.page-rankings {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
}

/* ============ 首屏分屏 ============ */
.page-rankings .rk-hero {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-hero__aside {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-6) var(--space-4) var(--space-8);
}

.page-rankings .rk-hero__aside::before {
  content: "";
  position: absolute;
  inset: -30% -10%;
  background-image: repeating-linear-gradient(
    118deg,
    color-mix(in srgb, var(--color-contrast-accent) 12%, transparent) 0,
    color-mix(in srgb, var(--color-contrast-accent) 12%, transparent) 1px,
    transparent 1px,
    transparent 28px
  );
  pointer-events: none;
  animation: rk-drift 24s linear infinite;
}

.page-rankings .rk-hero__aside > * {
  position: relative;
  z-index: 1;
}

@keyframes rk-drift {
  from { transform: translateX(0); }
  to { transform: translateX(28px); }
}

@media (prefers-reduced-motion: reduce) {
  .page-rankings .rk-hero__aside::before {
    animation: none;
  }
}

.page-rankings .rk-hero__aside .breadcrumbs {
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
  margin-bottom: var(--space-4);
}

.page-rankings .rk-hero__aside .breadcrumbs a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-rankings .rk-hero__aside .breadcrumbs a:hover {
  border-bottom-color: var(--color-contrast-accent);
}

.page-rankings .rk-hero__aside .eyebrow {
  color: var(--color-contrast-accent);
  letter-spacing: 0.14em;
}

.page-rankings .rk-hero__h1 {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  line-height: 0.94;
  letter-spacing: -0.04em;
  font-weight: 800;
  color: var(--color-contrast-ink);
  margin: var(--space-3) 0 var(--space-4);
  overflow-wrap: break-word;
}

.page-rankings .rk-hero__lead {
  max-width: 42ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
  margin: 0 0 var(--space-6);
}

.page-rankings .rk-legend {
  list-style: none;
  margin: 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  display: grid;
  gap: var(--space-2);
}

.page-rankings .rk-legend__item {
  display: grid;
  grid-template-columns: 8.5em 1fr;
  gap: var(--space-2);
  align-items: baseline;
}

.page-rankings .rk-legend__tag {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
  white-space: nowrap;
}

.page-rankings .rk-legend__txt {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
  line-height: 1.5;
}

.page-rankings .rk-hero__main {
  background: var(--color-surface);
  padding: var(--space-6) var(--space-4) var(--space-8);
}

.page-rankings .rk-hero__figure {
  margin: 0 0 var(--space-6);
}

.page-rankings .rk-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-figures__lead {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  color: var(--color-primary);
}

.page-rankings .rk-figures__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 0.9;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-rankings .rk-figures__lab {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink);
}

.page-rankings .rk-figures__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}

.page-rankings .rk-figures__list li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.page-rankings .rk-figures__n {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-ink);
}

.page-rankings .rk-figures__t {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-rankings .rk-index__label {
  margin: var(--space-4) 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-rankings .rk-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-index__item {
  display: grid;
  grid-template-columns: 2.4em 1fr auto;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  text-decoration: none;
  color: var(--color-ink);
}

.page-rankings .rk-index__item:hover,
.page-rankings .rk-index__item:focus-visible {
  background: var(--color-primary-soft);
}

.page-rankings .rk-index__no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-rankings .rk-index__name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.page-rankings .rk-index__delta {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.page-rankings .rk-index__delta--up {
  color: var(--color-accent);
}

.page-rankings .rk-index__delta--down {
  color: var(--color-ink-muted);
}

/* ============ 通用区块头 ============ */
.page-rankings .rk-canvas,
.page-rankings .rk-stages,
.page-rankings .rk-delta,
.page-rankings .rk-foreign,
.page-rankings .rk-rule,
.page-rankings .rk-meta {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-head {
  margin-bottom: var(--space-6);
}

.page-rankings .rk-head h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: var(--space-2) 0 var(--space-3);
  max-width: 24ch;
}

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

/* ============ 目录分组 ============ */
.page-rankings .rk-groups {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-group {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-group:nth-child(odd) {
  background: var(--color-surface-alt);
}

.page-rankings .rk-group:nth-child(even) {
  background: var(--color-surface);
}

.page-rankings .rk-group__head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-rankings .rk-group__trigger {
  display: grid;
  grid-template-columns: 2.4em 1fr auto;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-2);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-heading);
  color: var(--color-ink);
}

.page-rankings .rk-group__trigger:hover {
  background: var(--color-primary-soft);
}

.page-rankings .rk-group__no {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.page-rankings .rk-group__title {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

.page-rankings .rk-group__caret {
  grid-column: 3;
  width: 10px;
  height: 10px;
  border-right: var(--border-thick) solid var(--color-ink-muted);
  border-bottom: var(--border-thick) solid var(--color-ink-muted);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.18s ease-out;
}

.page-rankings .rk-group__panel {
  padding: 0 var(--space-2) var(--space-3);
}

/* ============ 条目行 ============ */
.page-rankings .rk-rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-rankings .rk-row {
  display: grid;
  grid-template-columns: 2.2em 1fr auto;
  gap: var(--space-2);
  align-items: start;
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
  transition: background-color 0.2s linear;
}

.page-rankings .rk-row:first-child {
  border-top: none;
}

.page-rankings .rk-row__no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-ink-muted);
  padding-top: 2px;
}

.page-rankings .rk-row__body {
  min-width: 0;
}

.page-rankings .rk-row__title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
}

.page-rankings .rk-row__desc {
  margin: 0 0 var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: 62ch;
}

