.page-products {
  --pf-a: var(--cyan);
  --pf-b: var(--orange);
  --pf-c: var(--cyan-soft);
  --pf-soft: rgba(242, 247, 244, 0.78);
  --pf-clue: var(--cyan);
  background:
    radial-gradient(120% 55% at 12% 0%, rgba(43, 232, 200, 0.09), transparent 62%),
    var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
}

.page-products .pf-frame {
  fill: none;
  stroke: var(--line);
}

.page-products .pf-grid {
  fill: none;
  stroke: var(--line-soft);
  stroke-width: 1;
}

.page-products .pf-axis {
  fill: none;
  stroke: var(--line);
}

.page-products .pf-board {
  padding: 16px;
  border-radius: 6px;
}

.page-products .pf-board svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pf-bar {
  opacity: 0.45;
}

.page-products .pf-row--a circle,
.page-products .pf-row--a .pf-bar {
  fill: var(--pf-a);
}

.page-products .pf-row--b circle,
.page-products .pf-row--b .pf-bar {
  fill: var(--pf-b);
}

.page-products .pf-row--c circle,
.page-products .pf-row--c .pf-bar {
  fill: var(--pf-c);
}

.page-products .pf-cell {
  fill: var(--ink-700);
  stroke: var(--line);
}

.page-products .pf-cell--dim {
  fill: transparent;
}

.page-products .pf-ticks path {
  fill: none;
  stroke: var(--muted);
  stroke-width: 2;
  opacity: 0.6;
}

/* 面包屑与首屏 */
.page-products .pf-crumb {
  padding-top: 22px;
}

.page-products .pf-hero {
  display: grid;
  gap: 30px;
  padding: 30px 0 10px;
}

.page-products .pf-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-numeric);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .pf-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(38px, 9vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .pf-hero__lead {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pf-soft);
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 26px;
}

.page-products .pf-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pf-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .pf-stat .stat-figure,
.page-products .pf-stat__num {
  font-family: var(--font-numeric);
  font-weight: 500;
  font-size: clamp(30px, 7vw, 42px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-products .pf-stat__label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* 章节小标题行 */
.page-products .pf-head {
  display: grid;
  gap: 10px;
  margin-bottom: 6px;
}

.page-products .pf-head__note {
  margin: 0;
  max-width: 52em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pf-soft);
}

.page-products .filter-bar {
  margin: 16px 0 4px;
}

.page-products .filter-bar--seg {
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--glass);
}

/* 三条线索 */
.page-products .pf-clues {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.page-products .pf-clue {
  --pf-clue: var(--cyan);
  position: relative;
  padding: 24px 20px 20px 26px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-800);
}

.page-products .pf-clue--a { --pf-clue: var(--pf-a); }
.page-products .pf-clue--b { --pf-clue: var(--pf-b); }
.page-products .pf-clue--c { --pf-clue: var(--pf-c); }

.page-products .pf-clue__band {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--pf-clue), rgba(18, 49, 42, 0.2));
}

.page-products .pf-clue__title {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 24px;
  color: var(--paper);
}

.page-products .pf-clue__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pf-soft);
}

.page-products .pf-clue__list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-products .pf-clue__list li {
  position: relative;
  margin-top: 8px;
  padding: 8px 0 0 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .pf-clue__list li::before {
  content: "";
  position: absolute;
  top: 15px;
  left: 0;
  width: 7px;
  height: 2px;
  background: var(--pf-clue);
}

.page-products .pf-clue__link {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--pf-clue);
  text-decoration: none;
}

.page-products .pf-clue__link:hover {
  text-decoration: underline;
}

/* 索引表 */
.page-products .pf-stage {
  position: relative;
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-800);
}

.page-products .pf-stage__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.13;
  filter: saturate(0.5);
  pointer-events: none;
  border-radius: 4px;
}

.page-products .pf-tables {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
}

.page-products .pf-table-card {
  --pf-clue: var(--cyan);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--glass);
}

.page-products .pf-table-card--a { --pf-clue: var(--pf-a); }
.page-products .pf-table-card--b { --pf-clue: var(--pf-b); }
.page-products .pf-table-card--c { --pf-clue: var(--pf-c); }

.page-products .pf-table-card__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 14px;
  border-left: 4px solid var(--pf-clue);
  background: var(--ink-700);
}

.page-products .pf-table-card__idx {
  font-family: var(--font-numeric);
  font-size: 22px;
  font-weight: 500;
  line-height: 1;
  color: var(--pf-clue);
}

.page-products .pf-table-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 19px;
  color: var(--paper);
}

.page-products .pf-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pf-table--half {
  min-width: 360px;
}

