.dh.dh-lib{background:0 0;min-height:auto}.dh-lib-wrap{max-width:var(--page-max);padding:28px var(--gutter-r,var(--page-gutter)) 0 var(--gutter-l,var(--page-gutter));margin:0 auto}.dh-lib-wrap--end{padding-bottom:72px}.dh-lib .breadcrumbs{font:400 10.5px/1.4 var(--dh-mono);letter-spacing:.12em;text-transform:uppercase;background:0 0;margin:0 0 16px;padding:0}.dh .dh-lib-wrap .breadcrumbs a{color:var(--dh-muted)}.dh .dh-lib-wrap .breadcrumbs a:hover{color:var(--dh-cyan)}.dh-lib .breadcrumbs li,.dh-lib .breadcrumbs li+li:before{color:var(--dh-faint)}.dh-lib-hero{background:linear-gradient(160deg,#1c2a6e 0%,#16233f 45%,#131d2e 100%);border:1px solid #e5c04b42;border-radius:6px;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);align-items:center;gap:32px 48px;padding:clamp(28px,4vw,52px);display:grid;position:relative;overflow:hidden}.dh-lib-hero--plain{grid-template-columns:minmax(0,1fr)}.dh-lib-hero:before{content:"";pointer-events:none;background:radial-gradient(620px 320px at 8% 0,#e5c04b33,#0000 62%),radial-gradient(520px 300px at 96% 110%,#5ee0ff1f,#0000 60%);position:absolute;inset:0}.dh-lib-hero:after{content:"";pointer-events:none;background-image:radial-gradient(#ffffff24 1px,#0000 1px);background-size:30px 30px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#00000080,#0000 70%);mask-image:linear-gradient(#00000080,#0000 70%)}.dh-lib-hero>*{z-index:1;position:relative}.dh .dh-lib-h1{max-width:820px;color:var(--dh-fg);font:var(--dh-headline);letter-spacing:var(--dh-headline-track);text-wrap:balance;margin:14px 0 16px}.dh .dh-lib-h1 em{color:var(--dh-gold)}.dh .dh-lib-lede{color:#f2f4f7c7;max-width:640px;font-size:16.5px;line-height:1.6}.dh-lib-actions{flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;display:flex}.dh-lib-actions .dh-btn{height:44px;padding:0 22px;font-size:15px}.dh-lib-stats{flex-wrap:wrap;gap:10px 36px;margin-top:28px;display:flex}.dh-lib-stat{flex-direction:column;gap:4px;display:flex}.dh-lib-stat-v{color:var(--dh-gold);font:600 clamp(22px, 2.2vw, 30px) / 1 var(--dh-sans);letter-spacing:-.03em}.dh-lib-stat:nth-child(2n) .dh-lib-stat-v{color:var(--dh-fg)}.dh-lib-stat-l{color:#f2f4f799;font:400 10px/1.3 var(--dh-mono);letter-spacing:.14em;text-transform:uppercase}.dh-lib-feature{text-align:center;flex-direction:column;align-items:center;gap:6px;display:flex}.dh a.dh-lib-feature:hover{color:inherit}.dh-lib-stage{perspective:1500px;padding:14px 0 40px;display:block;position:relative}.dh-lib-stage:before{content:"";background:radial-gradient(closest-side, var(--cover-glow,#e5c04b73), transparent 76%);opacity:.72;pointer-events:none;position:absolute;inset:-22% -75%}.dh-lib-stage:after{content:"";filter:blur(14px);background:#000000b3;border-radius:50%;height:30px;position:absolute;bottom:14px;left:10%;right:-4%}.dh-lib-3d{--bw:clamp(170px, 16vw, 224px);--thick:24px;z-index:1;width:var(--bw);aspect-ratio:3/4;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.2,1);display:block;position:relative;transform:rotateY(-30deg)rotateX(7deg)rotate(1.5deg)}.dh a.dh-lib-feature:hover .dh-lib-3d{transform:rotateY(-16deg)rotateX(4deg)rotate(.5deg)}.dh-lib-3d>.dh-cover,.dh-lib-3d>.dh-lib-cover{box-shadow:none;transform:translateZ(calc(var(--thick) / 