.tool-site-header {
  min-height: 72px;
  padding: 0 clamp(1rem, 5vw, 5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: #0a1534;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.tool-site-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #fff;
  text-decoration: none;
}
.tool-site-brand img { width: 126px; display: block; }
.tool-site-brand span {
  padding-left: 1rem;
  border-left: 1px solid rgba(255, 255, 255, .25);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .16em;
}
.tool-site-nav { display: flex; gap: .45rem; flex-wrap: wrap; justify-content: flex-end; }
.tool-site-nav a {
  padding: .55rem .75rem;
  border-radius: .6rem;
  color: #d9e7f5;
  text-decoration: none;
  font-size: .82rem;
  font-weight: 700;
}
.tool-site-nav a:hover { background: rgba(255, 255, 255, .1); color: #fff; }
.tool-site-footer {
  padding: 1.4rem clamp(1rem, 5vw, 5rem);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid #dce5ee;
  color: #5c667a;
  font-size: .82rem;
}
.tool-site-footer nav { display: flex; gap: .8rem; flex-wrap: wrap; }
.tool-site-footer a { color: inherit; }
@media (max-width: 700px) {
  .tool-site-header { padding-top: .8rem; padding-bottom: .8rem; align-items: flex-start; }
  .tool-site-brand span { display: none; }
  .tool-site-nav { max-width: 55%; }
}