.source-note {
  grid-column: 1/-1;
  line-height: 1.8;
}
.city-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}
.city-row {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.city-row h3 {
  font-size: 16px;
  margin: 0 0 8px;
  color: var(--ink);
}
.city-row p {
  line-height: 1.7;
  margin: 4px 0;
}
#city-library {
  margin: 28px 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
#city-library label {
  display: block;
  margin: 18px 0 8px;
}
#city-search {
  width: 100%;
  max-width: 480px;
  min-height: 48px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}
@media (max-width: 700px) {
  .city-list {
    grid-template-columns: 1fr;
  }
}