:root {
  --paper: #f7f8f6;
  --surface: #ffffff;
  --surface-muted: #eef2ef;
  --ink: #18201d;
  --ink-soft: #53605b;
  --accent: #1e5b4c;
  --accent-dark: #17463b;
  --accent-pale: #dfece7;
  --line: #d8dfdb;
  --shadow-sm: 0 8px 24px rgba(22, 43, 35, 0.07);
  --shadow-md: 0 16px 42px rgba(22, 43, 35, 0.11);
  --radius-sm: 10px;
  --radius-md: 16px;
  --shell: 1160px;
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html:lang(zh-CN) {
  --font-serif: 'Songti SC', 'STSong', 'SimSun', Georgia, serif;
  --font-sans: 'Microsoft YaHei', 'PingFang SC', 'Noto Sans CJK SC', ui-sans-serif, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 400 16px/1.7 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(30, 91, 76, 0.28); outline-offset: 4px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--font-serif); font-weight: 500; letter-spacing: -0.025em; line-height: 1.12; }
h1 { font-size: clamp(3rem, 7vw, 5.5rem); margin-bottom: 1.2rem; }
h1 small { display: block; margin-top: 0.7rem; color: var(--accent); font-family: var(--font-sans); font-size: 0.25em; font-weight: 650; letter-spacing: 0.12em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
h3 { line-height: 1.35; }

.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--ink); color: white; padding: 0.65rem 1rem; border-radius: 8px; }
.skip-link:focus { top: 1rem; }
.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; }
.section-shell, .nav-shell, .footer-shell { width: min(calc(100% - 3rem), var(--shell)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(216, 223, 219, 0.85); background: rgba(247, 248, 246, 0.94); backdrop-filter: blur(14px); }
.nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.site-mark { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; font-weight: 650; }
.site-mark-monogram { display: grid; place-items: center; width: 38px; aspect-ratio: 1; color: white; background: var(--accent); border-radius: 50%; font-family: var(--font-serif); font-size: 0.82rem; letter-spacing: 0.04em; }
.site-mark-text { white-space: nowrap; }
.nav-actions { display: flex; align-items: center; gap: 1.25rem; }
.primary-nav { display: flex; align-items: center; gap: clamp(1rem, 2.1vw, 1.85rem); }
.primary-nav a { position: relative; color: var(--ink-soft); text-decoration: none; font-size: 0.91rem; font-weight: 550; }
.primary-nav a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -0.55rem; height: 2px; background: var(--accent); transition: right 180ms ease; }
.primary-nav a:hover, .primary-nav a[aria-current='page'] { color: var(--ink); }
.primary-nav a:hover::after, .primary-nav a[aria-current='page']::after { right: 0; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 8px; background: transparent; padding: 0.7rem; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--ink); }
.language-switch { display: flex; align-items: center; gap: 0.35rem; padding-left: 1rem; border-left: 1px solid var(--line); color: var(--ink-soft); font-size: 0.78rem; font-weight: 700; white-space: nowrap; }
.language-switch a { color: var(--ink-soft); text-decoration: none; }
.language-switch a:hover, .language-switch [aria-current='true'] { color: var(--accent-dark); }

