.page-downloads-docs {
  --docs-rail-w: 96px;
  --docs-field-col: 76px;
  background: var(--color-surface);
  color: var(--color-ink);
}

.page-downloads-docs [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-downloads-docs .docs-head {
  position: relative;
  padding: var(--space-6) 0 var(--space-6);
  border-bottom: var(--border-thick) solid var(--color-line);
  overflow: hidden;
}

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

.page-downloads-docs .docs-head__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(var(--text-xl), 7vw, var(--text-3xl));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: var(--space-3) 0 var(--space-3);
  max-width: 18ch;
}

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

.page-downloads-docs .docs-head__note {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  border-left: calc(var(--border-thin) * 3) solid var(--color-primary);
  padding-left: var(--space-3);
  margin: 0;
}

.page-downloads-docs .docs-head__geo {
  position: relative;
  height: 150px;
}

.page-downloads-docs .docs-head__circle {
  position: absolute;
  right: 0;
  top: 0;
  width: 132px;
  height: 132px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-downloads-docs .docs-head__square {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 92px;
  height: 92px;
  background: var(--color-accent);
}

.page-downloads-docs .docs-head__half {
  position: absolute;
  right: 104px;
  bottom: 0;
  width: 116px;
  height: 58px;
  border-radius: var(--radius-pill) var(--radius-pill) 0 0;
  background: var(--color-contrast-surface);
}

/* ---------- 编号列 + 长文双栏 ---------- */
.page-downloads-docs .docs-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-6);
  padding-bottom: var(--section-y-lg);
}

.page-downloads-docs .docs-rail {
  position: static;
  align-self: start;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
}

.page-downloads-docs .docs-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-downloads-docs .docs-rail__link {
  display: block;
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
  color: inherit;
  text-decoration: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid transparent;
}

.page-downloads-docs .docs-rail__link:hover,
.page-downloads-docs .docs-rail__link:focus-visible {
  background: var(--color-primary-ink);
  color: var(--color-primary);
}

.page-downloads-docs .docs-rail__label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-downloads-docs .docs-article {
  max-width: var(--measure);
  min-width: 0;
}

/* ---------- 区块 ---------- */
.page-downloads-docs .docs-block {
  padding: var(--space-6) 0;
}

.page-downloads-docs .docs-block + .docs-block {
  border-top: var(--border-thick) solid var(--color-line);
}

.page-downloads-docs .docs-block__head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.page-downloads-docs .docs-block__head h2 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: 0;
}

.page-downloads-docs .docs-article p {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

.page-downloads-docs .docs-subhead {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin: var(--space-4) 0 var(--space-2);
}

/* ---------- 图片 ---------- */
.page-downloads-docs .docs-figure {
  margin: 0 0 var(--space-4);
}

.page-downloads-docs .docs-figure img,
.page-downloads-docs .docs-limits__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 0;
}

.page-downloads-docs .docs-figure--wide img {
  max-height: 280px;
  object-fit: cover;
}

/* ---------- 字段定义 ---------- */
.page-downloads-docs .docs-fields {
  margin: 0 0 var(--space-4);
  border-top: var(--border-thick) solid var(--color-contrast-surface);
}

.page-downloads-docs .docs-fields__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

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

.page-downloads-docs .docs-fields dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.62;
  color: var(--color-ink);
}

/* ---------- 编号段折叠块 ---------- */
.page-downloads-docs .docs-segs {
  display: grid;
  gap: 0;
}

.page-downloads-docs .docs-seg {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-downloads-docs .docs-seg .fold__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  cursor: pointer;
  list-style: none;
}

.page-downloads-docs .docs-seg .fold__head::-webkit-details-marker {
  display: none;
}

.page-downloads-docs .docs-seg .fold__head::marker {
  content: "";
}

.page-downloads-docs .docs-seg .fold__body {
  padding: 0 0 var(--space-4) 0;
}

.page-downloads-docs .docs-seg .fold__body p {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.75;
}

.page-downloads-docs .docs-seg__dot {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-downloads-docs .docs-seg__dot--archived {
  background: var(--color-ink-muted);
}

