.page-products {
  --pr-rail-w: 208px;
  --pr-line: 2px solid var(--ink);
  background: var(--paper);
  color: var(--graphite);
  padding-bottom: 88px;
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-products .pr-hero {
  padding: 6px 0 30px;
}

.page-products .pr-hero-frame {
  position: relative;
  border: 2px solid var(--ink);
  border-radius: 18px;
  background: var(--paper);
  padding: 32px 18px 22px;
  box-shadow: 10px 10px 0 rgba(16, 22, 19, 0.08);
  overflow: hidden;
}

.page-products .pr-hero-frame::before,
.page-products .pr-hero-frame::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--pitch);
  pointer-events: none;
}

.page-products .pr-hero-frame::before {
  top: 10px;
  left: 10px;
  border-right: 0;
  border-bottom: 0;
}

.page-products .pr-hero-frame::after {
  bottom: 10px;
  right: 10px;
  border-left: 0;
  border-top: 0;
}

.page-products .pr-hero-meter {
  height: 8px;
  margin: 0 0 18px;
  background-image: repeating-linear-gradient(
    to right,
    var(--mist) 0 1px,
    transparent 1px 12px
  );
  border-bottom: 1px solid var(--mist);
}

.page-products .pr-hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 7.2vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 14px 0 18px;
  max-width: 18ch;
}

.page-products .pr-hero-lead {
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 56ch;
  margin: 0 0 26px;
}

.page-products .pr-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

.page-products .pr-stat {
  border-top: 1px solid var(--mist);
  padding-top: 10px;
}

.page-products .pr-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  line-height: 1.2;
  color: var(--ink);
}

.page-products .pr-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

/* ---------- 目录 + 内容区 ---------- */
.page-products .pr-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .pr-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-products .pr-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.page-products .pr-rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 14px;
  border: 2px solid var(--ink);
  border-radius: var(--radius-pill);
  background: var(--paper);
  color: var(--ink);
  font-size: 13px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pr-rail-link:hover,
.page-products .pr-rail-link:focus-visible {
  background: var(--pitch-tint);
  color: var(--pitch-deep);
}

.page-products .pr-rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--pitch);
}

.page-products .pr-panels {
  min-width: 0;
}

.page-products .pr-panel {
  padding: 30px 0;
  border-top: 1px solid var(--mist);
  scroll-margin-top: 96px;
}

.page-products .pr-panel:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pr-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.page-products .pr-sec-head .sec-num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 8vw, 68px);
  line-height: 0.9;
  color: var(--mist);
  flex: none;
}

.page-products .pr-sec-tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pitch);
}

.page-products .pr-panel h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
  max-width: 24ch;
}

.page-products .pr-panel p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--graphite);
  max-width: 62ch;
  margin: 0 0 16px;
}

/* ---------- 分栏 ---------- */
.page-products .pr-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-top: 6px;
}

.page-products .pr-split-main {
  min-width: 0;
}

/* ---------- 规格表 ---------- */
.page-products .pr-spec {
  margin: 20px 0 0;
  border-top: 1px solid var(--mist);
}

.page-products .pr-spec > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 9px 2px;
  border-bottom: 1px solid var(--mist);
}

.page-products .pr-spec dt {
  font-size: 13px;
  color: var(--slate);
}

.page-products .pr-spec dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--ink);
  text-align: right;
}

/* ---------- 图 ---------- */
.page-products .pr-fig {
  margin: 22px 0 0;
  border: 2px solid var(--ink);
  border-radius: 14px;
  overflow: hidden;
  background: var(--paper-alt);
}

.page-products .pr-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.02);
}

.page-products .pr-fig figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--slate);
  background: var(--paper);
  border-top: 1px solid var(--mist);
  padding: 8px 12px;
}

/* ---------- 表格 ---------- */
.page-products .pr-table-wrap {
  margin: 20px 0 0;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
  overflow-x: auto;
}

.page-products .pr-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .pr-table-cap {
  caption-side: top;
  text-align: left;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
  background: var(--paper-alt);
  border-bottom: 1px solid var(--mist);
}

.page-products .pr-table thead th {
  text-align: left;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--graphite);
  background: var(--paper-alt);
  border-bottom: 2px solid var(--ink);
}

.page-products .pr-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--mist);
  vertical-align: top;
  color: var(--graphite);
  line-height: 1.6;
}

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

.page-products .pr-table tbody tr:hover td {
  background: var(--pitch-tint);
}

.page-products .pr-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pr-group-row th {
  text-align: left;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  font-weight: 500;
  color: var(--pitch-deep);
  background: var(--pitch-tint);
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--mist);
}

.page-products .pr-scope-table tbody tr:first-child th {
  border-top: 0;
}

/* ---------- 深色栏目中心 ---------- */
.page-products .pr-panel--dark {
  border-top: 0;
  background: var(--ink);
  border-radius: 16px;
  padding: 26px 16px;
  margin: 26px 0;
  color: var(--mist);
}

.page-products .pr-panel--dark h2 {
  color: var(--paper);
}

.page-products .pr-panel--dark .sec-num {
  color: rgba(244, 246, 244, 0.22);
}

.page-products .pr-panel--dark p {
  color: var(--mist);
}

.page-products .pr-panel--dark .pr-sec-tag {
  color: #7FC79F;
}

.page-products .pr-table-wrap--dark {
  border-color: var(--mist);
  background: transparent;
}

