.main-content {
  height: auto;
  min-height: 60vh;
}
.imp-wrap {
  padding: 24px 0 80px;
}
.imp-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 500;
}
.imp-back svg {
  width: 18px;
  height: 18px;
}
.imp-title {
  font-size: clamp(28px, 5vw, 56px);
  margin: 18px 0 8px;
}
.imp-sec {
  margin: 24px 0;
}
.imp-sec h3 {
  font-size: 20px;
  margin: 0 0 8px;
}
.imp-sec .muted {
  color: var(--muted);
}

.imp-note {
  margin-top: 24px;
  background: #eef4ff;
  border: 1px solid #d7e6ff;
  color: var(--muted);
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 14px;
}
.imp-note strong {
  background: #e5efff;
  padding: 4px 8px;
  border-radius: 8px;
  font-weight: 600;
}
.imp-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}
.imp-label {
  font-weight: 600;
}
@media (min-width: 720px) {
  .imp-cols {
    grid-template-columns: 140px 1fr;
  }
}
/* spacing for ordered list-like layout */
.imp-num {
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  margin: 24px 0 10px;
}
.imp-muted {
  color: var(--muted);
}
.imp-card {
  background: rgba(255, 255, 255, 0.6);
  padding: 16px 20px;
  border-radius: 12px;
  line-height: 1.6;
}