.faq-book{max-width:860px;margin:0 auto;padding:40px 0 72px}
.faq-book h1{font-size:clamp(26px,3.6vw,40px);margin-bottom:12px;text-align:center}
.faq-book .lead{color:var(--muted);text-align:center;margin-bottom:28px}
.chapter{margin-bottom:28px}
.chapter h2{font-size:18px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--navy-d);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
.chapter details{margin-bottom:8px}
.chapter .acc-body img{width:100%;border-radius:10px;margin-top:12px;border:1px solid var(--line);aspect-ratio:16/10;object-fit:cover}
.toc-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:32px}
.toc-pills a{padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:13px;font-weight:700;background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
.toc-pills a:hover{background:var(--navy-d);color:#fff;border-color:var(--navy-d)}