.page-rankings .rk-row__foot {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-rankings .rk-row__foot .tag {
  background: var(--color-highlight);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.page-rankings .rk-row__foot .meta-note {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-rankings .rk-row__delta {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  padding-top: 2px;
}

.page-rankings .rk-row__arrow {
  margin-right: 2px;
}

.page-rankings .rk-row__sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-rankings .rk-row__delta--up {
  color: var(--color-accent);
}

.page-rankings .rk-row__delta--down {
  color: var(--color-ink-soft);
}

.page-rankings .rk-row__delta--flat {
  color: var(--color-ink-muted);
}

@media (hover: hover) {
  .page-rankings .rk-row:hover {
    background: var(--color-primary-soft);
  }
  .page-rankings .rk-row:hover .rk-row__delta--up .rk-row__arrow,
  .page-rankings .rk-row:hover .rk-row__delta--down .rk-row__arrow {
    display: inline-block;
    transform: scaleX(1.35);
  }
}

/* ============ 图文对照分栏 ============ */
.page-rankings .rk-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

.page-rankings .rk-cols__figure {
  margin: 0;
}

.page-rankings .rk-cols__text h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-heading);
  margin: var(--space-2) 0 var(--space-3);
  max-width: 22ch;
}

.page-rankings .rk-cols__text h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-top: var(--space-3);
  background: var(--color-primary);
}

.page-rankings .rk-cols__text p {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-3);
}

.page-rankings .rk-cols__text b {
  color: var(--color-ink);
  font-weight: 700;
}

.page-rankings .rk-cols__text a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-accent);
}

.page-rankings .rk-cols__text a:hover {
  background: var(--color-highlight);
}

/* ============ 规则阅读步骤 ============ */
.page-rankings .rk-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
  counter-reset: none;
}

.page-rankings .rk-steps__item {
  display: grid;
  grid-template-columns: 2.6em 1fr;
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-steps__no {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.page-rankings .rk-steps__txt {
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-ink);
}

/* ============ 口径表 ============ */
.page-rankings .rk-specs {
  margin: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-specs__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 .rk-specs dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.page-rankings .rk-specs dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-rankings .rk-meta__tail {
  margin: var(--space-6) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-rankings .rk-meta__tail a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-accent);
}

.page-rankings .rk-meta__tail a:hover {
  background: var(--color-highlight);
}

/* ============ 字色作用域收口 ============ */
.page-rankings .section--deep .rk-cols__text h2,
.page-rankings .section--deep .rk-cols__text p {
  color: var(--color-ink);
}

.page-rankings .section--deep .rk-cols__text p {
  color: var(--color-ink-soft);
}

/* ============ 响应式 ============ */
@media (min-width: 721px) {
  .page-rankings .rk-hero__aside {
    padding: var(--space-8) var(--space-6);
  }
  .page-rankings .rk-hero__main {
    padding: var(--space-8) var(--space-6);
  }
  .page-rankings .rk-figures {
    grid-template-columns: auto 1fr;
    align-items: end;
    gap: var(--space-6);
  }
  .page-rankings .rk-figures__list {
    flex-direction: column;
    gap: var(--space-1);
  }
  .page-rankings .rk-group__trigger {
    grid-template-columns: 3.2em 1fr auto auto;
    padding: var(--space-3) var(--space-3);
  }
  .page-rankings .rk-group__caret {
    grid-column: 4;
  }
  .page-rankings .rk-group__count {
    font-size: var(--text-sm);
  }
  .page-rankings .rk-group__panel {
    padding: 0 var(--space-3) var(--space-4);
  }
  .page-rankings .rk-row {
    grid-template-columns: 3.4em 1fr 5.5em;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
  }
  .page-rankings .rk-row__delta {
    text-align: right;
    font-size: var(--text-xl);
  }
  .page-rankings .rk-specs__row {
    grid-template-columns: 11em 1fr;
    gap: var(--space-4);
    align-items: baseline;
  }
}

@media (min-width: 981px) {
  .page-rankings .rk-hero {
    grid-template-columns: 5fr 7fr;
  }
  .page-rankings .rk-hero__main {
    border-left: var(--border-thin) solid var(--color-line);
  }
  .page-rankings .rk-hero__aside {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
    padding-left: max(var(--gutter), calc((100vw - var(--container)) / 2));
    padding-right: var(--space-6);
  }
  .page-rankings .rk-hero__main {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
    padding-left: var(--space-6);
    padding-right: max(var(--gutter), calc((100vw - var(--container)) / 2));
  }

  .page-rankings .rk-cols {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-8);
    align-items: start;
  }
  .page-rankings .rk-cols--flip {
    grid-template-columns: 7fr 5fr;
  }
  .page-rankings .rk-cols--wide {
    grid-template-columns: 7fr 5fr;
  }
  .page-rankings .rk-delta .rk-cols--flip .rk-cols__figure {
    order: 1;
  }
  .page-rankings .rk-delta .rk-cols--flip .rk-cols__text {
    order: 2;
  }
  .page-rankings .rk-foreign .rk-cols--flip .rk-cols__text {
    order: 1;
  }
  .page-rankings .rk-foreign .rk-cols--flip .rk-cols__figure {
    order: 2;
  }
  .page-rankings .rk-cols__figure {
    border-left: var(--border-thin) solid var(--color-line);
    padding-left: var(--space-4);
  }
}

@media (min-width: 1200px) {
  .page-rankings .rk-hero__aside {
    padding-right: var(--space-8);
  }
  .page-rankings .rk-hero__main {
    padding-left: var(--space-8);
  }
}
<<<END>>>