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.15s}.book-filter-btn[data-astro-cid-ezl5s6rh]:hover{color:#fff;background:#ffffff14}.book-filter-btn[data-astro-cid-ezl5s6rh].active{color:#000;background:#fff;border-color:#fff;font-weight:600}.live-books-search-bar[data-astro-cid-ezl5s6rh]{margin-bottom:24px}.search-input-wrap[data-astro-cid-ezl5s6rh]{border:1px solid var(--card-border);border-radius:var(--radius-md);background:#080808;align-items:center;gap:10px;padding:8px 14px;display:flex}.book-search-input[data-astro-cid-ezl5s6rh]{color:#fff;background:0 0;border:none;outline:none;flex:1;font-size:13.5px}.live-book-results-grid[data-astro-cid-ezl5s6rh]{border-bottom:1px dashed #ffffff26;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:32px;padding-bottom:24px;display:grid}.live-book-results-grid[data-astro-cid-ezl5s6rh].hidden{display:none}.books-grid[data-astro-cid-ezl5s6rh]{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;display:grid}.book-card[data-astro-cid-ezl5s6rh]{flex-direction:column;gap:12px;padding:22px;display:flex}.book-card-top[data-astro-cid-ezl5s6rh]{justify-content:space-between;align-items:center;display:flex}.book-emoji[data-astro-cid-ezl5s6rh]{font-size:28px}.book-title[data-astro-cid-ezl5s6rh]{color:#fff;margin:4px 0 0;font-size:16px;font-weight:700;line-height:1.35}.book-author[data-astro-cid-ezl5s6rh]{color:var(--text-muted);margin:0;font-size:12px}.book-desc[data-astro-cid-ezl5s6rh]{color:var(--text-secondary);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:12.5px;line-height:1.5;display:-webkit-box;overflow:hidden}.book-meta-row[data-astro-cid-ezl5s6rh]{justify-content:space-between;align-items:center;margin-top:auto;padding-top:6px;display:flex}.book-level[data-astro-cid-ezl5s6rh]{font-size:11px;font-family:var(--font-mono);color:var(--text-muted)}.book-card-actions[data-astro-cid-ezl5s6rh]{border-top:1px solid #ffffff0d;flex-direction:column;gap:8px;padding-top:12px;display:flex}.open-reader-btn[data-astro-cid-ezl5s6rh]{justify-content:center;width:100%}.book-sub-actions[data-astro-cid-ezl5s6rh]{gap:6px;display:flex}.book-sub-actions[data-astro-cid-ezl5s6rh] button[data-astro-cid-ezl5s6rh],.book-sub-actions[data-astro-cid-ezl5s6rh] a[data-astro-cid-ezl5s6rh]{flex:1;justify-content:center;font-size:11px}.reader-dialog[data-astro-cid-ezl5s6rh]{border-radius:var(--radius-xl);background:#0d0d0d;border:1px solid #ffffff26;width:95vw;max-width:1300px;height:90vh;padding:0;overflow:hidden;box-shadow:0 25px 60px #000000e6,0 0 50px #a855f733}.reader-modal-content[data-astro-cid-ezl5s6rh]{flex-direction:column;height:100%;display:flex}.reader-top-bar[data-astro-cid-ezl5s6rh]{border-bottom:1px solid var(--card-border);background:#111;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;display:flex}.reader-brand[data-astro-cid-ezl5s6rh]{align-items:center;gap:10px;display:flex}.modal-emoji[data-astro-cid-ezl5s6rh]{font-size:26px}.modal-title-box[data-astro-cid-ezl5s6rh] h3[data-astro-cid-ezl5s6rh]{color:#fff;margin:0;font-size:15px}.modal-author[data-astro-cid-ezl5s6rh]{color:var(--text-muted);font-size:11px}.reader-controls[data-astro-cid-ezl5s6rh]{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.theme-selector[data-astro-cid-ezl5s6rh]{border-radius:var(--radius-md);background:#ffffff0d;gap:2px;padding:2px;display:flex}.reader-theme-btn[data-astro-cid-ezl5s6rh]{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px 8px;font-size:11px}.reader-theme-btn[data-astro-cid-ezl5s6rh].active{color:#000;background:#fff;font-weight:600}.font-size-controls[data-astro-cid-ezl5s6rh]{border-radius:var(--radius-md);background:#ffffff0d;align-items:center;gap:2px;padding:2px;display:flex}.font-btn[data-astro-cid-ezl5s6rh]{font-size:11px;font-family:var(--font-mono);color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:4px 8px}.font-btn[data-astro-cid-ezl5s6rh]:hover{color:#fff}.reader-close-btn[data-astro-cid-ezl5s6rh]{border:1px solid var(--card-border);color:#fff;cursor:pointer;background:#ffffff14;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;display:flex}.reader-close-btn[data-astro-cid-ezl5s6rh]:hover{color:#000;background:#f87171}.reader-layout[data-astro-cid-ezl5s6rh]{flex:1;grid-template-columns:280px 1fr;display:grid;overflow:hidden}.reader-sidebar[data-astro-cid-ezl5s6rh]{border-right:1px solid var(--card-border);background:#090909;flex-direction:column;display:flex;overflow-y:auto}.sidebar-head[data-astro-cid-ezl5s6rh]{color:var(--text-muted);border-bottom:1px solid var(--card-border);padding:12px 16px;font-size:12px;font-weight:600}.reader-toc-list[data-astro-cid-ezl5s6rh]{flex-direction:column;flex:1;gap:2px;padding:10px;display:flex}.toc-item-btn{border-radius:var(--radius-md);text-align:left;cursor:pointer;color:var(--text-secondary);background:0 0;border:1px solid #0000;align-items:flex-start;gap:10px;padding:10px 12px;font-size:12px;line-height:1.4;transition:all .15s;display:flex}.toc-item-btn:hover{color:#fff;background:#ffffff0a}.toc-item-btn.active{color:#c084fc;background:#a855f726;border-color:#a855f766;font-weight:600}.toc-num{font-family:var(--font-mono);color:var(--text-muted);background:#ffffff14;border-radius:4px;padding:1px 6px;font-size:11px}.toc-item-btn.active .toc-num{color:#fff;background:#a855f7}.sidebar-foot[data-astro-cid-ezl5s6rh]{border-top:1px solid var(--card-border);padding:14px}.reader-page-content[data-astro-cid-ezl5s6rh]{background:#080808;padding:36px 48px;transition:background .2s,color .2s;position:relative;overflow-y:auto}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=sepia]{color:#3b2a1a;background:#fbf0d9}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=sepia] .chapter-title,.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=sepia] h2,.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=sepia] h3{color:#2b1d0c}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=sepia] .detailed-text{color:#4a3622}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=sepia] .reader-code-block{color:#2b1d0c;background:#edd8b4;border-color:#d1b48c}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=light]{color:#1a1a1a;background:#fff}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=light] .chapter-title,.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=light] h2,.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=light] h3{color:#000}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=light] .detailed-text{color:#333}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=light] .reader-code-block{color:#09090b;background:#f4f4f5;border-color:#e4e4e7}.watermark-overlay[data-astro-cid-ezl5s6rh]{font-size:26px;font-family:var(--font-mono);color:#ffffff09;pointer-events:none;white-space:nowrap;user-select:none;z-index:1;font-weight:800;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(-35deg)}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=sepia] .watermark-overlay[data-astro-cid-ezl5s6rh]{color:#3c28140f}.reader-page-content[data-astro-cid-ezl5s6rh][data-theme=light] .watermark-overlay[data-astro-cid-ezl5s6rh]{color:#0000000a}.reader-body-inner[data-astro-cid-ezl5s6rh]{z-index:2;max-width:850px;margin:0 auto;font-size:15px;line-height:1.7;position:relative}.chapter-content-box{flex-direction:column;gap:28px;display:flex}.chapter-header{border-bottom:1px solid var(--card-border);padding-bottom:18px}.chapter-badge{font-size:11px;font-family:var(--font-mono);color:#a855f7;background:#a855f71a;border-radius:4px;padding:2px 8px}.chapter-title{color:#fff;margin:10px 0 6px;font-size:26px;font-weight:800}.chapter-summary{color:var(--text-secondary);margin:0;font-size:14px}.reader-section h3{color:#fff;margin-bottom:12px;font-size:17px;font-weight:700}.key-points-list{flex-direction:column;gap:10px;padding-left:20px;display:flex}.key-points-list li{line-height:1.6}.code-header{color:var(--text-muted);justify-content:space-between;align-items:center;margin-bottom:6px;font-size:12px;display:flex}.copy-code-btn{border:1px solid var(--card-border);color:var(--text-secondary);cursor:pointer;background:#ffffff14;border-radius:4px;padding:3px 8px;font-size:11px}.reader-code-block{border:1px solid var(--card-border);border-radius:var(--radius-md);font-family:var(--font-mono);color:#38bdf8;background:#000;padding:16px;font-size:12.5px;line-height:1.5;overflow-x:auto}.detailed-text{color:var(--text-secondary);font-size:15px;line-height:1.75}.chapter-nav-row{border-top:1px solid var(--card-border);justify-content:space-between;align-items:center;margin-top:20px;padding-top:24px;display:flex}.printable-book-container[data-astro-cid-ezl5s6rh]{display:none}@media print{body [data-astro-cid-ezl5s6rh]{visibility:hidden}#printable-book-container[data-astro-cid-ezl5s6rh],#printable-book-container[data-astro-cid-ezl5s6rh] [data-astro-cid-ezl5s6rh]{visibility:visible}#printable-book-container[data-astro-cid-ezl5s6rh]{color:#000;background:#fff;width:100%;padding:20mm;font-family:serif;display:block;position:absolute;top:0;left:0}.print-watermark-stamp{color:#777;border:1px solid #ccc;border-radius:3mm;padding:2mm 4mm;font-family:sans-serif;font-size:10pt;position:fixed;top:10mm;right:15mm}.print-watermark-bg{color:#0000000d;white-space:nowrap;z-index:0;font-family:sans-serif;font-size:32pt;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)rotate(-35deg)}.print-chapter{page-break-after:always;margin-bottom:20mm;position:relative}.print-code{white-space:pre-wrap;background:#f5f5f5;border:1px solid #ddd;padding:10px;font-family:monospace;font-size:9pt}.print-footer{text-align:center;color:#888;border-top:1px solid #e0e0e0;padding-top:3mm;font-size:9pt;position:fixed;bottom:5mm;left:0;right:0}}@media (width<=850px){.reader-layout[data-astro-cid-ezl5s6rh]{grid-template-columns:1fr}.reader-sidebar[data-astro-cid-ezl5s6rh]{max-height:180px}.reader-page-content[data-astro-cid-ezl5s6rh]{padding:20px}}