2));border-radius:2px 4px 4px 2px;transition:none;position:absolute;inset:0}.dh-lib-3d:before{content:"";width:var(--thick);height:97.6%;transform:translateX(calc(var(--bw) - var(--thick) / 2 - 2px)) rotateY(90deg);background:repeating-linear-gradient(90deg,#f6f2e8 0 1px,#d8d2c2 1px 2.5px);position:absolute;top:1.2%;left:0}.dh-lib-3d:after{content:"";transform:translateZ(calc(var(--thick) / -2));background:#0a101e;border-radius:2px 4px 4px 2px;position:absolute;inset:0;box-shadow:-22px 18px 46px #0009}.dh-lib-feature-body{flex-direction:column;align-items:center;gap:8px;min-width:0;max-width:400px;display:flex;position:relative}.dh-lib-feature-title{color:var(--dh-fg);font:500 clamp(19px, 1.7vw, 24px) / 1.15 var(--dh-sans);letter-spacing:-.02em}.dh-lib-feature-text{color:#f2f4f7b3;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13.5px;line-height:1.5;display:-webkit-box;overflow:hidden}.dh a.dh-lib-feature:hover .dh-lib-feature-title{color:var(--dh-gold)}.dh-lib-feature-meta{color:var(--dh-muted);font:400 10.5px/1.4 var(--dh-mono);letter-spacing:.1em;text-transform:uppercase}.dh-lib-feature-go{color:var(--dh-gold);font-size:13.5px;font-weight:600}.dh-lib-section{scroll-margin-top:calc(var(--site-header-h) + 16px);margin-top:44px}.dh-lib-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:8px 16px;margin-bottom:18px;display:flex}.dh .dh-lib-head p{color:var(--dh-faint);font-size:13.5px}.dh-lib-filter{background:#0f1a2d80;border:1px solid #ffffff14;border-radius:6px;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:26px;padding:14px 16px;display:flex}.dh .dh-lib-chip{color:#f2f4f7d1;white-space:nowrap;border:1px solid #ffffff24;border-radius:4px;align-items:center;gap:7px;padding:7px 12px;font-size:13px;font-weight:500;transition:border-color .15s,background-color .15s;display:inline-flex}.dh .dh-lib-chip span{color:var(--dh-faint);font:400 10.5px/1 var(--dh-mono)}.dh a.dh-lib-chip:hover{color:var(--dh-fg);border-color:#e5c04b99}.dh .dh-lib-chip.is-on{border-color:var(--dh-gold);background:var(--dh-gold);color:#1a1404}.dh .dh-lib-chip.is-on span{color:#1a1404b3}.dh-lib-more{align-items:center;gap:8px;margin-left:auto;display:flex}.dh-lib-more select{max-width:220px;height:34px;color:var(--dh-fg);background:#13203a;border:1px solid #ffffff2e;border-radius:4px;padding:0 10px;font-size:13px}.dh-lib-more .dh-btn{height:34px}.dh-lib-grid{grid-template-columns:repeat(auto-fill,minmax(min(100%,168px),1fr));gap:30px 22px;display:grid}.dh-lib-book{flex-direction:column;gap:6px;min-width:0;display:flex}.dh a.dh-lib-book:hover{color:inherit}.dh-lib-cover{aspect-ratio:3/4;background:#1c2a4a;border-radius:2px 6px 6px 2px;transition:transform .2s;display:block;overflow:hidden;box-shadow:0 16px 30px -16px #000000d9}.dh-lib-cover img{object-fit:cover;width:100%;height:100%;display:block}.dh a.dh-lib-book:hover .dh-lib-cover,.dh a.dh-lib-book:hover .dh-cover{transform:translateY(-3px)}.dh-lib-title{color:var(--dh-fg);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:6px;font-size:14px;font-weight:500;line-height:1.3;display:-webkit-box;overflow:hidden}.dh