[data-mm-header].siteHeader {
  --mm-bg: #0a1a3f;
  --mm-text: #ffffff;
  --mm-primary: #ffcd46;
  --mm-overlay-bg: rgba(4, 10, 28, 0.72);
}

.siteHeader {
  background: rgba(10, 26, 63, 0.94);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.headerBrand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  min-height: 44px;
}
.headerMark { width: 36px; height: 36px; }
.headerName {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.headerName em {
  font-style: normal;
  color: var(--accent);
}

.navList { gap: 4px; }
.navLink {
  position: relative;
  display: block;
  overflow: hidden;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.3px;
  padding: 10px 14px;
  transition: color 0.3s ease;
}
.navLink::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  transform: translateX(-100%);
  transition: transform 0.3s;
}
.navLink:hover { color: var(--accent); }
.navLink:hover::after { transform: translateX(0); }

.headerToggle {
  width: 44px;
  height: 44px;
  align-items: center;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.headerToggle span {
  width: 22px;
  height: 2px;
  border-radius: 2px;
}
.headerClose {
  width: 44px;
  height: 44px;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .headerName { font-size: 19px; }
  .headerNav { border-bottom: 3px solid var(--accent); }
  .navLink {
    padding: 16px 4px;
    font-size: 18px;
    border-bottom: 1px solid var(--line);
  }
  .navLink::after { display: none; }
}