:root {
  --color-ink: #161616;
  --color-muted: #5e5e5e;
  --color-line: #d8d8d8;
  --color-paper: #ffffff;
  --color-soft: #f6f6f4;
  --color-accent: #8c1515;
  --color-accent-dark: #5f0f0f;
  --layout-max: 1120px;
  --space-page-x: 24px;
}

/* Base */
* {
  box-sizing: border-box;
}

html {
  color: var(--color-ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  overflow-y: scroll;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  background: var(--color-paper);
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1;
}

.hero-motto {
  margin-bottom: 0;
  font-family: "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  font-size: clamp(34px, 4vw, 54px);
  font-style: italic;
  font-weight: 400;
  line-height: 1.18;
}

.hero-motto span {
  display: block;
  white-space: nowrap;
}

.hero-motto span:nth-child(2) {
  margin-left: 0;
}

.hero-motto span:nth-child(3) {
  margin-left: 0;
}

.hero-motto em {
  color: var(--color-accent);
  font-style: italic;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3.8vw, 40px);
  line-height: 1.12;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.28;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(10px);
}

.top-rule {
  height: 6px;
  background: var(--color-accent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--layout-max);
  min-height: 74px;
  margin: 0 auto;
  padding: 0 var(--space-page-x);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  color: var(--color-ink);
  font-weight: 700;
}

.brand img {
  width: 106px;
  height: 36px;
  object-fit: contain;
}

.brand .zju-mark {
  width: 36px;
  height: 36px;
}

.brand span {
  max-width: 300px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.site-nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.site-nav a {
  color: var(--color-ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav a[aria-current="page"] {
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-line);
  background: var(--color-paper);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-ink);
}

/* Shared Layout */
.lab-intro,
.research-overview,
.front-columns,
.source-band,
.home-research-heading,
.page {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding-right: var(--space-page-x);
  padding-left: var(--space-page-x);
}

.page {
  padding-top: 54px;
  padding-bottom: 78px;
}

.home-page {
  max-width: var(--layout-max);
  margin: 0 auto;
  padding-right: var(--space-page-x);
  padding-left: var(--space-page-x);
}

.home-page .lab-intro,
.home-page .research-overview,
.home-page .front-columns,
.home-page .source-band,
.home-page .home-research-heading {
  padding-right: 0;
  padding-left: 0;
}

.page-heading {
  max-width: 820px;
  margin-bottom: 42px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-line);
}

.page-heading.wide {
  max-width: 980px;
}

.page-heading h1 {
  font-size: clamp(36px, 4.7vw, 58px);
}

.page-heading p:not(.eyebrow) {
  color: var(--color-muted);
  font-size: 17px;
}

.eyebrow,
.tag {
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 12px;
  white-space: nowrap;
}

.tag {
  display: inline-flex;
  margin-bottom: 18px;
}

.section-heading {
  margin-bottom: 24px;
}

.muted,
.research-overview p,
.research-showcase p,
.publication p,
.profile-bio,
.profile-head p,
.news-list span {
  color: var(--color-muted);
}

.source-links,
.paper-links,
.profile-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.source-links a,
.paper-links a,
.paper-links button,
.profile-links a,
.research-showcase a,
.contact-box a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--color-line);
  background: var(--color-paper);
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 700;
}

.paper-links button {
  cursor: pointer;
  font-family: inherit;
}

/* Home */
.lab-hero {
  min-height: 0;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-line);
}

.hero-identity {
  display: grid;
  grid-template-columns: 1fr;
  justify-items: stretch;
}

.hero-identity .eyebrow {
  justify-self: start;
}

.hero-logo {
  justify-self: center;
  width: min(560px, 86%);
  margin: 10px 0 24px;
  object-fit: contain;
}

.hero-motto {
  justify-self: center;
  text-align: center;
}

.team-header-photo {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 48px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-soft);
}

.home-research-heading {
  padding-top: 28px;
  padding-bottom: 0;
}

.home-research-heading h2 {
  margin-bottom: 0;
}

.lab-intro {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 34px;
  padding-top: 24px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-line);
}

.lab-intro p {
  max-width: 720px;
  color: var(--color-muted);
  font-size: 18px;
}

.intro-facts {
  display: grid;
  gap: 12px;
  align-content: start;
}

.intro-facts span {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-muted);
}

.intro-facts strong {
  color: var(--color-ink);
}

.research-overview {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding-top: 22px;
  padding-bottom: 42px;
}

.research-overview article,
.research-showcase article,
.profile-card,
.publication,
.contact-box {
  border-top: 3px solid var(--color-accent);
  background: var(--color-paper);
}