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

.page-downloads-docs .docs-seg__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.3;
  color: var(--color-ink);
  margin-right: auto;
}

/* ---------- 示例条目 ---------- */
.page-downloads-docs .docs-filter {
  margin-top: var(--space-3);
}

.page-downloads-docs .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.page-downloads-docs .filter-btn {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  padding: var(--space-1) var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: background-color 120ms linear, color 120ms linear, border-color 120ms linear;
}

.page-downloads-docs .filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.page-downloads-docs .filter-btn:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 2px;
}

.page-downloads-docs .idx-list {
  display: grid;
  gap: 0;
}

.page-downloads-docs .idx-card {
  padding: var(--space-4) 0;
  border-bottom: calc(var(--border-thin) * 3) double var(--color-line);
}

.page-downloads-docs .idx-card__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin: 0 0 var(--space-1);
}

.page-downloads-docs .idx-card__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.32;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-downloads-docs .idx-card__fields {
  margin: var(--space-3) 0 0;
  display: grid;
  gap: var(--space-1);
}

.page-downloads-docs .idx-card__fields > div {
  display: grid;
  grid-template-columns: var(--docs-field-col) minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
  padding-bottom: var(--space-1);
  border-bottom: var(--border-thin) dotted var(--color-line);
}

.page-downloads-docs .idx-card__fields > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-downloads-docs .idx-card__fields dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-downloads-docs .idx-card__fields dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.62;
  color: var(--color-ink-soft);
}

/* ---------- 边界区块 ---------- */
.page-downloads-docs .docs-limits {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-downloads-docs .docs-limits__copy .docs-subhead:first-child {
  margin-top: 0;
}

.page-downloads-docs .docs-limits__figure {
  margin: 0;
}

/* ---------- 相邻入口 ---------- */
.page-downloads-docs .docs-next {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-downloads-docs .docs-next__item {
  padding: var(--space-3) 0 var(--space-3) var(--space-3);
  border-left: calc(var(--border-thin) * 3) solid var(--color-primary);
  border-bottom: var(--border-thin) solid var(--color-line);
  margin-bottom: var(--space-3);
}

.page-downloads-docs .docs-next__item:nth-child(3n + 2) {
  border-left-color: var(--color-accent);
}

.page-downloads-docs .docs-next__item:nth-child(3n + 3) {
  border-left-color: var(--color-contrast-surface);
}

.page-downloads-docs .docs-next__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-1);
}

.page-downloads-docs .docs-next__link {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.3;
  color: var(--color-primary);
  text-decoration: none;
}

.page-downloads-docs .docs-next__link:hover {
  color: var(--color-accent);
}

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

.page-downloads-docs .docs-next__desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
  margin: var(--space-1) 0 0;
}

/* ---------- 页脚信息行 ---------- */
.page-downloads-docs .docs-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  border-top: var(--border-thick) solid var(--color-line);
  padding-top: var(--space-3);
  margin: 0;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 860px) {
  .page-downloads-docs {
    --docs-field-col: 96px;
  }

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

  .page-downloads-docs .docs-head__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  }

  .page-downloads-docs .docs-head__geo {
    height: 200px;
  }

  .page-downloads-docs .docs-body {
    grid-template-columns: var(--docs-rail-w) minmax(0, 1fr);
    gap: var(--gutter);
  }

  .page-downloads-docs .docs-rail {
    position: sticky;
    top: 96px;
    border-radius: var(--radius-sm);
    padding: var(--space-4) var(--space-2);
  }

  .page-downloads-docs .docs-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    gap: var(--space-3);
  }

  .page-downloads-docs .docs-fields__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: var(--space-3);
    align-items: baseline;
  }

  .page-downloads-docs .docs-limits {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: var(--space-4);
    align-items: start;
  }

  .page-downloads-docs .docs-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-6);
  }

  .page-downloads-docs .docs-next__item {
    margin-bottom: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-downloads-docs .filter-btn {
    transition: none;
  }
}
<<<END>>>