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.15s}.bookshelf-filter-clear:hover{color:var(--ink);border-color:var(--ink-mid)}.bookshelf-count{font-size:12px;color:var(--ink-muted);margin-bottom:28px;letter-spacing:.03em}.bookshelf-cover-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(175px,1fr));grid-gap:40px 24px;gap:40px 24px;margin-bottom:var(--space-lg)}.book-cover-card{display:flex;flex-direction:column;gap:12px}.book-cover-wrap{width:100%;aspect-ratio:2/3;border-radius:3px;overflow:hidden;box-shadow:0 6px 24px rgba(0,0,0,.16),2px 2px 8px rgba(0,0,0,.08);background:var(--forest);position:relative;flex-shrink:0}.book-cover-wrap img{width:100%;height:100%;object-fit:cover;display:block}.book-cover-placeholder{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;text-align:center;background:linear-gradient(135deg,var(--forest) 0,var(--forest-light) 100%)}.book-cover-placeholder-title{font-family:var(--font-display);font-size:14px;color:var(--cream);line-height:1.35;font-weight:600}.book-cover-placeholder-author{font-size:10px;color:rgba(245,242,236,.65);margin-top:10px}.book-cover-rank{position:absolute;top:8px;left:8px;background:var(--gold);color:var(--white);font-size:10px;font-weight:600;padding:2px 7px;border-radius:100px;letter-spacing:.04em;z-index:1}.book-cover-meta{display:flex;flex-direction:column;gap:3px}.book-cover-title{font-family:var(--font-display);font-size:15px;line-height:1.3;color:var(--ink);font-weight:600;letter-spacing:-.01em}.book-cover-author{font-size:12px;color:var(--ink-muted)}.book-cover-tags{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:2px}.book-cover-category{font-size:10px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--forest)}.book-cover-year{font-size:10px;color:var(--ink-muted)}.book-cover-card{cursor:pointer}.book-cover-card:hover .book-cover-wrap{opacity:.88}.book-cover-wrap{transition:opacity .2s}.book-modal{max-width:760px}.book-modal-header{display:grid;grid-template-columns:160px 1fr;grid-gap:32px;gap:32px;padding:32px 32px 0}.book-modal-cover-wrap{position:relative;width:160px;height:230px;border-radius:var(--radius-sm);overflow:hidden;background:var(--cream);flex-shrink:0}.book-modal-meta{display:flex;flex-direction:column;gap:6px;position:relative}.book-modal-meta .modal-close{position:absolute;top:0;right:0}.book-modal-rank{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted)}.book-modal-title{font-family:var(--font-display);font-size:22px;font-weight:600;line-height:1.25;color:var(--ink);letter-spacing:-.01em;margin:0;padding-right:32px}.book-modal-author{font-size:14px;color:var(--ink-mid)}.book-modal-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:2px}.book-modal-description{font-size:13px;color:var(--ink-mid);line-height:1.6;margin-top:8px;font-style:italic}.book-modal-body{padding:28px 32px 36px;border-top:1px solid var(--border);margin-top:28px}.book-modal-summary{font-size:14px;color:var(--ink-mid);line-height:1.75;white-space:pre-wrap}@media (max-width:600px){.book-modal-header{grid-template-columns:1fr}.book-modal-cover-wrap{width:120px;height:172px}}@media (max-width:1024px){.bookshelf-cover-grid{grid-template-columns:repeat(auto-fill,minmax(155px,1fr))}}@media (max-width:768px){.bookshelf-cover-grid{grid-template-columns:repeat(3,1fr);gap:32px 16px}}@media (max-width:480px){.bookshelf-cover-grid{grid-template-columns:repeat(2,1fr);gap:28px 14px}}.guide-intro{display:flex;justify-content:center;padding:80px 0}.guide-intro-inner{max-width:700px;width:100%;padding:0 var(--side,clamp(20px,6vw,80px))}.guide-lead{font-family:var(--font-display);font-size:clamp(1.2rem,2.5vw,1.5rem);line-height:1.6;color:var(--ink);margin-bottom:24px}.guide-body-text{font-size:1rem;line-height:1.8;color:var(--ink-mid,#555);margin-bottom:20px}.guide-toc{margin-top:40px;border-left:3px solid var(--gold);padding-left:24px}.guide-toc-label{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:12px}.guide-toc-list{margin:0;padding:0 0 0 20px;color:var(--ink-mid,#555);font-size:.925rem;line-height:2}.guide-technique-inner{max-width:700px;width:100%;margin:0 auto;padding:64px 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28px;font-size:.9rem;line-height:1.8;color:var(--ink);white-space:pre-wrap;border-radius:0 4px 4px 0}.guide-note{font-size:.9rem;line-height:1.75;color:var(--ink-mid,#555);font-style:italic;border-top:1px solid rgba(0,0,0,.07);padding-top:20px;margin-top:8px}