:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  color: #173b2e;
  background: #f4f8f5;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --green: #16835d;
  --green-dark: #0f6a4a;
  --mint: #e0f1e8;
  --muted: #718278;
  --line: #e4ebe6;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: #f4f8f5; }
a { color: inherit; }
.page-shell { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }
.site-header { height: 88px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #e8efea; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; color: #123d2e; font-size: 20px; font-weight: 700; letter-spacing: .02em; }
.brand img { display: block; width: 42px; height: 42px; border-radius: 12px; }
.header-label { color: #718278; font-size: 13px; }

.hero { min-height: 412px; display: grid; grid-template-columns: 1.06fr .94fr; align-items: center; gap: 24px; padding: 40px 30px 38px 44px; overflow: hidden; position: relative; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 8px; margin: 0 0 17px; color: var(--green); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: #52b384; box-shadow: 0 0 0 4px #52b38422; }
h1 { margin: 0; color: #123d2e; font-size: clamp(38px, 5.1vw, 58px); font-weight: 700; line-height: 1.28; letter-spacing: -.045em; }
h1 span { color: var(--green); }
.hero-description { margin: 18px 0 0; color: #617369; font-size: 16px; line-height: 1.7; }
.device-hint { display: inline-flex; align-items: center; min-height: 30px; margin: 25px 0 0; padding: 5px 11px; border: 1px solid #dce9e0; border-radius: 999px; background: #ffffff80; color: #516c5e; font-size: 12px; }
.device-hint:before { content: ''; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: #56ae7d; }
.hero-art { width: 100%; height: 320px; display: grid; place-items: center; position: relative; }
.art-orbit { position: absolute; border: 1px solid #b7ddc7; border-radius: 50%; transform: rotate(-24deg); }
.orbit-one { width: 300px; height: 156px; }
.orbit-two { width: 350px; height: 218px; transform: rotate(31deg); border-color: #d3e9db; }
.art-card { position: absolute; width: 204px; height: 252px; border-radius: 28px; }
.card-back { background: #c9e8d5; transform: translate(36px, 13px) rotate(10deg); box-shadow: 0 25px 55px #185c3b16; }
.card-front { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; background: linear-gradient(155deg, #fff 8%, #f0f8f3 100%); border: 1px solid #fff; box-shadow: 0 24px 64px #174d321f; transform: rotate(-6deg); }
.card-front:before { position: absolute; content: ''; inset: 11px; border: 1px solid #e4efe7; border-radius: 20px; }
.card-front img { width: 88px; height: 88px; border-radius: 23px; box-shadow: 0 10px 25px #0b624622; }
.art-card-title { margin-top: 9px; font-size: 21px; font-weight: 700; letter-spacing: .08em; }
.art-card-caption { color: #7d9285; font-size: 10px; letter-spacing: .11em; }
.art-spark { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #91cfaa; }
.spark-one { top: 39px; right: 28px; }
.spark-two { bottom: 48px; left: 27px; width: 5px; height: 5px; background: #d0a95f; }

