.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 .specs-section {
      background: var(--color-bg-card); border: 1px solid var(--color-border);
      border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 2rem;
    }
    .source-hardware-page .specs-section-header {
      padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--color-border);
      background: var(--color-bg-elevated);
    }
    .source-hardware-page .specs-section-header h2 {
      font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; margin: 0 0 0.2rem;
    }
    .source-hardware-page .specs-section-header p { color: var(--color-text-muted); font-size: 0.85rem; margin: 0; }
    .source-hardware-page .spec-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
    .source-hardware-page .spec-table tr { border-bottom: 1px solid var(--color-border); }
    .source-hardware-page .spec-table tr:last-child { border-bottom: none; }
    .source-hardware-page .spec-table td { padding: 0.75rem 1.5rem; vertical-align: top; }
    .source-hardware-page .spec-table td:first-child { color: var(--color-text-muted); font-weight: 500; width: 40%; white-space: nowrap; }
    .source-hardware-page .spec-table td:last-child { color: var(--color-text); font-weight: 600; }
    .source-hardware-page .spec-table th {
      text-align: left; font-size: 0.75rem; font-weight: 700;
      text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted);
      padding: 0.6rem 1.5rem; border-bottom: 2px solid var(--color-border);
    }
    .source-hardware-page .flag-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
    .source-hardware-page .flag-table th {
      text-align: left; font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
      letter-spacing: 0.06em; color: var(--color-text-muted);
      padding: 0.6rem 1rem; border-bottom: 2px solid var(--color-border);
    }
    .source-hardware-page .flag-table td { padding: 0.6rem 1rem; border-bottom: 1px solid var(--color-border); vertical-align: top; }
    .source-hardware-page .flag-table tr:last-child td { border-bottom: none; }
    .source-hardware-page .flag-table td:first-child { font-family: 'JetBrains Mono', monospace; font-weight: 600; font-size: 0.82rem; }
    .source-hardware-page code {
      background: #f1f5f9; border: 1px solid #e2e8f0; border-radius: 4px;
      padding: 0.1em 0.45em; font-size: 0.85em;
      font-family: 'JetBrains Mono', 'Fira Code', monospace; color: #1e3a5f;
    }
    .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 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); }