.page-products {
  --pp-gap: 22px;
  --pp-organic: 10px 14px 8px 12px;
  --pp-grid-line: rgba(157, 179, 165, 0.22);
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-products .pp-head {
  padding: 30px 0 6px;
}

.page-products .pp-head__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 32px;
  line-height: 1.24;
  letter-spacing: 0.012em;
  color: var(--ink);
}

.page-products .pp-head__lead {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .pp-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 24px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--rock);
}

.page-products .pp-head__meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
}

.page-products .pp-head__meta-item .mono {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--deep);
}

/* ---------- 章节通用 ---------- */
.page-products .pp-section {
  padding: 56px 0;
}

.page-products .section-marker {
  margin-bottom: 26px;
}

.page-products .pp-copy h2 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .pp-copy p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .pp-copy a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-products .pp-copy a:hover,
.page-products .pp-copy a:focus-visible {
  color: var(--cinnabar-2);
  border-bottom-color: var(--gold);
}

.page-products .pp-copy kbd {
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 2px 6px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-s);
  background: var(--paper-2);
  color: var(--deep);
}

.page-products .pp-copy .mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  letter-spacing: 0.04em;
  color: var(--deep);
}

.page-products .pp-copy__next {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--rock);
}

.page-products .pp-copy__kicker {
  margin-top: 18px;
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  background: var(--paper-2);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 分栏 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-figure {
  margin: 0;
}

.page-products .pp-figure .figure__frame {
  border-radius: var(--pp-organic);
  overflow: hidden;
  background-color: var(--deep);
  box-shadow: var(--shadow-1);
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-figure--compare .figure__frame {
  background-color: var(--paper-2);
  border: 1px solid var(--line-soft);
  box-shadow: none;
}

/* ---------- 检索模式 ---------- */
.page-products .pp-modes {
  margin: 22px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pp-mode {
  padding: 14px 16px;
  background: var(--paper-2);
  border-radius: var(--pp-organic);
  border-left: 3px solid var(--gold);
}

.page-products .pp-mode dt {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--deep);
  margin-bottom: 6px;
}

.page-products .pp-mode dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .pp-mode .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--cinnabar);
}

/* ---------- 检索示意图 ---------- */
.page-products .pp-diagram-frame {
  margin-top: 30px;
  padding: 22px 18px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-organic);
  background-color: var(--paper-2);
  background-image:
    linear-gradient(var(--pp-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--pp-grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-products .pp-diagram {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-diagram__field {
  fill: var(--paper);
  stroke: var(--line-soft);
  stroke-width: 1.5;
}

.page-products .pp-diagram__label,
.page-products .pp-diagram__label--result {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.06em;
  fill: var(--rock);
}

.page-products .pp-diagram__label--result {
  fill: var(--gold);
  font-size: 15px;
}

.page-products .pp-diagram__rail {
  fill: none;
  stroke: var(--moss);
  stroke-width: 2;
  stroke-linecap: round;
}

.page-products .pp-diagram__node {
  fill: var(--gold);
}

.page-products .pp-diagram__result {
  fill: var(--deep);
  stroke: rgba(201, 162, 39, 0.45);
  stroke-width: 1.5;
}

.page-products .pp-diagram__rule {
  stroke: var(--hairline);
  stroke-width: 1;
}

.page-products .pp-diagram__line {
  fill: rgba(244, 239, 227, 0.22);
}

.page-products .pp-diagram__hit {
  fill: var(--hl);
}

.page-products .pp-diagram__cap {
  margin: 14px 2px 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--rock);
}

/* ---------- 年份导航 ---------- */
.page-products .pp-shelf-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-shelf-nav .tag {
  display: inline-block;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 7px 14px;
  border-radius: 999px;
  transition: transform 200ms ease, box-shadow 200ms ease, background-color 200ms ease;
}

.page-products .pp-shelf-nav .tag:hover,
.page-products .pp-shelf-nav .tag:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}

/* ---------- 资料架 ---------- */
.page-products .pp-shelves {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .pp-shelf {
  padding: 18px 16px 14px;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--gold);
  border-radius: var(--pp-organic);
}

.page-products .pp-shelf__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gold-soft);
}

.page-products .pp-shelf__year {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--deep);
}

.page-products .pp-shelf__count {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--rock);
}

.page-products .pp-shelf__note {
  margin: 12px 0 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .pp-entry {
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-entry:first-of-type {
  border-top: none;
}

.page-products .pp-entry .fold__head {
  cursor: pointer;
  padding: 13px 2px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  transition: color 180ms ease, padding-left 200ms ease;
}

