:root{--bg:#f7f7f5;--surface:#fff;--surface-2:#f1f1ee;--border:#0000001f;--border-strong:#00000038;--text:#1f1f1d;--text-muted:#6b6b66;--text-faint:#96968f;--accent:#2f6f5e;--accent-soft:#e3f0eb;--warn:#8a5a12;--warn-soft:#faf0dc;--danger:#a33232;--danger-soft:#fbeaea;--radius-sm:6px;--radius:10px;--radius-lg:14px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.6}h1,h2,h3{margin:0;font-weight:500;line-height:1.35}p{margin:0}a{color:inherit;text-decoration:none}.app{flex-direction:column;min-height:100vh;display:flex}.app-header{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:14px 24px;display:flex}.app-main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:28px 24px 56px}.app-footer{border-top:1px solid var(--border);background:var(--surface);color:var(--text-muted);text-align:center;padding:18px 24px;font-size:13px}.brand{align-items:center;gap:10px;display:flex}.brand-mark{border-radius:var(--radius-sm);background:var(--accent);color:#fff;letter-spacing:.04em;justify-content:center;align-items:center;padding:3px 8px;font-size:12px;font-weight:500;display:inline-flex}.brand-name{font-size:15px;font-weight:500}.app-toast{border:1px solid var(--border);border-radius:var(--radius);background:var(--accent-soft);max-width:720px;color:var(--text);text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin:0 auto 16px;padding:10px 14px;font-size:13px;display:flex}.app-toast-update{background:var(--warn-soft);border-color:var(--warn);color:var(--warn)}.app-toast-btn{color:inherit;cursor:pointer;background:0 0;border:1px solid;border-radius:999px;flex:none;padding:4px 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var(--border);background:var(--surface-2);color:var(--text-muted);cursor:pointer;border-radius:999px;flex:none;padding:5px 12px;font-family:inherit;font-size:13px;transition:border-color .15s,color .15s,background .15s}.favbtn:hover{border-color:var(--accent);color:var(--accent)}.favbtn[aria-pressed=true]{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}.favbtn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.tool-head p{color:var(--text-muted);max-width:64ch}.crumbs{color:var(--text-faint);flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:10px;font-size:13px;display:flex}.crumbs a{color:var(--text-muted);text-decoration:none}.crumbs a:hover{color:var(--accent);text-decoration:underline}.crumbs a:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-sm)}.crumbs [aria-current=page]{color:var(--text)}.crumb-sep{color:var(--border-strong)}.siblings{border-top:1px solid var(--border);margin-top:28px;padding-top:18px}.sib-head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:8px 16px;margin-bottom:10px;display:flex}.sib-title{color:var(--text-muted);font-size:13px}.sib-arrows{gap:14px;font-size:13px;display:flex}.sib-arrow{color:var(--accent);text-decoration:none}.sib-arrow:hover{text-decoration:underline}.sib-arrow:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius-sm)}.sib-chips{flex-wrap:wrap;gap:8px;display:flex}.sib-chip{border:1px solid var(--border);background:var(--surface);color:var(--text-muted);border-radius:999px;flex:none;padding:5px 11px;font-size:13px;text-decoration:none;transition:border-color .15s,color .15s}.sib-chip:hover{border-color:var(--border-strong);color:var(--text)}.sib-chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.sib-chip.is-current{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:500}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.dropzone{border:1.5px dashed var(--border-strong);border-radius:var(--radius);background:var(--surface-2);cursor:pointer;text-align:center;width:100%;min-height:160px;color:inherit;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:24px;font-family:inherit;display:flex}.dropzone:hover,.dropzone.is-over{border-color:var(--accent);background:var(--accent-soft)}.dropzone-title{font-weight:500}.dropzone-hint{color:var(--text-muted);font-size:13px}.fileinfo{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);justify-content:space-between;align-items:center;gap:12px;padding:12px 