:root {
  color-scheme: light;
  --ink: #121722;
  --ink-soft: #4d5a68;
  --brand: #19aee0;
  --brand-deep: #0789bf;
  --brand-dark: #096d9b;
  --brand-pale: #eaf8fc;
  --brand-soft: #cdeff9;
  --paper: #ffffff;
  --paper-blue: #f5fbfe;
  --line: #d8eef6;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(7, 137, 191, 0.16);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(20px, 4vw, 54px);
  min-height: 88px;
  padding: 14px clamp(24px, 5.4vw, 112px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(18, 23, 34, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 122px;
  height: 60px;
}

.brand img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(12px, 2.1vw, 34px);
  color: #49546a;
  font-size: clamp(15px, 1.08vw, 18px);
  font-weight: 750;
  white-space: nowrap;
}

.nav-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--brand-dark);
  background: var(--brand-pale);
}

.header-action,
.primary-button,
.secondary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 850;
  white-space: nowrap;
}

.header-action,
.primary-button {
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 16px 34px rgba(25, 174, 224, 0.26);
}

.header-action:hover,
.primary-button:hover {
  background: var(--brand-deep);
}

.ghost-button,
.secondary-button {
  color: var(--brand-dark);
  border: 1px solid rgba(25, 174, 224, 0.38);
  background: rgba(255, 255, 255, 0.72);
}

.ghost-button:hover,
.secondary-button:hover {
  background: var(--brand-pale);
}

.hero {
  min-height: calc(100svh - 88px);
  padding: clamp(44px, 5vw, 76px) clamp(20px, 5.4vw, 112px) clamp(64px, 6vw, 88px);
  background:
    radial-gradient(circle at 8% 18%, rgba(25, 174, 224, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #f2fbff 100%);
}

.hero-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(360px, 0.96fr) minmax(390px, 0.74fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: stretch;
  width: min(1360px, 100%);
  min-height: 620px;
  margin: 0 auto;
  padding: clamp(34px, 5vw, 72px);
  overflow: hidden;
  border: 1px solid rgba(25, 174, 224, 0.2);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(234, 248, 252, 0.92), rgba(255, 255, 255, 0.96) 54%, rgba(205, 239, 249, 0.58)),
    var(--white);
  box-shadow: var(--shadow);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 28px 36px auto auto;
  width: 420px;
  height: 220px;
  border: 18px solid rgba(25, 174, 224, 0.12);
  border-left-color: transparent;
  border-bottom-color: transparent;
  border-radius: 55% 55% 46% 44%;
  transform: rotate(18deg);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(50px, 6.8vw, 96px);
  line-height: 1.03;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin: 26px 0 0;
  color: var(--ink-soft);
  font-size: clamp(18px, 1.7vw, 25px);
  line-height: 1.65;
}

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

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(92px, 1fr));
  gap: 14px;
  width: min(580px, 100%);
  margin: 46px 0 0;
}

.hero-metrics div {
  min-height: 108px;
  padding: 18px;
  border: 1px solid rgba(25, 174, 224, 0.18);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
}

.hero-metrics dt {
  color: var(--brand-dark);
  font-size: 36px;
  font-weight: 950;
  line-height: 1;
}

.hero-metrics dd {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.hero-board {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  min-width: 0;
}

.board-logo {
  display: grid;
  place-items: center;
  min-height: 172px;
  padding: 18px;
  border: 1px solid rgba(25, 174, 224, 0.2);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
}

.board-logo img {
  width: min(250px, 80%);
  height: auto;
  display: block;
}

.board-card {
  padding: 22px;
  border: 1px solid rgba(25, 174, 224, 0.22);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.86);
}

.board-card span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 5px 11px;
  color: var(--white);
  background: var(--ink);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.board-card strong {
  display: block;
  font-size: 22px;
}

.board-card p {
  margin: 9px 0 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.featured-role {
  color: var(--white);
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  border-color: transparent;
}

.featured-role p {
  color: rgba(255, 255, 255, 0.86);
}

.featured-role span {
  color: var(--brand-dark);
  background: var(--white);
}

.board-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.board-timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 14px;
  border-radius: 20px;
  color: var(--brand-dark);
  background: rgba(234, 248, 252, 0.92);
  font-weight: 850;
  text-align: center;
}

.ticker {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 18px clamp(20px, 5.4vw, 112px);
  color: var(--brand-dark);
  background: var(--brand-pale);
  scrollbar-width: none;
}

.ticker::-webkit-scrollbar {
  display: none;
}

.ticker span {
  flex: 0 0 auto;
  padding: 8px 16px;
  border: 1px solid rgba(25, 174, 224, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  font-weight: 750;
}

.section {
  padding: clamp(68px, 8vw, 112px) clamp(20px, 5.4vw, 112px);
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.intro-band,
.process-band {
  background: var(--paper-blue);
}

.intro-grid,
.campus-layout,
.life-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(300px, 1fr);
  gap: clamp(32px, 7vw, 90px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 62px);
  line-height: 1.08;
  letter-spacing: 0;
}

.intro-grid p:last-child,
.section-heading > p,
.life-layout > div:first-child p,
.campus-layout > div:first-child p {
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 1.8;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 34px;
}

.section-heading > p {
  max-width: 420px;
}

.role-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.role-filter-panel {
  display: grid;
  gap: 20px;
  margin: -8px 0 34px;
}

.filter-row {
  display: flex;
  align-items: center;
}

.filter-row .role-controls {
  justify-content: flex-start;
  gap: 12px;
}

.filter-button,
.details-button {
  min-height: 44px;
  border: 1px solid rgba(25, 174, 224, 0.26);
  border-radius: 999px;
  color: var(--brand-dark);
  background: var(--white);
  cursor: pointer;
}

