.page-products {
  --cat-gap: clamp(28px, 5vw, 64px);
  --cat-lift: 0 18px 44px rgba(4, 10, 18, .55);
  padding-bottom: clamp(40px, 7vw, 88px);
}

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

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding-top: clamp(16px, 3vw, 28px);
  font-size: 13px;
  color: var(--faint);
}

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

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

.page-products .cat-kw {
  color: var(--acid);
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  padding-top: clamp(20px, 4vw, 44px);
}

.page-products .cat-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .cat-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 7vw, 74px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-products .cat-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.page-products .cat-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--muted);
}

.page-products .cat-hero__actions {
  margin-top: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cat-hero__side {
  display: grid;
  gap: 16px;
}

.page-products .cat-slip {
  padding: 20px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--cyan-line);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(122, 92, 255, .22), transparent 60%),
    var(--ink-800);
  box-shadow: var(--cat-lift);
}

.page-products .cat-slip__label {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--faint);
}

.page-products .cat-slip__val {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 19px);
  color: var(--acid);
  letter-spacing: .01em;
}

.page-products .cat-slip__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .cat-jump {
  display: grid;
  gap: 8px;
}

.page-products .cat-jump__link {
  display: block;
  padding: 12px 16px;
  border-radius: var(--pill);
  border: 1px solid var(--line-soft);
  background: rgba(12, 22, 32, .7);
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}

.page-products .cat-jump__link:hover,
.page-products .cat-jump__link:focus-visible {
  color: var(--mist);
  border-color: var(--cyan);
  transform: translateX(4px);
}

/* ---------- 目录树 ---------- */
.page-products .cat-tree__body {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-products .cat-tree__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
  display: grid;
  gap: 14px;
}

.page-products .cat-tree__list::before {
  content: "";
  position: absolute;
  top: 12px;
  bottom: 12px;
  left: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(122, 92, 255, .5), transparent);
}

.page-products .cat-node {
  position: relative;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(120deg, rgba(12, 22, 32, .95), rgba(7, 11, 18, .8));
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-products .cat-node::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(20, 224, 208, .12);
}

.page-products .cat-node:hover {
  border-color: var(--cyan-line);
  transform: translateX(3px);
}

.page-products .cat-node__idx {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--faint);
}

.page-products .cat-node__body h3 {
  margin: 6px 0 6px;
  font-size: 18px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-products .cat-node__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .cat-node__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  padding-bottom: 2px;
}

.page-products .cat-node__link:hover,
.page-products .cat-node__link:focus-visible {
  color: var(--acid);
  border-color: var(--acid);
}

.page-products .cat-tree__figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-products .cat-tree__figure img {
  width: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

/* ---------- 四步 ---------- */
.page-products .cat-steps__figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-products .cat-steps__figure img {
  width: 100%;
  object-fit: cover;
  filter: saturate(.8) contrast(1.06);
}

.page-products .cat-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: catstep;
}

.page-products .cat-step {
  position: relative;
  padding: 20px 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background:
    linear-gradient(160deg, rgba(20, 224, 208, .07), transparent 55%),
    var(--ink-800);
  transition: border-color .25s var(--ease);
}

.page-products .cat-step:hover {
  border-color: var(--cyan-line);
}

.page-products .cat-step::after {
  content: "";
  position: absolute;
  left: 28px;
  bottom: -14px;
  width: 1px;
  height: 14px;
  background: var(--cyan-line);
}

.page-products .cat-step:last-child::after {
  display: none;
}

.page-products .cat-step__idx {
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-products .cat-step__title {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: .03em;
  color: var(--mist);
}

.page-products .cat-step__fields {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .cat-step__fields li {
  padding: 5px 11px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  background: rgba(7, 11, 18, .6);
}

.page-products .cat-step__tip {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--faint);
}

.page-products .cat-idbar {
  margin-top: clamp(20px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-radius: var(--r-lg);
  border: 1px dashed var(--cyan-line);
  background: rgba(12, 22, 32, .75);
}