.profile-hero { min-height: 640px; display: grid; grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.4fr); grid-template-areas: "photo copy" "focus copy"; column-gap: clamp(3rem, 7vw, 7.5rem); row-gap: 2rem; align-items: start; padding-block: clamp(2.5rem, 5vw, 4.5rem); }
.profile-photo-wrap { grid-area: photo; position: relative; width: min(100%, 320px); justify-self: center; }
.profile-copy { grid-area: copy; }
.profile-photo-wrap::before { content: ''; position: absolute; inset: -18px 18px 18px -18px; border: 1px solid var(--accent-pale); border-radius: var(--radius-md); z-index: -1; }
.profile-photo-frame { width: 100%; aspect-ratio: 1804 / 2482; overflow: hidden; border-radius: var(--radius-md); background: var(--surface-muted); box-shadow: var(--shadow-md); }
.profile-photo { width: 100%; height: 100%; object-fit: contain; }
.research-focus { padding-block: clamp(2.8rem, 6vw, 5.5rem); }
.research-focus .eyebrow { margin-bottom: clamp(1.1rem, 2vw, 1.7rem); }
.research-focus h2 { max-width: 1050px; margin-bottom: 0; font-size: clamp(1.55rem, 3vw, 2.25rem); }
.profile-hero > .research-focus { grid-area: focus; align-self: start; padding: 0; }
.profile-hero > .research-focus .eyebrow { margin-bottom: 0.85rem; }
.profile-hero > .research-focus h2 { font-size: clamp(1.05rem, 1.45vw, 1.35rem); line-height: 1.7; }
.eyebrow { margin-bottom: 0.75rem; color: var(--accent); font-size: 1rem; font-weight: 750; letter-spacing: 0.16em; text-transform: uppercase; }
.profile-role { margin-bottom: 0.25rem; color: var(--ink); font-size: clamp(1.08rem, 2vw, 1.28rem); font-weight: 650; }
.profile-affiliation { color: var(--ink-soft); }
.profile-biography { max-width: 760px; margin: 1.75rem 0; color: #33403b; font-size: clamp(1rem, 1.35vw, 1.13rem); line-height: 1.85; }
html:lang(zh-CN) .profile-biography { text-align: justify; text-justify: inter-ideograph; }
.profile-links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.profile-links a { padding: 0.48rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--accent-dark); text-decoration: none; font-size: 0.88rem; font-weight: 650; transition: border-color 160ms ease, transform 160ms ease; }
.profile-links a:hover { border-color: var(--accent); transform: translateY(-2px); }

.content-section { padding-block: clamp(4.5rem, 8vw, 7rem); }
.section-rule { border-top: 1px solid var(--line); }
.section-tint { width: min(calc(100% - 2rem), calc(var(--shell) + 4rem)); padding-inline: 2rem; border-radius: 24px; background: var(--surface-muted); }
.section-heading { display: grid; grid-template-columns: 0.75fr 1.4fr; gap: clamp(3rem, 7vw, 7.5rem); }
.section-heading .section-body, .section-heading + .section-body { grid-column: 2; }
.prose { max-width: 760px; color: #3d4944; font-size: clamp(1.06rem, 1.7vw, 1.2rem); }
.section-title-row { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2.3rem; }
.section-title-row h1,
.section-title-row h2 { margin-bottom: 0; font-size: clamp(2rem, 4vw, 3rem); }
.text-link { color: var(--accent-dark); font-weight: 700; text-decoration: none; }
.text-link span { display: inline-block; transition: transform 160ms ease; }
.text-link:hover span { transform: translateX(4px); }
.section-link { padding-bottom: 0.45rem; border-bottom: 1px solid var(--accent); font-size: 0.9rem; white-space: nowrap; }

.background-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.background-column { padding-top: 1.5rem; }
.background-column:first-child { padding-right: clamp(1.5rem, 4vw, 3.5rem); border-right: 1px solid var(--line); }
.background-column:last-child { padding-left: clamp(1.5rem, 4vw, 3.5rem); }
.background-item { display: grid; grid-template-columns: 105px 1fr; gap: 1rem; padding: 1.15rem 0; border-bottom: 1px solid var(--line); }
.background-item time { color: var(--accent); font-family: var(--font-serif); font-size: 0.92rem; }
.background-item h3 { margin-bottom: 0.3rem; font-family: var(--font-serif); font-size: 1.08rem; }
.background-item p { margin: 0; color: var(--ink-soft); font-size: 0.86rem; }

