.page-products {
  --pp-gap: clamp(1.25rem, 3vw, 2.5rem);
  --pp-line: 1px solid var(--ink-600);
  --pp-rail: 236px;
}

.page-products .section {
  padding-block: clamp(1.75rem, 4vw, 3rem);
}

.page-products .hero {
  padding-block: clamp(1.25rem, 3.5vw, 2.75rem) clamp(2rem, 5vw, 4rem);
  background:
    linear-gradient(180deg, rgba(18, 58, 94, 0.55) 0%, rgba(7, 21, 40, 0) 78%);
}

.page-products .hero__grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .hero__lead {
  max-width: 44rem;
  margin: 1rem 0 0;
  color: var(--mist);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.8;
}

.page-products .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--edge);
  background: var(--ink-600);
}

.page-products .hero__fact {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.9rem 0.85rem 1rem;
  background: var(--ink-900);
}

.page-products .hero__num {
  display: block;
  font-size: clamp(1.45rem, 3.4vw, 2rem);
  line-height: 1;
  color: var(--orange);
}

.page-products .hero__small {
  font-size: 0.6875rem;
  margin-left: 0.15rem;
  color: var(--orange-soft);
}

.page-products .hero__unit {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--mist);
}

.page-products .media-frame {
  margin: 0;
  overflow: hidden;
}

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

.page-products .media-frame__caption {
  padding: 0.6rem 0.75rem;
  font-size: 0.75rem;
  color: var(--mist);
  border-top: var(--pp-line);
  background: var(--ink-800);
}

.page-products .ratio-3x2 { aspect-ratio: 3 / 2; }
.page-products .ratio-2x1 { aspect-ratio: 2 / 1; }
.page-products .ratio-10x7 { aspect-ratio: 10 / 7; }

.page-products .hero__media {
  border: var(--edge);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-products .hero__media img {
  aspect-ratio: 3 / 2;
}

/* 左栏索引与正文轨道 */
.page-products .rail-block {
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.page-products .rail-block__rail {
  border: var(--edge);
  background: var(--ink-800);
  padding: 1rem;
  box-shadow: 6px 6px 0 rgba(3, 12, 24, 0.55);
}

.page-products .doc-rail__list {
  display: flex;
  gap: 0.4rem;
  margin: 0.6rem 0 0;
  padding: 0 0 0.35rem;
  list-style: none;
  overflow-x: auto;
}

.page-products .doc-rail__link {
  display: block;
  white-space: nowrap;
  padding: 0.4rem 0.65rem;
  font-size: 0.8125rem;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
}

.page-products .doc-rail__link:hover,
.page-products .doc-rail__link:focus-visible {
  color: var(--paper);
  border-color: var(--orange);
  background: rgba(255, 106, 42, 0.12);
}

.page-products .rail-block__actions {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* 入口服务展签 */
.page-products .entry-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-products .entry-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.1rem 1.1rem 1.25rem;
  background: var(--ink-800);
}

.page-products .entry-card .plate__tag {
  color: var(--teal);
}

.page-products .entry-card .plate__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .entry-card .plate__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .entry-card .plate__meta {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--secondary, var(--mist));
  color: var(--mist);
  opacity: 0.85;
}

.page-products .entry-card__link {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--orange);
  text-decoration: none;
  border-top: var(--pp-line);
}

.page-products .entry-card__link:hover,
.page-products .entry-card__link:focus-visible {
  color: var(--orange-soft);
  text-decoration: underline;
}

/* 人群标签页 */
.page-products .audience-tabs {
  margin-top: 1.5rem;
}

.page-products .tabs__list {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.page-products .tabs__tab {
  flex: 0 0 auto;
  padding: 0.55rem 0.95rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--mist);
  background: transparent;
  border: var(--edge);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color 180ms var(--ease), background 180ms var(--ease), transform 180ms var(--ease);
}

.page-products .tabs__tab:hover {
  color: var(--paper);
  background: rgba(76, 155, 232, 0.14);
}

.page-products .tabs__tab[aria-selected="true"] {
  color: var(--ink-900);
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 4px 4px 0 rgba(3, 12, 24, 0.6);
}

.page-products .audience-panel {
  margin-top: 1rem;
  padding: 1.1rem;
  background: var(--ink-800);
  border: var(--edge);
  box-shadow: var(--shadow-hard);
}

.page-products .audience-panel + .audience-panel {
  margin-top: 1rem;
}

.page-products .audience-panel__lead {
  margin: 0;
  color: var(--paper);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-products .audience-steps {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: pp-step;
}

.page-products .audience-steps li {
  position: relative;
  padding: 0.55rem 0 0.55rem 2.4rem;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.7;
  border-bottom: 1px dashed rgba(44, 74, 110, 0.9);
  counter-increment: pp-step;
}

