.page-downloads-docs {
  --docs-idx-w: 2.5rem;
  --docs-field-w: 6.5rem;
}

/* ---------- 面包屑 ---------- */
.page-downloads-docs .docs-crumb {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-downloads-docs .docs-crumb a {
  color: var(--color-ink-muted);
  text-decoration: none;
  transition: color 200ms ease;
}

.page-downloads-docs .docs-crumb a:hover,
.page-downloads-docs .docs-crumb a:focus-visible {
  color: var(--color-primary);
}

/* ---------- 首屏头部 ---------- */
.page-downloads-docs .docs-head {
  padding-top: var(--space-4);
  padding-bottom: var(--space-6);
}

.page-downloads-docs .docs-head h1 {
  margin: var(--space-2) 0 0;
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-downloads-docs .docs-head .lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-downloads-docs .docs-head-points {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-downloads-docs .docs-head-points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-soft);
}

.page-downloads-docs .docs-head-num {
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  line-height: 1.1;
  white-space: nowrap;
}

/* ---------- 区块与标题 ---------- */
.page-downloads-docs .docs-block {
  padding-top: var(--space-6);
}

.page-downloads-docs .docs-h2,
.page-downloads-docs .docs-h3 {
  margin: 0;
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-downloads-docs .docs-h2 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.page-downloads-docs .docs-h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.page-downloads-docs .docs-block p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-downloads-docs .docs-block p + p {
  margin-top: var(--space-2);
}

/* ---------- 清单总览 ---------- */
.page-downloads-docs .docs-overview-grid {
  display: grid;
  gap: var(--space-4);
}

.page-downloads-docs .docs-overview-text {
  min-width: 0;
}

.page-downloads-docs .docs-overview-bound {
  margin-top: var(--space-3);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-highlight);
}

.page-downloads-docs .docs-overview-figure,
.page-downloads-docs .docs-core-figure,
.page-downloads-docs .docs-cadence-figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

.page-downloads-docs .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 清单条目 ---------- */
.page-downloads-docs .docs-subhead {
  margin: var(--space-5) 0 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-downloads-docs .docs-subhead::after {
  content: "";
  flex: 1;
  height: var(--border-thin);
  background: var(--color-line);
}

.page-downloads-docs .docs-subhead-num {
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

.page-downloads-docs .docs-subhead--aux {
  margin-top: var(--space-6);
}

.page-downloads-docs .docs-core-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.page-downloads-docs .docs-list {
  min-width: 0;
  display: grid;
  gap: var(--space-1);
}

.page-downloads-docs .docs-list--aux {
  margin-top: var(--space-3);
}

.page-downloads-docs .doc-item {
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-2);
  background: transparent;
  transition: background-color 240ms ease;
}

.page-downloads-docs .doc-item + .doc-item {
  margin-top: var(--space-2);
}

.page-downloads-docs .doc-item:hover {
  background: var(--color-surface-alt);
}

.page-downloads-docs .doc-item[open] {
  background: var(--color-surface-alt);
}

.page-downloads-docs .doc-summary {
  display: grid;
  grid-template-columns: var(--docs-idx-w) minmax(0, 1fr) auto;
  gap: var(--space-1) var(--space-2);
  align-items: start;
  cursor: pointer;
  list-style: none;
  border-radius: var(--radius-sm);
}

.page-downloads-docs .doc-summary::-webkit-details-marker {
  display: none;
}

.page-downloads-docs .doc-summary::marker {
  content: "";
}

.page-downloads-docs .doc-summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

.page-downloads-docs .doc-idx {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-ink-muted);
  line-height: 1.6;
  transition: color 240ms ease;
}

.page-downloads-docs .doc-item[open] .doc-idx {
  color: var(--color-accent);
}

.page-downloads-docs .doc-main {
  display: block;
  min-width: 0;
}

.page-downloads-docs .doc-name {
  display: block;
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.35;
  color: var(--color-ink);
}

.page-downloads-docs .doc-type {
  display: inline-block;
  margin-top: var(--space-1);
  padding: 1px var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-sm);
}

.page-downloads-docs .doc-brief {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-downloads-docs .doc-hint {
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  color: var(--color-ink-muted);
  white-space: nowrap;
  line-height: 1.8;
}

