.page-partners {
  --p-rule: 3px;
  --p-case-side: 210px;
}

.page-partners img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-partners .breadcrumb {
  margin-bottom: var(--space-6);
}

.page-partners .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-partners .breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--color-line);
}

.page-partners .breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.page-partners .breadcrumb a:hover {
  text-decoration: underline;
}

.page-partners .breadcrumb li[aria-current] {
  color: var(--color-ink-soft);
}

/* ---------- 首屏 ---------- */
.page-partners .p-hero {
  padding-top: var(--space-6);
}

.page-partners .p-hero-split {
  display: grid;
  gap: var(--space-6);
}

.page-partners .p-hero-title {
  margin: var(--space-3) 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.page-partners .p-hero-lede {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-partners .p-hero-lede a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-partners .p-hero-meta {
  margin: 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) dotted var(--color-line);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-partners .p-hero-board {
  position: relative;
  padding: var(--space-4);
  background: var(--color-contrast-surface);
  border: var(--border-thin) solid var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-partners .p-hero-board .coord {
  color: var(--color-contrast-accent);
}

.page-partners .p-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-partners .p-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.page-partners .p-figure-num {
  display: flex;
  align-items: baseline;
  gap: 0.25em;
  font-family: var(--font-mono);
  font-size: calc(var(--text-figure) * 0.62);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-contrast-accent);
}

.page-partners .p-figure-label {
  font-size: var(--text-xs);
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-partners .p-board {
  display: block;
  width: 100%;
  max-width: 460px;
  height: auto;
  margin: var(--space-4) auto 0;
}

.page-partners .p-board line {
  stroke: var(--color-contrast-line);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.page-partners .p-board circle {
  fill: var(--color-contrast-surface);
  stroke: var(--color-contrast-ink);
  stroke-width: 1.5;
  transition: stroke 180ms ease-out, fill 180ms ease-out;
}

.page-partners .p-board text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  fill: var(--color-contrast-ink);
}

.page-partners .p-board .p-node-method {
  fill: var(--color-contrast-accent);
  opacity: 0;
  transition: opacity 180ms ease-out;
}

.page-partners .p-board-node:hover circle,
.page-partners .p-board-node:focus-within circle {
  fill: var(--color-contrast-accent);
  stroke: var(--color-contrast-accent);
}

.page-partners .p-board-node:hover .p-node-method,
.page-partners .p-board-node:focus-within .p-node-method {
  opacity: 1;
}

.page-partners .p-board-node--hub circle {
  stroke: var(--color-contrast-accent);
  stroke-width: 2;
}

.page-partners .p-board-cap {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-contrast-ink);
  opacity: 0.6;
}

/* ---------- 横条图 ---------- */
.page-partners .p-banner {
  padding-top: var(--space-6);
}

.page-partners .p-banner .figure-cap {
  margin-top: var(--space-2);
}

/* ---------- 分组区 ---------- */
.page-partners .p-head-main {
  min-width: 0;
}

.page-partners .p-groups h2,
.page-partners .p-boundaries h2 {
  margin: var(--space-2) 0 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-partners .p-boundaries h2 {
  color: var(--color-contrast-ink);
}

.page-partners .p-boundaries .coord {
  color: var(--color-contrast-accent);
}

.page-partners .p-groups-lede {
  margin: var(--space-6) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-partners .p-groups-lede a,
.page-partners .p-limits-lede a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-partners .p-limits-lede a {
  color: var(--color-contrast-accent);
}

/* ---------- 分段切换 ---------- */
.page-partners .tabs {
  margin-top: var(--space-6);
}

.page-partners .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-partners .tab {
  appearance: none;
  padding: var(--space-2) var(--space-3);
  border: var(--border-thin) solid transparent;
  border-bottom: 0;
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: background 180ms ease-out, color 180ms ease-out;
}

.page-partners .tab[aria-selected="true"] {
  background: var(--color-primary-soft);
  border-color: var(--color-line);
  color: var(--color-primary);
}

.page-partners .tab:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-partners .tab-panel {
  padding-top: var(--space-6);
}

.page-partners .tab-panel:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

/* ---------- 分组头 ---------- */
.page-partners .p-group-head {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.page-partners .p-group-note {
  margin: 0;
  padding-left: var(--space-3);
  border-left: var(--p-rule) solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--color-ink-soft);
}

.page-partners .p-group-lead {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-partners .p-group-figure img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 情景条目 ---------- */
.page-partners .p-case-list {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-partners .p-case {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-6) 0;
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.page-partners .p-case-side {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
}

.page-partners .p-case-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-partners .p-boundary {
  padding: var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
}

.page-partners .p-boundary summary {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--color-ink-soft);
}

.page-partners .p-boundary summary::-webkit-details-marker {
  display: none;
}

.page-partners .p-boundary summary::marker {
  content: "";
}

.page-partners .p-boundary[open] summary {
  color: var(--color-ink);
}

.page-partners .p-boundary p {
  margin: var(--space-2) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) dotted var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-partners .p-case-main {
  min-width: 0;
}

.page-partners .p-case-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--color-ink);
}

.page-partners .p-steps {
  display: grid;
  gap: var(--space-2);
  margin: 0;
}

.page-partners .p-step {
  display: grid;
  gap: var(--space-1);
  padding-top: var(--space-2);
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-partners .p-step dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-partners .p-step dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-partners .p-result {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25em;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.01em;
  color: var(--color-accent);
}

.page-partners .p-result .unit {
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  color: var(--color-ink-muted);
}

/* ---------- 边界与出口 ---------- */
.page-partners .p-limits-lede {
  margin: var(--space-6) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-partners .p-limits {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-partners .p-limits li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-partners .p-limits p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-partners .p-exits {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin) dotted var(--color-contrast-line);
}

.page-partners .p-exits-lead {
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--color-contrast-ink);
}

.page-partners .p-exits-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-partners .p-step {
    grid-template-columns: 66px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }

  .page-partners .p-limits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4) var(--space-6);
  }
}

@media (min-width: 880px) {
  .page-partners .p-case {
    grid-template-columns: var(--p-case-side) minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-partners .p-case-side {
    position: sticky;
    top: var(--space-6);
    align-self: start;
  }
}

@media (min-width: 960px) {
  .page-partners .p-hero {
    padding-top: var(--space-8);
  }

  .page-partners .p-hero-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 0;
    align-items: stretch;
  }

  .page-partners .p-hero-copy {
    padding-right: var(--space-8);
    padding-block: var(--space-4);
  }

  .page-partners .p-hero-board {
    padding: var(--space-6);
  }

  .page-partners .p-group-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-partners .p-header-row {
    display: grid;
  }
}

@media (max-width: 480px) {
  .page-partners .p-figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3) var(--space-4);
  }

  .page-partners .p-figure-num {
    font-size: calc(var(--text-figure) * 0.55);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-partners .p-board circle,
  .page-partners .p-board .p-node-method,
  .page-partners .tab {
    transition: none;
  }
}
<<<END>>>