.page-rankings-rules {
  --rr-rail: 88px;
  --rr-tint: color-mix(in srgb, var(--color-primary-soft) 60%, var(--color-surface));
  padding-bottom: var(--section-y);
}

/* 面包屑与页首 */
.page-rankings-rules .rr-crumb {
  padding-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.page-rankings-rules .rr-head {
  padding-bottom: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings-rules .rr-head__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 22ch;
}

.page-rankings-rules .rr-head__lede {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-rankings-rules .rr-jump {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
}

.page-rankings-rules .rr-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
  padding: 6px 12px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: border-color 140ms ease-out, color 140ms ease-out;
}

.page-rankings-rules .rr-jump a:hover,
.page-rankings-rules .rr-jump a:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-rankings-rules .rr-jump a .mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
}

/* 条款骨架 */
.page-rankings-rules .rr-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-6) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings-rules .rr-clause__num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.page-rankings-rules .rr-clause__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-rankings-rules .rr-clause__main > .prose {
  margin: 0 0 var(--space-3);
}

.page-rankings-rules .prose {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-rankings-rules .prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 三件事定义表 */
.page-rankings-rules .rr-defs {
  margin: 0 0 var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-rankings-rules .rr-defs__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings-rules .rr-defs__row dt {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-rankings-rules .rr-defs__row dd {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* 误读引用块 */
.page-rankings-rules .rr-misread {
  max-width: var(--measure);
  margin: var(--space-4) 0 0;
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-left: var(--border-thick) solid var(--color-accent);
  background: color-mix(in srgb, var(--color-highlight) 34%, var(--color-surface));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-rankings-rules .rr-misread__label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-rankings-rules .rr-misread p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-rankings-rules .rr-misread a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 样本渠道 */
.page-rankings-rules .rr-samples {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-rankings-rules .rr-samples__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-rankings-rules .rr-samples__tag {
  justify-self: start;
}

.page-rankings-rules .rr-samples__name {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-rankings-rules .rr-samples__desc {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* 图表 */
.page-rankings-rules .rr-figure {
  margin: var(--space-4) 0;
  padding: 0;
}

.page-rankings-rules .rr-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-contrast-surface);
}

.page-rankings-rules .rr-figure figcaption {
  margin-top: var(--space-2);
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* 表格 */
.page-rankings-rules .rr-table {
  min-width: 640px;
}

.page-rankings-rules .rr-table__caption {
  caption-side: top;
  text-align: left;
  padding-bottom: var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-rankings-rules .rr-table--weights {
  min-width: 760px;
}

/* 换算刻度 */
.page-rankings-rules .rr-gauges {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  counter-reset: rr-gauge;
}

.page-rankings-rules .rr-gauges__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-rankings-rules .rr-gauges__item:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings-rules .rr-gauges__id {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-rankings-rules .rr-gauges__title {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-rankings-rules .rr-gauges__item p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-rankings-rules .rr-window {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: 420px;
  margin-top: var(--space-3);
}

.page-rankings-rules .rr-window__cap {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.page-rankings-rules .rr-window__rail {
  position: relative;
  flex: 1 1 auto;
  height: 6px;
  border-radius: var(--radius-pill);
  background: repeating-linear-gradient(
    90deg,
    var(--color-primary-soft) 0 6px,
    transparent 6px 10px
  );
}

.page-rankings-rules .rr-window__rail::after {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 3px;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
}

/* 更正步骤 */
.page-rankings-rules .rr-steps {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  gap: var(--space-2);
  counter-reset: rr-step;
}

.page-rankings-rules .rr-steps__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-3);
  background: var(--color-surface-deep);
  border-radius: var(--radius-sm);
}

.page-rankings-rules .rr-steps__id {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.page-rankings-rules .rr-steps__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* 相邻主题 */
.page-rankings-rules .rr-next {
  padding-top: var(--space-6);
}

.page-rankings-rules .rr-next__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-rankings-rules .rr-next__head .rr-clause__title {
  margin-bottom: var(--space-2);
}

.page-rankings-rules .rr-next__head .prose {
  margin: 0;
}

.page-rankings-rules .rr-next__grid {
  gap: var(--space-3);
}

.page-rankings-rules .rr-next__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  text-decoration: none;
  transition: border-color 160ms ease-out, transform 160ms ease-out;
}

.page-rankings-rules .rr-next__card:hover,
.page-rankings-rules .rr-next__card:focus-visible {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.page-rankings-rules .rr-next__index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-rankings-rules .rr-next__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-rankings-rules .rr-next__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-rankings-rules .rr-next__foot {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-rankings-rules .rr-next__foot a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 聚焦可见性 */
.page-rankings-rules a:focus-visible,
.page-rankings-rules .rr-next__card:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-rankings-rules .rr-head {
    padding-top: var(--space-6);
    padding-bottom: var(--space-8);
  }

  .page-rankings-rules .rr-head__title {
    font-size: var(--text-4xl);
  }

  .page-rankings-rules .rr-clause {
    grid-template-columns: var(--rr-rail) minmax(0, 1fr);
    gap: var(--space-4);
    padding: var(--space-8) 0;
  }

  .page-rankings-rules .rr-clause__num {
    font-size: var(--text-2xl);
    padding-top: 4px;
  }

  .page-rankings-rules .rr-defs__row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: start;
  }

  .page-rankings-rules .rr-samples__item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: start;
  }

  .page-rankings-rules .rr-samples__tag {
    justify-self: start;
    margin-top: 2px;
  }

  .page-rankings-rules .rr-gauges__item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: var(--space-3);
    padding: var(--space-4) 0;
  }

  .page-rankings-rules .rr-figure {
    margin: var(--space-6) 0;
  }

  .page-rankings-rules .rr-next {
    padding-top: var(--space-8);
  }

  .page-rankings-rules .rr-next__head {
    grid-template-columns: var(--rr-rail) minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-rankings-rules .rr-next__head .rr-clause__num {
    padding-top: 4px;
  }
}

@media (min-width: 1100px) {
  .page-rankings-rules .rr-clause {
    --rr-rail: 108px;
  }

  .page-rankings-rules .rr-figure--wide {
    margin-right: calc(var(--space-6) * -1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-rankings-rules .rr-jump a,
  .page-rankings-rules .rr-next__card {
    transition: none;
  }

  .page-rankings-rules .rr-next__card:hover,
  .page-rankings-rules .rr-next__card:focus-visible {
    transform: none;
  }
}
<<<END>>>