:root {
  --navy: #073a78;
  --deep: #042b63;
  --ink: #0c1d34;
  --muted: #617089;
  --teal: #16c7b7;
  --mint: #38d6be;
  --ice: #eef9f8;
  --soft: #f5f8fb;
  --line: #dfe8ef;
  --white: #ffffff;
  --shadow: 0 22px 50px rgba(6, 35, 83, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 82px;
  padding: 0 max(6vw, 32px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(214, 226, 237, 0.88);
  box-shadow: 0 10px 32px rgba(7, 58, 120, 0.1);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 176px;
}

.site-nav {
  display: flex;
  align-items: center;
  align-self: stretch;
  gap: 4px;
  color: #14345f;
  font-size: 14px;
  font-weight: 800;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--teal);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

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

/* Nav dropdown */
.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  align-self: stretch;
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  padding: 8px 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(7, 58, 120, 0.12);
  z-index: 100;
  flex-direction: column;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-menu.open {
  display: flex;
}

.nav-dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.nav-dropdown-menu a::after {
  display: none;
}

.nav-dropdown-menu a:hover {
  background: var(--soft);
  color: var(--teal);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: var(--navy);
  border: 0;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--white);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  min-height: 820px;
  padding: 150px max(6vw, 32px) 180px;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(2, 28, 66, 0.82), rgba(5, 86, 116, 0.68) 47%, rgba(19, 166, 150, 0.56)),
    url("assets/hero-building.jpg") center / cover;
}

.hero::before {
  position: absolute;
  inset: auto -10% -19% -10%;
  height: 280px;
  background: var(--teal);
  border-radius: 50% 50% 0 0 / 38% 38% 0 0;
  content: "";
}

.hero::after {
  position: absolute;
  right: -80px;
  bottom: 120px;
  width: 460px;
  height: 460px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  content: "";
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 22, 55, 0.72), rgba(2, 33, 64, 0.38) 52%, rgba(255, 255, 255, 0.04)),
    radial-gradient(circle at 12% 24%, rgba(11, 122, 152, 0.3), transparent 26%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--white);
  font-size: clamp(38px, 5vw, 68px);
  line-height: 1.1;
  text-shadow: 0 12px 34px rgba(0, 18, 45, 0.62);
}

.hero-copy {
  max-width: 720px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.96);
  font-size: 18px;
  font-weight: 600;
  text-shadow: 0 8px 22px rgba(0, 18, 45, 0.48);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 900;
}

.btn.primary {
  color: var(--navy);
  background: var(--white);
}

.btn.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: var(--teal);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
}

.service-card p,
.about-copy p,
.news-feature p,
.news-list p,
.contact-card p {
  margin: 0;
  color: var(--muted);
}

.section {
  padding: 110px max(6vw, 24px);
}

.section-head {
  width: min(1120px, 100%);
  margin: 0 auto 42px;
}

.section-head.centered {
  text-align: center;
}

.section h2,
.metrics h2 {
  max-width: 1040px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(28px, 3.2vw, 40px);
  line-height: 1.18;
}

.centered h2 {
  margin-right: auto;
  margin-left: auto;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 430px;
  gap: 48px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.about-copy {
  display: grid;
  gap: 18px;
  padding: 36px;
  background: var(--soft);
  border-left: 5px solid var(--teal);
  border-radius: 8px;
}

.image-panel {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.image-panel img {
  width: 100%;
  height: 390px;
  object-fit: cover;
}

.image-panel div {
  position: absolute;
  right: 18px;
  bottom: 18px;
  min-width: 140px;
  padding: 18px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
}

.image-panel strong {
  display: block;
  font-size: 34px;
  line-height: 1;
}

.business {
  background: linear-gradient(180deg, #f7fbfd, #ffffff);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.service-card {
  min-height: 260px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(7, 58, 120, 0.08);
}

.service-card.featured {
  grid-column: span 2;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), #0b5c98);
  border-color: transparent;
}

.service-card h3 {
  margin: 18px 0 10px;
  color: var(--navy);
  font-size: 22px;
}

.service-card.featured h3,
.service-card.featured p {
  color: var(--white);
}

.service-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.service-card li {
  padding: 7px 10px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.metrics {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 44px;
  align-items: center;
  padding: 90px max(6vw, 24px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(4, 43, 99, 0.98), rgba(5, 65, 133, 0.95)),
    url("assets/animal-research.jpg") center / cover;
}

