.page-partners {
  --pp-sticky-top: calc(var(--space-8) + var(--space-4));
  --pp-soft-line: color-mix(in srgb, var(--color-ink-muted) 34%, transparent);
  display: block;
}

/* ---------- 首屏：深色底 + 编号刻度墙 ---------- */

.page-partners .partner-hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-y);
}

.page-partners .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.32) contrast(1.12);
}

.page-partners .partner-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.page-partners .hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.page-partners .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, transparent);
}

.page-partners .breadcrumb-link {
  color: inherit;
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-partners .breadcrumb-link:hover,
.page-partners .breadcrumb-link:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
}

.page-partners .hero-kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-contrast-accent);
}

.page-partners .hero-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  text-wrap: balance;
}

.page-partners .hero-lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
}

.page-partners .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin: var(--space-4) 0 0;
  padding: var(--space-3) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  list-style: none;
}

.page-partners .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-partners .stat-label {
  display: block;
  margin-top: calc(var(--space-1) * 0.5);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

.page-partners .hero-scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: calc(var(--space-1) * 0.75) var(--space-3);
  margin: 0;
  padding: var(--space-3);
  list-style: none;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-contrast-surface) 62%, transparent);
}

.page-partners .scale-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-1);
  min-width: 0;
}

.page-partners .scale-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-contrast-ink) 60%, transparent);
}

.page-partners .scale-bar {
  display: block;
  height: var(--space-1);
  border-radius: var(--radius-pill);
}

.page-partners .scale-bar--g1 { width: 100%; background: var(--color-contrast-accent); }
.page-partners .scale-bar--g2 { width: 78%; background: var(--color-contrast-accent); }
.page-partners .scale-bar--g3 { width: 56%; background: var(--color-primary); }
.page-partners .scale-bar--g4 { width: 36%; background: color-mix(in srgb, var(--color-contrast-ink) 52%, transparent); }
.page-partners .scale-bar--g5 { width: 20%; background: color-mix(in srgb, var(--color-contrast-ink) 52%, transparent); }

/* ---------- 总览 ---------- */

.page-partners .overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-partners .overview-lead .section-title {
  margin-bottom: var(--space-3);
}

.page-partners .overview-lead .prose {
  margin-bottom: var(--space-3);
  color: var(--color-ink-soft);
}

.page-partners .overview-ledger {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-partners .overview-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

.page-partners .overview-code {
  grid-row: 1 / span 2;
  align-self: start;
  padding: calc(var(--space-1) * 0.25) var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

.page-partners .overview-name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1);
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-partners .overview-count {
  padding: calc(var(--space-1) * 0.125) var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  color: var(--color-accent);
  border: var(--border-thin) solid var(--color-accent);
  border-radius: var(--radius-pill);
}

.page-partners .overview-text {
  margin: calc(var(--space-1) * 0.5) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-partners .overview-share {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 目录 ---------- */

.page-partners .catalog-section {
  padding-block: var(--space-6) 0;
}

.page-partners .catalog-head {
  margin-bottom: var(--space-4);
}

.page-partners .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thick) solid var(--color-line);
}

.page-partners .filter-chip {
  padding: calc(var(--space-1) * 0.5) var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-ink);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.page-partners .filter-chip:hover {
  border-color: var(--color-primary);
}

.page-partners .filter-chip.is-active,
.page-partners .filter-chip:focus-visible {
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-color: var(--color-primary);
  outline: none;
}

.page-partners .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-partners .path-list {
  display: block;
}

.page-partners .path-group {
  position: relative;
  padding-block: var(--section-y);
}

.page-partners .path-group-head {
  position: sticky;
  top: var(--pp-sticky-top);
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-deep);
  border-left: calc(var(--space-1) * 0.75) solid var(--color-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-2);
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--space-6)) 100%, 0 100%);
}

.page-partners .group-code {
  padding: calc(var(--space-1) * 0.25) var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

.page-partners .group-name {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-partners .group-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-partners .group-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-4);
}

.page-partners .group-note {
  max-width: var(--measure);
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-partners .group-intro .group-note {
  margin-bottom: 0;
}

.page-partners .group-figure {
  margin: 0;
  overflow: hidden;
  border: var(--border-thick) solid var(--color-line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
}