.page-products .pf-table th,
.page-products .pf-table td {
  padding: 9px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pf-table thead th {
  font-family: var(--font-numeric);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-table tbody th[scope="row"] {
  font-family: var(--font-numeric);
  font-weight: 400;
  font-size: 14px;
  white-space: nowrap;
  color: var(--muted);
}

.page-products .pf-table tbody td {
  color: var(--pf-soft);
}

.page-products .pf-table tbody tr:hover {
  background: rgba(43, 232, 200, 0.06);
}

.page-products .pf-table .pf-num {
  font-family: var(--font-numeric);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  text-align: right;
  white-space: nowrap;
  color: var(--paper);
}

.page-products .pf-more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-numeric);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange-soft);
  white-space: nowrap;
}

.page-products .pf-more summary::-webkit-details-marker {
  display: none;
}

.page-products .pf-more summary::after {
  content: " ＋";
  color: var(--dim);
}

.page-products .pf-more[open] summary::after {
  content: " －";
}

.page-products .pf-more__body {
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  white-space: normal;
  color: var(--muted);
}

/* 维度 */
.page-products .pf-dims {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-products .pf-dim {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-800);
}

.page-products .pf-dim__idx {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  font-family: var(--font-numeric);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pf-dim h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 21px;
  color: var(--paper);
}

.page-products .pf-dim p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pf-soft);
}

/* 图文错位阅读区 */
.page-products .pf-read {
  display: grid;
  gap: 24px;
  align-items: center;
  --pf-clue: var(--cyan);
}

.page-products .pf-read--flip {
  --pf-clue: var(--orange);
}

.page-products .pf-read__media .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.page-products .pf-read__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pf-read__body h2 {
  margin-bottom: 12px;
}

.page-products .pf-read__body > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pf-soft);
}

.page-products .pf-steps {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-products .pf-step__idx {
  font-family: var(--font-numeric);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--pf-clue);
}

.page-products .pf-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pf-soft);
}

/* 细节数据 */
.page-products .pf-detail {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}

.page-products .pf-detail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pf-detail-list > li {
  border-bottom: 1px solid var(--line);
}

.page-products .pf-detail-list .pf-more summary {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  justify-content: space-between;
  padding: 15px 4px;
  font-family: var(--font-numeric);
  font-size: 15px;
  color: var(--paper);
  white-space: normal;
}

.page-products .pf-more__round {
  color: var(--muted);
}

.page-products .pf-more__val {
  color: var(--orange-soft);
}

.page-products .pf-detail-list .pf-more__body {
  padding: 0 4px 14px;
  font-size: 14px;
}

.page-products .pf-detail__note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pf-soft);
}

.page-products .pf-detail__side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: start;
}

.page-products .pf-detail__side .media-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.page-products .pf-detail__side img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 使用门槛 */
.page-products .pf-access {
  margin-top: 20px;
}

.page-products .pf-access__item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--ink-800);
}

.page-products .pf-access__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  color: var(--paper);
}

.page-products .pf-access__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pf-soft);
}

/* 场景 */
.page-products .pf-scenes {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.page-products .pf-scene {
  --pf-clue: var(--cyan);
  padding: 22px 20px;
  border-top: 3px solid var(--pf-clue);
  background: var(--ink-800);
}

.page-products .pf-scene--a { --pf-clue: var(--pf-a); }
.page-products .pf-scene--b { --pf-clue: var(--pf-b); }
.page-products .pf-scene--c { --pf-clue: var(--pf-c); }

.page-products .pf-scene__tag {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-numeric);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--pf-clue);
}

.page-products .pf-scene h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 21px;
  color: var(--paper);
}

.page-products .pf-scene p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pf-soft);
}

.page-products .pf-scene__link {
  font-size: 14px;
  font-weight: 700;
  color: var(--pf-clue);
  text-decoration: none;
}

.page-products .pf-scene__link:hover {
  text-decoration: underline;
}

/* 收尾 */
.page-products .pf-cta {
  display: grid;
  gap: 18px;
  padding: 28px 22px;
}

.page-products .pf-cta__text h2 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(26px, 6vw, 38px);
  line-height: 1.1;
  color: var(--paper);
}

.page-products .pf-cta__text p {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pf-soft);
}

.page-products .pf-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 640px) {
  .page-products .pf-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pf-cta {
    padding: 34px 28px;
  }
}

@media (min-width: 880px) {
  .page-products .pf-clues,
  .page-products .pf-dims,
  .page-products .pf-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pf-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: center;
    padding: 52px 0 20px;
  }

  .page-products .pf-read {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    gap: 48px;
  }

  .page-products .pf-read--flip .pf-read__media {
    order: 2;
  }

  .page-products .pf-detail {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    gap: 34px;
  }

  .page-products .pf-detail__side {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-products .pf-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-products .pf-tables {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .pf-stage {
    padding: 22px;
  }
}
<<<END>>>