.chapter-nav{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 24px}.chapter-nav a{flex:1;min-width:125px;padding:12px 14px;border:1px solid #3a4943;border-radius:12px;color:#c9d5cd;text-decoration:none;font-size:14px}.chapter-nav a span{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}.chapter-nav a[aria-current="page"]{background:#183c30;border-color:#a4d7bd;color:#fff}.chapter-nav a:hover{border-color:#a4d7bd}