:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#101a30;background:#f8fafc;font-synthesis:none;--blue:#3059e8;--muted:#7c879b;--line:#dfe5ee}
*{box-sizing:border-box}body{margin:0}button,textarea,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit}svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.symbol-bank{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #9db2ff;outline-offset:3px}
.topbar{height:82px;background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1120px;margin:auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;font-size:22px;font-weight:650;letter-spacing:.2px}.brand svg{width:30px;height:32px;color:var(--blue);stroke-width:2.8}.header-note{font-size:14px;color:var(--muted)}.workspace{max-width:1120px;margin:0 auto;padding:42px 24px 20px}.intro{padding:0 14px}.intro h1{font-size:44px;letter-spacing:-1px;line-height:1.3;margin:0;font-weight:750}.intro p{font-size:20px;line-height:1.65;color:#6f7b90;margin:12px 0 30px}.panels{display:grid;grid-template-columns:minmax(0,44fr) minmax(0,56fr);gap:14px;align-items:stretch}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;min-width:0;padding:24px}.input-panel{display:flex;flex-direction:column;min-height:565px}.panel-heading,h2{display:block;margin:0;font-size:19px;line-height:1.5;font-weight:650}.panel-heading{margin-bottom:18px}#share-text{display:block;width:100%;min-height:138px;border:1px solid #cfd7e5;border-radius:7px;padding:14px;color:#16213b;font-size:16px;line-height:1.6;resize:vertical;background:white}textarea::placeholder{color:#8a96aa}textarea:focus{outline:2px solid #a5b8ff;outline-offset:1px}.hint{font-size:14px;color:var(--muted);margin:9px 0 16px;line-height:1.5}.primary-button{display:flex;align-items:center;justify-content:center;gap:13px;border:1px solid #2851dc;border-radius:7px;width:100%;height:48px;background:var(--blue);color:#fff;font-size:16px;line-height:1.3;box-shadow:0 2px 4px #3059e814;transition:background .15s}.primary-button:hover{background:#254cda}.primary-button:disabled{background:#708bec;border-color:#708bec}.primary-button svg{width:21px;height:21px}.upload-button{display:block;margin:13px auto 25px;padding:3px 0;background:none;border:0;color:var(--blue);font-size:15px;line-height:1.5;text-decoration:underline;text-underline-offset:3px}.upload-button:disabled{color:#939dac}.input-panel fieldset{padding:22px 0 0;border:0;border-top:1px solid #e3e8f1;margin:0;min-width:0}.input-panel legend{float:left;width:100%;font-size:18px;font-weight:650;margin-bottom:19px;padding:0}.radio-row{display:flex;align-items:flex-start;gap:12px;clear:both;cursor:pointer;margin:0 0 20px}.radio-row input{accent-color:var(--blue);width:21px;height:21px;margin:1px 0 0;flex-shrink:0;cursor:pointer}.radio-row strong{font-size:16px;font-weight:500;line-height:1.5;display:block}.radio-row small{font-size:14px;line-height:1.5;color:var(--muted);display:block;margin-top:3px}.local-status{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:20px;font-size:14px;line-height:1.5;color:#455269}.status-dot{width:10px;height:10px;border-radius:50%;background:#39c47c;flex-shrink:0}.status-dot.waiting{background:#d2a04b}.status-dot.error{background:#cf6068}.task-message{background:#f0f4ff;color:#3154b7;border-radius:7px;font-size:14px;padding:11px 12px;line-height:1.65;margin-bottom:20px;overflow-wrap:anywhere}.task-message.error{background:#fff1f1;color:#ac3a47}.task-message.success{background:#f0faf5;color:#25794f}.task-message.loading::before{content:"";display:inline-block;border:2px solid #c1cef8;border-top-color:var(--blue);border-radius:50%;width:12px;height:12px;vertical-align:-2px;margin-right:8px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-panel{display:flex;flex-direction:column;min-height:565px}.result-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.toolbar{display:flex;gap:8px}.tool-button{display:flex;align-items:center;justify-content:center;gap:7px;height:36px;padding:0 12px;border:1px solid #dfe5ee;border-radius:6px;background:#fff;color:#546279;font-size:14px;line-height:1.3;white-space:nowrap}.tool-button:hover:enabled{background:#f2f5ff;color:var(--blue);border-color:#c6d2fa}.tool-button:disabled{background:#f5f7fa;color:#a3adbd;border-color:#edf0f5}.tool-button