.page-rankings {
  --rk-rail-width: 96px;
  --rk-figure-width: 280px;
  --rk-hairl: 1px;
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏框景 ---------- */
.page-rankings .rk-hero {
  padding-block: var(--space-4) var(--space-6);
}

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

.page-rankings .rk-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--color-contrast-surface);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-rankings .rk-rail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-rankings .rk-rail-word {
  writing-mode: vertical-rl;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .24em;
  color: var(--color-contrast-line);
  line-height: 1;
}

.page-rankings .rk-rail-scale {
  flex: 1;
  height: var(--rk-hairl);
  min-height: 0;
  background: repeating-linear-gradient(
    to right,
    var(--color-contrast-line) 0 var(--rk-hairl),
    transparent var(--rk-hairl) 12px
  );
}

.page-rankings .rk-rail-mark {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: .08em;
  color: var(--color-contrast-accent);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  padding: calc(var(--space-1) / 4) var(--space-1);
  white-space: nowrap;
}

.page-rankings .rk-frame-body {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4) var(--space-4);
  min-width: 0;
}

.page-rankings .rk-eyebrow {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .24em;
  color: var(--color-contrast-accent);
}

.page-rankings .rk-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-rankings .rk-lead {
  margin: 0;
  max-width: 64ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: .86;
}

/* 数据面板 */
.page-rankings .rk-panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  background: var(--color-contrast-surface);
  padding: var(--space-4) var(--space-4) var(--space-3);
}

.page-rankings .rk-panel-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(.55) brightness(.62) contrast(1.05);
  z-index: -2;
}

.page-rankings .rk-panel-scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  z-index: -1;
}

.page-rankings .rk-panel-tag {
  position: absolute;
  top: var(--space-3);
  right: var(--space-2);
  writing-mode: vertical-rl;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .24em;
  color: var(--color-contrast-ink);
  opacity: .7;
}

.page-rankings .rk-panel-inner {
  position: relative;
  display: grid;
  gap: var(--space-4);
  padding-right: var(--space-6);
}

.page-rankings .rk-figs {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-2) var(--space-6);
}

.page-rankings .rk-fig {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-1) / 2);
}

.page-rankings .rk-fig-num {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: .86;
  letter-spacing: -.02em;
  color: var(--color-contrast-ink);
}

.page-rankings .rk-fig--lead .rk-fig-num {
  font-size: var(--text-figure);
  color: var(--color-contrast-accent);
}

.page-rankings .rk-fig--mid {
  padding-bottom: var(--space-2);
}

.page-rankings .rk-fig--mid .rk-fig-num {
  font-size: var(--text-4xl);
}

.page-rankings .rk-fig--small {
  padding-bottom: var(--space-3);
}

.page-rankings .rk-fig--small .rk-fig-num {
  font-size: var(--text-2xl);
  opacity: .78;
}

.page-rankings .rk-fig-cap {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .24em;
  color: var(--color-contrast-ink);
  opacity: .68;
}

.page-rankings .rk-bracket {
  width: 100%;
  height: auto;
  max-height: 92px;
  color: var(--color-contrast-line);
}

.page-rankings .rk-bracket-lines path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
}

.page-rankings .rk-bracket-dots circle {
  fill: var(--color-contrast-accent);
}

/* ---------- 目录区 ---------- */
.page-rankings .rk-catalog {
  padding-block: var(--space-8);
}

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

.page-rankings .rk-cat-band {
  border-top: var(--border-thin) solid var(--color-primary);
  padding-top: var(--space-3);
}

.page-rankings .rk-cat-band-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .24em;
  color: var(--color-ink-muted);
}

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

.page-rankings .rk-cat-link {
  display: grid;
  grid-template-columns: auto minmax(0, 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);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  transition: color 200ms ease;
}

.page-rankings .rk-cat-link:hover .rk-cat-name {
  color: var(--color-primary);
}

.page-rankings .rk-cat-no {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

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

.page-rankings .rk-groups {
  display: grid;
  gap: var(--space-8);
  min-width: 0;
}

.page-rankings .rk-group {
  min-width: 0;
  scroll-margin-top: var(--space-8);
}

.page-rankings .rk-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-primary);
}

.page-rankings .rk-group-no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: .08em;
  color: var(--color-primary);
}

.page-rankings .rk-group-title {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

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

.page-rankings .rk-group-tail {
  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 .rk-group-tail a,
.page-rankings .rk-note-body a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-accent);
  transition: color 200ms ease;
}

