:root {
  --ink: #10263d;
  --ink-2: #183750;
  --paper: #f6f3ec;
  --paper-2: #ece7dc;
  --white: #fffdf8;
  --mist: #e3ece9;
  --teal: #13776f;
  --teal-dark: #0a5c58;
  --teal-soft: #a9d4cc;
  --amber: #d7a03c;
  --muted: #5e6b76;
  --line: rgba(16, 38, 61, 0.15);
  --shadow: 0 16px 44px rgba(16, 38, 61, 0.1);
  --radius: 18px;
  --shell: min(1080px, calc(100vw - 88px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-underline-offset: 0.2em; }
img { display: block; width: 100%; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; top: -60px; left: 16px; z-index: 1000; padding: 9px 14px; border-radius: 9px; background: var(--white); }
.skip-link:focus { top: 12px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background 160ms ease, border-color 160ms ease;
}
.site-header.scrolled { background: rgba(246, 243, 236, 0.94); border-color: var(--line); backdrop-filter: blur(16px); }
.nav-shell { min-height: 66px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; margin-right: auto; text-decoration: none; font-weight: 760; letter-spacing: -0.02em; }
.brand-mark { display: grid; place-items: center; width: 34px; aspect-ratio: 1; border-radius: 50%; background: var(--ink); color: var(--white); font-size: 11px; letter-spacing: 0.05em; }
.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 700; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--teal-dark); }
.site-nav .nav-contact { padding: 7px 14px; border: 1px solid var(--ink); border-radius: 999px; color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.language-switcher { display: inline-grid; grid-template-columns: repeat(3, 1fr); padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.45); }
.language-option { min-width: 31px; height: 27px; padding: 0 7px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); cursor: pointer; font-size: 10px; font-weight: 780; line-height: 1; transition: background 150ms ease, color 150ms ease; }
.language-option:hover { color: var(--teal-dark); }
.language-option.is-active { background: var(--ink); color: var(--white); }
.nav-toggle { display: none; width: 40px; height: 40px; padding: 11px; border: 0; background: transparent; }
.nav-toggle span { display: block; height: 2px; margin: 5px 0; background: var(--ink); transition: transform 160ms ease; }

.hero { position: relative; padding: 108px 0 54px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(125deg, rgba(255,253,248,0.16), rgba(19,119,111,0.035) 58%, transparent 82%); pointer-events: none; }
.hero-glow { position: absolute; width: 560px; height: 560px; right: -180px; top: -130px; border-radius: 50%; background: radial-gradient(circle, rgba(19,119,111,0.13), transparent 67%); pointer-events: none; }
.hero-grid { position: relative; }
.hero-copy { display: flex; min-width: 0; max-width: 980px; flex-direction: column; padding: 14px 0 8px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 15px; color: var(--teal-dark); font-size: 11px; font-weight: 830; letter-spacing: 0.14em; line-height: 1.25; text-transform: uppercase; }
.eyebrow > span:first-child { width: 28px; height: 2px; background: currentColor; }
h1 { max-width: 900px; margin-bottom: 13px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(45px, 5vw, 62px); font-weight: 560; line-height: 1.02; letter-spacing: -0.045em; }
.hero-statement { max-width: 800px; margin-bottom: 12px; color: var(--ink-2); font-family: Georgia, "Times New Roman", serif; font-size: clamp(22px, 2.15vw, 29px); font-weight: 520; line-height: 1.2; letter-spacing: -0.025em; }
.hero-lead { max-width: 760px; margin-bottom: 0; color: #455764; font-size: 14px; line-height: 1.62; }
.profile-facts { display: grid; grid-template-columns: 1.25fr 1fr 0.68fr; margin: 21px 0 19px; border-block: 1px solid var(--line); }
.profile-facts > div { display: block; padding: 13px 18px; border-right: 1px solid var(--line); }
.profile-facts > div:first-child { padding-left: 0; }
.profile-facts > div:last-child { padding-right: 0; border-right: 0; }
.profile-facts dt { margin-bottom: 4px; color: var(--muted); font-size: 9px; font-weight: 820; letter-spacing: 0.09em; text-transform: uppercase; }
.profile-facts dd { display: flex; min-width: 0; flex-direction: column; gap: 1px; margin: 0; }
.profile-facts strong { font-size: 12px; font-weight: 760; line-height: 1.4; }
.profile-facts span { color: var(--muted); font-size: 10px; }
.profile-rank { display: flex; align-items: center; gap: 6px; align-self: flex-start; margin-top: 4px; color: var(--teal-dark); font-size: 9px; font-weight: 730; text-decoration: none; }
.profile-rank::before { content: ""; width: 5px; height: 5px; flex: 0 0 5px; border-radius: 50%; background: var(--amber); }
.profile-rank:hover { text-decoration: underline; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 17px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 43px; padding: 0 18px; border-radius: 999px; text-decoration: none; font-size: 13px; font-weight: 760; transition: transform 140ms ease, background 140ms ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary:hover { background: var(--teal-dark); }
.button-quiet { border: 1px solid var(--line); background: rgba(255,255,255,0.42); }
.identity-links { display: flex; flex-wrap: wrap; gap: 18px; }
.identity-links a { color: var(--muted); text-decoration: none; border-bottom: 1px solid rgba(94,107,118,0.35); font-size: 12px; font-weight: 690; }
.identity-links a:hover { color: var(--teal-dark); }

