.page-rankings {
  --rk-rail-top: calc(var(--space-8) + var(--space-4));
}

/* ---------- 首屏 ---------- */

.page-rankings .rk-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
}

.page-rankings .rk-hero__wash {
  position: absolute;
  top: 0;
  right: 0;
  width: 72%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background: color-mix(in srgb, var(--color-primary) 9%, var(--color-surface-alt));
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
}

.page-rankings .rk-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--border-thin);
  background: repeating-linear-gradient(90deg, var(--color-line) 0 8px, transparent 8px 16px);
}

.page-rankings .rk-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: var(--space-6);
  padding-bottom: var(--space-8);
}

.page-rankings .rk-hero__inner .breadcrumbs {
  margin-bottom: var(--space-4);
}

.page-rankings .rk-hero__inner .section-label {
  margin-bottom: var(--space-3);
}

.page-rankings .rk-hero__main {
  display: grid;
  gap: var(--space-6);
}

.page-rankings .rk-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 0.94;
  letter-spacing: -0.015em;
  color: var(--color-ink);
}

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

.page-rankings .rk-hero__figures li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.page-rankings .rk-fig {
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  min-width: 4ch;
}

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

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

/* 首屏刻度 */

.page-rankings .rk-scale {
  margin-top: var(--space-6);
}

.page-rankings .rk-scale__svg {
  display: block;
  width: 100%;
  height: 24px;
  overflow: visible;
}

.page-rankings .rk-scale__rail {
  stroke: var(--color-line);
  stroke-width: 1;
  stroke-dasharray: 2 4;
}

.page-rankings .rk-scale__bar {
  fill: var(--color-primary);
  opacity: 0.6;
}

.page-rankings .rk-scale__legend {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

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

.page-rankings .rk-scale__n {
  color: var(--color-primary);
}

.page-rankings .rk-scale__count {
  margin-left: auto;
  color: var(--color-ink-soft);
}

/* ---------- 主体骨架 ---------- */

.page-rankings .rk-body {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y-lg);
}

.page-rankings .rk-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.page-rankings .rk-rail-col {
  grid-column: 1 / -1;
}

.page-rankings .rk-cols {
  grid-column: 1 / -1;
  display: grid;
  gap: var(--space-6);
  min-width: 0;
}

.page-rankings .rk-rail {
  border: var(--border-thin) dotted var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: var(--color-surface-alt);
}

.page-rankings .rk-rail__list {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0;
}

.page-rankings .rk-rail__list li + li {
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-rankings .rk-rail__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: none;
}

.page-rankings .rk-rail__list a:hover {
  color: var(--color-accent);
}

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

.page-rankings .rk-rail__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 条目组 ---------- */

.page-rankings .rk-group {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  scroll-margin-top: var(--rk-rail-top);
}

.page-rankings .rk-group--alt {
  background: var(--color-surface-alt);
  border-left-color: var(--color-line);
}

.page-rankings .rk-group__head {
  display: grid;
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.page-rankings .rk-group__head .section-label {
  margin-bottom: var(--space-1);
}

.page-rankings .rk-group__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-rankings .rk-group__meta {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-rankings .rk-group__meta .num {
  color: var(--color-primary);
}

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

.page-rankings .rk-group__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-rankings .rk-figure-wide {
  margin: 0 0 var(--space-4);
}

.page-rankings .rk-figure-wide img {
  display: block;
  width: 100%;
  height: auto;
}

.page-rankings .rk-group__lead {
  margin: 0 0 var(--space-4);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

/* ---------- 条目 ---------- */

.page-rankings .rk-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-rankings .rk-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3) var(--space-2);
  border-bottom: var(--border-thin) dotted var(--color-line);
  border-left: 3px solid transparent;
  transition: background-color 150ms ease, border-left-color 150ms ease;
}

.page-rankings .rk-item:last-child {
  border-bottom: 0;
}

.page-rankings .rk-item:hover,
.page-rankings .rk-item:focus-within {
  background: var(--color-primary-soft);
  border-left-color: var(--color-primary);
}

.page-rankings .rk-item__code {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

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

.page-rankings .rk-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.page-rankings .rk-item__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-rankings .rk-item__tag {
  font-size: var(--text-xs);
}

.page-rankings .rk-item__desc {
  margin: 0;
  max-width: 62ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-rankings .rk-item__meta {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
}

/* ---------- 使用提示 ---------- */

.page-rankings .rk-hint {
  padding: var(--section-y) 0;
  background: var(--color-surface-alt);
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-rankings .rk-hint__inner .section-label {
  margin-bottom: var(--space-2);
}

.page-rankings .rk-hint__title {
  margin: 0;
  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 .rk-hint__list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.page-rankings .rk-hint__list > li {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-rankings .rk-hint__n {
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.08em;
}

.page-rankings .rk-hint__item-title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

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

.page-rankings .rk-hint__list a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
}

.page-rankings .rk-hint__list a:hover {
  color: var(--color-accent);
}

.page-rankings .rk-entry {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.page-rankings .rk-entry__label {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

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

.page-rankings .rk-entry .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-rankings .rk-scale__legend {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-1) var(--space-4);
  }

  .page-rankings .rk-group {
    padding: var(--space-4) var(--space-6);
  }

  .page-rankings .rk-item {
    grid-template-columns: 8ch minmax(0, 1fr);
    gap: var(--space-3);
  }
}

@media (min-width: 720px) {
  .page-rankings .rk-scale__legend {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-rankings .rk-hint__list > li {
    grid-template-columns: 6ch minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
    padding: var(--space-4) 0;
  }

  .page-rankings .rk-group__head--media {
    grid-template-columns: minmax(0, 1fr) minmax(150px, 30%);
    align-items: center;
  }

  .page-rankings .rk-group__head--split {
    grid-template-columns: minmax(150px, 30%) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-rankings .rk-hero__inner {
    padding-top: var(--space-8);
    padding-bottom: var(--section-y-lg);
  }

  .page-rankings .rk-hero__main {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--space-8);
  }

  .page-rankings .rk-entry {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    column-gap: var(--space-6);
  }

  .page-rankings .rk-entry__label,
  .page-rankings .rk-entry__text {
    grid-column: 1;
  }

  .page-rankings .rk-entry .btn {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
  }
}

@media (min-width: 960px) {
  .page-rankings .rk-body__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
  }

  .page-rankings .rk-rail-col {
    grid-column: span 3;
    position: sticky;
    top: var(--rk-rail-top);
  }

  .page-rankings .rk-cols {
    grid-column: span 9;
  }
}