
.plain-list li::before { margin-right: 10px; color: var(--red); content: "·"; font-weight: 700; }
.opportunity h2 { margin: 0 0 8px; color: var(--ink); font-size: 17px; line-height: 1.5; }
.page-links-grid { margin-top: 0; }
.contact-block { max-width: 860px; padding-top: 44px; }
.contact-block h2 { margin-bottom: 14px; color: var(--ink); font: 600 24px/1.4 var(--serif); }
.contact-block p { color: var(--muted); font-size: 15px; }
.topbar .contact-link { display: none; }
.profile-page .page-content { padding-top: 38px; }
.profile-page .page-section:first-child { padding-top: 0; }
.research-page .page-content { padding-top: 38px; }
.research-intro { max-width: 970px; padding-bottom: 38px; color: var(--ink); border-bottom: 2px solid var(--red); font-size: 17px; line-height: 2; }
.research-detail-list { max-width: 1050px; }
.research-detail { display: grid; grid-template-columns: 50px minmax(0, 1fr); gap: 25px; padding: 38px 0 34px; border-bottom: 1px solid var(--line); }
.research-detail-number { padding-top: 3px; color: var(--red); font: 500 20px/1 Georgia, serif; }
.research-detail h2 { margin-bottom: 14px; color: var(--ink); font-size: 22px; line-height: 1.5; }
.research-detail p { max-width: 940px; margin: 0; color: var(--body); font-size: 16px; line-height: 2; }

@media (max-width: 900px) {
  .home-profile-grid { gap: 50px; }
  .home-news-grid { grid-template-columns: 150px minmax(0, 1fr); gap: 35px; }
  .page-content { padding-top: 55px; }
  .split-section { grid-template-columns: 180px minmax(0, 1fr); gap: 45px; }
}

@media (max-width: 640px) {
  .home-profile-grid { display: block; padding: 32px 0 43px; }
  .home-bio { font-size: 15px; line-height: 1.9; }
  .home-contact { margin-top: 39px; padding-left: 0; border-left: 0; border-top: 1px solid var(--red); padding-top: 20px; }
  .home-news-grid { display: block; padding: 40px 0 42px; }
  .home-news .section-heading { margin-bottom: 28px; }
  .home-news .section-heading h2 { font-size: 28px; }
  .news-rotator { min-height: 235px; }
  .news-item { min-height: 190px; padding-right: 0; }
  .news-item h3 { font-size: 16px; }
  .news-controls { left: 0; right: auto; }
  .entry-grid { display: block; }
  .entry-link { border-right: 0; border-bottom: 1px solid var(--line); }
  .entry-link:last-child { border-bottom: 0; }
  .page-content { padding: 48px 0 70px; }
  .links-page .page-content { padding-top: 32px; }
  .publications-page .page-content { padding-top: 32px; }
  .team-page .page-content { padding-top: 32px; }
  .join-page .page-content { padding-top: 32px; }
  .profile-page .page-content { padding-top: 32px; }
  .research-page .page-content { padding-top: 32px; }
  .page-heading { padding-bottom: 32px; }
  .page-heading h1 { font-size: 34px; }
  .page-heading-row { display: block; }
  .page-heading-row .text-link { display: inline-block; margin-top: 19px; }
  .publication-intro { display: block; padding-bottom: 25px; }
  .publication-intro .text-link { display: inline-block; margin-top: 19px; }
  .join-page .page-heading { display: block; }
  .join-notice-link { display: inline-block; margin-top: 19px; }
  .split-section { display: block; }
  .split-section > div:first-child { margin-bottom: 27px; }
  .research-row { grid-template-columns: 35px minmax(0, 1fr); gap: 13px; padding: 27px 0; }
  .research-row h2 { font-size: 18px; }
  .research-row p { font-size: 14px; }
  .research-intro { padding-bottom: 28px; font-size: 16px; line-height: 1.9; }
  .research-detail { grid-template-columns: 30px minmax(0, 1fr); gap: 12px; padding: 28px 0 25px; }
  .research-detail-number { font-size: 17px; }
  .research-detail h2 { margin-bottom: 11px; font-size: 18px; }
  .research-detail p { font-size: 14px; line-height: 1.9; }
  .metrics-row { grid-template-columns: 1fr 1fr; gap: 20px; }
  .metrics-row .metric strong { font-size: 36px; }
  .page-links-grid { margin-top: 0; }
  .contact-block { padding-top: 35px; }
}