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#topbar{transform:translateY(-100%)}#reader.immersive #botbar{transform:translateY(100%)}.tb{padding:9px;border-radius:9px;color:var(--text-2)}.tb:active{background:var(--bg-3)}#bookTitle{flex:1;font-size:13px;font-weight:600;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 4px}#viewer{flex:1;min-height:0;width:100%;max-width:max(500px,min(1120px,94vw));margin:0 auto;position:relative}#reader.m-narrow #viewer{max-width:min(1700px,max(1180px,62vw))}#reader.m-wide #viewer{max-width:max(480px,min(800px,88vw))}#viewer iframe{border:0}#viewer.spread:after{content:"";position:absolute;left:50%;top:7%;bottom:7%;width:1px;background:var(--border);opacity:.8;pointer-events:none}#reader.immersive #viewer.spread:after{opacity:.3}#viewer svg g[class^=hl-]{mix-blend-mode:multiply}:root[data-theme=dark] #viewer svg g[class^=hl-]{mix-blend-mode:screen}#reader{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}#reader.pdf #viewer{display:flex;align-items:center;justify-content:center}.pdfwrap{position:relative;touch-action:none}canvas.pdfpage{display:block;box-shadow:0 1px 8px #0000001f;border-radius:2px}:root[data-theme=dark] canvas.pdfpage{filter:invert(.93) hue-rotate(180deg);box-shadow:0 1px 8px #00000080}:root[data-theme=sepia] canvas.pdfpage{filter:sepia(.14)}.pdfhl{position:absolute;inset:0;pointer-events:none}.pdfhl .hlrect{position:absolute;opacity:.34;border-radius:2px;mix-blend-mode:multiply}:root[data-theme=dark] .pdfhl .hlrect{mix-blend-mode:screen;opacity:.3}.textLayer{position:absolute;inset:0;overflow:clip;line-height:1;text-align:initial;text-size-adjust:none;forced-color-adjust:none;transform-origin:0 0;caret-color:transparent;--min-font-size: 1;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;touch-action:none}.textLayer span,.textLayer br{color:transparent;position:absolute;white-space:pre;transform-origin:0% 0%}.textLayer>:not(.markedContent),.textLayer .markedContent span:not(.markedContent){--font-height: 0;--scale-x: 1;--rotate: 0deg;font-size:calc(var(--total-scale-factor) * var(--min-font-size) * var(--font-height));transform:rotate(var(--rotate)) scaleX(var(--scale-x)) scale(calc(1 / var(--min-font-size)))}.textLayer .markedContent{display:contents}#selbar{position:fixed;z-index:60;display:none;background:var(--panel);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-pop);padding:9px 11px;max-width:calc(100vw - 16px)}#selbar.on{display:block;animation:pop .14s ease-out}@keyframes pop{0%{opacity:0;transform:translateY(4px) scale(.97)}}#selbar .colors{display:flex;align-items:center;justify-content:center;gap:12px;padding-bottom:9px}#selbar .acts{display:flex;align-items:center;justify-content:center;gap:6px;padding-top:9px;border-top:1px solid var(--border)}#selLayer{position:fixed;inset:0;z-index:50;pointer-events:none}#selLayer .selrect{position:fixed;background:rgba(var(--accent-rgb),.26);border-radius:2px}#selLayer .handle{position:fixed;pointer-events:auto;touch-action:none;width:40px;margin-left:-20px}#selLayer .handle:before{content:"";position:absolute;left:50%;margin-left:-1px;width:2px;top:0;bottom:0;background:var(--accent)}#selLayer .handle:after{content:"";position:absolute;left:50%;width:13px;height:13px;margin-left:-6.5px;border-radius:50%;background:var(--accent);box-shadow:0 1px 4px #0000004d}#selLayer .handle.start:after{top:-9px}#selLayer .handle.end:after{bottom:-9px}.dot{width:27px;height:27px;border-radius:50%;border:1.5px solid rgba(0,0,0,.1);position:relative}.dot:active{transform:scale(.9)}.dot.sel:after{content:"";position:absolute;inset:-4px;border-radius:50%;border:2px solid var(--accent)}.act{display:flex;align-items:center;gap:5px;padding:7px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;background:var(--bg-2);white-space:nowrap}.act:active{background:var(--bg-3)}.act.primary{background:var(--accent);color:var(--on-accent)}.act .icon{width:15px;height:15px;stroke-width:2}#scrim{position:fixed;inset:0;z-index:70;background:var(--overlay);opacity:0;pointer-events:none;transition:opacity .2s}#scrim.on{opacity:1;pointer-events:auto}.sheet{position:fixed;left:0;right:0;bottom:0;z-index:80;background:var(--panel);border-radius:20px 20px 0 0;box-shadow:var(--shadow-pop);transform:translateY(calc(100% + 40px));visibility:hidden;transition:transform .26s cubic-bezier(.32,.72,0,1),visibility 0s .26s;max-height:88vh;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}.sheet.on{transform:none;visibility:visible;transition:transform .26s cubic-bezier(.32,.72,0,1),visibility 0s 0s}@media(min-width:760px){.sheet{left:auto;right:22px;bottom:22px;width:440px;border-radius:16px;max-height:78vh}}.grab{width:36px;height:4px;border-radius:2px;background:var(--border-3);margin:9px auto 4px;flex:none}.sheet-head{display:flex;align-items:center;gap:8px;padding:4px 14px 10px;flex:none}.sheet-head .h{flex:1;font-size:13.5px;font-weight:700}.quote{margin:0 16px 12px;padding:10px 13px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0;font-family:var(--serif);font-size:14.5px;line-height:1.45;color:var(--text-2);max-height:116px;overflow:auto;flex:none}.note{margin:0 16px 12px;padding:9px 12px;width:calc(100% - 32px);flex:none;resize:none;border:1px solid var(--border);border-radius:9px;background:var(--bg-2);color:var(--text);font:inherit;font-size:14px;line-height:1.45;overflow:auto}.note::placeholder{color:var(--text-3)}.note:focus{outline:none;border-color:var(--accent);background:var(--panel)}.note-line{font-size:12.5px;color:var(--text-2);margin-top:5px;display:flex;gap:5px;align-items:flex-start;line-height:1.4}.note-line .icon{width:13px;height:13px;flex:none;margin-top:2px;color:var(--text-3)}.findbox{padding:10px 16px 6px;border-bottom:1px solid var(--border)}.findbox input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg-2);color:var(--text);font:inherit;font-size:15px}.findbox input:focus{outline:none;border-color:var(--accent);background:var(--panel)}.item mark{background:var(--accent-soft);color:var(--text);font-weight:700;border-radius:3px}#sheetBody{flex:1 1 auto;min-height:0;padding:0 16px 12px;overflow:auto;font-size:15px;line-height:1.6;-webkit-overflow-scrolling:touch}#sheetBody p{margin:0 0 11px}#sheetBody ul,#sheetBody ol{margin:0 0 11px;padding-left:22px}#sheetBody li{margin:0 0 5px}#sheetBody li::marker{color:var(--text-3)}#sheetBody b.h{display:block;margin:14px 0 6px;font-size:14px}#sheetBody b.h1,#sheetBody b.h2{font-size:16px;margin-top:16px}#sheetBody b.h:first-child{margin-top:0}#sheetBody blockquote{margin:0 0 11px;padding:2px 0 2px 12px;color:var(--text-2);border-left:2px solid var(--border-3)}#sheetBody hr{border:0;border-top:1px solid var(--border);margin:14px 0}#sheetBody a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}#sheetBody pre{background:var(--bg-2);border-radius:9px;padding:10px 12px;overflow:auto;font-size:12.5px;line-height:1.5;margin:0 0 11px}#sheetBody code{background:var(--bg-2);border-radius:5px;padding:1px 5px;font-size:.9em}#sheetBody .me{background:var(--bg-2);border-radius:13px;padding:9px 12px;margin:0 0 12px;font-size:14.5px}#sheetBody .tool{font-size:11.5px;color:var(--text-3);margin:0 0 9px;display:flex;align-items:center;gap:6px}#sheetBody .err{color:#c0454a;font-size:13.5px;margin:0 0 10px}.cursor{display:inline-block;width:7px;height:1.05em;vertical-align:-.16em;background:var(--accent);border-radius:1px;animation:blink 1s steps(2) infinite}@keyframes blink{50%{opacity:0}}.sheet-foot{display:flex;gap:8px;padding:9px 12px 12px;border-top:1px solid