.page-products {
  --pp-rule: rgba(46, 74, 92, 0.45);
  --pp-amber-wash: rgba(242, 193, 78, 0.14);
  display: block;
  background: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  background:
    radial-gradient(140% 100% at 6% -12%, rgba(46, 74, 92, 0.5), transparent 62%),
    linear-gradient(180deg, var(--ink-deep), var(--ink));
  border-bottom: 1px solid var(--hairline);
  padding: clamp(28px, 5vw, 52px) 0 clamp(34px, 5vw, 60px);
}

.page-products .pp-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-products .pp-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--signal);
  flex: 0 0 auto;
}

.page-products .pp-title {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7.6vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .pp-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--dust);
}

.page-products .pp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-hero-grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-products .pp-hero-side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pp-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--panel);
}

.page-products .pp-stat-val {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 26px;
  line-height: 1.1;
  color: var(--paper);
}

.page-products .pp-stat-unit {
  margin-left: 4px;
  font-size: 12px;
  font-weight: 400;
  color: var(--signal);
}

.page-products .pp-stat-lbl {
  font-size: 12px;
  line-height: 1.5;
  color: var(--dust);
}

/* ---------- 索引条 ---------- */
.page-products .pp-index-bar {
  position: sticky;
  top: 56px;
  z-index: 20;
  background: rgba(11, 31, 26, 0.96);
  border-bottom: 1px solid var(--hairline-strong);
  backdrop-filter: blur(10px);
}

.page-products .pp-index-track {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-index-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--panel);
  color: var(--dust);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .pp-index-link:hover,
.page-products .pp-index-link:focus-visible {
  color: var(--paper);
  border-color: var(--signal);
  background: var(--panel-soft);
}

.page-products .pp-index-link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
}

/* ---------- 总览 ---------- */
.page-products .pp-overview {
  padding: clamp(36px, 6vw, 72px) 0 clamp(28px, 4vw, 48px);
}

.page-products .pp-figure {
  margin: 28px 0 0;
}

.page-products .pp-figure-frame {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  background: var(--panel);
}

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

.page-products .pp-figure-frame--tall img {
  aspect-ratio: 4 / 3;
}

.page-products .pp-figure-frame--phone img {
  aspect-ratio: 3 / 4;
}

.page-products .pp-figure .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.65;
  color: var(--grid-soft);
}

.page-products .pp-table-wrap {
  margin-top: 30px;
  overflow-x: auto;
  border-top: 1px solid var(--hairline-strong);
  border-bottom: 1px solid var(--hairline-strong);
}

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

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hairline);
}

.page-products .pp-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grid-soft);
  white-space: nowrap;
}

.page-products .pp-table tbody tr {
  transition: background 180ms var(--ease);
}

.page-products .pp-table tbody tr:hover {
  background: rgba(18, 49, 42, 0.66);
}

.page-products .pp-table td {
  color: var(--dust);
  line-height: 1.7;
}

.page-products .pp-table td:first-child {
  color: var(--paper);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .pp-table td.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-soft);
  white-space: nowrap;
}

/* ---------- 六条产品线 ---------- */
.page-products .pp-line {
  padding: clamp(30px, 5vw, 58px) 0;
  border-top: 1px solid var(--hairline);
}

.page-products .pp-line--alt {
  background: linear-gradient(180deg, rgba(18, 49, 42, 0.9), rgba(18, 49, 42, 0.4));
}

.page-products .pp-line-grid {
  display: grid;
  gap: 16px;
}

.page-products .pp-line-aside {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-products .pp-line-num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  color: var(--signal);
}

.page-products .pp-line-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grid-soft);
}

.page-products .pp-line-status {
  margin: 0;
  font-size: 12px;
}

.page-products .pp-line-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pp-line-text {
  margin: 14px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dust);
}

.page-products .pp-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 66ch;
}

.page-products .pp-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dust);
}

.page-products .pp-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 2px;
  background: var(--signal);
}

.page-products .pp-line-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
}

.page-products .pp-line-count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grid-soft);
}

/* ---------- 定位方法 ---------- */
.page-products .pp-locate {
  padding: clamp(36px, 6vw, 76px) 0;
  border-top: 1px solid var(--hairline);
  background:
    radial-gradient(80% 90% at 100% 0%, rgba(255, 106, 19, 0.07), transparent 60%),
    var(--ink);
}

.page-products .pp-steps {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pp-step {
  padding: 24px 22px;
  background: var(--panel);
}

.page-products .pp-step-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-products .pp-step h3 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.35;
  color: var(--paper);
}

.page-products .pp-step p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dust);
}

.page-products .pp-tag-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 26px;
}

.page-products .pp-tag-lbl {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grid-soft);
}

/* ---------- 双层索引 ---------- */
.page-products .pp-layers {
  padding: clamp(36px, 6vw, 76px) 0;
  border-top: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--ink), var(--ink-deep));
}

.page-products .pp-layer-grid {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.page-products .pp-layer-card {
  padding-left: 20px;
  border-left: 1px solid var(--hairline-strong);
}

.page-products .pp-layer-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-layer-card h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  background: var(--signal);
  vertical-align: middle;
}

.page-products .pp-layer-card p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dust);
}

