:root {
  --navy: #0b1220;
  --blue: #1f4edf;
  --teal: #00a4b8;
  --ice: #f5f8fb;
  --accent: #f2b544;
  --ink: #111827;
  --muted: #5b667a;
  --line: #dce4ef;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
  background: var(--white);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 25;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 6vw;
  color: rgba(255,255,255,0.82);
  background: #081120;
  border-bottom: 1px solid rgba(255,255,255,0.09);
  font-size: 13px;
}
.topbar a { color: var(--accent); font-weight: 800; }
.topbar span:last-child {
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-header {
  position: fixed;
  top: 34px;
  left: 0;
  right: 0;
  z-index: 20;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6vw;
  color: var(--white);
  background: rgba(11, 18, 32, 0.84);
  border-bottom: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(14px);
}
.brand img { width: 232px; height: auto; }
.desktop-nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
  font-weight: 650;
}
.desktop-nav a { opacity: 0.88; }
.desktop-nav a:hover { opacity: 1; color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.lang-toggle, .menu-button {
  border: 1px solid rgba(255,255,255,0.32);
  color: var(--white);
  background: rgba(255,255,255,0.08);
  min-width: 42px;
  height: 38px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 700;
}
.header-cta {
  height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  background: var(--accent);
  color: #152033;
  border-radius: 6px;
  font-weight: 800;
  font-size: 14px;
}
.menu-button { display: none; width: 42px; padding: 9px; }
.menu-button span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: var(--white);
}
.mobile-panel {
  display: none;
  position: fixed;
  top: 110px;
  right: 16px;
  z-index: 30;
  min-width: 220px;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(12, 24, 48, 0.22);
}
.mobile-panel.open { display: grid; }
.mobile-panel a {
  padding: 10px 12px;
  border-radius: 6px;
  font-weight: 750;
  color: var(--navy);
}
.mobile-panel a:hover { background: var(--ice); }

.hero {
  position: relative;
  min-height: 96vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 13, 24, 0.9), rgba(8, 13, 24, 0.62) 45%, rgba(8, 13, 24, 0.22));
}
.hero-content {
  position: relative;
  width: min(1180px, 88vw);
  margin: 0 auto;
  padding-top: 110px;
}
.hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 42px;
  align-items: end;
}
.hero-main > div { min-width: 0; }
.eyebrow, .section-kicker {
  margin: 0 0 12px;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 13px;
  font-weight: 850;
}
.hero h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(42px, 5.2vw, 68px);
  line-height: 1.05;
  letter-spacing: 0;
  font-family: "Noto Serif SC", "Noto Sans SC", serif;
}
.hero h1 small {
  display: block;
  margin-top: 14px;
  font-size: clamp(18px, 2vw, 30px);
  font-family: Inter, "Noto Sans SC", sans-serif;
  font-weight: 700;
  color: rgba(255,255,255,0.82);
}
.hero-copy {
  max-width: 760px;
  margin: 26px 0 0;
  font-size: 20px;
  color: rgba(255,255,255,0.9);
}
.hero-announcement {
  padding: 24px;
  background: rgba(255,255,255,0.92);
  color: var(--navy);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.5);
  box-shadow: 0 28px 70px rgba(0,0,0,0.18);
}
.hero-announcement span {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}
.hero-announcement h2 {
  font-size: 25px;
  line-height: 1.2;
}
.hero-announcement p { margin: 14px 0 18px; color: #4b5870; }
.hero-announcement a { color: var(--blue); font-weight: 900; }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 6px;
  font-weight: 850;
  border: 1px solid transparent;
}
.button.primary { background: var(--accent); color: #121a2a; }
.button.secondary { color: var(--white); border-color: rgba(255,255,255,0.42); background: rgba(255,255,255,0.1); }
.button.outline { color: var(--navy); border-color: var(--line); background: var(--white); }
.button.outline:hover { border-color: rgba(31, 78, 223, 0.34); color: var(--blue); }
.fact-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.fact-chips span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  font-size: 13px;
  font-weight: 700;
}

.section, .section-band, .quick-facts {
  padding-left: max(24px, 6vw);
  padding-right: max(24px, 6vw);
}
.section { padding-top: 90px; padding-bottom: 90px; }
.section-band { background: var(--ice); }
.quick-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  padding-top: 1px;
  padding-bottom: 1px;
  background: var(--line);
}
.quick-facts article {
  padding: 28px;
  background: var(--white);
}
.quick-facts strong {
  display: block;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.25;
}
.quick-facts span { color: var(--muted); font-weight: 650; }

.academic-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding: 1px max(24px, 6vw);
  background: var(--line);
}
.academic-strip article {
  padding: 28px;
  background: var(--white);
}
.academic-strip span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}
.academic-strip strong {
  display: block;
  margin-top: 8px;
  color: var(--navy);
  font-size: 24px;
  font-family: "Noto Serif SC", "Noto Sans SC", serif;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 60px;
  align-items: center;
}
h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0;
  font-family: "Noto Serif SC", "Noto Sans SC", serif;
}
h3 { margin: 0; color: var(--navy); line-height: 1.25; }
p { color: var(--muted); font-size: 16px; }
.timeline {
  margin-top: 28px;
  display: grid;
  gap: 10px;
}
.timeline div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.timeline time { color: var(--blue); font-weight: 850; }
.image-stack {
  display: grid;
  gap: 14px;
}
.image-stack img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}
.image-stack img:last-child {
  width: 78%;
  margin-left: auto;
  margin-top: -90px;
  border: 8px solid var(--white);
}

