:root {
  --ground:#f4f6fa;
  --ink:#192334;
  --muted:#536174;
  --accent:#2463d4;
  --surface:#fff;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:var(--ground);
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
}
* {
  box-sizing:border-box;
}
body,h1,h2,p {
  margin:0;
}
body {
  font-size:14px;
  line-height:1.7;
}
.page {
  width:min(100% - 40px,680px);
  margin:0 auto;
  padding:44px 0 32px;
}
.brand {
  text-align:center;
  margin-bottom:28px;
}
.logo {
  display:block;
  margin:0 auto 16px;
  border-radius:20px;
  object-fit:cover;
}
h1 {
  font-size:20px;
  line-height:1.25;
  letter-spacing:-.03em;
}
.brand p {
  margin-top:10px;
  color:var(--muted);
  font-size:14px;
}
.downloads {
  display:grid;
  gap:8px;
  max-width:460px;
  margin:0 auto;
}
.download {
  display:flex;
  gap:14px;
  align-items:center;
  min-height:64px;
  padding:10px 18px;
  color:var(--ink);
  text-decoration:none;
  background:var(--surface);
  border-radius:14px;
  transition:transform .18s ease,background .18s ease;
}
.download:hover {
  background:#e6edfa;
  transform:translateY(-2px);
}
.download:active {
  transform:scale(.98);
}
.download>img {
  object-fit:contain;
  flex-shrink:0;
}
.download>span:nth-child(2) {
  flex:1;
  min-width:0;
}
.download small {
  display:block;
  font-size:13px;
  color:var(--muted);
  line-height:1.4;
}
.download strong {
  display:block;
  font-size:16px;
  line-height:1.5;
  font-weight:600;
}
.arrow {
  font-size:22px;
  color:#53bea6;
}
.download-note {
  text-align:center;
  color:var(--muted);
  font-size:13px;
  margin-top:14px;
}
#containerAdId:empty {
  display:none;
}
#containerAdId {
  margin-top:24px;
  width:100%;
}
.screenshots {
  margin-top:36px;
}
.section-heading {
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:baseline;
  margin-bottom:16px;
}
h2 {
  font-size:18px;
  line-height:1.4;
  font-weight:650;
}
.section-heading>span {
  font-size:13px;
  color:var(--muted);
  flex-shrink:0;
}
.screenshot-track {
  display:flex;
  gap:12px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
  scrollbar-color:#aebcd2 transparent;
  padding-bottom:12px;
  -webkit-overflow-scrolling:touch;
}
.screenshot-track img {
  width:180px;
  height:auto;
  flex:0 0 180px;
  align-self:flex-start;
  scroll-snap-align:start;
  border-radius:12px;
}
.about {
  margin-top:32px;
}
.about p {
  margin-top:14px;
}
.about ul {
  padding-left:20px;
  margin:12px 0 0;
}
.about li+li {
  margin-top:8px;
}
footer {
  margin-top:32px;
  color:var(--muted);
  font-size:13px;
}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible {
  outline:3px solid var(--accent);
  outline-offset:4px;
}
.wechat-guide[hidden] {
  display:none;
}
.wechat-guide {
  position:fixed;
  inset:0;
  z-index:9999;
  background:rgba(9,17,29,.92);
  color:#fff;
  padding:116px 24px 32px;
  overflow-y:auto;
}
.guide-arrow {
  position:absolute;
  top:max(12px,env(safe-area-inset-top));
  right:16px;
  height:auto;
}
.guide-content {
  width:min(100%,380px);
  margin-left:auto;
}
.guide-content h2 {
  font-size:20px;
  margin-bottom:20px;
}
.guide-content p {
  font-size:15px;
  line-height:1.8;
  margin-top:12px;
}
.guide-content button {
  display:block;
  min-height:44px;
  margin-top:28px;
  padding:10px 28px;
  font:inherit;
  font-weight:600;
  border:0;
  border-radius:8px;
  background:#fff;
  color:#192334;
  cursor:pointer;
}
@media(min-width:768px) {
  .page {
    padding-top:56px;
  }
  .logo {
    width:96px;
    height:96px;
    border-radius:24px;
  }
  h1 {
    font-size:32px;
  }
  .screenshots {
    margin-top:48px;
  }
}
@media(max-width:360px) {
  .page {
    width:calc(100% - 32px);
    padding-top:32px;
  }
  h1 {
    font-size:26px;
  }
  .section-heading {
    display:block;
  }
  .section-heading>span {
    display:block;
    margin-top:4px;
  }
}
@media(prefers-reduced-motion:reduce) {
  .download {
    transition:none;
  }
}
/* Default visible: browsers without animation support retain usable downloads. */
.downloads {
  display: block;
}
.download + .download {
  margin-top: 8px;
}
.download {
  -webkit-animation: download-reveal 2s ease-out both;
  animation: download-reveal 2s ease-out both;
}
.download:nth-child(2) {
  -webkit-animation-delay: .7s;
  animation-delay: .7s;
}
.download:nth-child(3) {
  -webkit-animation-delay: 1.4s;
  animation-delay: 1.4s;
}
@-webkit-keyframes download-reveal {
  from {
    opacity: 0;
    -webkit-transform: translateY(10px);
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
}
@keyframes download-reveal {
  from {
    opacity: 0;
    -webkit-transform: translateY(10px);
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .download {
    -webkit-animation: none;
    animation: none;
  }
}
footer a {
  color:var(--accent);
  text-underline-offset:3px;
}
footer p+p {
  margin-top:8px;
}
.page {
  width:calc(100% - 40px);
  max-width:680px;
}
.guide-content {
  width:100%;
  max-width:380px;
}