:root {
  --bg: #ffffff;
  --surface: #f5f8f8;
  --surface-strong: #e8f0ef;
  --text: #172123;
  --muted: #5c6b70;
  --line: #dce6e5;
  --teal: #006b6f;
  --teal-deep: #004e52;
  --cyan: #35b8c6;
  --coral: #e86f5a;
  --orange: #ff9400;
  --navy: #08224a;
  --blue: #073f87;
  --shadow: 0 20px 60px rgba(20, 44, 47, 0.12);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  width: 100%;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 48px;
  background: rgba(5, 22, 54, 0.82);
  color: #ffffff;
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.is-scrolled,
.site-header.nav-visible {
  background: rgba(5, 22, 54, 0.95);
  color: #ffffff;
  box-shadow: 0 1px 24px rgba(5, 22, 54, 0.22);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 1 auto;
  gap: 12px;
  min-width: 0;
}

.brand > span:last-child {
  min-width: 0;
}

.brand-mark {
  width: 54px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid currentColor;
  background: rgba(255, 255, 255, 0.14);
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
}

.site-header.is-scrolled .brand-mark,
.site-header.nav-visible .brand-mark {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.76);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.brand strong {
  font-size: 15px;
}

.brand small {
  color: currentColor;
  font-size: 12px;
  opacity: 0.76;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  font-weight: 600;
}

.site-nav a {
  position: relative;
  padding: 8px 4px;
}

.site-nav a:not(.active)::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.site-nav a.active {
  padding: 7px 18px;
  border-radius: 999px;
  background: var(--orange);
  color: #ffffff;
}

.nav-toggle {
  display: none;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 130px 48px 42px;
  color: #ffffff;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 17, 43, 0.9), rgba(4, 23, 53, 0.56) 48%, rgba(4, 23, 53, 0.08)),
    linear-gradient(0deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--max), 100%);
  margin: 0 auto;
  margin-left: calc((100% - min(var(--max), 100%)) / 2);
}

.eyebrow,
.section-kicker,
.label {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.hero .eyebrow {
  color: #9ff1f5;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: 56px;
  line-height: 1.12;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.hero-copy {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 20px;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-slider-viewport {
  position: relative;
  margin-top: 76px;
  overflow: hidden;
}

.hero-slider {
  display: flex;
  gap: 28px;
  transition: transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.hero-slider.is-resetting {
  transition: none;
}

.hero-carousel-control {
  position: absolute;
  top: 18px;
  z-index: 3;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 50%;
  background: rgba(5, 22, 54, 0.68);
  color: #ffffff;
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transform: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.hero-carousel-control:hover,
.hero-carousel-control:focus-visible {
  border-color: var(--orange);
  background: var(--orange);
  transform: scale(1.04);
}

.hero-carousel-control-prev {
  left: 12px;
}

.hero-carousel-control-next {
  right: 12px;
}

.slide-card {
  position: relative;
  flex: 0 0 calc((100% - 56px) / 3);
  min-width: 0;
  min-height: 190px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px 22px;
  border-radius: 8px;
  background: #0c1d36;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.28);
}

.slide-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
}

.slide-card::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.08));
}

.slide-card .slide-date,
.slide-card strong,
.slide-card em {
  position: relative;
  z-index: 1;
  display: block;
  margin-left: 0;
  margin-right: 0;
}

.slide-card .slide-date {
  margin-top: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 700;
}

.slide-card strong {
  margin-top: 8px;
  color: #ffffff;
  line-height: 1.3;
}

.slide-card em {
  margin-top: 12px;
  color: var(--orange);
  font-style: normal;
  font-weight: 800;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 800;
  line-height: 1.3;
}

.button-primary {
  background: #ffffff;
  color: var(--teal-deep);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.72);
  color: #ffffff;
}

.stats-band {
  display: none;
  width: min(var(--max), calc(100% - 48px));
  margin: -40px auto 0;
  position: relative;
  z-index: 2;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.stat {
  min-height: 120px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.stat:last-child {
  border-right: 0;
}

.stat strong {
  display: block;
  color: var(--teal);
  font-size: 34px;
  line-height: 1.1;
}

.stat span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 92px 24px;
}

.section-muted {
  background: #f3f5f7;
}

.section-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading h2,
.section-intro h2,
.section-join h2 {
  margin: 0;
  font-size: 36px;
  line-height: 1.25;
}

