.page-products {
  --pd-section-gap: clamp(36px, 6vw, 64px);
  display: block;
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .pd-shell {
  padding-top: 4px;
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 22px;
  font-size: 13px;
  color: var(--ink-soft);
}

.page-products .pd-crumb .breadcrumb__item {
  color: var(--ink-soft);
}

.page-products .pd-crumb a.breadcrumb__item {
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pd-crumb a.breadcrumb__item:hover,
.page-products .pd-crumb a.breadcrumb__item:focus-visible {
  color: var(--sig-deep);
  border-color: var(--sig);
}

.page-products .pd-crumb .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding: 28px 0 32px;
  border-top: 3px solid var(--night);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: 18px;
  width: 180px;
  height: 180px;
  background:
    radial-gradient(circle, rgba(200, 161, 90, .35) 1.5px, transparent 1.6px) 0 0 / 14px 14px;
  opacity: .7;
  pointer-events: none;
}

.page-products .pd-hero__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--sig-deep);
  font-weight: 700;
}

.page-products .pd-hero__title {
  margin: 0;
  font-size: clamp(27px, 6vw, 50px);
  line-height: 1.16;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--night);
  max-width: 19ch;
}

.page-products .pd-hero__lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 44ch;
}

.page-products .pd-hero__meta {
  list-style: none;
  margin: 4px 0 0;
  padding: 0 0 0 14px;
  display: grid;
  gap: 0;
  border-left: 2px solid var(--line);
}

.page-products .pd-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}

.page-products .pd-hero__meta li:last-child {
  border-bottom: none;
}

.page-products .pd-hero__meta .mono {
  color: var(--night);
  font-weight: 700;
  letter-spacing: .03em;
}

/* ---------- 布局：正文 + 吸附目录 ---------- */
.page-products .pd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 36px;
}

.page-products .pd-aside {
  min-width: 0;
}

.page-products .pd-toc {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 12px 12px 14px;
}

.page-products .pd-toc__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-soft);
}

.page-products .pd-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pd-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-products .pd-toc__link:hover,
.page-products .pd-toc__link:focus-visible {
  border-color: var(--sig);
  color: var(--sig-deep);
}

.page-products .pd-toc__idx {
  font-size: 11px;
  color: var(--gold);
  font-weight: 700;
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-section {
  padding: var(--pd-section-gap) 0 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 92px;
}

.page-products .pd-section:first-child {
  border-top: none;
  padding-top: 8px;
}

.page-products .pd-section--narrow {
  max-width: 640px;
}

.page-products .pd-section__head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 24px;
}

.page-products .pd-section__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--sig-deep);
  font-size: 12px;
  font-weight: 700;
}

.page-products .pd-section__title {
  margin: 0;
  font-size: clamp(20px, 3.4vw, 29px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--night);
  font-weight: 800;
  max-width: 24ch;
}

.page-products .pd-section__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 46ch;
}

/* ---------- 资料清单 ---------- */
.page-products .pd-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pd-filter .tag-filter__btn {
  font: inherit;
  font-size: 13px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink-soft);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pd-filter .tag-filter__btn:hover {
  border-color: var(--sig);
  color: var(--sig-deep);
}

.page-products .pd-filter .tag-filter__btn[aria-pressed="true"] {
  background: var(--night);
  border-color: var(--night);
  color: var(--paper);
}

.page-products [data-filter-item][hidden] {
  display: none !important;
}

.page-products .pd-doc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-products .pd-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-1);
}

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

.page-products .pd-table thead th {
  text-align: left;
  padding: 11px 14px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  font-weight: 700;
  color: var(--ink-soft);
  white-space: nowrap;
}

.page-products .pd-table tbody td {
  padding: 14px;
  border-bottom: 1px dashed var(--line);
  vertical-align: top;
  line-height: 1.75;
  color: var(--ink);
  transition: background .22s var(--ease), color .22s var(--ease);
}

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

.page-products .pd-table tbody tr:nth-child(even) td {
  background: var(--paper-2);
}

.page-products .pd-table tbody tr:hover td {
  background: var(--night-2);
  color: var(--paper);
}

.page-products .pd-table tbody tr:hover .pd-table__no {
  color: var(--gold);
}

.page-products .pd-table__no {
  font-size: 12px;
  font-weight: 700;
  color: var(--sig-deep);
  white-space: nowrap;
}

