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0%))}.bv-range::-moz-range-track{height:3px;border-radius:2px;background:#ffffff24}.bv-range::-moz-range-progress{height:3px;border-radius:2px;background:var(--bv-accent)}.bv-range::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;margin-top:-5.5px;border-radius:50%;background:#fff;box-shadow:0 1px 4px #00000080;transition:transform .12s ease}.bv-range::-moz-range-thumb{width:14px;height:14px;border:0;border-radius:50%;background:#fff;box-shadow:0 1px 4px #00000080}.bv-range:hover::-webkit-slider-thumb,.bv-range:active::-webkit-slider-thumb{transform:scale(1.25)}.bv-stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:var(--bv-top) 0 var(--bv-bottom)}.bv-zoom{will-change:transform;transform-origin:0 0}.bv-has-search .bv-stage{padding-right:400px}.bv-zoomed .bv-zoom{cursor:grab}.bv-panning .bv-zoom{cursor:grabbing}.bv-book{position:relative;perspective:2600px;filter:drop-shadow(0 30px 50px rgba(0,0,0,.55)) drop-shadow(0 6px 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.bv-img{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;opacity:0;transition:opacity .26s ease}.bv-img-wrap.bv-loaded .bv-img{opacity:1}.bv-img-wrap.bv-loaded .bv-ph{opacity:0}.bv-img{-webkit-user-drag:none;-webkit-user-select:none;user-select:none;pointer-events:none}.bv-overlay{position:absolute;inset:0;z-index:4}.bv-link{position:absolute;display:block;border-radius:3px;background:#9fb8cf00;box-shadow:0 0 #9fb8cf00;transition:background .16s ease,box-shadow .16s ease}.bv-link:hover{background:#9fb8cf38;box-shadow:0 0 0 2px #9fb8cf99}.bv-hint .bv-link{animation:bv-link-pulse 1.3s ease 1}@keyframes bv-link-pulse{0%{background:#9fb8cf00}35%{background:#9fb8cf4d;box-shadow:0 0 0 2px #9fb8cf8c}to{background:#9fb8cf00}}.bv-mark{position:absolute;background:var(--bv-mark);mix-blend-mode:multiply;border-radius:2px;pointer-events:none}.bv-mark.bv-mark-active{outline:2px solid rgba(255,140,0,.9)}.bv-video{position:absolute;inset:10% 6%;width:88%;height:80%;background:#000;z-index:5;border-radius:4px}.bv-video video,.bv-video iframe{width:100%;height:100%;border:0;display:block}.bv-turn{position:absolute;top:0;bottom:0;width:18%;z-index:6;cursor:pointer}.bv-turn.bv-prev{left:0}.bv-turn.bv-next{right:0}.bv-zoomed .bv-turn{display:none}.bv-sheet{position:absolute;top:0;bottom:0;width:50%;z-index:10;transform-style:preserve-3d;pointer-events:none}.bv-sheet.bv-fwd{right:0;transform-origin:left center;animation:bv-flip-fwd var(--bv-flip-ms) cubic-bezier(.45,.05,.3,1) forwards}.bv-sheet.bv-bwd{left:0;transform-origin:right center;animation:bv-flip-bwd var(--bv-flip-ms) cubic-bezier(.45,.05,.3,1) forwards}.bv-face{position:absolute;inset:0;background:#fff;backface-visibility:hidden;-webkit-backface-visibility:hidden;overflow:hidden}.bv-face.bv-back{transform:rotateY(180deg)}.bv-sheet .bv-shade{position:absolute;inset:0;pointer-events:none;z-index:2}.bv-sheet.bv-fwd .bv-front .bv-shade{background:linear-gradient(to right,#00000059,#0000 40%);animation:bv-shade-in var(--bv-flip-ms) ease-in forwards}.bv-sheet.bv-fwd .bv-back .bv-shade{background:linear-gradient(to left,#00000059,#0000 40%);animation:bv-shade-out var(--bv-flip-ms) ease-out forwards}.bv-sheet.bv-bwd .bv-front .bv-shade{background:linear-gradient(to left,#00000059,#0000 40%);animation:bv-shade-in var(--bv-flip-ms) ease-in forwards}.bv-sheet.bv-bwd .bv-back .bv-shade{background:linear-gradient(to right,#00000059,#0000 40%);animation:bv-shade-out var(--bv-flip-ms) ease-out forwards}.bv-cast{position:absolute;top:0;bottom:0;width:50%;z-index:9;pointer-events:none}.bv-cast.bv-fwd{right:0;background:linear-gradient(to right,#00000073,#0000 55%);animation:bv-cast var(--bv-flip-ms) ease-in-out forwards}.bv-cast.bv-bwd{left:0;background:linear-gradient(to left,#00000073,#0000 55%);animation:bv-cast var(--bv-flip-ms) ease-in-out forwards}@keyframes bv-flip-fwd{0%{transform:rotateY(0)}to{transform:rotateY(-180deg)}}@keyframes