.op-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
}

.op-title {
  font-family: "Songti SC", "Noto Serif SC", serif;
  color: #1c3a2e;
  margin: 0 0 0.4rem;
  letter-spacing: 0.04em;
}

.op-sub {
  color: #6d7a72;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.op-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 700px) {
  .op-metrics {
    grid-template-columns: 1fr 1fr;
  }
}

.metric {
  background: #fff;
  border: 1px solid #dde5df;
  border-radius: 14px;
  padding: 1.1rem 1.2rem;
}

.metric span {
  display: block;
  color: #6d7a72;
  font-size: 0.82rem;
  margin-bottom: 0.4rem;
}

.metric b {
  font-size: 1.6rem;
  color: #1c3a2e;
}

.metric.fund {
  background: #e6efe9;
  border-color: #c8d9cf;
}

.op-panel {
  background: #fff;
  border: 1px solid #dde5df;
  border-radius: 14px;
  padding: 1.4rem 1.5rem;
  margin-bottom: 1.5rem;
}

.op-panel h2 {
  font-size: 1.05rem;
  color: #1c3a2e;
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
}

.op-h3 {
  font-size: 0.95rem;
  color: #1c3a2e;
  margin: 1.2rem 0 0.5rem;
}

.op-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.op-table th,
.op-table td {
  text-align: left;
  padding: 0.6rem 0.6rem;
  border-bottom: 1px solid #eef0ee;
}

.op-table th {
  color: #6d7a72;
  font-weight: 500;
  font-size: 0.85rem;
}

.tag {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.78rem;
}

.tag.open {
  background: #e6efe9;
  color: #2f5d4a;
}

.tag.closed {
  background: #f6e8e6;
  color: #b0544a;
}

.attr-empty {
  color: #9aa39d;
  font-size: 0.9rem;
}

.attr-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.attr-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f4f7f5;
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  font-size: 0.9rem;
  color: #26332c;
}

.attr-row b {
  color: #2f5d4a;
}

.op-model-list {
  margin: 0;
  padding-left: 1.2rem;
  color: #26332c;
  font-size: 0.92rem;
}

.op-model-list li {
  margin-bottom: 0.4rem;
}

.op-model-list b {
  color: #1c3a2e;
}