.page-downloads-docs {
  --docs-rail-w: 96px;
  --docs-rail-gap: var(--space-6);
}

/* ---------- 面包屑 ---------- */
.page-downloads-docs .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) 0 var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-downloads-docs .crumb-link {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-downloads-docs .crumb-sep {
  color: var(--color-line);
}

.page-downloads-docs .crumb-current {
  color: var(--color-ink);
  font-weight: 700;
}

/* ---------- 页头 ---------- */
.page-downloads-docs .docs-head {
  padding-bottom: var(--space-6);
  border-bottom: var(--border-thick) solid var(--color-ink);
}

.page-downloads-docs .docs-head-inner {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .page-downloads-docs .docs-head-inner {
    grid-template-columns: minmax(0, 1fr) 372px;
    gap: var(--space-6);
    align-items: end;
  }
}

.page-downloads-docs .docs-head-copy .kicker {
  margin: 0;
}

.page-downloads-docs .docs-head-copy h1 {
  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);
  max-width: 20ch;
}

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

.page-downloads-docs .docs-head-note {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-downloads-docs .docs-head-note .num {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

.page-downloads-docs .docs-head-figure {
  margin: 0;
  padding: var(--space-2);
  background: var(--color-surface-alt);
  border: var(--border-thick) solid var(--color-ink);
}

.page-downloads-docs .docs-head-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-downloads-docs .docs-head-caption {
  margin-top: var(--space-2);
  padding-top: var(--space-1);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 两栏骨架：左侧编号刻度栏 ---------- */
.page-downloads-docs .docs-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding-top: var(--space-6);
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-downloads-docs .docs-layout {
    grid-template-columns: var(--docs-rail-w) minmax(0, 1fr);
    gap: var(--docs-rail-gap);
    padding-top: var(--space-8);
  }
}

.page-downloads-docs .docs-rail {
  min-width: 0;
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
  padding: var(--space-2) 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-downloads-docs .docs-rail-inner {
  min-width: 0;
}

.page-downloads-docs .docs-rail-list {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 1000px) {
  .page-downloads-docs .docs-rail {
    position: sticky;
    top: var(--space-4);
    align-self: start;
    border-top: none;
    border-bottom: none;
    border-left: var(--border-thin) solid var(--color-line);
    padding: 0 0 0 var(--space-3);
    overflow: visible;
    max-height: calc(100vh - var(--space-8));
  }

  .page-downloads-docs .docs-rail-list {
    flex-direction: column;
    gap: var(--space-3);
  }
}

.page-downloads-docs .docs-rail-link {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  white-space: nowrap;
  text-decoration: none;
  color: var(--color-ink-muted);
  border-left: var(--border-thick) solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

@media (min-width: 1000px) {
  .page-downloads-docs .docs-rail-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    margin-left: calc(var(--space-3) * -1 - var(--border-thin));
    padding: 0 0 0 var(--space-2);
    white-space: normal;
  }
}

.page-downloads-docs .docs-rail-link:hover,
.page-downloads-docs .docs-rail-link:focus-visible {
  color: var(--color-ink);
  border-left-color: var(--color-primary);
}

.page-downloads-docs .docs-rail-link[aria-current="true"] {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.page-downloads-docs .rail-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
}

.page-downloads-docs .rail-text {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  line-height: 1.3;
}

/* ---------- 正文主体 ---------- */
.page-downloads-docs .docs-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  min-width: 0;
  max-width: var(--measure);
}

@media (min-width: 1000px) {
  .page-downloads-docs .docs-body {
    max-width: none;
  }
}

.page-downloads-docs .docs-section {
  scroll-margin-top: var(--space-4);
}

.page-downloads-docs .docs-sec-head {
  position: relative;
  padding-left: var(--space-3);
  margin-bottom: var(--space-3);
}

.page-downloads-docs .docs-sec-head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 6px;
  background: var(--color-primary);
}

.page-downloads-docs .docs-sec-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-downloads-docs .docs-sec-head h2 {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 22ch;
}

