.page-downloads {
  --rd-gap: var(--space-3);
  --rd-type-cols: 60px minmax(0, 1fr) minmax(0, 340px);
}

/* ---------- 首屏 ---------- */

.page-downloads .rd-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-downloads .rd-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-downloads .rd-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.page-downloads .rd-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-downloads .rd-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: var(--section-y-lg);
  padding-block: clamp(56px, 11vw, 118px);
}

.page-downloads .rd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

.page-downloads .rd-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
}

.page-downloads .rd-crumb a:hover,
.page-downloads .rd-crumb a:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
  color: var(--color-contrast-ink);
}

.page-downloads .rd-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.22em;
  color: var(--color-contrast-accent);
}

.page-downloads .rd-hero__eyebrow::before {
  content: "";
  display: block;
  width: 26px;
  height: var(--border-thick);
  background: var(--color-contrast-accent);
}

.page-downloads .rd-hero__title {
  margin: 0 0 var(--space-3);
  max-width: 16ch;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: -0.022em;
  color: var(--color-contrast-ink);
}

.page-downloads .rd-hero__lede {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-lg);
  line-height: 1.72;
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-downloads .rd-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-downloads .rd-stat {
  min-width: 96px;
  padding-top: var(--space-2);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-downloads .rd-stat__value {
  display: block;
  white-space: nowrap;
}

.page-downloads .rd-stat__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-contrast-ink);
}

.page-downloads .rd-stat__unit {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-contrast-accent);
}

.page-downloads .rd-stat__label {
  display: block;
  margin-top: 6px;
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-downloads .rd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-downloads .rd-hero__cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border: var(--border-thin) solid var(--color-contrast-accent);
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-contrast-accent) 22%, transparent);
  color: var(--color-contrast-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-downloads .rd-hero__cta--muted {
  border-color: var(--color-contrast-line);
  background: transparent;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-downloads .rd-hero__cta:hover,
.page-downloads .rd-hero__cta:focus-visible {
  background: color-mix(in srgb, var(--color-contrast-accent) 38%, transparent);
  border-color: var(--color-contrast-ink);
  color: var(--color-contrast-ink);
}

/* ---------- 选择建议 ---------- */

.page-downloads .rd-picks {
  background: var(--color-surface);
}

.page-downloads .rd-picks__grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: var(--border-thick) solid var(--color-line);
}

.page-downloads .rd-pick {
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-downloads .rd-pick__tag {
  display: inline-block;
  margin: 0 0 var(--space-1);
  padding: 3px 10px;
  border: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-pill);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}

.page-downloads .rd-pick__tag--accent {
  border-color: var(--color-accent);
  background: var(--color-highlight);
  color: var(--color-accent);
}

.page-downloads .rd-pick__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--color-ink);
}

.page-downloads .rd-pick__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.82;
  color: var(--color-ink-soft);
}

/* ---------- 坐标索引 ---------- */

.page-downloads .rd-toc {
  background: var(--color-surface-deep);
  border-top: var(--border-thick) solid var(--color-primary);
  border-bottom: var(--border-thick) solid var(--color-primary);
  padding-block: var(--space-3);
}

.page-downloads .rd-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-downloads .rd-toc__link {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-downloads .rd-toc__link:hover,
.page-downloads .rd-toc__link:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-downloads .rd-toc__link[aria-current="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

/* ---------- 对照表 ---------- */

.page-downloads .rd-compare {
  background: var(--color-surface);
}

.page-downloads .rd-tablewrap {
  overflow-x: auto;
  border: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.page-downloads .rd-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: var(--text-sm);
  line-height: 1.6;
}

.page-downloads .rd-table__caption {
  caption-side: top;
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-align: left;
}

.page-downloads .rd-table thead th {
  padding: 14px 16px;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: 0.03em;
  text-align: left;
  border-right: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 22%, transparent);
}

.page-downloads .rd-table thead th:last-child {
  border-right: none;
}

.page-downloads .rd-table tbody th {
  width: 132px;
  padding: 14px 16px;
  background: var(--color-surface-alt);
  color: var(--color-ink);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-downloads .rd-table tbody td {
  padding: 14px 16px;
  color: var(--color-ink-soft);
  vertical-align: top;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-downloads .rd-table tbody tr:nth-child(even) td {
  background: var(--color-surface-alt);
}

.page-downloads .rd-table tbody tr:nth-child(even) th {
  background: var(--color-surface-deep);
}

.page-downloads .rd-table tbody tr:hover td {
  background: color-mix(in srgb, var(--color-primary-soft) 60%, var(--color-surface));
}

.page-downloads .rd-table tbody tr:last-child th,
.page-downloads .rd-table tbody tr:last-child td {
  border-bottom: none;
}

.page-downloads .rd-compare__note {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-accent);
  font-size: var(--text-sm);
  line-height: 1.82;
  color: var(--color-ink-soft);
}

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

/* ---------- 资料类型分组 ---------- */

.page-downloads .rd-types {
  background: var(--color-surface-alt);
}

.page-downloads .rd-types__list {
  display: grid;
  gap: var(--space-8);
}

.page-downloads .rd-type {
  display: grid;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: var(--border-thick) solid var(--color-ink-muted);
}

.page-downloads .rd-type__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-accent);
}

.page-downloads .rd-type__tag::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: var(--border-thick);
  margin-right: 8px;
  vertical-align: middle;
  background: var(--color-accent);
}