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var(--border);border-radius:var(--radius);background:var(--accent-soft);margin-top:16px;padding:14px}.resultbox-head{color:var(--accent);justify-content:space-between;align-items:center;gap:12px;font-size:14px;display:flex}.resultblock+.resultblock{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}.resultlist{flex-direction:column;gap:6px;max-height:260px;margin:10px 0 0;padding:0;list-style:none;display:flex;overflow-y:auto}.resultitem{border-radius:var(--radius-sm);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;padding:7px 10px;font-size:13px;display:flex}.resultitem-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.field-row{flex-wrap:wrap;gap:12px;margin-top:16px;display:flex}.field-row .field{flex:150px;margin-top:0}.field select{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);padding:9px 12px;font-family:inherit;font-size:14px}.field-note{color:var(--text-faint);font-size:12px}.hint{color:var(--text-muted);margin-top:10px;font-size:13px}.hint-warn{color:var(--warn)}.hint-err{color:var(--danger)}.pageinfo-table{border-collapse:collapse;width:100%;margin-top:14px;font-size:13px}.pageinfo-table th,.pageinfo-table td{text-align:left;border-bottom:1px solid var(--border);padding:6px 10px}.pageinfo-table th{color:var(--text-muted);font-size:12px;font-weight:400}.pageinfo-scroll{max-height:320px;overflow-y:auto}.field{flex-direction:column;gap:6px;margin-top:16px;display:flex}.field label{color:var(--text-muted);font-size:13px}.field input[type=password],.field input[type=text],.field input[type=number]{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);padding:9px 12px;font-family:inherit;font-size:14px}.field input:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}.checkbox{color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:6px;font-size:13px;display:flex}.checkbox input{cursor:pointer;margin:0}.actions{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}button{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);cursor:pointer;padding:9px 18px;font-family:inherit;font-size:14px}button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){opacity:.9;color:#fff}button:disabled{opacity:.5;cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.dropzone:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.cancelbtn{margin-left:auto}.status{border-radius:var(--radius);align-items:center;gap:10px;margin-top:16px;padding:12px 14px;font-size:14px;display:flex}.status-info{background:var(--surface-2);color:var(--text-muted)}.status-ok{background:var(--accent-soft);color:var(--accent)}.status-err{background:var(--danger-soft);color:var(--danger)}.spinner{border:2px solid;border-top-color:#0000;border-radius:50%;flex-shrink:0;width:14px;height:14px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){.spinner{animation-duration:2s}}.privacy-note{border-radius:var(--radius-sm);background:var(--surface-2);color:var(--text-muted);margin-top:16px;padding:10px 12px;font-size:12px}.reader-toolbar{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);flex-wrap:wrap;align-items:center;gap:10px 18px;margin:14px 0 12px;padding:10px 12px;display:flex}.rt-group{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.reader-pageno{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);width:56px;color:var(--text);text-align:center;padding:5px 8px;font-family:inherit;font-size:13px}.reader-pagecount,.reader-zoom-value{color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:13px}.reader-zoomsel{border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);padding:5px 8px;font-family:inherit;font-size:13px}.reader-toolbar .iconbtn[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:500}.reader-speech{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);flex-direction:column;gap:8px;margin-bottom:12px;padding:10px 12px;display:flex}.rs-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.rs-label{color:var(--text-faint);margin-left:4px;font-size:12px}.rs-play{min-width:84px;font-weight:600}.rs-range{width:110px;accent-color:var(--accent)}.rs-value{min-width:38px;color:var(--text-muted);font-variant-numeric:tabular-nums;font-size:12px}.rs-voicesel{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);max-width:320px;padding:4px 