.nt-workspace{--nt-navy:#153b36;--nt-border:#c7d1d6;--nt-muted:#596b73;--nt-ratio:50%;position:relative;display:grid;grid-template-rows:auto auto auto minmax(0,1fr) auto;width:100%;height:100dvh;min-height:420px;max-height:100%;overflow:hidden;background:#fff;color:#162b36;font:13px/1.45 Arial,"Microsoft YaHei",sans-serif;isolation:isolate}.nt-workspace,.nt-workspace *{box-sizing:border-box}.nt-workspace [hidden]{display:none!important}.nt-workspace button,.nt-workspace input,.nt-workspace select,.nt-workspace textarea{font:inherit;letter-spacing:normal}.nt-workspace button{cursor:pointer}.nt-workspace button:disabled{opacity:.5;cursor:not-allowed}.nt-workspace button:focus-visible,.nt-workspace a:focus-visible,.nt-workspace select:focus-visible,.nt-workspace input:focus-visible,.nt-workspace [tabindex]:focus-visible{outline:2px solid #bb762e;outline-offset:2px}.nt-workspace h1,.nt-workspace h2,.nt-workspace h3,.nt-workspace h4{font-family:Arial,"Microsoft YaHei",sans-serif;letter-spacing:normal}.nt-workspace .nt-button{display:inline-flex;align-items:center;justify-content:center;gap:5px;border:1px solid #aebdc4;border-radius:4px;background:#fff;color:#183844;font-size:12px;line-height:1.3;min-height:30px;padding:5px 10px;white-space:nowrap;text-align:center;box-shadow:none;transform:none;margin:0;font-weight:600}.nt-workspace .nt-button:hover{background:#e9f0ef}.nt-workspace .nt-button[aria-pressed=true]{background:#dcece5;border-color:#4e7f6c;color:#153f32}.nt-workspace .nt-primary{background:#1e5a46;color:#fff;border-color:#1e5a46}.nt-workspace .nt-primary:hover{background:#174936}.nt-workspace .nt-mini{min-height:26px;padding:3px 7px;font-size:11px}.nt-workspace .nt-square{width:29px;min-width:29px;padding:0;font-size:24px;line-height:1}.nt-topbar{display:flex;align-items:center;gap:12px;padding:6px 12px;background:linear-gradient(100deg,#113c32,#245b46);color:#fff;min-height:43px;min-width:0}.nt-back{display:grid;place-items:center;flex:0 0 28px;width:28px;height:29px;border:1px solid #96b8a78a;border-radius:4px;font-size:20px;text-decoration:none;color:#fff}.nt-back:hover{background:#ffffff15}.nt-identity{display:flex;align-items:center;gap:14px;min-width:0;flex:1}.nt-wordmark{font-weight:800;font-size:18px;letter-spacing:-.7px;color:#eff9e8}.nt-subject{font-size:10px;letter-spacing:1.2px;opacity:.75}.nt-current-code{font-size:13px;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nt-page-nav{display:flex;gap:4px;align-items:center}.nt-workspace .nt-page-nav .nt-button{background:#ffffff0c;border-color:#82ab97;color:#fff}.nt-workspace .nt-page-select{height:29px;border:1px solid #82ab97;border-radius:4px;background:#eff4f0;color:#14372c;width:200px;padding:3px 24px 3px 8px;font-size:11px}.nt-clock{display:flex;align-items:center;gap:9px;padding-left:12px;border-left:1px solid #6e9783}.nt-clock>span:first-child{font-size:8px;letter-spacing:1px;color:#c0d4ca}.nt-time{font:700 17px/1.2 Consolas,monospace;min-width:57px;font-variant-numeric:tabular-nums}.nt-toolbar{display:flex;gap:12px;align-items:center;padding:6px 12px;border-bottom:1px solid var(--nt-border);background:#f5f8f8;min-width:0;overflow-x:auto;scrollbar-width:thin;scrollbar-color:#becacb transparent}.nt-tool-group{display:flex;gap:5px;align-items:center;padding-right:12px;border-right:1px solid #cad6d8;flex:0 0 auto}.nt-toolbar>.nt-button{flex-shrink:0}.nt-score{font-size:12px;font-weight:700;color:#174533;white-space:nowrap;margin-left:auto;padding:4px 10px;border:1px solid #95b4a3;border-radius:4px;background:#ebf5ed;flex-shrink:0}.nt-exhibits-bar{display:flex;gap:12px;align-items:center;min-width:0;padding:4px 12px;border-bottom:1px solid var(--nt-border);background:#fff}.nt-exhibits-label{font-size:9px;letter-spacing:.5px;line-height:1.2;color:#536976;flex-shrink:0}.nt-exhibit-links{display:flex;gap:6px;overflow-x:auto;scrollbar-width:thin;min-width:0;padding:1px 