.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 28px;
  width: 100%;
  padding: 16px 32px;
  background: var(--header-bg);
  backdrop-filter: blur(18px);
  transition:
    background 220ms ease,
    backdrop-filter 220ms ease,
    -webkit-backdrop-filter 220ms ease;
}

.site-header.is-product-menu-open {
  background: var(--bg);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.brand {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav-item {
  position: relative;
}

.nav-trigger {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  appearance: none;
  transition: color 160ms ease;
}

.nav-trigger::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-left: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 160ms ease;
}

.nav a,
.nav-trigger {
  transition: color 160ms ease;
}

.nav a:hover,
.nav-trigger:hover,
.product-nav.is-open .nav-trigger {
  color: var(--ink);
}

.product-nav.is-open .nav-trigger::after {
  transform: translateY(1px) rotate(225deg);
}

.product-menu {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  z-index: 18;
  background: var(--bg);
  color: var(--ink);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: translateY(-10px);
  transition:
    opacity 180ms ease,
    transform 220ms ease,
    visibility 0ms linear 220ms;
  box-shadow: 0 28px 42px -32px rgba(15, 23, 42, 0.16);
}

.product-nav.is-open .product-menu {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity 180ms ease,
    transform 220ms ease,
    visibility 0ms linear 0ms;
}

.product-menu-inner {
  display: block;
  width: 100%;
  margin: 0;
  padding: 22px 32px 28px var(--product-menu-left, 32px);
}

.product-menu-list {
  display: grid;
  gap: 24px;
  width: fit-content;
}

.product-menu-link {
  display: grid;
  gap: 6px;
  width: fit-content;
  max-width: min(360px, calc(100vw - var(--product-menu-left, 32px) - 32px));
  color: var(--ink);
  font-family: inherit;
}

.product-menu-link span {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.35;
}

.product-menu-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.product-menu-title b {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 0 7px;
  border: 1px solid rgba(36, 88, 245, 0.26);
  border-radius: 999px;
  color: var(--brand);
  font-size: 11px;
  font-weight: 450;
  line-height: 1;
}

.product-menu-link small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
}

.product-menu-link:hover span {
  color: var(--brand);
}

.product-menu-scrim {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 17;
  background: rgba(246, 248, 252, 0);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  backdrop-filter: blur(0) saturate(1);
  -webkit-backdrop-filter: blur(0) saturate(1);
  transition:
    background 260ms ease,
    opacity 220ms ease,
    -webkit-backdrop-filter 260ms ease,
    backdrop-filter 260ms ease,
    visibility 0ms linear 260ms;
}

.is-product-menu-open .product-menu-scrim {
  background: rgba(246, 248, 252, 0.58);
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  backdrop-filter: blur(22px) saturate(1.08);
  -webkit-backdrop-filter: blur(22px) saturate(1.08);
  transition:
    background 260ms ease,
    opacity 220ms ease,
    -webkit-backdrop-filter 260ms ease,
    backdrop-filter 260ms ease,
    visibility 0ms linear 0ms;
}

@media (prefers-color-scheme: dark) {
  .product-menu-scrim {
    background: rgba(0, 0, 0, 0);
  }

  .is-product-menu-open .product-menu-scrim {
    background: rgba(0, 0, 0, 0.46);
  }
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
  font-size: 14px;
  font-weight: 560;
}

.try-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--brand);
  color: var(--button-ink);
}

.try-link:hover {
  background: var(--brand-strong);
}

html:not([lang^="zh"]) .icp-link {
  display: none;
}

.site-footer {
  display: grid;
  gap: 14px;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-slogan {
  color: var(--ink);
  font-family: var(--brand-font);
  font-size: var(--footer-slogan-size, clamp(17px, 1.5vw, 21px));
  font-weight: 500;
  line-height: 1.25;
  white-space: nowrap;
}

.footer-slogan em {
  color: var(--brand);
  font-style: normal;
}

.footer-made-by {
  color: var(--muted);
  font-family: inherit;
  font-size: inherit;
  font-weight: 400;
  line-height: inherit;
  white-space: normal;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.site-footer a,
.site-footer div span {
  color: var(--muted);
}

.language-picker {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  color: var(--muted);
  font-size: 13px;
}

.language-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  color: var(--muted);
}

.language-icon svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.language-current-button {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition:
    color 160ms ease;
}

.language-current-button::after {
  content: "";
  width: 6px;
  height: 6px;
  margin-left: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}

.language-current-button:hover {
  color: var(--brand);
}

.language-current-button:focus-visible {
  outline: 2px solid rgba(36, 88, 245, 0.28);
  outline-offset: 2px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto 1fr;
    gap: 18px;
  }

  .nav {
    justify-content: flex-start;
    font-size: 13px;
  }

  .product-menu {
    top: 62px;
  }

  .product-menu-inner {
    padding-top: 22px;
    padding-bottom: 26px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .language-picker {
    width: 100%;
    margin-left: 0;
  }

  .footer-slogan {
    width: 100%;
    overflow: hidden;
  }
}

@media (max-width: 560px) {
  .site-header {
    grid-template-columns: auto 1fr;
    gap: 16px;
    padding: 14px 16px;
  }

  .nav {
    justify-content: flex-end;
    font-size: 13px;
  }

  .product-menu {
    top: 58px;
    box-shadow: 0 24px 36px -28px rgba(15, 23, 42, 0.18);
  }

  .product-menu-inner {
    padding: 18px 16px 20px;
  }

  .product-menu-list {
    width: 100%;
    gap: 10px;
  }

  .product-menu-link {
    width: 100%;
    max-width: none;
    padding: 14px 0;
    border-top: 1px solid var(--line);
  }

  .product-menu-link:first-child {
    border-top: 0;
  }

  .product-menu-link span {
    font-size: 15px;
    font-weight: 520;
  }

  .product-menu-link small {
    max-width: 30em;
    font-size: 13px;
  }

  .product-menu-scrim {
    top: 58px;
  }

  .header-actions {
    display: none;
  }

}