.bingren-nav {
  position: fixed;
  left: 8px;
  top: 8px;
  z-index: 150;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  max-width: calc(100vw - 120px);
  padding: 6px 8px;
  background: rgba(12, 18, 28, 0.92);
  border: 1px solid rgba(120, 200, 255, 0.35);
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.bingren-nav.capture-hidden {
  display: none !important;
}

.bingren-nav-title {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 700;
  color: #7dd3fc;
  text-decoration: none;
  white-space: nowrap;
  border-radius: 6px;
  letter-spacing: 0.04em;
}

.bingren-nav-title:hover {
  background: rgba(125, 211, 252, 0.15);
}

.bingren-nav-link {
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 600;
  color: #e2e8f0;
  text-decoration: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

.bingren-nav-link:hover {
  background: rgba(125, 211, 252, 0.2);
  border-color: rgba(125, 211, 252, 0.4);
  color: #fff;
}

.bingren-nav-link.is-active {
  background: linear-gradient(135deg, #0ea5e9, #38bdf8);
  border-color: transparent;
  color: #0c1220;
}