.page-products {
  --cat-gap: 20px;
  --cat-surface: var(--ink-850);
  --cat-surface-2: var(--ink-750);
}

.page-products [id] {
  scroll-margin-top: 96px;
}

.page-products .section {
  padding-block: clamp(52px, 7vw, 92px);
}

/* ============ 首屏 ============ */
.page-products .cat-hero {
  padding-block: 24px clamp(48px, 6vw, 76px);
}

.page-products .cat-hero .breadcrumb {
  margin-bottom: 30px;
}

.page-products .cat-hero__top {
  display: grid;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line-500);
}

.page-products .cat-hero__lead .eyebrow {
  margin: 0 0 14px;
}

.page-products .cat-hero__lead .display {
  margin: 0 0 20px;
  max-width: 20ch;
}

.page-products .cat-hero__lead .lede {
  margin: 0;
  max-width: 62ch;
}

.page-products .cat-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-500);
  border: 1px solid var(--line-500);
}

.page-products .cat-hero__stat {
  margin: 0;
  padding: 16px 18px;
  background: var(--ink-850);
}

.page-products .cat-hero__stat dt {
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--muted-450);
}

.page-products .cat-hero__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-products .cat-hero__stat dd .num {
  color: var(--cyan-400);
}

/* 功能矩阵 */
.page-products .cat-matrix {
  margin-top: 40px;
  border-top: 1px solid var(--line-500);
}

.page-products .cat-matrix__head {
  display: none;
}

.page-products .cat-matrix__row {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    ". scene"
    ". go";
  gap: 6px 14px;
  padding: 18px 0 18px 0;
  border-bottom: 1px solid var(--line-500);
  color: inherit;
  text-decoration: none;
  transition: background-color .16s var(--ease), padding-left .16s var(--ease);
}

.page-products .cat-matrix__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--cyan-400);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .2s var(--ease);
}

.page-products .cat-matrix__row:hover,
.page-products .cat-matrix__row:focus-visible {
  background: var(--ink-850);
  padding-left: 14px;
}

.page-products .cat-matrix__row:hover::before,
.page-products .cat-matrix__row:focus-visible::before {
  transform: scaleY(1);
}

.page-products .cat-matrix__row:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-products .cat-matrix__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange-500);
  padding-top: 4px;
}

.page-products .cat-matrix__name {
  grid-area: name;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper-050);
}

.page-products .cat-matrix__scene {
  grid-area: scene;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted-450);
  transition: color .16s var(--ease);
}

.page-products .cat-matrix__row:hover .cat-matrix__scene {
  color: var(--paper-050);
}

.page-products .cat-matrix__go {
  grid-area: go;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan-400);
}

/* ============ 筛选与卡片瀑布 ============ */
.page-products .cat-picker .section__head {
  margin-bottom: 32px;
}

.page-products .cat-picker .section__head .h2 {
  margin: 12px 0 14px;
}

.page-products .cat-picker .section__head .lede {
  margin: 0;
  max-width: 60ch;
}

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

.page-products .cat-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.page-products .cat-filter__bar .chip {
  cursor: pointer;
  padding: 8px 14px;
  border: 1px solid var(--line-500);
  background: transparent;
  color: var(--muted-450);
  font-size: 13px;
  letter-spacing: .04em;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-products .cat-filter__bar .chip:hover {
  color: var(--cyan-200);
  border-color: var(--cyan-400);
}

.page-products #cf-all:checked ~ .cat-filter__bar .chip[for="cf-all"],
.page-products #cf-data:checked ~ .cat-filter__bar .chip[for="cf-data"],
.page-products #cf-replay:checked ~ .cat-filter__bar .chip[for="cf-replay"],
.page-products #cf-history:checked ~ .cat-filter__bar .chip[for="cf-history"],
.page-products #cf-help:checked ~ .cat-filter__bar .chip[for="cf-help"] {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-950);
  font-weight: 700;
}

.page-products #cf-data:checked ~ .cat-deck .cat-card:not(.cat-card--data),
.page-products #cf-replay:checked ~ .cat-deck .cat-card:not(.cat-card--replay),
.page-products #cf-history:checked ~ .cat-deck .cat-card:not(.cat-card--history),
.page-products #cf-help:checked ~ .cat-deck .cat-card:not(.cat-card--help) {
  display: none;
}