.portrait-card { position: relative; min-width: 0; aspect-ratio: 4 / 5; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: #e6e4df; box-shadow: 0 20px 58px rgba(16,38,61,0.11); }
.portrait-card::after { content: ""; position: absolute; inset: auto 0 0; height: 32%; background: linear-gradient(transparent, rgba(10,24,38,0.68)); pointer-events: none; }
.portrait-card img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; }
.portrait-card figcaption { position: absolute; z-index: 1; right: 19px; bottom: 17px; left: 19px; display: flex; flex-direction: column; color: var(--white); }
.portrait-card figcaption span { font-family: Georgia, "Times New Roman", serif; font-size: 17px; font-weight: 540; }
.portrait-card figcaption small { color: rgba(255,255,255,0.72); font-size: 9px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }

.focus-panel { position: relative; display: grid; grid-template-columns: minmax(320px, 0.92fr) minmax(360px, 1.08fr); grid-template-rows: auto auto 1fr; gap: 9px clamp(48px, 6vw, 82px); margin-top: 26px; padding: 34px 38px; overflow: hidden; border: 1px solid rgba(255,255,255,0.09); border-radius: 22px; background: linear-gradient(135deg, #10263d 0%, #102b43 100%); color: var(--white); box-shadow: 0 18px 50px rgba(16,38,61,0.11); }
.focus-panel::after { content: ""; position: absolute; width: 310px; height: 310px; right: -165px; bottom: -210px; border-radius: 50%; background: radial-gradient(circle, rgba(169,212,204,0.12), transparent 69%); pointer-events: none; }
.panel-kicker { margin-bottom: 0; color: var(--teal-soft); font-size: 9px; font-weight: 850; letter-spacing: 0.16em; text-transform: uppercase; }
.focus-panel h2 { max-width: 530px; margin-bottom: 4px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(26px, 2.55vw, 36px); font-weight: 520; line-height: 1.1; letter-spacing: -0.035em; }
.focus-list { display: flex; grid-column: 2; grid-row: 1 / span 3; flex-direction: column; align-self: stretch; counter-reset: research-focus; margin: 0; padding: 0; list-style: none; border-block: 1px solid rgba(255,255,255,0.16); }
.focus-list li { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 16px; align-content: center; align-items: center; min-height: 62px; flex: 1; padding: 13px 4px; counter-increment: research-focus; border-bottom: 1px solid rgba(255,255,255,0.13); }
.focus-list li::before { content: "0" counter(research-focus); color: var(--amber); font-size: 10px; font-weight: 850; letter-spacing: 0.12em; }
.focus-list li:last-child { border-bottom: 0; }
.focus-list span { display: none; }
.focus-list strong { color: rgba(255,255,255,0.9); font-size: clamp(14px, 1.25vw, 17px); font-weight: 650; line-height: 1.35; letter-spacing: -0.01em; }
.focus-note { max-width: 500px; align-self: end; margin: 9px 0 0; color: rgba(255,255,255,0.55); font-size: 10px; line-height: 1.5; }