.metrics h2 {
  color: var(--white);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  width: min(100%, 780px);
  justify-self: start;
}

.metrics-grid div {
  min-height: 150px;
  padding: 22px 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
}

.metrics-grid strong {
  display: block;
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1;
}

.metrics-grid span {
  display: block;
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 700;
}

.news-layout {
  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 36px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.news-feature,
.news-list article {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(7, 58, 120, 0.08);
}

.news-feature img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.news-feature div {
  padding: 26px;
}

.news-feature span,
.news-list span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  color: var(--teal);
  background: rgba(22, 199, 183, 0.1);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 900;
}

.news-feature h3,
.news-list h3 {
  margin: 0 0 12px;
  color: var(--navy);
  line-height: 1.35;
}

.news-feature h3 {
  font-size: 24px;
}

.news-list {
  display: grid;
  gap: 16px;
}

.news-list article {
  padding: 24px;
}

.contact {
  padding: 48px max(6vw, 24px);
  background: linear-gradient(135deg, var(--teal), #0b79b1);
  color: var(--white);
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.contact-card h2 {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 28px;
  line-height: 1.2;
}

.contact-card p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  max-width: 420px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 280px;
}

.contact-label {
  color: rgba(255, 255, 255, 0.55) !important;
  font-size: 11px !important;
  font-weight: 700 !important;
  margin-top: 10px;
}

.contact-label:first-child {
  margin-top: 0;
}

.contact-info a {
  color: var(--white);
  font-size: 18px;
  font-weight: 900;
  line-height: 1.4;
  text-decoration: none;
}

.contact-info span:not(.contact-label):not(.contact-qr span) {
  color: rgba(255, 255, 255, 0.88);
  font-weight: 500;
  font-size: 13px;
}

.contact-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.contact-qr img {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  background: var(--white);
  padding: 3px;
}

.contact-qr span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 11px;
  font-weight: 700;
}

.contact-qr-row {
  display: flex;
  gap: 20px;
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px max(6vw, 24px);
  color: rgba(255, 255, 255, 0.85);
  background: #031d43;
  font-size: 14px;
  text-align: center;
}

.footer-icp {
  font-size: 13px;
  opacity: 0.65;
}

.footer-icp a {
  color: inherit;
  text-decoration: none;
}

.footer-icp a:hover {
  text-decoration: underline;
}

.page-hero {
  position: relative;
  min-height: 420px;
  padding: 150px max(6vw, 32px) 86px;
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(2, 28, 66, 0.9), rgba(5, 86, 116, 0.72), rgba(19, 166, 150, 0.48)),
    url("assets/hero-building.jpg") center / cover;
  overflow: hidden;
}

.page-hero::after {
  position: absolute;
  right: -110px;
  bottom: -160px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  content: "";
}

.page-hero div {
  position: relative;
  z-index: 1;
  width: min(820px, 100%);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1.12;
}

.page-hero p:not(.eyebrow) {
  max-width: 720px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  font-weight: 700;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 48px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.rich-copy h2,
.timeline h2,
.contact-panel h2 {
  margin: 0 0 18px;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.18;
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-detail-list .detail-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 2px;
}

.contact-detail-list p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
}

.contact-detail-list a {
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.contact-panel-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.contact-panel-qr img {
  width: 80px;
  height: 80px;
  border-radius: 8px;
}

.contact-panel-qr span {
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
}

.rich-copy p:not(.eyebrow),
.timeline p,
.contact-panel p:not(.detail-label) {
  margin: 0 0 16px;
  color: var(--muted);
}

.soft-section {
  background: var(--soft);
}

.feature-grid {
  display: grid;
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

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

.feature-grid article,
.service-detail,
.news-page-card,
.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(7, 58, 120, 0.08);
}

.feature-grid article {
  min-height: 260px;
  padding: 30px;
}

.feature-grid h3,
.service-detail h2,
.news-page-card h2 {
  margin: 18px 0 12px;
  color: var(--navy);
  line-height: 1.32;
}

.feature-grid p,
.service-detail p,
.news-page-card p {
  margin: 0;
  color: var(--muted);
}

.scientist-section {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.lead-scientist {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 34px;
  align-items: center;
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.lead-scientist img,
.scientist-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--soft);
  border-radius: 8px;
}