.research-overview img,
.research-thumb {
  width: 100%;
  aspect-ratio: 1279 / 825;
  object-fit: cover;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-soft);
}

.front-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 34px;
  padding-top: 42px;
  padding-bottom: 46px;
  border-top: 1px solid var(--color-line);
}

.featured-list {
  display: grid;
  gap: 30px;
}

.featured-list a {
  display: grid;
  gap: 12px;
  align-content: start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-line);
}

.featured-list a:last-child {
  border-bottom: 0;
}

.featured-list img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.featured-list time,
.news-list time {
  display: block;
  margin-bottom: 7px;
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.featured-list strong {
  color: var(--color-ink);
  font-size: 22px;
  line-height: 1.35;
}

.news-panel {
  padding-left: 28px;
  border-left: 1px solid var(--color-line);
}

.news-panel h2,
.publication-year h2,
.people-section h2 {
  font-size: 30px;
}

.news-list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list a {
  display: block;
  color: inherit;
}

.news-list a:hover {
  color: inherit;
  text-decoration: none;
}

.news-list a:hover span {
  color: var(--color-accent);
}

.news-photo {
  width: 100%;
  margin-top: 12px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.news-facts {
  margin-bottom: 34px;
  padding-bottom: 0;
  border-bottom: 0;
}

.home-life-preview,
.home-follow-preview,
.home-contact-preview {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--color-line);
}

.home-life-preview h2,
.home-follow-preview h2,
.home-contact-preview h2 {
  font-size: 30px;
}

.home-contact-preview p {
  color: var(--color-muted);
}

.compact-slideshow {
  display: block;
  margin-bottom: 12px;
}

.home-life-preview h2 a {
  color: var(--color-ink);
}

.home-life-preview h2 a:hover {
  color: var(--color-accent);
}

.source-band {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  padding-top: 28px;
  padding-bottom: 30px;
  border-top: 1px solid var(--color-line);
}

.source-band h2 {
  font-size: 26px;
}

.source-band p {
  margin-bottom: 0;
  color: var(--color-muted);
}

/* Research */
.research-showcase,
.lab-system,
.video-showcase {
  width: 100%;
}

.research-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.research-showcase article {
  padding-bottom: 24px;
}

.research-showcase article > :not(img) {
  margin-right: 20px;
  margin-left: 20px;
}

.clean-list {
  margin: 18px 20px 20px;
  padding-left: 18px;
  color: var(--color-muted);
}

.lab-system {
  padding-top: 56px;
  padding-bottom: 66px;
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.system-grid div {
  min-height: 132px;
  padding: 22px;
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.system-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.video-showcase {
  padding-top: 54px;
  padding-bottom: 70px;
  border-top: 1px solid var(--color-line);
}

.video-showcase .section-heading {
  margin-bottom: 28px;
}

.video-row {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.95fr);
  gap: 28px;
  align-items: center;
  padding: 26px 0;
  border-top: 1px solid var(--color-line);
}

.video-row h3 {
  margin-bottom: 12px;
  font-family: var(--font-sans);
  font-size: 24px;
  line-height: 1.25;
}

.video-row p:not(.eyebrow) {
  color: var(--color-muted);
}

.video-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-soft);
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.system-grid span {
  color: var(--color-muted);
}

/* People */
.people-section + .people-section {
  margin-top: 48px;
}

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

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

.lead-grid .profile-photo-frame {
  aspect-ratio: 2.3 / 1;
}

.publication-year h2,
.people-section h2 {
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-line);
}

.publication-year h2 {
  border-bottom: 3px solid var(--color-accent);
}

.people-subsection + .people-subsection {
  margin-top: 32px;
}

.people-subheading {
  margin-bottom: 14px;
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 22px;
}

.people-empty {
  margin: 0;
  padding: 16px 18px;
  border: 1px dashed var(--color-line);
  color: var(--color-muted);
}

.profile-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 100%;
  padding: 18px;
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
}

.lead-profile {
  min-height: 100%;
}

.profile-mark {
  display: none;
}

.profile-photo-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.profile-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.profile-title-row {
  display: grid;
  gap: 10px;
}

.profile-head h3 {
  margin-bottom: 0;
  font-size: 24px;
}

.profile-links {
  justify-content: flex-start;
}

/* Publications */
.publication-year {
  margin-top: 44px;
}

.publication {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 26px;
  margin-bottom: 18px;
  padding: 18px 0 20px;
  border-top: 1px solid var(--color-line);
}

.publication:first-of-type {
  border-top: 0;
}

.paper-figure,
.paper-visual {
  aspect-ratio: 16 / 9;
  min-height: 180px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-paper);
}

.paper-figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  background: var(--color-paper);
}

