html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: #000;
  background: #fff;
  font-family: "PingFang SC", -apple-system, BlinkMacSystemFont, "Microsoft YaHei", sans-serif;
  font-size: 16px;
}

.pc {
  min-height: 100vh;
  background: url("assets/background.jpg") center / cover no-repeat;
  text-align: center;
}

.title {
  margin: 0;
  padding-top: 80px;
  font-size: 18px;
  font-weight: 700;
}

.app-icon {
  display: flex;
  justify-content: center;
  padding-top: 50px;
}

.app-icon img {
  display: block;
  width: 150px;
  height: 150px;
  border-radius: 20px;
}

.app-title {
  margin-top: 10px;
  font-weight: 700;
}

.qrcode {
  display: block;
  width: 205px;
  height: 205px;
  margin: 50px auto 0;
}

.tip {
  margin: 50px 0 0;
  padding: 0 20px 20px;
  font-size: 14px;
}

.mobile-downloads {
  justify-content: center;
  gap: 16px;
  margin-top: 50px;
}

.mobile-downloads a {
  padding: 12px 24px;
  border-radius: 6px;
  color: #fff;
  background: #3478f6;
  text-decoration: none;
}

.mobile-downloads a:focus-visible {
  outline: 3px solid #00388c;
  outline-offset: 4px;
}

.mobile-downloads a[aria-disabled="true"] {
  opacity: .5;
  pointer-events: none;
}

html[data-platform] .title,
html[data-platform] .qrcode {
  display: none;
}

html[data-platform] .app-icon {
  padding-top: 80px;
}

html[data-platform] .mobile-downloads:not([hidden]) {
  display: flex;
  flex-wrap: wrap;
}

html[data-platform="android"] [data-system="ios"],
html[data-platform="ios"] [data-system="android"] {
  display: none;
}