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

/* ---------- 编号示例 ---------- */
.page-downloads-docs .num-sample-wrap {
  padding: var(--space-4);
  background: var(--color-primary-soft);
  border-left: var(--border-thick) solid var(--color-primary);
}

.page-downloads-docs .num-sample-label {
  margin: 0;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
}

.page-downloads-docs .num-sample {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.page-downloads-docs .num-seg {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: 0.1em;
  color: var(--color-primary-ink);
}

.page-downloads-docs .num-seg--a {
  background: var(--color-primary);
}

.page-downloads-docs .num-seg--b {
  background: var(--color-accent);
}

.page-downloads-docs .num-seg--c {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
}

.page-downloads-docs .num-dash {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-ink-muted);
}

.page-downloads-docs .num-sample-legend {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-downloads-docs .num-sample-legend li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: var(--space-2);
  align-items: start;
}

.page-downloads-docs .num-sample-legend b {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

.page-downloads-docs .legend-swatch {
  width: 14px;
  height: 14px;
  margin-top: 5px;
}

.page-downloads-docs .legend-swatch--a {
  background: var(--color-primary);
}

.page-downloads-docs .legend-swatch--b {
  background: var(--color-accent);
}

.page-downloads-docs .legend-swatch--c {
  background: var(--color-contrast-surface);
}

/* ---------- 六条说明条目 ---------- */
.page-downloads-docs .doc-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-downloads-docs .doc-group-title {
  align-self: flex-start;
  margin: 0;
  padding: var(--space-1) var(--space-3);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.1em;
}

.page-downloads-docs .doc-group--b .doc-group-title {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-downloads-docs .doc-entry {
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-downloads-docs .doc-entry-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.page-downloads-docs .doc-entry-mark {
  flex: none;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  transform: translateY(1px);
}

.page-downloads-docs .doc-group--b .doc-entry-mark {
  background: var(--color-accent);
}

.page-downloads-docs .doc-entry-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-downloads-docs .doc-entry-desc {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-downloads-docs .doc-entry-meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  margin: var(--space-3) 0 0;
  padding: var(--space-2) 0 0;
  border-top: var(--border-thin) dashed var(--color-line);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
}

.page-downloads-docs .doc-entry-meta dt {
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-downloads-docs .doc-entry-meta dd {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-downloads-docs .doc-link {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  font-weight: 700;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-downloads-docs .doc-link:hover,
.page-downloads-docs .doc-link:focus-visible {
  color: var(--color-focus);
  border-bottom-color: var(--color-focus);
}

.page-downloads-docs .doc-cut {
  height: 12px;
  margin: var(--space-3) 0;
  background: var(--color-primary);
  clip-path: polygon(0 0, 100% 0, 94% 100%, 0% 100%);
}

/* ---------- 字段对照 ---------- */
.page-downloads-docs .docs-inline-figure {
  margin: 0 0 var(--space-4);
  padding: var(--space-2);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-ink);
}

.page-downloads-docs .docs-inline-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-downloads-docs .docs-inline-caption {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-downloads-docs .field-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thick) solid var(--color-ink);
}

.page-downloads-docs .field-row {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

@media (min-width: 760px) {
  .page-downloads-docs .field-row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
  }
}

.page-downloads-docs .field-term {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.page-downloads-docs .field-right {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-downloads-docs .field-wrong {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-accent);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-downloads-docs .field-wrong-label {
  display: inline-block;
  margin-right: var(--space-1);
  color: var(--color-accent);
  font-weight: 700;
}

/* ---------- 折叠字段示例 ---------- */
.page-downloads-docs .accordion {
  margin-top: var(--space-4);
}

.page-downloads-docs .accordion-item {
  border: var(--border-thin) solid var(--color-line);
  border-top: var(--border-thick) solid var(--color-contrast-surface);
  background: var(--color-surface-alt);
}

.page-downloads-docs .accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3);
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  text-align: left;
  color: var(--color-ink);
  cursor: pointer;
}

