.source-hardware-page .hw-tab-bar {
      display: flex; gap: 0.25rem; flex-wrap: wrap; justify-content: center;
      margin: 1.75rem auto 0; max-width: 640px;
    }
    .source-hardware-page .hw-tab-bar a {
      font-size: 0.82rem; font-weight: 600; padding: 0.38rem 0.9rem;
      border-radius: 999px; border: 1px solid var(--color-border);
      color: var(--color-text-muted);
      transition: border-color var(--transition), color var(--transition), background var(--transition);
    }
    .source-hardware-page .hw-tab-bar a:hover, .source-hardware-page .hw-tab-bar a.is-active {
      border-color: var(--color-accent); color: var(--color-accent); background: var(--color-accent-dim);
    }
    .source-hardware-page .safety-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      margin-bottom: 1.5rem;
    }
    .source-hardware-page .safety-card h2 {
      font-family: var(--font-display);
      font-size: 1.1rem;
      font-weight: 700;
      margin: 0 0 0.75rem;
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }
    .source-hardware-page .safety-badge {
      display: inline-block;
      font-size: 0.65rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      padding: 0.2rem 0.55rem;
      border-radius: 999px;
    }
    .source-hardware-page .safety-badge.danger { background: #fee2e2; color: #b91c1c; }
    .source-hardware-page .safety-badge.warn { background: #fef3c7; color: #92400e; }
    .source-hardware-page .safety-badge.info { background: #dbeafe; color: #1e40af; }
    .source-hardware-page .safety-card p {
      color: var(--color-text-muted);
      line-height: 1.75;
      margin-bottom: 0.75rem;
    }
    .source-hardware-page .safety-card ul {
      padding-left: 1.5rem;
      color: var(--color-text-muted);
      line-height: 1.8;
    }
    .source-hardware-page .safety-card li { margin-bottom: 0.3rem; }
    .source-hardware-page .callout {
      border-left: 3px solid var(--color-accent);
      background: #eff6ff;
      border-radius: 0 6px 6px 0;
      padding: 0.9rem 1.25rem;
      margin: 1.5rem 0;
      font-size: 0.9rem;
      line-height: 1.6;
    }
    .source-hardware-page .callout.warn { border-color: #f59e0b; background: #fffbeb; }
    .source-hardware-page .callout.danger { border-color: #ef4444; background: #fef2f2; }
    .source-hardware-page .callout strong { display: block; margin-bottom: 0.25rem; }
    .source-hardware-page .breadcrumb {
      display: flex; align-items: center; gap: 0.5rem;
      font-size: 0.83rem; color: var(--color-text-dim);
      margin-bottom: 1rem; flex-wrap: wrap;
    }
    .source-hardware-page .breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
    .source-hardware-page .breadcrumb a:hover { color: var(--color-accent); }
    .source-hardware-page .breadcrumb span { color: var(--color-text-dim); }