.duan-approach {
  margin-top: 42px;
  padding-top: 32px;
  border-top: 1px solid #d5c9bb;
}

.duan-approach > header {
  display: grid;
  grid-template-columns: minmax(140px, 0.42fr) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.duan-approach h3 {
  margin: 0;
  font-family: "Songti SC", STSong, serif;
  font-size: 25px;
  font-weight: 500;
  line-height: 1.45;
}

.duan-approach > header p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.85;
}

.duan-approach ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid #d5c9bb;
  border-left: 1px solid #d5c9bb;
  list-style: none;
}

.duan-approach li {
  display: grid;
  min-width: 0;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 13px;
  padding: 23px 20px;
  border-right: 1px solid #d5c9bb;
  border-bottom: 1px solid #d5c9bb;
}

.duan-approach li > span {
  color: var(--duan-gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
}

.duan-approach strong {
  font-family: "Songti SC", STSong, serif;
  font-size: 17px;
  font-weight: 560;
  line-height: 1.45;
}

.duan-approach li p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.8;
}

@media (max-width: 640px) {
  .duan-approach > header,
  .duan-approach ol {
    grid-template-columns: 1fr;
  }

  .duan-approach > header {
    gap: 12px;
  }
}