.c-nav {
  background-color: #132d1d;
  position: sticky;
  top: 0;
  height: 2.5rem;
  line-height: 2.5rem;
  z-index: 1000;
  border-bottom: 1px solid #333;
  display: none;
}
.c-nav > .nav {
  width: var(--w);
  margin: 0 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #f2f2f2;
  fill: #f2f2f2;
}

.c-nav > .nav > svg {
  position: relative;
  top: 2px;
}

.c-nav > .nav > a:first-of-type::before {
  content: '';
  margin-inline: 0 0.2rem;
}
.c-nav > .nav > a::before {
  content: '/';
  margin: 0 0.5rem;
  color: #666;
}

.c-nav > .nav > a:hover {
  color: #aaa;
  text-decoration: none;
}