.page-partners-modes {
  color: var(--color-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-partners-modes .pm-crumb-bar {
  padding-top: var(--space-3);
}

/* ---------- 页头 ---------- */
.page-partners-modes .pm-intro {
  padding: var(--space-4) 0 var(--space-6);
  border-bottom: calc(var(--border-thick) * 2) solid var(--color-line);
}

.page-partners-modes .pm-title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: var(--space-2) 0 var(--space-3);
  max-width: 22ch;
}

.page-partners-modes .pm-lede {
  max-width: 68ch;
  color: var(--color-ink-soft);
}

/* ---------- 深色指标带 ---------- */
.page-partners-modes .pm-band {
  padding: var(--space-6) 0;
  color: var(--color-contrast-ink);
  border-bottom: calc(var(--border-thick) * 2) solid var(--color-contrast-line);
}

.page-partners-modes .pm-band-inner {
  display: grid;
  gap: var(--space-4);
}

.page-partners-modes .pm-band-lead {
  border-left: calc(var(--border-thick) * 3) solid var(--color-primary);
  padding-left: var(--space-2);
}

.page-partners-modes .pm-band-eyebrow {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-contrast-accent);
}

.page-partners-modes .pm-band-line {
  margin: 0;
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-contrast-ink);
  max-width: 34ch;
}

.page-partners-modes .pm-metrics {
  display: grid;
  gap: var(--space-3);
}

.page-partners-modes .pm-metrics .metric-pair {
  border-top: var(--border-thin) solid var(--color-contrast-line);
  padding-top: var(--space-2);
  color: var(--color-contrast-ink);
}

.page-partners-modes .pm-metrics .metric-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.page-partners-modes .pm-metrics .metric-value {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-ink);
}

.page-partners-modes .pm-metrics .metric-unit {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-partners-modes .pm-metrics .metric-label {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-partners-modes .pm-metrics .metric-note {
  margin-top: var(--space-2);
  padding-left: var(--space-1);
  border-left: var(--border-thin) solid var(--color-contrast-accent);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
  max-width: 36ch;
}

/* ---------- 模式对照 ---------- */
.page-partners-modes .pm-modes {
  padding: var(--space-6) 0;
}

.page-partners-modes .pm-head {
  margin-bottom: var(--space-3);
}

.page-partners-modes .pm-head h2 {
  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);
  margin: 0;
}

.page-partners-modes .pm-head-note {
  margin: 6px 0 0;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-partners-modes .pm-modes-top {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-partners-modes .pm-figure {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-contrast-surface);
  margin: 0;
  position: relative;
}

.page-partners-modes .pm-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.85);
}

.page-partners-modes .figure-caption {
  display: block;
  padding: 6px var(--space-1);
  background: var(--color-surface-deep);
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.page-partners-modes .pm-modes-lede p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-partners-modes .pm-modes-lede p:last-child {
  margin-bottom: 0;
  color: var(--color-ink-soft);
}

.page-partners-modes .pm-columns {
  display: grid;
  gap: var(--space-3);
}

.page-partners-modes .pm-col {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  overflow: hidden;
}

.page-partners-modes .pm-col-head {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-3) var(--space-2);
}

.page-partners-modes .pm-col-idx {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-contrast-accent);
  margin-bottom: var(--space-1);
}

.page-partners-modes .pm-col-head h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-partners-modes .pm-col-head p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

.page-partners-modes .pm-entries {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-partners-modes .pm-entry {
  padding: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  transition: background-color 150ms ease-out;
}

.page-partners-modes .pm-entry:first-child {
  border-top: 0;
}

.page-partners-modes .pm-entry:hover {
  background: var(--color-primary-soft);
}

.page-partners-modes .pm-entry-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.page-partners-modes .pm-entry-code {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.page-partners-modes .pm-entry-head h4 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-ink);
}

.page-partners-modes .pm-entry-fields {
  margin: 0;
  display: grid;
  gap: var(--space-1);
}

.page-partners-modes .pm-field {
  display: grid;
  gap: 2px;
}

.page-partners-modes .pm-field dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-partners-modes .pm-field dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink);
}

/* ---------- 授权与署名规则 ---------- */
.page-partners-modes .pm-rules {
  padding: var(--space-6) 0;
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-partners-modes .pm-rules-inner {
  display: grid;
  gap: var(--space-4);
}

