:root{
  --updatedownload-cream:#f8f3e7;
  --updatedownload-deep:#0d3b4a;
  --updatedownload-cobalt:#3057c8;
  --updatedownload-green:#20c15c;
  --updatedownload-line:#d9e2d7;
  --updatedownload-muted:#5e6d73;
  --updatedownload-shadow:0 28px 82px rgba(13,59,74,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.updatedownload-page{
  margin:0;
  min-height:100vh;
  padding-bottom:88px;
  overflow-x:hidden;
  font-family:"Segoe UI","Microsoft YaHei",sans-serif;
  color:var(--updatedownload-deep);
  background:
    radial-gradient(circle at top left, rgba(32,193,92,.14), transparent 22%),
    linear-gradient(180deg,#f8f3e7 0%,#f8f3e7 34%,#fff 34%,#fff 100%);
}
a{color:inherit;text-decoration:none}
button{font:inherit}
.updatedownload-header,
.updatedownload-hero,
.updatedownload-section,
.updatedownload-footer{
  width:min(1180px, calc(100% - 32px));
  margin-left:auto;
  margin-right:auto;
}
.updatedownload-header{
  position:sticky;
  top:12px;
  z-index:20;
  margin-top:16px;
  padding:12px 14px;
  border-radius:18px;
  border:1px solid rgba(13,59,74,.08);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  box-shadow:var(--updatedownload-shadow);
}
.updatedownload-brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.updatedownload-brand span{
  width:40px;
  height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--updatedownload-deep),var(--updatedownload-cobalt));
  color:#fff;
  font-weight:900;
}
.updatedownload-brand strong,
.updatedownload-brand em{display:block;line-height:1.1}
.updatedownload-brand em{font-style:normal;color:var(--updatedownload-muted);font-size:12px}
.updatedownload-nav{
  display:flex;
  align-items:center;
  gap:8px;
}
.updatedownload-nav a,
.updatedownload-nav button,
.updatedownload-origin-actions a,
.updatedownload-platform > a,
.updatedownload-fail > a,
.updatedownload-final a,
.updatedownload-footer a,
.updatedownload-fixed a{
  min-height:48px;
  border:0;
  border-radius:999px;
  padding:0 18px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
}
.updatedownload-nav a,
.updatedownload-nav button{
  background:#fff;
  border:1px solid var(--updatedownload-line);
}
.updatedownload-nav a:last-child,
.updatedownload-origin-actions a,
.updatedownload-platform > a,
.updatedownload-fail > a,
.updatedownload-final a,
.updatedownload-footer a,
.updatedownload-fixed a{
  background:var(--updatedownload-green);
  color:#072114;
}
.updatedownload-menu{
  display:none;
  width:44px;
  height:42px;
  padding:0;
  border:0;
  border-radius:12px;
  background:var(--updatedownload-deep);
  cursor:pointer;
}
.updatedownload-menu i{
  display:block;
  width:18px;
  height:2px;
  margin:5px auto;
  border-radius:2px;
  background:#fff;
}
.updatedownload-hero{
  margin-top:34px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:20px;
}
.updatedownload-route,
.updatedownload-status,
.updatedownload-section,
.updatedownload-footer{
  box-shadow:var(--updatedownload-shadow);
}
.updatedownload-route{
  border-radius:32px;
  padding:18px;
  border:1px solid var(--updatedownload-line);
  background:
    radial-gradient(circle at top right, rgba(48,87,200,.14), transparent 20%),
    linear-gradient(180deg,#fff 0%,#fbfcfe 100%);
}
.updatedownload-origin{
  padding:26px;
  border-radius:28px;
  background:linear-gradient(135deg,#f8f3e7 0%,#fff 100%);
  border:1px solid #eadfc7;
}
.updatedownload-origin p,
.updatedownload-section-head p,
.updatedownload-final p{
  margin:0 0 12px;
  color:var(--updatedownload-green);
  font-size:13px;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.updatedownload-origin h1{
  margin:0;
  font-size:clamp(40px, 5.8vw, 74px);
  line-height:1.02;
  letter-spacing:-.07em;
}
.updatedownload-origin span{
  display:block;
  margin-top:18px;
  max-width:760px;
  color:var(--updatedownload-muted);
  line-height:1.8;
}
.updatedownload-origin-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}
.updatedownload-device-note{
  margin:18px 0 0;
  padding-top:16px;
  border-top:1px solid rgba(13,59,74,.1);
  color:var(--updatedownload-muted);
}
.updatedownload-branchmap{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:10px;
  margin-top:14px;
}
.updatedownload-branch{
  min-height:92px;
  border-radius:20px;
  display:grid;
  place-items:center;
  text-align:center;
  font-weight:900;
  padding:14px;
}
.updatedownload-branch-center{
  grid-column:1 / -1;
  background:linear-gradient(135deg,var(--updatedownload-deep),var(--updatedownload-cobalt));
  color:#fff;
}
.updatedownload-branch-android{background:#e9f9ef;color:#147542}
.updatedownload-branch-ios{background:#eef3ff;color:#2b46a6}
.updatedownload-branch-windows{background:#fff4ea;color:#a35d18}
.updatedownload-status{
  border-radius:30px;
  padding:28px;
  background:linear-gradient(180deg,var(--updatedownload-deep) 0%,#0b5564 100%);
  color:#fff;
}
.updatedownload-status p{
  margin:0 0 12px;
  font-size:13px;
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:#8bf1d1;
}
.updatedownload-status h2{
  margin:0;
  font-size:clamp(28px, 4vw, 44px);
  line-height:1.08;
  letter-spacing:-.05em;
}
