@charset "UTF-8";
.demo-main{max-width:960px;margin:40px auto;padding:0 24px}.demo-search{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:24px 0}.demo-search input{flex:1;min-width:180px;padding:10px}.demo-search select,.demo-search button,.demo-result button{padding:10px;border:1px solid #b8c9bb;border-radius:6px;background:#fff}.demo-result{background:#fff;padding:20px;margin:16px 0;border:1px solid #e5e9e2;border-radius:10px}.demo-result p,.demo-main pre{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}.demo-main footer{margin-top:40px;color:#758078;font-size:12px}.demo-main h1{font-size:30px}
:root{--bg:#fafbf9;--surface:#fff;--sidebar:#f2f4f0;--line:#e5e9e2;--text:#28362f;--muted:#758078;--accent:#366e59;--accent-soft:#e8f0e9;--hover:#edf1eb;--shadow:0 8px 32px #263c2910;--danger:#a7483e;color-scheme:light;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button,a{touch-action:manipulation}button{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled{opacity:.5;cursor:wait}a{color:var(--accent)}.workspace{height:100dvh;display:grid;grid-template-columns:242px minmax(400px,1fr) 300px;overflow:hidden}.icon{width:19px;height:19px;display:inline-flex;flex:none}.icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.sidebar{background:var(--sidebar);border-right:1px solid var(--line);padding:30px 20px 0;display:flex;flex-direction:column;min-height:0}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font-size:22px;font-weight:650;letter-spacing:2px;margin-bottom:34px}.brand-mark{background:var(--accent);color:#fff;border-radius:12px;width:40px;height:40px;display:grid;place-items:center;font-size:23px;font-family:Georgia,"Microsoft YaHei",serif;font-weight:500}.brand small{display:block;font-size:8px;letter-spacing:1.5px;color:var(--muted);margin-top:4px;font-weight:500}.new-chat{height:44px;width:100%;border:1px solid #b8c9bb;border-radius:9px;background:var(--surface);display:flex;align-items:center;gap:9px;padding:0 12px;color:var(--accent);font-weight:550;box-shadow:0 2px 3px #304b3410}.new-chat:hover{background:var(--accent-soft)}.keycap{margin-left:auto;color:var(--muted);font-weight:400}.nav-label{margin:30px 8px 12px;font-size:11px;color:var(--muted);display:flex;justify-content:space-between;letter-spacing:.8px}.session-list{overflow:auto;flex:1;min-height:60px}.sidebar-empty{font-size:12px;line-height:2.1;color:var(--muted);padding:18px 8px}.sidebar-empty span{font-size:11px;opacity:.8}.session-row{display:flex;align-items:center;border-radius:8px;margin:4px 0;padding-right:6px}.session-row:hover,.session-row.active{background:var(--accent-soft)}.session-link{border:0;background:none;text-align:left;padding:11px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;font-size:12px;min-width:0}.session-delete{border:0;background:none;color:var(--muted);padding:5px;opacity:0}.session-row:hover .session-delete,.session-delete:focus-visible{opacity:1}.sidebar-bottom{margin-top:auto}.library-card{padding:16px 10px;display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);font-size:12px}.library-card>.icon{color:var(--accent)}.library-card small,.account-row small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.local-dot{width:6px;height:6px;border-radius:50%;background:#79a487;margin-left:auto}.account-row{display:flex;align-items:center;gap:10px;padding:17px 4px;border-top:1px solid var(--line);font-size:12px}.avatar{display:grid;place-items:center;background:#e0e6dd;border-radius:50%;width:30px;height:30px;color:#5c7060;font-size:12px}.account-row .icon-button{margin-left:auto}.main{display:flex;flex-direction:column;min-height:0;min-width:0;position:relative}.topbar{height:77px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 30px;border-bottom:1px solid var(--line);flex-shrink:0}.topbar-title{display:flex;align-items:center;gap:12px;font-size:12px;min-width:0}.breadcrumb{color:var(--muted);white-space:nowrap}.divider{color:#b8c2b8}.topbar-title