body {
  margin: 0;
  padding: 28px;
  color: #24303c;
  font-family: "Noto Sans TC", "Microsoft JhengHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

article {
  max-width: 760px;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.65rem;
  line-height: 1.25;
}

h3 {
  margin: 28px 0 10px;
  font-size: 1.12rem;
}

.simulation-heading {
  color: #287432;
}

p {
  margin: 0 0 14px;
}

ul {
  padding-left: 1.2rem;
}

.note {
  margin-top: 22px;
  padding: 14px 16px;
  border-left: 4px solid #43a047;
  background: #edf5eb;
  border-radius: 6px;
}

.placeholder {
  display: grid;
  place-items: center;
  min-height: 180px;
  margin: 20px 0;
  border: 1px dashed #b9c8b9;
  border-radius: 8px;
  color: #66727e;
  background: #f6f8f5;
  text-align: center;
}

.content-figure {
  margin: 22px 0 20px;
}

.content-figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 22px 0 20px;
}

.content-figure-grid .content-figure {
  margin: 0;
}

.content-figure img {
  display: block;
  width: min(100%, 680px);
  height: auto;
  border: 1px solid #dce4dc;
  border-radius: 8px;
  background: #fff;
}

.content-figure figcaption {
  margin-top: 8px;
  color: #66727e;
  font-size: 0.92rem;
}

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

.data-table {
  width: 100%;
  margin: 18px 0 24px;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border: 1px solid #dce4dc;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  background: #edf5eb;
  color: #287432;
  font-weight: 800;
}

.data-table tr:nth-child(even) td {
  background: #f8faf7;
}

.lead {
  font-size: 1.08rem;
  color: #3d4a55;
}

.table-wrap {
  width: 100%;
  margin: 18px 0 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-wrap .data-table {
  margin: 0;
}

.strategy-table {
  min-width: 720px;
}

.strategy-table th,
.strategy-table td {
  text-align: center;
  white-space: nowrap;
}

.strategy-table th:first-child,
.strategy-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  text-align: left;
  background: #fff;
  font-weight: 800;
}

.strategy-table th:first-child {
  z-index: 2;
  background: #edf5eb;
}