.interest-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.85rem; }
.interest-card { min-height: 172px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); transition: transform 170ms ease, box-shadow 170ms ease, border-color 170ms ease; }
.interest-card:hover { transform: translateY(-4px); border-color: #bdcbc5; box-shadow: var(--shadow-sm); }
.interest-number { color: #88a097; font-family: var(--font-serif); font-size: 0.88rem; }
.interest-card h3 { margin: 1.5rem 0 0; font-size: 1rem; }
.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.project-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); box-shadow: 0 1px 0 rgba(22, 43, 35, 0.02); transition: transform 180ms ease, box-shadow 180ms ease; }
.project-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.project-image-link { display: block; overflow: hidden; }
.project-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform 260ms ease; }
.project-card img.project-image-contain { box-sizing: border-box; object-fit: contain; padding: 0.9rem; background: #fff; }
.project-card img.project-image-left { object-position: 30% center; }
.project-card:hover img { transform: scale(1.015); }
.project-card-body { padding: 1.05rem 1.1rem 1.2rem; }
.project-meta { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 0.9rem; color: var(--ink-soft); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.06em; }
.project-card h3 { margin-bottom: 0.55rem; font-family: var(--font-serif); font-size: 1.16rem; line-height: 1.45; }
.project-card h3 a { text-decoration: none; }
.project-card p { min-height: 5.2em; margin-bottom: 0.8rem; color: var(--ink-soft); font-size: 1rem; line-height: 1.65; }
.project-card-note { display: block; color: var(--accent-dark); font-size: 0.76rem; font-weight: 650; line-height: 1.5; }

.publication-list { padding: 0; margin: 0; list-style: none; }
.publication-item { display: grid; grid-template-columns: 82px 1fr; gap: 1.25rem; padding: 1.55rem 0; border-top: 1px solid var(--line); }
.publication-item:last-child { border-bottom: 1px solid var(--line); }
.publication-year { color: var(--accent); font-family: var(--font-serif); font-size: 1.25rem; }
.publication-item h3 { max-width: 820px; margin-bottom: 0.4rem; font-family: var(--font-serif); font-size: 1.22rem; font-weight: 600; }
.publication-authors, .publication-venue { margin-bottom: 0.25rem; color: var(--ink-soft); font-size: 0.92rem; }
.publication-authors .author-self { color: var(--ink); font-weight: 800; }
.publication-links { display: flex; gap: 0.5rem; margin-top: 0.55rem; color: var(--accent-dark); font-size: 0.78rem; font-weight: 750; text-transform: uppercase; letter-spacing: 0.06em; }
.link-placeholder { color: #8c9591; cursor: help; border-bottom: 1px dotted #8c9591; }
.news-list { border-top: 1px solid var(--line); }
.news-item { display: grid; grid-template-columns: 150px 1fr; gap: 1.5rem; padding: 1.15rem 0; border-bottom: 1px solid var(--line); }
.news-item time { color: var(--accent); font-size: 0.82rem; font-weight: 650; }
.news-item p { margin: 0; }

.site-footer { margin-top: 3rem; color: #dce7e2; background: #172620; }
.footer-shell { display: grid; grid-template-columns: 1fr auto; gap: 2rem 4rem; padding-block: 3.5rem; }
.footer-name { margin-bottom: 0.2rem; color: white; font-family: var(--font-serif); font-size: 1.35rem; }
.footer-shell p { margin-bottom: 0; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 1rem 1.4rem; align-self: center; }
.footer-links a { color: white; text-decoration: none; font-size: 0.9rem; }
.footer-meta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.65rem 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.14); }
.copyright, .visit-counter { color: #aebdb7; font-size: 0.78rem; }
.visit-counter { display: flex; flex-wrap: wrap; gap: 0.25rem 0.55rem; }
.visit-count > span:last-child { color: #dce7e2; font-variant-numeric: tabular-nums; }
.visit-count-separator { color: #71847c; }
.data-error { margin: 1rem auto; padding: 1rem; max-width: var(--shell); color: #7a271f; background: #fff2ef; border: 1px solid #e8bbb4; border-radius: 8px; }