.lead-scientist span {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 6px 10px;
  color: var(--teal);
  background: rgba(22, 199, 183, 0.1);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 900;
}

.lead-scientist h3 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
}

.lead-scientist strong {
  display: block;
  margin-top: 12px;
  color: var(--ink);
  font-size: 24px;
}

.lead-scientist p {
  max-width: 620px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.scientist-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 24px;
}

.scientist-grid article {
  padding: 24px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 40px rgba(7, 58, 120, 0.08);
}

.scientist-grid img {
  width: 150px;
  margin: 0 auto 18px;
  border-radius: 50%;
}

.scientist-grid h3 {
  margin: 0 0 6px;
  color: var(--navy);
  font-size: 24px;
}

.scientist-grid strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
}

.scientist-grid p {
  margin: 4px 0 0;
  color: var(--muted);
}

.team-note {
  max-width: 900px;
  margin: 26px auto 0;
  color: var(--muted);
  text-align: center;
}

.timeline {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(0, 1fr);
  gap: 48px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.timeline-list {
  display: grid;
  gap: 16px;
}

.timeline-list article {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 22px;
  background: var(--soft);
  border-left: 4px solid var(--teal);
  border-radius: 8px;
}

.timeline-list strong {
  color: var(--navy);
  font-size: 22px;
}

.timeline-list span {
  color: var(--muted);
}

.wide-image {
  width: 100%;
  min-height: 320px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

/* Sub-nav for business page */
.sub-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  padding: 0 max(6vw, 24px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 72px;
  z-index: 50;
}

.sub-nav a {
  display: inline-flex;
  align-items: center;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 800;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.sub-nav a:hover,
.sub-nav a:target {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.service-detail {
  min-height: 330px;
  padding: 30px;
}

.service-detail.highlighted {
  grid-column: span 2;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), #0b6e9f);
  border-color: transparent;
}

.service-detail.highlighted h2,
.service-detail.highlighted p {
  color: var(--white);
}

.service-detail ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.service-detail li {
  padding: 8px 10px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.news-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.news-page-card {
  padding: 26px;
}

.news-page-card.large {
  grid-column: span 2;
  padding: 0;
  overflow: hidden;
}

.news-page-card.large img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.news-page-card.large div {
  padding: 28px;
}

.news-page-card span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 6px 10px;
  color: var(--teal);
  background: rgba(22, 199, 183, 0.1);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 900;
}

.contact-page-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: 42px;
  align-items: start;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.contact-panel {
  padding: 42px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), #0b79b1);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.contact-panel h2,
.contact-panel p {
  color: var(--white);
}

.phone-link {
  display: inline-flex;
  margin: 12px 0 22px;
  color: var(--white);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  line-height: 1;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 34px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--navy);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  color: var(--ink);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
}

@media (max-width: 980px) {
  .site-header {
    min-height: 76px;
    padding: 0 16px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    right: 16px;
    display: none;
    width: min(320px, calc(100vw - 32px));
    padding: 14px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: grid;
    gap: 6px;
  }

  .site-nav a {
    padding: 12px;
  }

  /* Mobile dropdown */
  .nav-dropdown {
    flex-direction: column;
  }

  .nav-dropdown-menu {
    position: static;
    box-shadow: none;
    border: none;
    padding: 0 0 0 12px;
    min-width: auto;
  }

  .nav-dropdown-menu.open {
    display: flex;
  }

  .nav-dropdown-menu a {
    padding: 10px 16px;
    font-size: 13px;
    border-radius: 6px;
  }

  .hero,
  .about-grid,
  .metrics,
  .news-layout,
  .contact-card,
  .two-column,
  .timeline,
  .contact-page-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 34px;
    min-height: auto;
    padding-top: 130px;
  }

  .business-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid.three,
  .scientist-grid,
  .service-detail-grid,
  .news-page-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .lead-scientist {
    grid-template-columns: 1fr;
  }

  .lead-scientist img {
    max-width: 260px;
  }

  .service-card.featured {
    grid-column: auto;
  }

  .service-detail.highlighted,
  .news-page-card.large {
    grid-column: auto;
  }

