.book-download-page{color:#10192d;background-color:#f2f3f7;background-image:linear-gradient(90deg,#1746d108 1px,#0000 1px),linear-gradient(#1746d108 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:42px 42px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;min-height:100vh}.book-download-content{width:min(1050px,100% - 48px);margin:auto;padding-bottom:110px}.book-download-hero{padding:70px 0 80px}.book-download-hero>p:first-child,.book-title>span{color:#ff6534;font-size:9px;font-weight:900}.book-download-hero h1{letter-spacing:-2.5px;max-width:860px;margin:13px 0 20px;font-size:clamp(39px,6vw,68px);line-height:1.45}.book-download-hero>p:last-child{color:#586278;max-width:850px;margin:0;font-size:14px;line-height:2.2}.book-download-hero a,.book-study a{color:#1746d1;text-underline-offset:4px;font-weight:900;text-decoration:underline}.book-title h2{margin:9px 0 30px;font-size:clamp(28px,4vw,42px);line-height:1.55}.book-download-grid{grid-template-columns:repeat(2,1fr);gap:15px;display:grid}.book-download-grid article{background:#fff;border-top:4px solid #1746d1;padding:26px;box-shadow:0 8px 25px #10192d0d}.book-download-grid article>div{justify-content:space-between;gap:15px;display:flex}.book-download-grid article span{color:#1746d1;font-size:9px;font-weight:900}.book-download-grid article small{color:#7a8295;font-size:8px}.book-download-grid h3{margin:25px 0 10px;font-size:18px}.book-download-grid p{color:#677084;min-height:40px;margin:0 0 22px;font-size:10px;line-height:2}.book-download-grid a{color:#fff;text-align:center;background:#10192d;border-radius:6px;padding:12px;font-size:9px;font-weight:900;line-height:1.8;display:block}.book-source{color:#fff;background:#1746d1;border-radius:8px;grid-template-columns:1fr auto;align-items:center;gap:35px;margin:70px 0;padding:35px;display:grid}.book-source span{color:#ffb59e;font-size:8px;font-weight:900}.book-source h2{margin:8px 0;font-size:25px}.book-source p{color:#dbe3ff;margin:0;font-size:10px;line-height:2}.book-source>a{white-space:nowrap;background:#ff6534;border-radius:6px;padding:14px 18px;font-size:9px;font-weight:900}.book-guide,.book-study{border-top:1px solid #d8dbe5;padding:70px 0}.book-guide ol{grid-template-columns:repeat(3,1fr);gap:15px;margin:0;padding:0;list-style:none;display:grid}.book-guide li{background:#fff;padding:24px}.book-guide li>b{color:#ff6534;font:900 20px Arial}.book-guide h3{margin:18px 0 8px;font-size:15px}.book-guide p,.book-study>p,.book-study li{color:#626c81;font-size:10px;line-height:2}.book-study>p{font-size:12px}.book-study ul{background:#e5e9f6;margin:25px 0 0;padding:22px 45px 22px 20px}.book-summary{background:#fff;border-right:4px solid #ff6534;padding:30px}.book-summary h2{margin:0 0 10px;font-size:20px}.book-summary p{color:#5e687d;margin:0;font-size:11px;line-height:2.1}@media (max-width:760px){.book-download-content{width:min(100% - 32px,680px)}.book-download-grid,.book-guide ol,.book-source{grid-template-columns:1fr}.book-download-grid p{min-height:0}}@media (max-width:520px){.book-download-hero{padding:55px 0}.book-download-hero h1{font-size:37px}.book-source{padding:25px}}