.page-products {
  --tree-w: 236px;
}

.page-products img {
  max-width: 100%;
  height: auto;
}

.page-products .breadcrumb {
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--text-mute);
}

.page-products .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .breadcrumb a {
  color: var(--gold);
  text-decoration: none;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--gold-bright);
}

.page-products .catalog-hero {
  position: relative;
  padding: clamp(24px, 4vw, 44px) 0 clamp(22px, 3.5vw, 32px);
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-products .catalog-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 104px;
  height: 2px;
  background: var(--gold);
}

.page-products .catalog-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-products h1 {
  margin: 0 0 16px;
  max-width: 22ch;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(27px, 4.6vw, 44px);
  line-height: 1.24;
  color: var(--text-strong);
}

.page-products .catalog-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-products .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--text-mute);
}

.page-products .hero-stats strong {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--gold-bright);
}

.page-products .catalog-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: clamp(24px, 3vw, 36px);
  padding-bottom: clamp(48px, 6vw, 80px);
}

.page-products .catalog-tree {
  padding: 18px 16px 20px;
  border: 1px solid var(--line-gold-soft);
  background: linear-gradient(180deg, rgba(18, 41, 63, .88), rgba(11, 27, 43, .55));
}

.page-products .tree-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-products .tree-list {
  margin: 0;
  padding: 0 0 0 15px;
  border-left: 1px solid var(--line-gold);
  list-style: none;
}

.page-products .tree-list li {
  margin: 0 0 2px;
}

.page-products .tree-list a {
  position: relative;
  display: flex;
  gap: 9px;
  align-items: baseline;
  padding: 7px 6px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-body);
  text-decoration: none;
  transition: color var(--ease), background var(--ease);
}

.page-products .tree-list a::before {
  content: "";
  position: absolute;
  left: -15px;
  top: 50%;
  width: 7px;
  height: 1px;
  background: var(--line-gold);
  transition: width var(--ease), background var(--ease);
}

.page-products .tree-list a:hover,
.page-products .tree-list a:focus-visible {
  color: var(--gold-bright);
  background: rgba(200, 162, 74, .08);
}

.page-products .tree-list a[aria-current="location"] {
  color: var(--gold-bright);
  background: rgba(200, 162, 74, .12);
}

.page-products .tree-list a[aria-current="location"]::before {
  width: 14px;
  background: var(--gold-bright);
}

.page-products .tree-code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-products .tree-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-products .tree-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-products .tree-note a:hover,
.page-products .tree-note a:focus-visible {
  color: var(--gold-bright);
}

.page-products .catalog-main {
  min-width: 0;
}

.page-products .cat-section {
  padding: clamp(26px, 4vw, 42px) 0;
}

.page-products .cat-section + .cat-section {
  border-top: 1px solid var(--line-soft);
}

.page-products .cat-head {
  margin-bottom: 22px;
}

.page-products .cat-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .cat-rule {
  display: block;
  height: 1px;
  margin: 8px 0 14px;
  background: var(--line-gold);
}

.page-products .cat-title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.38;
  color: var(--text-strong);
}

.page-products .cat-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-products .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  min-width: 0;
}

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

.page-products .column-table th {
  padding: 8px 10px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-align: left;
  white-space: nowrap;
  color: var(--text-mute);
  border-bottom: 1px solid var(--line-gold);
}

.page-products .column-table td {
  padding: 9px 10px;
  color: var(--text-body);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .column-table tbody tr:hover td {
  color: var(--paper);
  background: rgba(200, 162, 74, .06);
}

.page-products .column-table .mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--gold);
}

.page-products .column-table .num-col {
  text-align: right;
}

.page-products .column-table tr.is-total td {
  font-weight: 600;
  color: var(--paper);
  border-top: 1px solid var(--line-gold);
  border-bottom: none;
}

.page-products .figure {
  margin: 0;
  border: 1px solid var(--line-gold-soft);
  background: var(--panel);
  overflow: hidden;
}

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

.page-products .figure figcaption {
  padding: 9px 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-mute);
  border-top: 1px solid var(--line-gold-soft);
  background: rgba(6, 18, 30, .55);
}

.page-products .figure--wide {
  margin-bottom: 22px;
}

.page-products .code-block {
  margin-top: 24px;
  padding: 16px 18px;
  border-left: 2px solid var(--gold);
  background: rgba(18, 41, 63, .6);
}

.page-products .code-demo {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--gold-bright);
}

.page-products .code-sep {
  color: var(--line-gold);
}

.page-products .code-explain {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-products .mono {
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-products .scale-wrap {
  overflow-x: auto;
  margin: 4px 0 20px;
  padding-bottom: 4px;
}

