/* ── Appended by code review fix ─────────────────────── */
    .page-title {
      font-family: var(--font-head);
      font-size: clamp(1.6rem, 3vw, 2.5rem);
      font-weight: 700;
      color: var(--text);
      margin-bottom: 0.75rem;
    }
    .page-desc {
      font-size: 1.05rem;
      color: var(--muted-light);
      max-width: 600px;
      line-height: 1.7;
    }
    .content-title { font-size: clamp(1.6rem, 3vw, 2.5rem); font-weight: 700; font-family: var(--font-head); color: var(--text); margin-bottom: 0.75rem; }
    .content-lead { font-size: 1.05rem; color: var(--muted-light); max-width: 600px; line-height: 1.7; }
    .card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; margin-bottom: 2rem; }
    .two-col { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
    .card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; transition: border-color var(--transition); position: relative; overflow: hidden; }
    .card:hover { border-color: var(--border-light); }
    .card-icon { font-size: 1.75rem; margin-bottom: 0.75rem; display: block; }
    .card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text); }
    .card p { font-size: 0.875rem; color: var(--muted-light); margin: 0; }
    .step-num { width: 36px; height: 36px; border-radius: 50%; background: var(--gold-dim); border: 1px solid rgba(212,160,23,0.3); display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--gold); font-family: var(--font-head); font-size: 0.9rem; flex-shrink: 0; margin-bottom: 0.75rem; }
    .formula-steps { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
    .formula-step { flex: 1; min-width: 180px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; }
    .formula-num { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; font-weight: 800; font-family: var(--font-head); margin-bottom: 0.75rem; }
    .formula-step h4 { font-size: 1rem; margin-bottom: 0.4rem; }
    .being-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; display: flex; flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .being-avatar { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-head); font-weight: 700; font-size: 1rem; color: white; flex-shrink: 0; }
    .being-card h4 { font-size: 1rem; font-weight: 600; color: var(--text); }
    .being-card p { font-size: 0.875rem; color: var(--muted-light); margin: 0; }
    .tag-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
    .file-tag { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 0.25rem 0.75rem; font-size: 0.8rem; font-weight: 600; color: var(--gold); font-family: var(--font-head); letter-spacing: 0.05em; }
    .code-block { position: relative; margin-bottom: 1.5rem; }
    .code-block pre { margin-bottom: 0; }
    .code-inline { font-family: 'JetBrains Mono', monospace; font-size: 0.85em; background: var(--card); color: var(--gold); padding: 0.15em 0.45em; border-radius: 4px; border: 1px solid var(--border); }
    .faq-list { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 2rem; }
    .faq-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
    .faq-q { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; cursor: pointer; font-weight: 500; color: var(--text); transition: background var(--transition); }
    .faq-q:hover { background: rgba(255,255,255,0.02); }
    .faq-arrow { color: var(--muted); font-size: 1.25rem; transition: transform 0.2s; }
    .faq-item.open .faq-arrow { transform: rotate(90deg); }
    .faq-a { display: none; padding: 0 1.25rem 1rem; }
    .faq-item.open .faq-a { display: block; }
    .faq-a p { font-size: 0.9rem; color: var(--muted-light); }
    .beings-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.25rem; margin-bottom: 2rem; }
    .page-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); }
    .page-nav-btn { display: flex; align-items: center; gap: 0.75rem; padding: 0.875rem 1.25rem; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; transition: all var(--transition); color: var(--text); font-family: var(--font-body); text-align: left; }
    .page-nav-btn:hover { border-color: var(--gold); background: var(--gold-dim); }
    .page-nav-btn.next { margin-left: auto; text-align: right; }
    .page-nav-arrow { font-size: 1.1rem; color: var(--muted); }
    .page-nav-dir { display: block; font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 2px; }
    .page-nav-title { display: block; font-size: 0.9rem; font-weight: 500; }
    .steps-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.25rem; margin-bottom: 2rem; }
    .step-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; }
    .step-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--text); }
    .step-card p { font-size: 0.875rem; color: var(--muted-light); margin: 0; }
    /* ───────────────────────────────────────────── */
    .search-modal-overlay.open { display: flex !important; }
    .search-input-field { flex: 1; background: none; border: none; outline: none; color: var(--text); font-size: 1rem; font-family: var(--font-body); }
    .search-input-field::placeholder { color: var(--muted); }
    .search-results-list { max-height: 380px; overflow-y: auto; padding: 0.5rem; }
    .search-result { display: flex; flex-direction: column; gap: 0.25rem; padding: 0.75rem 1rem; border-radius: var(--radius); cursor: pointer; transition: background var(--transition); }
    .search-result:hover { background: var(--card); }
    .search-result-badge { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); }
    .search-result-title { font-size: 0.9rem; color: var(--text); font-weight: 500; }
    .search-empty { padding: 2rem; text-align: center; color: var(--muted); font-size: 0.875rem; }