.page-products .cat-deck {
  column-count: 1;
  column-gap: var(--cat-gap);
}

.page-products .cat-card {
  position: relative;
  break-inside: avoid;
  margin: 0 0 var(--cat-gap);
  padding: 22px 20px 20px;
  background: var(--ink-850);
  border: 1px solid var(--line-500);
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}

.page-products .cat-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 8px;
  height: 8px;
  background: var(--cyan-400);
}

.page-products .cat-card:hover {
  border-color: var(--cyan-400);
  transform: translateY(-2px);
}

.page-products .cat-card--tall {
  padding-bottom: 44px;
}

.page-products .cat-card__tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan-200);
}

.page-products .cat-card__title {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-050);
}

.page-products .cat-card__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted-450);
}

.page-products .cat-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--line-500);
  list-style: none;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted-450);
}

.page-products .cat-card__meta .num {
  font-family: var(--font-mono);
  color: var(--orange-500);
}

/* ============ 专区通用 ============ */
.page-products .cat-zone__head {
  margin-bottom: 36px;
}

.page-products .cat-zone__head .eyebrow {
  margin: 0 0 12px;
}

.page-products .cat-zone__head .h2 {
  margin: 0 0 14px;
  max-width: 24ch;
}

.page-products .cat-zone__head .lede {
  margin: 0;
  max-width: 62ch;
}

.page-products .cat-zone__figure {
  margin: 0 0 36px;
}

.page-products .cat-fig--16x9 { aspect-ratio: 16 / 9; }
.page-products .cat-fig--3x2  { aspect-ratio: 3 / 2; }
.page-products .cat-fig--7x3  { aspect-ratio: 7 / 3; }
.page-products .cat-fig--18x7 { aspect-ratio: 18 / 7; }

.page-products .cat-zone__split {
  display: grid;
  gap: 32px;
}

.page-products .cat-zone__main .h3 {
  margin: 0 0 18px;
}

.page-products .cat-zone__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted-450);
}

/* 指标列表 */
.page-products .cat-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-500);
  border: 1px solid var(--line-500);
}

.page-products .cat-metrics__item {
  padding: 12px 14px;
  background: var(--ink-850);
  font-size: 14px;
  color: var(--paper-050);
}

/* 折叠面板 */
.page-products .cat-details {
  border: 1px solid var(--line-500);
  background: var(--ink-850);
  margin-bottom: 12px;
}

.page-products .cat-details .details__summary {
  padding: 16px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper-050);
  list-style: none;
  position: relative;
  transition: color .16s var(--ease);
}

.page-products .cat-details .details__summary::-webkit-details-marker {
  display: none;
}

.page-products .cat-details .details__summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--orange-500);
}

.page-products .cat-details[open] .details__summary::after {
  content: "−";
  color: var(--cyan-400);
}

.page-products .cat-details .details__summary:hover {
  color: var(--cyan-200);
}

.page-products .cat-details .details__body {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted-450);
}

.page-products .cat-details .details__body p {
  margin: 0;
}

/* 步骤链 */
.page-products .cat-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-500);
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-050);
}

.page-products .cat-steps__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-steps__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange-500);
  padding-top: 3px;
}

/* ============ 使用记录两条线索 ============ */
.page-products .cat-lanes {
  display: grid;
  gap: 12px;
}

.page-products .cat-lane {
  padding: 18px 18px 16px;
  background: var(--ink-750);
  border-left: 2px solid var(--cyan-400);
}

.page-products .cat-lane__label {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper-050);
}

.page-products .cat-lane__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-450);
}

/* ============ 帮助中心 ============ */
.page-products .cat-help__grid {
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
  margin-bottom: 36px;
}

.page-products .cat-help__col {
  padding: 22px 20px;
  background: var(--ink-850);
}

.page-products .cat-help__col .h3 {
  margin: 0 0 12px;
}

.page-products .cat-help__col .cat-zone__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

/* ============ 版本演进 ============ */
.page-products .cat-versions__figure {
  margin: 0 0 32px;
  opacity: .85;
}

.page-products .cat-versions__scroll {
  overflow-x: auto;
  border: 1px solid var(--line-500);
  background: var(--ink-850);
}