bv-flip-bwd{0%{transform:rotateY(0)}to{transform:rotateY(180deg)}}@keyframes bv-shade-in{0%{opacity:0}50%{opacity:1}51%{opacity:0}to{opacity:0}}@keyframes bv-shade-out{0%{opacity:0}50%{opacity:0}51%{opacity:1}to{opacity:0}}@keyframes bv-cast{0%{opacity:0}50%{opacity:1}to{opacity:0}}.bv-fold-sheet{position:absolute;inset:0;z-index:10;transform-origin:left center;transform-style:preserve-3d;will-change:transform;pointer-events:none}.bv-fold-sheet .bv-face{border-radius:3px}.bv-fold-sheet .bv-shade-front{background:linear-gradient(to right,#0000006b,#0000000d 45%,#0000 70%)}.bv-fold-sheet .bv-shade-back{background:linear-gradient(to left,#0000006b,#0000000d 45%,#0000 70%)}.bv-cast-single{position:absolute;inset:0;z-index:9;pointer-events:none;background:linear-gradient(to right,#00000080,#0000001f 50%,#0000 85%)}.bv-panel{position:absolute;z-index:40;background:var(--bv-chrome);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border:1px solid var(--bv-chrome-border);display:flex;flex-direction:column;animation:bv-panel-in .2s ease}@keyframes bv-panel-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.bv-search{top:calc(var(--bv-top) + 10px);right:10px;bottom:calc(var(--bv-bottom) + 10px);width:min(380px,calc(100vw - 20px));border-radius:14px}.bv-search-head{display:flex;align-items:center;gap:8px;padding:12px 12px 8px}.bv-search-head input{flex:1;height:40px;padding:0 12px 0 38px;border-radius:10px;border:1px solid var(--bv-chrome-border);background:#ffffff0f;color:var(--bv-fg);font:inherit;font-size:16px}.bv-search-head input::placeholder{color:var(--bv-fg-dim)}.bv-search-head .bv-search-icon{position:absolute;left:24px;top:23px;color:var(--bv-fg-dim);pointer-events:none}.bv-search-head .bv-search-icon svg{width:18px;height:18px}.bv-search-status{padding:0 16px 8px;font-size:12px;color:var(--bv-fg-dim)}.bv-results{flex:1;overflow:auto;overscroll-behavior:contain;padding:0 8px 8px}.bv-result{display:block;width:100%;text-align:left;padding:10px;border-radius:10px;transition:background .12s ease}.bv-result:hover,.bv-result[aria-current=true]{background:#ffffff12}.bv-result-page{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--bv-accent);margin-bottom:3px}.bv-result-snip{font-size:13px;line-height:1.45;color:var(--bv-fg);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.bv-result-snip mark{background:var(--bv-mark);color:#111;border-radius:2px;padding:0 1px}.bv-thumbs{top:var(--bv-top);left:0;right:0;bottom:var(--bv-bottom);border-radius:0;border-left:0;border-right:0}.bv-thumbs-grid{flex:1;overflow:auto;overscroll-behavior:contain;padding:18px;display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));align-content:start}.bv-thumb{display:flex;flex-direction:column;align-items:center;gap:6px;padding:6px;border-radius:10px;transition:background .12s ease}.bv-thumb:hover{background:#ffffff12}.bv-thumb img{width:100%;aspect-ratio:var(--bv-aspect, .773);object-fit:cover;border-radius:3px;box-shadow:0 4px 14px #00000080;background:#fff}.bv-thumb[aria-current=true] img{outline:3px solid var(--bv-accent-strong);outline-offset:2px}.bv-thumb span{font-size:12px;color:var(--bv-fg-dim);font-variant-numeric:tabular-nums}.bv-badge{position:absolute;left:50%;transform:translate(-50%);bottom:calc(var(--bv-bottom) + 10px);z-index:45;font-size:11px;letter-spacing:.04em;padding:4px 10px;border-radius:999px;background:#ffffff24;color:var(--bv-fg);pointer-events:none}.bv-toast{position:absolute;left:50%;bottom:calc(var(--bv-bottom) + 18px);transform:translate(-50%);z-index:50;padding:10px 16px;border-radius:999px;font-size:13px;background:#ffffffeb;color:#111;box-shadow:0 6px 20px #0006;animation:bv-toast 2.4s ease forwards}@keyframes 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0}.bv-kbd-hint{display:none}}@media(max-width:1100px){.bv-kbd-hint{display:none}}@media(prefers-reduced-motion:reduce){.bv-sheet,.bv-cast,.bv-track.bv-settle,.bv-panel{animation:none!important;transition:none!important}}