@charset "UTF-8";
:root{color-scheme:dark;--bg:#0b141b;--panel:#101e28;--panel2:#142530;--line:#233540;--text:#e8eff2;--muted:#8b9ca7;--cyan:#6be0e2;--green:#71ddb4;--orange:#f4b375;--purple:#b5a1ed;font-family:"Segoe UI","Microsoft YaHei",sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,a,input,textarea,select{outline-offset:4px}a{color:inherit;text-decoration:none}button{color:inherit}button:disabled{opacity:.5;cursor:wait}button{transition:background .18s,border-color .18s,color .18s}button:hover{border-color:var(--cyan)!important}a:hover{color:var(--cyan)}.app-shell{display:flex;min-height:100vh}.sidebar{width:236px;flex-shrink:0;border-right:1px solid var(--line);background:#0d1922;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:32px 22px;z-index:5}.brand{display:flex;gap:13px;align-items:center;font-size:23px;font-weight:650;letter-spacing:2px}.brand small{display:block;font-size:8px;color:#99b0bd;letter-spacing:1.2px;margin-top:7px;font-weight:400}.brand-mark{display:grid;place-items:center;background:#1f3a43;color:var(--cyan);width:39px;height:44px;border:1px solid #477078;border-radius:9px;font-size:22px}.workspace-label{font-size:11px;letter-spacing:1.4px;color:#738b9a;margin:46px 0 18px 9px}nav{display:grid;gap:9px}.nav-item{border:1px solid transparent;border-radius:7px;display:flex;align-items:center;gap:13px;background:transparent;padding:14px 11px;text-align:left;color:#9aadba}.nav-item>span{font-size:21px;width:20px}.nav-item small{margin-left:auto;font-size:10px;color:#607b8c}.nav-item.active{color:#a9eef0;border-color:#2d515d;background:#17313c}.nav-item.active small{color:var(--cyan)}.sidebar-case{margin-top:43px;padding:19px 14px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(140deg,#152a35,#0e1b24)}.eyebrow{font-size:10px;letter-spacing:1.7px;color:var(--cyan);font-weight:600}.sidebar-case .eyebrow{font-size:8px;letter-spacing:1.2px;color:#7897a9}.sidebar-case strong{display:block;margin-top:12px;font-size:14px;font-weight:500}.sidebar-case p{font-size:11px;color:var(--muted);line-height:1.9}.tag{display:inline-block;font-size:10px;letter-spacing:.4px;color:#9bb4c1;border:1px solid #34505e;border-radius:4px;padding:4px 7px;white-space:nowrap}.sidebar-bottom{margin-top:auto;padding:28px 5px 0;display:grid;gap:18px;font-size:12px;color:#99aebc}.sidebar-bottom>span{font-size:10px;color:#5f7b8b}.subtle-button{padding:0;border:0;background:transparent;text-align:left;color:inherit}.main-shell{width:calc(100% - 236px);margin-left:236px;min-width:0}.topbar{height:76px;padding:0 36px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);font-size:12px;color:#a3b7c4;gap:12px}.online-dot,.mini-dot{display:inline-block;width:6px;height:6px;background:var(--green);border-radius:50%;margin-right:7px}.divider{margin:0 13px;color:#3b5665}.topbar-right{display:flex;align-items:center;gap:15px}.mode-badge{padding:7px 10px;border:1px solid #574833;border-radius:5px;font-size:10px;color:var(--orange);background:#2c251e}.mode-badge.ai{color:var(--green);border-color:#2f5d50;background:#19372d}.icon-button{border:0;background:transparent;color:#8ea6b6;font-size:19px}main{padding:36px;max-width:1680px;margin:auto;min-height:calc(100vh - 133px)}.view{display:none}.view.active{display:block}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:2px 0 29px}.page-heading h1{font-size:clamp(23px,2.1vw,34px);font-weight:550;letter-spacing:1px;margin:14px 0 13px;line-height:1.4}.page-heading h1 em{font-style:normal;color:var(--cyan)}.page-heading p{color:var(--muted);font-size:12px;line-height:1.8;margin:0}.heading-stamp{display:flex;gap:12px;align-items:center;padding:12px 0 12px 25px;border-left:1px solid var(--line);flex-shrink:0}.heading-stamp strong{font-size:37px;color:#b1c7d1;font-weight:300}.heading-stamp