.page-products {
  --pm-gap: clamp(24px, 3vw, 40px);
  background:
    radial-gradient(1100px 520px at 82% -12%, rgba(53, 242, 200, .10), transparent 62%),
    var(--ink);
  color: var(--chalk);
  padding-bottom: clamp(48px, 6vw, 96px);
}

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

/* 首屏 */
.page-products .pm-hero {
  padding: clamp(28px, 4.4vw, 60px) 0 clamp(24px, 3vw, 40px);
  border-bottom: 1px solid var(--line);
}

.page-products .pm-hero__kicker {
  margin: 0 0 14px;
  color: var(--cyan);
}

.page-products .pm-hero__title {
  margin: 0;
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: clamp(32px, 6vw, 76px);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--chalk);
}

.page-products .pm-hero__lede {
  margin-top: clamp(18px, 2.4vw, 28px);
  color: var(--chalk);
}

.page-products .pm-hero__lede p {
  margin: 0 0 .8em;
  font-size: 16px;
  line-height: 1.75;
  max-width: 34em;
  color: var(--chalk);
}

.page-products .pm-hero__lede p:last-child {
  margin-bottom: 0;
  color: var(--cyan-soft);
}

.page-products .pm-facts {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border-top: 1px solid var(--line);
}

.page-products .pm-facts li {
  padding: 14px 0 4px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pm-facts__num {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: .95;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-products .pm-facts__num em {
  font-style: normal;
  font-family: var(--font-cn);
  font-size: 14px;
  letter-spacing: 0;
  margin-left: 3px;
  color: var(--cyan-soft);
}

.page-products .pm-facts__k {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--moss);
}

/* 双栏主体 */
.page-products .pm-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pm-gap);
  padding-top: clamp(24px, 4vw, 48px);
}

/* 左栏索引 */
.page-products .pm-index {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 18px;
  box-shadow: 0 1px 0 rgba(53, 242, 200, .12);
}

.page-products .pm-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .pm-index__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .pm-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--chalk);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-products .pm-index__link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .pm-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--moss);
}

.page-products .pm-index__panel {
  border: 1px solid var(--line-soft);
  background: var(--ink);
  padding: 14px;
}

.page-products .pm-index__panel-k,
.page-products .pm-index__chips {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--moss);
}

.page-products .pm-index__chips {
  margin-top: 6px;
  color: var(--cyan-soft);
  letter-spacing: .04em;
  word-break: break-word;
}

.page-products .pm-index__num {
  margin: 10px 0 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(44px, 8vw, 62px);
  line-height: .9;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-products .pm-index__unit {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--moss);
}

.page-products .pm-bar {
  margin-top: 12px;
  height: 3px;
  background: var(--line-soft);
  overflow: hidden;
}

.page-products .pm-bar i {
  display: block;
  height: 100%;
  background: var(--cyan);
}

.page-products .pm-index__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--moss);
}

.page-products .pm-index__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--moss);
}

/* 右侧章节 */
.page-products .pm-main {
  display: grid;
  gap: var(--pm-gap);
  min-width: 0;
}

.page-products .pm-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 2.6vw, 32px);
  min-width: 0;
}

.page-products .pm-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-products .pm-head__no {
  flex: none;
  font-family: var(--font-num);
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1;
  letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
}

.page-products .pm-head__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.28;
  font-weight: 700;
  color: var(--chalk);
}

.page-products .pm-prose {
  margin-top: 14px;
  max-width: 38em;
}

.page-products .pm-prose p {
  margin: 0 0 .9em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--chalk);
}

.page-products .pm-prose p:last-child {
  margin-bottom: 0;
}

.page-products .pm-aside {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}

.page-products .pm-aside a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .pm-aside a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 图片 */
.page-products .pm-fig {
  margin: 20px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-products .pm-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pm-fig__cap {
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--moss);
}

.page-products .pm-fig--tall {
  max-width: 300px;
}

/* 筛选说明列表 */
.page-products .pm-filter-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pm-filter-list li {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.6;
}

.page-products .pm-filter-list__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .pm-filter-list__v {
  color: var(--chalk);
}

/* 版本卡片 */
.page-products .pm-ver {
  margin-top: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  transition: border-color 140ms var(--ease);
}

.page-products .pm-ver:hover {
  border-color: var(--cyan);
}

.page-products .pm-ver__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

.page-products .pm-ver__summary::-webkit-details-marker {
  display: none;
}

.page-products .pm-ver__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pm-ver[open] .pm-ver__summary::after {
  content: "−";
}

.page-products .pm-ver__id {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-products .pm-ver__stage {
  font-size: 14px;
  color: var(--chalk);
}