.page-products .pd-doc-grid__figure {
  margin: 0;
}

/* ---------- 资料下载 ---------- */
.page-products .pd-download {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-products .pd-steps__item {
  position: relative;
  padding-left: 46px;
}

.page-products .pd-steps__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 36px;
  bottom: -20px;
  width: 1px;
  background: var(--sig);
  opacity: .5;
}

.page-products .pd-steps__dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--sig);
  color: var(--night);
  font-size: 13px;
  font-weight: 700;
}

.page-products .pd-steps__title {
  margin: 4px 0 6px;
  font-size: 17px;
  color: var(--night);
  font-weight: 700;
}

.page-products .pd-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 42ch;
}

.page-products .pd-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-soft);
}

.page-products .pd-facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
}

.page-products .pd-facts .mono {
  color: var(--night);
  font-weight: 700;
  letter-spacing: .03em;
}

.page-products .pd-glassstack {
  position: relative;
  padding: 22px 16px 6px 0;
}

.page-products .pd-glassstack__layer {
  position: absolute;
  inset: 0 24px 22px 0;
  background: rgba(27, 58, 92, .18);
  border: 1px solid var(--line);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  transform: translate(16px, -14px);
}

.page-products .pd-glassstack__card {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-2);
}

.page-products .pd-glassstack__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-soft);
}

.page-products .pd-glassstack__ver {
  margin: 8px 0 10px;
  font-size: clamp(30px, 6vw, 42px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--night);
  line-height: 1;
}

.page-products .pd-glassstack__note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-glassstack__copy {
  font: inherit;
  font-size: 13px;
  padding: 8px 16px;
  border: 1px solid var(--sig);
  background: var(--sig-soft);
  color: var(--night);
  cursor: pointer;
  transition: background .2s var(--ease), transform .2s var(--ease);
}

.page-products .pd-glassstack__copy:hover,
.page-products .pd-glassstack__copy:focus-visible {
  background: var(--sig);
}

/* ---------- 小屏注册 ---------- */
.page-products .pd-register {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-products .pd-register__figure {
  margin: 0;
}

.page-products .pd-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-flow__item {
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .pd-flow__title {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--night);
  font-weight: 700;
}

.page-products .pd-flow__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 42ch;
}

.page-products .pd-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--paper-2);
  border-left: 3px solid var(--ok);
}

.page-products .pd-note .status-dot {
  margin-top: 6px;
  flex: none;
}

.page-products .pd-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-register__flow {
  margin: 30px 0 0;
}

/* ---------- 订阅板块 ---------- */
.page-products .pd-sub {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-products .pd-sub__h {
  margin: 0 0 14px;
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--night);
  font-weight: 700;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--night);
}

.page-products .pd-sub__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-sub__item {
  position: relative;
  padding: 14px 16px 14px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--sig);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-products .pd-sub__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-1);
}

.page-products .pd-sub__no {
  display: block;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--sig-deep);
  font-weight: 700;
}

.page-products .pd-sub__name {
  margin: 6px 0 6px;
  font-size: 16px;
  color: var(--night);
  font-weight: 700;
}

.page-products .pd-sub__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-rhythm {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pd-rhythm__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-products .pd-rhythm__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--night);
}

.page-products .pd-rhythm__tag {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-soft);
}

.page-products .pd-rhythm__bar {
  height: 10px;
}

.page-products .pd-rhythm__bar--w1 {
  width: 100%;
  background: var(--sig);
}

.page-products .pd-rhythm__bar--w2 {
  width: 62%;
  background: var(--gold);
}

.page-products .pd-rhythm__bar--w3 {
  width: 34%;
  background: var(--night-2);
}

.page-products .pd-rhythm__desc {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .pd-sub__more {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-sub__more a {
  color: var(--sig-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--sig);
}

.page-products .pd-sub__more a:hover,
.page-products .pd-sub__more a:focus-visible {
  color: var(--night);
  border-color: var(--night);
}

.page-products .pd-sub__figure {
  margin: 30px 0 0;
}

/* ---------- 适用场景 ---------- */
.page-products .pd-scenarios {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .pd-scenarios__card {
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-products .pd-scenarios__card:hover {
  transform: translateY(-4px);
  border-color: var(--sig);
}

.page-products .pd-scenarios__no {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold);
  font-weight: 700;
}

.page-products .pd-scenarios__name {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--night);
}

.page-products .pd-scenarios__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .pd-scenarios__figure {
  margin: 28px 0 0;
}