.page-products .pr-table--dark .pr-table-cap {
  background: rgba(244, 246, 244, 0.08);
  color: var(--mist);
  border-bottom-color: rgba(201, 208, 203, 0.28);
}

.page-products .pr-table--dark thead th {
  background: rgba(244, 246, 244, 0.1);
  color: var(--paper);
  border-bottom-color: var(--mist);
}

.page-products .pr-table--dark td {
  color: var(--mist);
  border-bottom-color: rgba(201, 208, 203, 0.22);
}

.page-products .pr-table--dark tbody tr:hover td {
  background: rgba(30, 122, 76, 0.35);
}

.page-products .pr-panel--dark .pr-fig {
  border-color: var(--mist);
  background: rgba(244, 246, 244, 0.06);
}

.page-products .pr-panel--dark .pr-fig figcaption {
  background: rgba(244, 246, 244, 0.08);
  border-top-color: rgba(201, 208, 203, 0.28);
  color: var(--mist);
}

/* ---------- 版本带 ---------- */
.page-products .pr-band {
  background: var(--pitch-tint);
  border-radius: 16px;
  padding: 24px 16px;
}

.page-products .pr-band .sec-num {
  color: rgba(20, 84, 54, 0.28);
}

.page-products .pr-band .pr-sec-tag {
  color: var(--pitch-deep);
}

.page-products .pr-versions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 20px 0 18px;
}

.page-products .pr-version {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 14px 16px;
}

.page-products .pr-version-no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 20px;
  color: var(--pitch);
  margin: 0 0 6px !important;
  max-width: none;
}

.page-products .pr-version h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pr-version p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-products .pr-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: var(--paper);
  border: 1px solid var(--pitch);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pitch-deep);
}

.page-products .pr-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pitch);
  display: inline-block;
}

.page-products .pr-scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 18px;
  border-top: 1px solid rgba(20, 84, 54, 0.25);
}

.page-products .pr-scene {
  padding: 12px 0;
  border-bottom: 1px solid rgba(20, 84, 54, 0.25);
}

.page-products .pr-scene h3 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.01em;
}

.page-products .pr-scene p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
  max-width: 44ch;
}

/* ---------- 下一步 ---------- */
.page-products .pr-next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 4px;
}

.page-products .pr-next-card {
  display: block;
  padding: 18px;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
  color: var(--graphite);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pr-next-card:hover,
.page-products .pr-next-card:focus-visible {
  background: var(--paper-alt);
  box-shadow: 6px 6px 0 rgba(16, 22, 19, 0.12);
  transform: translateY(-2px);
}

.page-products .pr-next-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--pitch);
}

.page-products .pr-next-card h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.25;
  color: var(--ink);
}

.page-products .pr-next-card p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--graphite);
  max-width: none;
}

.page-products .pr-next-go {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--pitch);
  border-bottom: 2px solid var(--pitch);
  padding-bottom: 2px;
}

.page-products .pr-next-foot {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--slate);
}

.page-products .pr-inline-link {
  color: var(--pitch);
  text-decoration: none;
  border-bottom: 1px solid var(--pitch);
}

.page-products .pr-inline-link:hover,
.page-products .pr-inline-link:focus-visible {
  color: var(--pitch-deep);
}

/* ---------- 中等宽度 ---------- */
@media (min-width: 700px) {
  .page-products .pr-hero-frame {
    padding: 40px 32px 28px;
  }

  .page-products .pr-hero-stats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pr-stat-num {
    font-size: 24px;
  }

  .page-products .pr-panel--dark,
  .page-products .pr-band {
    padding: 32px 28px;
  }

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

  .page-products .pr-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }

  .page-products .pr-next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ---------- 桌面：左侧粘性目录 + 右侧面板 ---------- */
@media (min-width: 1000px) {
  .page-products {
    padding-bottom: 110px;
  }

  .page-products .pr-layout {
    grid-template-columns: var(--pr-rail-w) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .pr-rail {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-products .pr-rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 2px solid var(--mist);
  }

  .page-products .pr-rail-link {
    border: 0;
    border-radius: 0;
    border-left: 2px solid transparent;
    margin-left: -2px;
    padding: 11px 12px;
    background: transparent;
    white-space: normal;
    width: 100%;
    font-size: 13.5px;
  }

  .page-products .pr-rail-link:hover,
  .page-products .pr-rail-link:focus-visible {
    background: transparent;
    border-left-color: var(--pitch);
    color: var(--pitch);
  }

  .page-products .pr-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .pr-split--rev {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }

  .page-products .pr-split .pr-fig {
    margin-top: 6px;
  }

  .page-products .pr-panel {
    padding: 40px 0;
  }

  .page-products .pr-panel--dark {
    padding: 40px 36px;
    margin: 32px 0;
  }

  .page-products .pr-band {
    padding: 40px 36px;
  }

  .page-products .pr-table {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-rail-link,
  .page-products .pr-next-card {
    transition: none;
  }

  .page-products .pr-next-card:hover,
  .page-products .pr-next-card:focus-visible {
    transform: none;
  }
}