html {
  scroll-behavior: smooth;
}

body {
  overflow-wrap: anywhere;
}

main {
  display: block;
}

img {
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 1rem;
  z-index: 1000;
  padding: 0.7rem 1rem;
  color: #fff;
  background: #165dff;
  border-radius: 0 0 6px 6px;
  transform: translateY(-120%);
}

.skip-link:focus {
  transform: translateY(0);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.lang-switch {
  padding: 0;
  color: inherit;
  background: transparent;
  border: 0;
  font: inherit;
}

.lang-switch:focus-visible,
.nav-right a:focus-visible,
.footer-links a:focus-visible,
.mobile-btn:focus-visible {
  outline: 2px solid #165dff;
  outline-offset: 3px;
}

html[lang="en"] .zh,
html:not([lang="en"]) .en {
  display: none !important;
}

.download-btn.is-unavailable {
  cursor: default;
}

.download-btn.is-unavailable:hover {
  background: #165dff;
}

.download-btn.download-btn-outline {
  color: #165dff;
  background: transparent;
  border: 1px solid #165dff;
}

.download-btn.download-btn-outline.is-unavailable:hover {
  background: transparent;
}

.footer-links {
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  header {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  header nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

  header .nav-right {
    min-width: max-content;
    gap: 1rem;
  }

  header .nav-right a {
    display: inline-flex;
  }
}