strong{font-size:12px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:210px}.top-actions{display:flex;align-items:center;gap:15px;flex-shrink:0}.status-pill{border:1px solid var(--line);padding:6px 9px;border-radius:30px;font-size:10px;white-space:nowrap;color:var(--muted);display:flex;align-items:center;gap:6px}.status-pill i{width:5px;height:5px;background:#b5bdb5;border-radius:50%}.status-pill.ready{color:var(--accent)}.status-pill.ready i{background:var(--accent)}.icon-button{width:30px;height:30px;display:grid;place-items:center;padding:5px;background:none;border:0;border-radius:7px;color:var(--muted)}.icon-button:hover{background:var(--hover);color:var(--accent)}.sources-toggle{display:none;align-items:center;gap:6px;background:none;border:0;color:var(--muted);font-size:12px}.mobile-menu{display:none}.conversation{flex:1;min-height:0;overflow-y:auto;padding:0 30px;scroll-behavior:smooth}.welcome{max-width:780px;margin:auto;padding:clamp(40px,8vh,100px) 0 24px}.welcome-symbol{position:relative;width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:28px}.welcome-symbol>.icon{width:27px;height:27px}.spark{position:absolute;right:-7px;top:-8px;font-size:21px;color:#99ad91}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted)}h1{font-weight:500;font-size:clamp(27px,2.7vw,38px);line-height:1.6;letter-spacing:1px;margin:14px 0 16px}.welcome-description{font-size:13px;line-height:2;color:var(--muted);margin:0}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:36px}.suggestion{text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 13px 20px;position:relative;transition:transform .16s,border-color .16s;min-width:0}.suggestion:hover{transform:translateY(-3px);border-color:#91b19a;box-shadow:var(--shadow)}.suggestion-icon{display:grid;place-items:center;width:30px;height:30px;background:var(--bg);color:var(--accent);border-radius:8px;margin-bottom:17px}.suggestion strong{display:block;font-size:12px;font-weight:550;margin-bottom:9px}.suggestion>span:not(.suggestion-icon){display:block;font-size:10px;line-height:1.9;color:var(--muted);max-width:95%}.suggestion b{position:absolute;top:17px;right:14px;color:#adb7ae;font-size:15px;font-weight:400}.welcome-note{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:10px;margin-top:24px}.welcome-note>.icon{width:12px;height:12px}.messages{max-width:780px;margin:0 auto;padding:28px 0}.message{margin-bottom:28px}.message-label{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:8px;margin-bottom:10px}.message-label .mini-mark{background:var(--accent);color:white;width:23px;height:23px;border-radius:7px;display:grid;place-items:center;font-size:12px}.message.user{margin-left:15%;display:flex;flex-direction:column;align-items:flex-end}.message.user .message-label{margin-right:3px}.message.user .message-body{background:var(--accent-soft);border-radius:15px 15px 3px 15px;padding:13px 18px;max-width:100%;white-space:pre-wrap;font-size:13px;line-height:1.9}.message.assistant .message-body{padding-left:31px;font-size:13px;line-height:2;overflow-wrap:anywhere}.message-body p{margin:0 0 12px;white-space:pre-wrap}.message-body h3{font-size:15px;margin:18px 0 9px}.message-body ul{padding-left:19px;margin:8px 0 14px}.message-body li{margin:4px 0}.message-body pre{white-space:pre-wrap;background:var(--sidebar);border:1px solid var(--line);border-radius:9px;padding:13px;line-height:1.6;overflow:auto;font-size:12px}.message-body code{font-family:Consolas,monospace;background:var(--sidebar);padding:1px 4px;border-radius:3px}.citation-chip{border:0;background:var(--accent-soft);color:var(--accent);font-size:10px;padding:1px 5px;border-radius:4px;margin:0 3px;vertical-align:2px}.message-meta{margin:12px 0 0 31px;font-size:10px;color:var(--muted)}.thinking{display:inline-block;font-size:12px;color:var(--muted);padding:8px 