:root {
  --resource-ink: #001d3d;
  --resource-blue: #0878e8;
  --resource-line: #d9e7f6;
  --resource-soft: #f3f8fe;
  --resource-muted: #61758d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--resource-ink);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}
a { color: inherit; }
.resource-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}
.resource-hero {
  position: relative;
  overflow: hidden;
  padding: 94px 0 112px;
  color: #fff;
  text-align: center;
  background:
    radial-gradient(circle at 16% 20%, rgba(35, 137, 255, .36), transparent 30%),
    radial-gradient(circle at 84% 60%, rgba(46, 115, 211, .35), transparent 30%),
    linear-gradient(135deg, #041a34, #073664 72%, #0a4d89);
}
.resource-hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 88px;
  content: "";
  background: linear-gradient(transparent, var(--resource-soft));
}
.resource-hero .resource-shell { position: relative; z-index: 1; }
.resource-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  color: #b8d9ff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
}
.resource-kicker::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  content: "";
  background: #35d3a3;
  box-shadow: 0 0 14px rgba(53, 211, 163, .7);
}
.resource-hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: -.045em;
}
.resource-hero p {
  max-width: 760px;
  margin: 24px auto 0;
  color: rgba(235, 246, 255, .8);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.8;
}
.resource-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 30px;
}
.resource-tags span {
  padding: 8px 13px;
  border: 1px solid rgba(163, 207, 255, .28);
  border-radius: 999px;
  color: #d8ebff;
  background: rgba(255, 255, 255, .06);
  font-size: 13px;
}
.resource-section { padding: 78px 0; }
.resource-section.soft { background: var(--resource-soft); }
.resource-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}
.resource-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 42px);
  letter-spacing: -.035em;
}
.resource-heading p {
  max-width: 560px;
  margin: 0;
  color: var(--resource-muted);
  line-height: 1.8;
}
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.resource-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--resource-line);
  border-radius: 24px;
  text-decoration: none;
  background: #fff;
  box-shadow: 0 16px 40px rgba(0, 38, 82, .06);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.resource-card:hover {
  transform: translateY(-4px);
  border-color: #9bc9fa;
  box-shadow: 0 22px 50px rgba(0, 73, 146, .11);
}
.resource-card-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  color: #0878e8;
  background: #e8f3ff;
  font-size: 19px;
}
.resource-card h3 {
  margin: 22px 0 10px;
  font-size: 21px;
}
.resource-card p {
  margin: 0;
  color: var(--resource-muted);
  font-size: 14px;
  line-height: 1.75;
}
.resource-card-link {
  margin-top: auto;
  padding-top: 24px;
  color: var(--resource-blue);
  font-size: 14px;
  font-weight: 700;
}
.resource-publication { cursor: pointer; }
.resource-publication:hover {
  transform: translateY(-4px);
  border-color: #9bc9fa;
  box-shadow: 0 22px 50px rgba(0, 73, 146, .11);
}
.resource-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--resource-blue);
  font-size: 12px;
  font-weight: 700;
}
.resource-card-meta span {
  padding: 6px 10px;
  border-radius: 999px;
  background: #e8f3ff;
}
.resource-card-meta em {
  color: #7890a8;
  font-style: normal;
  font-weight: 600;
}
.resource-publication .resource-card-icon { margin-top: 2px; }
.resource-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.resource-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  border: 1px solid var(--resource-line);
  border-radius: 18px;
  text-decoration: none;
  background: #fff;
  transition: border-color .18s ease, transform .18s ease;
}
.resource-list a:hover {
  transform: translateY(-2px);
  border-color: #96c8fa;
}
.resource-list strong { display: block; margin-bottom: 6px; }
.resource-list span {
  color: var(--resource-muted);
  font-size: 13px;
  line-height: 1.6;
}
.resource-list i { color: var(--resource-blue); }
.resource-note {
  padding: 34px;
  border-radius: 24px;
  color: #dcebff;
  background: linear-gradient(135deg, #05284e, #0b5aa8);
}
.resource-note h2 { margin: 0 0 12px; color: #fff; font-size: 28px; }
.resource-note p { max-width: 760px; margin: 0; line-height: 1.8; }
.resource-footer {
  padding: 38px 0;
  border-top: 1px solid var(--resource-line);
  background: #f8fbff;
}
.resource-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.resource-footer img { width: 165px; height: auto; display: block; }
.resource-footer p { margin: 8px 0 0; color: var(--resource-muted); font-size: 13px; }
.resource-footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13px; }
.resource-footer-links a { color: #31516f; text-decoration: none; }
.resource-footer-links a:hover { color: var(--resource-blue); }

@media (max-width: 820px) {
  .resource-hero { padding: 72px 0 92px; }
  .resource-heading { display: block; }
  .resource-heading p { margin-top: 14px; }
  .resource-grid { grid-template-columns: 1fr; }
  .resource-list { grid-template-columns: 1fr; }
  .resource-footer-inner { display: block; }
  .resource-footer-links { margin-top: 24px; }
}