/* Interior pages */
.page-hero { padding-block: clamp(5rem, 11vw, 9.5rem); }
.page-hero h1 { max-width: 930px; }
.page-hero-compact { padding-bottom: clamp(4rem, 8vw, 7rem); }
.page-intro { max-width: 760px; margin-bottom: 0; color: var(--ink-soft); font-family: var(--font-serif); font-size: clamp(1.18rem, 2.2vw, 1.55rem); line-height: 1.55; }
.page-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.page-section { padding-block: clamp(4rem, 8vw, 7rem); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem; min-height: 46px; padding: 0.65rem 1rem; border: 1px solid transparent; border-radius: 999px; text-decoration: none; font-size: 0.88rem; font-weight: 700; transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease; }
.button:hover:not(.button-disabled) { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.button-primary { color: white; background: var(--accent); }
.button-primary:hover { background: var(--accent-dark); }
.button-secondary { color: var(--accent-dark); border-color: var(--line); background: var(--surface); }
.button-disabled { color: #7f8a85; border-color: var(--line); background: #edf0ee; cursor: not-allowed; }
.not-found { min-height: 64vh; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.not-found p { color: var(--ink-soft); }
.callout { margin-block: 1rem 7rem; padding: clamp(2rem, 6vw, 4.5rem); border-radius: 22px; color: white; background: var(--accent-dark); }
.callout .eyebrow { color: #9fd1c1; }
.callout h2 { max-width: 700px; }
.callout p { max-width: 700px; color: #d7e4df; }
.callout .button { margin-top: 0.7rem; color: var(--accent-dark); background: white; }

.research-list { border-top: 1px solid var(--line); }
.research-row { display: grid; grid-template-columns: 62px minmax(220px, 0.85fr) minmax(260px, 1.15fr); gap: clamp(1.25rem, 4vw, 4rem); padding: 2.25rem 0; border-bottom: 1px solid var(--line); }
.research-index { color: #88a097; font-family: var(--font-serif); font-size: 1.1rem; }
.research-summary h3 { margin-bottom: 0.75rem; font-family: var(--font-serif); font-size: 1.55rem; }
.research-summary p, .research-detail p { color: var(--ink-soft); }
.detail-label { margin: 1.8rem 0 0.35rem !important; color: var(--accent) !important; font-size: 0.72rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.research-detail .detail-label:first-child { margin-top: 0 !important; }
.method-tags { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.method-tags span { padding: 0.34rem 0.58rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink-soft); font-size: 0.76rem; }

.publication-group { display: grid; grid-template-columns: 140px 1fr; gap: 2.5rem; margin-bottom: 4rem; }
.publication-group > h2 { color: var(--accent); font-size: 1.75rem; }
.publication-group .publication-item { grid-template-columns: minmax(0, 1fr); }
.publication-group .publication-item:first-child { border-top: 0; padding-top: 0; }
.publication-group .publication-year { display: none; }
.output-summary-grid { display: grid; gap: clamp(3rem, 7vw, 5rem); }
.ip-group { min-width: 0; }
.ip-group-header { display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.ip-group-header h3 { margin: 0; font-family: var(--font-serif); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 500; }
.ip-group-header span { flex: 0 0 auto; color: var(--accent); font-family: var(--font-serif); font-size: 1.15rem; }
.ip-list { margin: 0; padding: 0; list-style: none; counter-reset: ip-item; }
.ip-item { counter-increment: ip-item; display: grid; grid-template-columns: 3.25rem minmax(0, 1fr); gap: 1rem; padding: 1.45rem 0; border-bottom: 1px solid var(--line); }
.ip-item::before { content: counter(ip-item, decimal-leading-zero); color: #88a097; font-family: var(--font-serif); font-size: 1rem; }
.ip-item-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 0.45rem; }
.ip-item h4 { margin: 0; font-family: var(--font-serif); font-size: 1.18rem; font-weight: 600; line-height: 1.45; }
.ip-status { flex: 0 0 auto; padding: 0.28rem 0.6rem; border: 1px solid; border-radius: 999px; font-size: 0.72rem; font-weight: 700; line-height: 1.2; }
.ip-status.is-granted { color: var(--accent-dark); border-color: #9bbcaf; background: #e5f0eb; }
.ip-status.is-review { color: #6c5b32; border-color: #d6c48f; background: #f7f1df; }
.ip-authors { margin-bottom: 0.4rem; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.7; }
.ip-authors .author-self { color: var(--ink); font-weight: 800; }
.ip-meta { display: flex; flex-wrap: wrap; gap: 0.3rem 1.2rem; margin: 0; color: var(--ink-soft); font-size: 0.84rem; }
.ip-meta span { overflow-wrap: anywhere; }
.project-grid-page { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.project-grid-page .project-card:last-child { grid-column: auto; display: block; }

