.page-products {
  --pd-rule: var(--color-line);
  --pd-pad: var(--space-3);
  --pd-minor: color-mix(in srgb, var(--color-contrast-accent) 78%, var(--color-contrast-ink) 22%);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-4);
}

.page-products .pd-crumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--pd-rule);
}

.page-products .pd-crumb a:hover,
.page-products .pd-crumb a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-top: calc(var(--section-y) + var(--space-4));
  padding-bottom: var(--space-6);
  border-bottom: var(--border-thin) solid var(--pd-rule);
  background: var(--color-surface);
}

.page-products .pd-hero-title {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

.page-products .pd-hero-lede {
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-6);
}

.page-products .pd-hero-grid {
  align-items: start;
}

.page-products .pd-hero-panel {
  padding: var(--space-4);
}

.page-products .pd-hero-panel .mono-label {
  display: block;
  margin-bottom: var(--space-3);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-products .pd-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-3);
  margin-bottom: var(--space-4);
}

.page-products .pd-figure-cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-products .pd-figure {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-accent);
}

.page-products .pd-figure-sm {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--pd-minor);
}

.page-products .pd-plus {
  font-size: 0.6em;
  vertical-align: 0.22em;
}

.page-products .pd-figure-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-products .pd-cat-legend {
  list-style: none;
  margin: 0;
  padding: var(--space-2) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  display: grid;
  gap: var(--space-1);
}

.page-products .pd-cat-legend li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-products .pd-legend-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-contrast-accent);
}

.page-products .pd-hero-media {
  position: relative;
}

.page-products .pd-hero-figure {
  margin: 0;
  overflow: hidden;
  border: var(--border-thin) solid var(--pd-rule);
  border-radius: var(--radius-sm);
  aspect-ratio: 3 / 4;
  min-height: 320px;
}

.page-products .pd-hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pd-hero-tabs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  position: absolute;
  left: 0;
  bottom: var(--space-3);
}

.page-products .pd-hero-tab {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 6px var(--space-2);
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-top: var(--border-thin) solid var(--color-surface);
}

.page-products .pd-hero-tab:nth-child(2) {
  background: var(--color-accent);
}

.page-products .pd-hero-tab:nth-child(3) {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
  border-top-color: var(--color-contrast-line);
}

/* ---------- 筛选带 ---------- */
.page-products .pd-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-2);
  margin-top: var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--pd-rule);
  border-radius: var(--radius-sm);
}

.page-products .pd-filter .filter-btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  padding: 8px var(--space-2);
  color: var(--color-ink-soft);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--pd-rule);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color 160ms linear, background 160ms linear, border-color 160ms linear;
}

.page-products .pd-filter .filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-products .pd-filter .filter-btn[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-products .pd-filter .filter-btn:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 分类说明 ---------- */
.page-products .pd-cats-lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
  margin: var(--space-3) 0 var(--space-6);
}

.page-products .pd-cat {
  align-items: start;
  margin-bottom: var(--space-8);
}

.page-products .pd-cat-media {
  position: relative;
}

.page-products .pd-cat-figure {
  margin: 0;
  overflow: hidden;
  border: var(--border-thin) solid var(--pd-rule);
  border-radius: var(--radius-sm);
}

.page-products .pd-cat-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pd-cat-body {
  padding: var(--space-3);
  background: var(--color-surface);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-products .pd-cat-code {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.page-products .pd-cat-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-products .pd-cat-body p,
.page-products .pd-cat-wide-panel p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
}

.page-products .pd-cat-facts {
  list-style: none;
  margin: var(--space-2) 0;
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid var(--pd-rule);
  border-bottom: var(--border-thin) solid var(--pd-rule);
  display: grid;
  gap: 6px;
}

.page-products .pd-cat-facts li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-cat-bound {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  margin-bottom: 0;
}

.page-products .pd-cat-wide {
  position: relative;
  margin-bottom: var(--space-8);
}

.page-products .pd-cat-figure--full {
  margin: 0;
  overflow: hidden;
  border: var(--border-thin) solid var(--pd-rule);
  position: relative;
}

.page-products .pd-cat-figure--full img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-cat-figure--full .media-scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-products .pd-cat-wide-panel {
  margin-top: calc(var(--space-4) * -1);
  margin-left: var(--space-3);
  margin-right: var(--space-4);
  padding: var(--space-4);
  position: relative;
}

.page-products .pd-cat-wide-panel .pd-cat-code {
  color: var(--color-contrast-accent);
}

.page-products .pd-cat-wide-panel .pd-cat-title {
  color: var(--color-contrast-ink);
}

.page-products .pd-cat-wide-panel p {
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-products .pd-cat-wide-panel .pd-cat-facts {
  border-top-color: var(--color-contrast-line);
  border-bottom-color: var(--color-contrast-line);
}