0}.nt-workspace .nt-exhibit-button{border:0;background:#f0f5f5;border-radius:3px;text-decoration:underline;text-underline-offset:3px;padding:4px 8px;min-height:27px;font-size:11px;max-width:320px;overflow:hidden;text-overflow:ellipsis;display:block;flex-shrink:0}.nt-workspace .nt-exhibit-button[aria-pressed=true]{background:#deece5}.nt-panes{display:grid;grid-template-columns:minmax(0,1fr);min-width:0;min-height:0;overflow:hidden;position:relative}.nt-question-pane{min-width:0;min-height:0;display:grid;grid-template-rows:31px minmax(0,1fr);background:#fff;overflow:hidden}.nt-question-tools{display:flex;align-items:center;gap:3px;min-width:0;padding:3px 10px;border-bottom:1px solid #dae2e5;background:#fcfdfd}.nt-question-caption{font-size:9px;font-weight:700;letter-spacing:1px;color:#5b7079;margin-right:auto}.nt-workspace .nt-question-tools .nt-mini{min-width:24px;min-height:23px;font-size:12px;padding:2px 5px}.nt-workspace .nt-zoom-select{width:67px;height:23px;border:1px solid #c2cdd3;background:#fff;border-radius:3px;padding:1px 3px;font-size:10px}.nt-question-scroll{overflow:auto;min-height:0;min-width:0;overscroll-behavior:contain;scrollbar-width:thin}.nt-question-host{min-height:100%;transform-origin:0 0;background:#fff}.nt-splitter{display:none;background:#e6ecee;position:relative;touch-action:none;z-index:3}.nt-splitter:after{content:'';position:absolute;border-radius:3px;background:#91a7b0}.nt-splitter:hover,.nt-splitter:focus{background:#b9d0d0}.nt-workspace[data-split=right] .nt-panes{grid-template-columns:minmax(0,calc(var(--nt-ratio) - 3px)) 6px minmax(0,1fr)}.nt-workspace[data-split=right] .nt-splitter{display:block;cursor:col-resize}.nt-workspace[data-split=right] .nt-splitter:after{width:2px;height:32px;left:2px;top:calc(50% - 16px)}.nt-workspace[data-split=bottom] .nt-panes{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,calc(var(--nt-ratio) - 3px)) 6px minmax(0,1fr)}.nt-workspace[data-split=bottom] .nt-splitter{display:block;cursor:row-resize}.nt-workspace[data-split=bottom] .nt-splitter:after{height:2px;width:32px;top:2px;left:calc(50% - 16px)}.nt-dock{min-height:0;min-width:0;display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden;background:#f5f8f9}.nt-workspace[data-split=none] .nt-dock{display:none}.nt-dock-tabs{display:flex;gap:2px;min-width:0;overflow-x:auto;padding:3px 5px 0;background:#edf3f4;border-bottom:1px solid #bdcbd1;scrollbar-width:thin}.nt-workspace .nt-doc-tab{max-width:220px;overflow:hidden;text-overflow:ellipsis;display:block;font-size:10px;min-height:27px;padding:5px 9px;border-radius:4px 4px 0 0;border-bottom:0;flex-shrink:0;background:#e8eff1;border-color:transparent}.nt-workspace .nt-doc-tab[aria-selected=true]{background:#fff;border-color:#bdcbd1;color:#124d3e}.nt-dock-body{min-width:0;min-height:0;overflow:hidden;position:relative}.nt-dock-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:26px;text-align:center;color:#60717a}.nt-dock-empty-icon{font-size:32px;color:#8aa59c;margin-bottom:14px}.nt-dock-empty strong{font-size:14px;margin-bottom:10px}.nt-dock-empty p{max-width:280px;font-size:12px;line-height:1.8;margin:0}.nt-document-card{display:grid;grid-template-rows:auto minmax(0,1fr);height:100%;min-width:0;min-height:0;background:#fff}.nt-document-tools{display:flex;gap:3px;align-items:center;flex-wrap:wrap;min-width:0;padding:4px 6px;border-bottom:1px solid #d3dfe3;background:#f8fafb}.nt-document-title{font-size:10px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 70px;min-width:30px;margin-right:2px}.nt-workspace .nt-doc-zoom-select{width:92px;height:25px;border:1px solid #bfccd2;border-radius:3px;background:#fff;font-size:10px;padding:1px 2px}.nt-doc-zoom-value{font-size:9px;color:#6d7a83;min-width:28px;text-align:center}.nt-document-scroll{overflow:auto;min-width:0;min-height:0;overscroll-behavior:contain;scrollbar-width:thin;background:#edf1f2}.nt-document-content{padding:14px;background:#fff;min-height:100%;font-size:14px;line-height:1.6;color:#182a34;transform-origin:0 