[data-opening-logo],
[data-site-header] [data-brand] {
  font-family: "BYCJ Montserrat", Montserrat, sans-serif !important;
  font-weight: 600 !important;
  letter-spacing: 0.07em !important;
}

[data-site-header] [data-brand] {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.3rem 0.5rem;
  color: #111;
  background: #fff;
  border-radius: 0.5rem;
}

[data-site-header] {
  mix-blend-mode: normal !important;
}

[data-site-header] > [data-header-intro],
[data-site-header] > nav,
[data-site-header] > [data-corner-mark] {
  mix-blend-mode: difference;
}

[data-site-header] [data-brand]::before {
  content: "";
  display: block;
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 2.25rem;
  border-radius: 0.4rem;
  background: #fff url("./bycj-logo.png") center / contain no-repeat;
}

.brand .brand-name {
  font-family: "BYCJ Source Han Sans CN", sans-serif !important;
  font-weight: 500 !important;
  letter-spacing: 0.1em !important;
}

@media (max-width: 480px) {
  [data-site-header] [data-brand] {
    gap: 0.4rem;
  }

  [data-site-header] [data-brand]::before {
    width: 1.75rem;
    height: 1.75rem;
    flex-basis: 1.75rem;
  }
}