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

@media (max-width: 640px) {
  .brand {
    width: 146px;
  }

  .hero {
    padding-right: 20px;
    padding-left: 20px;
  }

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

  .hero-copy {
    font-size: 16px;
  }

  .about-copy,
  .service-card,
  .contact-card,
  .feature-grid article,
  .lead-scientist,
  .scientist-grid article,
  .service-detail,
  .contact-panel,
  .contact-form {
    padding: 24px;
  }

  .section {
    padding: 78px 20px;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .scientist-grid,
  .service-detail-grid,
  .news-page-grid {
    grid-template-columns: 1fr;
  }

  .contact-info a {
    font-size: 28px;
  }

  .page-hero {
    padding: 124px 20px 70px;
  }

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

/* Homepage metrics — shift cards left to prevent cutoff */
body:not([data-page]) .metrics {
  grid-template-columns: minmax(200px, 0.6fr) minmax(0, 1.4fr);
}

/* Homepage team section — compact, no cards, lead centered */
body:not([data-page]) .lead-scientist {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  max-width: 360px;
  margin: 0 auto;
}

body:not([data-page]) .lead-scientist img {
  width: 120px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
}

body:not([data-page]) .lead-scientist h3 {
  font-size: 22px;
}

body:not([data-page]) .lead-scientist strong {
  font-size: 15px;
  margin-top: 2px;
}

body:not([data-page]) .lead-scientist p {
  font-size: 13px;
  margin-top: 4px;
  max-width: 340px;
}

body:not([data-page]) .lead-scientist span {
  font-size: 11px;
  padding: 3px 8px;
  margin-bottom: 0;
}

body:not([data-page]) .scientist-grid {
  gap: 20px;
  margin-top: 24px;
}

body:not([data-page]) .scientist-grid article {
  padding: 0;
  text-align: center;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

body:not([data-page]) .scientist-grid img {
  width: 100px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 8px;
}

body:not([data-page]) .scientist-grid h3 {
  font-size: 17px;
}

body:not([data-page]) .scientist-grid strong {
  font-size: 13px;
}

body:not([data-page]) .scientist-grid p {
  font-size: 12px;
  margin-top: 2px;
}

/* Partners section */
.partners {
  background: #fdfefc;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px 20px;
  width: min(1080px, 100%);
  margin: 0 auto;
  align-items: center;
  justify-items: center;
}

.partners-grid img {
  max-height: 60px;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* ── News list page ── */
.news-list-section {
  width: min(960px, 100%);
  margin: 0 auto;
}

.news-list-item {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  padding: 0;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s;
}

.news-list-item + .news-list-item {
  margin-top: 32px;
}

.news-list-item:hover {
  transform: translateY(-2px);
}

.news-list-thumb {
  overflow: hidden;
  border-radius: 12px;
  aspect-ratio: 4 / 3;
  box-shadow: 0 12px 32px rgba(7, 58, 120, 0.15);
  transition: box-shadow 0.2s;
}

.news-list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-list-item:hover .news-list-thumb {
  box-shadow: 0 16px 40px rgba(7, 58, 120, 0.25);
}

.news-list-date-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
}

.news-list-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.news-list-category {
  display: inline-flex;
  align-self: flex-start;
  padding: 5px 12px;
  color: var(--teal);
  background: rgba(22, 199, 183, 0.1);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 900;
}

.news-list-section .news-list-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  transition: color 0.2s;
}

.news-list-item:hover .news-list-title {
  color: var(--teal);
}

.news-list-desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.news-list-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  color: var(--teal);
  font-size: 14px;
  font-weight: 700;
  transition: gap 0.2s;
}

.news-list-more::after {
  content: "→";
  font-size: 16px;
}

.news-list-item:hover .news-list-more {
  gap: 10px;
}

/* ── News detail / article page ── */
.article-page {
  width: min(820px, 100%);
  margin: 0 auto;
  padding: 60px 0 80px;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 36px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
  transition: color 0.2s;
}

.article-back:hover {
  color: var(--teal);
}

.article-back::before {
  content: "‹";
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line);
}

.article-header h1 {
  margin: 0 0 16px;
  color: var(--navy);
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.25;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.article-meta .meta-divider {
  width: 4px;
  height: 4px;
  background: var(--line);
  border-radius: 50%;
}