svg{width:17px;height:17px}.empty-state{display:flex;flex:1;min-height:340px;align-items:center;justify-content:center;flex-direction:column;padding:32px 0}.empty-state>svg{width:63px;height:72px;color:#b6becc;stroke-width:4.5;margin-bottom:26px}.empty-state h3{font-size:19px;font-weight:550;line-height:1.5;margin:0 0 10px}.empty-state p{color:var(--muted);font-size:15px;line-height:1.6;text-align:center;margin:0}.result-meta{display:flex;justify-content:space-between;gap:12px;font-size:13px;line-height:1.5;color:var(--muted);border-bottom:1px solid #edf0f5;padding:15px 0 12px;margin-top:6px}.result-meta span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70%}.result-meta span:last-child{white-space:nowrap}.transcript{display:block;width:100%;flex:1;min-height:380px;resize:vertical;border:0;background:#fff;line-height:1.9;font-size:16px;padding:18px 0;color:#263249}.transcript:focus{outline:0}.result-foot{border-top:1px solid #edf0f5;font-size:13px;color:var(--muted);margin:0;padding-top:12px;line-height:1.6}.footer-note{display:flex;align-items:center;justify-content:center;gap:18px;padding:17px 0 0;color:#8994a7;font-size:14px;line-height:1.7}.footer-note span{height:1px;width:60px;background:#dfe5ee;flex-shrink:0}.footer-note p{margin:12px 0;text-align:center}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);border-radius:8px;background:#1e2a43;color:#fff;box-shadow:0 4px 20px #17213b20;padding:12px 20px;font-size:14px;max-width:90%;text-align:center;z-index:10}
@media(min-width:1500px){.workspace{padding-top:52px}.intro p{margin-bottom:34px}.input-panel,.result-panel{min-height:600px}}
@media(max-width:1000px){.workspace{padding-left:20px;padding-right:20px}.panel{padding:20px}.panels{grid-template-columns:minmax(0,43fr) minmax(0,57fr)}.tool-button{padding:0 8px;gap:5px;font-size:13px}.toolbar{gap:6px}.result-header h2{font-size:18px}}
@media(max-width:760px){.topbar{height:70px}.header-inner{padding:0 20px}.brand{font-size:20px;gap:10px}.brand svg{width:25px;height:29px}.header-note{font-size:12px}.workspace{padding:26px 14px 18px}.intro{padding:0 10px}.intro h1{font-size:30px;letter-spacing:-.5px;line-height:1.4}.intro p{font-size:15px;margin:8px 0 22px;line-height:1.7}.panels{grid-template-columns:minmax(0,1fr);gap:18px}.panel{padding:20px}.input-panel{min-height:0}.panel-heading{font-size:18px;margin-bottom:12px}#share-text{min-height:104px;font-size:15px;padding:12px}.hint{font-size:13px;margin:7px 0 14px}.primary-button{height:44px;font-size:16px}.upload-button{font-size:14px;margin:12px auto 20px}.input-panel fieldset{padding-top:18px}.input-panel legend{font-size:17px;margin-bottom:16px}.radio-row{gap:11px;margin-bottom:16px}.radio-row strong{font-size:15px}.radio-row small{font-size:13px}.local-status{padding-top:8px;font-size:13px}.result-panel{min-height:310px}.result-header h2{font-size:17px}.tool-button{font-size:12px;gap:5px;padding:0 8px;height:32px}.tool-button svg{width:15px;height:15px}.empty-state{min-height:230px;padding:28px 0 15px}.empty-state>svg{width:42px;height:48px;stroke-width:4.5;margin-bottom:17px}.empty-state h3{font-size:16px;margin-bottom:6px}.empty-state p{font-size:13px}.transcript{min-height:300px;font-size:15px}.footer-note{font-size:11px;padding-top:6px;gap:0}.footer-note span{display:none}}
#share-text{height:138px}
.analysis-panel,.mindmap-panel{margin-top:22px;padding:26px 28px}.section-header{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.section-header>div{min-width:0}.section-description{margin:7px 0 0;color:var(--muted);font-size:14px;line-height:1.65}.analysis-controls{display:flex;align-items:center;gap:22px;margin-top:22px;flex-wrap:wrap}.analysis-controls>.primary-button{width:auto;padding:0 23px;height:44px}.automatic-note{font-size:13px;color:#8390a5;line-height:1.7}.cloud-note{margin:11px 0 18px;font-size:12px;color:#7a879d;line-height:1.7}.ai-service{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fbfcfe;border:1px solid #e3e8f1;border-radius:8px;padding:12px 14px;margin-bottom:18px}.ai-service>div{display:flex;align-items:center;gap:9px;flex-wrap:wrap;min-width:0}.ai-service strong{font-size:13px;color:#4b5c76;font-weight:550;line-height:1.6}.ai-service>div>span:last-child{font-size:12px;color:#8692a6;line-height:1.7;overflow-wrap:anywhere}.ai-service>.tool-button{flex-shrink:0;height:31px;font-size:12px;padding:0 