8px;font-family:inherit;font-size:12px}.rs-note{color:var(--text-faint);font-size:12px;line-height:1.5}.reader-history{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);margin-bottom:12px;padding:12px 14px}.rh-head{flex-wrap:wrap;align-items:baseline;gap:8px 12px;display:flex}.rh-note{min-width:180px;color:var(--text-faint);flex:1;font-size:12px}.rh-list{flex-direction:column;gap:6px;max-height:240px;margin:10px 0 0;padding:0;list-style:none;display:flex;overflow-y:auto}.rh-item{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;display:flex}.rh-main{flex-direction:column;min-width:0;display:flex}.rh-name{text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.rh-meta{color:var(--text-faint);font-size:12px}.rh-actions{flex-shrink:0;gap:6px;display:flex}.reader{gap:12px;height:min(72vh,900px);margin-top:4px;display:flex}.reader-stage.is-immersive{z-index:90;background:var(--bg);flex-direction:column;gap:8px;padding:10px 12px;display:flex;position:fixed;inset:0;overflow:hidden}.reader-stage.is-immersive .reader{flex:auto;height:auto;min-height:0;margin-top:0}.reader-stage.is-immersive .reader-scroll{padding:10px}.reader-stage.is-immersive .reader-history,.reader-stage.is-immersive .reader-speech{flex:none}.reader-stage:fullscreen{background:var(--bg);padding:10px 12px}.reader-side{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);flex:0 0 190px;padding:8px;overflow-y:auto}.reader-outline{margin:0;padding:0;list-style:none}.reader-outline-item{border-radius:var(--radius-sm);width:100%;color:var(--text-muted);text-align:left;cursor:pointer;background:0 0;border:none;padding:5px 6px;font-family:inherit;font-size:13px;display:block}.reader-outline-item:hover:not(:disabled){background:var(--surface);color:var(--accent)}.reader-outline-item:disabled{opacity:.55;cursor:default}.reader-thumbs{flex-direction:column;align-items:center;gap:8px;margin:0;padding:0;list-style:none;display:flex}.reader-thumb{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;justify-content:center;align-items:center;width:100%;min-height:128px;padding:6px;display:flex;position:relative}.reader-thumb.is-current{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.reader-thumb-no{color:var(--text-faint);font-variant-numeric:tabular-nums;font-size:12px}.reader-thumb canvas{display:block}.reader-scroll{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-2);scroll-behavior:auto;flex:1;min-width:0;padding:8px;overflow:auto}.reader-scroll:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.reader-page{background:#fff;margin:0 auto 12px;position:relative;box-shadow:0 1px 3px #00000029}.reader-canvas{display:block}.reader-pageerr{color:var(--danger);text-align:center;justify-content:center;align-items:center;padding:16px;font-size:13px;display:flex;position:absolute;inset:0}.reader.is-night .reader-page{filter:invert()hue-rotate(180deg)}.reader.is-night .reader-scroll{background:#17171a;border-color:#2c2c30}.reader-page:after{content:"";z-index:0;pointer-events:none;mix-blend-mode:multiply;background:0 0;position:absolute;inset:0}.reader.paper-sepia .reader-page:after{background:#fdf6e3}.reader.paper-parchment .reader-page:after{background:#f0e2c4}.reader.paper-green .reader-page:after{background:#dcecd8}.reader.paper-gray .reader-page:after{background:#ececec}.reader.paper-sepia .reader-scroll,.reader.paper-parchment .reader-scroll,.reader.paper-green .reader-scroll,.reader.paper-gray .reader-scroll{background:var(--surface-2)}.rt-label{color:var(--text-faint);font-size:12px}.paper-swatch.sw-light{background:#fff}.paper-swatch.sw-sepia{background:#fdf6e3}.paper-swatch.sw-parchment{background:#f0e2c4}.paper-swatch.sw-green{background:#dcecd8}.paper-swatch.sw-gray{background:#ececec}.paper-swatch.sw-night{color:#f0f0f0;background:#1f1f22}.paper-swatch[aria-pressed=true]{outline:2px solid var(--accent);outline-offset:1px;font-weight:500}@media (max-width:640px){.reader{flex-direction:column;height:auto}.reader-side{flex:auto;max-height:220px}.reader-scroll{height:62vh}}