.page-products .version-scale {
  display: grid;
  grid-template-columns: repeat(9, minmax(62px, 1fr));
  min-width: 560px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .version-scale li {
  position: relative;
  padding: 11px 6px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
  border-top: 2px solid var(--line-gold);
}

.page-products .version-scale li::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 2px;
  height: 9px;
  background: var(--gold);
}

.page-products .version-scale .scale-name {
  display: block;
  font-size: 13px;
  color: var(--paper);
}

.page-products .version-scale .scale-sub {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  color: var(--text-mute);
}

.page-products .entry-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .entry {
  padding: 14px 16px 15px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--gold);
  background: var(--panel);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-products .entry:hover {
  border-color: var(--line-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.page-products .entry-code {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--gold);
}

.page-products .entry-title {
  display: block;
  margin: 6px 0 5px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .entry-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-body);
}

.page-products .entry-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin: 11px 0 0;
  padding-top: 9px;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-mute);
}

.page-products .tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 1px 7px;
  font-family: var(--font-sans);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--celadon);
  border: 1px solid var(--line-soft);
}

.page-products .tag--update {
  color: var(--cinnabar);
  border-color: rgba(200, 64, 47, .5);
}

.page-products .tag--update::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cinnabar);
  animation: a9-products-pulse 2.4s ease-in-out infinite;
}

@keyframes a9-products-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

.page-products .vault-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .vault {
  padding: 14px 14px 16px;
  border: 1px solid var(--line-gold-soft);
  background: linear-gradient(160deg, rgba(18, 41, 63, .95), rgba(11, 27, 43, .9));
  transition: border-color var(--ease);
}

.page-products .vault:hover {
  border-color: var(--line-gold);
}

.page-products .vault-plate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-deep);
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  box-shadow: 0 2px 6px rgba(3, 9, 15, .45);
}

.page-products .vault-range {
  margin: 10px 0 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gold-bright);
}

.page-products .vault-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--text-body);
}

.page-products .note-card {
  margin-top: 22px;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--gold);
  background: rgba(31, 78, 90, .22);
}

.page-products .note-title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .note-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-products .field-list {
  margin: 0;
  border-top: 1px solid var(--line-gold);
}

.page-products .field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .field-row dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-products .field-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-body);
}

.page-products .field-row dd strong {
  font-weight: 600;
  color: var(--paper);
}

.page-products .route-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .route {
  padding: 16px 16px 18px;
  border-top: 2px solid var(--gold);
  background: rgba(18, 41, 63, .62);
}

.page-products .route-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .route-title {
  margin: 6px 0 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .route p {
  margin: 0 0 10px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text-body);
}

.page-products .route .route-when {
  margin: 0;
  padding-top: 9px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-mute);
  border-top: 1px dashed var(--line-soft);
}

.page-products .route-list + .figure {
  margin-top: 22px;
}

.page-products .handoff {
  margin: 20px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-products .handoff a,
.page-products .weekly a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-products .handoff a:hover,
.page-products .weekly a:hover,
.page-products .handoff a:focus-visible,
.page-products .weekly a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold-bright);
}

.page-products .change-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-gold);
}

.page-products .change {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .change-type {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .change p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-body);
}

.page-products .change-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-mute);
}

.page-products .weekly {
  margin: 20px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-products .action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--gold-bright);
  text-decoration: none;
  background: transparent;
  border: 1px solid var(--gold);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-products .btn:hover,
.page-products .btn:focus-visible {
  color: var(--paper);
  background: rgba(200, 162, 74, .16);
  border-color: var(--gold-bright);
}

.page-products a:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 2px;
}

@media (min-width: 560px) {
  .page-products .vault-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .field-row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-products .change {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 8px 18px;
    align-items: baseline;
  }

  .page-products .change-time {
    grid-column: 2;
  }
}

@media (min-width: 720px) {
  .page-products .split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 28px;
  }

  .page-products .split--rev {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }

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

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

  .page-products .route-list + .figure {
    margin-top: 26px;
  }
}

@media (min-width: 900px) {
  .page-products .change {
    grid-template-columns: 78px minmax(0, 1fr) 148px;
    align-items: center;
  }

  .page-products .change-time {
    grid-column: 3;
    text-align: right;
  }
}

@media (min-width: 980px) {
  .page-products .catalog-shell {
    grid-template-columns: var(--tree-w) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .catalog-tree {
    position: sticky;
    top: 76px;
  }

  .page-products .cat-section {
    padding: 40px 0;
  }

  .page-products .cat-section:first-child {
    padding-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tag--update::before {
    animation: none;
  }

  .page-products .entry,
  .page-products .tree-list a,
  .page-products .btn,
  .page-products .vault {
    transition: none;
  }

  .page-products .entry:hover {
    transform: none;
  }
}