a.dh-lib-book:hover .dh-lib-title{color:var(--dh-gold)}.dh-lib-by{color:var(--dh-muted);text-overflow:ellipsis;white-space:nowrap;font-size:12.5px;overflow:hidden}.dh-lib-meta{color:var(--dh-faint);font:400 10.5px/1.4 var(--dh-mono);letter-spacing:.08em;text-transform:uppercase;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:4px 10px;display:flex}.dh-lib-price{color:var(--dh-gold);font:600 12px/1.4 var(--dh-sans);letter-spacing:0;text-transform:none}.dh-lib-price s{color:var(--dh-faint);margin-right:6px;font-weight:400}.dh .dh-lib-empty{color:var(--dh-muted);padding:40px 0;font-size:15px}.dh-lib .pagination{flex-wrap:wrap;justify-content:center;gap:6px;margin:36px 0 10px;padding:0;list-style:none;display:flex}.dh .dh-lib-wrap .pagination li>a{color:#f2f4f7d1;background:0 0;border:1px solid #ffffff24;border-radius:4px;place-items:center;min-width:38px;height:38px;padding:0 10px;font-size:13.5px;display:grid}.dh .dh-lib-wrap .pagination a.active{border-color:var(--dh-gold);background:var(--dh-gold);color:#1a1404}.dh .dh-lib-wrap .pagination a:hover:not(.active){color:var(--dh-fg);background:0 0;border-color:#e5c04b99}.dh-lib .pagination+div,.dh-lib 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a.dh-bk-dot{color:var(--dh-muted)}.dh .dh-bk-by a.dh-bk-dot:hover{color:var(--dh-cyan)}.dh-bk-cta{flex-wrap:wrap;align-items:center;gap:12px;margin-top:30px;display:flex}.dh-bk-cta .dh-btn{height:54px;padding:0 30px;font-size:16px;font-weight:700}.dh .dh-bk-cta a.dh-btn--cyan{color:#0f1a2d}.dh-bk-cta .dh-btn svg{width:16px;height:16px}.dh-bk-fine{color:var(--dh-faint);margin-top:16px;font-size:13.5px}.dh-bk-fine s{color:var(--dh-faint)}.dh-bk-cover{justify-self:center;width:min(100%,330px);transform:rotate(-4deg)}.dh-bk-cover .dh-lib-cover,.dh-bk-cover .dh-cover{border-radius:3px 8px 8px 3px;box-shadow:0 40px 70px -24px #000000d9,0 0 0 1px #ffffff14}.dh .dh-bk-stats{color:var(--dh-muted);flex-wrap:wrap;gap:14px 48px;margin:0;padding:26px clamp(4px,1vw,16px) 0;font-size:15.5px;list-style:none;display:flex}.dh-bk-stats b{color:var(--dh-fg);letter-spacing:-.01em;margin-right:4px;font-size:19px;font-weight:700}.dh .dh-bk-stats a{color:var(--dh-muted)}.dh .dh-bk-stats a:hover{color:var(--dh-cyan)}.dh-bk-stats .byline-controls{margin-left:auto}.dh-bk-cols{max-width:var(--page-max);padding:56px var(--gutter-r,var(--page-gutter)) 80px var(--gutter-l,var(--page-gutter));grid-template-columns:minmax(0,1.42fr) minmax(280px,1fr);align-items:start;gap:clamp(32px,5vw,80px);margin:0 auto;display:grid}.dh-bk-h2{color:#f2f4f7;letter-spacing:-.03em;margin:0;font-size:clamp(24px,2.4vw,30px);font-weight:700;line-height:1.15}.dh-bk-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 16px;display:flex}.dh-bk-head span{color:#f2f4f780;font-size:14.5px}.dh.dh-bk-side{flex-direction:column;min-width:0;display:flex}.dh-bk-block{border-top:1px solid #ffffff1a;padding:28px 0}.dh-bk-block:last-child{padding-bottom:0}.dh-bk-k{color:var(--dh-muted);font:500 12px/1.3 var(--dh-sans);letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px;display:block}.dh-bk-person{align-items:center;gap:16px;display:flex}.dh-bk-person+.dh-bk-person{margin-top:22px}.dh-bk-person