.page-products .cat-idbar__label {
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--faint);
}

.page-products .cat-idbar__text p {
  margin: 8px 0 0;
  font-size: clamp(16px, 2.2vw, 21px);
  letter-spacing: .04em;
}

/* ---------- 版本对比 ---------- */
.page-products .cat-version__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .cat-cols {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .cat-col {
  padding: 14px 0 14px 18px;
  border-left: 2px solid var(--line);
  transition: border-color .25s var(--ease);
}

.page-products .cat-col:hover {
  border-left-color: var(--acid);
}

.page-products .cat-col h3 {
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-products .cat-col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .cat-version__figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}

.page-products .cat-version__figure img {
  width: 100%;
  object-fit: cover;
  filter: saturate(.75) contrast(1.08);
}

.page-products .cat-tabs {
  margin-top: clamp(26px, 4vw, 44px);
}

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

.page-products .cat-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .cat-tabs__tab {
  padding: 9px 18px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(12, 22, 32, .8);
  color: var(--muted);
  font-size: 13.5px;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-products .cat-tabs__tab:hover {
  color: var(--mist);
  border-color: var(--cyan-line);
}

.page-products #ver-a:checked ~ .cat-tabs__bar .cat-tabs__tab[for="ver-a"],
.page-products #ver-b:checked ~ .cat-tabs__bar .cat-tabs__tab[for="ver-b"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 600;
  box-shadow: 0 0 22px rgba(20, 224, 208, .32);
}

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

.page-products #ver-a:checked ~ .cat-tabs__panel[data-panel="a"],
.page-products #ver-b:checked ~ .cat-tabs__panel[data-panel="b"] {
  display: block;
}

.page-products .cat-table__scroll {
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(12, 22, 32, .7);
  -webkit-overflow-scrolling: touch;
}

.page-products .cat-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .cat-table caption {
  padding: 14px 16px 4px;
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--faint);
}

.page-products .cat-table th,
.page-products .cat-table td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  color: var(--muted);
}

.page-products .cat-table th {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
  font-weight: 600;
  background: rgba(20, 224, 208, .06);
}

.page-products .cat-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .cat-table td.mono {
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------- 档案字段 ---------- */
.page-products .cat-fields__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .cat-fields__figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}

.page-products .cat-fields__figure img {
  width: 100%;
  object-fit: cover;
  filter: saturate(.8) contrast(1.05);
}

.page-products .cat-chiprow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .cat-acc {
  display: grid;
  gap: 10px;
}

.page-products .cat-acc__item {
  border-radius: var(--r-sm);
  border: 1px solid var(--line-soft);
  background: rgba(12, 22, 32, .72);
  padding: 4px 16px;
}

.page-products .cat-acc__item summary {
  cursor: pointer;
  padding: 12px 0;
  font-size: 15px;
  color: var(--mist);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.page-products .cat-acc__item summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 16px;
}

.page-products .cat-acc__item[open] summary::after {
  content: "−";
  color: var(--acid);
}

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

.page-products .cat-filter {
  margin-top: clamp(28px, 4vw, 48px);
}

.page-products .cat-filter__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .cat-filter__label {
  font-size: 13px;
  color: var(--faint);
  letter-spacing: .08em;
  margin-right: 4px;
}

.page-products .cat-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .cat-card {
  padding: 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(170deg, rgba(16, 30, 43, .95), rgba(7, 11, 18, .85));
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-products .cat-card:hover {
  border-color: var(--cyan-line);
  transform: translateY(-3px);
}

.page-products .cat-card__id {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--faint);
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(20, 224, 208, .08);
}

.page-products .cat-card h3 {
  margin: 10px 0 6px;
  font-size: 16.5px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-products .cat-card p {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-products .cat-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.page-products .cat-card__tags .chip {
  font-size: 11.5px;
}

