.cluster-page {
  background: #f7fafc;
}
.cluster-hero {
  position: relative;
  overflow: hidden;
  color: #f7fbff;
  background: #071018;
}
.cluster-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(180, 205, 222, 0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(180, 205, 222, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.62;
}
.cluster-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 72% 28%, rgba(84, 154, 210, 0.28), transparent 34%), linear-gradient(90deg, rgba(7, 16, 24, 0.98), rgba(7, 16, 24, 0.72));
}
.cluster-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr);
  gap: clamp(36px, 6vw, 92px);
  width: min(90vw, 1440px);
  padding-top: clamp(72px, 8vw, 124px);
  padding-bottom: clamp(72px, 8vw, 124px);
}
.cluster-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  color: #8fd6e6;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cluster-kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: #8fd6e6;
}
.cluster-hero h1 {
  max-width: 820px;
  margin: 0 0 24px;
  color: #fff;
  font-size: clamp(2.7rem, 5.6vw, 5.8rem);
  line-height: 0.98;
}
.cluster-lead {
  max-width: 760px;
  margin: 0;
  color: rgba(247, 251, 255, 0.74);
  font-size: clamp(1.05rem, 1.45vw, 1.26rem);
  line-height: 1.68;
}
.cluster-proof {
  align-self: center;
  padding: 24px;
  border: 1px solid rgba(190, 214, 232, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(14px);
}
.cluster-proof dl {
  display: grid;
  gap: 0;
  margin: 0;
}
.cluster-proof div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(190, 214, 232, 0.16);
}
.cluster-proof div:last-child {
  border-bottom: 0;
}
.cluster-proof dt {
  color: rgba(247, 251, 255, 0.58);
}
.cluster-proof dd {
  margin: 0;
  color: #fff;
  font-weight: 800;
}
.cluster-section {
  padding-top: clamp(72px, 7vw, 112px);
  padding-bottom: clamp(72px, 7vw, 112px);
}
.cluster-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.74fr) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 84px);
  align-items: start;
}
.cluster-copy {
  max-width: 690px;
}
.cluster-copy h2,
.cluster-panel h2 {
  margin-top: 0;
}
.cluster-copy p {
  color: var(--color-text-secondary);
  font-size: 1.04rem;
  line-height: 1.72;
}
.cluster-panel {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 20px 54px rgba(7, 16, 24, 0.06);
}
.step-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.step-list li {
  position: relative;
  padding: 22px 22px 22px 72px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
}
.step-list b {
  position: absolute;
  left: 22px;
  top: 22px;
  color: #1f4b7a;
}
.step-list strong {
  display: block;
  margin-bottom: 6px;
}
.step-list span {
  color: var(--color-text-secondary);
}
.faq-band {
  background: #fff;
}
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.faq-card {
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #f7fafc;
}
.faq-card h3 {
  margin-top: 0;
}
.faq-card p {
  margin-bottom: 0;
}
.related-band {
  color: #f7fbff;
  background: #071018;
}
.related-band .section-head p {
  color: rgba(247, 251, 255, 0.68);
}
.related-links {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}
.related-links a {
  display: flex;
  min-height: 110px;
  align-items: flex-end;
  padding: 18px;
  color: #fff;
  text-decoration: none;
  border: 1px solid rgba(190, 214, 232, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}
.related-links a:hover {
  border-color: rgba(143, 214, 230, 0.7);
  background: rgba(143, 214, 230, 0.1);
}
@media (max-width: 980px) {
  .cluster-hero-inner,
  .cluster-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid,
  .related-links {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 640px) {
  .cluster-hero-inner {
    width: auto;
  }
  .cluster-hero h1 {
    font-size: clamp(2.2rem, 12vw, 3.6rem);
  }
  .faq-grid,
  .related-links {
    grid-template-columns: 1fr;
  }
}