/* ===== 协作生态 /partners/ 页面专属样式 ===== */
.page-partners {
  --partners-num-col: var(--space-8);
  --partners-key-col: calc(var(--space-8) + var(--space-2));
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-partners .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-partners .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
}

.page-partners .breadcrumb a:hover,
.page-partners .breadcrumb a:focus-visible {
  border-bottom-color: var(--color-primary);
  color: var(--color-ink);
}

.page-partners .breadcrumb__sep {
  color: var(--color-line);
}

/* ---------- 首屏 ---------- */
.page-partners .partners-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-partners .partners-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    color-mix(in srgb, var(--color-contrast-line) 62%, transparent) 0,
    color-mix(in srgb, var(--color-contrast-line) 62%, transparent) 1px,
    transparent 1px,
    transparent 8px
  );
  opacity: 0.34;
}

.page-partners .partners-hero > .container {
  position: relative;
  z-index: 1;
}

.page-partners .partners-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding-top: var(--space-6);
  padding-bottom: var(--space-6);
}

.page-partners .partners-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-contrast-accent);
}

.page-partners .partners-hero__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: 0.02em;
  color: var(--color-contrast-ink);
}

.page-partners .partners-hero__sub {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.62;
  color: var(--color-contrast-ink);
}

.page-partners .partners-hero__note {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

.page-partners .partners-hero__counts {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-partners .partners-hero__count {
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
}

.page-partners .partners-hero__tick {
  display: block;
  width: var(--space-6);
  height: var(--border-thin);
  margin-bottom: var(--space-2);
  background: var(--color-contrast-line);
}

.page-partners .partners-hero__figure {
  display: block;
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-partners .partners-hero__unit {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-partners .partners-hero__desc {
  display: block;
  margin-top: var(--space-1);
  max-width: 26ch;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
}

.page-partners .partners-hero__band {
  display: block;
  position: relative;
  z-index: 1;
  background: var(--color-highlight);
  color: var(--color-ink);
  border-top: var(--border-thick) solid var(--color-accent);
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.page-partners .partners-hero__band:hover,
.page-partners .partners-hero__band:focus-visible {
  background: color-mix(in srgb, var(--color-highlight) 74%, var(--color-accent));
}

.page-partners .partners-hero__band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.page-partners .partners-hero__band-label {
  padding: 0 var(--space-1);
  border: var(--border-thin) solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--color-accent) 82%, var(--color-ink));
}

.page-partners .partners-hero__band-text {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
}

/* ---------- 通用标题组 ---------- */
.page-partners .partners-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-partners .partners-head__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-partners .partners-head__num--deep {
  color: var(--color-contrast-accent);
}

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

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

/* ---------- 图片通用 ---------- */
.page-partners .figure {
  margin: 0 0 var(--space-6);
}

.page-partners .figure__frame {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-partners .figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-partners .figure__tag {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

/* ---------- 四类协作方式 ---------- */
.page-partners .partners-cats {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background: var(--color-surface);
}

.page-partners .partners-cats__figure {
  margin-bottom: var(--space-6);
}

.page-partners .partners-cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-partners .partners-cat {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border-top: var(--border-thick) solid var(--color-primary);
  background: var(--color-surface-alt);
}

.page-partners .partners-cat:nth-child(2) {
  background: var(--color-primary-soft);
  border-top-color: var(--color-primary);
}

.page-partners .partners-cat:nth-child(3) {
  background: var(--color-surface-deep);
  border-top-color: var(--color-accent);
}

.page-partners .partners-cat:nth-child(4) {
  background: var(--color-primary-soft);
  border-top-color: var(--color-accent);
}

.page-partners .partners-cat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-primary) 84%, var(--color-ink));
}

.page-partners .partners-cat__title {
  margin: var(--space-1) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-partners .partners-cat__text {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

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

.page-partners .partners-cat__list li {
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-partners .partners-cat__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--color-accent) 86%, var(--color-ink));
}

.page-partners .partners-cat__figure {
  margin: 0;
}

/* ---------- 条目目录 ---------- */
.page-partners .partners-directory {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background: var(--color-surface-alt);
  border-top: var(--border-thick) solid var(--color-line);
}

.page-partners .partners-dir-group {
  margin-bottom: var(--space-8);
}

.page-partners .partners-dir-group:last-child {
  margin-bottom: 0;
}

.page-partners .partners-dir-group__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thick) solid var(--color-primary);
}

.page-partners .partners-dir-group__num {
  font-size: var(--text-lg);
  color: var(--color-accent);
}

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

.page-partners .partners-dir-group__count {
  margin-left: auto;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-partners .partners-dir-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-partners .entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-2) var(--space-4) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thick) solid transparent;
  outline: none;
  transition: background-color 0.2s ease, border-left-color 0.2s ease;
}

