.page-products {
  --pd-pad: clamp(18px, 3vw, 36px);
  --pd-gap: clamp(22px, 3.2vw, 44px);
  --pd-ink-soft: rgba(16, 22, 20, .72);
  --pd-light-line: rgba(16, 22, 20, .18);
}

/* ---------- 首屏 ---------- */
.page-products .pd-mast {
  position: relative;
  overflow: hidden;
  background: var(--c-ink);
  padding: clamp(18px, 3.5vw, 40px) 0 clamp(30px, 5vw, 68px);
}

.page-products .pd-mast::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(154, 166, 161, .07) 0 1px,
    transparent 1px 76px
  );
}

.page-products .pd-mast__inner {
  position: relative;
  z-index: 1;
}

.page-products .pd-mast__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

@media (min-width: 900px) {
  .page-products .pd-mast__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(36px, 5vw, 80px);
  }
}

.page-products .pd-mast__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-products .pd-mast__lede {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-products .pd-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.page-products .pd-stat {
  background: var(--c-ink);
  padding: 14px 12px 12px;
}

.page-products .pd-stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-mist);
}

.page-products .pd-stat dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 4.4vw, 42px);
  font-weight: 600;
  line-height: 1;
  text-align: right;
  color: var(--c-amber);
}

/* ---------- 主视觉 ---------- */
.page-products .pd-hero {
  margin: 0;
}

.page-products .pd-hero__frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--c-charcoal);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-hero__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.82) contrast(1.06);
}

.page-products .pd-hero__cap {
  margin: 0;
  padding-top: 12px;
  padding-bottom: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 页内索引条 ---------- */
.page-products .pd-idx {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  background: var(--c-charcoal);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-idx__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-products .pd-idx__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-mist);
}

.page-products .pd-idx__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px 4px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-products .pd-idx__list::-webkit-scrollbar {
  height: 2px;
}

.page-products .pd-idx__list::-webkit-scrollbar-thumb {
  background: var(--c-moss);
}

.page-products .pd-idx__list li {
  flex: 0 0 auto;
}

.page-products .pd-idx__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  color: var(--c-paper);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-products .pd-idx__list a:hover,
.page-products .pd-idx__list a:focus-visible {
  border-color: var(--c-amber);
  color: var(--c-amber);
}

.page-products .pd-idx__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--c-amber);
}

/* ---------- 通用章节 ---------- */
.page-products .pd-sec {
  padding: clamp(40px, 7vw, 92px) 0;
}

.page-products .pd-sec--index { background: var(--c-ink); }
.page-products .pd-sec--match { background: var(--c-ink); }
.page-products .pd-sec--draw { background: var(--c-green-mid); }
.page-products .pd-sec--spot { background: var(--c-ink); }
.page-products .pd-sec--list { background: var(--c-ink); }
.page-products .pd-sec--mobile { background: var(--c-charcoal); }
.page-products .pd-sec--search { background: var(--c-paper); }

.page-products .pd-sec__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding-top: 20px;
  margin-bottom: clamp(24px, 4vw, 48px);
  border-top: 1px solid var(--line-strong);
}

@media (min-width: 720px) {
  .page-products .pd-sec__head {
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(20px, 3vw, 48px);
    align-items: start;
  }
}

.page-products .pd-no {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 600;
  line-height: .88;
  letter-spacing: -.02em;
  color: var(--c-amber);
}

.page-products .pd-sec--search .pd-no {
  color: var(--c-green-mid);
}

.page-products .pd-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.8vw, 42px);
  line-height: 1.1;
  letter-spacing: -.005em;
  color: var(--c-paper);
}

.page-products .pd-sec--search .pd-sec__title {
  color: var(--c-ink-black);
}

.page-products .pd-sec__note {
  max-width: 62ch;
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-products .pd-sec--search .pd-sec__note {
  color: var(--pd-ink-soft);
}

/* ---------- 通用表格 ---------- */
.page-products .pd-tablewrap {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  background: rgba(11, 42, 34, .5);
  border: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-products .pd-tablewrap::-webkit-scrollbar {
  height: 2px;
}

.page-products .pd-tablewrap::-webkit-scrollbar-thumb {
  background: var(--c-moss);
}

.page-products .pd-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pd-table__cap {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-mist);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 12px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
  line-height: 1.7;
}

.page-products .pd-table thead th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--c-mist);
  white-space: nowrap;
  border-bottom: 1px solid var(--line-strong);
}

.page-products .pd-table tbody tr {
  height: 44px;
  transition: background var(--t-fast) var(--ease);
}

.page-products .pd-table tbody tr:hover {
  background: rgba(242, 169, 59, .07);
}

.page-products .pd-table tbody tr:hover td:first-child {
  box-shadow: inset 2px 0 0 var(--c-amber);
}

.page-products .pd-table td {
  color: var(--c-paper);
}

.page-products .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
  color: var(--c-amber);
}

.page-products .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
}

.page-products .pd-sec--search .pd-tablewrap {
  background: rgba(255, 255, 255, .55);
  border-color: var(--pd-light-line);
}

.page-products .pd-sec--search .pd-table td {
  color: var(--c-ink-black);
  border-bottom-color: rgba(16, 22, 20, .12);
}

.page-products .pd-sec--search .pd-table thead th {
  color: rgba(16, 22, 20, .62);
  border-bottom-color: rgba(16, 22, 20, .3);
}