0}.thinking:after{content:' · · ·';animation:pulse 1s ease-in-out infinite}@keyframes pulse{50%{opacity:.3}}.composer-wrap{padding:10px 30px 18px;background:var(--bg);flex-shrink:0}.composer{max-width:780px;margin:auto;padding:16px 16px 12px;background:var(--surface);border:1px solid #d8e0d5;border-radius:15px;box-shadow:0 5px 20px #283c3010}.composer:focus-within{border-color:#8baa90;box-shadow:0 0 0 3px #366e5909}.composer textarea{border:0;outline:0;background:transparent;color:var(--text);width:100%;resize:none;max-height:150px;min-height:48px;line-height:1.7;font-size:13px;padding:0}.composer textarea::placeholder{color:#959e95}.composer-toolbar{display:flex;align-items:center;gap:10px;margin-top:8px}.scope-select{display:flex;align-items:center;gap:6px;color:var(--muted);border:1px solid var(--line);padding:5px 7px;border-radius:6px}.scope-select>.icon{width:13px;height:13px}.scope-select select{font-size:10px;border:0;outline:none;background:var(--surface);color:var(--text);max-width:160px}.composer-hint{margin-left:auto;font-size:9px;color:#99a198}.send{width:33px;height:33px;border:0;border-radius:9px;background:var(--accent);color:#fff;display:grid;place-items:center;flex-shrink:0}.send:hover{filter:brightness(1.1)}.send.busy{background:#8d6a53}.composer-footnote{max-width:780px;margin:11px auto 0;display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:9px}.notice{max-width:780px;margin:0 auto 9px;color:var(--danger);font-size:12px;line-height:1.6}.source-panel{background:var(--surface);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.source-heading{height:77px;display:flex;align-items:center;padding:0 23px;gap:9px;border-bottom:1px solid var(--line);color:var(--muted);flex-shrink:0}.source-heading strong{font-size:12px;font-weight:550;color:var(--text)}.count{background:var(--sidebar);font-size:10px;min-width:19px;padding:2px 5px;text-align:center;border-radius:5px}.source-body{flex:1;min-height:0;overflow:auto;padding:20px}.source-empty{padding-top:100px;text-align:center}.empty-document{border:1px solid var(--line);border-radius:12px;background:var(--bg);width:54px;height:64px;display:grid;place-items:center;margin:0 auto 21px;transform:rotate(-5deg);box-shadow:5px 5px 0 var(--sidebar)}.empty-document .icon{width:28px;height:28px;color:#a8b6a8}.source-empty h2{font-size:12px;font-weight:500;margin:0 0 12px}.source-empty p{font-size:10px;line-height:2.1;color:var(--muted)}.source-placeholder{border:1px dashed var(--line);margin:28px 12px 0;border-radius:9px;padding:20px}.source-placeholder i{display:block;height:5px;background:var(--sidebar);border-radius:2px;margin:7px 0}.source-placeholder i:first-child{width:45%}.source-placeholder i:last-child{width:70%}.source-footer{padding:17px 20px;border-top:1px solid var(--line);font-size:9px;color:var(--muted);display:flex;align-items:center;gap:7px}.source-footer .icon{width:12px;height:12px}.source-card{padding:15px 13px;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;background:var(--bg)}.source-card-header{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:var(--muted);margin-bottom:10px}.source-number{color:var(--accent);background:var(--accent-soft);padding:3px 6px;border-radius:4px}.source-card h3{font-size:12px;font-weight:550;line-height:1.8;margin:0 0 9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.source-card p{font-size:11px;line-height:1.9;color:var(--muted);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.source-open{border:0;background:none;color:var(--accent);padding:0;font-size:10px;display:flex;align-items:center;gap:5px}.source-open:hover{text-decoration:underline}.source-close{display:none;margin-left:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}dialog{border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--text);box-shadow:0 30px 90px #0002}dialog::backdrop{background:#283a3044;backdrop-filter:blur(7px)}.login-dialog{width:min(430px,calc(100vw - 36px));padding:37px}.login-mark{margin-bottom:26px}.login-dialog h2{font-size:24px;font-weight:500;margin:13px 0}.login-dialog p{font-size:12px;line-height:1.9;color:var(--muted)}.login-dialog label{display:block;font-size:11px;margin:25px 0 9px}.login-dialog input{width:100%;height:45px;padding:0 13px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);outline-color:var(--accent)}.login-submit{display:flex;justify-content:space-between;width:100%;padding:13px 15px;border:0;border-radius:8px;background:var(--accent);color:white;margin:10px 0 19px;font-size:13px}.login-dialog small{color:var(--muted);font-size:10px}.login-error{color:var(--danger);font-size:11px;min-height:20px;padding-top:6px}.citation-dialog{width:min(760px,calc(100vw - 32px));max-height:85dvh;padding:25px}.citation-header{display:flex;align-items:center;gap:16px;justify-content:space-between}.citation-header strong{font-size:16px;line-height:1.6;overflow-wrap:anywhere}.citation-location{font-size:11px;color:var(--muted);margin:8px 0 20px}.citation-dialog pre{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/2 "Segoe UI","Microsoft YaHei",sans-serif;max-height:52dvh;overflow:auto;border:1px solid var(--line);padding:20px;border-radius:9px;background:var(--bg)}.download-link{font-size:12px;cursor:pointer;text-decoration:none;display:inline-block;padding:10px 0}.download-link:hover{text-decoration:underline}[hidden]{display:none!important}
[data-theme="dark"]{--bg:#18221d;--surface:#1e2a23;--sidebar:#141e18;--line:#304035;--text:#dae5dc;--muted:#9aa99d;--accent:#9bc5a6;--accent-soft:#2a3d30;--hover:#283a2d;--shadow:0 8px 32px #0003;--danger:#e4aaa0;color-scheme:dark}[data-theme="dark"] .brand-mark,[data-theme="dark"] .mini-mark,[data-theme="dark"] .send,[data-theme="dark"] .login-submit{background:#547e60;color:#fff}[data-theme="dark"] .composer{border-color:var(--line)}[data-theme="dark"] .avatar{background:#304234;color:var(--text)}
@media(min-width:1550px){.workspace{grid-template-columns:260px minmax(500px,1fr) 330px}.topbar,.conversation{padding-left:44px;padding-right:44px}.composer-wrap{padding-left:44px;padding-right:44px}.welcome{padding-top:11vh}}
@media(max-width:1190px){.workspace{grid-template-columns:218px minmax(360px,1fr)}.source-panel{display:none}.source-panel.open{display:flex;position:fixed;z-index:15;right:0;top:0;bottom:0;width:310px;box-shadow:-10px 0 30px #0001}.sources-toggle{display:flex}.source-close{display:grid}.topbar,.conversation{padding-left:25px;padding-right:25px}.composer-wrap{padding-left:25px;padding-right:25px}.sidebar{padding-left:14px;padding-right:14px}.welcome{padding-top:8vh}}
@media(max-width:720px){.workspace{display:flex}.sidebar{display:none}.sidebar.open{display:flex;position:fixed;z-index:20;left:0;top:0;bottom:0;width:245px;box-shadow:10px 0 30px #0002}.main{width:100%}.mobile-menu{display:grid}.topbar{height:62px;padding:0 15px}.topbar-title{gap:8px}.breadcrumb,.divider{display:none}.top-actions{gap:5px}.status-pill{font-size:9px;padding:5px 7px}.conversation{padding:0 20px}.welcome{padding-top:38px}.welcome-symbol{margin-bottom:20px}h1{font-size:29px}.welcome-description{font-size:12px}.suggestions{gap:8px;margin-top:26px}.suggestion{padding:12px 10px 15px}.suggestion>span:not(.suggestion-icon){font-size:9px}.suggestion strong{font-size:11px}.suggestion-icon{margin-bottom:12px}.suggestion b{display:none}.composer-wrap{padding:9px 14px 15px}.composer{padding:13px 12px 10px}.composer-hint{display:none}.send{margin-left:auto}.composer-footnote{font-size:8px;line-height:1.6}.composer-footnote>span{display:none}.welcome-note{font-size:9px}.message.assistant .message-body{padding-left:0}.message-meta{margin-left:0}.source-panel.open{width:min(320px,94vw)}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}