.download-section { margin: 8px 0 0; padding: 30px 34px 34px; border: 1px solid #e5ede7; border-radius: 22px; background: #fff; box-shadow: 0 17px 55px #214c3209; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 23px; }
.section-heading .eyebrow { margin: 0 0 7px; font-size: 10px; }
.section-heading h2 { margin: 0; color: #173b2e; font-size: 25px; letter-spacing: -.025em; }
.release-status { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 3px; color: #77867d; font-size: 12px; }
.release-status span { width: 7px; height: 7px; border-radius: 50%; background: #d1a74f; }
.release-status.ready span { background: #51a978; }
.release-status.error span { background: #c97865; }
.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.platform-card { min-height: 268px; display: flex; flex-direction: column; align-items: flex-start; padding: 22px 24px 20px; border: 1px solid var(--line); border-radius: 15px; background: linear-gradient(150deg,#fff,#fbfdfb); transition: border-color .18s, box-shadow .18s, transform .18s; }
.platform-card.recommended { border-color: #aad5b8; box-shadow: 0 0 0 3px #5aaa7712; }
.platform-topline { width: 100%; display: flex; align-items: center; justify-content: space-between; }
.platform-icon { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 13px; }
.platform-icon svg { width: 25px; height: 25px; fill: currentColor; }
.android-icon { color: #21885a; background: #e6f5eb; }
.apple-icon { color: #26352d; background: #edf1ee; }
.platform-label { color: #92a097; font-size: 10px; font-weight: 700; letter-spacing: .14em; }
.platform-card h3 { margin: 19px 0 5px; color: #183b2e; font-size: 18px; font-weight: 700; }
.platform-description { margin: 0 0 15px; color: #7b8981; font-size: 12px; line-height: 1.6; }
.release-details { display: flex; flex-wrap: wrap; gap: 6px; margin: -3px 0 14px; color: #547263; font-size: 11px; }
.release-details span { max-width: 100%; padding: 4px 8px; border-radius: 6px; background: #f0f6f2; overflow-wrap: anywhere; }
.download-button { width: 100%; min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; margin-top: auto; padding: 12px 16px; border: 0; border-radius: 9px; background: var(--green); color: #fff; font: inherit; font-size: 14px; font-weight: 600; text-align: center; text-decoration: none; cursor: pointer; transition: background .16s, transform .16s, box-shadow .16s; }
.download-button:not([aria-disabled="true"]):hover { background: var(--green-dark); box-shadow: 0 6px 16px #16835d30; transform: translateY(-1px); }
.download-button:not([aria-disabled="true"]):focus-visible { outline: 3px solid #8bc8a5; outline-offset: 3px; }
.download-button[aria-disabled="true"] { background: #e8eeea; color: #8b9990; cursor: not-allowed; }
.download-button.secondary:not([aria-disabled="true"]) { background: #183d30; }
.download-button.secondary:not([aria-disabled="true"]):hover { background: #102e23; box-shadow: 0 6px 16px #102e2330; }
.download-button svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.platform-footnote { min-height: 18px; margin: 9px 0 0; color: #9aa59e; font-size: 10px; line-height: 1.6; }
.help-strip { display: flex; align-items: flex-start; gap: 13px; margin: 18px 0 0; padding: 18px 21px; border-radius: 13px; background: #eaf3ed; }
.help-mark { width: 21px; height: 21px; display: grid; place-items: center; flex: none; border: 1px solid #a5cbb1; border-radius: 50%; color: #4f8664; font-family: Georgia,serif; font-size: 13px; font-style: italic; }
.help-strip h2 { margin: 0 0 4px; color: #345947; font-size: 12px; font-weight: 700; }
.help-strip p { margin: 0; color: #6d8174; font-size: 11px; line-height: 1.65; }
.site-footer { display: flex; justify-content: space-between; gap: 16px; padding: 28px 2px 34px; color: #9aa69e; font-size: 10px; }

@media (max-width: 760px) {
  .page-shell { width: min(100% - 32px, 540px); }
  .site-header { height: 72px; }
  .brand { gap: 9px; font-size: 18px; }
  .brand img { width: 36px; height: 36px; border-radius: 10px; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 0; padding: 36px 8px 24px; }
  .hero .eyebrow { margin-bottom: 13px; }
  h1 { font-size: clamp(36px, 9vw, 48px); }
  .hero-description { margin-top: 13px; font-size: 14px; }
  .device-hint { margin-top: 18px; }
  .hero-art { height: 235px; margin-top: -4px; }
  .art-card { width: 156px; height: 194px; border-radius: 23px; }
  .card-front:before { inset: 9px; border-radius: 16px; }
  .card-front img { width: 67px; height: 67px; border-radius: 18px; }
  .art-card-title { margin-top: 4px; font-size: 18px; }
  .art-card-caption { font-size: 8px; }
  .orbit-one { width: 230px; height: 120px; }
  .orbit-two { width: 280px; height: 170px; }
  .download-section { padding: 24px 17px 20px; border-radius: 17px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; margin-bottom: 17px; }
  .section-heading h2 { font-size: 22px; }
  .platform-grid { grid-template-columns: 1fr; gap: 12px; }
  .platform-card { min-height: 248px; padding: 18px; }
  .platform-card h3 { margin-top: 15px; }
  .platform-card.recommended { order: -1; }
  .help-strip { padding: 15px; }
  .site-footer { flex-direction: column; padding: 22px 2px 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}

.release-updates {white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65;color:var(--muted);max-height:240px;overflow:auto;}
.release-retry {margin:0 0 20px;padding:8px 16px;border:1px solid #c8d9cf;border-radius:8px;background:white;color:#265b40;cursor:pointer;}