var(--border);flex:none;align-items:center}.sheet-foot input{flex:1;min-width:0;padding:10px 14px;border-radius:var(--r-pill);border:1px solid var(--border-3);background:var(--bg);color:var(--text);font-size:16px;outline:none}.sheet-foot input:focus{border-color:var(--accent)}.send{width:38px;height:38px;border-radius:50%;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;flex:none}.send[disabled]{opacity:.45}.chips{display:flex;gap:7px;padding:0 16px 12px;flex-wrap:wrap;flex:none}.chip{padding:7px 13px;border-radius:var(--r-pill);background:var(--bg-2);font-size:12.5px;font-weight:600;display:flex;align-items:center;gap:5px}.chip:active{background:var(--bg-3)}.chip.strong{background:var(--accent-soft);color:var(--accent-ink)}:root[data-theme=dark] .chip.strong{color:var(--accent)}.chip .icon{width:14px;height:14px;stroke-width:2}.drawer{position:fixed;inset:0;z-index:80;background:var(--panel);transform:translate(calc(100% + 40px));visibility:hidden;transition:transform .26s cubic-bezier(.32,.72,0,1),visibility 0s .26s;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top)}.drawer.on{transform:none;visibility:visible;transition:transform .26s cubic-bezier(.32,.72,0,1),visibility 0s 0s}@media(min-width:760px){.drawer{left:auto;width:390px;border-left:1px solid var(--border);box-shadow:var(--shadow-pop)}}.drawer-head{display:flex;align-items:center;gap:8px;padding:10px 10px 10px 16px;border-bottom:1px solid var(--border);flex:none}.drawer-head .h{flex:1;font-size:15px;font-weight:700}.drawer-body{overflow:auto;padding:6px 0 calc(20px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}.item{display:block;width:100%;text-align:left;padding:12px 16px;border-bottom:1px solid var(--border)}.item:active{background:var(--bg-2)}.item .s{font-size:14px;line-height:1.4}.item .m{font-size:11.5px;color:var(--text-3);margin-top:4px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}.item .m i{width:8px;height:8px;border-radius:50%;display:inline-block;flex:none}.item.cur .s{color:var(--accent);font-weight:700}.toc-l1{font-weight:600}.toc-l2{padding-left:18px;color:var(--text-2);font-size:13.5px}.setrow{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 16px;border-bottom:1px solid var(--border)}.setrow .lbl{font-size:14px}.setrow .hint{font-size:11.5px;color:var(--text-3);margin-top:3px;max-width:200px;line-height:1.4}.seg{display:flex;background:var(--bg-2);border-radius:10px;padding:2px;gap:2px;flex:none}.seg button{padding:6px 11px;border-radius:8px;font-size:12.5px;font-weight:600;color:var(--text-2)}.seg button.on{background:var(--panel);color:var(--text);box-shadow:0 1px 3px #0000001a}.empty{padding:44px 26px;text-align:center;color:var(--text-3);font-size:13.5px;line-height:1.6}#toast{position:fixed;left:50%;bottom:calc(30px + env(safe-area-inset-bottom));transform:translate(-50%,16px);z-index:95;background:var(--text);color:var(--bg);padding:10px 16px;border-radius:var(--r-pill);font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;max-width:calc(100vw - 40px)}#toast.on{opacity:.96;transform:translate(-50%)}#splash{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);z-index:100;font-size:13px;color:var(--text-3)}#splash.off{display:none}.spin{width:15px;height:15px;border-radius:50%;border:2px solid var(--border-3);border-top-color:var(--accent);animation:rot .7s linear infinite;flex:none}@keyframes rot{to{transform:rotate(360deg)}}#menu{position:fixed;z-index:96;background:var(--panel);border:1px solid var(--border);border-radius:13px;box-shadow:var(--shadow-pop);padding:5px;display:none;min-width:180px}#menu.on{display:block}#menu button{display:flex;align-items:center;gap:9px;width:100%;text-align:left;padding:10px 12px;border-radius:9px;font-size:14px}#menu button:active{background:var(--bg-2)}#menu button.danger{color:#c0454a}