.catalog-tools {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin: 0 0 15px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.catalog-search {
  min-width: 260px;
  color: var(--muted);
  font: 11px var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.catalog-search input {
  display: block;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  padding: 9px 0;
  color: var(--ink);
  font: 15px var(--sans);
  outline: none;
}

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.filter-button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 100px;
  padding: 8px 12px;
  color: var(--ink);
  font: 12px var(--sans);
  cursor: pointer;
}

.filter-button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}

.catalog-count {
  margin: 0 0 22px;
  color: var(--muted);
  font: 11px var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.product-card {
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 35px rgba(20, 33, 61, .1);
}

.product-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.product-category {
  color: var(--coral);
  font: 10px var(--mono);
  text-align: right;
  text-transform: uppercase;
}

.product-name-zh {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.product-page-link {
  display: inline-block;
  margin: 0 0 13px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.show-more {
  display: flex;
  margin: 35px auto 0;
}

.product-dialog {
  width: min(1020px, calc(100% - 30px));
  max-height: 90vh;
  border: 0;
  border-radius: 14px;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 25px 80px rgba(20, 33, 61, .24);
}

.product-dialog::backdrop {
  background: rgba(20, 33, 61, .55);
  backdrop-filter: blur(4px);
}

.dialog-close {
  position: absolute;
  z-index: 1;
  right: 18px;
  top: 15px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
  color: var(--ink);
  font-size: 25px;
  cursor: pointer;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.detail-image-wrap {
  min-height: 560px;
  background: #eceee8;
  display: grid;
  place-items: center;
  padding: 35px;
}

.detail-image-wrap img {
  width: 100%;
  height: 100%;
  max-height: 540px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.detail-copy {
  padding: 52px 45px;
}

.detail-copy h2 {
  margin-bottom: 10px;
  font-size: 48px;
}

.detail-copy .detail-zh {
  margin: 0 0 30px;
  color: var(--muted);
}

.detail-specs {
  margin: 0 0 28px;
}

.detail-specs div {
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.detail-specs dt { color: var(--muted); }
.detail-specs dd { margin: 0; }

.detail-note {
  border-radius: 5px;
  background: #fff;
  padding: 12px;
  color: var(--muted);
  font-size: 12px;
}

.detail-copy .button {
  width: 100%;
  margin-top: 20px;
}

.capabilities { padding-top: 105px; padding-bottom: 105px; background: #fff; }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.capability-grid article { min-height: 205px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-grid span { color: var(--coral); font: 11px var(--mono); }
.capability-grid h3 { margin: 42px 0 8px; }
.capability-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.brief-summary { display: grid; grid-template-columns: auto 1fr; gap: 5px 12px; align-items: center; margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); }
.brief-summary span { display: grid; place-items: center; grid-row: span 2; width: 38px; height: 38px; border-radius: 50%; background: var(--ink); color: #fff; font: 13px var(--mono); }
.brief-summary p { margin: 0; color: var(--muted); font-size: 13px; }
.text-button { width: max-content; border: 0; padding: 0; background: none; color: var(--ink); font: 600 13px var(--sans); cursor: pointer; text-decoration: underline; }
.project-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 15px; margin: 0; padding: 18px; border: 1px solid #cbd0ca; border-radius: 3px; }
.project-fields legend { padding: 0 6px; color: var(--coral); font: 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button-secondary { border: 1px solid var(--ink); background: transparent; color: var(--ink); }
.panel-intro { margin: 18px 0 0; color: var(--muted); font-size: 13px; }

@media (max-width: 850px) {
  .catalog-tools { align-items: stretch; flex-direction: column; }
  .catalog-search { width: 100%; }
  .catalog-filters { justify-content: flex-start; }
  .product-detail { grid-template-columns: 1fr; }
  .detail-image-wrap { min-height: 350px; }
  .detail-copy { padding: 35px; }
  .capability-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .product-category { font-size: 9px; }
  .detail-copy h2 { font-size: 38px; }
  .product-dialog { max-height: 94vh; }
  .detail-image-wrap { min-height: 260px; padding: 22px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article { min-height: 160px; }
  .capability-grid h3 { margin-top: 25px; }
  .project-fields { grid-template-columns: 1fr; }
}