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var(--actionPrimaryBorder)}.action-btn-primary[data-astro-cid-bm7bmfic]:hover{background:var(--actionPrimaryHoverBg);border-color:var(--actionPrimaryHoverBg)}.action-btn-secondary[data-astro-cid-bm7bmfic]{background:#fff;color:var(--actionSecondaryColor);border:1.5px solid var(--actionSecondaryBorder)}.action-btn-secondary[data-astro-cid-bm7bmfic]:hover{background:var(--actionSecondaryHoverBg);border-color:var(--actionSecondaryHoverBorder);box-shadow:0 2px 8px var(--hoverShadow)}.book-content[data-astro-cid-bm7bmfic]{background:#fff;border:1.5px solid var(--contentBorder);border-radius:18px;padding:2rem 2.2rem 1.8rem;margin-bottom:1.25rem;box-shadow:0 1px 8px #0000000a}.book-content[data-astro-cid-bm7bmfic] h2{font-size:1.08rem;font-weight:800;color:#1e293b;margin:2.2rem 0 .85rem;padding-bottom:.45rem;border-bottom:2px solid var(--hrColor)}.book-content[data-astro-cid-bm7bmfic] h2:first-child{margin-top:0}.book-content[data-astro-cid-bm7bmfic] h3{font-size:.9rem;font-weight:700;color:var(--h3Color);margin:1.6rem 0 .5rem;padding:.38rem .85rem;background:var(--h3Bg);border-radius:7px;border-left:3px solid var(--h3Border)}.book-content[data-astro-cid-bm7bmfic] p{line-height:1.88;color:#475569;margin-bottom:.8rem;font-size:.94rem}.book-content[data-astro-cid-bm7bmfic] blockquote{border-left:3px solid var(--blockquoteBorder);padding:.75rem 1.25rem;margin:1.4rem 0;background:var(--blockquoteBg);border-radius:0 10px 10px 0;color:var(--blockquoteColor);font-style:italic;font-size:.95rem;line-height:1.75}.book-content[data-astro-cid-bm7bmfic] strong{color:#1e293b;font-weight:700}.book-content[data-astro-cid-bm7bmfic] a{color:var(--primary);text-decoration:underline;text-underline-offset:2px;font-weight:600;font-size:.85rem}.book-content[data-astro-cid-bm7bmfic] ul,.book-content[data-astro-cid-bm7bmfic] ol{padding-left:1.4rem;margin-bottom:1rem}.book-content[data-astro-cid-bm7bmfic] li{line-height:1.8;color:#475569;margin-bottom:.3rem;font-size:.94rem}.book-content[data-astro-cid-bm7bmfic] hr{border:none;border-top:1.5px solid var(--contentHrColor);margin:1.5rem 0}.concepts-section[data-astro-cid-bm7bmfic]{margin-bottom:1.25rem}.section-label[data-astro-cid-bm7bmfic]{font-size:.67rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#94a3b8;margin-bottom:.85rem;display:flex;align-items:center;gap:.45rem}.concepts-grid[data-astro-cid-bm7bmfic]{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:.5rem}.concept-chip[data-astro-cid-bm7bmfic]{background:#fff;border:1.5px solid var(--contentBorder);border-radius:10px;padding:.7rem .9rem;text-decoration:none;color:inherit;transition:all .18s;display:block}.concept-chip[data-astro-cid-bm7bmfic]:hover{border-color:var(--conceptChipHover);box-shadow:0 3px 12px var(--conceptChipHoverShadow);transform:translateY(-2px)}.concept-chip-name[data-astro-cid-bm7bmfic]{font-size:.82rem;font-weight:700;color:#1e293b;margin-bottom:.2rem}.concept-chip-theme[data-astro-cid-bm7bmfic]{font-size:.65rem;color:var(--conceptThemeColor)}@media(max-width:600px){.book-hero[data-astro-cid-bm7bmfic],.book-content[data-astro-cid-bm7bmfic]{padding:1.4rem 1.2rem}.concepts-grid[data-astro-cid-bm7bmfic]{grid-template-columns:repeat(2,1fr)}}