.filter-button {
  padding: 0 22px;
  color: var(--ink-soft);
  border-color: #dfe5ec;
  font-size: 17px;
  font-weight: 800;
}

.filter-button.is-active,
.filter-button:hover,
.details-button:hover {
  color: var(--white);
  border-color: var(--brand);
  background: var(--brand);
}

.role-filter-panel .filter-button.is-active {
  color: var(--white);
  border-color: var(--ink);
  background: var(--ink);
}

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

.role-card {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(360px, 0.86fr) auto;
  gap: 22px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(18, 23, 34, 0.03);
}

.role-card.is-hidden {
  display: none;
}

.role-team {
  margin: 0 0 8px;
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 850;
}

.role-card h3,
.team-item h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: 0;
}

.role-card p:not(.role-team) {
  margin: 10px 0 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.role-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  font-size: 14px;
}

.role-meta div {
  min-width: 0;
}

.role-meta span {
  display: block;
  margin-bottom: 6px;
  color: #738093;
  font-weight: 750;
}

.role-meta strong {
  display: block;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.45;
}

.details-button {
  padding: 0 15px;
}

.role-details {
  grid-column: 1 / -1;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.role-details a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--brand-dark);
  font-weight: 850;
}

.campus-band {
  background: linear-gradient(180deg, #ffffff 0%, #effaff 100%);
}

.campus-layout {
  align-items: center;
}

.campus-cards {
  display: grid;
  gap: 14px;
}

.campus-cards article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
}

.campus-cards strong {
  color: var(--brand-dark);
  font-size: 18px;
}

.campus-cards span {
  color: var(--ink-soft);
  line-height: 1.7;
}

.muted-band {
  background: #f7fcff;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.team-item {
  min-height: 236px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
}

.team-icon {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  margin-bottom: 26px;
  color: var(--white);
  background: var(--brand);
  border-radius: 14px;
  font-weight: 900;
}

.team-item:nth-child(2) .team-icon {
  background: var(--brand-dark);
}

.team-item:nth-child(3) .team-icon {
  color: var(--brand-dark);
  background: var(--brand-soft);
}

.team-item:nth-child(4) .team-icon {
  background: var(--ink);
}

.team-item p {
  color: var(--ink-soft);
  line-height: 1.7;
}

.life-layout {
  align-items: start;
}

.life-layout > div:first-child p {
  margin-top: 22px;
}

.benefit-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
}

.benefit-list div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 22px;
  padding: 22px;
  background: var(--white);
}

.benefit-list strong {
  color: var(--ink);
}

.benefit-list span {
  color: var(--ink-soft);
  line-height: 1.7;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.process-list li {
  position: relative;
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}

.process-list span {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  margin-bottom: 32px;
  color: var(--white);
  background: var(--brand);
  border-radius: 50%;
  font-weight: 900;
}

.process-list strong {
  display: block;
  font-size: 20px;
}

.process-list p {
  color: var(--ink-soft);
  line-height: 1.7;
}

.closing-cta {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
  padding: clamp(46px, 7vw, 78px) clamp(20px, 5.4vw, 112px);
  color: var(--white);
  background: linear-gradient(135deg, var(--ink), #063d5f);
}

.closing-cta > div {
  flex: 1;
  min-width: 0;
}

.closing-cta .section-kicker {
  color: var(--brand-soft);
}

.closing-cta h2 {
  font-size: clamp(32px, 5vw, 58px);
  white-space: nowrap;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(20px, 5.4vw, 112px);
  color: var(--ink-soft);
  background: var(--white);
  border-top: 1px solid var(--line);
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .nav-links {
    order: 3;
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 920px) {
  .hero-panel {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .intro-grid,
  .campus-layout,
  .life-layout,
  .section-heading {
    grid-template-columns: 1fr;
    display: grid;
    align-items: start;
  }

  .section-heading {
    gap: 20px;
  }

  .role-controls {
    justify-content: flex-start;
  }

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

  .role-meta {
    grid-template-columns: 1fr;
  }

  .details-button {
    width: fit-content;
  }

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

}

@media (max-width: 620px) {
  .site-header {
    min-height: 76px;
    padding-inline: 16px;
    gap: 12px;
  }

  .brand {
    width: 88px;
    height: 46px;
  }

  .header-action {
    min-height: 42px;
    padding: 0 16px;
    font-size: 14px;
  }

  .nav-links {
    gap: 8px;
    font-size: 14px;
  }

  .nav-links a {
    min-height: 38px;
    padding: 0 12px;
  }

  .hero {
    min-height: auto;
    padding: 24px 16px 44px;
  }

  .hero-panel {
    padding: 26px 18px;
    border-radius: 24px;
  }

  .hero h1 {
    font-size: clamp(36px, 11vw, 52px);
  }

  .hero-copy {
    font-size: 17px;
  }

  .primary-button,
  .ghost-button,
  .secondary-button {
    width: 100%;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 30px;
  }

  .hero-metrics div {
    min-height: 84px;
    display: flex;
    align-items: baseline;
    gap: 12px;
  }

  .hero-metrics dd {
    margin: 0;
  }

  .board-logo {
    min-height: 134px;
  }

  .board-grid,
  .board-timeline {
    grid-template-columns: 1fr;
  }

  .ticker {
    padding-inline: 16px;
  }

  .section {
    padding: 58px 18px;
  }

  h2 {
    font-size: 34px;
  }

  .role-card,
  .team-item,
  .process-list li {
    padding: 20px;
  }

  .team-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .campus-cards article,
  .benefit-list div {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px;
  }

  .closing-cta {
    flex-direction: column;
    align-items: flex-start;
    padding-inline: 18px;
  }

  .closing-cta h2 {
    font-size: clamp(22px, 5.8vw, 34px);
  }
}