.article-meta .meta-source {
  color: var(--teal);
  font-weight: 800;
}

.article-body {
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
}

.article-body h2 {
  margin: 42px 0 16px;
  color: var(--navy);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.3;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body p {
  margin: 0 0 18px;
  color: var(--ink);
}

.article-body strong {
  color: var(--navy);
}

.article-img {
  width: 100%;
  max-width: 100%;
  margin: 28px 0;
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(7, 58, 120, 0.12);
}

.article-image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 260px;
  margin: 28px 0;
  background: var(--soft);
  border: 2px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.article-footer {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.article-footer .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  transition: background 0.2s;
}

.article-footer .btn:hover {
  background: var(--deep);
}

/* Responsive for news list & article */
@media (max-width: 980px) {
  .news-list-item {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 24px;
  }

  .news-list-section .news-list-title {
    font-size: 16px;
  }

  .news-list-desc {
    font-size: 14px;
  }

  .article-page {
    padding: 40px 0 60px;
  }
}

@media (max-width: 640px) {
  .news-list-item {
    grid-template-columns: 1fr;
    gap: 12px;
    text-decoration: none;
  }

  .news-list-item + .news-list-item {
    margin-top: 28px;
  }

  .news-list-thumb {
    aspect-ratio: 16 / 9;
  }

  .news-list-date-text {
    font-size: 13px;
  }

  .news-list-desc {
    font-size: 14px;
  }

  .news-list-section .news-list-title {
    font-size: 15px;
  }

  .news-list-item:hover {
    transform: none;
  }

  .article-meta {
    gap: 10px;
    font-size: 13px;
  }

  .article-body {
    font-size: 15px;
  }
}

/* ── AI智研体 page ── */

/* Pipeline flow */
.pipeline-flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;
  width: min(1040px, 100%);
  margin: 0 auto;
}

.pipeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 130px;
  padding: 22px 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(7, 58, 120, 0.06);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pipeline-node:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(7, 58, 120, 0.12);
}

.pipeline-icon {
  font-size: 28px;
  line-height: 1;
}

.pipeline-node strong {
  color: var(--navy);
  font-size: 15px;
}

.pipeline-node span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.pipeline-arrow {
  color: var(--teal);
  font-size: 22px;
  font-weight: 900;
}

.pipeline-loop {
  width: 100%;
  margin-top: 20px;
  text-align: center;
}

.pipeline-loop span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  color: var(--teal);
  background: rgba(22, 199, 183, 0.08);
  border: 1px solid rgba(22, 199, 183, 0.25);
  border-radius: 24px;
  font-size: 14px;
  font-weight: 800;
}

/* Expert grid */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.expert-card {
  min-height: 210px;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(7, 58, 120, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.expert-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(7, 58, 120, 0.12);
}

.expert-num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--white);
  background: var(--teal);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 14px;
}

.expert-card h3 {
  margin: 0 0 10px;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.3;
}

.expert-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

/* Advantage grid */
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.advantage-card {
  min-height: 240px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(7, 58, 120, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.advantage-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(7, 58, 120, 0.12);
}

.advantage-icon {
  margin-bottom: 16px;
}

.advantage-card h3 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.3;
}

.advantage-card ul {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.advantage-card li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.advantage-card li::before {
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--teal);
  border-radius: 50%;
  content: "";
}

/* AI智研体 QR row */
.ai-qr-row {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

/* CTA section */
.cta-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.cta-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  text-align: center;
}

.cta-card strong {
  color: var(--white);
  font-size: 18px;
}

.cta-card p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

@media (max-width: 980px) {
  .ai-qr-row {
    gap: 20px;
  }

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

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

  .cta-actions {
    justify-content: center;
  }

  .pipeline-flow {
    gap: 12px;
  }

  .pipeline-node {
    min-width: 100px;
    padding: 16px 12px;
  }

  .pipeline-arrow {
    display: none;
  }
}

@media (max-width: 640px) {
  .expert-grid,
  .advantage-grid {
    grid-template-columns: 1fr;
  }

  .pipeline-node {
    min-width: 80px;
    padding: 14px 10px;
  }

  .pipeline-node strong {
    font-size: 13px;
  }

  .cta-card {
    padding: 24px 20px;
  }
}

/* ══════════════════════════════════════════
   云鸿设备 – 科研痛点 + 使命面板
   ══════════════════════════════════════════ */

.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  width: min(1120px, 100%);
  margin: 0 auto 40px;
}

