html {
  scrollbar-gutter: stable;
}

.site-header {
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(220, 230, 232, 0.85);
  background: rgba(251, 253, 253, 0.9);
  backdrop-filter: blur(16px);
}

.site-header .nav {
  width: min(calc(100% - 48px), 1120px);
  margin: 0 auto;
  min-height: 72px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.site-header .brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: inherit;
  font-size: 17px;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}

.site-header .nav-links,
.site-header .nav-actions {
  display: flex;
  align-items: center;
}

.site-header .nav-links {
  gap: 28px;
  margin-left: auto;
}

.site-header .nav-links a,
.site-header .nav-login,
.site-header .nav-github {
  color: #505b61;
  font-size: 14px;
  text-decoration: none;
}

.site-header .nav-links a:hover,
.site-header .nav-links .active {
  color: #172026;
}

.site-header .nav-links .active {
  font-weight: 700;
}

.site-header .nav-actions {
  gap: 10px;
}

.site-header .site-language-switch {
  flex: none;
  padding: 8px 10px;
  border: 1px solid #dce6e8;
  border-radius: 8px;
  color: #505b61;
  background: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.site-header .site-language-switch:hover,
.site-header .site-language-switch:focus-visible {
  color: #087d89;
  border-color: #087d89;
}

.site-header .nav-github {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 12px;
}

.site-header .nav-github svg {
  width: 17px;
  height: 17px;
}

.site-header .nav-login {
  padding: 10px 9px;
  font-weight: 650;
}

.site-header .console-link {
  padding: 10px 16px;
  border: 1px solid #172026;
  border-radius: 9px;
  color: #fff;
  background: #172026;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.site-header .mobile-only,
.site-header .menu-button {
  display: none;
}

.site-header .menu-button {
  width: 42px;
  height: 42px;
  padding: 0;
  font: inherit;
  border: 1px solid #dce6e8;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}

@media (max-width: 620px) {
  .site-header .nav {
    width: calc(100% - 32px);
  }
}

.site-header .menu-button span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 4px auto;
  background: #172026;
}

@media (max-width: 1080px) {
  .site-header .nav-links,
  .site-header .nav-actions {
    display: none;
  }

  .site-header .menu-button {
    display: block;
    margin-left: 0;
  }

  .site-header .site-language-switch {
    margin-left: auto;
  }

  .site-header .nav.menu-open {
    position: relative;
  }

  .site-header .nav.menu-open .nav-links {
    position: absolute;
    top: 63px;
    right: 0;
    width: min(300px, calc(100vw - 48px));
    display: grid;
    gap: 0;
    margin: 0;
    padding: 8px;
    border: 1px solid #dce6e8;
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 20px 55px rgba(21, 32, 31, 0.1);
  }

  .site-header .nav.menu-open .nav-links a {
    padding: 13px 12px;
    border-radius: 8px;
  }

  .site-header .nav.menu-open .nav-links a:hover {
    background: #f1f6f7;
  }

  .site-header .nav.menu-open .nav-links .mobile-only {
    display: block;
  }
}