.page-products .pd-cat-wide-panel .pd-cat-facts li {
  color: var(--color-contrast-ink);
}

.page-products .pd-cat-wide-panel .pd-cat-bound {
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

/* ---------- 目录条目 ---------- */
.page-products .pd-catalog-lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
  margin: var(--space-3) 0 var(--space-6);
}

.page-products .pd-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-products .pd-entry {
  border-top: var(--border-thin) solid var(--pd-rule);
  padding-top: var(--space-2);
  min-width: 0;
  transition: background 160ms linear, border-color 160ms linear;
}

.page-products .pd-entry--12 {
  border-top-width: var(--border-thick);
  border-top-color: var(--color-ink);
}

.page-products .pd-entry.is-hit {
  background: var(--color-highlight);
  border-top-color: var(--color-accent);
}

.page-products .pd-entry-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.page-products .pd-entry-num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-entry-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: var(--space-1) 0 var(--space-2);
}

.page-products .pd-entry-desc {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
}

.page-products .pd-entry-specs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
}

.page-products .pd-entry-specs li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-entry-reveal {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
  transition: max-height 160ms linear, opacity 160ms linear, margin-top 160ms linear, padding-top 160ms linear;
}

.page-products .pd-entry:hover .pd-entry-reveal,
.page-products .pd-entry:focus-within .pd-entry-reveal {
  max-height: 12em;
  opacity: 1;
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--pd-rule);
}

/* ---------- 组合路径 ---------- */
.page-products .pd-paths-lede {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
  margin: var(--space-3) 0 var(--space-6);
}

.page-products .pd-path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-products .pd-path {
  padding: var(--space-3) 0 0;
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-products .pd-path:nth-child(2) {
  border-top-color: var(--color-accent);
}

.page-products .pd-path:nth-child(3) {
  border-top-color: var(--color-ink);
}

.page-products .pd-path-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-2);
}

.page-products .pd-path-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-products .pd-path p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
}

.page-products .pd-path-refs {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin: 0;
}

.page-products .pd-paths-note {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--pd-rule);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .pd-paths-note a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
}

/* ---------- 系列入口 ---------- */
.page-products .pd-next-grid {
  align-items: stretch;
}

.page-products .pd-next-side {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  justify-content: space-between;
}

.page-products .pd-next-side .mono-label {
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-products .pd-next-side-text {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
  margin: 0;
}

.page-products .pd-next-main {
  padding: var(--space-3) 0 0;
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-products .pd-next-title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-products .pd-next-main p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
}

.page-products .pd-next-points {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-products .pd-next-points li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-products .pd-next-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 12px;
  height: var(--border-thin);
  background: var(--color-primary);
}

.page-products .pd-next-btn {
  display: inline-block;
}

.page-products .pd-related {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--pd-rule);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-products .pd-related a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-products .pd-hero-media {
    margin-top: var(--space-6);
  }

  .page-products .pd-filter {
    margin-top: calc(var(--space-4) * -1);
    position: relative;
    z-index: 2;
    max-width: 78%;
  }

  .page-products .pd-cat-body.bite-left {
    margin-left: calc(var(--space-4) * -1);
    position: relative;
    z-index: 2;
  }

  .page-products .pd-cat--even .pd-cat-body {
    padding-right: var(--space-4);
  }

  .page-products .pd-cat-wide-panel {
    position: absolute;
    left: var(--space-4);
    bottom: var(--space-4);
    margin: 0;
    max-width: 460px;
  }

  .page-products .pd-list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
    row-gap: var(--space-6);
  }

  .page-products .pd-entry {
    grid-column: span 6;
  }

  .page-products .pd-entry--4 {
    grid-column: span 4;
  }

  .page-products .pd-entry--5 {
    grid-column: span 5;
  }

  .page-products .pd-entry--7 {
    grid-column: span 7;
  }

  .page-products .pd-entry--8 {
    grid-column: span 8;
  }

  .page-products .pd-entry--12 {
    grid-column: span 12;
  }

  .page-products .pd-path-list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--gutter);
  }

  .page-products .pd-path:nth-child(1) {
    grid-column: span 5;
  }

  .page-products .pd-path:nth-child(2) {
    grid-column: span 7;
    padding-left: var(--space-4);
  }

  .page-products .pd-path:nth-child(3) {
    grid-column: 4 / span 6;
  }
}

@media (min-width: 1120px) {
  .page-products .pd-hero-panel {
    padding: var(--space-6) var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-entry,
  .page-products .pd-entry-reveal,
  .page-products .pd-filter .filter-btn {
    transition: none;
  }
}
<<<END>>>