.page-products {
  overflow-x: clip;
  padding-bottom: 72px;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  margin: 18px 0 0;
}

/* ---------- 首屏：左窄轴 + 右主图 ---------- */
.page-products .cat-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 18px 0 6px;
}

.page-products .hero-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cat-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-products .cat-version {
  border: 1px solid var(--line-dark);
  background: var(--navy-800);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .cat-version:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}
.page-products .cat-version[data-copied] {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-products .page-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 7.4vw, 46px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--bright);
  font-stretch: 92%;
}

.page-products .page-lede {
  margin: 14px 0 0;
  max-width: 46ch;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--frost);
}

.page-products .hero-facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-s);
  overflow: hidden;
}
.page-products .hero-facts li {
  background: var(--navy-800);
  padding: 12px 14px;
}
.page-products .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--amber);
}
.page-products .fact-label {
  display: block;
  margin-top: 3px;
  font-size: 12.5px;
  color: var(--frost);
}

.page-products .cat-hero-media {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .cat-hero-media img,
.page-products .tax-figure img,
.page-products .path-figure img,
.page-products .archive-figure img,
.page-products .fields-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 本页目录条 ---------- */
.page-products .page-toc {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 0;
  padding: 9px 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-pill);
  background: var(--navy-800);
  overflow-x: auto;
  scrollbar-width: none;
}
.page-products .page-toc::-webkit-scrollbar {
  display: none;
}
.page-products .toc-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--amber);
}
.page-products .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
}
.page-products .toc-list a {
  display: block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  white-space: nowrap;
  color: var(--frost);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-products .toc-list a:hover {
  color: var(--bright);
  background: var(--navy-700);
}
.page-products .toc-list a[aria-current="location"] {
  color: var(--cyan);
  background: var(--navy-700);
}

/* ---------- 区块骨架 ---------- */
.page-products .section {
  margin: 60px 0 0;
}
.page-products .section-head {
  margin-bottom: 24px;
}
.page-products .section-title {
  font-family: var(--font-display);
  font-stretch: 92%;
}

/* ---------- 01 主题簇九宫格 ---------- */
.page-products .cluster-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .cluster-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "code name count"
    "use use use";
  gap: 6px 12px;
  align-items: baseline;
  min-height: 116px;
  padding: 18px 18px 16px;
  background: var(--navy-800);
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}
.page-products .cluster-link:hover,
.page-products .cluster-link:focus-visible {
  background: var(--navy-700);
}

.page-products .cluster-code {
  grid-area: code;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
}
.page-products .cluster-name {
  grid-area: name;
  font-size: 17px;
  font-weight: 700;
  color: var(--bright);
}
.page-products .cluster-count {
  grid-area: count;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--frost);
}
.page-products .cluster-use {
  grid-area: use;
  align-self: end;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--frost);
}

/* ---------- 02 二级分类 ---------- */
.page-products .tax-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-bottom: 28px;
}

.page-products .rule-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--bright);
}

.page-products .rule-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-s);
  overflow: hidden;
}
.page-products .rule-list li {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 14px;
  background: var(--navy-800);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--frost);
}
.page-products .rule-key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-pill);
  padding: 3px 9px;
}

.page-products .tax-figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .cat-table {
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-m);
  background: var(--paper);
  color: var(--ink);
  overflow: hidden;
}

.page-products .cat-table-head {
  display: none;
}

.page-products .cat-group-title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 14px 18px 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--ink);
  background: var(--paper);
  border-top: 1px solid var(--line-paper);
}
.page-products .cat-table-head + .cat-group .cat-group-title {
  border-top: 0;
}
.page-products .cat-group-title .mono:first-child {
  color: var(--amber-deep);
  letter-spacing: .12em;
}
.page-products .cat-group-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  opacity: .62;
}

.page-products .cat-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 3px 12px;
  padding: 11px 18px;
  border-top: 1px solid var(--line-paper);
  font-size: 14px;
}
.page-products .cat-row:nth-child(odd) {
  background: rgba(201, 191, 174, .26);
}

