/* 产品中心与产品分类页专有样式 */

.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.cat-tile {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  border: 2px solid var(--edge);
  background: #fff;
  padding: 26px 26px 28px;
  color: var(--ink);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}
.cat-tile:hover { transform: translate(-3px, -3px); box-shadow: 7px 7px 0 rgba(43, 34, 29, 0.16); background: var(--brand-soft); }
.cat-tile .no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-strong);
  letter-spacing: 0.1em;
  padding-top: 4px;
}
.cat-tile h3 { font-size: 22px; margin-bottom: 8px; }
.cat-tile:hover h3 { color: var(--brand-strong); }
.cat-tile p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.7; }
.cat-tile .count {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brand-strong);
}

.prod-cat-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 2px solid var(--edge);
  padding-bottom: 12px;
  margin-bottom: 24px;
}
.prod-cat-head h2 { font-size: clamp(24px, 3vw, 34px); }
.prod-cat-head .en {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.spec-note { margin: 22px 0 0; font-size: 13px; color: var(--muted); line-height: 1.75; }
.step-wrap { margin-top: 40px; }

.cat-tile:last-child { grid-column: 1 / -1; }

@media (max-width: 860px) {
  .cat-grid { grid-template-columns: 1fr; }
  .cat-tile:last-child { grid-column: auto; }
}