.page-products {
  --ct-hair-light: 1px solid rgba(11, 14, 19, 0.12);
  --ct-hair-soft: 1px solid rgba(11, 14, 19, 0.08);
  --ct-hair-dark: 1px solid rgba(199, 205, 214, 0.20);
}

.page-products .section {
  padding-block: clamp(48px, 6.5vw, 84px);
}

.page-products .section--mist {
  background: var(--mist);
}

.page-products .section--white {
  background: var(--white);
}

.page-products .section--ink {
  background: var(--ink);
  color: var(--on-dark);
}

.page-products .section--deep {
  background: var(--deep);
  color: var(--on-dark);
}

.page-products .section--ink .sec-title,
.page-products .section--deep .sec-title {
  color: var(--on-dark);
}

.page-products .section--ink .sec-note,
.page-products .section--deep .sec-note {
  color: var(--on-dark-2);
}

.page-products .section--ink .sec-index,
.page-products .section--deep .sec-index {
  color: var(--gold);
}

.page-products .section--mist .sec-index,
.page-products .section--white .sec-index {
  color: var(--gold-2);
}

/* ---------- 首屏 ---------- */
.page-products .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--on-dark);
  padding: clamp(56px, 11vw, 124px) 0 clamp(44px, 6vw, 76px);
}

.page-products .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(199, 205, 214, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 205, 214, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-products .ct-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-products .ct-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--on-dark-3);
  margin-bottom: 28px;
}

.page-products .ct-crumbs a {
  color: var(--on-dark-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .ct-crumbs a:hover,
.page-products .ct-crumbs a:focus-visible {
  color: var(--aurora);
  border-bottom-color: var(--aurora);
}

.page-products .ct-eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin: 0 0 20px;
}

.page-products .ct-hero-grid {
  display: grid;
  gap: 28px;
}

.page-products .ct-hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.2vw, 82px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--on-dark);
}

.page-products .ct-hero-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .ct-lead {
  font-size: 17px;
  line-height: 1.8;
  margin: 0;
  color: var(--on-dark);
}

.page-products .ct-sub {
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
  color: var(--on-dark-2);
}

.page-products .ct-meta {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-dark-3);
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(199, 205, 214, 0.24);
}

@media (min-width: 900px) {
  .page-products .ct-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 64px;
    align-items: end;
  }
}

/* ---------- 通栏窄幅图 ---------- */
.page-products .ct-band {
  margin: 32px 0 0;
}

.page-products .ct-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--ct-hair-light);
}

.page-products .section--ink .ct-band img,
.page-products .section--deep .ct-band img {
  border-color: rgba(199, 205, 214, 0.24);
}

.page-products .ct-band--ver {
  margin-top: 28px;
  margin-bottom: 32px;
}

.page-products .ct-band--paths {
  margin-bottom: 40px;
}

/* ---------- 交叉矩阵 ---------- */
.page-products .mx-scroll {
  margin-top: 28px;
  overflow: auto;
  max-height: 76vh;
  background: var(--white);
  border: var(--ct-hair-light);
  -webkit-overflow-scrolling: touch;
}

.page-products .mx-table {
  border-collapse: collapse;
  width: max-content;
  min-width: 100%;
  font-family: var(--font-body);
  font-size: 13px;
}

.page-products .mx-table caption {
  text-align: left;
}

.page-products .mx-table thead th {
  position: sticky;
  top: 0;
  z-index: 4;
  background: var(--deep);
  color: var(--on-dark);
  text-align: left;
  vertical-align: bottom;
  padding: 12px 10px;
  min-width: 96px;
  border-right: 1px solid rgba(199, 205, 214, 0.18);
  border-bottom: 1px solid rgba(199, 205, 214, 0.18);
  font-weight: 500;
}

.page-products .mx-corner {
  left: 0;
  z-index: 6;
  min-width: 156px;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.page-products .mx-code {
  display: block;
  font-size: 12px;
  color: var(--gold);
  margin-bottom: 4px;
}

.page-products .mx-label {
  display: block;
  font-size: 12px;
  line-height: 1.45;
  color: var(--on-dark);
}

.page-products .mx-table tbody th,
.page-products .mx-table tbody td {
  border-right: 1px solid rgba(11, 14, 19, 0.08);
  border-bottom: 1px solid rgba(11, 14, 19, 0.08);
  padding: 0;
  vertical-align: middle;
}

.page-products .mx-rowhead {
  position: sticky;
  left: 0;
  z-index: 3;
  background: var(--mist);
  min-width: 156px;
  padding: 10px 12px !important;
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  font-size: 14px;
  white-space: nowrap;
}