.page-products .audience-steps li::before {
  content: counter(pp-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--teal);
}

.page-products .audience-panel__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
}

.page-products .audience-panel__path {
  font-size: 0.75rem;
  color: var(--mist);
}

.page-products .chapter-media,
.page-products #compare .media-frame,
.page-products #paths .media-frame,
.page-products #version .media-frame {
  margin-top: 1.5rem;
  border: var(--edge);
  box-shadow: var(--shadow-hard);
}

/* 对比方法 */
.page-products .method {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .method__item {
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--teal);
  background: rgba(11, 30, 58, 0.72);
}

.page-products .method__no {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-products .method__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .table-scroll {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: var(--edge);
  box-shadow: var(--shadow-hard);
  background: var(--ink-800);
}

.page-products .compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-products .compare-table__caption {
  padding: 0.7rem 0.9rem;
  text-align: left;
  font-size: 0.75rem;
  color: var(--mist);
  background: var(--ink-700);
  border-bottom: var(--edge);
}

.page-products .compare-table th,
.page-products .compare-table td {
  padding: 0.75rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--ink-600);
}

.page-products .compare-table thead th {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: var(--ink-700);
}

.page-products .compare-table tbody th {
  font-weight: 600;
  color: var(--orange-soft);
  white-space: nowrap;
}

.page-products .compare-table td {
  color: var(--mist);
}

.page-products .compare-table tbody tr:nth-child(even) {
  background: rgba(18, 58, 94, 0.22);
}

.page-products .compare-table tbody tr:hover {
  background: rgba(34, 211, 182, 0.08);
}

/* 订阅与更新记录 */
.page-products .paths-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-products .paths-figure {
  padding: 1rem;
  border: var(--edge);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

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

.page-products .fl-line {
  fill: none;
  stroke: var(--ink-600);
  stroke-width: 2;
}

.page-products .fl-box {
  fill: var(--ink-900);
  stroke: var(--ink-700);
  stroke-width: 2;
}

.page-products .fl-box--teal { stroke: var(--teal); }
.page-products .fl-box--orange { stroke: var(--orange); }

.page-products .fl-text {
  fill: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
}

.page-products .fl-dot {
  fill: var(--teal);
}

.page-products .paths-notes {
  display: grid;
  gap: 0.75rem;
}

.page-products .paths-note {
  padding: 1rem;
  background: var(--ink-800);
  border: var(--pp-line);
  border-left: 3px solid var(--orange);
}

.page-products .paths-note__title {
  margin: 0 0 0.4rem;
  font-size: 1rem;
  color: var(--paper);
}

.page-products .paths-note p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .version-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding: 0.9rem 1rem;
  border: var(--edge);
  border-left: 6px solid var(--orange);
  background: var(--ink-800);
}

.page-products .version-strip__label {
  margin: 0;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .version-strip__no {
  margin: 0.15rem 0 0;
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--teal);
}

/* 版本变化 */
.page-products .change-list {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-products .change-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.35rem 0.9rem;
  align-items: start;
  padding: 1rem;
  background: var(--ink-800);
  border: var(--pp-line);
}

.page-products .change-item__no {
  grid-row: span 2;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--orange);
}

.page-products .change-item__title {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--paper);
}

.page-products .change-item p {
  margin: 0.3rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .change-item .tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 0.5rem;
}

/* 下一步 */
.page-products .next {
  border-top: var(--edge);
}

.page-products .next-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.page-products .next-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem;
  text-decoration: none;
  background: var(--ink-800);
  border: var(--edge);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-products .next-card:hover,
.page-products .next-card:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--orange);
}

.page-products .next-card__label {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--teal);
}

.page-products .next-card__title {
  font-family: var(--font-head);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .next__note {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .next__note a {
  color: var(--link);
}

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

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

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

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

@media (min-width: 900px) {
  .page-products .hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-products .rail-block {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 2.75rem);
  }

  .page-products .rail-block__rail {
    position: sticky;
    top: 1.5rem;
  }

  .page-products .doc-rail__list {
    display: grid;
    gap: 0.3rem;
    overflow: visible;
  }

  .page-products .doc-rail__link {
    border-color: transparent;
    border-left: 2px solid var(--ink-600);
    border-radius: 0;
  }

  .page-products .doc-rail__link:hover,
  .page-products .doc-rail__link:focus-visible {
    border-left-color: var(--orange);
    border-color: transparent;
    border-left: 2px solid var(--orange);
  }

  .page-products .paths-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-products .change-item__no {
    grid-row: auto;
  }

  .page-products .change-item .tag {
    grid-column: 3;
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tabs__tab,
  .page-products .next-card {
    transition: none;
  }

  .page-products .next-card:hover,
  .page-products .next-card:focus-visible {
    transform: none;
  }
}
<<<END>>>

.page-products {
  --secondary: currentColor;
}