.project-hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(3rem, 7vw, 7rem); align-items: center; padding-block: clamp(4.5rem, 9vw, 8rem); }
.project-hero h1 { font-size: clamp(2.9rem, 6vw, 5rem); }
.project-hero img { width: 100%; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.project-period { margin-top: 1.5rem; color: var(--accent); font-size: 0.83rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.project-content { display: grid; grid-template-columns: 230px 1fr; gap: clamp(3rem, 8vw, 8rem); padding-block: clamp(4rem, 8vw, 7rem); }
.project-aside { align-self: start; position: sticky; top: 110px; }
.project-aside .text-link { display: inline-block; margin-bottom: 1.5rem; }
.project-aside p { margin-bottom: 0.25rem; color: var(--ink-soft); }
.project-narrative h2 { margin-top: 2.6rem; font-size: 1.85rem; }
.project-narrative h2:first-child { margin-top: 0; }
.project-narrative li { margin-bottom: 0.35rem; }
.placeholder-note { margin-top: 3rem !important; padding: 1rem 1.1rem; border-left: 3px solid var(--accent); background: var(--surface-muted); font-size: 0.88rem; }
.placeholder-note code { font-size: 0.82rem; }

.course-list { border-top: 1px solid var(--line); }
.course-row { display: grid; grid-template-columns: minmax(190px, 0.5fr) 1.5fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.course-code { display: block; color: var(--accent); font-family: var(--font-serif); font-size: 1.15rem; }
.course-term { color: var(--ink-soft); font-size: 0.78rem; }
.course-row h3 { margin-bottom: 0.5rem; font-family: var(--font-serif); font-size: 1.35rem; }
.course-row p { margin: 0; color: var(--ink-soft); }
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.resource-card { display: flex; min-height: 220px; flex-direction: column; padding: 1.35rem; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); text-decoration: none; transition: transform 170ms ease, box-shadow 170ms ease; }
.resource-card:hover:not(.resource-placeholder) { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.teaching-page > .page-section:first-child { padding-top: clamp(4.5rem, 9vw, 8rem); }
.teaching-course-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(2rem, 5vw, 5rem); border-top: 1px solid var(--line); }
.teaching-course-list .ip-item { min-height: 8rem; }
.teaching-advisor { color: var(--accent-dark); font-weight: 750; }
.teaching-group > h3 { margin: 0; color: var(--accent); font-family: var(--font-serif); font-size: 1.75rem; font-weight: 500; }
.teaching-record-list { margin: 0; padding: 0; list-style: none; }
.teaching-record { padding: 1.45rem 0; border-top: 1px solid var(--line); }
.teaching-record:first-child { padding-top: 0; border-top: 0; }
.teaching-record:last-child { border-bottom: 1px solid var(--line); }
.teaching-record-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1.25rem; margin-bottom: 0.45rem; }
.teaching-record h4 { max-width: 860px; margin: 0; font-family: var(--font-serif); font-size: 1.22rem; font-weight: 600; line-height: 1.5; }
.teaching-person { flex: 0 0 auto; color: var(--accent-dark); font-size: 0.92rem; font-weight: 750; }
.teaching-honors { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.65rem; }
.teaching-honors span { padding: 0.34rem 0.65rem; border: 1px solid #9bbcaf; border-radius: 999px; color: var(--accent-dark); background: #e5f0eb; font-size: 0.78rem; font-weight: 650; line-height: 1.35; }
.resource-card h3 { font-family: var(--font-serif); font-size: 1.25rem; }
.resource-card p { color: var(--ink-soft); }
.resource-card .text-link { margin-top: auto; }
.resource-placeholder .text-link { color: #87928d; }
.news-list-page .news-item { padding-block: 1.65rem; }
.news-list-page .news-item p { max-width: 820px; font-family: var(--font-serif); font-size: 1.2rem; }

