:root{color-scheme:light;--paper:hsl(45 33% 94%);--card:hsl(45 36% 97%);--ink:hsl(30 14% 15%);--muted:hsl(32 10% 42%);--red:hsl(5 65% 36%);--line:hsl(38 18% 80%);--soft:hsl(42 26% 88%);--serif:"Songti SC","STSong","Noto Serif SC",SimSun,serif;--sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 var(--sans)}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--red);outline-offset:4px}button:disabled{cursor:not-allowed;opacity:.45}[hidden]{display:none!important}.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}.sidebar{position:fixed;inset:0 auto 0 0;width:244px;padding:31px 23px 20px;background:#eae5d9;border-right:1px solid var(--line);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-size:23px;letter-spacing:2px;line-height:1.5}.brand-seal{background:var(--red);color:var(--card);font-size:30px;line-height:49px;text-align:center;width:48px;height:49px;border-radius:3px;box-shadow:inset 0 0 0 3px #eae5d9,inset 0 0 0 4px var(--red);letter-spacing:0}.brand small{display:block;font:10px var(--sans);letter-spacing:3px;color:var(--muted);margin-top:3px}.new-chat{display:flex;gap:8px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px 13px;color:var(--ink);margin:33px 0 32px;font-size:14px;box-shadow:0 2px 3px #34261404}.new-chat:hover{border-color:var(--red);color:var(--red)}.new-chat>span:first-child{font-size:21px;font-weight:300}.shortcut{margin-left:auto;color:var(--muted)}.sidebar-links{margin-top:auto;padding-top:40px;display:grid;gap:9px;font-size:12px;color:var(--muted)}.sidebar-links a{display:flex;justify-content:space-between}.sidebar-links a:hover{color:var(--red)}.sidebar-foot{font-size:8px;letter-spacing:1.6px;border-top:1px solid #d2cbbd;padding-top:17px;margin:23px 0 0;color:#8a8173}.workspace{margin-left:244px;min-height:100dvh;display:flex;flex-direction:column}.topbar{height:73px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid #d5cebf80;gap:18px}.page-title{font:21px var(--serif);letter-spacing:2px;white-space:nowrap}.page-title>span{font:11px var(--sans);color:var(--muted);letter-spacing:1px;margin-left:12px;padding-left:13px;border-left:1px solid var(--line)}.topbar-actions{display:flex;align-items:center;gap:10px}.connection{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:7px}.connection i{display:block;width:5px;height:5px;background:#ac9977;border-radius:100%}.connection.ready i{background:#62826c}.icon-button{width:31px;height:31px;padding:0;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--ink);font-size:20px}.mobile-brand,#mobile-new-chat{display:none}.chat-main{width:100%;flex:1}.intro{max-width:820px;margin:0 auto;padding:70px 34px 45px;text-align:center}.intro-mark{display:inline-grid;place-items:center;width:45px;height:45px;color:var(--red);border:1px solid #a64a3e60;border-radius:100%;font:26px var(--serif);margin-bottom:13px}h1{font-family:var(--serif);font-size:clamp(25px,2.8vw,35px);font-weight:500;letter-spacing:1px;line-height:1.5;margin:0 0 17px}.intro-description{font-size:13px;line-height:2;color:var(--muted);margin:0}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;text-align:left}.suggestions button{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;min-height:97px;background:var(--card);border:1px solid #d5cebf;border-radius:9px;padding:15px;color:#514b40;line-height:1.7;font-size:12px;text-align:left;transition:border-color .15s,transform .15s}.suggestions button span{align-self:flex-end;color:#9c8d75;font-size:15px;margin-top:4px}.suggestions button:hover{border-color:var(--red);transform:translateY(-2px)}.setup-notice{color:#8c7960;font-size:11px;line-height:1.8;margin:22px 0 3px}.text-button{border:0;background:transparent;color:var(--red);font-size:11px;padding:7px 