.page-downloads-docs .accordion-trigger:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: -3px;
}

.page-downloads-docs .accordion-mark {
  flex: none;
  width: 14px;
  height: 14px;
  background: var(--color-primary);
}

.page-downloads-docs .accordion-trigger[aria-expanded="true"] .accordion-mark {
  background: var(--color-accent);
}

.page-downloads-docs .accordion-content {
  padding: 0 var(--space-3) var(--space-3);
}

.page-downloads-docs .sample-dl {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-1) var(--space-3);
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
}

.page-downloads-docs .sample-dl dt {
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-downloads-docs .sample-dl dd {
  margin: 0;
  color: var(--color-ink);
}

.page-downloads-docs .sample-dl dd.num {
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
  letter-spacing: 0.06em;
}

.page-downloads-docs .sample-note {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) dashed var(--color-line);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 适用对象 ---------- */
.page-downloads-docs .audience-list {
  display: grid;
  gap: var(--space-3);
  margin: 0 0 var(--space-4);
  padding: 0;
  list-style: none;
}

@media (min-width: 820px) {
  .page-downloads-docs .audience-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    align-items: start;
  }

  .page-downloads-docs .audience-item:nth-child(2) {
    margin-top: var(--space-6);
  }
}

.page-downloads-docs .audience-item {
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-downloads-docs .audience-item:nth-child(2) {
  border-top-color: var(--color-ink);
}

.page-downloads-docs .audience-item:nth-child(3) {
  border-top-color: var(--color-accent);
}

.page-downloads-docs .audience-item-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-downloads-docs .audience-item-desc {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-downloads-docs .audience-item-tag {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-1);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

/* ---------- 深色获取面板 ---------- */
.page-downloads-docs .get-panel {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

@media (min-width: 860px) {
  .page-downloads-docs .get-panel {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: var(--space-4);
    align-items: start;
  }
}

.page-downloads-docs .get-panel-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-downloads-docs .get-panel-copy p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-downloads-docs .get-panel-line {
  font-size: var(--text-sm) !important;
  color: var(--color-contrast-ink);
}

.page-downloads-docs .get-panel-line .num {
  font-family: var(--font-mono);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-accent);
  letter-spacing: 0.04em;
}

.page-downloads-docs .get-panel-hint {
  margin: var(--space-3) 0 0 !important;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-xs) !important;
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-downloads-docs .get-panel-figure {
  margin: 0;
  padding: var(--space-1);
  border: var(--border-thin) solid var(--color-contrast-line);
}

.page-downloads-docs .get-panel-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 相邻入口 ---------- */
.page-downloads-docs .next-grid {
  display: grid;
  gap: var(--space-2);
}

@media (min-width: 760px) {
  .page-downloads-docs .next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
  }
}

.page-downloads-docs .next-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thick) solid var(--color-ink);
  text-decoration: none;
  background: var(--color-surface);
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.page-downloads-docs .next-card:hover,
.page-downloads-docs .next-card:focus-visible {
  transform: translateY(-6px);
  border-color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.page-downloads-docs .next-card-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-downloads-docs .next-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-downloads-docs .next-card-note {
  margin-top: auto;
  padding-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 页末刻度 ---------- */
.page-downloads-docs .docs-ruler {
  height: 14px;
  border-bottom: var(--border-thin) solid var(--color-line);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-ink-muted) 0 2px,
    transparent 2px 20px
  );
  background-size: 100% 8px;
  background-repeat: repeat-x;
  background-position: bottom left;
}

/* ---------- 焦点可见性 ---------- */
.page-downloads-docs a:focus-visible,
.page-downloads-docs button:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-downloads-docs .next-card,
  .page-downloads-docs .docs-rail-link,
  .page-downloads-docs .doc-link {
    transition: none;
  }

  .page-downloads-docs .next-card:hover,
  .page-downloads-docs .next-card:focus-visible {
    transform: none;
  }
}