.page-products {
  --cat-gap: 18px;
  --cat-pad: 20px;
  padding-bottom: 56px;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  padding-block: 20px 8px;
}

.page-products .cat-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(30px, 8vw, 56px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--white);
  margin: 10px 0 16px;
  max-width: 16em;
}

.page-products .cat-hero .lede {
  margin: 0;
  max-width: 62ch;
}

.page-products .cat-figures {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .cat-figure {
  background: var(--panel);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .cat-figure-key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-products .cat-figure-val {
  font-family: var(--font-num);
  font-size: 22px;
  line-height: 1.2;
  color: var(--white);
}

/* ---------- 通用区块头 ---------- */
.page-products .cat-block {
  margin-top: 46px;
}

.page-products .cat-h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: clamp(20px, 4.4vw, 28px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .cat-h2::before {
  content: "";
  flex: none;
  width: 20px;
  height: 3px;
  border-radius: 2px;
  background: var(--gold);
}

.page-products .cat-sub {
  margin: 0 0 20px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 索引带 ---------- */
.page-products .cat-index {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 10px;
}

.page-products .cat-index-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 16px 17px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(165deg, rgba(18, 48, 74, 0.95), rgba(10, 26, 42, 0.95));
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-products .cat-index-link:hover,
.page-products .cat-index-link:focus-visible {
  border-color: var(--gold);
}

.page-products .cat-index-num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-products .cat-index-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-products .cat-index-desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 路径 ---------- */
.page-products .cat-path {
  position: relative;
  padding: 20px 16px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  overflow: hidden;
}

.page-products .cat-path-line {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.75;
}

.page-products .cat-path-line polyline {
  fill: none;
  stroke: var(--gold-deep);
  stroke-width: 1.5;
  stroke-dasharray: 7 7;
  vector-effect: non-scaling-stroke;
}

.page-products .cat-steps {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .cat-step {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.page-products .cat-step-dot {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--ink);
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(240, 160, 60, 0.14);
}

.page-products .cat-step-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.22s ease;
}

.page-products .cat-step-link:hover,
.page-products .cat-step-link:focus-visible {
  border-bottom-color: var(--gold);
}

.page-products .cat-step-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-products .cat-step-note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 维度卡片 ---------- */
.page-products .cat-dim-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cat-gap);
}

.page-products .cat-dim {
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color 0.24s ease;
}

.page-products .cat-dim:hover {
  border-color: var(--line-strong);
}

.page-products .cat-dim-figure {
  margin: 0;
  overflow: hidden;
  background: var(--ink);
}

.page-products .cat-dim-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06);
}

.page-products .cat-dim-figure--wide {
  aspect-ratio: 16 / 9;
}

.page-products .cat-dim-figure--std {
  aspect-ratio: 3 / 2;
}

.page-products .cat-dim-figure--square {
  aspect-ratio: 1 / 1;
}

.page-products .cat-dim-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--cat-pad);
}

.page-products .cat-dim-body--flush {
  padding-top: calc(var(--cat-pad) + 2px);
}

.page-products .cat-dim-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
}

.page-products .cat-dim-count {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .cat-dim-body .card-title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .cat-dim-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 折叠面板 ---------- */
.page-products .cat-dim .dim {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-products .cat-dim .dim summary {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
  transition: color 0.2s ease;
}

.page-products .cat-dim .dim summary::-webkit-details-marker {
  display: none;
}

.page-products .cat-dim .dim summary::before {
  content: "+";
  font-family: var(--font-num);
  font-size: 14px;
  line-height: 1;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold-deep);
  color: var(--gold);
}

.page-products .cat-dim .dim[open] summary::before {
  content: "\2013";
}

.page-products .cat-dim .dim .dim-body {
  padding-top: 12px;
}

/* ---------- 字段表 ---------- */
.page-products .cat-field-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .cat-field-table caption {
  text-align: left;
  padding: 0 0 10px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .cat-field-table th,
.page-products .cat-field-table td {
  padding: 9px 11px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.page-products .cat-field-table thead th {
  background: var(--plate);
  color: var(--white);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

.page-products .cat-field-table tbody th {
  color: var(--white);
  font-weight: 500;
  white-space: nowrap;
}

.page-products .cat-field-table tbody td {
  color: var(--mist);
  line-height: 1.65;
}

.page-products .cat-field-table tbody td.num {
  font-family: var(--font-num);
  color: var(--white);
  white-space: nowrap;
}

.page-products .cat-field-table tbody tr:hover {
  background: rgba(154, 170, 184, 0.07);
}

/* ---------- 区间带 ---------- */
.page-products .cat-range {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .cat-range-band {
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--plate);
}

.page-products .cat-range-band .range-fill {
  border-radius: 0;
}

.page-products .cat-range-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .cat-range-seg {
  display: grid;
  grid-template-columns: 10px auto 1fr;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-products .cat-range-seg:hover {
  border-color: var(--line-strong);
  background: rgba(154, 170, 184, 0.06);
}

.page-products .cat-range-bar {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  transition: filter 0.2s ease;
}

.page-products .cat-range-bar--teal {
  background: var(--teal);
}

.page-products .cat-range-bar--coral {
  background: var(--coral);
}

.page-products .cat-range-seg:hover .cat-range-bar {
  filter: saturate(1.45) brightness(1.15);
}

.page-products .cat-range-name {
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--white);
  white-space: nowrap;
}

.page-products .cat-range-note {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- 列表 ---------- */
.page-products .cat-bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .cat-bullets li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .cat-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--gold-deep);
}

/* ---------- 检索区 ---------- */
.page-products .cat-lookup {
  gap: 22px;
}

.page-products .cat-lookup-side,
.page-products .cat-lookup-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-products .cat-side-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-products .cat-lookup-side p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .cat-lookup .note {
  margin: 0;
}

.page-products .cat-sort {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
}

/* ---------- 收尾 ---------- */
.page-products .cat-closing {
  margin-top: 46px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(18, 48, 74, 0.96), rgba(10, 26, 42, 0.98) 62%);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .cat-closing-text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .cat-closing-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.page-products .cat-closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .cat-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cat-range-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products {
    --cat-gap: 22px;
    --cat-pad: 24px;
  }

  .page-products .cat-block {
    margin-top: 58px;
  }

  .page-products .cat-path {
    padding: 26px 26px 28px;
  }

  .page-products .cat-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .cat-step {
    flex-direction: column;
    gap: 10px;
  }

  .page-products .cat-path-line {
    display: block;
  }

  .page-products .cat-closing {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 28px 30px;
  }

  .page-products .cat-closing-text {
    max-width: 62ch;
  }

  .page-products .cat-closing-actions {
    flex: none;
  }
}

@media (min-width: 1000px) {
  .page-products .cat-dim-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .cat-dim--wide {
    grid-column: span 7;
  }

  .page-products .cat-dim--narrow {
    grid-column: span 5;
  }

  .page-products .cat-field-table {
    min-width: 0;
  }
}

@media (min-width: 1180px) {
  .page-products .cat-hero {
    padding-block: 28px 10px;
  }

  .page-products .cat-range-legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<END>>>