span{font-size:10px;line-height:1.9;color:var(--muted)}.chat-layout{display:grid;grid-template-columns:minmax(0,1fr) 282px;gap:24px}.chat-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;min-width:0;overflow:hidden}.panel-heading{padding:19px 21px;display:flex;justify-content:space-between;align-items:center;font-size:12px;gap:12px;border-bottom:1px solid var(--line);color:#c0d3dd;letter-spacing:.5px}.tiny-square{display:inline-block;width:7px;height:7px;border:1px solid var(--cyan);margin-right:9px}.text-button{border:0;background:transparent;color:#7892a3;font-size:10px;padding:2px}.messages{height:464px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#34505e transparent;padding:24px}.welcome{padding:14px 0 0;text-align:center;max-width:520px;margin:auto}.assistant-symbol{width:46px;height:46px;margin:auto;display:grid;place-items:center;font-size:32px;color:var(--cyan);border:1px solid #335260;background:#172f3a;border-radius:13px}.welcome h2{font-size:21px;font-weight:500;margin:17px 0 9px}.welcome>p{color:var(--muted);font-size:12px;line-height:1.9;margin:0}.suggestions{display:grid;gap:9px;margin:24px auto 0;max-width:440px}.suggestions button{display:flex;gap:15px;align-items:center;background:#122631;border:1px solid #29404e;border-radius:7px;padding:12px 14px;text-align:left}.suggestions button>span{font-size:10px;color:var(--cyan);font-family:monospace}.suggestions button>div{font-size:12px;flex:1}.suggestions small{display:block;color:#7893a2;font-size:10px;margin-top:6px}.suggestions b{font-weight:400;color:#6f8fa0}.composer{margin:0 20px;border:1px solid #395a68;border-radius:9px;background:#0d1b24;overflow:hidden}.composer:focus-within{border-color:var(--cyan)}.composer textarea{resize:none;width:100%;border:0;background:transparent;color:var(--text);padding:16px 16px 4px;line-height:1.6;outline:none;font-size:12px}.composer textarea::placeholder{color:#6e8798}.composer-toolbar{display:flex;align-items:center;justify-content:space-between;padding:10px 12px 11px;gap:8px}.composer-toolbar>span{font-size:9px;color:#859fae}.composer-toolbar b{margin:0 5px;font-weight:400}.composer-toolbar button,.primary-button{border:1px solid #73d9dc;background:var(--cyan);color:#103039;border-radius:5px;padding:9px 14px;font-size:12px;display:inline-flex;align-items:center;justify-content:center;gap:13px}.composer-toolbar button span{font-size:17px}.mode-note{text-align:center;padding:11px 12px 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var(--line)}.legend-a{color:var(--cyan)}.legend-b{color:var(--green)}.simulation-result{padding:24px}.simulation-result h2{font-size:23px;font-weight:500;margin:15px 0;color:var(--cyan)}.simulation-result>p{font-size:12px;line-height:1.9;color:var(--muted)}.metric-row{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}.metric-row strong{font-size:12px;color:#cbdee8;font-weight:400}.calculation{margin:20px 0;padding:14px;background:#0c1a23;border-radius:5px;color:#809dac;font-size:10px;line-height:1.9}.calculation p{margin-bottom:0;color:#b9d2df;font-family:monospace}.simulation-result>.primary-button{margin-top:22px;width:100%}.source-banner{margin-top:23px;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:24px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}.source-banner h3{font-weight:400;font-size:15px;line-height:1.8;margin:12px 0}.source-banner p{font-size:11px;line-height:1.8;color:var(--muted)}.source-banner img{width:180px;height:110px;object-fit:contain;background:#d9e3e9;border-radius:4px}.video-card{border:1px solid #2f4c5c;padding:7px;border-radius:10px;background:#10222d}.video-card video{display:block;width:100%;aspect-ratio:16/9;background:#081017;border-radius:6px}.video-chapters{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}.video-chapters button{display:grid;grid-template-columns:24px 