:root { color-scheme: light; --ink: #202930; --muted: #63717c; --line: #dfe5e8; --teal: #136d69; }
* { box-sizing: border-box; letter-spacing: 0; }
body { margin: 0; background: #f8fafb; color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
a:focus-visible, summary:focus-visible { outline: 3px solid #218780; outline-offset: 5px; }
img { display: block; }
p, h1, h2, h3 { margin: 0; }
.skip { position: absolute; left: 16px; top: -80px; padding: 12px; background: white; }
.skip:focus { top: 12px; z-index: 2; }
.site-header { max-width: 1100px; margin: auto; min-height: 86px; padding: 20px 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-size: 24px; font-weight: 720; }
.brand img { border-radius: 8px; }
.home-link { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); }
.home-link:hover, footer a:hover, .manifest-link:hover { color: var(--teal); text-decoration: underline; }
main { max-width: 1000px; margin: auto; padding: 0 28px; }
.download-intro { padding: 48px 0 40px; text-align: center; }
.app-icon { margin: 0 auto 22px; border-radius: 18px; box-shadow: 0 8px 28px #20393814; }
.eyebrow { font-size: 11px; font-weight: 700; color: var(--teal); margin-bottom: 10px; }
h1 { font-size: 44px; line-height: 1.15; font-weight: 740; }
.lead { margin: 18px auto 24px; font-size: 18px; color: var(--muted); }
.release-label { display: flex; justify-content: center; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 16px; }
.release-label > span:first-child { width: 7px; height: 7px; border-radius: 50%; background: #2c8a69; }
.beta { color: #805713; background: #faf0d9; padding: 2px 7px; border-radius: 4px; }
.download-button { display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 62px; padding: 14px 22px; width: fit-content; max-width: 100%; margin: auto; background: var(--teal); color: white; border-radius: 8px; box-shadow: 0 5px 14px #136d691a; font-size: 18px; font-weight: 650; transition: background .15s, box-shadow .15s; }
.download-button:hover { background: #0e5854; box-shadow: 0 6px 18px #136d692b; }
.download-button img { filter: invert(1); flex: 0 0 24px; }
.button-size { font-size: 14px; font-weight: 400; padding-left: 14px; border-left: 1px solid #ffffff50; white-space: nowrap; }
.release-meta { font-size: 12px; color: var(--muted); margin-top: 14px; }
.requirements { color: var(--muted); font-size: 12px; margin-top: 3px; }
.platforms { padding: 28px 0 36px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
h2 { font-size: 20px; line-height: 1.3; font-weight: 650; }
.section-heading > span { font-size: 12px; color: var(--muted); }
.platform-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.platform { display: flex; align-items: center; text-align: left; gap: 12px; min-width: 0; min-height: 92px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: white; color: var(--ink); opacity: 1; font: inherit; cursor: not-allowed; }
.platform-icon { width: 42px; height: 46px; display: grid; place-items: center; flex-shrink: 0; border-radius: 6px; }
.ios { background: #edf0f3; }
.play { background: #e8f3ef; }
.huawei { background: #faeceb; }
.platform-name { min-width: 0; }
.platform-name small { display: block; color: var(--muted); font-size: 11px; }
.platform-name strong { display: block; font-size: 16px; font-weight: 650; }
.coming { margin-left: auto; color: var(--muted); font-size: 11px; }
.install { padding: 30px 0; border-top: 1px solid var(--line); }
.install ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; padding: 0; margin: 22px 0 0; list-style: none; }
.install li { display: flex; gap: 12px; }
.step { color: var(--teal); font-size: 13px; background: #e6efee; width: 26px; height: 26px; display: grid; place-items: center; flex-shrink: 0; border-radius: 50%; }
h3 { font-size: 15px; margin-bottom: 8px; font-weight: 650; }
.install p { font-size: 13px; color: var(--muted); }
.details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 8px 0 40px; }
summary { padding: 18px 0; cursor: pointer; font-size: 14px; font-weight: 600; }
.details-body { padding: 0 0 24px; max-width: 740px; font-size: 14px; color: var(--muted); }
.details-body p { margin-bottom: 12px; }
dl { margin: 20px 0; }
dt { font-weight: 650; color: var(--ink); margin-top: 10px; }
dd { margin: 4px 0 0; }
.checksum { font-family: ui-monospace, monospace; font-size: 12px; overflow-wrap: anywhere; }
.manifest-link { text-decoration: underline; }
footer { max-width: 1000px; margin: auto; padding: 0 28px 32px; display: flex; justify-content: space-between; gap: 18px; font-size: 12px; color: var(--muted); }
footer > div { display: flex; gap: 20px; flex-wrap: wrap; }
@media (max-width: 780px) {
  .platform-grid { grid-template-columns: 1fr; }
  .platform { min-height: 76px; }
  .platform-name strong { font-size: 17px; }
  .coming { font-size: 12px; }
  .install ol { grid-template-columns: 1fr; gap: 20px; }
  .install p { font-size: 14px; }
  .section-heading > span { display: none; }
}
@media (max-width: 480px) {
  .site-header { min-height: 72px; padding: 16px 20px; }
  .brand { font-size: 22px; }
  main { padding: 0 20px; }
  .download-intro { padding-top: 30px; }
  h1 { font-size: 32px; }
  .lead { font-size: 16px; }
  .download-button { width: 100%; font-size: 17px; padding: 14px 16px; }
  .button-size { font-size: 12px; padding-left: 12px; }
  h2 { font-size: 18px; }
  footer { flex-direction: column; padding: 0 20px 28px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }