.page-products {
  --cat-tick-w: 172px;
  --cat-gap: var(--sp-5);
  --cat-line: rgba(59, 74, 87, .55);
  --ink-soft: #56606a;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  padding: var(--sp-5) 0 var(--sp-6);
  background:
    linear-gradient(180deg, rgba(255, 122, 0, .07) 0%, rgba(30, 30, 30, 0) 62%),
    linear-gradient(90deg, rgba(59, 74, 87, .22) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(0deg, rgba(59, 74, 87, .18) 1px, transparent 1px) 0 0 / 24px 24px;
  border-bottom: 1px solid var(--c-line);
}

.page-products .cat-hero__inner {
  display: grid;
  gap: var(--sp-4);
}

.page-products .cat-hero__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--c-silver);
  max-width: 20em;
  margin: 0;
}

.page-products .cat-hero__lede {
  max-width: 46ch;
  color: var(--c-silver);
  opacity: .86;
  margin: 0;
}

.page-products .hero-figures {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--sp-3);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--cat-line);
}

.page-products .hero-metric {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-products .hero-metric__num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 7vw, 56px);
  line-height: 1;
  color: var(--c-amber);
  letter-spacing: -.02em;
}

.page-products .hero-metric__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-silver);
}

.page-products .hero-metric__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* ---------- 双栏骨架 ---------- */
.page-products .cat-layout {
  display: block;
  padding: var(--sp-5) 0 var(--sp-6);
}

.page-products .cat-ticks {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: var(--sp-2);
  margin-bottom: var(--sp-4);
  border-bottom: 1px solid var(--cat-line);
  scrollbar-width: thin;
}

.page-products .cat-tick {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex: 0 0 auto;
  padding: 8px 10px;
  border-left: 2px solid var(--cat-line);
  color: var(--c-muted);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s ease, border-color .2s ease, transform .2s ease;
}

.page-products .cat-tick__num {
  font-size: 11px;
  letter-spacing: .08em;
}

.page-products .cat-tick:hover,
.page-products .cat-tick:focus-visible {
  color: var(--c-silver);
  border-left-color: var(--c-silver);
}

.page-products .cat-tick[aria-current="true"] {
  color: var(--c-amber);
  border-left-color: var(--c-amber);
}

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

.page-products .cat-lead {
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--cat-line);
}

.page-products .cat-lead .lede {
  max-width: 62ch;
  color: var(--c-silver);
  opacity: .84;
}

/* ---------- 分组与类别块 ---------- */
.page-products .cat-group {
  padding-top: var(--sp-5);
}

.page-products .cat-group__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 3vw, 24px);
  letter-spacing: .04em;
  color: var(--c-amber);
  margin: 0 0 var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--c-amber);
}

.page-products .cat-block {
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--cat-line);
  scroll-margin-top: calc(var(--topbar-h) + var(--sp-3));
}

.page-products .cat-block__head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.page-products .cat-block__code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-amber);
  border: 1px solid var(--c-amber);
  padding: 2px 6px;
}

.page-products .cat-block__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 3.6vw, 30px);
  letter-spacing: .02em;
  color: var(--c-silver);
  margin: 0;
}

.page-products .cat-block__note {
  margin: var(--sp-3) 0 0;
  padding-left: var(--sp-2);
  border-left: 2px solid var(--cat-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
  max-width: 62ch;
}

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

.page-products .cat-fig {
  border-top: 1px solid var(--cat-line);
  padding-top: 10px;
}

.page-products .cat-fig__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--c-silver);
  word-break: break-word;
}

.page-products .cat-fig--key .cat-fig__num {
  font-size: clamp(32px, 5vw, 44px);
  color: var(--c-amber);
  letter-spacing: -.02em;
}

.page-products .cat-fig__label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-products .cat-split {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.page-products .cat-split__body {
  display: grid;
  gap: var(--sp-3);
  align-content: start;
}

.page-products .cat-figures--stack {
  margin-bottom: 0;
}

.page-products .cat-block .media-frame {
  margin: 0 0 var(--sp-3);
}

/* ---------- 表格 ---------- */
.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--cat-line);
  background: rgba(42, 42, 42, .5);
}

.page-products .data-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .data-table caption {
  caption-side: top;
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.page-products .data-table th,
.page-products .data-table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(59, 74, 87, .45);
}

.page-products .data-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-muted);
  background: rgba(59, 74, 87, .28);
  border-bottom: 1px solid var(--c-amber);
  white-space: nowrap;
}

.page-products .data-table tbody tr:nth-child(even) {
  background: rgba(59, 74, 87, .14);
}

.page-products .data-table td {
  color: var(--c-silver);
  line-height: 1.6;
}

.page-products .data-table .cell-code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .01em;
  white-space: nowrap;
}

.page-products .cat-detail {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-muted);
  min-width: 180px;
}

.page-products .data-table details summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-amber);
}

.page-products .data-table details summary::-webkit-details-marker {
  display: none;
}

.page-products .data-table details summary::after {
  content: " +";
}

.page-products .data-table details[open] summary::after {
  content: " −";
}

.page-products .data-table .status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  white-space: nowrap;
}

/* ---------- 供货分档 ---------- */
.page-products .supply {
  border-top: 1px solid var(--c-line);
}