.pain-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 26px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid #e8a840;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(7, 58, 120, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.pain-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(7, 58, 120, 0.1);
}

.pain-emoji {
  font-size: 28px;
  line-height: 1;
}

.pain-card p {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.7;
  font-weight: 500;
}

.pain-card p strong {
  color: #c0392b;
  font-weight: 700;
}

/* 使命面板 */
.mission-panel {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 44px 48px;
  background: linear-gradient(135deg, var(--navy), #0b6e9f);
  border-radius: 12px;
  box-shadow: 0 18px 44px rgba(7, 58, 120, 0.18);
  text-align: center;
}

.mission-tagline {
  margin: 0 0 20px;
  color: var(--white);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.04em;
}

.mission-desc {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
  line-height: 1.85;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.mission-desc strong {
  color: var(--white);
  font-weight: 800;
}

.mission-desc .highlight-price {
  color: var(--teal);
  font-size: 19px;
  font-weight: 900;
}

/* 响应式 */
@media (max-width: 980px) {
  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .mission-panel {
    padding: 34px 28px;
  }
}

@media (max-width: 640px) {
  .pain-grid {
    grid-template-columns: 1fr;
  }

  .pain-card {
    padding: 20px;
  }

  .pain-card p {
    font-size: 14px;
  }

  .mission-panel {
    padding: 28px 20px;
  }

  .mission-tagline {
    font-size: 22px;
  }

  .mission-desc {
    font-size: 15px;
  }
}

/* ══════════════════════════════════════════
   云鸿设备 – 设备实拍轮播
   ══════════════════════════════════════════ */

.carousel {
  width: min(1120px, 100%);
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  gap: 16px;
  will-change: transform;
}

.carousel-track img {
  flex: 0 0 calc((100% - 32px) / 3);
  min-width: 0;
  border-radius: 8px;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  box-shadow: 0 4px 16px rgba(7, 58, 120, 0.06);
  display: block;
}

@media (max-width: 980px) {
  .carousel-track {
    gap: 12px;
  }

  .carousel-track img {
    flex: 0 0 calc((100% - 24px) / 3);
  }
}

@media (max-width: 640px) {
  .carousel-track {
    gap: 8px;
  }

  .carousel-track img {
    flex: 0 0 calc((100% - 16px) / 3);
    border-radius: 6px;
  }
}

/* ══════════════════════════════════════════
   云鸿设备 – 合作流程
   ══════════════════════════════════════════ */

.step-row {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(1000px, 100%);
  margin: 0 auto;
  gap: 0;
}

.step-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(7, 58, 120, 0.04);
  flex: 1;
  min-width: 0;
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--teal), #0b6e9f);
  color: var(--white);
  font-size: 11px;
  font-weight: 900;
  flex-shrink: 0;
}

.step-card strong {
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.step-chevron {
  color: var(--line);
  font-size: 16px;
  padding: 0 4px;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .step-row {
    flex-wrap: wrap;
    gap: 8px;
  }

  .step-card {
    flex: 0 0 calc((100% - 16px) / 3);
  }

  .step-chevron {
    display: none;
  }
}

@media (max-width: 640px) {
  .step-card {
    flex: 0 0 calc((100% - 8px) / 2);
  }

  .step-card strong {
    font-size: 13px;
  }
}

/* ══════════════════════════════════════════
   云鸿设备 – 覆盖全品类实验室设备
   ══════════════════════════════════════════ */

.equip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.equip-card {
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(7, 58, 120, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.equip-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(7, 58, 120, 0.1);
}

.equip-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.equip-icon {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--teal), #0b6e9f);
  font-size: 20px;
  flex-shrink: 0;
}

.equip-head h3 {
  margin: 0;
  color: var(--navy);
  font-size: 17px;
  font-weight: 800;
}

.equip-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.equip-tags span {
  display: inline-block;
  padding: 5px 12px;
  color: var(--muted);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.equip-tags span:hover {
  color: var(--teal);
  border-color: var(--teal);
  background: rgba(22, 199, 183, 0.06);
}

@media (max-width: 980px) {
  .equip-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .equip-grid {
    grid-template-columns: 1fr;
  }

  .equip-card {
    padding: 22px;
  }
}

/* ══════════════════════════════════════════
   云鸿测序 – 平台概述
   ══════════════════════════════════════════ */