.team-group { margin-bottom: 5rem; }
.team-group h2 { margin-bottom: 1.7rem; font-size: 2rem; }
.member-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.member-card { display: grid; grid-template-columns: 72px 1fr; column-gap: 1.2rem; align-items: center; padding: 1.35rem; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.member-avatar { grid-row: span 3; display: grid; place-items: center; width: 72px; aspect-ratio: 1; border-radius: 50%; color: var(--accent-dark); background: var(--accent-pale); font-family: var(--font-serif); }
.member-card h3 { margin: 0; font-family: var(--font-serif); font-size: 1.2rem; }
.member-card p { margin: 0; color: var(--ink-soft); font-size: 0.88rem; }
.member-card .member-role { color: var(--accent); font-weight: 650; }

.cv-section { display: grid; grid-template-columns: minmax(180px, 0.55fr) 1.45fr; gap: 3rem; padding: 2.7rem 0; border-bottom: 1px solid var(--line); }
.cv-section:first-child { padding-top: 0; }
.cv-section h2 { font-size: 1.75rem; }
.cv-row { display: grid; grid-template-columns: 130px 1fr; gap: 1.5rem; padding: 0.2rem 0 1.6rem; }
.cv-row > p { color: var(--accent); font-size: 0.83rem; font-weight: 650; }
.cv-row h3 { margin-bottom: 0.15rem; font-family: var(--font-serif); font-size: 1.15rem; }
.cv-row div p { margin: 0; color: var(--ink-soft); }

.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 9vw, 9rem); }
.contact-hero { position: relative; min-height: clamp(560px, 62vw, 720px); display: flex; align-items: flex-start; overflow: hidden; margin-top: clamp(1.5rem, 3vw, 2.5rem); padding: clamp(1rem, 1.8vw, 1.5rem); border-radius: 24px; color: white; background: var(--accent-dark); isolation: isolate; }
.contact-hero::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(10, 34, 27, 0.18) 0%, rgba(10, 34, 27, 0.06) 52%, rgba(10, 34, 27, 0) 78%), linear-gradient(180deg, rgba(10, 34, 27, 0.08) 0%, rgba(10, 34, 27, 0) 55%, rgba(10, 34, 27, 0.14) 100%); }
.contact-hero-image { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 58% 54%; transform: scale(1.035); }
.contact-hero-copy { width: 86%; max-width: none; margin-top: 1.75rem; padding: clamp(1.1rem, 1.7vw, 1.5rem); border: 1px solid rgba(255, 255, 255, 0.78); border-radius: var(--radius-md); color: var(--ink); background: rgba(255, 255, 255, 0.88); box-shadow: 0 16px 42px rgba(4, 18, 14, 0.14); backdrop-filter: blur(14px); }
.contact-hero .eyebrow { color: var(--accent); }
.contact-hero h1 { margin-bottom: 0.55rem; font-size: clamp(2.7rem, 4.4vw, 4rem); color: var(--ink); text-shadow: none; }
.contact-hero .page-intro { color: var(--ink-soft); font-family: var(--font-sans); font-size: clamp(1rem, 1.45vw, 1.12rem); line-height: 1.75; text-shadow: none; }
.contact-role { margin-bottom: 0.2rem; font-weight: 650; }
.contact-layout .button { margin-top: 1.25rem; }
.contact-links { border-top: 1px solid var(--line); }
.contact-links a { display: flex; justify-content: space-between; gap: 2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--line); text-decoration: none; font-family: var(--font-serif); font-size: 1.2rem; }
.contact-links a:hover { color: var(--accent); }

@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(12px); animation: reveal 520ms ease forwards; }
  .reveal-delay-1 { animation-delay: 90ms; }
  .interest-card { animation-delay: calc(var(--index, 0) * 55ms); }
  @keyframes reveal { to { opacity: 1; transform: translateY(0); } }
}