/* Fallback artwork used only when a paper-specific figure is unavailable. */
.paper-visual {
  position: relative;
  background:
    repeating-linear-gradient(0deg, rgba(22, 22, 22, 0.055) 0 1px, transparent 1px 18px),
    repeating-linear-gradient(90deg, rgba(22, 22, 22, 0.055) 0 1px, transparent 1px 18px),
    #f2f2f2;
}

.paper-visual::before,
.paper-visual::after,
.paper-visual span,
.paper-visual i,
.paper-visual b {
  content: "";
  position: absolute;
  display: block;
}

.paper-visual::before {
  inset: 28px 20px;
  border: 2px solid rgba(140, 21, 21, 0.42);
  border-left-color: transparent;
  border-radius: 50%;
  transform: rotate(-16deg);
}

.paper-visual::after {
  width: 18px;
  height: 10px;
  right: 42px;
  bottom: 42px;
  background: var(--color-accent);
  transform: rotate(-18deg);
  box-shadow: -42px -34px 0 #333333;
}

.paper-visual span {
  right: 18px;
  left: 18px;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), #333333, transparent);
  transform: rotate(-12deg);
}

.paper-visual i {
  width: 60px;
  height: 34px;
  left: 22px;
  bottom: 22px;
  border: 2px solid rgba(22, 22, 22, 0.18);
}

.paper-visual b {
  width: 7px;
  height: 7px;
  left: 38px;
  top: 34px;
  border-radius: 50%;
  background: var(--color-ink);
  box-shadow: 34px 18px 0 var(--color-accent), 82px 46px 0 #333333;
}

.paper-title {
  margin-bottom: 8px;
  color: var(--color-ink) !important;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
}

.paper-title a {
  color: var(--color-ink);
}

.paper-authors,
.paper-venue {
  margin-bottom: 5px;
}

.paper-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.paper-keywords span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 8px;
  border: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
}

.paper-links {
  margin-top: 12px;
}

.competition-list {
  display: grid;
  gap: 44px;
}

.award-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 44px;
}

.award-highlights article {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  align-content: start;
  padding-top: 14px;
  border-top: 3px solid var(--color-accent);
}

.award-highlights .eyebrow {
  margin-bottom: 0;
}

.award-highlights img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-soft);
}

.award-highlights h2 {
  margin-bottom: 6px;
  font-size: clamp(26px, 3.2vw, 36px);
}

.award-highlights p:not(.eyebrow) {
  color: var(--color-muted);
}

.competition-card {
  display: grid;
  grid-template-columns: minmax(0, 0.46fr) minmax(0, 0.54fr);
  gap: 34px;
  padding-top: 24px;
  border-top: 3px solid var(--color-accent);
}

.competition-copy p {
  color: var(--color-muted);
  font-size: 17px;
}

.competition-copy .eyebrow {
  white-space: normal;
}

.event-facts {
  display: grid;
  gap: 0;
  margin: 20px 0;
}

.event-facts div {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 18px;
  padding: 10px 0;
  border-top: 1px solid var(--color-line);
}

.event-facts dt {
  color: var(--color-ink);
  font-weight: 800;
}

.event-facts dd {
  margin: 0;
  color: var(--color-muted);
}

.competition-media video {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-soft);
}

.ifac-photo-carousel {
  width: 100%;
  margin-top: 14px;
  overflow: hidden;
  background: var(--color-soft);
  outline: 0;
}

.ifac-photo-carousel:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.ifac-photo-track {
  display: flex;
  width: 400%;
  animation: ifac-photo-scroll 32s linear infinite;
}

.ifac-photo-carousel:hover .ifac-photo-track,
.ifac-photo-carousel:focus-within .ifac-photo-track {
  animation-play-state: paused;
}

.ifac-photo-track img {
  flex: 0 0 12.5%;
  width: 12.5%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-soft);
}

@keyframes ifac-photo-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ifac-photo-track {
    animation: none;
  }
}

.competition-media > img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-soft);
}

.media-caption {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 13px;
}

.life-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.58fr) minmax(0, 0.42fr);
  gap: 28px;
  align-items: center;
  margin-bottom: 30px;
  padding-top: 18px;
  border-top: 3px solid var(--color-accent);
}

.life-hero img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--color-soft);
}

.life-slideshow {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-soft);
}

.life-slideshow img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 900ms ease;
}

.life-slideshow img.is-active {
  opacity: 1;
}

.life-hero p:not(.eyebrow),
.empty-life-section p {
  color: var(--color-muted);
}

.life-section {
  padding-top: 10px;
}

.life-section + .life-section {
  margin-top: 48px;
}

.life-section-divided {
  padding-top: 42px;
  border-top: 1px solid var(--color-line);
}