.page-products .pp-entry .fold__head:hover,
.page-products .pp-entry .fold__head:focus-visible {
  color: var(--cinnabar);
  padding-left: 6px;
}

.page-products .pp-entry__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: inherit;
}

.page-products .pp-entry__rev {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: 999px;
  color: var(--deep);
  background: rgba(201, 162, 39, 0.26);
}

.page-products .pp-entry .fold__body {
  padding: 4px 2px 18px;
}

/* 兼容提示 */
.page-products .pp-spec {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-products .pp-spec__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 10px 12px;
  background: var(--paper);
  border-radius: var(--radius-s);
  border: 1px solid var(--line-soft);
}

.page-products .pp-spec__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .pp-spec__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink);
}

/* ---------- 版本对照 ---------- */
.page-products .pp-compare-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-bottom: 26px;
  align-items: start;
}

.page-products .pp-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-organic);
  background: var(--paper);
}

.page-products .pp-table-scroll:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-products .pp-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pp-table__caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--deep-2);
}

.page-products .pp-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 13px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--deep);
  border-bottom: 1px solid var(--gold-soft);
}

.page-products .pp-table tbody th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--deep);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pp-table tbody th .mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--cinnabar);
}

.page-products .pp-table tbody td {
  padding: 14px 16px;
  line-height: 1.65;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(231, 223, 206, 0.62);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(201, 162, 39, 0.12);
}

.page-products .pp-table td .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--deep);
}

/* ---------- 场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pp-scene {
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-organic);
  box-shadow: var(--shadow-1);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.page-products .pp-scene:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-products .pp-scene__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--deep);
  background: rgba(201, 162, 39, 0.28);
  padding: 3px 10px;
  border-radius: 999px;
}

.page-products .pp-scene__title {
  margin: 14px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pp-scene__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 收束 ---------- */
.page-products .pp-next {
  margin-top: 34px;
  padding: 22px 20px;
  background: var(--deep);
  border-radius: var(--pp-organic);
  border-left: 4px solid var(--gold);
}

.page-products .pp-next__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cream);
}

.page-products .pp-next__text a {
  color: var(--hl);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-products .pp-next__text a:hover,
.page-products .pp-next__text a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-products .pp-next__text .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--hl);
}

.page-products .pp-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pp-section {
    padding: 72px 0;
  }

  .page-products .pp-modes {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-shelves {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pp-scenes {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pp-spec__row {
    grid-template-columns: 128px 1fr;
    align-items: baseline;
    gap: 12px;
  }

  .page-products .pp-head__title {
    font-size: 38px;
  }
}

@media (min-width: 980px) {
  .page-products .pp-head {
    padding: 48px 0 10px;
  }

  .page-products .pp-head__title {
    font-size: 44px;
  }

  .page-products .pp-head__lead {
    font-size: 17px;
  }

  .page-products .pp-section {
    padding: 92px 0;
  }

  .page-products .section-marker {
    margin-bottom: 34px;
  }

  .page-products .pp-copy h2 {
    font-size: 32px;
  }

  .page-products .pp-split--entry {
    grid-template-columns: 5fr 7fr;
    gap: 48px;
  }

  .page-products .pp-split--search {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: center;
  }

  .page-products .pp-split--archive {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: center;
  }

  .page-products .pp-split--read {
    grid-template-columns: 4fr 6fr;
    gap: 48px;
    align-items: center;
  }

  .page-products .pp-compare-head {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
    align-items: center;
  }

  .page-products .pp-diagram-frame {
    padding: 30px 28px 20px;
  }

  .page-products .pp-shelves {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-products .pp-scenes {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-products .pp-scene:nth-child(2) {
    transform: translateY(16px);
  }

  .page-products .pp-scene:nth-child(2):hover {
    transform: translateY(13px);
  }

  .page-products .pp-scene:nth-child(3) {
    transform: translateY(6px);
  }

  .page-products .pp-scene:nth-child(3):hover {
    transform: translateY(3px);
  }

  .page-products .pp-next {
    padding: 30px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }

  .page-products .pp-next__text {
    margin: 0;
    max-width: 62ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-scene,
  .page-products .pp-shelf-nav .tag,
  .page-products .pp-entry .fold__head,
  .page-products .pp-copy a {
    transition: none;
  }

  .page-products .pp-scene:hover,
  .page-products .pp-scene:nth-child(2):hover,
  .page-products .pp-scene:nth-child(3):hover {
    transform: none;
  }
}
</final>

