#zk-answer-r15{--zk-bg:light-dark(#f5f8fa,#101b26);--zk-paper:light-dark(#ffffff,#192b3a);--zk-ink:light-dark(#102d45,#edf5f9);--zk-muted:light-dark(#516a7d,#adc1d0);--zk-line:light-dark(#dbe5eb,#354e60);--zk-teal:light-dark(#00848b,#77d8d3);--zk-on-teal:light-dark(#ffffff,#102b30);--zk-soft:light-dark(#eaf6f5,#203f45);--zk-warn:light-dark(#835215,#f3d19b);--zk-warn-bg:light-dark(#fff5e5,#403223);--zk-error:light-dark(#a73538,#ffb2b4);--zk-error-bg:light-dark(#fff0ef,#40262f);color:var(--zk-ink);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:15px;line-height:1.5}#zk-answer-r15 *{box-sizing:border-box}#zk-answer-r15 button,#zk-answer-r15 input,#zk-answer-r15 select,#zk-answer-r15 textarea{font:inherit}#zk-answer-r15 button{padding:9px 14px;border:1px solid var(--zk-line);border-radius:8px;background:var(--zk-paper);color:var(--zk-ink);display:inline-flex;align-items:center;justify-content:center;gap:7px;white-space:normal}#zk-answer-r15 button:hover:not(:disabled){background:var(--zk-soft)}#zk-answer-r15 button:disabled{opacity:.55}#zk-answer-r15 button.zk-primary{background:var(--zk-teal);color:var(--zk-on-teal);border-color:var(--zk-teal)}#zk-answer-r15 button.zk-primary:hover:not(:disabled){filter:brightness(.96)}#zk-answer-r15 button.zk-quiet{background:transparent;border-color:transparent;color:var(--zk-muted)}#zk-answer-r15 button[aria-pressed=true]{background:var(--zk-soft);border-color:var(--zk-teal);color:var(--zk-ink)}#zk-answer-r15 :is(input,textarea,select){color:var(--zk-ink);background:var(--zk-paper);border:1px solid var(--zk-line);border-radius:7px;padding:10px 12px;min-width:0;max-width:100%}#zk-answer-r15 :is(input,textarea){font-size:16px}#zk-answer-r15 input[type=checkbox]{width:18px;height:18px;accent-color:var(--zk-teal)}#zk-answer-r15 h2{font-size:24px;font-weight:600;line-height:1.25;margin:0 0 12px}#zk-answer-r15 h3{font-size:17px;font-weight:600;line-height:1.4;margin:0 0 8px}#zk-answer-r15 p{margin:0 0 12px}#zk-answer-r15 .zk-secondary,#zk-answer-r15 small{color:var(--zk-muted);font-size:13px}#zk-answer-r15 .zk-preview-controls{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin:0 0 14px}#zk-answer-r15 .zk-preview-title{flex:1 1 250px;color:var(--zk-muted);font-size:13px}#zk-answer-r15 .zk-preview-controls label{display:flex;flex-wrap:wrap;gap:7px;align-items:center;color:var(--zk-muted);font-size:13px}#zk-answer-r15 .zk-preview-controls select{max-width:230px;min-height:40px;font-size:13px;padding:7px 9px}#zk-answer-r15 .zk-shell{max-width:820px;margin:0 auto;background:var(--zk-bg);border:1px solid var(--zk-line);overflow:clip;container-type:inline-size}#zk-answer-r15[data-device=phone] .zk-shell{max-width:390px}#zk-answer-r15[data-device=desktop] .zk-shell{max-width:100%}#zk-answer-r15 .zk-top{padding:12px 20px;display:flex;align-items:center;flex-wrap:wrap;gap:10px;background:var(--zk-paper);border-bottom:1px solid var(--zk-line)}#zk-answer-r15 .zk-brand{font-weight:700;font-size:20px;letter-spacing:-.6px;margin-right:auto}#zk-answer-r15 .zk-brand span{color:var(--zk-teal)}#zk-answer-r15 .zk-user{color:var(--zk-muted);font-size:13px}#zk-answer-r15 .zk-home-intro{max-width:570px;padding:8px 0 22px}#zk-answer-r15 .zk-home-action{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}#zk-answer-r15 .zk-divider{border-top:1px solid var(--zk-line);margin:24px 0 18px}#zk-answer-r15 .zk-work-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid var(--zk-line)}#zk-answer-r15 .zk-work-row p{margin:0}#zk-answer-r15 .zk-name{font-size:16px;font-weight:600;overflow-wrap:anywhere}#zk-answer-r15 .zk-import{max-width:640px;margin:0 auto}#zk-answer-r15 .zk-import-heading{display:flex;justify-content:space-between;gap:14px;align-items:start;margin-bottom:20px}#zk-answer-r15 .zk-upload-box{background:var(--zk-paper);border:1px dashed var(--zk-line);border-radius:10px;padding:24px;margin:18px 0}#zk-answer-r15 .zk-document{background:var(--zk-paper);border:1px solid var(--zk-line);padding:22px;border-radius:9px;margin:16px 0}#zk-answer-r15 .zk-fileline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px;color:var(--zk-muted);font-size:13px}#zk-answer-r15 .zk-checked{align-items:center;min-height:44px}#zk-answer-r15 .zk-caption{display:block;margin-bottom:6px;font-weight:500}#zk-answer-r15 .zk-import textarea{width:100%;min-height:160px;resize:vertical;line-height:1.6}#zk-answer-r15 .zk-work-head{display:flex;gap:12px;flex-wrap:wrap;align-items:start;margin-bottom:10px}#zk-answer-r15 .zk-title-block{flex:1 1 270px;min-width:0}#zk-answer-r15 .zk-title{font-size:20px;font-weight:600;line-height:1.3;margin-bottom:4px;overflow-wrap:anywhere}#zk-answer-r15 .zk-status{color:var(--zk-muted);font-size:13px}#zk-answer-r15 .zk-status[data-tone=ok]{color:var(--zk-teal)}#zk-answer-r15 .zk-status[data-tone=error]{color:var(--zk-error)}#zk-answer-r15 .zk-tools{display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--zk-line);padding-bottom:14px;margin-bottom:16px}#zk-answer-r15 .zk-tools .zk-spacer{flex:1 1}#zk-answer-r15 .zk-layout{display:grid;grid-template-columns:minmax(0,1fr);align-items:start;gap:18px}#zk-answer-r15 .zk-editor{min-width:0;background:var(--zk-paper);padding:22px;border:1px solid var(--zk-line);border-radius:10px}#zk-answer-r15 .zk-editor-top{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-bottom:10px}#zk-answer-r15 .zk-editor textarea{width:100%;min-height:300px;resize:vertical;line-height:1.75;border:0;padding:8px 0;border-radius:0;background:transparent}#zk-answer-r15 .zk-editor-note{border-top:1px solid var(--zk-line);margin-top:10px;padding-top:12px;font-size:13px;color:var(--zk-muted)}#zk-answer-r15 .zk-panel{min-width:0;background:var(--zk-paper);padding:20px;border:1px solid var(--zk-line);border-radius:10px}#zk-answer-r15 .zk-panel-head{gap:8px;margin-bottom:14px}#zk-answer-r15 .zk-panel-head h3{margin:0}#zk-answer-r15 .zk-close{padding:7px 10px;font-size:13px}#zk-answer-r15 .zk-find{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}#zk-answer-r15 .zk-find input{flex:1 1 160px;width:100%}#zk-answer-r15 .zk-source{border-top:1px solid var(--zk-line);padding:16px 0 4px}#zk-answer-r15 .zk-source h4{margin:0 0 6px;font-size:15px;font-weight:600}#zk-answer-r15 .zk-source p{font-size:14px}#zk-answer-r15 .zk-source button{margin:5px 6px 4px 0}#zk-answer-r15 .zk-quote{margin:12px 0;padding:12px 14px;background:var(--zk-soft);border-radius:6px;font-size:14px;white-space:pre-wrap}#zk-answer-r15 .zk-actions{display:flex;margin-top:14px}#zk-answer-r15 .zk-notice{padding:12px 15px;border-radius:7px;background:var(--zk-soft);margin-bottom:16px;font-size:14px}#zk-answer-r15 .zk-notice[data-tone=error]{background:var(--zk-error-bg);color:var(--zk-error)}#zk-answer-r15 .zk-notice p{margin:0 