.page-products .cat-versions__table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .cat-versions__caption {
  padding: 14px 18px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted-450);
  border-bottom: 1px solid var(--line-500);
}

.page-products .cat-versions__table thead th {
  padding: 12px 18px;
  text-align: left;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--cyan-200);
  background: var(--ink-650);
  border-bottom: 1px solid var(--line-500);
  white-space: nowrap;
}

.page-products .cat-versions__table tbody td {
  padding: 14px 18px;
  line-height: 1.7;
  color: var(--paper-050);
  border-bottom: 1px solid var(--line-500);
  vertical-align: top;
}

.page-products .cat-versions__table tbody tr:nth-child(even) td {
  background: var(--ink-750);
}

.page-products .cat-versions__table tbody tr:hover td {
  background: var(--ink-650);
}

.page-products .cat-versions__table tbody td .mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--cyan-200);
}

.page-products .cat-versions__row--current td {
  background: rgba(179, 36, 60, .18);
}

.page-products .cat-versions__table tbody tr.cat-versions__row--current:hover td {
  background: rgba(179, 36, 60, .26);
}

.page-products .cat-versions__row--current td:first-child {
  box-shadow: inset 3px 0 0 var(--red-600);
}

.page-products .cat-versions__row--current td .mono {
  color: var(--red-600);
  font-weight: 700;
}

/* ============ 收尾 ============ */
.page-products .cat-next .section__head {
  margin-bottom: 32px;
}

.page-products .cat-next .section__head .h2 {
  margin: 12px 0 0;
}

.page-products .cat-next__grid {
  display: grid;
  gap: 1px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
}

.page-products .cat-next__item {
  display: block;
  padding: 26px 22px;
  background: var(--ink-850);
  text-decoration: none;
  color: inherit;
  transition: background-color .16s var(--ease);
}

.page-products .cat-next__item:hover,
.page-products .cat-next__item:focus-visible {
  background: var(--ink-750);
}

.page-products .cat-next__item:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-products .cat-next__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange-500);
  margin-bottom: 12px;
}

.page-products .cat-next__title {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--paper-050);
  margin-bottom: 10px;
}

.page-products .cat-next__text {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-450);
}

.page-products .cat-next__item:hover .cat-next__title {
  color: var(--cyan-200);
}

.page-products .cat-next__tail {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted-450);
}

.page-products .cat-next__inline {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-500);
  transition: border-color .16s var(--ease);
}

.page-products .cat-next__inline:hover,
.page-products .cat-next__inline:focus-visible {
  border-color: var(--cyan-400);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-products .cat-deck {
    column-count: 2;
  }

  .page-products .cat-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  .page-products .cat-lanes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .cat-hero__top {
    grid-template-columns: minmax(0, 1fr) 420px;
    align-items: end;
    gap: 48px;
  }

  .page-products .cat-matrix__head {
    display: grid;
    grid-template-columns: 44px 190px minmax(0, 1fr) 100px;
    gap: 24px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line-500);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .22em;
    color: var(--muted-450);
  }

  .page-products .cat-matrix__row {
    grid-template-columns: 44px 190px minmax(0, 1fr) 100px;
    grid-template-areas: none;
    align-items: center;
    gap: 24px;
    padding: 20px 0;
  }

  .page-products .cat-matrix__idx,
  .page-products .cat-matrix__name,
  .page-products .cat-matrix__scene,
  .page-products .cat-matrix__go {
    grid-area: auto;
    padding-top: 0;
  }

  .page-products .cat-matrix__row:hover,
  .page-products .cat-matrix__row:focus-visible {
    padding-left: 20px;
  }

  .page-products .cat-zone__split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }

  .page-products .cat-zone__split--media-first {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .cat-zone__split--media-last {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .cat-zone__figure {
    margin-bottom: 44px;
  }

  .page-products .cat-zone__split .cat-zone__figure {
    margin-bottom: 0;
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1100px) {
  .page-products .cat-deck {
    column-count: 3;
  }

  .page-products .cat-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-matrix__row,
  .page-products .cat-card,
  .page-products .cat-next__item,
  .page-products .cat-filter__bar .chip {
    transition: none;
  }

  .page-products .cat-card:hover {
    transform: none;
  }
}
<<<END>>>