.page-products {
  --pp-gap: 24px;
  --pp-organic: 10px 14px 8px 12px;
  --pp-grid: rgba(157, 179, 165, 0.24);
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-products .pp-head {
  padding: 34px 0 10px;
}

.page-products .pp-head__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .pp-head__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--rock);
}

.page-products .pp-head__meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 24px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-head__meta-item {
  font-size: 13px;
  line-height: 1.6;
  color: var(--rock);
}

.page-products .pp-head__meta-item .mono {
  color: var(--cinnabar);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  margin-right: 6px;
}

/* ---------- 章节框架 ---------- */
.page-products .pp-section {
  padding: 44px 0;
}

.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: 26px;
}

.page-products .pp-copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.32;
  color: var(--ink);
}

.page-products .pp-copy p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-products .pp-copy p:last-child {
  margin-bottom: 0;
}

.page-products .pp-copy a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-products .pp-copy a:hover,
.page-products .pp-copy a:focus-visible {
  color: var(--cinnabar-2);
  border-bottom-color: var(--gold);
}

.page-products .pp-copy .mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  letter-spacing: 0.04em;
  color: var(--deep);
  background: rgba(201, 162, 39, 0.18);
  padding: 1px 5px;
  border-radius: 4px;
}

.page-products .pp-copy kbd {
  font-family: var(--font-mono);
  font-size: 0.85em;
  padding: 1px 6px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--paper-2);
  color: var(--deep);
}

.page-products .pp-copy__next {
  margin-top: 20px !important;
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14px !important;
  color: var(--rock) !important;
}

.page-products .pp-figure {
  margin: 0;
}

.page-products .pp-figure .figure__frame {
  overflow: hidden;
  border-radius: var(--pp-organic);
  border: 1px solid var(--line-soft);
  background: var(--deep);
  box-shadow: var(--shadow-1);
}

.page-products .pp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-figure .figure__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

/* ---------- 检索模式 ---------- */
.page-products .pp-modes {
  margin: 22px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pp-mode {
  padding: 14px 16px;
  background: var(--paper-2);
  border-radius: var(--pp-organic);
  border-left: 3px solid var(--gold);
}

.page-products .pp-mode dt {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--deep);
  margin-bottom: 6px;
}

.page-products .pp-mode dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .pp-mode .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--cinnabar);
}

/* ---------- 检索示意图 ---------- */
.page-products .pp-diagram-frame {
  margin-top: 30px;
  padding: 22px 18px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-organic);
  background-color: var(--paper-2);
  background-image:
    linear-gradient(var(--pp-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--pp-grid) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-products .pp-diagram {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pp-diagram__field {
  fill: var(--paper);
  stroke: var(--line-soft);
  stroke-width: 1.5;
}

.page-products .pp-diagram__label {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.06em;
  fill: var(--rock);
}

.page-products .pp-diagram__label--result {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.14em;
  fill: var(--hl);
}

.page-products .pp-diagram__rail {
  fill: none;
  stroke: var(--moss);
  stroke-width: 2;
  stroke-linecap: round;
}

.page-products .pp-diagram__node {
  fill: var(--gold);
}

.page-products .pp-diagram__result {
  fill: var(--deep);
  stroke: rgba(201, 162, 39, 0.45);
  stroke-width: 1.5;
}

.page-products .pp-diagram__rule {
  stroke: var(--hairline);
  stroke-width: 1;
}

.page-products .pp-diagram__line {
  fill: var(--cream-soft);
}

.page-products .pp-diagram__hit {
  fill: var(--hl);
}

.page-products .pp-diagram__cap {
  margin: 14px 2px 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 年份档位导航 ---------- */
.page-products .pp-shelf-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-shelf-nav .tag {
  display: inline-block;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 7px 14px;
  border-radius: 999px;
  transition: transform 200ms ease, box-shadow 200ms ease, background-color 200ms ease;
}

.page-products .pp-shelf-nav .tag:hover,
.page-products .pp-shelf-nav .tag:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-1);
}

/* ---------- 资料架 ---------- */
.page-products .pp-shelves {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .pp-shelf {
  padding: 16px 16px 10px;
  background: var(--paper-2);
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--gold);
  border-radius: var(--pp-organic);
  scroll-margin-top: 90px;
}

.page-products .pp-shelf__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gold-soft);
}

.page-products .pp-shelf__year {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--deep);
}

.page-products .pp-shelf__count {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--rock);
}

.page-products .pp-shelf__note {
  margin: 12px 0 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

.page-products .pp-entry {
  border-top: 1px solid var(--line-soft);
}

.page-products .pp-entry:first-of-type {
  border-top: none;
}

.page-products .pp-entry .fold__head {
  cursor: pointer;
  padding: 13px 2px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  transition: color 180ms ease, padding-left 200ms ease;
}