.section { padding: 74px 0; }
.section-paper { background: var(--paper); }
.section-mist { background: var(--mist); }
.section-ink { background: var(--ink); color: var(--white); }
.section-heading { margin-bottom: 34px; }
.research-heading { max-width: 820px; }
.compact-heading { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(300px, 1.1fr); gap: 50px; align-items: end; }
.section-heading h2, .experience-grid h2, .contact-section h2 { margin-bottom: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(32px, 3.6vw, 48px); font-weight: 540; line-height: 1.08; letter-spacing: -0.035em; }
.compact-heading > p { max-width: 620px; margin-bottom: 2px; color: var(--muted); font-size: 16px; }
.section-heading-light .eyebrow { color: var(--teal-soft); }
.section-heading-light > p { color: rgba(255,255,255,0.68); }

.research-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.research-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,253,248,0.65); }
.card-number { display: inline-block; margin-bottom: 28px; color: var(--teal); font-size: 10px; font-weight: 850; letter-spacing: 0.1em; }
.research-card h3 { margin-bottom: 9px; font-family: Georgia, serif; font-size: 22px; font-weight: 540; line-height: 1.18; }
.research-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.methods-row { display: grid; grid-template-columns: 150px 1fr; gap: 24px; align-items: stretch; margin-top: 14px; padding: 20px 23px; border-radius: 14px; background: var(--ink); color: var(--white); }
.methods-row > strong { display: flex; align-items: center; font-size: 10px; font-weight: 820; letter-spacing: 0.1em; text-transform: uppercase; }
.methods-row ul { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.methods-row li { display: flex; align-items: center; padding: 4px 17px; border-left: 1px solid rgba(169,212,204,0.25); color: var(--teal-soft); font-size: 11px; font-weight: 680; line-height: 1.4; }

.publication-section { border-block: 1px solid rgba(16,38,61,0.08); background: #edf0ec; }
.publication-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; }
.publication-record { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 4px; padding: 9px 14px; border: 1px solid rgba(16,38,61,0.2); border-radius: 999px; background: rgba(255,253,248,0.55); color: var(--ink); font-size: 11px; font-weight: 760; text-decoration: none; transition: border-color 160ms ease, background 160ms ease, color 160ms ease; }
.publication-record:hover { border-color: var(--teal); background: var(--white); color: var(--teal-dark); }
.publication-list { display: grid; gap: 10px; }
.publication-entry { position: relative; overflow: hidden; padding: 20px 24px; border: 1px solid rgba(16,38,61,0.13); border-radius: 14px; background: rgba(255,253,248,0.86); box-shadow: 0 5px 18px rgba(16,38,61,0.035); transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease; }
.publication-entry::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: transparent; }
.publication-entry:hover { transform: translateY(-1px); border-color: rgba(16,38,61,0.24); box-shadow: 0 9px 24px rgba(16,38,61,0.065); }
.publication-entry--ssci { background: linear-gradient(90deg, rgba(19,119,111,0.075), rgba(255,253,248,0.96) 28%); }
.publication-entry--ssci::before { background: var(--teal); }
.publication-entry--award { background: linear-gradient(90deg, rgba(215,160,60,0.09), rgba(255,253,248,0.96) 28%); }
.publication-entry--award::before { background: var(--amber); }
.pub-topline { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 9px; }
.pub-topline span { padding: 3px 8px; border: 1px solid rgba(16,38,61,0.11); border-radius: 999px; background: rgba(16,38,61,0.035); color: #66727b; font-size: 8px; font-weight: 800; letter-spacing: 0.075em; line-height: 1.35; text-transform: uppercase; }
.pub-topline .pub-highlight { border-color: rgba(19,119,111,0.2); background: rgba(19,119,111,0.1); color: var(--teal-dark); }
.pub-topline .pub-citation { border-color: rgba(174,117,15,0.22); background: rgba(215,160,60,0.16); color: #80570f; }
.publication-entry--award .pub-topline .pub-highlight { border-color: rgba(174,117,15,0.22); background: rgba(215,160,60,0.16); color: #80570f; }
.publication-entry h3 { max-width: 1040px; margin-bottom: 7px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(19px, 2vw, 23px); font-weight: 540; line-height: 1.24; letter-spacing: -0.018em; }
.pub-authors { margin-bottom: 8px; color: #4e5e69; font-size: 12px; letter-spacing: 0.005em; }
.pub-authors strong { color: var(--teal-dark); font-weight: 820; }
.pub-record-line { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.pub-venue { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin-bottom: 0; color: #6a767e; font-size: 11px; }
.pub-venue em { color: #425360; }
.pub-venue span { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.pub-venue span::before { content: "·"; color: var(--amber); }
.pub-doi { flex: 0 0 auto; color: var(--teal-dark); font-size: 10px; font-weight: 820; letter-spacing: 0.04em; text-decoration: none; text-transform: uppercase; }
.pub-doi:hover { text-decoration: underline; }
.publication-entry .pub-contribution { max-width: 900px; margin: 11px 0 0; padding-top: 10px; border-top: 1px solid rgba(16,38,61,0.09); color: #5f6d76; font-size: 11px; line-height: 1.55; }

