.page-products {
  --cat-hair: rgba(245, 200, 107, .18);
  --cat-cool: rgba(111, 211, 232, .2);
  background: var(--ink);
  color: var(--text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(18px, 3vw, 36px);
  padding-bottom: clamp(30px, 5vw, 60px);
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -34% -18% 6% -18%;
  background:
    linear-gradient(114deg,
      transparent 30%,
      rgba(245, 200, 107, .11) 43%,
      rgba(111, 211, 232, .07) 52%,
      transparent 65%);
  pointer-events: none;
}

.page-products .cat-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(18px, 3vw, 34px);
}

.page-products .cat-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(1.85rem, 5.2vw, 4rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-products .cat-hero__text {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--muted);
  line-height: 1.78;
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .cat-hero__facts {
  border-top: 1px solid var(--cat-hair);
  padding-top: 20px;
}

.page-products .cat-facts {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-facts__item {
  display: grid;
  gap: 3px;
}

.page-products .cat-facts__num {
  font-family: var(--font-mono);
  font-size: 1.06rem;
  letter-spacing: .02em;
  color: var(--glow);
}

.page-products .cat-facts__label {
  font-size: .86rem;
  line-height: 1.62;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .82fr);
    align-items: end;
  }
  .page-products .cat-hero__facts {
    border-top: 0;
    border-left: 1px solid var(--cat-hair);
    padding-top: 0;
    padding-left: clamp(18px, 2.5vw, 30px);
  }
}

/* ---------- 板块索引条 ---------- */
.page-products .cat-index {
  position: relative;
  border-top: 1px solid var(--line-gold);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(100deg, rgba(12, 19, 38, .95), rgba(5, 7, 15, .55));
}

.page-products .cat-index::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 32%;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.page-products .cat-index__track {
  display: flex;
  gap: 6px;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 12px var(--gutter);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .cat-index__item {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  font-size: .84rem;
  white-space: nowrap;
  transition: border-color .22s var(--ease), background .22s var(--ease), color .22s var(--ease);
}

.page-products .cat-index__item:hover,
.page-products .cat-index__item:focus-visible {
  border-color: var(--gold);
  background: rgba(245, 200, 107, .08);
  color: var(--glow);
}

.page-products .cat-index__no {
  font-size: .72rem;
  color: var(--gold);
}

/* ---------- 两栏骨架 ---------- */
.page-products .cat-layout {
  display: grid;
  gap: clamp(18px, 3vw, 40px);
  padding-block: clamp(26px, 4vw, 56px);
}

.page-products .cat-toc {
  border-top: 1px solid var(--line-gold);
  padding-top: 12px;
}

.page-products .cat-toc__title {
  margin: 0 0 10px;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .cat-toc__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0 0 4px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-products .cat-toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
  white-space: nowrap;
  transition: color .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
}

.page-products .cat-toc__link .mono {
  font-size: .72rem;
  color: var(--gold);
}

.page-products .cat-toc__link:hover,
.page-products .cat-toc__link:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, .04);
  border-left-color: var(--gold);
}

@media (min-width: 1000px) {
  .page-products .cat-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: start;
  }
  .page-products .cat-toc {
    position: sticky;
    top: 96px;
  }
  .page-products .cat-toc__list {
    display: grid;
    gap: 2px;
    overflow: visible;
  }
}

/* ---------- 区块通用 ---------- */
.page-products .cat-section {
  scroll-margin-top: 96px;
}

.page-products .cat-section + .cat-section {
  margin-top: clamp(38px, 6vw, 72px);
  padding-top: clamp(34px, 5vw, 62px);
  border-top: 1px solid var(--line-soft);
}

.page-products .cat-section__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .cat-section__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .cat-section__intro {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.8;
}

.page-products .cat-note {
  margin: clamp(16px, 2.5vw, 22px) 0 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .cat-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 211, 232, .35);
}

.page-products .cat-note a:hover {
  color: var(--glow);
  border-bottom-color: var(--gold);
}

/* ---------- 总览列表 ---------- */
.page-products .cat-listing {
  margin: 0 0 clamp(24px, 4vw, 38px);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .cat-listing__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 16px;
  align-items: baseline;
  padding: 18px 12px 18px 16px;
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: background .26s var(--ease), border-color .26s var(--ease), padding-left .26s var(--ease);
}

.page-products .cat-listing__row:hover {
  padding-left: 20px;
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(245, 200, 107, .08), transparent 62%);
}

.page-products .cat-listing__no {
  font-size: .8rem;
  color: var(--gold);
}

.page-products .cat-listing__title {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -.01em;
}

