.explain-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.explain-card {
  padding: 20px;
  border-radius: 15px;
  background: #f6f7fa;
}
.explain-card strong {
  display: block;
  margin-bottom: 7px;
  color: #283146;
}
.explain-card p {
  margin: 0;
}
.flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  counter-reset: flow;
  padding: 0;
  list-style: none;
}
.flow li {
  counter-increment: flow;
  padding: 20px;
  border: 1px solid #e2e4eb;
  border-radius: 15px;
  background: #fbfbfd;
}
.flow li:before {
  content: counter(flow);
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  margin-bottom: 14px;
  border-radius: 9px;
  background: #e9e6ff;
  color: #4938cb;
  font-weight: 850;
}
.flow strong {
  display: block;
  color: #293247;
  margin-bottom: 7px;
}
.brand-example {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 13px;
  background: #f5f3ff;
  color: #4637b9;
}
.brand-example svg {
  flex: none;
}
.truth-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 15px;
}
.truth-table th,
.truth-table td {
  padding: 13px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid #e5e7ed;
}
.truth-table th {
  color: #313a4d;
  font-size: 0.82rem;
}
.truth-table td {
  color: #5d677a;
  font-size: 0.88rem;
  line-height: 1.5;
}
@media (max-width: 700px) {
  .explain-grid,
  .flow {
    grid-template-columns: 1fr;
  }
  .truth-table,
  .truth-table tbody,
  .truth-table tr,
  .truth-table th,
  .truth-table td {
    display: block;
  }
  .truth-table tr {
    padding: 12px 0;
    border-bottom: 1px solid #e5e7ed;
  }
  .truth-table th,
  .truth-table td {
    border: 0;
    padding: 3px 0;
  }
}