.work-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 18px; }
.work-card { display: flex; min-width: 0; flex-direction: column; }
.work-visual { position: relative; width: 100%; overflow: hidden; border: 1px solid rgba(16,38,61,0.12); border-radius: 11px; aspect-ratio: 16 / 9; background: #e7e8e5; transition: border-color 160ms ease, box-shadow 160ms ease; }
.work-card:hover .work-visual { border-color: rgba(16,38,61,0.24); box-shadow: 0 7px 18px rgba(16,38,61,0.055); }
.image-visual img,
.evidence-link img { width: 100%; height: 100%; object-fit: cover; transition: transform 420ms ease; }
.work-card:hover .work-visual > img,
.work-card:hover .evidence-link--primary > img { transform: scale(1.012); }
.evidence-link { position: relative; display: block; width: 100%; height: 100%; overflow: hidden; color: var(--white); text-decoration: none; }
.evidence-link::after { content: "↗"; position: absolute; top: 10px; right: 10px; z-index: 2; display: grid; width: 25px; height: 25px; place-items: center; border: 1px solid rgba(255,255,255,0.4); border-radius: 50%; background: rgba(16,38,61,0.58); color: white; font-size: 10px; opacity: 0; transform: translateY(3px); transition: opacity 180ms ease, transform 180ms ease; backdrop-filter: blur(8px); }
.evidence-link:hover::after,
.evidence-link:focus-visible::after { opacity: 1; transform: none; }
.evidence-label { position: absolute; right: 9px; bottom: 9px; left: 9px; z-index: 2; width: max-content; max-width: calc(100% - 18px); padding: 5px 8px; overflow: hidden; border: 1px solid rgba(255,255,255,0.28); border-radius: 999px; background: rgba(16,38,61,0.72); color: rgba(255,255,255,0.94); font-size: 8px; font-weight: 780; letter-spacing: 0.045em; line-height: 1.2; text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; backdrop-filter: blur(9px); }
.work-visual--duo { background: var(--ink); }
.evidence-link--primary { position: absolute; inset: 0; }
.work-image-inset { position: absolute; right: 10px; bottom: 10px; z-index: 2; width: 35%; height: auto; border: 3px solid rgba(255,255,255,0.94); border-radius: 9px; aspect-ratio: 8 / 5; box-shadow: 0 8px 20px rgba(16,38,61,0.3); }
.work-image-inset::after { top: 7px; right: 7px; width: 21px; height: 21px; }
.work-image-inset .evidence-label { right: 6px; bottom: 6px; left: 6px; max-width: calc(100% - 12px); padding: 4px 6px; font-size: 7px; }
.work-image-inset--wide { width: 42%; aspect-ratio: 16 / 9; }
.work-image-inset--document { background: #f7f4ec; }
.work-image-inset--document img { object-fit: contain; }
.work-visual--document { padding: 10px; background: #efede6; }
.work-visual--document .evidence-link { border: 1px solid rgba(16,38,61,0.1); background: white; box-shadow: 0 6px 18px rgba(16,38,61,0.08); }
.work-visual--document img { object-fit: contain; }
.evidence-visual:not(.work-visual--document) .evidence-link::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(180deg, rgba(16,38,61,0.01) 45%, rgba(16,38,61,0.18)); }
.work-copy { display: flex; min-width: 0; flex: 1; flex-direction: column; padding: 12px 2px 0; }
.work-type { margin-bottom: 6px; color: var(--teal-dark); font-size: 9px; font-weight: 840; letter-spacing: 0.1em; text-transform: uppercase; }
.work-copy h3 { margin-bottom: 8px; font-family: Georgia, serif; font-size: clamp(18px, 1.65vw, 21px); font-weight: 540; line-height: 1.15; }
.work-copy > p:not(.work-type) { margin-bottom: 12px; color: var(--muted); font-size: 11px; line-height: 1.55; }
.work-badge { align-self: flex-start; margin-top: auto; padding: 4px 8px; border-radius: 999px; background: rgba(16,38,61,0.055); color: var(--ink-2); font-size: 8px; font-weight: 720; }
.work-card--award .work-visual { border-color: rgba(174,117,15,0.24); }
.work-card--award .work-badge { background: rgba(215,160,60,0.14); color: #80570f; }

