.page-products {
  --pr-gap: clamp(18px, 3vw, 30px);
  --pr-hair: 1px solid var(--ink-700);
  --pr-pad: clamp(14px, 2vw, 20px);
  color: var(--paper);
}

.page-products .pr-trail {
  padding-top: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  padding: clamp(22px, 4vw, 46px) 0 clamp(26px, 4vw, 52px);
  border-bottom: var(--pr-hair);
}

.page-products .pr-hero__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 58px);
  line-height: 1.12;
  letter-spacing: 0.03em;
  color: var(--paper);
  max-width: 16em;
}

.page-products .pr-hero__lede {
  max-width: 44em;
  margin: 0;
}

.page-products .pr-hero__facts {
  list-style: none;
  margin: clamp(6px, 1vw, 12px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ink-700);
  border: 2px solid var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-hero__facts li {
  background: var(--ink-800);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pr-hero__facts .bx-mono {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

/* ---------- 章节标题组 ---------- */
.page-products .pr-head {
  display: grid;
  grid-template-columns: 3px minmax(0, 1fr);
  column-gap: clamp(12px, 2vw, 18px);
  row-gap: 6px;
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-products .pr-head > .bx-pulse-line {
  grid-row: 1 / -1;
  width: 3px;
  min-height: 1.8em;
  align-self: stretch;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--cyan-deep));
}

.page-products .pr-head__title {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.22;
  letter-spacing: 0.02em;
}

.page-products .pr-head > .bx-note {
  grid-column: 2;
  margin: 0;
  max-width: 46em;
}

/* ---------- 对照矩阵 ---------- */
.page-products .pr-matrix__figure {
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-products .pr-figure__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .pr-table-wrap {
  overflow-x: auto;
  border: 2px solid var(--ink-700);
  background: var(--ink-900);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pr-table__cap {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  background: var(--ink-800);
  border-bottom: var(--pr-hair);
}

.page-products .pr-table thead th {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: var(--ink-900);
  border-bottom: 2px solid var(--cyan);
  white-space: nowrap;
}

.page-products .pr-table tbody th,
.page-products .pr-table tbody td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
  border-bottom: solid var(--ink-700);
  border-width: 1px;
}

.page-products .pr-table tbody th {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mist);
  white-space: nowrap;
  background: var(--ink-800);
}

.page-products .pr-table tbody td {
  color: var(--paper);
  font-size: 14.5px;
  background: var(--ink-900);
}

.page-products .pr-table tbody tr:nth-child(even) td {
  background: var(--ink-800);
}

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

.page-products .pr-pill {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-900);
}

.page-products .pr-pill--pulse {
  background: var(--cyan);
}

.page-products .pr-pill--flare {
  background: var(--orange);
}

.page-products .pr-diff {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  vertical-align: 2px;
  background: var(--cyan);
}

.page-products .pr-matrix__note {
  margin: 18px 0 0;
  max-width: 60em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  padding-left: 14px;
  border-left: 2px solid var(--ink-700);
}

/* ---------- 栏目地图 ---------- */
.page-products .pr-map__layout {
  display: grid;
  gap: var(--pr-gap);
}

.page-products .pr-map__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--ink-700);
  border: 2px solid var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-products .pr-map__node {
  background: var(--ink-900);
  min-width: 0;
}

.page-products .pr-map__det {
  height: 100%;
}

.page-products .pr-map__sum {
  display: grid;
  gap: 3px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  border-left: 3px solid var(--ink-700);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .pr-map__sum::-webkit-details-marker {
  display: none;
}

.page-products .pr-map__sum:hover {
  background: var(--ink-800);
  border-left-color: var(--cyan-deep);
}

.page-products .pr-map__det[open] > .pr-map__sum {
  background: var(--ink-800);
  border-left-color: var(--cyan);
}

.page-products .pr-map__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pr-map__name {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

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

.page-products .pr-map__panel {
  padding: 0 18px 18px;
  background: var(--ink-800);
  border-left: 3px solid var(--cyan);
}

.page-products .pr-map__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper);
  max-width: 42em;
}

.page-products .pr-map__aside {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-products .pr-map__figure {
  margin: 0;
}

.page-products .pr-map__aside .bx-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 数据条 ---------- */
.page-products .pr-strip {
  margin-bottom: clamp(28px, 5vw, 56px);
}

/* ---------- 平板适配 ---------- */
.page-products .pr-split {
  display: grid;
  gap: var(--pr-gap);
}

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

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

.page-products .pr-ruler {
  border: 2px solid var(--ink-700);
  background: var(--ink-800);
  padding: clamp(12px, 2vw, 18px);
  box-shadow: var(--shadow-hard);
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-products .pr-ruler__track {
  display: flex;
  gap: 2px;
  min-height: 56px;
}

