.page-products {
  --prod-rail: 240px;
  --prod-hair: 1px;
  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-products .prod-topbar {
  padding: 1.1rem 0 0;
}

.page-products .prod-topbar .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .prod-topbar .breadcrumbs a {
  color: var(--mint);
  text-decoration: none;
}

.page-products .prod-topbar .breadcrumbs a:hover,
.page-products .prod-topbar .breadcrumbs a:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
}

/* ---------- hero ---------- */
.page-products .prod-hero {
  padding-block: clamp(2rem, 5vw, 4.5rem);
}

.page-products .prod-hero-grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: center;
}

.page-products .prod-hero-copy .display-title {
  margin: 0.7rem 0 0;
  max-width: 22ch;
}

.page-products .prod-hero-copy .lede {
  margin: 1.1rem 0 0;
  max-width: 38ch;
  color: var(--muted);
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-products .prod-hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.25rem;
  margin: 2rem 0 0;
  padding-top: 1.35rem;
  border-top: 2px solid var(--line);
}

.page-products .prod-hero-facts dt {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .prod-hero-facts dd {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text);
}

.page-products .prod-hero-facts dd .mono {
  font-size: 1.45rem;
  color: var(--cyan);
  margin-right: 0.15em;
}

.page-products .prod-hero-visual {
  position: relative;
  padding: clamp(1rem, 2.5vw, 1.6rem);
  border: 2px solid var(--line);
  border-radius: 4px;
  background:
    radial-gradient(circle at 82% 12%, rgba(53, 224, 208, 0.16), transparent 58%),
    var(--panel);
  box-shadow: 6px 6px 0 var(--shadow);
}

.page-products .prod-nine {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.page-products .prod-nine span {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: clamp(0.75rem, 2vw, 0.95rem);
  color: var(--muted);
  background: rgba(12, 32, 54, 0.75);
}

.page-products .prod-nine span:nth-child(3n + 1) {
  border-color: var(--line-soft);
}

.page-products .prod-nine span:last-child {
  border-color: var(--cyan);
  border-width: 2px;
  color: var(--cyan);
  background: rgba(53, 224, 208, 0.1);
}

.page-products .prod-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-dots i {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mint);
  opacity: 0.65;
}

.page-products .prod-dots i:nth-child(even) {
  background: var(--amber);
  opacity: 0.5;
}

.page-products .prod-visual-cap {
  margin: 0.9rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- inverse section ---------- */
.page-products .section--inverse {
  background: var(--paper);
  color: var(--ink);
}

.page-products .section--inverse .lede,
.page-products .section--inverse p {
  color: #24384b;
}

.page-products .section--inverse .eyebrow {
  color: #7a5a1f;
}

/* ---------- overview ---------- */
.page-products .prod-overview {
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

.page-products .prod-overview .section-head {
  max-width: 62ch;
}

.page-products .prod-pillars {
  display: grid;
  gap: 1.1rem;
  margin: clamp(1.75rem, 3vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-pillar {
  padding: 1.1rem 1.1rem 1.25rem;
  border: 2px solid var(--ink);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 4px 4px 0 rgba(7, 20, 38, 0.16);
}

.page-products .prod-pillar-no {
  display: block;
  font-size: 0.9rem;
  color: #7a5a1f;
}

.page-products .prod-pillar-title {
  margin: 0.35rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .prod-pillar p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: #24384b;
}

.page-products .prod-numbers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(7, 20, 38, 0.25);
}

.page-products .prod-number {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-products .prod-number-value {
  font-size: clamp(1.5rem, 4vw, 2.15rem);
  line-height: 1;
  color: #0a4c50;
}

.page-products .prod-number-label {
  font-size: 0.83rem;
  color: #3a4c5e;
}

/* ---------- shared figure ---------- */
.page-products .prod-figure {
  margin: 0;
  border: 2px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  box-shadow: 6px 6px 0 var(--shadow);
  overflow: hidden;
}

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

.page-products .prod-figure-cap {
  padding: 0.8rem 1rem 0.9rem;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
  background: var(--panel);
}

/* ---------- taxonomy ---------- */
.page-products .prod-map {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

.page-products .prod-map .section-head {
  max-width: 66ch;
}

.page-products .prod-map .lede {
  color: var(--muted);
}

.page-products .prod-tree {
  display: grid;
  gap: 0.9rem;
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
}

.page-products .prod-branch {
  padding: 0.9rem 1rem 1rem;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--panel);
  box-shadow: 4px 4px 0 var(--shadow);
}

.page-products .prod-node {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}

.page-products .prod-node-no {
  font-size: 0.8rem;
  color: var(--cyan);
}

.page-products .prod-node-name {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .prod-leaves {
  display: grid;
  gap: 0.15rem;
  margin: 0.7rem 0 0;
  padding: 0 0 0 0.85rem;
  list-style: none;
  border-left: 2px solid var(--line);
}

.page-products .prod-leaves li {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.4rem 0 0.4rem 0.85rem;
}

.page-products .prod-leaves li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 0.55rem;
  height: 2px;
  background: var(--line);
}

.page-products .prod-leaves .label-en {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--mint);
}

.page-products .prod-leaves .label-cn {
  font-size: 0.88rem;
  color: var(--text);
}

.page-products .prod-map .prod-figure {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

/* ---------- scenes ---------- */
.page-products .prod-scenes {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-scenes-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-products .prod-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-products .prod-filter .filter-button {
  font-size: 0.8rem;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
}

.page-products .prod-filter-status {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .prod-scene-grid {
  display: grid;
  gap: 0.9rem;
}

