.mq-book-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:20px;align-items:start}.mq-book-index{background:#16382e;color:#fff1d0;border-radius:12px;padding:14px}.mq-book-index summary{cursor:pointer;min-height:44px}.mq-book-index nav{display:grid;gap:6px}.mq-book-index button{padding:10px;background:#254b3f;color:#fff0d0;border:1px solid #809979;text-align:left;white-space:normal;min-height:44px}.mq-book{min-width:0;border:10px solid #5a3b23;border-radius:14px;background:#a77c44;box-shadow:0 12px 22px #061f2a33}.mq-book-spread{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;transform-origin:center;align-items:stretch}.mq-book-page{background:#fff9e9;color:#263c30;padding:26px;min-width:0;overflow-wrap:anywhere;position:relative;line-height:1.7;min-height:420px;box-shadow:inset -8px 0 15px #79623c16}.mq-book-page:nth-child(even){box-shadow:inset 8px 0 15px #79623c25;border-left:1px solid #c1ad7e}.mq-book-page h3{font-family:Georgia,serif;font-size:1.55rem;line-height:1.3;margin-top:0}.mq-book-page h4{font-size:1rem}.mq-book-page img{max-width:100%;height:auto}.mq-page-number{border-top:1px solid #c8b992;margin-top:24px;text-align:center;font-size:.85rem}.mq-book-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:12px;background:#e7d4ac;color:#243d30}.mq-book-controls button{min-height:46px}.mq-book-measure{position:fixed;left:-10000px;top:0;visibility:hidden;contain:layout;box-sizing:border-box;padding:26px;font:inherit;line-height:1.7}.mq-book-measure h3{font-family:Georgia,serif;font-size:1.55rem;margin-top:0}.mq-book-end{display:grid;place-items:center;color:#846d48}.mq-book-page .library-check div{display:grid;gap:8px}.mq-book-page .library-check button{white-space:normal;text-align:left}.mq-book-page .library-formula,.mq-book-page .library-example{margin:12px 0}.mq-book-page .library-feedback:not(:empty){border-top:1px solid #8da585;padding-top:12px}
@media(max-width:999px){.mq-book-layout{display:block}.mq-book-index{margin-bottom:14px}.mq-book-spread{grid-template-columns:1fr}.mq-book{border-width:6px}.mq-book-page{padding:18px;min-height:0}.mq-book-measure{padding:18px}.mq-book-controls{padding:8px}.mq-book-controls button{padding:10px}.knowledge-library .library-content{padding:12px}.knowledge-library .library-hero{min-height:140px;padding:20px}.knowledge-library .library-hero h2{font-size:1.5rem}.library-reader-toolbar{flex-wrap:wrap;gap:10px}}

.mq-book-index:before{content:'';display:block;width:56px;height:56px;background:url('brand/book-ornament.webp') center/contain no-repeat;margin-bottom:10px}.mq-book-page>div{break-inside:avoid}.mq-book-page:focus-visible{outline:3px solid #28776c}

.knowledge-library .library-hero p{color:#f6e7c0}.library-reading .library-hero{min-height:100px;padding:18px 90px 18px 28px}.library-reading .library-hero h2{font-size:1.7rem;margin:0}.library-reading .library-hero>div>p:not(.eyebrow){display:none}.library-reading .library-hero .eyebrow{margin:0 0 5px}.library-reading .library-motion{display:none}.mq-book-controls{position:sticky;bottom:0;z-index:1;border-top:1px solid #b39763}.mq-book-page{min-height:350px}.mq-book-index summary{overflow-wrap:anywhere}@media(max-width:600px){.library-reading .library-hero{min-height:84px;padding:14px 70px 14px 18px}.library-reading .library-hero h2{font-size:1.25rem}.mq-book-index:before{display:none}}

.mq-book-search{display:flex;align-items:center;gap:8px;font-size:.85rem}.mq-book-search input{max-width:220px;font-size:16px}.library-reader-toolbar{flex-wrap:wrap}.library-reader-toolbar [data-book-hits]{display:flex;gap:8px;flex-wrap:wrap;width:100%}.library-reader-toolbar [data-book-hits]:empty{display:none}