.header-shop{font-size:12px;color:var(--wine);font-weight:600;text-decoration:none;white-space:nowrap}
.header-shop:hover{text-decoration:underline}
@media(max-width:700px){.header-shop{display:none}}
[hidden]{display:none!important}
.publisher-disclosure{font-size:12px;color:var(--muted);padding:12px 0}
.library-nav{max-width:none;gap:12px;margin-bottom:24px}
.library-nav a{padding:10px 16px;border:1px solid var(--line);border-radius:24px;text-decoration:none;color:var(--ink)}
.guide-search{display:block;font-size:14px;margin-bottom:28px}
.guide-search input{display:block;width:100%;max-width:560px;min-height:48px;margin-top:8px;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--white);font:inherit;color:var(--ink)}
.guide-search input:focus-visible{outline:3px solid var(--wine);outline-offset:3px}
.article-toc{display:grid;gap:12px;padding:24px;margin:24px 0;border:1px solid var(--line);max-width:800px;font-size:15px}
.guide-chapters{max-width:800px;margin:32px auto}
.guide-chapters section{padding:24px 0;scroll-margin-top:24px}
.guide-chapters h2{font-size:30px;margin-bottom:16px}
.guide-chapters p{line-height:1.8}