.pif-book-page{background:#fff;color:#17233a}
.pif-book-shell{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:56px 0 72px}
.pif-book-hero{display:grid;grid-template-columns:minmax(220px,340px) minmax(0,1fr);gap:54px;align-items:start;padding-bottom:48px;border-bottom:1px solid #e4e7eb}
.pif-book-cover{width:100%}
.pif-cover-image{display:block;width:100%;height:auto;box-shadow:0 14px 38px rgba(0,0,0,.16)}
.pif-cover-placeholder{aspect-ratio:2/3;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;border:1px solid #d8dde5;background:#f5f6f8;color:#677184;font-weight:600}
.pif-book-category{display:inline-block;margin-bottom:16px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#a60a14}
.pif-book-title{margin:0;font-size:clamp(36px,5vw,64px);line-height:1.04;color:#082653}
.pif-book-author{margin-top:18px;font-size:20px}
.pif-book-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pif-book-meta span{display:inline-block;padding:7px 11px;border:1px solid #d8dde5;border-radius:999px;font-size:13px;background:#fafbfc}
.pif-book-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.pif-book-button{display:inline-block;padding:13px 18px;border-radius:4px;background:#082653;color:#fff!important;text-decoration:none!important;font-weight:700}
.pif-book-button:hover{opacity:.9}
.pif-related-edition{margin-top:24px;padding:14px 16px;border-left:4px solid #e2a300;background:#fff8e8}
.pif-book-description{max-width:880px;margin:48px auto 0}
.pif-book-description h2,.pif-related-books h2{margin:0 0 22px;font-size:30px;color:#082653}
.pif-book-content{font-size:18px;line-height:1.8}
.pif-book-content p{margin:0 0 1.25em}
.pif-related-books{margin-top:64px;padding-top:40px;border-top:1px solid #e4e7eb}
.pif-related-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px}
.pif-related-card h3{margin:12px 0 0;font-size:16px;line-height:1.3}
.pif-related-card h3 a{color:#082653;text-decoration:none}
.pif-related-cover,.pif-related-placeholder{width:100%;aspect-ratio:2/3;object-fit:cover;display:block}
.pif-related-placeholder{background:#f4f5f7;border:1px solid #d8dde5;color:#6b7380;display:flex;align-items:center;justify-content:center;text-align:center;padding:12px;font-size:12px}
@media(max-width:900px){.pif-book-hero{grid-template-columns:1fr}.pif-book-cover{max-width:320px;margin:0 auto}.pif-related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:560px){.pif-book-shell{width:min(100% - 24px,1180px);padding-top:32px}.pif-related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}