:root {
  --ink: #172033;
  --muted: #607086;
  --line: #d9e3ee;
  --paper: #ffffff;
  --soft: #f5f8fb;
  --navy: #123047;
  --blue: #1d4ed8;
  --teal: #0f766e;
  --amber: #b45309;
  --green: #047857;
  --red: #b91c1c;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #edf2f7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.topnav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(217, 227, 238, .86);
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  color: var(--navy);
  font-weight: 900;
  letter-spacing: 0;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
}
.nav-links a { color: var(--muted); }
.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #102c43;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(8,25,38,.96) 0 45%, rgba(8,25,38,.72) 68%, rgba(8,25,38,.24) 100%);
  z-index: 1;
}
.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 62px 24px 68px;
}
.eyebrow {
  color: rgba(255,255,255,.72);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1 {
  max-width: 920px;
  margin: 12px 0 0;
  color: inherit;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.1;
  letter-spacing: 0;
}
.hero p {
  max-width: 820px;
  margin: 18px 0 0;
  color: rgba(255,255,255,.86);
  font-size: 18px;
}
.hero-actions, .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  font-weight: 850;
}
.hero .btn {
  border-color: rgba(255,255,255,.28);
  background: rgba(255,255,255,.12);
  color: #fff;
}
.btn.primary {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.hero .btn.primary {
  background: #fff;
  border-color: #fff;
  color: var(--navy);
}
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px 66px;
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin: 8px 0 18px;
}
.section-head h2 {
  margin: 0;
  color: var(--navy);
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: 0;
}
.section-head p {
  max-width: 680px;
  margin: 6px 0 0;
  color: var(--muted);
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 14px 34px rgba(15,23,42,.07);
  overflow: hidden;
}
.card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
}
.card-body { padding: 18px; }
.status {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(15,118,110,.10);
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
}
.meta {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.card h3 {
  margin: 12px 0 0;
  color: var(--navy);
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
}
.card p {
  margin: 10px 0 0;
  color: var(--muted);
}
.resource-list {
  display: grid;
  gap: 12px;
}
.resource {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.resource strong {
  color: var(--navy);
}
.resource span {
  color: var(--muted);
}
.callout {
  margin-top: 20px;
  padding: 18px;
  border-left: 5px solid var(--teal);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
}
.structure {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
}
.structure th,
.structure td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.structure th {
  background: #eaf1f7;
  color: var(--navy);
}
.footer {
  padding: 28px 24px 46px;
  color: var(--muted);
  text-align: center;
}
@media (max-width: 900px) {
  .nav-inner, .section-head { align-items: flex-start; flex-direction: column; }
  .grid, .grid.two { grid-template-columns: 1fr; }
  .resource { grid-template-columns: 1fr; }
  .hero-inner { padding: 42px 18px 48px; }
  .wrap { padding: 24px 18px 48px; }
}