.pdf-reader .doc-head{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:var(--s-4);height:52px;padding:0 20px;background:var(--bg-0);border-radius:var(--r-2xl)}.pdf-reader .doc-info{display:flex;align-items:center;gap:8px;min-width:0}.pdf-reader .doc-info .doc-name{min-width:0;color:var(--fg-1);font-size:var(--fs-sm);font-weight:var(--fw-semibold);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pdf-reader .doc-info .doc-tag{flex:0 0 auto;color:var(--fg-3);font-size:var(--fs-xs);font-weight:var(--fw-medium)}.pdf-reader .doc-back{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:0;border-radius:var(--r-md);background:transparent;color:var(--fg-2);cursor:pointer;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}.pdf-reader .doc-back:hover{background:var(--bg-2);color:var(--fg-1)}.pdf-reader .doc-back svg{width:16px;height:16px}.pdf-reader .doc-head .segmented{flex:0 0 auto;width:auto}.pdf-reader .doc-head .seg-tab{flex:0 0 auto;padding:0 16px}.pdf-reader .doc-head .seg-tab.active{box-shadow:none}.pdf-reader .doc-side{flex:0 0 auto;display:flex;align-items:center;gap:10px}.pdf-reader .zoomer{display:inline-flex;align-items:center;height:32px;padding:0 3px;border-radius:var(--r-pill);background:var(--bg-2)}.pdf-reader .zoomer .zbtn{width:26px;height:26px;padding:0;border:0;border-radius:var(--r-pill);background:transparent;color:var(--fg-2);font-size:15px;font-weight:var(--fw-bold);line-height:1;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}.pdf-reader .zoomer .zbtn:hover{background:var(--bg-0);color:var(--fg-1)}.pdf-reader .zoomer .zbtn:disabled{color:var(--fg-4);cursor:default}.pdf-reader .zoomer .zbtn:disabled:hover{background:transparent}.pdf-reader .zoomer .zv{min-width:44px;padding:0 2px;border:0;background:transparent;text-align:center;color:var(--fg-2);font-size:var(--fs-xs);font-weight:var(--fw-semibold);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;line-height:1;cursor:pointer;transition:color var(--dur-fast) var(--ease-out)}.pdf-reader .zoomer .zv:hover{color:var(--fg-1)}.cred{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 12px;border-radius:var(--r-pill);background:var(--bg-2);line-height:1;flex:0 0 auto}.cred .lb{color:var(--fg-3);font-size:var(--fs-xs);font-weight:var(--fw-semibold)}.cred .track{width:48px;height:4px;background:var(--brand-tint-2);overflow:hidden}.cred .fill,.cred .track{border-radius:var(--r-pill)}.cred .fill{display:block;height:100%;background:var(--brand-300);transition:width var(--dur-slow) var(--ease-out)}.cred .val{color:var(--brand-500);font-size:var(--fs-xs);font-weight:var(--fw-bold);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.cred--low .fill{background:var(--warning)}.cred--low .val{color:var(--warning)}.cred--empty .val{color:var(--danger)}.caret{display:inline-block;width:2px;height:1em;margin-left:1px;background:var(--brand-300);vertical-align:-2px;animation:pdf-caret-blink .9s steps(2) infinite}@keyframes pdf-caret-blink{0%,50%{opacity:1}51%,to{opacity:0}}.flow-cut{margin:6px 0 18px}.flow-cut .hint{align-items:flex-start;background:var(--danger-tint)}.flow-cut .hint .hi{background:var(--danger)}.flow-cut .em-danger{color:var(--danger-fg-mid);font-weight:var(--fw-bold)}.flow-cut .cut-upgrade{display:inline-block;margin-top:4px;padding:0;border:0;background:none;cursor:pointer;font:inherit;color:var(--brand-500);font-weight:var(--fw-semibold);-webkit-text-decoration:underline;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}.flow-cut .cut-upgrade:hover{color:var(--brand-400)}.sheet-stack{display:flex;flex-direction:column;align-items:center;gap:18px}.sheet-frame{container-type:inline-size;width:100%;margin:0 auto}.sheet{position:relative;width:100%;background:var(--bg-0);border-radius:var(--r-2xl);font-family:Georgia,Times New Roman,Songti SC,STSong,serif;color:var(--fg-1);overflow:hidden}.sheets-row{display:flex;gap:16px;justify-content:center;align-items:stretch;width:100%}.sheets-row .sheet-frame{flex:1 1 0;width:auto;min-width:0;margin:0}.sheet img{display:block;width:100%;height:100%;max-width:100%;-o-object-fit:contain;object-fit:contain}.sheet-block{position:absolute;line-height:1.35}.sheet-seg{text-align:left}.sheet-line{position:absolute;display:block;line-height:1;white-space:nowrap}.sheet-line-fit{display:inline-block;white-space:nowrap;transform-origin:left top}.sheet-line--vertical{writing-mode:vertical-rl}.sheet-zh{position:absolute;top:calc(100% + .45em);left:0;width:100%;font-family:PingFang SC,Microsoft YaHei,sans-serif;font-family:var(--font-cjk,"PingFang SC","Microsoft YaHei",sans-serif);font-style:normal;font-synthesis-style:none;font-variation-settings:normal;line-height:1.5;text-align:left}.sheet-cn,.sheet-zh{display:block;white-space:normal}.sheet-untrans{color:var(--fg-3)}.sheet-cut{width:100%;font-family:var(--font-sans)}.sheet-cut .flow-cut{margin:0}.sheet-stack{--pair-hl-rgb:255,92,38}.sheet-seg{transition:background var(--dur-fast) var(--ease-out)}.sheet-seg--linked{cursor:pointer}.sheet-seg--hl{background:rgba(var(--pair-hl-rgb),.16);border-radius:4px}.sheet-seg--pin{background:rgba(var(--pair-hl-rgb),.26);border-radius:4px}.rw{cursor:pointer;border-radius:2px;transition:background var(--dur-fast) var(--ease-out),color var(--dur-fast) var(--ease-out)}.rw:hover{background:var(--brand-tint-1);color:var(--brand-500)}.rw.wb{background:var(--wb-hl);border-radius:2px;box-decoration-break:clone;-webkit-box-decoration-break:clone}.rw.wb:hover{background:var(--wb-hl-strong)}