.updatedownload-status span{
  display:block;
  margin-top:14px;
  color:#daeff2;
  line-height:1.8;
}
.updatedownload-status-actions{
  display:grid;
  gap:10px;
  margin-top:18px;
}
.updatedownload-status-actions button,
.updatedownload-route-switch button{
  min-height:46px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);
  color:#fff;
  cursor:pointer;
  font-weight:800;
}
.updatedownload-status-actions button.is-active,
.updatedownload-route-switch button.is-active{
  background:var(--updatedownload-green);
  color:#072114;
  border-color:transparent;
}
.updatedownload-section{
  margin-top:24px;
  border-radius:30px;
  padding:32px;
  background:#fff;
  border:1px solid var(--updatedownload-line);
}
.updatedownload-section-head{
  margin-bottom:18px;
}
.updatedownload-section h2{
  margin:0;
  font-size:clamp(28px, 4vw, 44px);
  line-height:1.08;
  letter-spacing:-.05em;
}
.updatedownload-client-grid,
.updatedownload-check-grid,
.updatedownload-fail-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:14px;
}
.updatedownload-client-grid article,
.updatedownload-check-grid article,
.updatedownload-fail-grid article,
.updatedownload-flow article,
.updatedownload-faq details,
.updatedownload-callout{
  border-radius:22px;
  border:1px solid var(--updatedownload-line);
  background:#fafcfe;
  padding:22px;
}
.updatedownload-client-grid h3,
.updatedownload-flow h3,
.updatedownload-fail-grid h3,
.updatedownload-callout strong,
.updatedownload-faq summary{
  margin:0 0 10px;
  font-size:20px;
  line-height:1.15;
  letter-spacing:-.03em;
}
.updatedownload-flow{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
}
.updatedownload-flow p,
.updatedownload-client-grid p,
.updatedownload-check-grid p,
.updatedownload-fail-grid p,
.updatedownload-faq p,
.updatedownload-footer p,
.updatedownload-final span{
  color:var(--updatedownload-muted);
  line-height:1.8;
}
.updatedownload-callout{
  background:linear-gradient(135deg,#fffef7 0%,#f5fbf9 100%);
}
.updatedownload-issue-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:14px;
}
.updatedownload-issue-tabs button{
  min-height:44px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--updatedownload-line);
  background:#fff;
  cursor:pointer;
  font-weight:800;
}
.updatedownload-issue-tabs button.is-active{
  background:var(--updatedownload-green);
  color:#072114;
  border-color:transparent;
}
.updatedownload-issue-panel{
  margin-bottom:14px;
  border-radius:22px;
  padding:22px;
  background:linear-gradient(135deg,#fffef7 0%,#f5fbf9 100%);
  border:1px solid var(--updatedownload-line);
}
.updatedownload-issue-panel strong,
.updatedownload-issue-panel span{
  display:block;
}
.updatedownload-issue-panel strong{
  margin-bottom:8px;
  font-size:20px;
  letter-spacing:-.03em;
}
.updatedownload-issue-panel span{
  color:var(--updatedownload-muted);
  line-height:1.8;
}
.updatedownload-faq{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:14px;
}
.updatedownload-faq-list{
  display:grid;
  gap:12px;
}
.updatedownload-faq summary{
  cursor:pointer;
  list-style:none;
}
.updatedownload-faq summary::-webkit-details-marker{display:none}
.updatedownload-final{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:
    linear-gradient(135deg, rgba(32,193,92,.16), transparent 22%),
    #f4fff5;
}
.updatedownload-footer{
  margin-top:24px;
  margin-bottom:20px;
  border-radius:28px;
  padding:24px 32px;
  background:#0d3b4a;
  color:#fff;
}
.updatedownload-footer p{color:#d8eaed}
.updatedownload-fixed{
  position:fixed;
  left:50%;
  bottom:14px;
  transform:translateX(-50%);
  z-index:30;
  width:min(440px, calc(100vw - 24px));
  padding:8px;
  border-radius:18px;
  background:rgba(13,59,74,.96);
  display:none;
  gap:8px;
  box-shadow:0 18px 48px rgba(13,59,74,.3);
}
.updatedownload-fixed a{flex:1}

@media (max-width:920px){
  .updatedownload-menu{display:block}
  .updatedownload-nav{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    padding:10px;
    border-radius:18px;
    background:#fff;
    box-shadow:var(--updatedownload-shadow);
    flex-direction:column;
    align-items:stretch;
  }
  .updatedownload-header.is-open .updatedownload-nav{display:flex}
  .updatedownload-hero{grid-template-columns:1fr}
  .updatedownload-client-grid,
  .updatedownload-check-grid,
  .updatedownload-fail-grid,
  .updatedownload-flow,
  .updatedownload-faq{
    grid-template-columns:1fr;
  }
}

@media (max-width:640px){
  .updatedownload-header,
  .updatedownload-hero,
  .updatedownload-section,
  .updatedownload-footer{
    width:calc(100vw - 20px);
    max-width:calc(100vw - 20px);
  }
  .updatedownload-route,
  .updatedownload-status,
  .updatedownload-section,
  .updatedownload-footer{
    border-radius:24px;
    padding:22px;
  }
  .updatedownload-origin h1{font-size:clamp(34px, 12vw, 52px)}
  .updatedownload-final{
    flex-direction:column;
    align-items:stretch;
  }
  .updatedownload-final a,
  .updatedownload-platform > a,
  .updatedownload-fail > a,
  .updatedownload-origin-actions a,
  .updatedownload-footer a{
    width:100%;
  }
  .updatedownload-fixed{display:flex}
}