.page-products .pd-sec--search .pd-table__cap {
  color: rgba(16, 22, 20, .62);
  border-bottom-color: rgba(16, 22, 20, .12);
}

.page-products .pd-sec--search .pd-table tbody tr:hover {
  background: rgba(22, 73, 60, .07);
}

.page-products .pd-sec--search .pd-table tbody tr:hover td:first-child {
  box-shadow: inset 2px 0 0 var(--c-green-mid);
}

/* ---------- 摘要数字格 ---------- */
.page-products .pd-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(26px, 4vw, 46px);
  border-top: 1px solid var(--line-strong);
}

@media (min-width: 700px) {
  .page-products .pd-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(20px, 3vw, 44px);
  }
}

.page-products .pd-cell {
  padding: 18px 0 20px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-cell__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-mist);
}

.page-products .pd-cell__v {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 600;
  line-height: 1;
  text-align: right;
  color: var(--c-amber);
}

.page-products .pd-cell__v--sm {
  font-size: clamp(17px, 2.1vw, 22px);
  line-height: 1.4;
}

.page-products .pd-cell__d {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 图文分栏 ---------- */
.page-products .pd-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pd-gap);
}

@media (min-width: 880px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .pd-split--rev {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.page-products .pd-split__body {
  min-width: 0;
}

.page-products .pd-lede {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-paper);
}

.page-products .pd-note {
  max-width: 62ch;
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 图片容器 ---------- */
.page-products .pd-fig {
  margin: 0;
  min-width: 0;
}

.page-products .pd-fig__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--c-charcoal);
  border: 1px solid var(--line);
}

.page-products .pd-fig--sq .pd-fig__frame {
  aspect-ratio: 1 / 1;
}

.page-products .pd-fig--tall .pd-fig__frame {
  aspect-ratio: 2 / 3;
}

.page-products .pd-fig__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.82) contrast(1.06);
}

.page-products .pd-fig figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 结构示意图 ---------- */
.page-products .pd-diagramwrap {
  margin-bottom: clamp(26px, 4vw, 48px);
  padding: clamp(18px, 3vw, 34px);
  background: rgba(11, 42, 34, .48);
  border: 1px solid var(--line);
}

.page-products .pd-diagram {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-diagram__box {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}

.page-products .pd-diagram__box--amber {
  stroke: var(--c-amber);
}

.page-products .pd-diagram__link {
  stroke: var(--c-moss);
  stroke-width: 1;
  stroke-dasharray: 3 3;
}

.page-products .pd-diagram__label {
  fill: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products .pd-diagram__sub {
  fill: var(--c-mist);
  font-family: var(--font-mono);
  font-size: 11px;
}

.page-products .pd-diagram__cap {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 折叠说明 ---------- */
.page-products .pd-fold {
  margin-top: 20px;
  background: rgba(11, 42, 34, .48);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: border-left-color var(--t-fast) var(--ease);
}

.page-products .pd-fold[open] {
  border-left-color: var(--c-amber);
}

.page-products .pd-sec--draw .pd-fold,
.page-products .pd-sec--mobile .pd-fold {
  background: rgba(20, 24, 26, .34);
}

.page-products .pd-fold__sum {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-paper);
}

.page-products .pd-fold__sum::-webkit-details-marker {
  display: none;
}

.page-products .pd-fold__hint {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--c-mist);
}

.page-products .pd-fold[open] .pd-fold__hint {
  color: var(--c-amber);
}

.page-products .pd-fold__hint-open { display: none; }
.page-products .pd-fold[open] .pd-fold__hint-open { display: inline; }
.page-products .pd-fold[open] .pd-fold__hint-closed { display: none; }

.page-products .pd-fold__body {
  padding: 0 16px 18px;
}

.page-products .pd-fold__body p {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-products .pd-fold__body .mono {
  color: var(--c-amber);
}

/* ---------- 检索维度 ---------- */
.page-products .pd-dims {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(16, 22, 20, .28);
}

@media (min-width: 760px) {
  .page-products .pd-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 60px);
  }
}

.page-products .pd-dim {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 16px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(16, 22, 20, .16);
}

.page-products .pd-dim__no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  color: var(--c-green-mid);
}

.page-products .pd-dim__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.2;
  color: var(--c-ink-black);
}

.page-products .pd-dim__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pd-ink-soft);
}

.page-products .pd-dim__eg {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink-black);
}

.page-products .pd-dim__egk {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 7px;
  background: var(--c-green-mid);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
}

/* ---------- 页尾交叉链接 ---------- */
.page-products .pd-tail {
  margin-top: clamp(30px, 5vw, 56px);
  padding-top: 22px;
  border-top: 1px solid rgba(16, 22, 20, .28);
}

.page-products .pd-tail__note {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pd-ink-soft);
}

.page-products .pd-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

/* ---------- 焦点可见 ---------- */
.page-products a:focus-visible,
.page-products summary:focus-visible {
  outline: 2px solid var(--c-amber);
  outline-offset: 2px;
}

.page-products .pd-sec--search a:focus-visible,
.page-products .pd-sec--search summary:focus-visible {
  outline-color: var(--c-green-mid);
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pd-idx__list a,
  .page-products .pd-table tbody tr,
  .page-products .pd-fold {
    transition: none;
  }
}
<<<END>>>