0;overflow-wrap:break-word}.nt-document-content>p{margin:0 0 12px}.nt-document-content table{border-collapse:collapse;max-width:none;margin:10px 0}.nt-document-content td,.nt-document-content th{border:1px solid #aebbc3;padding:5px 8px;vertical-align:top}.nt-document-content img{display:block;height:auto;max-width:none;margin:0 auto 12px}.nt-document-content .nt-document-page{display:block;margin:0 auto 14px;background:#fff;box-shadow:0 1px 5px #2944552b}.nt-document-content h1{font-size:24px;line-height:1.3}.nt-document-content h2{font-size:20px;line-height:1.35}.nt-document-content h3{font-size:17px;line-height:1.4}.nt-document-content h4{font-size:15px;line-height:1.4}.nt-document-content a{color:#1a614e;text-decoration:underline}.nt-explanation-entry{padding:12px 12px 15px;border:1px solid #dce4e7;border-left:3px solid #bbd0c5;margin:0 0 12px;background:#fff;cursor:pointer}.nt-explanation-entry.nt-explanation-active{border-color:#c79653;border-left-color:#ac6623;background:#fff8e9;box-shadow:0 0 0 1px #c7965366}.nt-explanation-label{display:block;font-size:10px;line-height:1.5;color:#536d7b;margin-bottom:7px}.nt-explanation-answer{display:flex;flex-direction:column;gap:4px;color:#123f3a;font-size:14px;line-height:1.5}.nt-explanation-answer>span{color:#476f5e;font-size:13px}.nt-explanation-sources{font-size:10px!important;color:#637880;margin:8px 0!important;line-height:1.6}.nt-explanation-paragraph p{font-size:13px;line-height:1.65;margin:9px 0}.nt-explanation-paragraph p[lang=zh-CN]{color:#194d40}.nt-explanation-paragraph p[lang=en]{color:#354754}.nt-statusbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:4px 12px;background:#edf3f3;border-top:1px solid #c9d6da;color:#5b6e78;min-height:25px;font-size:10px;line-height:1.4}.nt-save-status{min-width:0;overflow-wrap:anywhere}.nt-save-status.nt-error{color:#9b3b2c;font-weight:600}.nt-zoom-hint{white-space:nowrap;color:#71838a;flex-shrink:0}.nt-window-layer{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:40}.nt-float-window{position:absolute;pointer-events:auto;display:grid;grid-template-rows:35px minmax(0,1fr);border:1px solid #63828c;border-radius:5px;background:#fff;box-shadow:0 12px 40px #122a3d42;overflow:hidden;min-width:0;min-height:0}.nt-float-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:4px 8px 4px 11px;background:#234d52;color:#fff;cursor:move;touch-action:none;user-select:none}.nt-float-title{font-size:12px;line-height:1.4;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nt-float-actions{display:flex;gap:4px;flex-shrink:0}.nt-workspace .nt-window-icon{background:#ffffff10;color:#fff;border:1px solid #6f9397;min-width:25px;height:25px;min-height:25px;padding:0;font-size:17px}.nt-workspace .nt-window-icon:hover{background:#ffffff28}.nt-float-body{min-height:0;min-width:0;overflow:auto}.nt-document-window>.nt-float-body{overflow:hidden}.nt-window-resize{position:absolute;right:0;bottom:0;width:20px;height:20px;cursor:nwse-resize;touch-action:none;background:linear-gradient(135deg,transparent 48%,#829b9e 49%,#829b9e 55%,transparent 56%,transparent 66%,#829b9e 67%,#829b9e 74%,transparent 75%,transparent 86%,#829b9e 87%);z-index:2}.nt-resizing{user-select:none}.nt-choice-content{padding:9px 11px 20px}.nt-choice-help{font-size:10px;color:#667a83;margin:0 0 8px}.nt-choice-list{display:grid;gap:5px}.nt-workspace .nt-choice-option{display:block;white-space:pre-wrap;text-align:left;padding:9px 12px;font-size:13px;font-weight:400;line-height:1.55;border-color:#d4dfe3;border-radius:3px;overflow-wrap:anywhere}.nt-workspace .nt-choice-option[aria-selected=true]{background:#e0eee5;border-color:#4e8268;color:#163f2d;font-weight:600}.nt-empty-message{font-size:12px;padding:12px;color:#536c75}.nt-calculator{padding:13px;display:grid;grid-template-rows:auto auto 1fr auto