.page-products .pp-matrix-scroll {
  margin-top: 32px;
  overflow-x: auto;
  padding-bottom: 10px;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-matrix {
  display: grid;
  grid-template-columns: 92px repeat(6, minmax(44px, 1fr));
  gap: 5px;
  min-width: 540px;
}

.page-products .pp-matrix-corner {
  display: block;
}

.page-products .pp-matrix-col {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--grid-soft);
  white-space: nowrap;
}

.page-products .pp-matrix-row-label {
  display: flex;
  align-items: center;
  padding-right: 10px;
  font-size: 12px;
  color: var(--dust);
  white-space: nowrap;
}

.page-products .pp-cell {
  display: block;
  aspect-ratio: 1 / 1;
  min-height: 30px;
  border-radius: 6px;
  background: rgba(46, 74, 92, 0.26);
  border: 1px solid rgba(46, 74, 92, 0.55);
}

.page-products .pp-cell.is-half {
  background: rgba(255, 164, 92, 0.26);
  border-color: rgba(255, 164, 92, 0.6);
}

.page-products .pp-cell.is-hit {
  background: var(--signal);
  border-color: var(--signal);
}

.page-products .pp-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--grid-soft);
}

.page-products .pp-legend-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: rgba(46, 74, 92, 0.26);
  border: 1px solid rgba(46, 74, 92, 0.55);
}

.page-products .pp-legend-dot.is-half {
  background: rgba(255, 164, 92, 0.26);
  border-color: rgba(255, 164, 92, 0.6);
}

.page-products .pp-legend-dot.is-hit {
  background: var(--signal);
  border-color: var(--signal);
}

/* ---------- 历史版本 ---------- */
.page-products .pp-legacy {
  padding: clamp(36px, 6vw, 76px) 0;
  border-top: 1px solid var(--hairline);
  background: var(--ink);
}

.page-products .pp-compare {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--hairline);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pp-compare-col {
  padding: 22px 20px;
  background: var(--panel);
}

.page-products .pp-compare-col--old {
  background: linear-gradient(180deg, var(--pp-amber-wash), rgba(18, 49, 42, 1) 62%);
}

.page-products .pp-compare-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grid-soft);
}

.page-products .pp-ver {
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-products .pp-ver--old {
  background: var(--pp-amber-wash);
  border: 1px solid rgba(242, 193, 78, 0.45);
  color: var(--amber);
}

.page-products .pp-ver--new {
  background: rgba(63, 208, 138, 0.14);
  border: 1px solid rgba(63, 208, 138, 0.45);
  color: var(--done);
}

.page-products .pp-compare-rows {
  margin: 18px 0 0;
  padding: 0;
}

.page-products .pp-compare-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(255, 164, 92, 0.34);
}

.page-products .pp-compare-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pp-compare-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--grid-soft);
}

.page-products .pp-compare-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-products .pp-compare-row dd.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-soft);
}

.page-products .pp-badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.6;
}

.page-products .pp-badge--amber {
  background: var(--pp-amber-wash);
  color: var(--amber);
}

.page-products .pp-badge--done {
  background: rgba(63, 208, 138, 0.14);
  color: var(--done);
}

.page-products .pp-note {
  margin: 22px 0 0;
  max-width: 68ch;
  padding-left: 16px;
  border-left: 2px solid var(--signal-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 导出 ---------- */
.page-products .pp-export {
  padding: clamp(36px, 6vw, 76px) 0;
  border-top: 1px solid var(--hairline);
  background: linear-gradient(180deg, var(--ink-deep), var(--ink));
}

.page-products .pp-tabs {
  margin-top: 26px;
}

.page-products .pp-tabs .tabpanel {
  margin-top: 18px;
  padding: 22px 20px;
  background: var(--panel);
  border-radius: var(--radius);
  border-left: 2px solid var(--signal);
}

.page-products .pp-panel-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-panel-text {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dust);
}

.page-products .pp-fields {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-fields li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
  font-size: 14px;
  line-height: 1.7;
  color: var(--dust);
}

.page-products .pp-fields li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pp-fields .mono {
  flex: 0 0 auto;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal-soft);
}

.page-products .pp-sub-block {
  margin-top: 30px;
  padding: 22px 20px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: rgba(18, 49, 42, 0.6);
}

.page-products .pp-sub-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pp-sub-text {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dust);
}

/* ---------- 两端一致 ---------- */
.page-products .pp-sync {
  padding: clamp(36px, 6vw, 76px) 0 clamp(48px, 7vw, 88px);
  border-top: 1px solid var(--hairline);
  background: var(--ink);
}

.page-products .pp-sync-grid {
  display: grid;
  gap: 28px;
}

.page-products .pp-sync-text {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dust);
}

.page-products .pp-sync-side {
  max-width: 340px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .pp-sync-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 44px;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(280px, 5fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .pp-line-grid {
    grid-template-columns: minmax(160px, 3fr) minmax(0, 9fr);
    gap: 44px;
  }

  .page-products .pp-line-aside {
    position: sticky;
    top: 128px;
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

@media (min-width: 1440px) {
  .page-products .pp-hero-grid {
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-index-link,
  .page-products .pp-table tbody tr {
    transition: opacity 120ms linear;
  }
}
</main>