/* 注入到正文页的导航条样式（类名 wz- 前缀避免与正文冲突） */
/* 在壳 iframe 内时隐藏页内面包屑（壳顶栏已显示路径），独立打开页面时保留 */
html.wz-in-frame .wz-crumbs { display: none; }
.wz-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  padding: 6px 12px;
  margin: 0 0 14px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-family: system-ui, "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 13px;
  line-height: 1.7;
}
.wz-crumbs {
  color: #64748b;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}
.wz-crumbs i {
  font-style: normal;
  color: #94a3b8;
  padding: 0 2px;
}
.wz-crumbs b {
  color: #0f172a;
  font-weight: 600;
}
.wz-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.wz-nav a.wz-btn {
  display: inline-block;
  padding: 2px 10px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  background: #ffffff;
  color: #1d4ed8 !important;
  text-decoration: none !important;
  white-space: nowrap;
}
.wz-nav a.wz-btn:hover {
  background: #eff6ff;
  border-color: #93c5fd;
}
@media (prefers-color-scheme: dark) {
  .wz-nav {
    background: #1e293b;
    border-color: #334155;
  }
  .wz-crumbs { color: #94a3b8; }
  .wz-crumbs b { color: #e2e8f0; }
  .wz-nav a.wz-btn {
    background: #0f172a;
    border-color: #334155;
    color: #93c5fd !important;
  }
  .wz-nav a.wz-btn:hover { background: #1e3a8a; }
}