4px}.text-button:hover{text-decoration:underline}.composer-area{position:sticky;bottom:0;width:100%;background:linear-gradient(0deg,var(--paper) 92%,transparent);padding:14px 34px 17px;z-index:5}.composer-wrap{max-width:800px;margin:0 auto}.composer{background:var(--card);border:1px solid #c9c0ad;border-radius:13px;box-shadow:0 6px 25px #40331f06;overflow:hidden}.composer:focus-within{border-color:#a98073;box-shadow:0 0 0 2px #9e302105}.composer textarea{width:100%;resize:none;border:0;outline:none!important;padding:18px 20px 2px;background:transparent;line-height:1.7;min-height:78px;max-height:200px;color:var(--ink);font-size:14px}.composer textarea::placeholder{color:#9a9182}.composer-controls{display:flex;align-items:center;gap:12px;padding:8px 12px 12px 20px}.composer-caption{color:#a0937d;font-size:10px;letter-spacing:1px}.character-count{margin-left:auto;font-size:10px;color:#a79e8d;font-variant-numeric:tabular-nums}.send-button{display:grid;place-items:center;width:34px;height:34px;border:0;background:var(--red);border-radius:8px;color:var(--card)}.send-button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.stop-button{font-size:12px;padding:5px 12px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--muted)}.composer-help{display:flex;justify-content:space-between;font-size:9px;color:#978c79;margin:9px 2px 0;gap:12px}.privacy-notice{font-size:9px;line-height:1.8;color:#9b907e;text-align:center;margin:6px 0 0}.access-row{border-top:1px solid #ded8ca;padding:9px 20px;display:flex;align-items:center;gap:12px;font-size:11px;color:var(--muted)}.access-row input{width:min(300px,100%);background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:4px 7px;color:var(--ink);font-size:11px}.demo-notice{border:1px solid #c39c63;background:#f7e9d1;color:#835c21;text-align:center;font-size:11px;padding:6px 12px;border-radius:6px;margin:0 0 8px}.conversation{max-width:800px;margin:0 auto;padding:30px 0 10px}.round{margin:0 0 38px;scroll-margin-top:20px}.user-message{margin:0 0 23px 15%;padding:14px 20px;border:1px solid #d9cfbd;border-radius:14px 14px 3px 14px;background:#eae3d4;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere}.council-label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:11px;margin-bottom:12px}.small-seal{background:var(--red);color:var(--card);font:15px var(--serif);width:25px;height:25px;display:grid;place-items:center;border-radius:4px}.progress-box{border:1px solid #d9d1c1;border-radius:9px;padding:16px 18px;background:#f6f3ec}.phase-label{font-size:12px;color:#645b4a;margin:0 0 12px}.result-area{margin-top:16px}.assistant-box{padding:0 4px}.answer-content{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.95}.assistant-actions{display:flex;justify-content:flex-end;margin-top:15px}.copy-button{border:1px solid var(--line);border-radius:5px;background:transparent;padding:4px 10px;color:var(--muted);font-size:11px}.result-note{font-size:10px;color:var(--muted);margin:10px 0 0}.message-note{font-size:12px;padding:12px 15px;border-radius:7px;background:#eee5d4;color:#836b43;line-height:1.9}.message-error{color:#9b493b;background:#f2e6dc}.round-demo{font-size:11px;color:#8a6126;background:#f7e9d1;border:1px solid #d8b47c;border-radius:6px;padding:6px 11px;margin-bottom:12px}.streaming .phase-label::after{content:"";display:inline-block;width:5px;height:5px;margin:0 0 2px 8px;background:var(--red);border-radius:100%;animation:breathe 1.4s infinite}@keyframes breathe{50%{opacity:.2}}@media(min-width:1450px){.intro{padding-top:100px}.composer-area{padding-bottom:25px}}@media(max-width:1100px){.sidebar{width:211px;padding:27px 19px 17px}.workspace{margin-left:211px}.topbar{padding:0 26px}.conversation{padding-left:27px;padding-right:27px}.intro{padding-top:55px}.composer-area{padding-left:27px;padding-right:27px}.suggestions{gap:7px}.suggestions