.overview-intro {
  width: min(860px, 100%);
  margin: 0 auto 42px;
}

.overview-intro p {
  margin: 0 0 16px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
  text-indent: 2em;
}

.overview-intro p:last-child {
  margin-bottom: 0;
}

.overview-intro strong {
  color: var(--navy);
}

/* 核心优势卡片 */
.overview-advantages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: min(1120px, 100%);
  margin: 0 auto 36px;
}

.overview-adv-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 22px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(7, 58, 120, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.overview-adv-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(7, 58, 120, 0.1);
}

.overview-adv-icon {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
}

.overview-adv-card strong {
  display: block;
  margin-bottom: 4px;
  color: var(--navy);
  font-size: 15px;
  line-height: 1.3;
}

.overview-adv-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

/* 关键数据行 */
.overview-metrics {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.overview-metric {
  text-align: center;
  padding: 28px 16px;
  background: linear-gradient(135deg, var(--navy), #0b5c98);
  border-radius: 8px;
  color: var(--white);
}

.overview-metric strong {
  display: block;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1;
  margin-bottom: 10px;
}

.overview-metric span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 13px;
  font-weight: 700;
}

/* AI智研体 关键数据指标 */
.ai-metrics-subtitle {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-top: 8px;
}

.ai-metrics-desc {
  color: var(--muted);
  font-size: 15px;
  margin-top: 8px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.ai-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  width: min(960px, 100%);
  margin: 36px auto 0;
}

.ai-metric-card {
  text-align: center;
  padding: 40px 24px 34px;
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.04);
  transition: transform 0.2s, box-shadow 0.2s;
}

.ai-metric-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.10);
}

.ai-metric-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(5,65,133,0.08), rgba(5,150,140,0.10));
  color: var(--teal);
  margin-bottom: 20px;
}

.ai-metric-num {
  display: block;
  font-size: clamp(38px, 5vw, 52px);
  line-height: 1;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.02em;
}

.ai-metric-num span {
  font-size: 0.45em;
  font-weight: 600;
  color: var(--teal);
  margin-left: 2px;
}

.ai-metric-label {
  display: block;
  margin-top: 12px;
  color: var(--navy);
  font-size: 16px;
  font-weight: 700;
}

.ai-metric-hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .ai-metrics-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .ai-metric-card {
    padding: 32px 20px 28px;
  }
}

/* Agent专家体系 — 主轴专家链路 */
.expert-chain {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  margin-top: 24px;
  width: min(920px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.chain-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 18px;
  min-width: 130px;
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.03);
  transition: transform 0.2s, box-shadow 0.2s;
}

.chain-node:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.chain-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--teal);
  background: rgba(5,150,140,0.10);
  padding: 2px 10px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

.chain-icon {
  font-size: 28px;
  line-height: 1;
}

.chain-node strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

.chain-arrow {
  display: flex;
  align-items: center;
  padding: 0 10px;
  padding-top: 32px;
  font-size: 22px;
  color: var(--teal);
  font-weight: 300;
}

/* Agent专家体系 — 周边专家 */
.peripheral-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 24px;
  width: min(960px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.peripheral-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 24px 14px;
  background: var(--white);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.peripheral-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.peripheral-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(5,65,133,0.06), rgba(5,150,140,0.08));
  color: var(--teal);
  margin-bottom: 4px;
}

.peripheral-card strong {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
}

.peripheral-card span {
  font-size: 12px;
  color: var(--muted);
}

.peripheral-card--more {
  border-style: dashed;
  border-color: var(--teal);
  background: rgba(5,150,140,0.03);
}

.peripheral-card--more .peripheral-icon {
  color: var(--muted);
}

@media (max-width: 900px) {
  .expert-chain {
    gap: 8px;
  }

  .chain-arrow {
    padding: 0 4px;
    font-size: 16px;
  }

  .chain-node {
    min-width: 100px;
    padding: 16px 10px;
  }
}

@media (max-width: 760px) {
  .expert-chain {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }

  .chain-node {
    width: 100%;
    max-width: 280px;
    flex-direction: row;
    gap: 12px;
    padding: 14px 18px;
  }

  .chain-arrow {
    transform: rotate(90deg);
    padding: 4px 0;
  }

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

@media (max-width: 480px) {
  .peripheral-grid {
    grid-template-columns: 1fr;
  }
}