9px}.analysis-message{margin:0 0 20px}.task-message.warning{color:#8d651f;background:#fff8e9}.section-empty{display:flex;min-height:148px;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:28px 20px;background:#fbfcfe;border:1px dashed #e1e7f1;border-radius:8px}.section-empty>p{font-size:16px;color:#64728a;line-height:1.5;font-weight:500;margin:0 0 8px}.section-empty>span{font-size:13px;color:#8a95a6;line-height:1.7}.summary-block{padding:20px 22px;background:#f0f4ff;border:1px solid #e4eaff;border-radius:8px}.content-label{font-size:12px;color:#4568cb;letter-spacing:.4px}.summary-block p{font-size:18px;line-height:1.8;color:#1f365f;margin:7px 0 0;font-weight:550;overflow-wrap:anywhere}.analysis-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;margin-top:25px}.analysis-group h3{font-size:16px;line-height:1.5;margin:0 0 16px;font-weight:650}.analysis-group h4{font-size:14px;line-height:1.65;color:#2c3c58;font-weight:600;margin:0 0 5px;overflow-wrap:anywhere}.analysis-group p,.analysis-group li{font-size:14px;line-height:1.9;color:#68758a;overflow-wrap:anywhere}.analysis-group p{margin:0}.key-points{list-style:none;counter-reset:point;margin:0;padding:0}.key-points>li{position:relative;padding-left:34px;counter-increment:point;margin-bottom:19px}.key-points>li::before{content:counter(point,decimal-leading-zero);position:absolute;top:1px;left:0;font-size:12px;font-weight:650;color:#5678d3}.outline-item{border-left:2px solid #e2e9f8;padding-left:16px;margin-bottom:18px}.outline-item ul{margin:5px 0 0;padding-left:18px}.outline-item li+li{margin-top:4px}.reflections-block{border-top:1px solid #edf0f5;margin-top:12px;padding-top:23px}.reflections-heading{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}.reflections-heading h3{margin:0}.reflections-heading span{font-size:11px;line-height:1.6;color:#8c7651;background:#f9f4eb;padding:3px 8px;border-radius:4px}.reflections-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.reflection-item{border:1px solid #e6eaf1;border-radius:8px;padding:16px;background:#fcfdff}.reflection-item h4{margin-bottom:7px}.map-toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-top:20px;margin-bottom:11px;flex-wrap:wrap}.map-toolbar>div{display:flex;align-items:center;gap:7px}.map-toolbar>div>.tool-button{height:31px;padding:0 10px}.map-toolbar>span{font-size:12px;color:#8b96a7}.map-toolbar>div>span{font-size:12px;min-width:43px;text-align:center;color:#6c7b91}.mindmap-viewport{max-width:100%;width:100%;overflow:auto;max-height:620px;min-height:220px;border:1px solid #e4eaf3;border-radius:8px;background:#fbfcff;overscroll-behavior:contain}.mindmap-viewport:focus-visible{outline:2px solid #a5b8ff;outline-offset:2px}#mindmap-canvas{width:max-content;min-width:100%;min-height:220px;display:flex;align-items:center;justify-content:center;padding:12px}#mindmap-canvas>svg{display:block;flex-shrink:0}#mindmap-canvas [role=button]:focus>rect{stroke:#3059e8;stroke-width:3}.map-empty{min-height:210px;margin-top:22px}
@media(max-width:760px){#share-text{height:104px}}
@media(max-width:760px){.analysis-panel,.mindmap-panel{margin-top:18px;padding:20px}.section-header{gap:12px}.section-description{font-size:13px}.analysis-controls{gap:14px;margin-top:18px}.analysis-controls>.primary-button{width:100%;font-size:15px;padding:0 14px}.automatic-note{font-size:12px}.cloud-note{font-size:11px;margin-bottom:15px}.ai-service{padding:11px;align-items:flex-start}.ai-service>div{gap:6px}.ai-service>div>span:last-child{display:block;width:100%;font-size:11px}.ai-service>.tool-button{font-size:11px}.section-empty{padding:24px 12px;min-height:130px}.section-empty>p{font-size:15px}.section-empty>span{font-size:12px}.summary-block{padding:16px}.summary-block p{font-size:16px}.analysis-columns{grid-template-columns:minmax(0,1fr);gap:14px;margin-top:22px}.analysis-group h3{font-size:15px;margin-bottom:14px}.analysis-group h4,.analysis-group p,.analysis-group li{font-size:13px}.reflections-block{margin-top:0;padding-top:20px}.reflections-list{grid-template-columns:minmax(0,1fr)}.reflection-item{padding:14px}.map-toolbar{gap:10px;margin-top:17px}.map-toolbar>span{font-size:11px}.mindmap-viewport{max-height:480px}.map-empty{min-height:165px}}
@media(prefers-reduced-motion:reduce){*,*::before{animation:none!important;transition:none!important}}