0 6px}#zk-answer-r15 .zk-notice button{margin-top:6px}#zk-answer-r15 .zk-export{margin-top:16px;padding:18px 20px;background:var(--zk-soft);border-radius:8px}#zk-answer-r15 .zk-export-row{display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between;align-items:center}#zk-answer-r15 .zk-export p{margin:0}#zk-answer-r15 .zk-export-name{overflow-wrap:anywhere;font-weight:500}#zk-answer-r15 .zk-preview-document{padding:22px;margin-top:14px;background:var(--zk-paper);border:1px solid var(--zk-line);white-space:pre-wrap;overflow-wrap:anywhere}#zk-answer-r15 .zk-dialog{border:1px solid var(--zk-line);background:var(--zk-paper);color:var(--zk-ink);border-radius:12px;padding:24px;width:min(620px,calc(100% - 24px));max-height:90%}#zk-answer-r15 .zk-dialog::backdrop{background:light-dark(#0b25395c,#00000088)}#zk-answer-r15 .zk-dialog p{overflow-wrap:anywhere}#zk-answer-r15 .zk-history-row{padding:12px 0;border-top:1px solid var(--zk-line)}#zk-answer-r15 .zk-history-row button{margin-top:8px}#zk-answer-r15 .zk-memory{color:var(--zk-muted);font-size:12px;padding:12px 20px;border-top:1px solid var(--zk-line);background:var(--zk-paper)}#zk-answer-r15 .zk-a11y{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}#zk-answer-r15 .zk-ai-actions{display:grid;gap:8px;margin:14px 0}#zk-answer-r15 .zk-ai-actions button{width:100%;justify-content:flex-start;text-align:left;flex-direction:column;align-items:flex-start;gap:3px}#zk-answer-r15 .zk-ai-actions button span{font-weight:600}#zk-answer-r15 .zk-ai-actions button small{font-weight:400}#zk-answer-r15 .zk-ai-label{color:var(--zk-teal);font-size:13px;margin-bottom:12px}#zk-answer-r15 .zk-ai-context{font-size:13px;color:var(--zk-muted);margin:12px 0;overflow-wrap:anywhere}#zk-answer-r15 .zk-ai-context ul{padding-left:20px}#zk-answer-r15 .zk-ai-output{width:100%;min-height:240px;resize:vertical;line-height:1.6;margin:4px 0 8px}#zk-answer-r15 .zk-ai-result h4{margin:12px 0 8px;font-size:15px}#zk-answer-r15 .zk-ai-result details{margin:12px 0;font-size:13px}#zk-answer-r15 .zk-ai-result summary{min-height:44px;display:flex;align-items:center}#zk-answer-r15 .zk-ai-result .zk-quote{overflow-wrap:anywhere}#zk-answer-r15 .zk-ai-result .zk-actions button{flex:1 1 160px}#zk-answer-r15 .zk-ai-undo{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 0;border-top:1px solid var(--zk-line);margin-top:10px;font-size:13px}#zk-answer-r15 .zk-ai-undo span{flex:1 1 150px}#zk-answer-r15 .zk-selection{display:flex;gap:8px;flex-wrap:wrap;align-items:center}#zk-answer-r15 .zk-selection button{font-size:13px;padding:7px 10px}@container (min-width:740px){#zk-answer-r15 .zk-layout[data-panel=open]{grid-template-columns:minmax(0,1.45fr) minmax(270px,1fr)}#zk-answer-r15 .zk-layout[data-panel=open] .zk-editor{padding:18px}}@container (max-width:739px){#zk-answer-r15 .zk-layout[data-panel=open] .zk-editor{display:none}#zk-answer-r15 .zk-panel{padding:18px}}@container (max-width:470px){#zk-answer-r15 .zk-main{padding:18px 14px}#zk-answer-r15 .zk-top{padding:10px 14px}#zk-answer-r15 .zk-user{display:none}#zk-answer-r15 .zk-brand{font-size:18px}#zk-answer-r15 h2{font-size:22px}#zk-answer-r15 .zk-editor{padding:16px}#zk-answer-r15 .zk-title{font-size:19px}#zk-answer-r15 .zk-tools{gap:5px}#zk-answer-r15 .zk-tools button{flex:1 1 auto;padding:8px 10px;font-size:13px}#zk-answer-r15 .zk-tools .zk-spacer{display:none}#zk-answer-r15 .zk-work-head .zk-primary{width:100%}#zk-answer-r15 .zk-import-heading{flex-direction:column}}#zk-answer-r15 #busy-state{min-height:72px;box-sizing:border-box}#zk-answer-r15 .fact-meaning{font-weight:600}#zk-answer-r15 .demo-area input[type=file]{max-width:100%}#zk-answer-r15 .demo-area .zk-actions{flex-wrap:wrap}#zk-answer-r15 #busy-text{flex:1 1}#zk-answer-r15 #busy-return{flex-shrink:0}@media (max-width:600px){#zk-answer-r15 #busy-state{min-height:114px;align-items:start;flex-direction:column}#zk-answer-r15 #busy-return{width:100%}}#zk-answer-r15 [hidden]{display:none!important}@media (max-width:600px){#zk-answer-r15 .panel-dialog{max-width:100%}}#zk-answer-r15 button.zk-primary:hover:not(:disabled){background:var(--zk-teal);color:var(--zk-on-teal)}body{margin:0;background:#f5f8fa}#zk-answer-r15{color-scheme:light}#zk-answer-r15 .zk-shell{border-radius:12px;margin:0 auto 30px}#zk-answer-r15 .demo-area{max-width:1120px;margin:12px auto;font-size:13px;color:var(--zk-muted);padding:0 16px}#zk-answer-r15 .demo-area details>p{margin:10px 0}#zk-answer-r15 summary{cursor:pointer;min-height:44px;display:list-item;padding:10px 0}#zk-answer-r15 .zk-main{padding:24px}#zk-answer-r15 .zk-top{padding:12px 24px}#zk-answer-r15 .zk-title{margin:0 0 5px}#zk-answer-r15 button{cursor:pointer;min-height:44px;max-width:100%}#zk-answer-r15 button:disabled{cursor:default}#zk-answer-r15 :focus-visible{outline:3px solid #087d8b;outline-offset:3px}#zk-answer-r15 .next-step{display:flex;gap:18px;align-items:center;justify-content:space-between;padding:18px;background:var(--zk-soft);border-left:4px solid var(--zk-teal);border-radius:8px;margin:18px 0}#zk-answer-r15 .next-step p{font-size:14px;margin:4px 0 0}#zk-answer-r15 .next-step button{flex-shrink:0}#zk-answer-r15 #answer{min-height:340px;width:100%;line-height:1.75;resize:vertical}#zk-answer-r15 .editor-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:12px 0}#zk-answer-r15 .comparison{padding:22px;background:var(--zk-paper);border:1px solid var(--zk-line);border-radius:9px;margin:18px 0}#zk-answer-r15 .change{border:1px solid var(--zk-line);padding:16px;border-radius:8px;margin:12px 0}#zk-answer-r15 .change label{display:flex;gap:10px;align-items:center;font-weight:600}#zk-answer-r15 .change-pair{display:grid;grid-template-columns:1fr;gap:10px;margin-top:12px}#zk-answer-r15 .after,#zk-answer-r15 .before{border-left:3px solid #526b7d;padding:10px 14px;background:#f5f8fa}#zk-answer-r15 .after{border-color:var(--zk-teal);background:var(--zk-soft)}#zk-answer-r15 blockquote,#zk-answer-r15 pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;line-height:1.7;margin:10px 0}#zk-answer-r15 .internal-note{background:#f3f7f9;border:1px solid var(--zk-line);border-radius:8px;padding:14px;margin:16px 0}#zk-answer-r15 .panel-dialog{border:1px solid var(--zk-line);border-radius:12px;padding:24px;color:var(--zk-ink);background:var(--zk-paper);width:min(740px,calc(100% - 32px));max-height:88vh;overflow:auto;box-sizing:border-box}#zk-answer-r15 dialog::backdrop{background:rgba(16,45,69,.4)}#zk-answer-r15 .panel-dialog h2{font-size:22px}#zk-answer-r15 .panel-dialog label:not(.zk-checked){display:block;font-weight:500;margin:14px 0 6px}#zk-answer-r15 .panel-dialog input:not([type=checkbox]),#zk-answer-r15 .panel-dialog select,#zk-answer-r15 .panel-dialog textarea{width:100%}#zk-answer-r15 .panel-dialog .zk-checked{font-weight:400}#zk-answer-r15 .fact-card,#zk-answer-r15 .issue-card,#zk-answer-r15 .source-card{border:1px solid var(--zk-line);border-radius:8px;margin:14px 0;padding:16px}#zk-answer-r15 .fact-card p{margin-bottom:8px}#zk-answer-r15 .badge{display:inline-block;border-radius:5px;padding:4px 8px;background:var(--zk-soft);font-size:13px;margin:0 6px 8px 0}#zk-answer-r15 .badge.warn{background:var(--zk-warn-bg);color:var(--zk-warn)}#zk-answer-r15 .fact-card .zk-actions{flex-wrap:wrap}#zk-answer-r15 .history-row{border-bottom:1px solid var(--zk-line);padding:14px 0}#zk-answer-r15 .exports-list{margin-top:16px}#zk-answer-r15 .exports-list article{padding:16px;border:1px solid var(--zk-line);border-radius:8px;margin:10px 0}#zk-answer-r15 .zk-work-row button{min-width:120px}#zk-answer-r15 .zk-work-row div{min-width:0;max-width:100%}#zk-answer-r15 #busy-state{display:flex;justify-content:space-between;align-items:center;gap:12px}#zk-answer-r15 h2,#zk-answer-r15 label,#zk-answer-r15 p,#zk-answer-r15 strong{overflow-wrap:anywhere}#zk-answer-r15 .panel-dialog .zk-panel-head{align-items:start;gap:16px}#zk-answer-r15 .zk-notice[data-tone=warning]{background:var(--zk-warn-bg);color:var(--zk-warn)}#zk-answer-r15 #export-error,#zk-answer-r15 #fact-error{color:var(--zk-error)}@media (min-width:1200px){#zk-answer-r15 .change-pair{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}#zk-answer-r15 .zk-main{padding:28px 36px}}@media (max-width:600px){#zk-answer-r15 .zk-shell{border-radius:0;border-left:0;border-right:0;margin-bottom:0}#zk-answer-r15 .zk-main{padding:16px}#zk-answer-r15 .zk-top{padding:10px 16px;gap:8px}#zk-answer-r15 .zk-user{font-size:12px}#zk-answer-r15 .zk-brand{font-size:19px}#zk-answer-r15 .next-step{display:block;padding:14px}#zk-answer-r15 .next-step button{width:100%;margin-top:12px}#zk-answer-r15 .zk-tools{gap:5px}#zk-answer-r15 .zk-tools button{padding:8px 10px;flex:1 1 auto}#zk-answer-r15 .zk-spacer{display:none}#zk-answer-r15 .zk-work-head>button{width:100%}#zk-answer-r15 .comparison{padding:14px}#zk-answer-r15 .panel-dialog{width:100%;height:100dvh;max-height:100dvh;margin:0;border:0;border-radius:0;padding:18px}#zk-answer-r15 .zk-panel-head{flex-wrap:wrap}#zk-answer-r15 #answer{min-height:340px}#zk-answer-r15 .zk-work-row{display:block}#zk-answer-r15 .zk-work-row button{margin-top:12px;width:100%}#zk-answer-r15 .change{padding:12px}#zk-answer-r15 .demo-area{margin:5px 0}}#zk-answer-r15 label:not(.zk-checked){display:block;margin:12px 0 7px}#zk-answer-r15 input:not([type=checkbox]),#zk-answer-r15 textarea{width:100%}#zk-answer-r15 .zk-actions{flex-wrap:wrap;gap:8px}#zk-answer-r15 .zk-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}#zk-answer-r15 h1{font-size:30px;line-height:1.25;overflow-wrap:anywhere}#zk-answer-r15 pre{max-width:100%;overflow-wrap:anywhere;white-space:pre-wrap;font-size:14px}#zk-answer-r15 dialog[open]{margin:auto}#zk-answer-r15 .panel-dialog::backdrop{background:#102d4566}#zk-answer-r15 .zk-shell{max-width:1120px}#zk-answer-r15 .zk-primary:disabled{opacity:.55}#zk-answer-r15 .zk-checked{display:flex;align-items:start;gap:10px;margin:14px 0}#zk-answer-r15 .zk-checked input{flex-shrink:0}@media (max-width:600px){#zk-answer-r15 .zk-panel-head{flex-wrap:wrap}#zk-answer-r15 h1{font-size:24px}#zk-answer-r15 .panel-dialog{width:calc(100% - 20px);padding:18px}}