.page-downloads .rd-type__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.page-downloads .rd-type__desc {
  max-width: var(--measure);
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: 1.86;
  color: var(--color-ink-soft);
}

.page-downloads .rd-type__meta {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-downloads .rd-type__meta > div {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: var(--space-2);
  padding: 8px 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-downloads .rd-type__meta dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  padding-top: 2px;
}

.page-downloads .rd-type__meta dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink);
}

.page-downloads .rd-type__meta dd a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-downloads .rd-type__media {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

.page-downloads .rd-type__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-downloads .rd-type__body--plain {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.page-downloads .rd-legend {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-downloads .rd-legend__item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-downloads .rd-legend__swatch {
  display: block;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
}

.page-downloads .rd-legend__swatch--accent {
  background: var(--color-accent);
}

.page-downloads .rd-legend__swatch--deep {
  background: var(--color-contrast-surface);
}

.page-downloads .rd-legend__swatch--pale {
  background: var(--color-primary-soft);
  border: var(--border-thin) solid var(--color-line);
}

/* ---------- 适用对象与获取方式 ---------- */

.page-downloads .rd-audience {
  background: var(--color-surface);
}

.page-downloads .rd-audiences {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--border-thick) solid var(--color-line);
}

.page-downloads .rd-aud {
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-downloads .rd-aud__badge {
  display: inline-block;
  margin: 0 0 var(--space-1);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
}

.page-downloads .rd-aud__badge--accent {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-downloads .rd-aud__title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.25;
  color: var(--color-ink);
}

.page-downloads .rd-aud__text {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.82;
  color: var(--color-ink-soft);
}

.page-downloads .rd-aud__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-downloads .rd-aud__list li {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink);
}

.page-downloads .rd-aud__list span {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
  padding-top: 3px;
}

.page-downloads .rd-ways {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thick) double var(--color-line);
}

.page-downloads .rd-ways__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-downloads .rd-ways__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-downloads .rd-way__label {
  margin: 0 0 6px;
  padding-bottom: 6px;
  border-bottom: var(--border-thick) solid var(--color-primary);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-primary);
}

.page-downloads .rd-way__text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.84;
  color: var(--color-ink-soft);
}

.page-downloads .rd-ways__note {
  margin: var(--space-4) 0 0;
  padding: var(--space-2) var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  background: var(--color-surface-alt);
  font-size: var(--text-sm);
  line-height: 1.84;
  color: var(--color-ink-soft);
}

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

/* ---------- 使用边界 ---------- */

.page-downloads .rd-boundary {
  background: var(--color-surface);
  padding-bottom: var(--section-y-lg);
}

.page-downloads .rd-boundary__panel {
  padding: var(--space-4) var(--space-3);
  border-top: var(--border-thick) solid var(--color-accent);
  border-bottom: var(--border-thick) solid var(--color-accent);
  background: var(--color-highlight);
  border-radius: var(--radius-md);
}

.page-downloads .rd-boundary__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.page-downloads .rd-boundary__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.2;
  color: var(--color-ink);
}

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

.page-downloads .rd-boundary__list li {
  display: grid;
  gap: 6px;
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 34%, transparent);
}

.page-downloads .rd-boundary__key {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-accent);
}

.page-downloads .rd-boundary__list p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.86;
  color: var(--color-ink);
}

.page-downloads .rd-boundary__list a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-downloads .rd-boundary__foot {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thick) double var(--color-accent);
  font-size: var(--text-sm);
  line-height: 1.86;
  color: var(--color-ink-soft);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-downloads .rd-picks__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-downloads .rd-pick {
    padding: var(--space-3) var(--space-3) var(--space-3) 0;
    border-bottom: none;
    border-right: var(--border-thin) solid var(--color-line);
  }

  .page-downloads .rd-pick:last-child {
    padding-right: 0;
    border-right: none;
  }

  .page-downloads .rd-audiences {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-downloads .rd-aud {
    padding: var(--space-3);
    border-bottom: none;
    border-right: var(--border-thin) solid var(--color-line);
  }

  .page-downloads .rd-aud:first-child {
    padding-left: 0;
  }

  .page-downloads .rd-aud:last-child {
    padding-right: 0;
    border-right: none;
  }

  .page-downloads .rd-ways__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-downloads .rd-boundary__panel {
    padding: var(--space-6) var(--space-6) var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-downloads .rd-type {
    grid-template-columns: var(--rd-type-cols);
    gap: var(--space-4);
    align-items: start;
  }

  .page-downloads .rd-type__tag {
    writing-mode: vertical-rl;
    justify-self: start;
    height: max-content;
  }

  .page-downloads .rd-type__tag::before {
    display: block;
    width: var(--border-thick);
    height: 22px;
    margin: 0 0 10px;
  }

  .page-downloads .rd-type__media {
    margin-top: var(--space-1);
  }

  .page-downloads .rd-type__media--tall {
    aspect-ratio: 4 / 3;
  }

  .page-downloads .rd-type--flip .rd-type__body {
    order: 2;
  }

  .page-downloads .rd-type--flip .rd-type__media {
    order: 1;
  }

  .page-downloads .rd-type--flip .rd-type__tag {
    order: 0;
  }
}

@media (min-width: 1040px) {
  .page-downloads .rd-hero__lede {
    font-size: var(--text-xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-downloads .rd-hero__cta,
  .page-downloads .rd-toc__link {
    transition: none;
  }
}