:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 0;
  background: #202020;
  color: #fff;
}

body {
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(100% - 34px, 940px);
  margin-inline: auto;
}

.site-header {
  padding-block: 24px;
}

.header-inner,
.brand {
  display: flex;
  align-items: center;
}

.header-inner {
  gap: 24px;
}

.brand {
  min-width: 0;
  gap: 16px;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 600;
}

.brand img {
  width: 49px;
  height: 49px;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand h1 {
  margin: 0;
  font: inherit;
}

.hero {
  min-height: 780px;
  padding: 62px;
  border-radius: 50px;
  background: #90a5ae;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 313px;
  align-items: center;
  gap: 54px;
  overflow: hidden;
}

.hero-copy {
  min-width: 0;
}

.intro {
  margin: 0 0 22px;
  font-size: 22px;
  line-height: 1.65;
}

.feature-list {
  margin: 0;
  padding-inline-start: 1.4em;
  font-size: 19px;
  line-height: 1.7;
}

.feature-list li + li {
  margin-top: 4px;
}

.store-link {
  display: inline-flex;
  margin-top: 34px;
  border-radius: 10px;
  transition: transform 160ms ease, opacity 160ms ease;
}

.store-link:hover {
  transform: translateY(-2px);
  opacity: 0.94;
}

.store-link:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
}

.store-link img {
  display: block;
  width: auto;
  height: 64px;
}

.official-notice {
  max-width: 520px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 13px;
  line-height: 1.55;
}

.official-notice a {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.official-notice a:hover {
  color: #fff;
}

.device-preview {
  width: 313px;
  height: 676px;
  overflow: hidden;
}

.device-preview img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-footer {
  width: min(100% - 34px, 940px);
  margin: 54px auto 0;
  padding: 52px 24px 24px;
  background: #000;
  text-align: center;
}

.support-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.support-title {
  font-size: 24px;
  line-height: 1.4;
}

.support-email {
  font-size: 20px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.support-email:hover,
.filing a:hover,
.language-links a:hover {
  text-decoration: underline;
}

.language-links {
  margin: 28px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  color: #aaa;
  font-size: 12px;
  line-height: 1.5;
}

.filing {
  width: min(100%, 440px);
  margin: 32px auto 0;
  padding-top: 16px;
  border-top: 1px solid #292929;
  color: #929292;
  font-size: 12px;
  line-height: 1.5;
}

.weixin-tip[hidden] {
  display: none;
}

.weixin-tip {
  position: fixed;
  inset: 0;
  z-index: 1000;
  padding: 24px;
  background: rgb(0 0 0 / 88%);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  text-align: center;
}

.weixin-tip-content {
  width: min(100%, 520px);
  color: #fff;
  font-size: 18px;
  line-height: 1.5;
}

.weixin-tip-content img {
  display: block;
  max-width: 70%;
  height: auto;
  margin-inline: auto;
}

@media (max-width: 800px) {
  .site-header {
    padding-block: 18px;
  }

  .header-inner {
    flex-wrap: wrap;
    gap: 14px;
  }

  .brand {
    font-size: 23px;
    gap: 10px;
  }

  .brand img {
    width: 39px;
    height: 39px;
  }

  .hero {
    min-height: 0;
    padding: 36px 20px;
    border-radius: 22px;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 36px;
  }

  .intro {
    font-size: 17px;
    line-height: 1.55;
  }

  .feature-list {
    font-size: 15px;
    line-height: 1.6;
  }

  .store-link {
    margin-top: 26px;
  }

  .store-link img {
    height: 52px;
  }

  .device-preview {
    width: 223px;
    height: 466px;
  }

  .site-footer {
    margin-top: 22px;
    padding: 34px 18px 20px;
    border-radius: 12px;
  }

  .support-title {
    font-size: 14px;
  }

  .support-email {
    font-size: 14px;
  }

  .filing {
    margin-top: 24px;
    font-size: 11px;
  }

  .language-links {
    margin-top: 22px;
    gap: 7px 12px;
    font-size: 11px;
  }

}