/* ---------- 回放索引 ---------- */
.page-products .cat-replay__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .cat-stages {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-products .cat-stage {
  padding: 16px 18px;
  border-radius: var(--r-md);
  border-left: 3px solid var(--violet);
  background: rgba(12, 22, 32, .78);
}

.page-products .cat-stage__no {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--faint);
}

.page-products .cat-stage h3 {
  margin: 6px 0 6px;
  font-size: 17px;
  color: var(--mist);
  letter-spacing: .02em;
}

.page-products .cat-stage p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-products .cat-rp {
  padding: 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-soft);
  background: rgba(7, 11, 18, .8);
  transition: border-color .25s var(--ease);
}

.page-products .cat-rp:hover {
  border-color: var(--cyan-line);
}

.page-products .cat-rp__stage {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .1em;
  padding: 2px 8px;
  border-radius: var(--pill);
  color: var(--acid);
  background: rgba(184, 255, 61, .1);
}

.page-products .cat-rp__map {
  margin: 9px 0 6px;
  font-size: 14px;
  color: var(--mist);
}

.page-products .cat-rp__meta {
  margin: 0;
  font-size: 11.5px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

.page-products .cat-replay__figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
}

.page-products .cat-replay__figure img {
  width: 100%;
  object-fit: cover;
  filter: saturate(.7) contrast(1.08);
}

/* ---------- 使用场景 ---------- */
.page-products .cat-aud-list {
  list-style: none;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .cat-aud {
  position: relative;
  padding: 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background:
    radial-gradient(140% 120% at 0% 0%, rgba(122, 92, 255, .16), transparent 62%),
    rgba(12, 22, 32, .8);
}

.page-products .cat-aud__no {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-products .cat-aud h3 {
  margin: 8px 0 8px;
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--mist);
}

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

/* ---------- 延伸入口 ---------- */
.page-products .cat-next {
  margin-top: clamp(36px, 6vw, 76px);
}

.page-products .cat-next__inner {
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--r-xl);
  border: 1px solid var(--cyan-line);
  background:
    linear-gradient(120deg, rgba(20, 224, 208, .1), rgba(122, 92, 255, .14) 60%, transparent),
    var(--ink-800);
}

.page-products .cat-next__lead {
  max-width: 58ch;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .cat-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .cat-next__card {
  display: block;
  padding: 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(7, 11, 18, .78);
  text-decoration: none;
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}

.page-products .cat-next__card:hover,
.page-products .cat-next__card:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
  background: rgba(16, 30, 43, .9);
}

.page-products .cat-next__tag {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .cat-next__card h3 {
  margin: 9px 0 6px;
  font-size: 16px;
  color: var(--mist);
  letter-spacing: .02em;
}

.page-products .cat-next__card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products a:focus-visible,
.page-products button:focus-visible,
.page-products summary:focus-visible,
.page-products label:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .cat-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .cat-steps__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .cat-step::after {
    display: none;
  }

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

@media (min-width: 960px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: end;
  }

  .page-products .cat-hero__side {
    padding-bottom: 6px;
  }

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

  .page-products .cat-tree__list {
    padding-left: 34px;
  }

  .page-products .cat-node:nth-child(2) {
    margin-left: 5%;
  }

  .page-products .cat-node:nth-child(3) {
    margin-left: 10%;
  }

  .page-products .cat-node:nth-child(4) {
    margin-left: 15%;
  }

  .page-products .cat-tree__figure {
    position: sticky;
    top: 96px;
  }

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

  .page-products .cat-step:nth-child(2) {
    margin-top: 14px;
  }

  .page-products .cat-step:nth-child(3) {
    margin-top: 28px;
  }

  .page-products .cat-step:nth-child(4) {
    margin-top: 42px;
  }

  .page-products .cat-version__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(32px, 5vw, 60px);
  }

  .page-products .cat-fields__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 60px);
  }

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

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

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

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

  .page-products .cat-aud:nth-child(even) {
    transform: translateY(18px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .page-products .cat-aud:nth-child(even) {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>