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

.page-products .cat-listing__row:hover .cat-listing__title a {
  color: var(--gold);
}

.page-products .cat-listing__desc {
  margin: 5px 0 0;
  font-size: .9rem;
  line-height: 1.66;
  color: var(--muted);
}

.page-products .cat-listing__meta {
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .02em;
  color: var(--cyan);
}

@media (min-width: 780px) {
  .page-products .cat-listing__row {
    grid-template-columns: 52px minmax(0, 1fr) auto;
    align-items: center;
  }
  .page-products .cat-listing__meta {
    grid-column: auto;
    justify-self: end;
  }
}

/* ---------- 图片 ---------- */
.page-products .cat-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

.page-products .cat-figure--flush {
  margin: 0;
}

.page-products .cat-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
  background: linear-gradient(140deg, var(--panel), var(--ink));
}

.page-products .cat-figure .media-frame__caption {
  margin-top: 10px;
  font-size: .8rem;
  color: var(--muted);
}

/* ---------- 四要素网格 ---------- */
.page-products .cat-parts {
  display: grid;
  gap: 1px;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .cat-parts__item {
  padding: 18px 20px;
  background: var(--night);
}

.page-products .cat-parts__no {
  display: block;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--gold);
  margin-bottom: 6px;
}

.page-products .cat-parts__title {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--text);
}

.page-products .cat-parts__item p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 680px) {
  .page-products .cat-parts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 折叠面板 ---------- */
.page-products .cat-folds {
  display: grid;
  gap: 10px;
  margin-top: clamp(16px, 2.5vw, 24px);
}

.page-products .cat-fold__title {
  margin: 0;
  font-size: 1rem;
}

.page-products .cat-folds .fold {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(158deg, rgba(22, 32, 58, .92), rgba(12, 19, 38, .72));
  overflow: hidden;
  transition: border-color .24s var(--ease);
}

.page-products .cat-folds .fold:hover {
  border-color: rgba(245, 200, 107, .3);
}

.page-products .cat-folds .fold__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 15px 18px;
  border: 0;
  background: none;
  color: var(--text);
  font: inherit;
  font-size: .95rem;
  text-align: left;
  cursor: pointer;
  transition: background .22s var(--ease), color .22s var(--ease);
}

.page-products .cat-folds .fold__head:hover {
  background: rgba(245, 200, 107, .06);
  color: var(--glow);
}

.page-products .cat-fold__label {
  min-width: 0;
}

.page-products .cat-fold__id {
  flex: none;
  font-size: .76rem;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-products .cat-folds .fold__body {
  padding: 2px 18px 18px;
}

.page-products .cat-entry {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-products .cat-entry__row {
  display: grid;
  gap: 2px;
}

.page-products .cat-entry dt {
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-products .cat-entry dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--text);
}

@media (min-width: 560px) {
  .page-products .cat-entry__row {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

/* ---------- 复制按钮 ---------- */
.page-products .copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 9px 14px;
  border: 1px solid var(--line-gold);
  border-radius: 999px;
  background: rgba(245, 200, 107, .06);
  color: var(--text);
  font: inherit;
  font-size: .78rem;
  cursor: pointer;
  transition: background .22s var(--ease), border-color .22s var(--ease);
}

.page-products .copy:hover {
  background: rgba(245, 200, 107, .14);
  border-color: var(--gold);
}

.page-products .copy__label {
  color: var(--muted);
}

.page-products .copy__value {
  color: var(--glow);
  letter-spacing: .02em;
}

.page-products .copy__hint {
  font-size: .72rem;
  color: var(--muted);
}

.page-products .copy[data-copied] .copy__hint {
  color: var(--gold);
}

/* ---------- 设备对照区 ---------- */
.page-products .cat-split {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-products .cat-split--device {
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-products .cat-axis {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .cat-axis__item {
  padding: 16px 18px;
  background: var(--panel);
}

.page-products .cat-axis__no {
  display: block;
  font-size: .7rem;
  letter-spacing: .18em;
  color: var(--cyan);
  margin-bottom: 5px;
}

.page-products .cat-axis__item h3 {
  margin: 0 0 6px;
  font-size: .98rem;
  color: var(--text);
}

.page-products .cat-axis__item p {
  margin: 0;
  font-size: .87rem;
  line-height: 1.7;
  color: var(--muted);
}

@media (min-width: 860px) {
  .page-products .cat-split--device {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }
}