.page-products .mx-line {
  display: inline-block;
  margin-right: 8px;
  font-size: 11px;
  color: var(--gold-2);
}

.page-products .mx-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-width: 96px;
  min-height: 54px;
  padding: 8px 6px;
  text-decoration: none;
  color: var(--deep);
  transition: background-color 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-products .mx-cell:hover,
.page-products .mx-cell:focus-visible {
  background: var(--mist);
  box-shadow: inset 0 0 0 2px var(--aurora-2);
  outline: none;
}

.page-products .mx-id {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .mx-ver {
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--gold-2);
}

.page-products .mx-off {
  text-align: center;
  color: var(--line);
  font-size: 13px;
  padding: 8px 6px;
  min-width: 96px;
}

.page-products .mx-legend {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--rock);
  max-width: 76ch;
}

/* ---------- 筛选带 ---------- */
.page-products .fl-bar {
  margin-top: 30px;
  position: relative;
}

.page-products .fl-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .fl-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-top: var(--ct-hair-light);
  border-bottom: var(--ct-hair-light);
  padding: 12px 0;
}

.page-products .fl-labels label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 7px 14px;
  border: 1px solid var(--line);
  color: var(--rock);
  background: var(--white);
  cursor: pointer;
  transition: background-color 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .fl-labels label:hover {
  border-color: var(--aurora-2);
  color: var(--aurora-2);
}

.page-products #fl-all:checked ~ .fl-labels label[for="fl-all"],
.page-products #fl-a:checked ~ .fl-labels label[for="fl-a"],
.page-products #fl-b:checked ~ .fl-labels label[for="fl-b"],
.page-products #fl-c:checked ~ .fl-labels label[for="fl-c"],
.page-products #fl-d:checked ~ .fl-labels label[for="fl-d"],
.page-products #fl-e:checked ~ .fl-labels label[for="fl-e"],
.page-products #fl-f:checked ~ .fl-labels label[for="fl-f"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--mist);
}

.page-products .fl-input:focus-visible ~ .fl-labels label {
  outline: 2px solid var(--aurora);
  outline-offset: 2px;
}

.page-products:has(#fl-a:checked) .res-card:not(.res-card--a),
.page-products:has(#fl-b:checked) .res-card:not(.res-card--b),
.page-products:has(#fl-c:checked) .res-card:not(.res-card--c),
.page-products:has(#fl-d:checked) .res-card:not(.res-card--d),
.page-products:has(#fl-e:checked) .res-card:not(.res-card--e),
.page-products:has(#fl-f:checked) .res-card:not(.res-card--f) {
  display: none;
}

/* ---------- 编号卡瀑布 ---------- */
.page-products .res-grid {
  columns: 1;
  column-gap: 24px;
  margin-top: 34px;
}

.page-products .res-card {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  display: flow-root;
  margin: 0 0 24px;
  padding: 20px 20px 22px;
  background: var(--white);
  border: var(--ct-hair-light);
  border-top: 2px solid var(--gold-2);
}

.page-products .res-num {
  font-size: 24px;
  font-weight: 600;
  color: var(--gold-2);
  letter-spacing: 0.06em;
  margin: 0 0 10px;
}

.page-products .res-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0 0 10px;
}

.page-products .res-use {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--rock);
}

.page-products .res-extra {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--rock);
}

.page-products .res-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--ct-hair-soft);
}

.page-products .res-meta > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.page-products .res-meta dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--line);
  color: #8b95a1;
  margin: 0;
}

.page-products .res-meta dd {
  margin: 0;
  font-size: 13px;
  color: var(--ink);
}

.page-products .res-figure {
  break-inside: avoid;
  margin: 0 0 24px;
  column-span: all;
}

.page-products .res-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--ct-hair-light);
}

.page-products .res-figure .img-caption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--rock);
}

@media (min-width: 680px) {
  .page-products .res-grid {
    columns: 2;
  }
}

@media (min-width: 1080px) {
  .page-products .res-grid {
    columns: 3;
    column-gap: 28px;
  }
}

/* ---------- 版本切换 ---------- */
.page-products .ver-block {
  position: relative;
  margin-top: 4px;
}

.page-products .ver-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .ver-switch {
  display: inline-flex;
  border: var(--ct-hair-dark);
}

.page-products .ver-label {
  display: block;
  padding: 10px 22px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--on-dark-2);
  cursor: pointer;
  border-right: var(--ct-hair-dark);
  transition: background-color 180ms var(--ease), color 180ms var(--ease);
}