1fr;text-align:left;gap:10px;border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:16px 12px}.video-chapters b{font-size:10px;color:var(--cyan);font-weight:400}.video-chapters strong{font-size:11px;font-weight:400}.video-chapters small{grid-column:2;color:var(--muted);font-size:10px}.content-note{display:flex;align-items:center;justify-content:space-between;gap:24px}.content-note p{color:var(--muted);font-size:11px;line-height:1.9;max-width:720px}.content-note a{white-space:nowrap}.search-field{display:flex;align-items:center;gap:10px;border:1px solid #35515f;background:#10212c;padding:11px 15px;border-radius:6px;max-width:500px;margin-bottom:24px}.search-field span{font-size:21px;color:#85a6b8}.search-field input{background:transparent;border:0;outline:none;color:var(--text);width:100%;font-size:12px}.knowledge-layout{display:grid;grid-template-columns:285px minmax(0,1fr);gap:22px}.page-list{max-height:650px;overflow:auto;scrollbar-width:thin}.page-list button{width:100%;display:flex;gap:12px;text-align:left;line-height:1.7;padding:13px 10px;border:1px solid transparent;background:transparent;border-radius:5px;font-size:11px;color:#93acbc;margin-bottom:4px}.page-list button span{font-family:monospace;color:#638291;font-size:10px}.page-list button.active{background:#183541;border-color:#375e6c;color:var(--cyan)}.page-list .no-results{color:var(--muted);font-size:12px;padding:16px}.document-panel{padding:26px;border:1px solid var(--line);border-radius:8px;background:var(--panel);min-width:0}.document-meta{display:flex;gap:14px;align-items:center;color:#6e8d9f;font-size:10px}.document-panel h2{font-size:20px;font-weight:450;line-height:1.8;margin:22px 0;color:#cce6ef}.document-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;line-height:2;color:#aabfcb;max-height:530px;overflow:auto;scrollbar-width:thin}.document-links{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0;font-size:10px;color:var(--cyan)}.document-links a{border-bottom:1px solid #36606d;padding-bottom:5px}.knowledge-layout+.boundary{margin-top:20px}footer{display:flex;justify-content:space-between;gap:18px;border-top:1px solid #1e303c;padding:20px 36px;color:#617e8f;font-size:9px}footer b{font-weight:400;margin:0 7px}dialog{background:#11232e;color:var(--text);border:1px solid #486775;border-radius:12px;max-width:480px;width:calc(100% - 36px);padding:30px}dialog::backdrop{background:#000a;backdrop-filter:blur(5px)}dialog h2{font-size:22px;font-weight:500}dialog>p{line-height:1.9;font-size:12px;color:var(--muted)}.dialog-close{float:right;border:0;background:transparent;font-size:27px;color:#a1bfcd}dialog input{width:100%;background:#0b1923;border:1px solid #385c6e;color:var(--text);padding:13px;border-radius:5px;margin:12px 0}dialog>.primary-button{width:100%;margin-bottom:14px}#toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#224957;border:1px solid #558c9d;padding:12px 20px;border-radius:7px;font-size:12px;box-shadow:0 10px 40px #0006;z-index:20;display:none;max-width:90%;line-height:1.8}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1500px){.messages{height:510px}.chat-layout{grid-template-columns:minmax(0,1fr) 310px}.welcome{padding-top:35px}}@media(max-width:1150px){.sidebar{width:200px;padding:27px 15px}.main-shell{width:calc(100% - 200px);margin-left:200px}.brand{font-size:21px;gap:9px}.brand small{font-size:7px}.chat-layout{grid-template-columns:minmax(0,1fr) 240px;gap:15px}main{padding:26px}.topbar{padding:0 26px}.heading-stamp{display:none}.simulation-layout{grid-template-columns:1fr}.simulation-result{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.simulation-result>.eyebrow,.simulation-result>h2,.simulation-result>#simulation-reason{grid-column:1/-1}.simulation-result .boundary{margin-top:10px}.video-chapters{grid-template-columns:1fr 1fr}.knowledge-layout{grid-template-columns:220px minmax(0,1fr)}}
