/* ============ 客户端页 ============ */

.page-app-download {
  --scene-rail: 96px;
  --aside-width: 340px;
}

/* ---------- 首屏 ---------- */

.page-app-download .client-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-top: calc(var(--space-8) + var(--space-6));
  padding-bottom: calc(var(--space-8) + var(--space-4));
}

.page-app-download .client-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
}

.page-app-download .client-hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--overlay-scrim);
}

.page-app-download .client-hero__inner {
  position: relative;
  z-index: 1;
}

.page-app-download .client-hero__crumb {
  margin-bottom: var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
}

.page-app-download .client-hero__crumb a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  opacity: 0.7;
}

.page-app-download .client-hero__crumb a:hover,
.page-app-download .client-hero__crumb a:focus-visible {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 0.24em;
}

.page-app-download .client-hero__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
}

.page-app-download .client-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 0.95;
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-app-download .client-hero__mark {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.45em;
  color: var(--color-contrast-accent);
}

.page-app-download .client-hero__lede {
  margin: var(--space-6) 0 0;
  max-width: 60ch;
  font-size: var(--text-lg);
  line-height: 1.65;
  color: color-mix(in srgb, var(--color-contrast-ink) 86%, transparent);
}

.page-app-download .client-hero__figures {
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-app-download .client-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-app-download .client-figure__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-figure);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-app-download .client-figure__key {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1.35;
  color: var(--color-contrast-ink);
}

.page-app-download .client-figure__note {
  font-size: var(--text-xs);
  line-height: 1.75;
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, transparent);
}

@media (min-width: 720px) {
  .page-app-download .client-hero__figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
  }
}

@media (min-width: 900px) {
  .page-app-download .client-hero__head {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-8);
  }

  .page-app-download .client-hero__mark {
    writing-mode: vertical-rl;
    letter-spacing: 0.55em;
    padding-top: var(--space-2);
  }
}

/* ---------- 分区导语 ---------- */

.page-app-download .client-scenes {
  background: var(--color-surface);
}

.page-app-download .client-scenes__intro {
  max-width: 62ch;
  margin-bottom: var(--space-8);
}

.page-app-download .client-scenes__intro h2,
.page-app-download .client-versions__head h2,
.page-app-download .client-prep__intro h2,
.page-app-download .client-access__intro h2,
.page-app-download .client-next__main h2 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: var(--space-2) 0 var(--space-3);
}

.page-app-download .client-scenes__lede,
.page-app-download .client-versions__head p,
.page-app-download .client-prep__intro p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 三组场景 ---------- */

.page-app-download .scene {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  padding-block: var(--space-6);
}

.page-app-download .scene + .scene {
  margin-top: var(--space-6);
}

.page-app-download .scene__rail .vmark {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.28em;
  color: var(--color-ink-muted);
}

.page-app-download .scene__lede {
  margin: 0 0 var(--space-6);
  max-width: 54ch;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: 1.45;
  color: var(--color-ink);
}

.page-app-download .scene__shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-app-download .scene__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-surface-deep);
}

.page-app-download .scene__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-app-download .scene__figure--tall img {
  aspect-ratio: 9 / 7;
  object-fit: cover;
}

.page-app-download .scene__figure--wide {
  margin-bottom: var(--space-6);
}

.page-app-download .scene__figure--wide img {
  aspect-ratio: 14 / 5;
  object-fit: cover;
}

.page-app-download .scene__figure--foot {
  margin-top: var(--space-6);
}

.page-app-download .scene__figure--foot img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-app-download .scene__cases {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-app-download .case {
  display: grid;
  gap: var(--space-2);
}

.page-app-download .case__pain {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.72;
  color: var(--color-ink-soft);
}

.page-app-download .case__move {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-app-download .case__gain {
  position: relative;
  margin: 0;
  padding-left: var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-primary);
}

.page-app-download .case__gain::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 1px;
  background: currentColor;
}

.page-app-download .case__fact {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-accent);
}

.page-app-download .case__num {
  font-weight: 700;
  font-size: var(--text-lg);
}

@media (min-width: 900px) {
  .page-app-download .scene {
    grid-template-columns: var(--scene-rail) minmax(0, 1fr);
    gap: var(--space-8);
    padding-block: var(--space-8);
  }

  .page-app-download .scene__rail .vmark {
    writing-mode: vertical-rl;
    letter-spacing: 0.5em;
    padding-top: var(--space-1);
  }

  .page-app-download .scene__shell--aside {
    grid-template-columns: minmax(0, var(--aside-width)) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-app-download .scene--mid .scene__cases,
  .page-app-download .scene--post .scene__cases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-app-download .scene--post .scene__figure--foot {
    max-width: 560px;
  }
}

/* ---------- 三个版本 ---------- */

.page-app-download .client-versions {
  background: var(--color-surface-alt);
}

.page-app-download .client-versions__head {
  max-width: 62ch;
  margin-bottom: var(--space-8);
}

.page-app-download .versions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-app-download .version {
  padding: var(--space-4) var(--space-4) var(--space-6);
  border-radius: var(--radius-sm);
  transition: background-color 0.18s ease;
}

.page-app-download .version__no {
  display: block;
  margin-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-app-download .version__name {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: 1.3;
  color: var(--color-ink);
}

.page-app-download .version__line {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-app-download .version__spec {
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.page-app-download .version__spec dt {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-app-download .version__spec dd {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink);
}

@media (min-width: 820px) {
  .page-app-download .versions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

@media (hover: hover) {
  .page-app-download .version:hover {
    background: var(--color-primary-soft);
  }
}

.page-app-download .version:focus-within {
  background: var(--color-primary-soft);
}

/* ---------- 安装准备 ---------- */

.page-app-download .client-prep {
  background: var(--color-surface);
}

.page-app-download .client-prep__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-app-download .prep {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-app-download .prep__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  padding: var(--space-3) 0;
}

.page-app-download .prep__row:first-child {
  padding-top: 0;
}

.page-app-download .prep__row + .prep__row {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .prep__no {
  padding-top: 0.3em;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-accent);
}

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

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

@media (min-width: 900px) {
  .page-app-download .client-prep__wrap {
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
}

/* ---------- 获取方式与常见疑问 ---------- */

.page-app-download .client-access {
  background: var(--color-surface-alt);
}

.page-app-download .client-access__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-app-download .client-access__intro p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-app-download .client-access__line {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
}

.page-app-download .client-access__intro a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.page-app-download .client-access__intro a:hover,
.page-app-download .client-access__intro a:focus-visible {
  color: var(--color-focus);
}

.page-app-download .faq {
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .faq:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .faq summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
}

.page-app-download .faq summary::-webkit-details-marker {
  display: none;
}

.page-app-download .faq summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--color-primary);
}

.page-app-download .faq[open] summary::after {
  content: "－";
}

.page-app-download .faq summary:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 3px;
}

.page-app-download .faq p {
  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);
}

@media (min-width: 900px) {
  .page-app-download .client-access__wrap {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
}

/* ---------- 下一步 ---------- */

.page-app-download .client-next {
  background: var(--color-primary-soft);
}

.page-app-download .client-next__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-app-download .client-next__main p {
  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-app-download .client-next__main a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

.page-app-download .client-next__main a:hover,
.page-app-download .client-next__main a:focus-visible {
  color: var(--color-focus);
}

.page-app-download .client-next__cta {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.page-app-download .client-next__ask {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink);
}

.page-app-download .client-next__meta {
  margin: var(--space-3) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.9;
  color: var(--color-ink-muted);
  word-break: break-word;
}

@media (min-width: 900px) {
  .page-app-download .client-next__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }
}
<<<END>>>