.cl-portal-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
}
.cl-portal-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.cl-portal-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: #0f172a;
  text-decoration: none;
}
.cl-portal-logo-icon {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: #2563eb;
  color: #fff;
}
.cl-portal-links { display: flex; gap: 18px; font-size: .9rem; }
.cl-hero {
  padding: 120px 0 56px;
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 60%, #ecfeff 100%);
}
.cl-hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin: 12px 0 16px; }
.cl-hero p { max-width: 760px; color: #475569; font-size: 1.05rem; line-height: 1.9; }
.cl-cats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.cl-cat-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  background: #fff;
  color: inherit;
  text-decoration: none;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.cl-cat-card:hover {
  transform: translateY(-3px);
  border-color: #93c5fd;
  box-shadow: 0 12px 30px rgba(37, 99, 235, .12);
}
.cl-cat-card h3 { margin: 0; font-size: 1.05rem; color: #0f172a; }
.cl-cat-card p { margin: 0; color: #64748b; font-size: .9rem; line-height: 1.7; }
.cl-cat-card span { margin-top: auto; color: #2563eb; font-size: .86rem; font-weight: 600; }
.cl-section { padding: 56px 0; }
.cl-note {
  margin-top: 26px;
  padding: 16px 20px;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #475569;
  font-size: .9rem;
  line-height: 1.8;
}
.cl-portal-footer {
  padding: 32px 0;
  border-top: 1px solid #e2e8f0;
  color: #64748b;
  font-size: .86rem;
}
@media (max-width: 968px) {
  .cl-cats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .cl-cats { grid-template-columns: 1fr; }
  .cl-hero { padding-top: 96px; }
  .cl-portal-links { gap: 12px; font-size: .82rem; }
}