.page-products .pp-entry .fold__head:hover,
.page-products .pp-entry .fold__head:focus-visible {
  color: var(--cinnabar);
  padding-left: 6px;
}

.page-products .pp-entry__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: inherit;
}

.page-products .pp-entry__rev {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 3px 9px;
  border-radius: 999px;
  color: var(--deep);
  background: rgba(201, 162, 39, 0.26);
}

.page-products .pp-entry .fold__body {
  padding: 4px 2px 18px;
}

/* 兼容提示三行 */
.page-products .pp-spec {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-products .pp-spec__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 10px 12px;
  background: var(--paper);
  border-radius: var(--radius-s);
  border: 1px solid var(--line-soft);
}

.page-products .pp-spec__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .pp-spec__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ink);
}

/* ---------- 版本对照 ---------- */
.page-products .pp-compare-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-table-scroll {
  margin-top: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-organic);
  background: var(--paper);
}

.page-products .pp-table-scroll:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-products .pp-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pp-table__caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: var(--deep-2);
}

.page-products .pp-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 13px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--deep);
  border-bottom: 1px solid var(--gold-soft);
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  padding: 14px 16px;
  text-align: left;
  font-weight: 700;
  color: var(--deep);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .pp-table tbody th .mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--cinnabar);
}

.page-products .pp-table tbody td {
  padding: 14px 16px;
  line-height: 1.65;
  color: var(--ink);
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(231, 223, 206, 0.62);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(201, 162, 39, 0.12);
}

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

.page-products .pp-table td .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--deep);
}

/* ---------- 场景 ---------- */
.page-products .pp-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pp-scene {
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-radius: var(--pp-organic);
  box-shadow: var(--shadow-1);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.page-products .pp-scene:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-products .pp-scene__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--deep);
  background: rgba(201, 162, 39, 0.28);
  padding: 3px 10px;
  border-radius: 999px;
}

.page-products .pp-scene__title {
  margin: 14px 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .pp-scene__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 收束 ---------- */
.page-products .pp-next {
  margin-top: 34px;
  padding: 22px 20px;
  background: var(--deep);
  border-radius: var(--pp-organic);
  border-left: 4px solid var(--gold);
}

.page-products .pp-next__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cream);
}

.page-products .pp-next__text a {
  color: var(--hl);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
}

.page-products .pp-next__text a:hover,
.page-products .pp-next__text a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-products .pp-next__text .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--hl);
}

.page-products .pp-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-head__meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-section {
    padding: 60px 0;
  }

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

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

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

  .page-products .pp-spec__row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
}

@media (min-width: 980px) {
  .page-products .pp-head {
    padding: 52px 0 14px;
  }

  .page-products .pp-head__title {
    font-size: 44px;
  }

  .page-products .pp-section {
    padding: 88px 0;
  }

  .page-products .pp-split {
    gap: 48px;
    margin-top: 34px;
  }

  .page-products .pp-split--entry {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-products .pp-split--search {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-products .pp-split--archive {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-products .pp-split--read {
    grid-template-columns: 4fr 6fr;
    align-items: center;
  }

  .page-products .pp-compare-head {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
    align-items: center;
  }

  .page-products .pp-copy h2 {
    font-size: 30px;
  }

  .page-products .pp-diagram-frame {
    margin-top: 44px;
    padding: 30px 34px 22px;
  }

  .page-products .pp-shelves {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pp-shelves .pp-shelf:nth-child(2) {
    transform: translateY(14px);
  }

  .page-products .pp-scenes {
    gap: 20px;
  }

  .page-products .pp-scene:nth-child(2) {
    transform: translateY(16px);
  }

  .page-products .pp-scene:nth-child(2):hover {
    transform: translateY(13px);
  }

  .page-products .pp-scene:nth-child(3) {
    transform: translateY(6px);
  }

  .page-products .pp-scene:nth-child(3):hover {
    transform: translateY(3px);
  }

  .page-products .pp-next {
    margin-top: 46px;
    padding: 30px 34px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
  }

  .page-products .pp-next__text {
    margin: 0;
    max-width: 62ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-scene,
  .page-products .pp-shelf-nav .tag,
  .page-products .pp-entry .fold__head,
  .page-products .pp-copy a {
    transition: none;
  }

  .page-products .pp-scene:hover,
  .page-products .pp-scene:nth-child(2):hover,
  .page-products .pp-scene:nth-child(3):hover {
    transform: none;
  }
}