/* App 下载页沿用官网品牌令牌，仅调整独立移动页面的布局。 */
.app-page { background: var(--paper); }
.app-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 1000px; margin: auto; padding: 24px 32px; }
.app-home-link { color: var(--muted); font-size: 13px; white-space: nowrap; }
.app-home-link:hover { color: var(--coral-dark); }
.app-hero { max-width: 1000px; margin: auto; padding: 44px 48px 64px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.app-intro .eyebrow { margin-bottom: 18px; }
.app-icon { width: 96px; height: 96px; margin-bottom: 24px; object-fit: contain; }
.app-hero h1 { font-size: 42px; }
.app-lead { margin-top: 18px; color: var(--muted); font-size: 15px; }
.app-download-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
/* 两端入口使用相同网格与视觉重量，查询状态只更新第二行，避免按钮内容跳动。 */
.app-download-button { display: grid; grid-template-columns: 26px minmax(0, 1fr); width: 100%; min-width: 0; min-height: 78px; padding: 16px 20px; gap: 12px; text-align: left; color: var(--ink); background: #fff; border-color: var(--line); border-radius: 12px; }
.app-download-button .app-platform-icon { width: 26px; height: 26px; color: var(--coral-dark); }
.app-download-copy { display: grid; gap: 4px; min-width: 0; }
.app-download-copy > span { font-size: 15px; font-weight: 600; line-height: 1.4; white-space: nowrap; }
.app-download-copy small { font-size: 12px; font-weight: 400; line-height: 1.4; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.app-download-button:hover:not(:disabled) { border-color: var(--coral); background: var(--soft); }
.app-download-button:focus-visible { outline: 2px solid var(--coral-dark); outline-offset: 3px; }
.app-download-button:active:not(:disabled) { border-color: var(--coral-dark); background: var(--soft); }
.app-download-button:disabled { opacity: .65; cursor: wait; }
.app-download-status { min-height: 24px; margin-top: 12px; font-size: 12px; color: var(--muted); }
.app-download-status:empty { display: none; }
.app-download-status.is-error { color: var(--coral-dark); }
.app-companion { padding: 32px 24px; background: transparent; text-align: center; }
.app-companion img { width: 100%; max-width: 310px; margin: 0 auto; }
.app-companion p { margin-top: 24px; color: var(--muted); font-size: 16px; }
.app-features { max-width: 1000px; padding: 56px 48px; margin: auto; border-top: 1px solid var(--line); }
.app-features h2 { font-size: 28px; }
.app-feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-top: 30px; }
.app-feature-grid article { padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.app-feature-grid img { margin-bottom: 18px; }
.app-feature-grid h3 { font-size: 16px; }
.app-feature-grid p { margin-top: 10px; color: var(--muted); font-size: 13px; }
.app-install-note { max-width: 904px; margin: 0 auto; padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.app-install-note h2 { font-size: 16px; }
.app-install-note p { margin-top: 10px; color: var(--muted); font-size: 13px; }
.app-footer { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; padding: 32px 24px calc(32px + env(safe-area-inset-bottom)); color: var(--muted); font-size: 12px; }
.app-footer a { text-decoration: underline; text-underline-offset: 3px; }
/* 微信引导弹层样式由 css/style.css 的 .browser-guide 共用。 */
@media (max-width: 760px) {
  .app-header { padding: calc(20px + env(safe-area-inset-top)) 24px 16px; }
  .app-header .brand-logo { width: 123px; }
  .app-hero { grid-template-columns: 1fr; gap: 28px; padding: 24px 28px 40px; }
  .app-intro { text-align: center; }
  .app-icon { width: 84px; height: 84px; margin: 0 auto 20px; }
  .app-hero h1 { font-size: clamp(28px, 8vw, 36px); }
  .app-lead { font-size: 14px; margin-top: 16px; }
  .app-download-actions { margin-top: 24px; gap: 10px; }
  .app-download-button { min-height: 76px; padding: 14px; gap: 10px; }
  .app-download-copy > span { font-size: 14px; }
  .app-companion { display: flex; align-items: center; gap: 18px; padding: 16px; text-align: left; }
  .app-companion img { width: 44%; margin: 0; }
  .app-companion p { margin: 0; font-size: 13px; }
  .app-features { padding: 36px 24px; }
  .app-features .eyebrow { margin-bottom: 12px; }
  .app-features h2 { font-size: 24px; }
  .app-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
  .app-feature-grid article { padding: 18px 16px; }
  .app-feature-grid h3 { font-size: 15px; }
  .app-feature-grid p { font-size: 12px; }
  .app-install-note { margin: 0 24px; padding: 20px; }
}