.page-products .supply-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.page-products .supply-card {
  position: relative;
  padding: var(--sp-3);
  background: var(--c-panel);
  border: 1px solid var(--cat-line);
  border-top: 3px solid var(--c-grid);
}

.page-products .supply-card__dot {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
}

.page-products .supply-card__title {
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: .04em;
  color: var(--c-silver);
  margin: 0 0 var(--sp-2);
}

.page-products .supply-card__cycle {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1;
  color: var(--c-amber);
  margin: 0 0 var(--sp-2);
}

.page-products .supply-card__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-products .supply-foot {
  margin: var(--sp-4) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-products .supply-foot a {
  color: var(--c-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 工况对照（浅色区） ---------- */
.page-products .scenarios {
  color: var(--c-ink);
}

.page-products .scenarios .section__title {
  color: var(--c-ink);
}

.page-products .scenarios .lede {
  color: var(--ink-soft);
}

.page-products .scenarios .eyebrow {
  color: #7a5a2c;
}

.page-products .scenario-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.page-products .scenario {
  padding: var(--sp-3);
  background: #fff;
  border: 1px solid rgba(15, 15, 15, .14);
  border-left: 3px solid var(--c-amber);
}

.page-products .scenario__title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--c-ink);
  margin: 0 0 var(--sp-1);
}

.page-products .scenario__cats {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: #7a5a2c;
  margin: 0 0 var(--sp-2);
}

.page-products .scenario__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #3b4249;
}

/* ---------- 批次 ---------- */
.page-products .batch {
  border-top: 1px solid var(--c-line);
}

.page-products .batch__inner {
  display: grid;
  gap: var(--sp-4);
}

.page-products .batch__figure {
  margin: 0;
}

.page-products .batch-list {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-products .batch-list li {
  padding-left: var(--sp-3);
  border-left: 2px solid var(--cat-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-silver);
  opacity: .88;
}

.page-products .batch-list__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-amber);
  margin-bottom: 2px;
}

.page-products .batch__foot {
  margin: var(--sp-3) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-products .batch__foot a {
  color: var(--c-amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 对照表与选型 ---------- */
.page-products .compare-table th[scope="row"] {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
  background: rgba(59, 74, 87, .22);
  white-space: nowrap;
}

.page-products .path {
  margin-top: var(--sp-5);
}

.page-products .path__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 3vw, 24px);
  letter-spacing: .04em;
  color: var(--c-silver);
  margin: 0 0 var(--sp-3);
}

.page-products .path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
  position: relative;
}

.page-products .path__node {
  position: relative;
  padding: var(--sp-3) var(--sp-3) var(--sp-3) var(--sp-4);
  background: var(--c-panel);
  border: 1px solid var(--cat-line);
}

.page-products .path__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--c-amber);
}

.page-products .path__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-amber);
  margin-bottom: 6px;
}

.page-products .path__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-silver);
  opacity: .88;
}

/* ---------- 索取目录 ---------- */
.page-products .request {
  border-top: 1px solid var(--c-line);
  background:
    linear-gradient(180deg, rgba(255, 122, 0, .08) 0%, rgba(30, 30, 30, 0) 70%),
    linear-gradient(90deg, rgba(59, 74, 87, .16) 1px, transparent 1px) 0 0 / 24px 24px;
}

.page-products .request__inner {
  display: grid;
  gap: var(--sp-5);
}

.page-products .request-list {
  list-style: none;
  margin: var(--sp-3) 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-products .request-list li {
  position: relative;
  padding-left: var(--sp-3);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-silver);
  opacity: .88;
}

.page-products .request-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  background: var(--c-amber);
}

.page-products .request__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-products .request__aside {
  padding: var(--sp-3);
  background: var(--c-panel);
  border: 1px solid var(--cat-line);
}

.page-products .request__aside-title {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .04em;
  color: var(--c-silver);
  margin: 0 0 var(--sp-2);
}

.page-products .request__links {
  list-style: none;
  margin: 0 0 var(--sp-3);
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .request__links a {
  color: var(--c-amber);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}

.page-products .request__links a:hover {
  border-bottom-color: var(--c-amber);
}

.page-products .request__aside-note {
  margin: 0;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--cat-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 图片容器 ---------- */
.page-products .media-frame {
  display: block;
  position: relative;
}

.page-products .media-frame .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--cat-line);
  background: var(--c-panel);
}

.page-products .batch__figure .media-frame__img {
  aspect-ratio: 10 / 7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .cat-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .cat-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .batch__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .request__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .cat-layout {
    display: grid;
    grid-template-columns: var(--cat-tick-w) minmax(0, 1fr);
    gap: var(--cat-gap);
    align-items: start;
  }

  .page-products .cat-ticks {
    flex-direction: column;
    overflow: visible;
    gap: 0;
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
    position: sticky;
    top: calc(var(--topbar-h) + var(--sp-3));
    max-height: calc(100vh - var(--topbar-h) - var(--sp-4));
    overflow-y: auto;
  }

  .page-products .cat-tick {
    border-left-width: 2px;
    padding: 9px 10px 9px 14px;
  }

  .page-products .cat-tick[aria-current="true"] {
    transform: translateX(-4px);
  }

  .page-products .cat-block__title {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-tick,
  .page-products .request__links a {
    transition: none;
  }

  .page-products .cat-tick[aria-current="true"] {
    transform: none;
  }
}
</style>
<<<PAGE_CSS_END>>>