.page-products {
  --pd-rail-w: 220px;
  --pd-ink-soft: #C3D2DE;
  color: var(--paper);
  padding-bottom: clamp(56px, 9vw, 110px);
}

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

.page-products .pd-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-products .pd-inline:hover {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  display: grid;
  gap: 30px;
  margin-top: 16px;
  padding-bottom: clamp(34px, 5vw, 58px);
}

.page-products h1 {
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.07;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
  max-width: 18em;
}

.page-products .pd-hero-copy .lede {
  font-size: 15px;
  line-height: 1.8;
  color: var(--pd-ink-soft);
  margin: 0;
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pd-facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 2px solid var(--line);
}

.page-products .pd-fact {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-fact-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
  min-width: 76px;
  line-height: 1;
}

.page-products .pd-fact-label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .pd-hero-figure {
  margin: 0;
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--panel);
}

/* ---------- 双栏骨架 ---------- */
.page-products .pd-shell {
  display: grid;
  gap: 34px;
}

.page-products .pd-rail {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-pop);
  padding: 18px 16px;
}

.page-products .pd-rail-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-products .pd-rail-nav {
  display: flex;
  flex-direction: column;
}

.page-products .pd-rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 160ms ease, padding-left 160ms ease;
}

.page-products .pd-rail-link span {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--mist);
}

.page-products .pd-rail-link:hover {
  color: var(--cyan);
  padding-left: 4px;
}

.page-products .pd-rail-note {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-products .pd-rail-note-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 7px;
}

.page-products .pd-rail-note p {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 章节 ---------- */
.page-products .pd-block {
  padding: clamp(34px, 5vw, 56px) 0;
  border-top: 2px solid var(--line);
}

.page-products .pd-block:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pd-block-title {
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 8px 0 16px;
  max-width: 20em;
}

.page-products .pd-text {
  font-size: 15px;
  line-height: 1.78;
  margin: 0 0 16px;
  color: var(--paper);
}

.page-products .pd-text--soft {
  color: var(--mist);
  font-size: 14px;
}

/* ---------- 面板模拟 ---------- */
.page-products .pd-board {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin: 24px 0 26px;
}

.page-products .pd-pane {
  background: var(--ink-deep);
  border: 2px solid var(--line);
  border-top-width: 6px;
  border-top-color: var(--line);
  padding: 13px 12px 12px;
}

.page-products .pd-pane--epl { border-top-color: var(--epl); }
.page-products .pd-pane--laliga { border-top-color: var(--laliga); }
.page-products .pd-pane--seriea { border-top-color: var(--seriea); }
.page-products .pd-pane--bundesliga { border-top-color: var(--ok); }

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

.page-products .pd-pane-name {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-products .pd-pane-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-products .pd-pane-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pd-pane-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-products .pd-pane-pos {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--mist);
  width: 18px;
  flex: none;
}

.page-products .pd-pane-track {
  flex: 1 1 auto;
  height: 6px;
  background: var(--line);
  overflow: hidden;
}

.page-products .pd-pane-fill {
  display: block;
  height: 100%;
  background: var(--cyan);
}

.page-products .pd-pane-row:nth-child(1) .pd-pane-fill { width: 100%; }
.page-products .pd-pane-row:nth-child(2) .pd-pane-fill { width: 78%; }
.page-products .pd-pane-row:nth-child(3) .pd-pane-fill { width: 56%; }
.page-products .pd-pane-row:nth-child(4) .pd-pane-fill { width: 38%; }

.page-products .pd-pane-foot {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 13px 0 0;
  font-size: 11px;
  color: var(--mist);
}

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

.page-products .pd-notes li {
  border-left: 2px solid var(--line);
  padding-left: 14px;
}

.page-products .pd-notes-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-products .pd-notes p {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 分栏图文 ---------- */
.page-products .pd-split {
  display: grid;
  gap: 26px;
  margin-top: 6px;
}

.page-products .pd-split .media-frame {
  margin: 0;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-pop);
}

/* ---------- 数字条 ---------- */
.page-products .pd-counters {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-products .pd-counter {
  background: var(--ink-deep);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pd-counter-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pd-counter-label {
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 文档卡 ---------- */
.page-products .pd-docs {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-top: 22px;
}

.page-products .pd-doc {
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-pop);
  padding: 16px 15px;
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-products .pd-doc:hover {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
}

.page-products .pd-doc-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .pd-doc-name {
  font-size: 16px;
  font-weight: 800;
  margin: 7px 0 8px;
}

.page-products .pd-doc-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--mist);
}

/* ---------- 版本时间轴 ---------- */
.page-products .pd-timeline-figure {
  margin: 26px 0 0;
  border: 2px solid var(--line);
  background: var(--panel);
}

.page-products .pd-timeline {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(238px, 82%);
  gap: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 18px 2px 20px;
  margin-top: 6px;
  border-bottom: 2px solid var(--line);
}

.page-products .pd-node {
  scroll-snap-align: start;
  border: 2px solid var(--line);
  border-left: 6px solid var(--line);
  background: var(--ink-deep);
  padding: 14px;
}

.page-products .pd-node[open] {
  border-left-color: var(--cyan);
}

.page-products .pd-node summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pd-node summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-node summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
  flex: none;
}

.page-products .pd-node[open] summary::after {
  content: "−";
}

.page-products .pd-node-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--paper);
}

.page-products .pd-node p {
  margin: 11px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 联赛色条 ---------- */
.page-products .pd-snap {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding: 6px 2px 16px;
  margin-top: 8px;
}

.page-products .pd-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px 9px 12px;
  border: 2px solid var(--line);
  background: var(--panel);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.page-products .pd-chip::before {
  content: "";
  width: 6px;
  height: 18px;
  background: var(--line);
  flex: none;
}

.page-products .pd-chip--epl::before { background: var(--epl); }
.page-products .pd-chip--laliga::before { background: var(--laliga); }
.page-products .pd-chip--seriea::before { background: var(--seriea); }
.page-products .pd-chip--bundesliga::before { background: var(--ok); }
.page-products .pd-chip--ligue1::before { background: var(--orange); }
.page-products .pd-chip--csl::before { background: var(--cyan); }
.page-products .pd-chip--jleague::before { background: var(--mist); }
.page-products .pd-chip--kleague::before { background: var(--paper); }

.page-products .pd-snap + .media-frame {
  margin: 6px 0 0;
  border: 2px solid var(--line);
  background: var(--panel);
}

.page-products .pd-ops {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-ops li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pd-ops-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  min-width: 92px;
  flex: none;
}

/* ---------- 路径卡 ---------- */
.page-products .pd-routes {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
  margin-top: 22px;
}

.page-products .pd-route {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  border: 2px solid var(--line);
  border-bottom-width: 6px;
  background: var(--panel);
  text-decoration: none;
  color: var(--paper);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-products .pd-route:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pd-route-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-products .pd-route-title {
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.page-products .pd-route-go {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .pd-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-products .pd-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

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

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

  .page-products .pd-hero-copy .lede {
    font-size: 16px;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero {
    grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
    align-items: center;
    gap: 44px;
  }

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

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

@media (min-width: 980px) {
  .page-products .pd-shell {
    grid-template-columns: var(--pd-rail-w) minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-products .pd-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

@media (min-width: 1024px) {
  .page-products .pd-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pd-timeline {
    grid-auto-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-rail-link,
  .page-products .pd-doc,
  .page-products .pd-route {
    transition: none;
  }

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