/* ---------- 表格 ---------- */
.page-products .cat-table-wrap {
  overflow-x: auto;
  scrollbar-width: thin;
  margin-top: 4px;
}

.page-products .cat-table {
  width: 100%;
  min-width: 440px;
  border-collapse: collapse;
  font-size: .87rem;
}

.page-products .cat-table th {
  padding: 10px 12px;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-align: left;
  white-space: nowrap;
  color: var(--muted);
  border-bottom: 1px solid var(--line-gold);
}

.page-products .cat-table td {
  padding: 10px 12px;
  color: var(--text);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .cat-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, .032);
}

.page-products .cat-table tbody tr:hover td:first-child {
  box-shadow: inset 2px 0 0 var(--gold);
}

.page-products .cat-table td.mono {
  color: var(--glow);
  letter-spacing: .02em;
}

.page-products .cat-table .cat-table__diff {
  color: var(--alert);
}

/* ---------- 入口导航两类地址 ---------- */
.page-products .cat-addr {
  padding: 20px 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-products .cat-addr--backup {
  border-color: rgba(111, 211, 232, .28);
  background: linear-gradient(160deg, rgba(22, 32, 58, .95), rgba(12, 19, 38, .85));
}

.page-products .cat-addr__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding-bottom: 3px;
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--gold);
  border-bottom: 1px solid var(--line-gold);
}

.page-products .cat-addr--backup .cat-addr__tag {
  color: var(--cyan);
  border-bottom-color: var(--line-cool);
}

.page-products .cat-addr h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  color: var(--text);
}

.page-products .cat-addr p {
  margin: 0;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-products .cat-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .cat-split .cat-addr:first-child {
    padding-bottom: 34px;
  }
}

/* ---------- 文件列表 ---------- */
.page-products .cat-files {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .cat-files__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 2px;
  font-size: .9rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .cat-files__name {
  color: var(--text);
  min-width: 0;
}

.page-products .cat-files__fmt {
  flex: none;
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ---------- 四步流程 ---------- */
.page-products .cat-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-step {
  position: relative;
  margin-left: 9px;
  padding: 0 0 26px 30px;
  border-left: 1px solid var(--line-gold);
}

.page-products .cat-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .cat-step::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 4px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(245, 200, 107, .16);
}

.page-products .cat-step__no {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-products .cat-step__title {
  margin: 5px 0 6px;
  font-size: 1.02rem;
  color: var(--text);
}

.page-products .cat-step__desc {
  margin: 0;
  font-size: .88rem;
  line-height: 1.74;
  color: var(--muted);
  max-width: 46ch;
}

@media (min-width: 900px) {
  .page-products .cat-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .cat-step {
    margin-left: 0;
    padding: 26px 18px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line-gold);
  }
  .page-products .cat-step:last-child {
    border-top-color: var(--line-gold);
  }
  .page-products .cat-step::before {
    left: 0;
    top: -6px;
  }
  .page-products .cat-step__desc {
    max-width: none;
  }
}

/* ---------- 常见误区 ---------- */
.page-products .cat-mistakes {
  display: grid;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-products .cat-mistake {
  display: grid;
  gap: 7px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 138, 91, .24);
  border-radius: var(--r-md);
  background: rgba(255, 138, 91, .06);
}

.page-products .cat-mistake__wrong {
  margin: 0;
  font-size: .87rem;
  line-height: 1.68;
  color: var(--alert);
}

.page-products .cat-mistake__right {
  margin: 0;
  font-size: .89rem;
  line-height: 1.7;
  color: var(--text);
}

@media (min-width: 760px) {
  .page-products .cat-mistakes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 收尾 ---------- */
.page-products .cat-cta {
  display: grid;
  gap: 16px;
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line-gold);
  border-radius: var(--r-lg);
  background:
    linear-gradient(136deg,
      rgba(30, 95, 191, .2),
      rgba(5, 7, 15, .45) 56%,
      rgba(245, 200, 107, .09));
}

.page-products .cat-cta h2 {
  margin: 0;
  color: var(--text);
}

.page-products .cat-cta p {
  margin: 0;
  max-width: 66ch;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .cat-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-listing__row,
  .page-products .cat-index__item,
  .page-products .cat-toc__link,
  .page-products .cat-folds .fold,
  .page-products .cat-folds .fold__head,
  .page-products .copy {
    transition: none;
  }
}
<<<END>>>

严格执行以下标记顺序，每个标记必须独占一行且只出现一次：

从 <main id="main-content" class="page-products"> 开始，到 </main> 结束

当前页面专属 CSS，页面专属选择器全部限定在 .page-products 作用域内