/* ---------- 获取路径 ---------- */
.page-products .pd-access {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-products .pd-access__card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .pd-access__card--first {
  border-top: 3px solid var(--night);
}

.page-products .pd-access__card--back {
  background: var(--night);
  border-color: var(--night);
  color: var(--paper);
}

.page-products .pd-access__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--sig-deep);
  font-weight: 700;
}

.page-products .pd-access__card--back .pd-access__kicker {
  color: var(--sig-soft);
}

.page-products .pd-access__title {
  margin: 8px 0 14px;
  font-size: 18px;
  font-weight: 700;
  color: var(--night);
}

.page-products .pd-access__card--back .pd-access__title {
  color: var(--paper);
}

.page-products .pd-access__steps {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-access__card--back .pd-access__steps {
  color: var(--paper-2);
}

.page-products .pd-access__stat {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(242, 245, 247, .3);
  font-size: 13px;
  line-height: 1.8;
  color: var(--paper-2);
}

.page-products .pd-access__stat .mono {
  color: var(--sig-soft);
  font-weight: 700;
}

.page-products .pd-verify {
  margin-top: 24px;
  padding: 18px 20px;
  background: var(--paper-2);
  border-left: 3px solid var(--gold);
}

.page-products .pd-verify__title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--night);
}

.page-products .pd-verify__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 常见卡点 ---------- */
.page-products .pd-help {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-help__item {
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .pd-help__q {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--night);
}

.page-products .pd-help__a {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .pd-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 版本与复核 ---------- */
.page-products .pd-prose {
  display: grid;
  gap: 16px;
}

.page-products .pd-prose p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 42ch;
}

.page-products .pd-cta {
  margin-top: 30px;
  padding: 24px 20px;
  background: var(--night);
  color: var(--paper);
  display: grid;
  gap: 18px;
}

.page-products .pd-cta__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pd-cta__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-2);
  max-width: 40ch;
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 吸顶目录（桌面） ---------- */
@media (min-width: 960px) {
  .page-products .pd-layout {
    grid-template-columns: minmax(0, 1fr) 254px;
    gap: 56px;
    align-items: start;
  }

  .page-products .pd-aside {
    position: sticky;
    top: 84px;
  }

  .page-products .pd-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-products .pd-toc__link {
    width: 100%;
    box-sizing: border-box;
    border: none;
    border-left: 3px solid transparent;
    background: transparent;
    padding: 9px 10px;
  }

  .page-products .pd-toc__link:hover,
  .page-products .pd-toc__link:focus-visible {
    border-left-color: var(--sig);
    background: var(--paper);
  }
}

/* ---------- 双栏与栅格（桌面） ---------- */
@media (min-width: 860px) {
  .page-products .pd-hero {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .58fr);
    grid-template-areas:
      "label label"
      "title meta"
      "lede  meta";
    column-gap: 48px;
    row-gap: 16px;
    align-items: start;
    padding: 40px 0 44px;
  }

  .page-products .pd-hero__label { grid-area: label; }
  .page-products .pd-hero__title { grid-area: title; }
  .page-products .pd-hero__lede { grid-area: lede; }

  .page-products .pd-hero__meta {
    grid-area: meta;
    align-self: end;
    margin-top: 8px;
  }

  .page-products .pd-doc-grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, .75fr);
    gap: 34px;
    align-items: start;
  }

  .page-products .pd-download {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-products .pd-register {
    grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr);
    gap: 36px;
  }

  .page-products .pd-sub {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 40px;
  }

  .page-products .pd-scenarios {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    padding-bottom: 26px;
  }

  .page-products .pd-scenarios__card:nth-child(even) {
    transform: translateY(26px);
  }

  .page-products .pd-scenarios__card:nth-child(even):hover {
    transform: translateY(22px);
  }

  .page-products .pd-access {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .pd-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 26px;
    padding: 28px 26px;
  }
}

@media (max-width: 559px) {
  .page-products .pd-section__head {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-products .pd-hero::after {
    display: none;
  }

  .page-products .pd-glassstack {
    padding-right: 10px;
  }

  .page-products .pd-glassstack__layer {
    right: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-sub__item,
  .page-products .pd-scenarios__card,
  .page-products .pd-glassstack__copy {
    transition: none;
  }

  .page-products .pd-sub__item:hover,
  .page-products .pd-scenarios__card:hover {
    transform: none;
  }
}
<<<END>>>