.experience-grid { display: grid; grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.28fr); gap: 64px; }
.experience-grid h2 { margin-bottom: 14px; }
.experience-intro { max-width: 450px; color: #405563; font-size: 15px; }
.education-compact { margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(16,38,61,0.2); }
.education-compact > div { display: flex; flex-direction: column; gap: 2px; margin-top: 13px; }
.education-compact strong { font-family: Georgia, serif; font-size: 17px; font-weight: 540; }
.education-compact span { color: #51636d; font-size: 11px; }
.timeline { border-top: 1px solid rgba(16,38,61,0.22); }
.timeline-item { display: grid; grid-template-columns: 86px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid rgba(16,38,61,0.22); }
.timeline-date { padding-top: 2px; color: var(--teal-dark); font-size: 11px; font-weight: 820; }
.timeline-item h3 { margin-bottom: 2px; font-family: Georgia, serif; font-size: 19px; font-weight: 540; line-height: 1.2; }
.timeline-place { margin-bottom: 7px; color: var(--ink-2); font-size: 10px; font-weight: 790; letter-spacing: 0.06em; text-transform: uppercase; }
.timeline-item div > p:last-child { margin-bottom: 0; color: #455a66; font-size: 12px; }

.contact-section { padding: 62px 0; background: var(--teal-dark); color: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 70px; align-items: end; }
.contact-section h2 { max-width: 690px; }
.eyebrow-light { color: var(--teal-soft); }
.contact-copy > p { max-width: 520px; margin-bottom: 9px; color: rgba(255,255,255,0.76); font-size: 14px; }
.contact-email { display: inline-block; margin: 7px 0 15px; color: white; font-family: Georgia, serif; font-size: clamp(20px, 2.1vw, 27px); text-decoration-color: rgba(255,255,255,0.42); }
.contact-links { display: flex; flex-wrap: wrap; gap: 17px; }
.contact-links a { color: var(--teal-soft); font-size: 12px; font-weight: 720; }
.site-footer { padding: 19px 0; background: var(--ink); color: rgba(255,255,255,0.58); }
.site-footer .shell { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.site-footer p { margin: 0; font-size: 11px; }
.site-footer a { color: var(--teal-soft); font-size: 11px; }

:focus-visible { outline: 3px solid #f0b64f; outline-offset: 3px; box-shadow: 0 0 0 5px var(--ink); }

html[lang^="zh"] body { line-height: 1.65; }
html[lang^="zh"] h1,
html[lang^="zh"] .hero-statement,
html[lang^="zh"] .section-heading h2,
html[lang^="zh"] .experience-grid h2,
html[lang^="zh"] .contact-section h2,
html[lang^="zh"] .focus-panel h2,
html[lang^="zh"] .research-card h3,
html[lang^="zh"] .work-copy h3,
html[lang^="zh"] .timeline-item h3,
html[lang^="zh"] .education-compact strong {
  font-family: "Songti SC", "STSong", Georgia, serif;
  letter-spacing: -0.02em;
}