.reference-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.82fr);
  gap: 64px;
  align-items: center;
}

.reference-heading {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 34px;
}

.reference-heading span {
  position: relative;
  color: var(--orange);
  font-size: 38px;
  font-weight: 900;
  line-height: 1;
}

.reference-heading span::before {
  display: inline-block;
  width: 10px;
  height: 38px;
  margin-right: 14px;
  background: var(--orange);
  content: "";
  vertical-align: -6px;
}

.reference-heading h2 {
  position: relative;
  flex: 1;
  margin: 0;
  font-size: 32px;
  line-height: 1.2;
}

.reference-heading h2::after {
  display: block;
  height: 2px;
  margin-top: -15px;
  margin-left: 230px;
  background: var(--orange);
  content: "";
}

.reference-copy p {
  max-width: 650px;
  margin: 0;
  color: #253444;
  font-size: 18px;
}

.research-bullets {
  display: grid;
  gap: 10px;
  margin: 24px 0 34px;
  padding: 0;
  color: var(--blue);
  font-size: 20px;
  font-weight: 800;
  list-style: none;
}

.research-bullets li::before {
  display: inline-block;
  width: 10px;
  height: 18px;
  margin-right: 12px;
  background: var(--orange);
  content: "";
  vertical-align: -2px;
}

.pill-link {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 999px;
  background: var(--blue);
  color: #ffffff;
  font-weight: 900;
}

.reference-image {
  margin: 0;
  padding: 8px;
  background: #ffffff;
  box-shadow: 0 24px 40px rgba(9, 28, 54, 0.22);
}

.reference-image img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
}

.research-themes {
  padding-top: 74px;
  padding-bottom: 74px;
}

.section-heading p:not(.section-kicker),
.section-join p,
.intro-text,
.pi-panel p,
.research-card p,
.member-card p,
.publication-item p,
.news-item p {
  color: var(--muted);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: start;
}

.intro-text {
  margin: 0;
  font-size: 18px;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.research-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.research-card,
.member-card,
.news-item,
.credential-card {
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.team-showcase {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 86px 24px;
  color: #ffffff;
}

.team-showcase > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.16));
}

.team-content {
  position: relative;
  width: min(var(--max), 100%);
  text-align: center;
}

.reference-heading-light {
  justify-content: center;
}

.reference-heading-light h2 {
  flex: 0 1 auto;
  color: #ffffff;
}

.reference-heading-light h2::after {
  margin: 22px auto 0;
  width: 520px;
  background: rgba(255, 255, 255, 0.78);
}

.team-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  margin-top: 250px;
  margin-bottom: 34px;
}

.team-metrics strong,
.team-metrics span {
  display: block;
  text-shadow: 0 3px 16px rgba(0, 0, 0, 0.44);
}

.team-metrics strong {
  font-size: 42px;
  line-height: 1.1;
}

.team-metrics span {
  margin-top: 6px;
  font-style: italic;
  font-weight: 800;
}

.pill-link-light {
  background: #ffffff;
  color: var(--blue);
}

.research-card {
  display: flex;
  flex-direction: column;
}

.card-index {
  color: var(--coral);
  font-size: 14px;
  font-weight: 800;
}

.research-card h3,
.member-card h3,
.publication-item h3,
.news-item h3,
.pi-panel h3 {
  margin: 14px 0 10px;
  line-height: 1.35;
}

.research-card p,
.member-card p,
.credential-card p,
.publication-item p,
.news-item p,
.pi-panel p {
  margin: 0;
}

.people-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 32px;
  align-items: stretch;
}

.pi-panel {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 26px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.pi-photo {
  width: 118px;
  aspect-ratio: 4 / 5;
  align-self: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  object-fit: cover;
  object-position: center top;
  box-shadow: 0 18px 34px rgba(9, 28, 54, 0.12);
}

.team-feature,
.profile-snapshot {
  display: grid;
  grid-template-columns: 1fr 0.46fr;
  gap: 0;
  margin: 28px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.team-feature img,
.profile-snapshot img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.profile-snapshot img {
  object-fit: contain;
  background: #ffffff;
}

.team-feature figcaption,
.profile-snapshot figcaption {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 34px;
}

.team-feature span,
.profile-snapshot span,
.paper-card span {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.team-feature strong,
.profile-snapshot strong {
  margin-top: 10px;
  font-size: 24px;
  line-height: 1.25;
}

