.page-rankings {
  --rk-on-primary-line: color-mix(in srgb, var(--color-primary-ink) 48%, transparent);
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 面包屑条 ---------- */
.page-rankings .rk-crumb {
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-line);
  padding: var(--space-2) 0;
}

.page-rankings .rk-crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-rankings .rk-crumb .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-ink-muted);
}

.page-rankings .rk-crumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
}

.page-rankings .rk-crumb a:hover {
  color: var(--color-primary);
}

/* ---------- 速报头版 ---------- */
.page-rankings .rk-masthead {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-8) 0 var(--section-y-lg);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-rankings .rk-masthead__kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-contrast-accent);
}

.page-rankings .rk-masthead__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--text-display);
  line-height: 0.92;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-rankings .rk-masthead__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

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

.page-rankings .rk-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  list-style: none;
}

.page-rankings .rk-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: var(--text-figure);
  line-height: 0.95;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-accent);
}

.page-rankings .rk-stat__label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-rankings .rk-masthead__side {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.page-rankings .rk-pulse {
  display: block;
  width: 100%;
  height: auto;
  color: var(--color-contrast-line);
}

.page-rankings .rk-masthead__figure {
  margin: 0;
  border: var(--border-thin) solid var(--color-contrast-line);
  overflow: hidden;
}

.page-rankings .rk-masthead__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: grayscale(1) contrast(1.12);
}

@media (min-width: 980px) {
  .page-rankings .rk-masthead__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    gap: var(--gutter);
  }
}

/* ---------- 条目流 ---------- */
.page-rankings .rk-feed {
  background: var(--color-surface);
  padding: var(--section-y) 0;
}

.page-rankings .rk-feed__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-rankings .rk-rail {
  align-self: start;
}

.page-rankings .rk-rail__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-rankings .rk-rail .filter-bar {
  display: flex;
  flex-direction: column;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-rail .filter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  margin: 0;
  padding: var(--space-2);
  border: 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  border-radius: 0;
  background: transparent;
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

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

.page-rankings .rk-rail .filter-btn[aria-pressed="true"] {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-bottom-color: var(--color-primary);
}

.page-rankings .rk-rail .filter-btn:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-rankings .rk-rail .filter-btn__count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  opacity: 0.85;
}

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

.page-rankings .rk-rail__track-label {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-rankings .rk-rail__track svg {
  display: block;
}

@media (min-width: 900px) {
  .page-rankings .rk-feed__layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: var(--gutter);
  }

  .page-rankings .rk-rail {
    position: sticky;
    top: var(--space-6);
  }
}

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

.page-rankings .rk-item {
  position: relative;
  padding: var(--space-4) 0 var(--space-4) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  transition: background 160ms ease;
}

.page-rankings .rk-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-3);
  bottom: var(--space-3);
  width: 3px;
  background: var(--color-primary);
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform 160ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.page-rankings .rk-item:hover::before,
.page-rankings .rk-item:focus-within::before {
  transform: scaleY(1);
}

.page-rankings .rk-item[hidden] {
  display: none;
}

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

.page-rankings .rk-item__stamp {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-rankings .rk-item__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

.page-rankings .rk-item__body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thick);
  text-underline-offset: 3px;
}

.page-rankings .rk-item__meta {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-muted);
}

/* 深底反转段 */
.page-rankings .rk-item--deep {
  background: var(--color-contrast-surface);
  border-bottom-color: var(--color-contrast-line);
}

.page-rankings .rk-item--deep .rk-item__title {
  color: var(--color-contrast-ink);
}

.page-rankings .rk-item--deep .rk-item__body {
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-rankings .rk-item--deep .rk-item__body a {
  color: var(--color-contrast-accent);
}

.page-rankings .rk-item--deep .rk-item__meta {
  color: var(--color-contrast-ink);
  opacity: 0.62;
}

.page-rankings .rk-item--deep .rk-item__stamp {
  color: var(--color-contrast-accent);
}

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

/* ---------- 三条线 ---------- */
.page-rankings .rk-slices {
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
  padding: var(--section-y) 0;
}

.page-rankings .rk-slices__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

.page-rankings .rk-slices__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-rankings .rk-slice {
  display: flex;
  flex-direction: column;
  margin: 0;
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
}

.page-rankings .rk-slice img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: grayscale(1) contrast(1.1);
}

.page-rankings .rk-slice__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
}

.page-rankings .rk-slice__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-rankings .rk-slice__text {
  flex: 1;
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-rankings .rk-slice__link {
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-primary);
}

.page-rankings .rk-slice__link:hover {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

@media (min-width: 760px) {
  .page-rankings .rk-slices__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 收尾行动 ---------- */
.page-rankings .rk-cta {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  padding: var(--section-y-lg) 0;
}

.page-rankings .rk-cta__title {
  margin: 0 0 var(--space-6);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary-ink);
  max-width: 22ch;
}

.page-rankings .rk-cta__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
}

.page-rankings .rk-cta__item {
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--rk-on-primary-line);
}

.page-rankings .rk-cta__link {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-primary-ink);
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-primary-ink);
}

.page-rankings .rk-cta__link:focus-visible {
  outline: var(--border-thick) solid var(--color-primary-ink);
  outline-offset: 4px;
}

.page-rankings .rk-cta__text {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-primary-ink);
  opacity: 0.9;
}

.page-rankings .rk-cta__contact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--rk-on-primary-line);
  font-size: var(--text-base);
  color: var(--color-primary-ink);
}

.page-rankings .rk-cta__contact a {
  font-family: var(--font-mono);
  color: var(--color-primary-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--rk-on-primary-line);
}

.page-rankings .rk-cta__contact a:hover {
  border-bottom-color: var(--color-primary-ink);
}

@media (min-width: 760px) {
  .page-rankings .rk-cta__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--gutter);
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 560px) {
  .page-rankings .rk-stats {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

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

  .page-rankings .rk-stat__num {
    font-size: var(--text-2xl);
  }

  .page-rankings .rk-stat__label {
    margin-top: 0;
  }

  .page-rankings .rk-item__title {
    font-size: var(--text-lg);
  }

  .page-rankings .rk-cta__title {
    font-size: var(--text-xl);
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-rankings .rk-item,
  .page-rankings .rk-item::before,
  .page-rankings .rk-rail .filter-btn {
    transition: none;
  }
}
<<<END>>>