.page-products .pm-ver__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  padding: 3px 7px;
  border: 1px solid var(--line);
  color: var(--chalk);
  background: var(--ink);
}

.page-products .pm-ver__tag--done {
  color: var(--moss);
}

.page-products .pm-ver__body {
  padding: 4px 16px 18px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pm-ver__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .pm-ver__list li {
  display: flex;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--chalk);
  margin-bottom: 8px;
}

.page-products .pm-ver__dot {
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--lime);
}

.page-products .pm-ver__sub {
  margin: 18px 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--moss);
}

.page-products .pm-ver__fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pm-ver__fields li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--cyan-soft);
  background: var(--ink);
}

/* 导航状态点演示 */
.page-products .pm-nav-demo {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px 16px;
}

.page-products .pm-nav-demo__rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pm-nav-demo__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--moss);
}

.page-products .pm-nav-demo__row:last-child {
  border-bottom: 0;
}

.page-products .pm-nav-demo__time {
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pm-nav-demo__teams {
  color: var(--chalk);
  letter-spacing: .04em;
}

.page-products .pm-nav-demo__dot {
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--moss);
}

.page-products .pm-nav-demo__dot--ok {
  background: var(--lime);
}

.page-products .pm-nav-demo__dot--live {
  background: var(--orange);
}

.page-products .pm-nav-demo__cap {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--moss);
}

/* 技术统计 */
.page-products .pm-stats {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.page-products .pm-stats li {
  display: grid;
  grid-template-columns: 6.2em minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.55;
}

.page-products .pm-stats__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-products .pm-stats__v {
  color: var(--chalk);
}

.page-products .pm-fig--band {
  margin-top: 22px;
}

/* 版本演进（浅色章节） */
.page-products .pm-paper {
  margin-top: clamp(36px, 5vw, 72px);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: clamp(18px, 3vw, 40px);
}

.page-products .pm-fig--paper {
  margin: 0 0 clamp(20px, 3vw, 32px);
  border-color: rgba(7, 28, 22, .22);
  background: var(--ink);
}

.page-products .pm-paper__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-products .pm-paper .pm-head__no {
  -webkit-text-stroke: 1px rgba(7, 28, 22, .35);
}

.page-products .pm-paper .pm-head__title {
  color: var(--ink);
}

.page-products .pm-paper__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(7, 28, 22, .72);
  max-width: 34em;
}

.page-products .pm-table-wrap {
  margin-top: 20px;
  overflow-x: auto;
  border: 1px solid rgba(7, 28, 22, .22);
}

.page-products .pm-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.6;
}

.page-products .pm-table th {
  text-align: left;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  font-weight: 500;
  color: rgba(7, 28, 22, .68);
  border-bottom: 1px solid rgba(7, 28, 22, .28);
  white-space: nowrap;
}

.page-products .pm-table td {
  padding: 11px 12px;
  vertical-align: top;
  color: var(--ink);
  border-bottom: 1px solid rgba(7, 28, 22, .14);
}

.page-products .pm-table tbody tr:nth-child(odd) {
  background: rgba(12, 42, 34, .06);
}

.page-products .pm-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pm-table__id {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
  color: var(--ink);
}

/* 内链 */
.page-products .pm-next {
  margin-top: clamp(32px, 4vw, 56px);
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 2.6vw, 30px);
}

.page-products .pm-next__title {
  margin: 0 0 14px;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--chalk);
}

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

.page-products .pm-next__item {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no desc";
  gap: 2px 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  text-decoration: none;
  transition: border-color 140ms var(--ease);
}

.page-products .pm-next__item:hover {
  border-color: var(--cyan);
}

.page-products .pm-next__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--moss);
  padding-top: 3px;
}

.page-products .pm-next__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
  color: var(--chalk);
}

.page-products .pm-next__desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.5;
  color: var(--moss);
}

/* 响应式 */
@media (min-width: 620px) {
  .page-products .pm-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .pm-facts {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-products .pm-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-products .pm-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 12px clamp(24px, 4vw, 56px);
    align-items: end;
  }

  .page-products .pm-hero__kicker {
    grid-column: 1 / -1;
  }

  .page-products .pm-hero__lede {
    margin-top: 0;
    padding-bottom: 4px;
  }

  .page-products .pm-facts {
    grid-column: 1 / -1;
  }
}

@media (min-width: 980px) {
  .page-products .pm-body {
    grid-template-columns: 280px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pm-index {
    position: sticky;
    top: 96px;
  }

  .page-products .pm-hero__title {
    max-width: 15em;
  }
}

@media (min-width: 1180px) {
  .page-products .pm-body {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pm-index__link,
  .page-products .pm-ver,
  .page-products .pm-next__item {
    transition: none;
  }
}