.team-feature p,
.profile-snapshot p {
  margin: 14px 0 0;
  color: var(--muted);
}

.pi-panel a,
.text-link {
  color: var(--teal);
  font-weight: 800;
}

.paper-count {
  color: var(--teal);
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 16px;
  color: var(--muted);
}

.contact-row a[target="_blank"]::after,
.detail-actions a[target="_blank"]::after {
  content: " ↗";
  font-size: 0.85em;
  font-weight: 900;
}

.profile-link {
  display: inline-flex;
  margin-top: 10px;
}

.avatar {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-strong);
  color: var(--teal-deep);
  font-weight: 800;
}

.avatar-large {
  width: 112px;
  height: 112px;
  background: var(--teal);
  color: #ffffff;
  font-size: 26px;
}

.credential-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.credential-card {
  min-height: 180px;
  background: #ffffff;
}

.credential-card span {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.credential-card h3 {
  margin: 12px 0 10px;
}

.profile-detail-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 18px;
  margin-top: 28px;
}

.detail-panel {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.panel-heading {
  margin-bottom: 18px;
}

.panel-heading h3 {
  margin: 0;
  font-size: 24px;
}

.timeline-list,
.project-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-list li {
  padding-left: 18px;
  border-left: 3px solid var(--surface-strong);
}

.timeline-list time,
.project-item time {
  display: block;
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
}

.timeline-list strong {
  display: block;
  margin-top: 4px;
  line-height: 1.45;
}

.timeline-list p,
.project-item p {
  margin: 6px 0 0;
  color: var(--muted);
}

.timeline-list.compact {
  gap: 20px;
}

.detail-page .section,
.detail-page .site-footer {
  scroll-margin-top: 92px;
}

.detail-hero {
  position: relative;
  min-height: 430px;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 150px 24px 80px;
  color: #ffffff;
}

.detail-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-hero::after {
  position: absolute;
  inset: 0;
  background: rgba(5, 22, 54, 0.64);
  content: "";
}

.detail-hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.detail-hero .section-kicker {
  color: #7ff2ff;
}

.detail-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(38px, 6vw, 76px);
  line-height: 1.05;
}

.detail-hero p:not(.section-kicker) {
  max-width: 760px;
  margin: 24px 0 0;
  font-size: 20px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 42px;
  align-items: start;
}

.detail-lead {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.detail-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.detail-card {
  min-height: 210px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.detail-card span {
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.detail-card h3 {
  margin: 12px 0 10px;
  line-height: 1.35;
}

.detail-card p {
  margin: 0;
  color: var(--muted);
}

.contact-card-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-email-card {
  min-height: 150px;
  grid-column: 1 / -1;
}

.contact-email-link {
  display: inline-flex;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--teal);
  font-size: 22px;
  line-height: 1.35;
}

.protected-email:empty::before {
  content: "Email protected";
  color: var(--muted);
  font-size: 15px;
}

.request-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.request-form h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
}

.request-summary {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid rgba(0, 107, 111, 0.18);
  border-radius: 6px;
  background: #eef7f6;
  color: var(--teal-deep);
  font-weight: 800;
}

.form-field {
  display: grid;
  gap: 6px;
  color: #2f3d42;
  font-size: 14px;
  font-weight: 800;
}

.form-field input,
.form-field textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-weight: 500;
}

.form-field textarea {
  min-height: 112px;
  resize: vertical;
}

.request-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.request-form .button-primary {
  background: var(--teal);
  color: #ffffff;
}

.request-form .button-secondary {
  border-color: var(--line);
  color: var(--teal-deep);
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.detail-actions .button {
  min-height: 48px;
}

.detail-paper-links {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.detail-paper-links a {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.detail-paper-links strong,
.detail-paper-links span {
  display: block;
}

.detail-paper-links span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.member-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.member-card {
  min-height: 190px;
}

.heading-row {
  max-width: none;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
}

.heading-row .detail-actions {
  margin-top: 0;
}

.publication-list {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.impact-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--line);
  background: #ffffff;
}

.impact-panel div {
  min-height: 150px;
  padding: 24px;
  border-right: 1px solid var(--line);
}

.impact-panel div:last-child {
  border-right: 0;
}

.impact-panel strong {
  display: block;
  color: var(--teal);
  font-size: 30px;
  line-height: 1.15;
}

.impact-panel span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.paper-group {
  margin-top: 38px;
}

