.hub {
  min-height: calc(100vh - var(--header));
  padding: 60px 24px;
}
.hub-inner {
  max-width: 920px;
  margin: 0 auto;
}
.hub-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}
.hub-sub {
  color: var(--text3);
  font-size: 13px;
  margin-bottom: 36px;
}
.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.hub-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: block;
  text-decoration: none;
  color: var(--text);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.hub-card:hover {
  border-color: var(--brand);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
  text-decoration: none;
}
.hub-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 14px;
}
.hub-card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.hub-card-desc {
  font-size: 12px;
  color: var(--text2);
  line-height: 1.5;
}