auto;gap:8px;min-height:370px;height:100%;background:#f5f8f8}.nt-workspace .nt-calc-display{width:100%;font:20px/1.5 Consolas,monospace;text-align:right;border:1px solid #9cb6b8;border-radius:4px;background:#fff;color:#16382d;padding:7px 9px;min-width:0;height:46px}.nt-calc-status{font-size:10px;min-height:14px;line-height:1.35;color:#546e71;margin:0;overflow-wrap:anywhere}.nt-calc-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(5,minmax(28px,1fr));gap:5px}.nt-workspace .nt-calc-key{font-size:16px;font-weight:500;min-height:30px;padding:3px}.nt-workspace .nt-calc-equals{background:#1d5a45;color:#fff;border-color:#1d5a45;min-height:32px;font-size:20px;line-height:1}.nt-workspace .nt-calc-copy{font-size:10px;background:#e7eeee;border-color:#b2c5ca;min-height:29px;padding:5px}.nt-locked{min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:35px;text-align:center}.nt-locked-icon{font-size:30px;color:#748a81}.nt-locked h2{font-size:21px;margin:0}.nt-locked p{max-width:560px;margin:0;line-height:1.7;color:#5c6f76}.nt-return-link{display:inline-block;margin-top:8px;padding:8px 16px;border:1px solid #82a496;border-radius:4px;color:#1e5844;background:#f1f7f2}.nt-locked-workspace .nt-zoom-hint{display:none}
@media(max-width:1100px){.nt-toolbar{gap:8px;padding:5px 8px}.nt-tool-group{padding-right:8px}.nt-workspace .nt-toolbar .nt-button{font-size:11px;padding:5px 8px}.nt-doc-zoom-value{display:none}.nt-document-title{flex-basis:100%;max-width:100%;margin-bottom:2px}.nt-document-tools{gap:4px}.nt-document-tools .nt-close-document{margin-left:auto}.nt-score{font-size:11px;padding:4px 7px}.nt-identity{gap:9px}}
@media(max-width:600px){.nt-workspace{min-height:360px}.nt-topbar{gap:6px;padding:5px 6px;flex-wrap:wrap}.nt-identity{gap:8px}.nt-wordmark{font-size:15px}.nt-subject{display:none}.nt-current-code{font-size:11px}.nt-back{height:27px;flex-basis:25px;width:25px}.nt-clock{gap:5px;padding-left:7px}.nt-clock>span:first-child{display:none}.nt-time{font-size:15px;min-width:45px}.nt-page-nav{order:3;width:100%;gap:5px}.nt-workspace .nt-page-select{flex:1;width:auto;height:27px}.nt-workspace .nt-page-nav .nt-square{min-height:27px;height:27px}.nt-toolbar{gap:6px;padding:5px 6px;flex-wrap:nowrap}.nt-tool-group{padding-right:6px}.nt-workspace .nt-toolbar .nt-button{min-height:30px;font-size:10px;padding:5px 7px}.nt-exhibits-bar{padding:3px 6px;gap:7px}.nt-exhibits-label{font-size:8px;max-width:42px;white-space:normal}.nt-workspace .nt-exhibit-button{font-size:10px;max-width:230px}.nt-question-tools{padding:3px 6px}.nt-question-caption{font-size:8px;letter-spacing:.3px}.nt-statusbar{padding:4px 7px;font-size:9px;min-height:22px}.nt-zoom-hint{display:none}.nt-document-content{padding:10px;font-size:13px}.nt-document-title{font-size:9px}.nt-workspace .nt-document-tools .nt-mini{font-size:10px;padding:3px 5px;min-height:26px}.nt-workspace .nt-doc-zoom-select{width:84px;font-size:9px}.nt-document-tools{padding:3px;gap:2px}.nt-document-tools .nt-close-document{margin-left:0}.nt-workspace[data-split=right] .nt-doc-zoom-select{width:70px}.nt-workspace[data-split=right] .nt-document-tools{gap:1px}.nt-dock-empty{padding:15px}.nt-dock-empty strong{font-size:12px}.nt-dock-empty p{font-size:10px}.nt-dock-tabs{padding:2px 3px 0}.nt-workspace .nt-doc-tab{font-size:9px;max-width:150px}.nt-float-head{padding:4px 6px}.nt-float-title{font-size:11px}.nt-workspace .nt-choice-option{font-size:12px;padding:9px}.nt-explanation-entry{padding:9px 8px;margin-bottom:8px}.nt-explanation-paragraph p{font-size:12px}.nt-explanation-answer{font-size:13px}.nt-locked{padding:24px 16px}.nt-locked h2{font-size:19px}}
@media(prefers-reduced-motion:reduce){.nt-workspace *{scroll-behavior:auto!important}}

.nt-workspace>.nt-topbar{grid-row:1}.nt-workspace>.nt-toolbar{grid-row:2}.nt-workspace>.nt-exhibits-bar{grid-row:3}.nt-workspace>.nt-panes{grid-row:4}.nt-workspace>.nt-statusbar{grid-row:5}