.paper-group-heading {
  margin-bottom: 18px;
}

.paper-group-heading h3 {
  margin: 0;
  font-size: 26px;
  line-height: 1.25;
}

.paper-group-collapsible {
  padding-top: 8px;
}

.paper-group-collapsible summary {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  border: 1px dashed #bac8cc;
  border-radius: 8px;
  background: #ffffff;
  color: #172123;
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}

.paper-group-collapsible summary::-webkit-details-marker {
  display: none;
}

.paper-group-collapsible summary::after {
  content: "+";
  width: 28px;
  height: 28px;
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-strong);
  color: var(--teal-deep);
}

.paper-group-collapsible[open] summary::after {
  content: "-";
}

.paper-group-collapsible summary strong {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
}

.paper-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 0;
}

.paper-list-featured {
  margin-top: 0;
}

.paper-entry {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(9, 28, 54, 0.08);
}

.paper-date {
  color: #758187;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
}

.paper-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.paper-venue {
  color: #172123;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.3;
}

.paper-badge {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid rgba(0, 107, 111, 0.2);
  border-radius: 4px;
  background: #eef7f6;
  color: var(--teal-deep);
  font-size: 11px;
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.badge-journal {
  border-color: rgba(7, 63, 135, 0.18);
  background: #eef4ff;
  color: #073f87;
}

.badge-conference {
  border-color: rgba(23, 33, 35, 0.2);
  background: #eef1f2;
  color: #172123;
}

.badge-arxiv {
  border-color: rgba(232, 111, 90, 0.22);
  background: #fff2ef;
  color: #a6402e;
}

.badge-under-review {
  border-style: dashed;
  border-color: #aab7bb;
  background: #f7f8f8;
  color: #5c6b70;
}

.paper-entry h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.4;
}

.paper-title-link {
  color: #062d66;
  overflow-wrap: anywhere;
  transition: color 160ms ease;
}

.paper-title-link:hover {
  color: var(--orange);
}

.paper-title-link.is-disabled,
.paper-title-link[aria-disabled="true"] {
  color: var(--text);
  cursor: default;
}

.paper-title-link.is-disabled:hover,
.paper-title-link[aria-disabled="true"]:hover {
  color: var(--text);
}

.paper-authors {
  margin: 0;
  color: #4f5c61;
  font-size: 14px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.paper-authors strong {
  color: #172123;
  font-weight: 800;
}

.paper-actions,
.paper-resources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.paper-action-button,
.paper-action-status,
.paper-resource,
.paper-citations {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #ffffff;
  font-size: 12px;
  font-weight: 850;
  line-height: 1.2;
  white-space: nowrap;
}

.paper-action-button {
  color: var(--teal-deep);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.paper-action-button:hover,
.paper-action-button.is-copied {
  border-color: var(--teal);
  background: var(--teal);
  color: #ffffff;
}

.paper-action-button:first-child {
  border-color: rgba(0, 107, 111, 0.22);
  background: #eef7f6;
}

.paper-action-status {
  border-style: dashed;
  background: #f8f9f9;
  color: #67767b;
}

.paper-resource {
  border-color: rgba(7, 63, 135, 0.16);
  background: #f4f8ff;
  color: #073f87;
}

.paper-resource-link:hover {
  border-color: rgba(7, 63, 135, 0.36);
  background: #e8f1ff;
}

.paper-resource.is-muted {
  border-style: dashed;
  background: #f8f9f9;
  color: #67767b;
}

.paper-citations {
  border-color: rgba(255, 148, 0, 0.24);
  background: #fff7e9;
  color: #8f5100;
}

.paper-figure-link {
  display: grid;
  aspect-ratio: 16 / 10;
  place-items: center;
  margin-top: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  overflow: hidden;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.paper-figure-link:hover {
  border-color: rgba(0, 107, 111, 0.36);
  box-shadow: 0 18px 34px rgba(9, 28, 54, 0.12);
  transform: translateY(-2px);
}

.paper-figure-link.is-disabled,
.paper-figure-link[aria-disabled="true"] {
  cursor: default;
  pointer-events: none;
}

.paper-figure-link.is-disabled:hover,
.paper-figure-link[aria-disabled="true"]:hover {
  border-color: var(--line);
  box-shadow: none;
  transform: none;
}

.paper-figure-link img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.paper-figure-link picture {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.paper-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.publication-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.publication-cta p {
  margin: 0;
  color: var(--muted);
}

