.page-rankings-rules {
  --rr-flat: 4px 4px 0 color-mix(in srgb, var(--color-ink) 16%, var(--color-surface));
  --rr-flat-lift: 7px 7px 0 color-mix(in srgb, var(--color-accent) 22%, var(--color-surface));
  --rr-card-pad: var(--space-3);
}

.page-rankings-rules .deco-host {
  position: relative;
  overflow: hidden;
}

.page-rankings-rules .rules-head__grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.page-rankings-rules .rules-head__main {
  max-width: var(--measure);
}

.page-rankings-rules .rules-head__main .lede {
  margin-top: var(--space-2);
}

.page-rankings-rules .rules-jump {
  background: var(--color-surface-deep);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--rr-flat);
}

.page-rankings-rules .rules-jump__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
}

.page-rankings-rules .rules-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: calc(var(--space-1) * 0.5);
}

.page-rankings-rules .rules-jump__item a {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: calc(var(--space-1) * 0.75) var(--space-2);
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.page-rankings-rules .rules-jump__item a:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
  transform: translateX(2px);
}

.page-rankings-rules .rules-jump__no {
  color: var(--color-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  flex: none;
}

.page-rankings-rules .rules-jump__item a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-rankings-rules .rules-group__head {
  max-width: var(--measure);
  margin-bottom: var(--space-4);
}

.page-rankings-rules .rules-group__head .prose {
  margin-top: var(--space-2);
}

.page-rankings-rules .rules-group__head--deep .title-section {
  color: var(--color-contrast-ink);
}

.page-rankings-rules .rules-group__head--deep .prose {
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-rankings-rules .eyebrow--deep {
  color: var(--color-contrast-accent);
}

.page-rankings-rules .eyebrow--deep::before {
  background: var(--color-contrast-accent);
}

.page-rankings-rules .rules-figure {
  margin: 0 0 var(--space-4);
  padding: var(--space-2);
  background: var(--color-surface-deep);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--rr-flat);
}

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

.page-rankings-rules .rules-figure .frame__caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-rankings-rules .rules-figure--mid {
  max-width: min(100%, calc(var(--container) * 0.7));
  margin-left: auto;
  margin-right: auto;
}

.page-rankings-rules .rules-figure--narrow {
  max-width: min(100%, calc(var(--container) * 0.65));
  margin-left: auto;
}

.page-rankings-rules .rules-list {
  display: grid;
  gap: var(--space-3);
}

.page-rankings-rules .rule-card {
  position: relative;
  display: grid;
  gap: var(--space-2);
  padding: var(--rr-card-pad);
  background: var(--color-surface);
  border: var(--border-thick) solid var(--color-line);
  border-left: 8px solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--rr-flat);
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}

.page-rankings-rules .rule-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--rr-flat-lift);
}

.page-rankings-rules .rule-card__head {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.page-rankings-rules .rule-card__head .title-block {
  margin: 0;
}

.page-rankings-rules .rule-card__no {
  flex: none;
  display: inline-block;
  padding: calc(var(--space-1) * 0.25) var(--space-1);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  letter-spacing: 0.05em;
}

.page-rankings-rules .rule-card__formula {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-sm);
  border-left: 6px solid var(--color-contrast-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  overflow-x: auto;
  overflow-wrap: break-word;
}

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

.page-rankings-rules .rule-card__case {
  padding: var(--space-2) var(--space-3);
  background: var(--color-highlight);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 45%, transparent);
  border-radius: var(--radius-sm);
}

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

.page-rankings-rules .rule-card__case-label {
  display: inline-block;
  margin-bottom: var(--space-1);
  padding: calc(var(--space-1) * 0.2) var(--space-1);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
}

.page-rankings-rules .rule-card__fold {
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-2);
}

.page-rankings-rules .rule-card__fold summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  list-style: none;
}

.page-rankings-rules .rule-card__fold summary::-webkit-details-marker {
  display: none;
}

.page-rankings-rules .rule-card__fold summary::before {
  content: "＋";
  display: inline-block;
  margin-right: var(--space-1);
  font-family: var(--font-body);
}

.page-rankings-rules .rule-card__fold[open] summary::before {
  content: "－";
}

.page-rankings-rules .rule-card__fold summary:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

.page-rankings-rules .rules-steps {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-4);
  display: grid;
  gap: calc(var(--space-1) * 0.5);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
}

.page-rankings-rules .rules-state {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-rankings-rules .rules-state__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

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

.page-rankings-rules .rules-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: calc(var(--space-1) * 0.75);
}

.page-rankings-rules .rules-flow__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-deep);
  border-left: 5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
}

.page-rankings-rules .rules-flow__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--space-3) - var(--space-1) * 0.5);
  height: calc(var(--space-3) - var(--space-1) * 0.5);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
}

.page-rankings-rules .rules-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-rankings-rules .rules-paths__link {
  display: grid;
  gap: calc(var(--space-1) * 0.5);
  padding: var(--space-2) var(--space-3);
  background: color-mix(in srgb, var(--color-contrast-ink) 7%, var(--color-contrast-surface));
  border: var(--border-thick) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.page-rankings-rules .rules-paths__link:hover {
  transform: translateX(3px);
  border-color: var(--color-contrast-accent);
  background: color-mix(in srgb, var(--color-contrast-accent) 16%, var(--color-contrast-surface));
}

.page-rankings-rules .rules-paths__link:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

.page-rankings-rules .rules-paths__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-rankings-rules .rules-paths__note {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.page-rankings-rules .deco-bar {
  top: 18%;
  right: -22px;
}

.page-rankings-rules .deco-dot {
  bottom: 12%;
  left: -18px;
}

.page-rankings-rules .deco-notch {
  top: -26px;
  left: 8%;
}

.page-rankings-rules .deco-square {
  right: -20px;
  bottom: 8%;
}

.page-rankings-rules .deco-dot--light {
  background: var(--color-contrast-accent);
}

@media (min-width: 760px) {
  .page-rankings-rules {
    --rr-card-pad: var(--space-4);
  }

  .page-rankings-rules .rules-state__item,
  .page-rankings-rules .rules-flow__step {
    align-items: center;
  }

  .page-rankings-rules .rules-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-rankings-rules .rules-paths li:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1000px) {
  .page-rankings-rules .rules-head__grid {
    grid-template-columns: minmax(0, 1fr) 264px;
    align-items: start;
    gap: var(--space-6);
  }

  .page-rankings-rules .rules-jump {
    position: sticky;
    top: var(--space-4);
  }

  .page-rankings-rules .rules-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-rankings-rules .rules-paths li:first-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-rankings-rules .rule-card:hover,
  .page-rankings-rules .rules-paths__link:hover,
  .page-rankings-rules .rules-jump__item a:hover {
    transform: none;
  }
}