/* ══════════════════════════════════════════
   云鸿测序 – 服务类目（全品类）
   ══════════════════════════════════════════ */

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.catalog-category {
  min-height: 240px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(7, 58, 120, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.catalog-category:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(7, 58, 120, 0.12);
}

.catalog-num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 14px;
  color: var(--white);
  background: var(--teal);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
}

.catalog-category h3 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.3;
}

.catalog-category ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.catalog-category li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.catalog-category li::before {
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  background: var(--teal);
  border-radius: 50%;
  content: "";
}

/* 生信配套标签区 */
.catalog-bioinfo {
  margin-top: 42px;
  padding: 36px 40px;
  width: min(1120px, 100%);
  margin-left: auto;
  margin-right: auto;
  background: linear-gradient(135deg, rgba(7, 58, 120, 0.04), rgba(22, 199, 183, 0.06));
  border: 1px solid rgba(22, 199, 183, 0.15);
  border-radius: 12px;
}

.bioinfo-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.bioinfo-tags span {
  padding: 6px 14px;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  transition: border-color 0.2s, color 0.2s;
}

.bioinfo-tags span:hover {
  border-color: var(--teal);
  color: var(--teal);
}

/* ══════════════════════════════════════════
   云鸿测序 – 创新特色
   ══════════════════════════════════════════ */

.innovation-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.innovation-block + .innovation-block {
  margin-top: 64px;
}

.innovation-block.reverse {
  direction: rtl;
}

.innovation-block.reverse .innovation-body {
  direction: ltr;
}

.innovation-image {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.innovation-image img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.innovation-body {
  display: flex;
  flex-direction: column;
}

.innovation-tag {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 16px;
  padding: 5px 12px;
  color: var(--teal);
  background: rgba(22, 199, 183, 0.1);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 900;
}

.innovation-body h3 {
  margin: 0 0 16px;
  color: var(--navy);
  font-size: clamp(22px, 2.6vw, 28px);
  line-height: 1.25;
}

.innovation-body > p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.innovation-body > p strong {
  color: var(--navy);
}

.innovation-points {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.innovation-points li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  font-weight: 600;
}

.innovation-points li::before {
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  content: "";
  background: var(--teal);
  border-radius: 3px;
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
}

/* ══════════════════════════════════════════
   云鸿测序 – 响应式
   ══════════════════════════════════════════ */

@media (max-width: 980px) {
  .overview-advantages {
    grid-template-columns: repeat(2, 1fr);
  }

  .overview-metrics {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .innovation-block,
  .innovation-block.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
    direction: ltr;
  }

  .innovation-image img {
    height: 280px;
  }

  .catalog-bioinfo {
    padding: 28px 24px;
  }
}

@media (max-width: 640px) {
  .overview-intro p {
    font-size: 15px;
  }

  .overview-advantages {
    grid-template-columns: 1fr;
  }

  .overview-metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .overview-metric {
    padding: 20px 12px;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-category {
    min-height: auto;
  }

  .innovation-image img {
    height: 220px;
  }

  .innovation-block + .innovation-block {
    margin-top: 48px;
  }

  .bioinfo-tags {
    gap: 8px;
  }

  .bioinfo-tags span {
    font-size: 12px;
    padding: 5px 10px;
  }
}

/* ══════════════════════════════════════════
   云鸿商城 – 优势卡片
   ══════════════════════════════════════════ */

.mall-advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.mall-advantage-card {
  min-height: 240px;
  padding: 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(7, 58, 120, 0.06);
  transition: transform 0.2s, box-shadow 0.2s;
}

.mall-advantage-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(7, 58, 120, 0.12);
}

.mall-advantage-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.mall-advantage-num {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  color: var(--white);
  background: var(--teal);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 900;
}

.mall-advantage-card h3 {
  margin: 0;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.3;
}

.mall-advantage-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.mall-advantage-card p strong {
  color: var(--navy);
}

/* ══════════════════════════════════════════
   云鸿商城 – 响应式
   ══════════════════════════════════════════ */

@media (max-width: 980px) {
  .mall-advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .mall-advantage-grid {
    grid-template-columns: 1fr;
  }

  .mall-advantage-card {
    min-height: auto;
    padding: 24px;
  }
}