img,.dh-bk-person .avatar-initials{object-fit:cover;border-radius:50%;flex:none;width:64px;height:64px}.dh-bk-person-name{color:var(--dh-fg);letter-spacing:-.015em;font-size:18px;font-weight:700;display:block}.dh-bk-person-meta{color:var(--dh-muted);margin-top:3px;font-size:13.5px;display:block}.dh .dh-bk-more{color:var(--dh-cyan);margin-top:16px;font-size:14px;font-weight:500;display:inline-block}.dh .dh-bk-item{grid-template-columns:56px minmax(0,1fr);align-items:center;gap:16px;display:grid}.dh .dh-bk-item+.dh-bk-item{margin-top:16px}.dh-bk-item .dh-lib-cover,.dh-bk-item .dh-cover{box-shadow:none;border-radius:2px 4px 4px 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.dh-lib-3d{transform:rotateY(-30deg)rotateX(7deg)rotate(1.5deg)}}.dh-lib-rotor{flex-direction:column;align-items:center;gap:14px;min-width:0;display:flex}.dh-lib-rotor-slides{width:100%;display:grid}.dh-lib-rotor-slide{visibility:hidden;opacity:0;grid-area:1/1;transition:opacity .5s,visibility 0s linear .5s}.dh-lib-rotor-slide.is-on{visibility:visible;opacity:1;transition:opacity .5s}.dh-lib-rotor-dots{gap:4px;display:flex}.dh .dh-lib-rotor-dots button{cursor:pointer;background:0 0;border:0;width:28px;height:28px;padding:0;position:relative}.dh .dh-lib-rotor-dots button:after{content:"";background:#ffffff47;border-radius:50%;width:8px;height:8px;transition:width .2s,background .2s;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.dh .dh-lib-rotor-dots button.is-on:after{background:#e5c04b;border-radius:4px;width:22px}.dh .dh-lib-rotor-dots button:focus-visible{outline-offset:-4px;outline:2px solid #e5c04b}@media (prefers-reduced-motion:reduce){.dh-lib-rotor-slide,.dh-lib-rotor-slide.is-on{transition:none}}@media (max-width:640px){.dh-lib .breadcrumbs,.dh-lib-stat-l,.dh-lib-feature-meta,.dh .dh-lib-chip span,.dh-lib-meta{font-size:12px}}.dh .dh-lib-find{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.dh .dh-lib-find input,.dh .dh-lib-find select{color:#fff;height:40px;font:400 14px var(--dh-sans);background:#080c1a80;border:1px solid #ffffff2e;border-radius:4px;padding:0 12px}.dh .dh-lib-find input{flex:240px;min-width:0}.dh .dh-lib-find input::placeholder{color:var(--dh-faint)}.dh .dh-lib-find select{flex:0 220px;min-width:0}.dh .dh-lib-find .dh-btn{height:40px}.dh .dh-lib-clear{color:var(--dh-cyan);font-size:13.5px}.dh-lib-sr{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.dh h3.dh-lib-title{letter-spacing:0;margin:6px 0 0;font-size:14px;font-weight:500;line-height:1.3}@media (max-width:640px){.dh .dh-lib-find input,.dh .dh-lib-find select{flex:100%}.dh-lib-meta span{font-size:12px}}.dh-lib-hero{padding:clamp(22px,3vw,40px) clamp(28px,4vw,52px)}.dh-lib-stage{padding:6px 0 26px}.dh-lib-feature{gap:4px}.dh-lib-rotor{gap:8px}.dh-lib-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:36px 22px}@media (max-width:1100px){.dh-lib-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (max-width:860px){.dh-lib-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:640px){.dh-lib-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}}.dh-lib-title{min-height:2.6em}.dh-lib-book .dh-lib-meta{white-space:nowrap;flex-wrap:nowrap;margin-top:auto}.dh-lib-book .dh-lib-price{text-overflow:ellipsis;min-width:0;overflow:hidden}.dh-bk-more-wrap{position:relative}.dh-bk-more-body{overflow:hidden}.dh-bk-more-wrap.is-held .dh-bk-more-body{-webkit-mask-image:linear-gradient(#000 78%,#0000);mask-image:linear-gradient(#000 78%,#0000)}.dh .dh-bk-more-btn{color:var(--dh-cyan);font:600 14px/1 var(--dh-sans);cursor:pointer;background:0 0;border:1px solid #5ee0ff73;border-radius:3px;margin-top:14px;padding:10px 18px}.dh .dh-bk-more-btn:hover{background:var(--dh-cyan);color:#08101f}.dh-bk-main .article-body h3{margin:26px 0 8px;font-size:18px;font-weight:600;line-height:1.3}.dh-bk-get{top:calc(var(--site-header-h,92px) + 16px);background:linear-gradient(#17254a,#101a33);border:1px solid #5ee0ff4d;border-radius:4px;gap:12px;margin-top:8px;padding:20px;display:grid;position:sticky}.dh-bk-get-title{color:#fff;font:600 16px/1.3 var(--dh-sans);letter-spacing:-.01em}.dh-bk-get .dh-bk-cta{margin-top:0}.dh-bk-get .dh-bk-cta .dh-btn{flex:auto;justify-content:center;height:46px;padding:0 18px;font-size:15px}.dh.dh-bk-side{align-self:stretch}.dh.dh-bk-bar{display:none}@media (max-width:900px){.dh-bk-get{display:none}.dh.dh-bk-bar{z-index:40;min-height:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));background:#0a101ef5;border-top:1px solid #ffffff1f;display:block;position:fixed;bottom:0;left:0;right:0}.dh-bk-bar .dh-bk-cta{flex-wrap:nowrap;margin-top:0}.dh-bk-bar .dh-bk-cta .dh-btn{flex:auto;justify-content:center;height:46px;padding:0 14px;font-size:15px}.dh-bk-cols{padding-bottom:120px}}:is(.dh-bk-bar:not(:has(.dh-btn)),.dh-bk-get:not(:has(.dh-btn))){display:none}@media (max-width:640px){.dh-bk-by .dh-bk-author{flex-basis:100%}.dh-bk-by .dh-bk-author+.dh-bk-dot:before{content:none}}.dh-lib-book .dh-lib-price{flex:none;overflow:visible}.dh-lib-book .dh-lib-meta>:last-child{text-overflow:ellipsis;min-width:0;overflow:hidden}.dh-bk-main button.dh-bk-more-btn{color:#5ee0ff;cursor:pointer;background:0 0;border:1px solid #5ee0ff73;border-radius:3px;margin-top:14px;padding:10px 18px;font:600 14px/1 inherit}.dh-bk-main button.dh-bk-more-btn:hover{color:#08101f;background:#5ee0ff}.dh .dh-bk-fine{margin-top:22px}.dh-bk-author+.dh-bk-author{margin-top:26px}.dh .dh-bk-honours{flex-wrap:wrap;gap:6px;margin:14px 0 0;padding:0;list-style:none;display:flex}.dh .dh-bk-honours li{color:var(--dh-gold);border:1px solid #e5c04b73;border-radius:4px;padding:3px 8px;font-size:12px;font-weight:600}.dh .dh-bk-bio{color:var(--dh-soft);margin:14px 0 0;font-size:14px;line-height:1.6}.dh .dh-bk-author>.dh-bk-person-meta{margin-top:12px}.dh .dh-bk-facts{grid-template-columns:repeat(auto-fit,minmax(84px,1fr));gap:8px;margin:14px 0 0;display:grid}.dh .dh-bk-facts>div{border:1px solid var(--dh-line);border-radius:4px;padding:8px 10px}.dh .dh-bk-facts dt{color:var(--dh-faint);letter-spacing:.06em;text-transform:uppercase;font-size:11px}.dh .dh-bk-facts dd{color:var(--dh-fg);font-variant-numeric:tabular-nums;margin:2px 0 0;font-size:16px;font-weight:600}.dh .dh-bk-subjects{color:var(--dh-soft);margin:14px 0 0;font-size:13.5px}.dh .dh-bk-subjects span{color:var(--dh-faint)}