.page-products .ver-label:last-child {
  border-right: 0;
}

.page-products .ver-label:hover {
  color: var(--aurora);
}

.page-products #ver-cur:checked ~ .ver-switch label[for="ver-cur"],
.page-products #ver-prev:checked ~ .ver-switch label[for="ver-prev"] {
  background: var(--aurora);
  color: var(--ink);
}

.page-products #ver-cur:focus-visible ~ .ver-switch label[for="ver-cur"],
.page-products #ver-prev:focus-visible ~ .ver-switch label[for="ver-prev"] {
  outline: 2px solid var(--aurora);
  outline-offset: 3px;
}

.page-products .ver-panels {
  margin-top: 26px;
}

.page-products .ver-panel--prev {
  display: none;
}

.page-products #ver-prev:checked ~ .ver-panels .ver-panel--cur {
  display: none;
}

.page-products #ver-prev:checked ~ .ver-panels .ver-panel--prev {
  display: block;
}

.page-products .ver-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .ver-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .ver-table th,
.page-products .ver-table td {
  text-align: left;
  padding: 13px 14px;
  border-bottom: var(--ct-hair-dark);
  vertical-align: top;
}

.page-products .ver-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
  font-weight: 500;
  border-bottom: 1px solid rgba(199, 205, 214, 0.4);
}

.page-products .ver-table td {
  color: var(--on-dark);
}

.page-products .ver-foot {
  margin: 28px 0 0;
  max-width: 78ch;
  font-size: 13px;
  line-height: 1.9;
  color: var(--on-dark-2);
}

.page-products .ver-foot a,
.page-products .path-foot a,
.page-products .path-steps a {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 226, 198, 0.45);
  transition: border-color 180ms var(--ease);
}

.page-products .ver-foot a:hover,
.page-products .path-foot a:hover,
.page-products .path-steps a:hover {
  border-bottom-color: var(--aurora);
}

/* ---------- 下载索引 ---------- */
.page-products .dl-layout {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

.page-products .ct-dl-figure {
  margin: 0;
}

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

.page-products .dl-groups {
  display: flex;
  flex-direction: column;
  gap: 44px;
}

.page-products .dl-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.page-products .dl-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin: 0;
}

.page-products .dl-count {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-2);
}

.page-products .dl-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .dl-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2px 12px;
  padding: 12px 0;
  border-bottom: var(--ct-hair-soft);
}

.page-products .dl-name {
  font-size: 14px;
  color: var(--ink);
  word-break: break-word;
  text-align: left;
}

.page-products .dl-ver {
  font-size: 12px;
  color: var(--gold-2);
  letter-spacing: 0.04em;
}

.page-products .dl-check {
  font-size: 12px;
  color: var(--rock);
}

.page-products .dl-copy {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--rock);
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-products .dl-copy:hover,
.page-products .dl-copy:focus-visible {
  border-color: var(--aurora-2);
  color: var(--aurora-2);
  outline: none;
}

.page-products .dl-copy:focus-visible {
  box-shadow: 0 0 0 2px rgba(10, 122, 107, 0.35);
}

@media (min-width: 960px) {
  .page-products .dl-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .ct-dl-figure {
    position: sticky;
    top: calc(68px + 24px);
  }

  .page-products .dl-item {
    grid-template-columns: minmax(0, 1fr) 96px 132px 66px;
    gap: 12px;
  }

  .page-products .dl-copy {
    grid-column: 4;
    grid-row: 1;
  }

  .page-products .dl-check {
    text-align: right;
  }
}

/* ---------- 使用路径 ---------- */
.page-products .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: path;
}

.page-products .path-item {
  display: grid;
  gap: 16px;
  padding: 32px 0;
  border-top: var(--ct-hair-dark);
}

.page-products .path-item:first-child {
  border-top: 1px solid rgba(199, 205, 214, 0.4);
}

.page-products .path-num {
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.04em;
}

.page-products .path-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.4;
  color: var(--on-dark);
  margin: 0 0 16px;
}

.page-products .path-steps {
  margin: 0;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .path-steps li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-dark-2);
}

.page-products .path-meta {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--on-dark-3);
  margin: 0;
  align-self: start;
}

.page-products .path-foot {
  margin: 40px 0 0;
  padding-top: 22px;
  border-top: var(--ct-hair-dark);
  max-width: 78ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--on-dark-2);
}

@media (min-width: 900px) {
  .page-products .path-item {
    grid-template-columns: 88px minmax(0, 1fr) 220px;
    gap: 28px;
    padding: 40px 0;
  }

  .page-products .path-meta {
    text-align: right;
    padding-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .mx-cell,
  .page-products .ver-label,
  .page-products .fl-labels label,
  .page-products .dl-copy,
  .page-products .ct-crumbs a {
    transition: none;
  }
}
<<<END>>>