.publication-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.pub-year {
  color: var(--teal);
  font-size: 20px;
  font-weight: 800;
}

.publication-item h3 {
  margin-top: 0;
  font-size: 20px;
}

.paper-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--teal);
  font-weight: 800;
}

.paper-library {
  margin-top: 34px;
}

.library-heading {
  margin-bottom: 18px;
}

.library-heading h3 {
  margin: 0;
  font-size: 24px;
}

.paper-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.paper-card {
  min-height: 150px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.paper-card strong {
  display: block;
  margin-top: 10px;
  line-height: 1.35;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.news-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
  align-items: start;
}

.news-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.news-card time {
  display: block;
  color: var(--coral);
  font-weight: 800;
}

.news-card h3 {
  margin: 10px 0 8px;
  line-height: 1.35;
}

.news-card p {
  margin: 0;
  color: var(--muted);
}

.news-card a {
  display: inline-flex;
  margin-top: 14px;
  color: var(--teal);
  font-weight: 800;
}

.news-featured {
  padding: 0;
  overflow: hidden;
}

.news-featured img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.news-featured div {
  padding: 24px;
}

.news-list {
  display: grid;
  gap: 14px;
}

.project-list {
  gap: 0;
  border-top: 1px solid var(--line);
}

.project-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 28px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.project-item h3 {
  margin: 0;
  line-height: 1.35;
}

.news-item time {
  color: var(--coral);
  font-weight: 800;
}

.section-join {
  background: var(--teal-deep);
  color: #ffffff;
}

.section-join .section-kicker,
.section-join p {
  color: rgba(255, 255, 255, 0.78);
}

.join-contact-stack {
  display: grid;
  gap: 48px;
}

.join-contact-block {
  padding-top: 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.join-contact-block .section-heading p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.78);
}

.join-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 58px;
  align-items: start;
}

.join-list {
  display: grid;
  gap: 14px;
}

.join-list div {
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.join-list strong,
.join-list span {
  display: block;
}

.join-list span {
  color: rgba(255, 255, 255, 0.72);
}

.contact-card-grid-on-dark .detail-card {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.16);
}

.contact-card-grid-on-dark .detail-card h3 {
  color: var(--text);
}

.contact-card-grid-on-dark .detail-card p {
  color: var(--muted);
}

.contact-card-grid-on-dark .contact-email-link {
  color: var(--teal);
}

.site-footer {
  padding: 38px 24px;
  background: #11191b;
  color: #ffffff;
}

.footer-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 32px;
}

.site-footer p,
.site-footer address {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-style: normal;
}

.site-footer a {
  color: #9ff1f5;
}

.paper-title-link[href^="http"]::after,
.news-card a[href^="http"]::after,
.slide-card[href^="http"] em::after {
  content: " ↗";
  font-size: 0.85em;
  font-weight: 900;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 18;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 50%;
  background: var(--blue);
  color: #ffffff;
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 16px 34px rgba(9, 28, 54, 0.22);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease, background 160ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--orange);
}

@media (max-width: 980px) {
  .site-header {
    padding: 0 24px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 24px 28px;
    background: #ffffff;
    color: var(--text);
    box-shadow: 0 24px 40px rgba(23, 33, 35, 0.14);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .hero {
    min-height: 70vh;
    padding: 112px 24px 74px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-copy {
    font-size: 18px;
  }

  .hero-slider-viewport {
    margin-top: 46px;
  }

  .hero-slider {
    gap: 18px;
  }

  .slide-card {
    flex-basis: calc((100% - 18px) / 2);
  }

  .reference-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .reference-heading h2::after {
    display: none;
  }

  .team-showcase {
    min-height: 500px;
  }

  .team-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 160px;
  }

  .stats-band,
  .research-grid,
  .research-grid-three,
  .credential-grid,
  .impact-panel,
  .paper-grid,
  .member-grid,
  .news-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .paper-list {
    grid-template-columns: 1fr;
  }

  .profile-detail-grid,
  .team-feature,
  .profile-snapshot,
  .news-layout,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .impact-panel div:nth-child(2) {
    border-right: 0;
  }

  .impact-panel div:nth-child(1),
  .impact-panel div:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }

  .stat:nth-child(2) {
    border-right: 0;
  }

  .stat:nth-child(1),
  .stat:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }

