.page-book .book-shell{max-width:1160px}
.page-book .book-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(240px,.65fr);gap:28px 48px;padding:12px 0 40px}
.page-book .book-heading{display:flex;flex-direction:column;align-items:flex-start}
.page-book .book-heading h1,.page-book .book-chapter-hero h1{font-size:clamp(2rem,4.1vw,3.35rem);line-height:1.13;letter-spacing:-.035em;color:#17232e;margin:0 0 22px;max-width:24ch;overflow-wrap:break-word}
.page-book .book-heading .book-eyebrow{order:-1}
.page-book .book-eyebrow{font-size:.78rem;font-weight:750;letter-spacing:.13em;text-transform:uppercase;color:#78601d;margin:0 0 16px}
.page-book .book-deck{font-size:1.15rem;line-height:1.65;max-width:46ch;margin:0;color:#46535e}
.page-book .book-intro-panel{align-self:center;background:#fff;border:1px solid #dce2e7;border-top:3px solid #b59133;border-radius:12px;padding:26px 28px}
.page-book .book-intro-panel p:first-child{font-size:.86rem;text-transform:uppercase;letter-spacing:.08em;color:#78601d;font-weight:700;margin-bottom:12px}
.page-book .book-intro-panel p:last-child{font-size:1.35rem;font-weight:650;line-height:1.45;color:#17232e;margin:0}
.page-book .book-overview{grid-column:1/-1;max-width:850px}
.page-book .book-overview p{font-size:1.06rem;line-height:1.8;color:#46535e;margin:0 0 12px}
.page-book .book-section-heading{font-size:clamp(1.45rem,2.4vw,2rem);line-height:1.25;margin:0 0 24px;color:#17232e}
.page-book .book-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.page-book .book-chapter-card{position:relative;display:flex;flex-direction:column;gap:14px;min-height:142px;padding:26px 54px 26px 28px;background:#fff;border:1px solid #dce2e7;border-radius:12px;text-decoration:none!important;transition:border-color .15s,box-shadow .15s,transform .15s}
.page-book .book-chapter-card:hover{border-color:#b59133;box-shadow:0 7px 22px rgba(23,35,46,.06);transform:translateY(-2px)}
.page-book .book-card-number{font-size:.74rem;line-height:1.4;font-weight:750;letter-spacing:.11em;text-transform:uppercase;color:#78601d}
.page-book .book-chapter-card h3{font-size:1.16rem;font-weight:650;line-height:1.42;letter-spacing:-.015em;margin:0;color:#17232e}
.page-book .book-card-arrow{position:absolute;right:24px;top:24px;color:#8f7122;width:18px;height:18px}
.page-book .book-chapter-hero{padding:0 0 30px;max-width:940px}
.page-book .book-breadcrumb{font-size:.88rem;line-height:1.6;margin:0 0 28px;color:#586571}
.page-book .book-breadcrumb a{text-decoration:underline;text-underline-offset:.18em}
.page-book .book-subtitle{font-size:1.12rem;line-height:1.7;color:#46535e;max-width:65ch;margin:0}
.page-book .book-reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 225px;gap:34px;align-items:start}
.page-book .book-article{background:#fff;border:1px solid #dce2e7;border-radius:12px;padding:34px 38px;min-width:0;overflow-wrap:break-word}
.page-book .book-article p,.page-book .book-article li{font-size:1.03rem;line-height:1.85;color:#34434f}
.page-book .book-article p{margin:0 0 1.25em}
.page-book .book-article h2{font-size:1.4rem;line-height:1.35;letter-spacing:-.02em;color:#17232e;margin:34px 0 16px;scroll-margin-top:24px}
.page-book .book-article h2:first-child{margin-top:0}
.page-book .book-article h3{font-size:1.15rem;line-height:1.4;margin:26px 0 12px;color:#17232e}
.page-book .book-article ul{list-style:disc;padding-left:1.35rem;margin:0 0 24px}
.page-book .book-article ol{list-style:decimal;padding-left:1.35rem;margin:0 0 24px}
.page-book .book-article li{padding-left:3px;margin-bottom:12px}
.page-book .book-article blockquote{border-left:3px solid #b59133;background:#faf8f1;padding:20px 24px;margin:28px 0}
.page-book .book-article blockquote p:last-child{margin:0}
.page-book .book-toc{position:sticky;top:24px;border-left:1px solid #dce2e7;padding-left:20px;max-height:calc(100vh - 48px);overflow-y:auto}
.page-book .book-toc h2{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;margin:0 0 18px;color:#78601d}
.page-book .book-toc a,.page-book .book-mobile-toc a{display:block;color:#46535e;font-size:.88rem;line-height:1.55;padding:0 0 13px;text-decoration:none}
.page-book .book-toc a:hover,.page-book .book-mobile-toc a:hover{text-decoration:underline;color:#17232e}
.page-book .book-pagination{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}
.page-book .book-pagination a{display:flex;align-items:center;background:#fff;border:1px solid #dce2e7;border-radius:10px;padding:20px 22px;color:#34434f;font-size:.94rem;line-height:1.6;text-decoration:none}
.page-book .book-pagination a:hover{border-color:#b59133;text-decoration:underline;text-underline-offset:.18em}
.page-book .book-separator{display:none}
.page-book .book-mobile-toc{display:none;margin-bottom:24px;background:#fff;border:1px solid #dce2e7;border-radius:10px;padding:17px 20px}
.page-book .book-mobile-toc summary{font-size:.92rem;font-weight:650;color:#34434f;cursor:pointer;list-style:revert}
.page-book .book-mobile-toc>div{padding-top:18px}
@media(max-width:900px){.page-book .book-reading-layout{grid-template-columns:1fr;gap:0}.page-book .book-toc{display:none}.page-book .book-mobile-toc{display:block}.page-book .book-hero{gap:24px;grid-template-columns:1fr}.page-book .book-intro-panel{max-width:650px}.page-book .book-article{padding:28px}}
@media(max-width:600px){.page-book .book-hero{padding:4px 0 30px;gap:22px}.page-book .book-heading h1,.page-book .book-chapter-hero h1{font-size:clamp(1.85rem,7.1vw,2.35rem);line-height:1.2;letter-spacing:-.025em;margin-bottom:18px}.page-book .book-intro-panel{padding:20px 22px}.page-book .book-intro-panel p:last-child{font-size:1.16rem}.page-book .book-overview p,.page-book .book-deck{font-size:1rem;line-height:1.75}.page-book .book-card-grid{grid-template-columns:1fr;gap:14px}.page-book .book-chapter-card{min-height:0;padding:22px 48px 22px 22px;gap:10px}.page-book .book-chapter-card h3{font-size:1.1rem}.page-book .book-card-arrow{top:19px;right:20px}.page-book .book-breadcrumb{margin-bottom:22px}.page-book .book-chapter-hero{padding-bottom:22px}.page-book .book-subtitle{font-size:1rem;line-height:1.75}.page-book .book-article{padding:24px 21px}.page-book .book-article p,.page-book .book-article li{font-size:1rem;line-height:1.8}.page-book .book-article h2{font-size:1.28rem}.page-book .book-pagination{grid-template-columns:1fr;gap:12px}.page-book .book-pagination a{padding:18px 20px}}