@media (max-width: 1020px) {
  .nav-actions { margin-left: auto; gap: 0.55rem; }
  .nav-toggle { display: block; }
  .primary-nav { position: absolute; left: 0; right: 0; top: 100%; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 0.65rem 1.5rem 1.2rem; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: var(--shadow-sm); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 0.75rem 0; }
  .primary-nav a::after { bottom: 0.4rem; }
  .language-switch { padding-left: 0; padding-right: 0.55rem; border-left: 0; border-right: 1px solid var(--line); }
  .profile-hero { min-height: auto; grid-template-columns: minmax(220px, 0.65fr) minmax(0, 1.2fr); column-gap: 3rem; row-gap: 2rem; }
  .section-heading { grid-template-columns: 1fr; gap: 0.5rem; }
  .interest-grid { grid-template-columns: repeat(3, 1fr); }
  .project-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card:last-child { grid-column: auto; display: block; }
  .project-grid-page { grid-template-columns: repeat(2, 1fr); }
  .project-grid-page .project-card:last-child { display: block; }
  .research-row { grid-template-columns: 48px 1fr; }
  .research-detail { grid-column: 2; }
  .publication-group { grid-template-columns: 100px 1fr; gap: 1.5rem; }
  .project-hero { grid-template-columns: 1fr; }
  .project-hero img { max-width: 680px; }
  .member-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .section-shell, .nav-shell, .footer-shell { width: min(calc(100% - 2rem), var(--shell)); }
  .site-mark-text { display: none; }
  .nav-shell { min-height: 66px; }
  .profile-hero { grid-template-columns: 1fr; grid-template-areas: "photo" "copy" "focus"; gap: 2.5rem; padding-block: 3.5rem 4.5rem; }
  .profile-photo-wrap { width: min(74vw, 300px); }
  h1 { font-size: clamp(2.75rem, 16vw, 4.5rem); }
  .section-title-row { align-items: flex-start; flex-direction: column; gap: 0.4rem; }
  .interest-grid { grid-template-columns: repeat(2, 1fr); }
  .interest-card { min-height: 145px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card:last-child { grid-column: auto; display: block; }
  .project-card p { min-height: auto; }
  .publication-item { grid-template-columns: 1fr; gap: 0.35rem; }
  .news-item { grid-template-columns: 1fr; gap: 0.25rem; }
  .section-tint { width: calc(100% - 1rem); padding-inline: 1rem; border-radius: 18px; }
  .footer-shell { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .footer-meta { flex-direction: column; }
  .background-grid { grid-template-columns: 1fr; }
  .background-column:first-child { padding-right: 0; border-right: 0; }
  .background-column:last-child { padding-left: 0; padding-top: 3rem; }
  .research-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .research-detail { grid-column: auto; }
  .publication-group { grid-template-columns: 1fr; gap: 0.5rem; }
  .publication-group > h2 { margin-bottom: 1rem; }
  .ip-item { grid-template-columns: 2.4rem minmax(0, 1fr); gap: 0.65rem; }
  .ip-item-heading { align-items: flex-start; flex-direction: column; gap: 0.55rem; }
  .project-grid-page { grid-template-columns: 1fr; }
  .project-content { grid-template-columns: 1fr; gap: 2.5rem; }
  .project-aside { position: static; }
  .course-row { grid-template-columns: 1fr; gap: 0.6rem; }
  .resource-grid { grid-template-columns: 1fr; }
  .resource-card { min-height: 180px; }
  .teaching-course-list { grid-template-columns: 1fr; }
  .teaching-course-list .ip-item { min-height: auto; }
  .teaching-record-heading { flex-direction: column; gap: 0.45rem; }
  .cv-section { grid-template-columns: 1fr; gap: 1rem; }
  .cv-row { grid-template-columns: 105px 1fr; gap: 1rem; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-hero { min-height: 620px; margin-top: 1rem; padding: 1rem; border-radius: 16px; }
  .contact-hero-image { object-position: 58% 58%; }
  .contact-hero-copy { width: 100%; margin-top: 0; padding: 1.25rem; backdrop-filter: blur(8px); }
  .contact-hero h1 { font-size: clamp(2.7rem, 14vw, 4rem); }
}

@media (max-width: 420px) {
  .interest-grid { grid-template-columns: 1fr; }
  .interest-card { min-height: 116px; }
}