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

.life-gallery figure {
  margin: 0;
  border-top: 3px solid var(--color-accent);
}

.life-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-soft);
}

.life-gallery figcaption {
  display: grid;
  gap: 2px;
  padding-top: 10px;
}

.life-gallery time {
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.life-gallery span {
  color: var(--color-ink);
  font-weight: 700;
}

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

.life-grid article {
  min-height: 220px;
  padding: 20px;
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
  background: var(--color-paper);
}

.life-grid p:not(.eyebrow) {
  color: var(--color-muted);
}

/* Contact and Footer */
.activity-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
  gap: 34px;
  align-items: start;
}

.activity-feature p,
.activity-note p {
  color: var(--color-muted);
  font-size: 17px;
}

.activity-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.activity-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-soft);
}

.activity-note {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 38px;
  align-items: start;
}

.join-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(300px, 0.38fr);
  gap: 48px;
  align-items: start;
  padding-top: 8px;
}

.join-invitation {
  max-width: 760px;
}

.join-invitation h2,
.join-quick-card h2 {
  font-size: 30px;
}

.join-invitation p {
  color: var(--color-ink);
  font-size: 18px;
  line-height: 1.5;
}

.join-invitation strong {
  color: var(--color-accent);
  font-weight: 800;
}

.join-sidebar {
  display: grid;
  gap: 16px;
}

.join-quick-card {
  display: grid;
  gap: 8px;
  padding: 16px 18px 18px;
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-accent);
}

.join-quick-card h2 {
  margin-bottom: 4px;
  font-size: 26px;
}

.join-quick-card p {
  margin-bottom: 8px;
  color: var(--color-muted);
}

.join-quick-card .eyebrow {
  margin-bottom: 4px;
}

.join-quick-card .paper-links {
  gap: 8px;
  margin-top: 2px;
}

.join-quick-card .paper-links a {
  min-height: 38px;
  padding: 7px 12px;
}

.contact-invitation {
  max-width: 760px;
}

.contact-invitation p {
  color: var(--color-muted);
  font-size: 18px;
}

.contact-invitation strong {
  color: var(--color-accent);
  font-weight: 800;
}

.contact-address {
  margin-top: 28px;
  color: var(--color-muted) !important;
  font-size: 14px !important;
  line-height: 1.45;
}

.contact-box {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 20px 0;
}

.contact-sidebar {
  display: grid;
  gap: 28px;
}

.contact-sidebar .contact-box + .contact-box {
  padding-top: 28px;
  border-top: 1px solid var(--color-line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px max(var(--space-page-x), calc((100vw - var(--layout-max)) / 2));
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 14px;
}

.visitor-country-counter {
  margin-top: 24px;
}

.visitor-country-counter a {
  display: inline-block;
}

.visitor-country-counter img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Responsive */
@media (max-width: 900px) {
  .lab-hero,
  .lab-intro,
  .front-columns,
  .source-band,
  .life-hero,
  .competition-card,
  .activity-feature,
  .contact-layout,
  .join-layout,
  .video-row {
    grid-template-columns: 1fr;
  }

  .research-overview,
  .research-showcase,
  .profile-grid,
  .award-highlights,
  .featured-list,
  .life-grid,
  .life-gallery,
  .system-grid {
    grid-template-columns: 1fr;
  }

  .lead-grid .profile-photo-frame {
    aspect-ratio: 3 / 2;
  }

  .news-panel {
    padding-left: 0;
    border-left: 0;
  }

  .lab-hero {
    grid-template-columns: 1fr;
  }

  .hero-logo {
    width: min(420px, 90%);
  }
}

@media (max-width: 700px) {
  :root {
    --space-page-x: 18px;
  }

  .header-inner {
    padding: 0 var(--space-page-x);
  }

  .brand span {
    max-width: calc(100vw - 190px);
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 80px;
    right: var(--space-page-x);
    left: var(--space-page-x);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 14px;
    border: 1px solid var(--color-line);
    background: var(--color-paper);
  }

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

  .site-nav a {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-line);
  }

  .featured-list a,
  .publication,
  .profile-card,
  .lead-profile,
  .profile-head {
    grid-template-columns: 1fr;
  }

  .source-links {
    justify-content: flex-start;
  }

  h1 {
    font-size: 40px;
  }

  .hero-motto {
    font-size: clamp(29px, 8vw, 36px);
  }

  .hero-motto span:nth-child(2),
  .hero-motto span:nth-child(3) {
    margin-left: 0;
  }

  .hero-motto span {
    white-space: normal;
  }

  .award-highlights article {
    grid-template-columns: 1fr;
  }

  .eyebrow {
    white-space: normal;
  }
}