.cb-main{background:#fff;padding:35px 0 65px}.cb-wrap{width:min(1440px,calc(100% - 64px));margin:auto}.cb-crumb{font-size:12px;color:#59636e;margin-bottom:32px}.cb-heading{display:flex;justify-content:space-between;gap:30px;align-items:center;margin-bottom:35px}.cb-heading h1{font-size:clamp(34px,3.5vw,50px);font-weight:500;letter-spacing:-.025em;margin:0 0 15px}.cb-heading p{color:#59636e;margin:0;line-height:1.7}.cb-links{display:flex;align-items:center;gap:24px;flex-shrink:0}.cb-links>a:last-child{text-decoration:underline;text-underline-offset:5px;font-size:14px}.cb-reader{background:#f4f6f7;padding:25px;position:relative}.cb-stage{display:flex;align-items:center;justify-content:center;gap:20px;min-height:320px}.cb-book{display:flex;justify-content:center;perspective:1800px;min-width:0;width:min(100%,1000px);height:min(70vh,720px);filter:drop-shadow(0 5px 10px #151b2218)}.cb-book img{width:50%;height:100%;object-fit:contain;background:white;min-width:0}.cb-book.cb-cover img{width:auto;max-width:100%}.cb-book img[hidden]{display:none}.cb-stage>button{font-size:36px;background:transparent;color:#151b22;border:0;width:44px;height:64px;padding:0;cursor:pointer;flex-shrink:0}.cb-stage>button:disabled{opacity:.25;cursor:default}.cb-toolbar{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-top:25px;flex-wrap:wrap;font-size:13px}.cb-jump{display:flex;align-items:center;gap:10px;margin:0}.cb-jump input{width:70px;padding:8px;min-height:44px;background:white}.cb-toolbar button{background:#fff;color:#151b22;border:1px solid #d9dee3;padding:10px 15px;min-height:44px;cursor:pointer}.cb-reader :focus-visible{outline:2px solid #d93627;outline-offset:4px}.cb-reader:fullscreen{overflow:auto;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center}.cb-error{text-align:center}.cb-turn-next{animation:cb-next .4s ease}.cb-turn-prev{animation:cb-prev .4s ease}@keyframes cb-next{from{transform:rotateY(-65deg);transform-origin:left;opacity:.4}to{transform:rotateY(0);transform-origin:left;opacity:1}}@keyframes cb-prev{from{transform:rotateY(65deg);transform-origin:right;opacity:.4}to{transform:rotateY(0);transform-origin:right;opacity:1}}@media(max-width:900px){.cb-heading{align-items:flex-start;flex-direction:column}}@media(max-width:700px){.cb-wrap{width:calc(100% - 32px)}.cb-reader{padding:16px 8px}.cb-stage{gap:4px}.cb-stage>button{width:28px}.cb-book{height:auto;aspect-ratio:595/842}.cb-book img{width:100%;height:100%}.cb-links{flex-wrap:wrap;gap:18px}.cb-toolbar{padding-inline:8px}.cb-status{display:none}}@media(prefers-reduced-motion:reduce){.cb-turn-next,.cb-turn-prev{animation:none}}