.page-rankings .rk-group-tail a:hover,
.page-rankings .rk-note-body a:hover {
  color: var(--color-accent);
}

/* 分组内的图片位 */
.page-rankings .rk-group-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-rankings .rk-group-split--flip .rk-group-figure {
  order: -1;
}

.page-rankings .rk-group-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
}

.page-rankings .rk-group-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.62) contrast(1.04) brightness(.96);
}

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

.page-rankings .rk-group-figure--wide img {
  aspect-ratio: 2 / 1;
}

.page-rankings .rk-figure-tag {
  position: absolute;
  right: var(--space-2);
  bottom: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .08em;
  color: var(--color-contrast-ink);
  background: var(--color-contrast-surface);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  padding: calc(var(--space-1) / 4) var(--space-1);
  transition: transform 200ms ease;
}

.page-rankings .rk-group-figure:hover .rk-figure-tag {
  transform: translateY(calc(var(--space-1) * -0.5));
}

/* 条目 */
.page-rankings .rk-list {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2);
  margin-inline: calc(var(--space-2) * -1);
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: background-color 200ms ease;
}

.page-rankings .rk-item:hover {
  background: var(--color-surface-deep);
}

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

.page-rankings .rk-item-no {
  min-width: 2ch;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-rankings .rk-item-name {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-rankings .rk-item-state {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .08em;
  color: var(--color-accent);
  border: var(--border-thin) solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: calc(var(--space-1) / 4) var(--space-1);
  white-space: nowrap;
}

.page-rankings .rk-item-state--live {
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.page-rankings .rk-item-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2) var(--space-3);
  margin: 0;
}

.page-rankings .rk-meta-cell {
  display: flex;
  flex-direction: column;
  gap: calc(var(--space-1) / 4);
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
  min-width: 0;
}

.page-rankings .rk-meta-cell dt {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .08em;
  color: var(--color-ink-muted);
}

.page-rankings .rk-meta-cell dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

/* ---------- 口径提示 ---------- */
.page-rankings .rk-note {
  padding-block: var(--space-8) var(--space-8);
}

.page-rankings .rk-note-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--color-primary-soft);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-md);
}

.page-rankings .rk-note-label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: .24em;
  color: var(--color-primary);
  line-height: 1;
}

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

.page-rankings .rk-note-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-rankings .rk-item-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-rankings .rk-group-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, var(--rk-figure-width));
    align-items: start;
  }

  .page-rankings .rk-group-split--flip {
    grid-template-columns: minmax(0, var(--rk-figure-width)) minmax(0, 1fr);
  }

  .page-rankings .rk-note-box {
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--space-4);
    padding: var(--space-8);
  }

  .page-rankings .rk-note-label {
    writing-mode: vertical-rl;
    align-self: start;
  }
}

@media (min-width: 900px) {
  .page-rankings .rk-frame {
    grid-template-columns: var(--rk-rail-width) minmax(0, 1fr);
  }

  .page-rankings .rk-rail {
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: var(--space-6) var(--space-2);
    border-bottom: 0;
    border-right: var(--border-thin) solid var(--color-contrast-line);
  }

  .page-rankings .rk-rail-scale {
    flex: 1;
    width: var(--rk-hairl);
    height: auto;
    min-height: 120px;
    background: repeating-linear-gradient(
      to bottom,
      var(--color-contrast-line) 0 var(--rk-hairl),
      transparent var(--rk-hairl) 12px
    );
  }

  .page-rankings .rk-frame-body {
    padding: var(--space-8) var(--space-6) var(--space-6);
  }

  .page-rankings .rk-hero {
    padding-block: var(--space-6) var(--space-8);
  }
}

@media (min-width: 1024px) {
  .page-rankings .rk-cat-layout {
    grid-template-columns: minmax(200px, 3fr) minmax(0, 9fr);
    gap: var(--space-8);
  }

  .page-rankings .rk-cat-band {
    position: sticky;
    top: var(--space-6);
    align-self: start;
  }

  .page-rankings .rk-item-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-rankings .rk-item,
  .page-rankings .rk-cat-link,
  .page-rankings .rk-figure-tag,
  .page-rankings .rk-group-tail a,
  .page-rankings .rk-note-body a {
    transition: none;
  }

  .page-rankings .rk-group-figure:hover .rk-figure-tag {
    transform: none;
  }
}