@media (max-width: 1040px) {
  :root { --shell: min(920px, calc(100vw - 64px)); }
  .hero-grid { grid-template-columns: 1fr 0.78fr; gap: 32px; }
  .work-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .brand-name { display: none; }
  .site-nav { gap: 15px; }
  .site-nav a { font-size: 12px; }
  .hero { padding-top: 102px; }
  .hero-copy { padding-right: 0; }
  .profile-facts { display: block; border-bottom: 0; }
  .profile-facts > div,
  .profile-facts > div:first-child,
  .profile-facts > div:last-child { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 13px; padding: 10px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .portrait-card { width: min(420px, 100%); justify-self: end; }
  .focus-panel { grid-template-columns: 1fr; gap: 10px; }
  .focus-list { grid-column: 1; grid-row: auto; margin: 7px 0 4px; }
  .compact-heading { grid-template-columns: 1fr; gap: 15px; }
  .research-grid { grid-template-columns: 1fr; }
  .card-number { margin-bottom: 15px; }
  .methods-row { grid-template-columns: 1fr; gap: 11px; }
  .publication-heading { align-items: flex-start; }
  .experience-grid { grid-template-columns: 1fr; gap: 36px; }
  .education-compact { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
  .education-compact .panel-kicker { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 28px); --radius: 15px; }
  .site-header { background: rgba(246,243,236,0.95); backdrop-filter: blur(16px); }
  .nav-shell { min-height: 62px; }
  .site-nav { position: absolute; top: 56px; right: 14px; left: 14px; display: none; flex-direction: column; align-items: stretch; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 7px 4px; }
  .site-nav .nav-contact { margin-top: 4px; text-align: center; }
  .nav-toggle { display: block; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .language-switcher { padding: 3px; }
  .language-option { min-width: 30px; height: 36px; padding-inline: 6px; }
  .nav-toggle { width: 44px; height: 44px; padding: 13px; }
  .hero { padding: 92px 0 38px; }
  h1 { font-size: clamp(39px, 12vw, 50px); }
  .hero-statement { font-size: 22px; }
  .hero-lead { font-size: 14px; }
  .profile-facts > div { grid-template-columns: 68px minmax(0, 1fr); }
  .portrait-card { width: 100%; max-width: 420px; justify-self: center; }
  .focus-panel { display: block; margin-top: 18px; padding: 22px; }
  .focus-panel h2 { margin: 8px 0 17px; }
  .focus-list { grid-template-columns: 1fr; margin: 0; }
  .focus-list li { padding: 12px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.16); }
  .focus-list li:last-child { border-bottom: 0; }
  .focus-note { margin-top: 15px; }
  .section { padding: 54px 0; }
  .section-heading { margin-bottom: 25px; }
  .section-heading h2, .experience-grid h2, .contact-section h2 { font-size: 34px; }
  .compact-heading > p { font-size: 14px; }
  .research-card { padding: 19px; }
  .research-card h3 { font-size: 20px; }
  .methods-row ul { grid-template-columns: 1fr; }
  .methods-row li { padding: 9px 0; border-top: 1px solid rgba(169,212,204,0.2); border-left: 0; }
  .publication-heading { flex-direction: column; gap: 15px; }
  .publication-record { align-self: flex-start; margin-bottom: 0; }
  .publication-entry { padding: 18px; }
  .publication-entry h3 { font-size: 19px; }
  .pub-record-line { align-items: flex-start; flex-direction: column; gap: 8px; }
  .work-list { grid-template-columns: 1fr; gap: 12px; }
  .work-image-inset { right: 10px; bottom: 10px; width: 38%; }
  .work-image-inset--wide { width: 42%; }
  .work-copy { padding: 14px; }
  .work-copy h3 { font-size: 18px; }
  .work-copy > p:not(.work-type) { margin-bottom: 10px; font-size: 12px; }
  .timeline-item { grid-template-columns: 74px 1fr; gap: 12px; }
  .education-compact { grid-template-columns: 1fr; }
  .education-compact .panel-kicker { grid-column: auto; }
  .contact-section { padding: 50px 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 27px; }
  .contact-email { overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}