.page-products .pr-ruler__seg {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--ink-900);
}

.page-products .pr-ruler__seg--a {
  flex: 255 1 0;
  background: var(--cyan-deep);
  color: var(--paper);
}

.page-products .pr-ruler__seg--b {
  flex: 176 1 0;
  background: var(--cyan);
}

.page-products .pr-ruler__seg--c {
  flex: 167 1 0;
  background: var(--orange-soft);
}

.page-products .pr-ruler__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pr-seg-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ink-700);
  border-top: 2px solid var(--ink-700);
}

.page-products .pr-seg-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  background: transparent;
  border-bottom: var(--pr-hair);
}

.page-products .pr-seg-list__range {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pr-seg-list__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-products .pr-seg-list__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 40em;
}

.page-products .pr-capture__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
  padding-left: 14px;
  border-left: 2px solid var(--ink-700);
}

.page-products .pr-capture__figure {
  margin: 0;
}

/* ---------- 三步路径 ---------- */
.page-products .pr-path__grid {
  display: grid;
  gap: var(--pr-gap);
}

.page-products .pr-path__list {
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.page-products .pr-path__step {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  column-gap: 14px;
  padding-bottom: 26px;
}

.page-products .pr-path__step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 44px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--ink-700));
}

.page-products .pr-path__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-products .pr-path__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-products .pr-path__body > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 40em;
}

.page-products .pr-path__hint {
  margin-top: 12px;
  border: 1px solid var(--ink-700);
  background: var(--ink-800);
}

.page-products .pr-path__hint summary {
  padding: 10px 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--orange-soft);
}

.page-products .pr-path__hint summary::-webkit-details-marker {
  display: none;
}

.page-products .pr-path__hint summary::before {
  content: "▸ ";
  color: var(--orange);
}

.page-products .pr-path__hint[open] summary::before {
  content: "▾ ";
}

.page-products .pr-path__hint p {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .pr-path__aside {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-products .pr-path__figure {
  margin: 0;
}

.page-products .pr-path__aside .bx-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 场景选版 ---------- */
.page-products .pr-scene__figure {
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-products .pr-scene__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pr-gap);
}

.page-products .pr-scene__card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ink-800);
  border: 2px solid var(--ink-700);
  border-top-width: 4px;
  box-shadow: var(--shadow-hard);
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .pr-scene__card:hover {
  box-shadow: var(--shadow-hard-lift);
  transform: translate(-1px, -1px);
}

.page-products .pr-scene__card--pulse {
  border-top-color: var(--cyan);
}

.page-products .pr-scene__card--flare {
  border-top-color: var(--orange);
}

.page-products .pr-scene__card--lime {
  border-top-color: var(--lime);
}

.page-products .pr-scene__card .bx-eyebrow {
  margin: 0;
}

.page-products .pr-scene__card h3 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-products .pr-scene__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pr-scene__pick {
  margin-top: 6px;
  padding-top: 10px;
  border-top: var(--pr-hair);
  color: var(--paper);
  font-size: 14px;
}

/* ---------- 继续浏览 ---------- */
.page-products .pr-next {
  padding: clamp(28px, 5vw, 56px) 0 clamp(6px, 2vw, 16px);
  border-top: var(--pr-hair);
  margin-top: clamp(28px, 5vw, 56px);
}

.page-products .pr-next__title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: 0.03em;
}

.page-products .pr-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--ink-700);
  border: 2px solid var(--ink-700);
}

.page-products .pr-next__card {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--ink-800);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s var(--ease);
}

.page-products .pr-next__card:hover,
.page-products .pr-next__card:focus-visible {
  background: var(--ink-900);
}

.page-products .pr-next__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pr-next__label {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-products .pr-next__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pr-next__card:hover .pr-next__label {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pr-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pr-map__node--wide {
    grid-column: 1 / -1;
  }

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

@media (min-width: 900px) {
  .page-products .pr-map__layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: start;
  }

  .page-products .pr-split {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: start;
  }

  .page-products .pr-path__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-products .pr-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-products .pr-ruler__seg {
    font-size: 10px;
    letter-spacing: 0;
  }

  .page-products .pr-path__step {
    grid-template-columns: 44px minmax(0, 1fr);
    column-gap: 10px;
  }

  .page-products .pr-path__step:not(:last-child)::before {
    left: 21px;
  }

  .page-products .pr-path__num {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-scene__card,
  .page-products .pr-map__sum,
  .page-products .pr-next__card {
    transition: none;
  }

  .page-products .pr-scene__card:hover {
    transform: none;
  }
}
<<<END>>>