@media(max-width:900px){.sidebar{position:static;width:auto;padding:18px 23px;border-right:0;border-bottom:1px solid var(--line)}.app-shell{display:block}.sidebar .brand{font-size:21px}.brand-mark{width:31px;height:36px;font-size:18px}.brand small{display:none}.sidebar nav{display:flex;gap:6px;margin-top:18px}.nav-item{padding:10px 12px;flex:1;justify-content:center;font-size:12px;gap:8px}.nav-item small,.workspace-label,.sidebar-case,.sidebar-bottom{display:none}.nav-item>span{font-size:17px;width:auto}.main-shell{width:100%;margin-left:0}.topbar{height:57px;padding:0 25px}main{padding:25px}.page-heading h1{font-size:27px}.chat-layout{grid-template-columns:minmax(0,1fr) 250px}.messages{height:475px}.context-card .small-label{font-size:9px}.topbar-right{gap:8px}.knowledge-layout{grid-template-columns:220px minmax(0,1fr)}.source-banner h3{font-size:13px}}
@media(max-width:650px){.sidebar{padding:17px 16px 12px}.sidebar nav{gap:3px;margin-top:17px}.nav-item{font-size:10px;padding:9px 3px;border-radius:5px;gap:5px;white-space:nowrap}.nav-item>span{font-size:15px}.topbar{padding:0 17px;font-size:10px;height:54px}.divider{margin:0 6px}.mode-badge{font-size:9px;padding:6px}.icon-button{font-size:17px}main{padding:23px 16px}.page-heading{display:block;margin:0 0 23px}.page-heading .eyebrow{font-size:9px;letter-spacing:1.3px}.page-heading h1{font-size:24px;letter-spacing:0;margin:12px 0 10px}.page-heading p{font-size:11px;line-height:1.9}.page-heading>.tag,.page-heading>.primary-button{margin-top:15px}.chat-layout{display:flex;flex-direction:column;gap:18px}.panel-heading{padding:16px}.messages{height:452px;padding:20px 16px}.welcome{padding-top:11px}.welcome h2{font-size:20px}.welcome>p{font-size:11px}.suggestions{margin-top:23px;gap:9px}.suggestions button{padding:12px 11px;gap:12px}.suggestions button>div{font-size:11px}.suggestions small{font-size:9px}.composer{margin:0 12px}.composer textarea{padding:14px 12px 3px;font-size:12px}.composer-toolbar>span{font-size:8px}.composer-toolbar button{padding:7px 11px;font-size:11px;gap:10px}.composer-toolbar{padding:9px}.mode-note{font-size:9px}.context-column{display:grid;grid-template-columns:1fr;gap:15px}.context-card .panel-heading{padding:15px}.mini-map{max-width:320px;margin:auto}.material-card{padding-top:18px}.context-column>.boundary{grid-column:1/-1}.scenario-pills{gap:7px}.scenario-pills button{font-size:10px;padding:8px 10px}.large-map-panel .panel-heading{font-size:10px;flex-wrap:wrap}.large-map-panel .tag{font-size:9px}.network-labels{font-size:16px}.network-labels text:nth-child(n+7){font-size:15px}.map-legend{padding:12px;gap:12px;font-size:9px}.simulation-result{display:block;padding:22px}.simulation-result .boundary{margin-top:20px}.source-banner{padding:18px;gap:16px;flex-direction:column;align-items:flex-start}.source-banner img{width:100%;height:170px}.source-banner a{width:100%}.video-chapters{gap:8px;margin:15px 0}.video-chapters button{padding:13px 10px;gap:6px;grid-template-columns:19px 1fr}.video-chapters strong{font-size:10px}.content-note{display:block}.content-note .wide-button{display:inline-flex;margin-top:8px}.knowledge-layout{display:block}.page-list{display:flex;max-height:130px;overflow:auto;border:1px solid var(--line);border-radius:6px;padding:6px;margin-bottom:17px;gap:5px}.page-list button{flex:0 0 190px;align-items:center;margin:0;padding:8px;font-size:10px}.document-panel{padding:20px}.document-panel h2{font-size:17px}.document-text{font-size:11px;max-height:600px}.document-meta{font-size:9px;gap:9px}.search-field{margin-bottom:16px}footer{display:block;padding:18px 16px;font-size:9px;line-height:2}footer>span{display:block}.message-content{font-size:12px}.message{gap:8px}.message-avatar{width:25px;height:25px;font-size:15px}dialog{padding:23px}}