  .intro-grid,
  .people-layout,
  .join-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .site-header {
    height: 68px;
    padding: 0 16px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    display: none;
  }

  .brand-mark {
    width: 48px;
    height: 38px;
  }

  .site-nav {
    top: 68px;
  }

  .hero {
    display: block;
    min-height: auto;
    padding: 0 18px;
  }

  .hero-content {
    padding: 100px 0 62px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(0, 63, 67, 0.9), rgba(0, 63, 67, 0.56)),
      linear-gradient(0deg, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0));
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-copy {
    width: min(300px, calc(100vw - 56px));
    max-width: min(300px, calc(100vw - 56px));
    font-size: 17px;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  .hero-slider-viewport {
    margin-top: 34px;
  }

  .slide-card {
    flex-basis: 100%;
    min-height: 160px;
  }

  .hero-carousel-control {
    top: 14px;
    z-index: 6;
    width: 32px;
    height: 32px;
    font-size: 24px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  }

  .hero-carousel-control-prev {
    right: auto;
    left: 14px;
  }

  .hero-carousel-control-next {
    right: auto;
    left: 56px;
  }

  .slide-card .slide-date {
    margin-top: 0;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .stats-band {
    width: calc(100% - 28px);
    margin-top: -28px;
    grid-template-columns: 1fr;
  }

  .stat,
  .stat:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 66px 18px;
  }

  .detail-hero {
    min-height: 360px;
    padding: 120px 18px 58px;
  }

  .detail-hero-inner {
    width: calc(100vw - 36px);
    max-width: calc(100vw - 36px);
  }

  .detail-hero h1 {
    max-width: calc(100vw - 36px);
    font-size: 34px;
    overflow-wrap: anywhere;
  }

  .detail-hero p:not(.section-kicker) {
    max-width: calc(100vw - 36px);
    font-size: 17px;
    overflow-wrap: anywhere;
  }

  .detail-card-grid {
    grid-template-columns: 1fr;
  }

  .pi-photo {
    width: 108px;
  }

  .paper-entry {
    padding: 18px;
  }

  .paper-entry h3 {
    font-size: 1.05rem;
  }

  .paper-meta {
    align-items: flex-start;
  }

  .paper-figure-link {
    min-height: 190px;
    padding: 10px;
  }

  .paper-figure-link img {
    max-height: none;
  }

  .section-heading h2,
  .section-intro h2,
  .section-join h2 {
    font-size: 28px;
  }

  .reference-heading {
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 24px;
  }

  .reference-heading span {
    font-size: 28px;
  }

  .reference-heading span::before {
    height: 30px;
    margin-right: 10px;
  }

  .reference-heading h2 {
    font-size: 28px;
  }

  .reference-copy p {
    font-size: 16px;
  }

  .research-bullets {
    font-size: 17px;
  }

  .team-showcase {
    min-height: 620px;
    padding: 62px 18px;
  }

  .team-metrics {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 150px;
  }

  .team-metrics strong {
    font-size: 34px;
  }

  .reference-heading-light {
    justify-content: flex-start;
    text-align: left;
  }

  .research-grid,
  .research-grid-three,
  .credential-grid,
  .impact-panel,
  .paper-grid,
  .member-grid,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .pi-panel,
  .publication-item,
  .project-item {
    grid-template-columns: 1fr;
  }

  .pi-panel {
    padding: 24px;
  }

  .detail-panel {
    padding: 24px;
  }

  .team-feature figcaption,
  .profile-snapshot figcaption {
    padding: 24px;
  }

  .team-feature img,
  .profile-snapshot img {
    min-height: 220px;
  }

  .impact-panel div,
  .impact-panel div:nth-child(2) {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .impact-panel div:last-child {
    border-bottom: 0;
  }

  .heading-row,
  .footer-inner {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 430px) {
  .site-header {
    width: 100vw;
  }

  .brand {
    max-width: calc(100vw - 92px);
  }

  .hero-content {
    width: calc(100vw - 36px);
    max-width: calc(100vw - 36px);
    margin-left: 0;
    margin-right: 0;
  }

  .hero .eyebrow,
  .hero h1,
  .hero-copy {
    max-width: calc(100vw - 36px);
  }

  .hero-copy {
    width: min(300px, calc(100vw - 56px));
    max-width: min(300px, calc(100vw - 56px));
    overflow-wrap: anywhere;
    word-break: normal;
  }
}