.page-partners .entry:hover,
.page-partners .entry:focus-within {
  background: color-mix(in srgb, var(--color-highlight) 34%, transparent);
  border-left-color: var(--color-primary);
}

.page-partners .entry:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: calc(-1 * var(--border-thin));
}

.page-partners .entry__num {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: color-mix(in srgb, var(--color-primary) 88%, var(--color-ink));
}

.page-partners .entry__title {
  margin: 0 0 var(--space-1);
  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 .entry__desc {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.62;
  color: var(--color-ink-soft);
}

.page-partners .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  margin: 0;
}

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

.page-partners .entry__fields {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
}

.page-partners .entry__field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-partners .entry__field dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-accent) 78%, var(--color-ink));
}

.page-partners .entry__field dd {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
}

/* ---------- 行为边界 ---------- */
.page-partners .partners-rules {
  position: relative;
  overflow: hidden;
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-partners .partners-rules::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    color-mix(in srgb, var(--color-contrast-line) 55%, transparent) 0,
    color-mix(in srgb, var(--color-contrast-line) 55%, transparent) 1px,
    transparent 1px,
    transparent 9px
  );
  opacity: 0.3;
}

.page-partners .partners-rules > .container {
  position: relative;
  z-index: 1;
}

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

.page-partners .partners-rules__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-partners .partners-rules__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-partners .partners-rules__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-partners .partners-rules__list li {
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
}

.page-partners .partners-rules__list li:nth-child(even) {
  border-left-color: var(--color-primary);
}

.page-partners .partners-rules__item-title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-partners .partners-rules__item-text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-partners .partners-rules__item-text a {
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-contrast-accent) 55%, transparent);
}

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

/* ---------- 退出与记录 ---------- */
.page-partners .partners-exit {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
  background: var(--color-surface);
}

.page-partners .partners-exit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-partners .partners-exit__item {
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
}

.page-partners .partners-exit__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

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

.page-partners .partners-exit__foot {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thick) solid var(--color-line);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-partners .partners-exit__foot a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 50%, transparent);
}

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

/* ---------- 申请入口 ---------- */
.page-partners .partners-apply {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y-lg);
  background: var(--color-primary-soft);
  border-top: var(--border-thick) solid var(--color-primary);
}

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

.page-partners .partners-apply__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-partners .partners-apply__text {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-partners .partners-apply__mail {
  margin: 0 0 var(--space-2);
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-accent);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-partners .partners-apply__mail a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 55%, transparent);
  word-break: break-all;
}

.page-partners .partners-apply__mail a:hover,
.page-partners .partners-apply__mail a:focus-visible {
  border-bottom-color: var(--color-accent);
}

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

.page-partners .partners-apply__note a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 50%, transparent);
}

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

.page-partners .partners-apply__aside {
  padding: var(--space-4);
  background: var(--color-surface);
  border-top: var(--border-thick) solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
}

.page-partners .partners-apply__aside-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-partners .partners-apply__steps {
  margin: 0;
  padding-left: var(--space-3);
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-ink-soft);
}

.page-partners .partners-apply__steps li::marker {
  font-family: var(--font-mono);
  color: var(--color-accent);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-partners .partners-hero__counts {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }

  .page-partners .partners-exit__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-partners .entry {
    grid-template-columns: var(--partners-num-col) 1fr;
    gap: var(--space-3);
  }

  .page-partners .entry__field {
    grid-template-columns: var(--partners-key-col) 1fr;
    gap: var(--space-2);
  }

  .page-partners .entry__field dt {
    padding-top: 0.3em;
  }
}

@media (min-width: 960px) {
  .page-partners .partners-hero__grid {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-8);
    padding-top: var(--section-y-lg);
    padding-bottom: var(--section-y);
  }

  .page-partners .partners-hero__counts {
    align-self: end;
  }

  .page-partners .partners-head {
    margin-bottom: var(--space-8);
  }

  .page-partners .partners-cats__figure {
    margin-bottom: var(--space-8);
  }

  .page-partners .partners-cat {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: var(--space-6);
    padding: var(--space-8) var(--space-6);
  }

  .page-partners .partners-cat--tool {
    grid-template-columns: 1fr;
  }

  .page-partners .partners-cat--tool .partners-cat__body {
    column-count: 2;
    column-gap: var(--space-8);
  }

  .page-partners .partners-rules__grid {
    grid-template-columns: 4fr 8fr;
    gap: var(--space-8);
  }

  .page-partners .partners-rules__lead {
    position: sticky;
    top: var(--space-8);
    align-self: start;
  }

  .page-partners .partners-apply__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .page-partners .entry__fields {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.22s ease, margin-top 0.3s ease;
  }

  .page-partners .entry:hover .entry__fields,
  .page-partners .entry:focus-within .entry__fields {
    max-height: 26rem;
    margin-top: var(--space-3);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-partners .entry,
  .page-partners .entry__fields,
  .page-partners .partners-hero__band {
    transition: none;
  }
}