.page-products .prod-scene {
  padding: 0.95rem 1rem 1.05rem;
  border: 2px solid var(--line);
  border-left: 4px solid var(--cyan);
  border-radius: 3px;
  background: var(--panel);
  transition: transform 140ms ease, border-color 140ms ease;
}

.page-products .prod-scene:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-products .prod-scene-tag {
  display: block;
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .prod-scene-title {
  margin: 0.35rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .prod-scene p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .prod-no-results {
  grid-column: 1 / -1;
  padding: 1rem 1.1rem;
  border: 2px dashed var(--coral);
  border-radius: 3px;
  color: var(--text);
  background: rgba(224, 91, 74, 0.08);
  font-size: 0.9rem;
}

/* ---------- volumes ---------- */
.page-products .prod-volumes {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  background: linear-gradient(180deg, rgba(12, 32, 54, 0.85), var(--ink));
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-volumes .section-head {
  max-width: 64ch;
}

.page-products .prod-volumes .lede {
  color: var(--muted);
}

.page-products .prod-vol-layout {
  display: grid;
  gap: 1.5rem;
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
}

.page-products .prod-vol-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-vol {
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--panel);
  box-shadow: 4px 4px 0 var(--shadow);
}

.page-products .prod-vol-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 0.9rem;
  cursor: pointer;
  list-style: none;
}

.page-products .prod-vol-summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-vol-no {
  font-size: 1.3rem;
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-vol-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text);
}

.page-products .prod-vol-summary .status {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.4rem;
}

.page-products .prod-vol-body {
  padding: 0 0.9rem 0.95rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-vol-body p {
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- retrieval ---------- */
.page-products .prod-search {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-search-grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

.page-products .prod-search-copy .lede {
  margin-top: 0.9rem;
  color: var(--muted);
  max-width: 42ch;
}

.page-products .prod-modes {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-mode {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(12, 32, 54, 0.7);
}

.page-products .prod-mode-no {
  font-size: 0.78rem;
  color: var(--amber);
  padding-top: 0.15rem;
}

.page-products .prod-mode h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--text);
}

.page-products .prod-mode p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .prod-callout {
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  border: 2px solid var(--cyan);
  border-radius: 3px;
  background: rgba(53, 224, 208, 0.07);
}

.page-products .prod-callout h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--cyan);
}

.page-products .prod-callout p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- compat ---------- */
.page-products .prod-compat {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-compat-grid {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

.page-products .prod-compat-copy .lede {
  margin-top: 0.9rem;
  max-width: 42ch;
  color: var(--muted);
}

.page-products .prod-layouts {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-layout {
  padding: 0.9rem 1rem;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--panel);
}

.page-products .prod-layout h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  color: var(--mint);
}

.page-products .prod-layout p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .prod-compat-note {
  margin: 1.2rem 0 0;
  padding-left: 0.9rem;
  border-left: 3px solid var(--amber);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-compat-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-products .prod-mobile-figure {
  max-width: 340px;
  margin-inline: auto;
}

/* ---------- flow ---------- */
.page-products .prod-flow {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-flow .lede {
  color: var(--muted);
}

.page-products .prod-flow-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  align-items: start;
}

.page-products .prod-steps {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-step {
  position: relative;
  padding: 0.95rem 1rem 1.05rem 3.2rem;
  border: 2px solid var(--line);
  border-radius: 3px;
  background: var(--panel);
  box-shadow: 4px 4px 0 var(--shadow);
}

.page-products .prod-step-no {
  position: absolute;
  left: 0.85rem;
  top: 0.95rem;
  font-size: 1.15rem;
  color: var(--cyan);
  line-height: 1;
}

.page-products .prod-step h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text);
}

.page-products .prod-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- metrics ---------- */
.page-products .prod-metrics {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  background: var(--panel);
  border-top: 2px solid var(--line);
}

.page-products .prod-metrics .section-head {
  max-width: 64ch;
}

.page-products .prod-metrics .lede {
  color: var(--muted);
}

.page-products .prod-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 2px solid var(--line);
  border-left: 2px solid var(--line);
}

.page-products .prod-metric {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0.9rem 1.1rem;
  border-right: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-products .prod-metric-num {
  font-size: clamp(1.3rem, 3.4vw, 1.9rem);
  line-height: 1;
  color: var(--cyan);
}

.page-products .prod-metric:nth-child(3n) .prod-metric-num {
  color: var(--amber);
}

.page-products .prod-metric-label {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .prod-metrics-foot {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.75rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

.page-products .prod-metrics-foot p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
  max-width: 60ch;
}

.page-products .prod-metrics-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.5);
}

.page-products .prod-metrics-foot a:hover,
.page-products .prod-metrics-foot a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-products .prod-metrics-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* ---------- responsive ---------- */
@media (min-width: 640px) {
  .page-products .prod-pillars {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .prod-numbers {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  .page-products .prod-metrics-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-products .prod-tree {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .prod-vol-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-products .prod-search-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-products .prod-compat-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2.5rem;
  }

  .page-products .prod-flow-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2.25rem;
  }

  .page-products .prod-metric-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-products .prod-scenes-grid {
    grid-template-columns: var(--prod-rail) minmax(0, 1fr);
    gap: 2.25rem;
    align-items: start;
  }

  .page-products .prod-scenes-rail {
    position: sticky;
    top: 5.5rem;
  }

  .page-products .prod-filter {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
  }

  .page-products .prod-filter .filter-button {
    text-align: left;
    border-radius: 2px;
  }

  .page-products .prod-scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-scene {
    transition: none;
  }

  .page-products .prod-scene:hover {
    transform: none;
  }
}
<<<END>>>