button{padding:12px;font-size:11px}}@media(max-width:760px){.mobile-brand{display:inline-flex;align-items:center;gap:4px;white-space:nowrap;color:var(--muted);font-size:10px}.mobile-brand::before{content:"←"}.page-title>span{display:none}.sidebar{display:none}.workspace{margin-left:0}.topbar{height:59px;padding:0 18px;gap:9px}.page-title{font-size:19px}.page-title>span{font-size:10px;letter-spacing:0;margin-left:9px;padding-left:9px}.connection{font-size:9px;gap:5px}#mobile-new-chat{display:block}.intro{padding:39px 23px 25px}.intro-mark{width:38px;height:38px;font-size:23px}h1{font-size:26px;letter-spacing:0;margin-bottom:15px}.intro-description{font-size:12px;line-height:1.9}.suggestions{grid-template-columns:1fr;gap:7px}.suggestions button{min-height:auto;flex-direction:row;align-items:center;padding:10px 13px;font-size:12px}.suggestions button span{margin:0}.setup-notice{font-size:10px;line-height:1.8;margin-top:15px}.composer-area{padding:10px 13px max(11px,env(safe-area-inset-bottom))}.composer textarea{font-size:16px;padding:13px 14px 0;min-height:70px}.composer-controls{padding:7px 10px 10px 14px;gap:8px}.composer-caption{font-size:9px;letter-spacing:0}.composer-help{font-size:8px}.privacy-notice{font-size:8px;line-height:1.6;margin-top:5px}.conversation{padding:24px 17px 5px}.user-message{margin-left:10%;font-size:14px;padding:12px 15px}.assistant-box{padding:0 4px}.answer-content{font-size:14px}.progress-box{padding:13px}.access-row{padding:8px 14px}.access-row input{font-size:16px}.desktop-break{display:none}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:root .suggestions{margin-top:32px}.progress-box .phase-label{margin:0}
.file-image-preview{width:42px;height:42px;object-fit:contain;border-radius:5px;background:#fff;border:1px solid var(--line);flex-shrink:0}.sent-image-preview{display:block;width:min(180px,100%);height:130px;object-fit:contain;background:var(--card);border-radius:5px;margin-bottom:6px}.sent-file:has(.sent-image-preview){padding:7px}
.attach-button{display:inline-flex;align-items:center;gap:7px;border:0;border-radius:6px;background:transparent;color:var(--muted);padding:6px 7px 6px 0;font-size:12px;white-space:nowrap}.attach-button:hover{color:var(--red)}.attach-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.attachments{display:flex;flex-wrap:wrap;gap:8px;padding:13px 16px 0}.file-chip{display:inline-flex;align-items:center;gap:8px;max-width:100%;padding:6px 8px 6px 10px;border:1px solid var(--line);border-radius:8px;background:var(--paper);font-size:12px;line-height:1.6}.file-chip-icon{color:var(--red);font-size:15px}.file-chip-name{min-width:0;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-remove{flex-shrink:0;display:grid;place-items:center;width:26px;height:26px;border:0;border-radius:5px;background:transparent;color:var(--muted);font-size:19px;line-height:1}.file-remove:hover{background:var(--soft);color:var(--red)}.file-chip-status{color:var(--muted);font-size:10px;white-space:nowrap}.is-pending .file-chip-icon{animation:breathe 1.4s infinite}.attachment-status{margin:7px 3px 0;font-size:11px;line-height:1.7;color:var(--muted)}.attachment-status.is-error{color:var(--red)}.sent-attachments{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px;margin:-13px 0 23px 15%}.sent-file{max-width:100%;border:1px solid var(--line);border-radius:7px;padding:5px 9px;font-size:11px;color:var(--muted);overflow-wrap:anywhere}@media(max-width:760px){.attachments{padding:10px 12px 0;gap:6px}.file-chip{font-size:11px;padding:4px 6px 4px 8px}.file-chip-name{max-width:180px}.file-remove{width:30px;height:30px}.attach-button{min-height:34px;font-size:12px;gap:5px}.attachment-status{font-size:10px}.sent-attachments{margin-left:10%}}