.page-products .cat-code {
  flex: 0 0 54px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--amber-deep);
}
.page-products .cat-name {
  flex: 1 1 58%;
  font-weight: 700;
  color: var(--ink);
}
.page-products .cat-cluster,
.page-products .cat-time {
  flex: 0 0 auto;
  font-size: 12.5px;
  color: var(--ink);
  opacity: .64;
}
.page-products .cat-count {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

/* ---------- 03 旧版归档 ---------- */
.page-products .archive-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .archive-figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .archive-fold {
  background: var(--navy-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}
.page-products .archive-fold[open] {
  border-color: var(--frost);
}

.page-products .archive-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--bright);
}
.page-products .archive-summary::-webkit-details-marker {
  display: none;
}
.page-products .archive-summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--amber);
}
.page-products .archive-fold[open] .archive-summary::after {
  content: "−";
  color: var(--cyan);
}
.page-products .archive-gen {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--amber);
}
.page-products .archive-gen-name {
  font-size: 13.5px;
  color: var(--frost);
}

.page-products .archive-list {
  list-style: none;
  margin: 0;
  padding: 0 18px 16px;
}
.page-products .archive-list li {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 9px 0;
  border-top: 1px dashed var(--line-dark);
  font-size: 14px;
  color: var(--bright);
}
.page-products .archive-id {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--frost);
}
.page-products .archive-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--amber);
}

.page-products .archive-note {
  margin: 6px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--amber);
  background: var(--navy-800);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--frost);
}

/* ---------- 04 收窄路径 ---------- */
.page-products .path-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-products .path-svg {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .path-line {
  stroke: var(--frost);
  stroke-width: 2;
  stroke-dasharray: 6 9;
  opacity: .45;
}
.page-products .path-node {
  fill: var(--amber);
}
.page-products .path-node--end {
  fill: var(--cyan);
}

.page-products .step-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}
.page-products .step {
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--amber);
}
.page-products .step-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber);
}
.page-products .step-title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--bright);
}
.page-products .step-text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--frost);
}

.page-products .path-figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  overflow: hidden;
}

/* ---------- 05 条目字段 ---------- */
.page-products .fields-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .fields-figure {
  margin: 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .field-list {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.page-products .field-item {
  background: var(--navy-800);
  padding: 16px 18px;
}
.page-products .field-name {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 15px;
  font-weight: 800;
  color: var(--bright);
}
.page-products .field-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--amber);
}
.page-products .field-desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--frost);
}

.page-products .field-warn {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 15px 18px;
  border-left: 3px solid var(--alert);
  background: var(--navy-800);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--bright);
}

/* ---------- 06 补充与反馈 ---------- */
.page-products .feedback-panel {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  background: var(--navy-800);
  padding: 20px 18px;
}
.page-products .feedback-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--frost);
}

.page-products .feedback-links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-s);
  overflow: hidden;
}
.page-products .feedback-links li {
  background: var(--navy-700);
  padding: 14px 16px;
}
.page-products .feedback-links a {
  font-size: 15px;
  font-weight: 800;
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
.page-products .feedback-links a:hover,
.page-products .feedback-links a:focus-visible {
  color: var(--amber);
}
.page-products .feedback-links span {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--frost);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px) {
  .page-products .cluster-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 26px;
  }
  .page-products .feedback-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .cat-hero {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 40px;
    align-items: start;
    padding: 34px 0 10px;
  }
  .page-products .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .tax-intro {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }
  .page-products .archive-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }
  .page-products .path-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }
  .page-products .fields-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }
  .page-products .feedback-panel {
    padding: 26px 24px;
  }

  .page-products .cat-table-head {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr) 160px 64px 96px;
    gap: 0 16px;
    padding: 12px 18px;
    background: var(--navy-800);
    color: var(--frost);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .08em;
  }
  .page-products .cat-table-head span:nth-child(4) {
    text-align: right;
  }
  .page-products .cat-row {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr) 160px 64px 96px;
    gap: 0 16px;
    align-items: center;
    padding: 11px 18px;
  }
  .page-products .cat-count {
    text-align: right;
  }
}

@media (min-width: 1000px) {
  .page-products .cluster-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .feedback-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
  }
}
<<<END>>>