.page-downloads-docs .doc-hint--less {
  display: none;
}

.page-downloads-docs .doc-item[open] .doc-hint--more {
  display: none;
}

.page-downloads-docs .doc-item[open] .doc-hint--less {
  display: inline;
}

.page-downloads-docs .doc-fields {
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  animation: docs-reveal 260ms ease-out;
}

@keyframes docs-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-downloads-docs .doc-field {
  display: grid;
  gap: var(--space-1);
}

.page-downloads-docs .doc-field dt {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-downloads-docs .doc-field dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink);
}

/* ---------- 校订节奏 ---------- */
.page-downloads-docs .docs-cadence-lede {
  margin-bottom: var(--space-4);
}

.page-downloads-docs .cadence-track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
}

.page-downloads-docs .cadence-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: var(--border-thin);
  background: var(--color-line);
}

.page-downloads-docs .cadence-node {
  position: relative;
  padding-top: var(--space-6);
  min-width: 0;
}

.page-downloads-docs .cadence-node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: var(--border-thin);
  height: var(--space-4);
  background: var(--color-line);
}

.page-downloads-docs .cadence-time {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  line-height: 1.2;
}

.page-downloads-docs .cadence-label {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink);
}

.page-downloads-docs .cadence-desc {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-soft);
  max-width: none;
}

.page-downloads-docs .docs-cadence-note {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-4);
}

.page-downloads-docs .docs-cadence-note-text p {
  max-width: var(--measure);
}

/* ---------- 获取方式 ---------- */
.page-downloads-docs .docs-access-grid {
  display: grid;
  gap: var(--space-3);
}

.page-downloads-docs .docs-access-cell {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  min-width: 0;
}

.page-downloads-docs .docs-access-cell:nth-child(odd) {
  background: var(--color-surface-alt);
}

.page-downloads-docs .docs-access-cell:nth-child(even) {
  background: var(--color-surface-deep);
}

.page-downloads-docs .docs-access-cell p {
  max-width: none;
}

.page-downloads-docs .docs-access-cell a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-downloads-docs .docs-access-contact {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-accent);
  word-break: break-word;
}

/* ---------- 收束 ---------- */
.page-downloads-docs .docs-next {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-downloads-docs .docs-next li {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-downloads-docs .docs-next li:first-child {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-downloads-docs .docs-next-link {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: color 200ms ease;
}

.page-downloads-docs .docs-next-link:hover,
.page-downloads-docs .docs-next-link:focus-visible {
  color: var(--color-focus);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-downloads-docs .docs-next-desc {
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-downloads-docs .docs-outro {
  padding-bottom: var(--space-8);
}

/* ---------- 响应式 ---------- */
@media (min-width: 520px) {
  .page-downloads-docs .doc-field {
    grid-template-columns: var(--docs-field-w) minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }

  .page-downloads-docs .doc-field dt {
    text-align: left;
  }
}

@media (min-width: 720px) {
  .page-downloads-docs .docs-block {
    padding-top: var(--space-8);
  }

  .page-downloads-docs .docs-head {
    padding-top: var(--space-6);
    padding-bottom: var(--space-8);
  }

  .page-downloads-docs .docs-head-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-downloads-docs .cadence-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-downloads-docs .docs-access-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-downloads-docs .doc-item {
    padding: var(--space-3);
  }
}

@media (min-width: 900px) {
  .page-downloads-docs .docs-head h1 {
    font-size: var(--text-4xl);
  }

  .page-downloads-docs .docs-overview-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-6);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-downloads-docs .docs-core-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-6);
    align-items: start;
  }

  .page-downloads-docs .docs-cadence-note {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-downloads-docs .docs-cadence-note-text {
    grid-column: 1;
  }

  .page-downloads-docs .docs-cadence-figure {
    grid-column: 2;
  }
}

@media (min-width: 1200px) {
  .page-downloads-docs .docs-core-grid {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-downloads-docs .doc-fields {
    animation: none;
  }

  .page-downloads-docs .doc-item,
  .page-downloads-docs .doc-idx,
  .page-downloads-docs .docs-next-link {
    transition: none;
  }
}

.page-downloads-docs {
  --space-5: var(--space-8);
}