.page-partners .group-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  filter: saturate(0.45) contrast(1.05);
}

.page-partners .path-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-partners .path-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thick) solid var(--color-line);
  border-left: calc(var(--space-1) * 0.75) solid var(--color-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-partners .path-card:hover,
.page-partners .path-card:focus-within {
  transform: translateY(calc(var(--space-1) * -0.5));
  border-color: var(--color-primary);
  border-left-color: var(--color-accent);
}

.page-partners .path-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.page-partners .path-index {
  padding: calc(var(--space-1) * 0.25) var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-primary-ink);
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

.page-partners .path-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-partners .path-desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-partners .path-cond {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: auto 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) dashed var(--pp-soft-line);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-partners .path-card:hover .path-cond,
.page-partners .path-card:focus-within .path-cond {
  -webkit-line-clamp: 12;
  color: var(--color-ink-soft);
}

/* ---------- 对照表 ---------- */

.page-partners .match-table {
  display: grid;
  gap: var(--space-2);
}

.page-partners .match-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-surface-deep);
  border-left: calc(var(--space-1) * 0.5) solid var(--color-accent);
  border-radius: var(--radius-sm);
}

.page-partners .match-row--head {
  display: none;
}

.page-partners .match-cell {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink);
  overflow-wrap: anywhere;
}

.page-partners .match-cell strong {
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

.page-partners .match-cell::before {
  content: attr(data-label);
  display: block;
  margin-bottom: calc(var(--space-1) * 0.25);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-partners .choose-note {
  margin: var(--space-4) 0 0;
  padding: var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink);
  background: var(--color-highlight);
  border-radius: var(--radius-md);
}

.page-partners .choose-note strong {
  color: var(--color-accent);
}

/* ---------- 收尾 ---------- */

.page-partners .closing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-partners .closing-title {
  color: var(--color-contrast-ink);
  margin-bottom: var(--space-3);
}

.page-partners .closing-text {
  max-width: var(--measure);
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, transparent);
}

.page-partners .inline-link {
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-partners .inline-link:hover,
.page-partners .inline-link:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-partners .next-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-partners .next-list li {
  display: grid;
  gap: calc(var(--space-1) * 0.5);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-contrast-surface) 58%, transparent);
}

.page-partners .next-link {
  justify-self: start;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-primary);
}

.page-partners .next-link:hover,
.page-partners .next-link:focus-visible {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-partners .partner-hero {
    padding-block: var(--section-y-lg);
  }

  .page-partners .hero-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-partners .path-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-partners .group-intro {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-partners .next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-partners .filter-chip {
    font-size: var(--text-base);
  }

  .page-partners .match-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    align-items: center;
  }

  .page-partners .match-row--head {
    display: grid;
    padding-block: var(--space-2);
    background: transparent;
    border-left: 0;
    border-bottom: var(--border-thick) solid var(--color-line);
    border-radius: 0;
  }

  .page-partners .match-row--head .match-cell {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-ink-muted);
  }

  .page-partners .match-cell::before {
    display: none;
  }
}

@media (min-width: 1000px) {
  .page-partners .hero-grid {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-partners .hero-copy {
    grid-column: 1 / span 4;
  }

  .page-partners .hero-scale {
    grid-column: 5 / span 3;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-self: end;
  }

  .page-partners .overview-grid {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: var(--space-6);
    align-items: start;
  }

  .page-partners .overview-lead {
    grid-column: 1 / span 3;
    position: sticky;
    top: var(--pp-sticky-top);
  }

  .page-partners .overview-ledger {
    grid-column: 4 / span 4;
  }

  .page-partners .path-grid {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    grid-auto-flow: dense;
    gap: var(--space-4) var(--space-3);
  }

  .page-partners .path-card {
    grid-column: span 3;
  }

  .page-partners .path-card:nth-child(4n + 3) {
    grid-column-start: 2;
  }

  .page-partners .closing-grid {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: var(--space-6);
    align-items: start;
  }

  .page-partners .closing-lead {
    grid-column: 1 / span 3;
  }

  .page-partners .next-list {
    grid-column: 4 / span 4;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-partners .group-intro {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-partners .path-card,
  .page-partners .filter-chip {
    transition: none;
  }

  .page-partners .path-card:hover,
  .page-partners .path-card:focus-within {
    transform: none;
  }
}