.page-partners-modes .pm-rule-list {
  list-style: none;
  margin: 0 0 var(--space-3);
  padding: 0;
  counter-reset: none;
}

.page-partners-modes .pm-rule-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-partners-modes .pm-rule-list li:first-child {
  border-top: calc(var(--border-thick) * 2) solid var(--color-ink);
}

.page-partners-modes .pm-rule-idx {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
  border: var(--border-thin) solid currentColor;
  border-radius: var(--radius-sm);
  padding: 2px 0;
  text-align: center;
}

.page-partners-modes .pm-rule-list p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  max-width: 62ch;
}

.page-partners-modes .pm-rules-note {
  margin: 0;
  padding: var(--space-2);
  background: var(--color-highlight);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink);
  max-width: 62ch;
}

.page-partners-modes .pm-rules-figure {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-contrast-surface);
}

.page-partners-modes .pm-rules-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.8);
}

/* ---------- 结算与退出（深色） ---------- */
.page-partners-modes .pm-cycle {
  padding: var(--space-6) 0;
  color: var(--color-contrast-ink);
  border-top: calc(var(--border-thick) * 2) solid var(--color-contrast-line);
  border-bottom: calc(var(--border-thick) * 2) solid var(--color-contrast-line);
}

.page-partners-modes .pm-cycle-inner {
  display: grid;
  gap: var(--space-4);
}

.page-partners-modes .pm-head-dark h2 {
  color: var(--color-contrast-ink);
}

.page-partners-modes .pm-head-dark .pm-head-note {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

.page-partners-modes .pm-nodes {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-1);
}

.page-partners-modes .pm-nodes li {
  position: relative;
  padding-top: var(--space-3);
}

.page-partners-modes .pm-nodes li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--border-thin);
  background: var(--color-contrast-line);
}

.page-partners-modes .pm-nodes li::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-contrast-accent);
}

.page-partners-modes .pm-nodes li:nth-child(3)::after,
.page-partners-modes .pm-nodes li:nth-child(4)::after {
  background: var(--color-primary);
}

.page-partners-modes .pm-nodes span {
  display: block;
  font-size: var(--text-xs);
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-partners-modes .pm-cycle-rules {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-partners-modes .pm-cycle-rules li {
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-base);
  line-height: 1.62;
  color: color-mix(in srgb, var(--color-contrast-ink) 90%, transparent);
  max-width: 66ch;
}

.page-partners-modes .pm-cycle-rules li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-partners-modes .pm-cycle-figure {
  margin: 0;
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-contrast-surface);
}

.page-partners-modes .pm-cycle-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.85);
}

.page-partners-modes .pm-cycle-figure .figure-caption {
  background: var(--color-contrast-surface);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

/* ---------- 相邻入口 ---------- */
.page-partners-modes .pm-next {
  padding: var(--space-6) 0 var(--space-8);
}

.page-partners-modes .pm-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: calc(var(--border-thick) * 2) solid var(--color-ink);
}

.page-partners-modes .pm-next-list li {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-partners-modes .pm-next-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px var(--space-2);
  padding: var(--space-2) 0;
  text-decoration: none;
  transition: background-color 150ms ease-out, padding-left 150ms ease-out;
}

.page-partners-modes .pm-next-list a:hover,
.page-partners-modes .pm-next-list a:focus-visible {
  background: var(--color-primary-soft);
  padding-left: var(--space-1);
}

.page-partners-modes .pm-next-kicker {
  grid-column: 1 / -1;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-partners-modes .pm-next-title {
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--color-ink);
}

.page-partners-modes .pm-next-arrow {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-accent);
  align-self: center;
}

.page-partners-modes a:focus-visible,
.page-partners-modes button:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-partners-modes .pm-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .page-partners-modes .pm-modes-top {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: var(--space-4);
    align-items: end;
  }

  .page-partners-modes .pm-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-partners-modes .pm-rules-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-partners-modes .pm-cycle-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-4);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-partners-modes .pm-band-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-partners-modes .pm-title {
    font-size: var(--text-4xl);
  }

  .page-partners-modes .pm-metrics .metric-value {
    font-size: var(--text-4xl);
  }

  .page-partners-modes .pm-nodes span {
    font-size: var(--text-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-partners-modes .pm-entry,
  .page-partners-modes .pm-next-list a {
    transition: none;
  }
}