.section-heading { max-width: 820px; margin-bottom: 34px; }
.section-heading.inline {
  max-width: none;
  display: flex;
  align-items: end;
  justify-content: space-between;
}
.card-grid {
  display: grid;
  gap: 18px;
}
.card-grid.six { grid-template-columns: repeat(3, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card-grid article, .news-card, .publication, .contact-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.06);
}
.card-grid article { padding: 24px; }
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  color: var(--white);
  background: var(--blue);
  border-radius: 6px;
  font-weight: 900;
}
.card-grid p { margin-bottom: 0; }

.news-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}
.news-card {
  overflow: hidden;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  align-items: start;
  min-height: 220px;
}
.news-card.featured {
  grid-row: span 3;
  grid-template-columns: 1fr;
  min-height: 0;
}
.news-card img {
  width: 100%;
  height: 220px;
  min-height: 220px;
  object-fit: cover;
}
.news-card.featured img { height: 360px; }
.news-card div { padding: 22px; }
.news-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}
.news-card p { margin-bottom: 0; }
.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.source-links a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--blue);
  background: var(--ice);
  font-size: 13px;
  font-weight: 850;
}
.source-links a:hover {
  border-color: rgba(31, 78, 223, 0.36);
  background: #eef4ff;
}

.publication {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: space-between;
  padding: 34px;
}
.publication p { max-width: 780px; }
.publication .button.secondary { color: var(--navy); border-color: var(--line); }
.membership-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin-top: 24px;
  padding: 28px;
  background: var(--ice);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.membership-cta h3 {
  margin-bottom: 14px;
  font-size: 24px;
}
.membership-steps {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
}
.membership-steps li { padding-left: 4px; }
.membership-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}
.initiatives { background: var(--white); }
.initiative-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.initiative-list article {
  padding: 32px;
  border-right: 1px solid var(--line);
}
.initiative-list article:last-child { border-right: 0; }
.initiative-list span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--white);
  background: var(--teal);
  border-radius: 50%;
  font-weight: 900;
}
.initiative-list p { margin-bottom: 0; }
.governance-grid, .partner-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.governance-grid div, .partner-grid span {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 8px;
  font-weight: 800;
  color: var(--navy);
}
.note { margin-top: 18px; }

.contact-section {
  position: relative;
  min-height: 620px;
  display: grid;
  align-items: center;
  padding: 90px max(24px, 6vw);
  overflow: hidden;
}
.contact-section > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.contact-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,18,32,0.72), rgba(11,18,32,0.12));
}
.contact-panel {
  position: relative;
  z-index: 1;
  width: min(520px, 100%);
  padding: 34px;
}
.contact-panel h2 { margin-bottom: 22px; }
.contact-panel a { color: var(--blue); font-weight: 800; }
footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px max(24px, 6vw);
  background: var(--navy);
  color: rgba(255,255,255,0.82);
  font-size: 14px;
}

@media (max-width: 1100px) {
  .desktop-nav, .header-cta { display: none; }
  .menu-button { display: block; }
  .brand img { width: 190px; }
  .card-grid.six, .card-grid.four, .quick-facts { grid-template-columns: repeat(2, 1fr); }
  .hero-main, .initiative-list { grid-template-columns: 1fr; }
  .hero-announcement { max-width: 520px; }
  .news-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .topbar { display: none; }
  .site-header { top: 0; height: 64px; padding: 0 20px; }
  .brand img { width: 132px; }
  .mobile-panel { top: 68px; right: 14px; left: 14px; }
  .hero {
    min-height: 840px;
    align-items: flex-end;
    padding-bottom: 54px;
  }
  .hero-overlay {
    background: linear-gradient(0deg, rgba(8,13,24,0.92), rgba(8,13,24,0.48) 58%, rgba(8,13,24,0.28));
  }
  .hero-content { width: calc(100% - 40px); padding-top: 90px; }
  .hero h1 { font-size: 39px; }
  .hero-copy { font-size: 17px; }
  .hero-announcement { display: none; }
  .fact-chips { display: none; }
  .quick-facts, .academic-strip, .split, .card-grid.six, .card-grid.four, .governance-grid, .partner-grid, .initiative-list {
    grid-template-columns: 1fr;
  }
  .initiative-list article { border-right: 0; border-bottom: 1px solid var(--line); }
  .initiative-list article:last-child { border-bottom: 0; }
  .section { padding-top: 62px; padding-bottom: 62px; }
  .section-heading.inline { display: block; }
  .image-stack img:last-child {
    width: 100%;
    margin: 0;
    border: 0;
  }
  .timeline div { grid-template-columns: 1fr; gap: 2px; }
  .news-card, .news-card.featured { grid-template-columns: 1fr; }
  .news-card.featured img, .news-card img { height: 230px; min-height: 0; }
  .publication { display: grid; padding: 24px; }
  .membership-cta {
    grid-template-columns: 1fr;
    padding: 22px;
  }
  .membership-actions { justify-content: stretch; }
  .membership-actions .button { width: 100%; }
  .contact-section { min-height: 580px; padding-top: 70px; padding-bottom: 70px; }
  footer { display: grid; }
}