.formula-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.formula-card {
  padding: 28px 26px;
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.88), rgba(10, 13, 20, 0.9));
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.formula-card h3 {
  margin: 0 0 22px;
  font-size: 1.35rem;
}

.formula-list {
  display: grid;
  gap: 16px;
  margin: 0;
}

.formula-item {
  min-width: 0;
}

.formula-item dt {
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.82rem;
}

.formula-item dd {
  margin: 0;
}

.formula-item code {
  display: block;
  overflow-wrap: anywhere;
  padding: 11px 13px;
  color: var(--text);
  background: rgba(5, 10, 18, 0.7);
  border: 1px solid var(--line);
  border-radius: 10px;
  font: 0.88rem/1.6 "Cascadia Code", Consolas, monospace;
}

@media (max-width: 720px) {
  .formula-grid {
    grid-template-columns: 1fr;
  }
}