@keyframes aui-pulse{50%{opacity:.5}}:where(.aui-md[data-status=running]):empty:after,:where(.aui-md[data-status=running])>:where(:not(ol):not(ul):not(pre)):last-child:after,:where(.aui-md[data-status=running])>pre:last-child code:after,:where(.aui-md[data-status=running])>:where(:is(ol,ul):last-child)>:where(li:last-child:not(:has(*>li))):after,:where(.aui-md[data-status=running])>:where(:is(ol,ul):last-child)>:where(li:last-child)>:where(:is(ol,ul):last-child)>:where(li:last-child:not(:has(*>li))):after,:where(.aui-md[data-status=running])>:where(:is(ol,ul):last-child)>:where(li:last-child)>:where(:is(ol,ul):last-child)>:where(li:last-child)>:where(:is(ol,ul):last-child)>:where(li:last-child):after{animation:aui-pulse 2s cubic-bezier(.4,0,.6,1) infinite;font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";--aui-content: "●";content:var(--aui-content);margin-left:.25rem;margin-right:.25rem}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}@supports (height: 100dvh){html,body,#root{height:100dvh}}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif;background:#f7f8fa;color:#1f2329;overflow:hidden;-webkit-tap-highlight-color:transparent}:root{--thread-content-width: 794px;--thread-left-ratio: .4;--bg-app: #f7f8fa;--bg-surface: #ffffff;--bg-user-bubble: #f2f3f5;--bg-hover: #f5f6f8;--text-primary: #1f2329;--text-secondary: #646a73;--text-tertiary: #9aa1ab;--border: #eceef1;--primary: #1f2329;--primary-hover: #000000;--primary-soft: #ececef;--accent-blue: #2f7bff;--danger: #e5484d;--shadow-card: 0 1px 3px rgba(0, 0, 0, .06);--ring-focus: 0 0 0 3px rgba(37, 99, 235, .12);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px}button{font-family:inherit}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.sidebar-logout{margin-left:auto;border:0;background:transparent;color:var(--text-tertiary);font-size:13px;cursor:pointer;padding:4px 5px;border-radius:5px}.sidebar-logout:hover{color:var(--danger);background:#f2f2f4}.auth-page{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px;background:#f7f8fa;color:var(--text-primary)}.auth-panel{width:min(100%,420px);padding:38px 36px 30px;background:#fff;border:1px solid #eceef1;border-radius:16px;box-shadow:0 18px 50px #1b1d2312}.auth-mark{width:56px;height:56px;object-fit:contain;border-radius:13px}.auth-eyebrow{margin:20px 0 7px;color:#8b9099;font-size:13px;letter-spacing:.04em}.auth-panel h1{margin:0;font-size:28px;line-height:1.35;letter-spacing:0}.auth-subtitle{margin:10px 0 26px;color:var(--text-secondary);font-size:14px;line-height:1.75}.auth-notice{margin:-12px 0 20px;padding:9px 11px;border:1px solid #f0dfb8;border-radius:7px;background:#fffaf0;color:#8a6116;font-size:13px;line-height:1.5}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-form label{display:flex;flex-direction:column;gap:7px;color:#4f545d;font-size:14px;font-weight:550}.auth-form label em{margin-left:5px;color:var(--text-tertiary);font-size:12px;font-style:normal;font-weight:400}.auth-form input{width:100%;height:42px;padding:0 12px;border:1px solid #e2e4e8;border-radius:8px;background:#fff;color:var(--text-primary);font:inherit;font-size:15px;outline:none;transition:border-color .15s,box-shadow .15s}.auth-form input:focus{border-color:#9da2aa;box-shadow:var(--ring-focus)}.auth-form input::placeholder{color:#b0b4bc}.auth-error{padding:9px 11px;border:1px solid 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var(--border);border-radius:8px;background:#fff;color:#575962;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 3px #0000000d}.sidebar-expand:hover{background:#f5f6f8}.nav-open-btn,.sidebar-backdrop{display:none}.sidebar{width:248px;flex-shrink:0;display:flex;flex-direction:column;background:#f7f7f8;border-right:1px solid #ededf0;padding:8px 10px 10px}.sidebar-brand{display:flex;align-items:center;gap:9px;height:48px;padding:0 9px;flex-shrink:0}.sidebar-logo{width:29px;height:29px;border-radius:8px;object-fit:contain}.sidebar-name{font-size:16px;font-weight:650;color:var(--text-primary);letter-spacing:-.1px}.brand-fold{margin-left:auto;width:26px;height:26px;border:0;border-radius:6px;background:transparent;color:#9a9ca4;font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center}.brand-fold:hover{background:#ededf0;color:#575962}.new-chat{height:42px;margin:7px 2px 10px;padding:0 12px;border:1px solid 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6px;border-radius:6px}.attach-panel-close:hover{background:var(--bg-hover);color:var(--text-primary)}.attach-panel-body{flex:1;overflow-y:auto;padding:12px}.attach-panel-empty{padding:28px 0;text-align:center;color:var(--text-tertiary);font-size:14px}.attach-loading{display:flex;flex-direction:column;align-items:center;gap:10px;padding:40px 0}.attach-progress-bar{width:min(320px,80%);height:6px;border-radius:3px;background:#ececef;overflow:hidden}.attach-progress-fill{height:100%;border-radius:3px;background:#292a2f;transition:width .15s ease}.attach-item{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:8px}.attach-thumb,.attach-thumb-placeholder,.attach-icon{width:44px;height:44px;flex-shrink:0;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:22px;background:#f2f3f5;color:var(--text-tertiary)}.attach-thumb{object-fit:cover;background:#eee}.file-icon{display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:700;line-height:1;letter-spacing:.3px;flex-shrink:0;vertical-align:middle;user-select:none;-webkit-user-select:none}.attach-meta{min-width:0;flex:1}.attach-name{font-size:14px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attach-sub{font-size:12px;color:var(--text-tertiary);margin-top:2px}.attach-chip-btn{border:0;background:transparent;font:inherit;color:inherit;display:inline-flex;align-items:center;gap:4px;max-width:100%;cursor:pointer;padding:0}.attach-chip-btn:hover{color:var(--text-primary);text-decoration:underline}.msg-user-text{margin:0;white-space:pre-wrap;word-break:break-word}button.attach-item{width:100%;text-align:left;border:1px solid var(--border);background:transparent;cursor:pointer;font:inherit;color:inherit}button.attach-item:hover{background:var(--bg-hover)}.attach-preview-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#0f121973;display:flex;align-items:stretch;justify-content:center}.attach-preview{display:flex;flex-direction:column;width:min(620px,100%);background:var(--bg-surface);box-shadow:0 12px 48px #0000002e}.attach-preview-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.attach-preview-title{font-size:15px;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attach-preview-body{flex:1;overflow-y:auto;padding:14px 18px}.attach-preview-text{margin:0;font:inherit;font-size:15px;line-height:1.9;white-space:pre-wrap;word-break:break-word;color:var(--text-primary)}.attach-preview-tabs{display:flex;gap:4px;padding:8px 12px;flex-shrink:0;border-bottom:1px solid var(--border)}.attach-preview-tabs button{flex:1;padding:6px 0;border:0;border-radius:8px;cursor:pointer;background:transparent;color:var(--text-secondary, #6f7681);font-size:13px}.attach-preview-tabs button.active{background:#0000000f;color:var(--text-primary);font-weight:600}.attach-original-img{display:block;max-width:100%;height:auto;object-fit:contain;margin:0 auto}.attach-original-frame{width:100%;height:62vh;border:0;background:#fff}.attach-original-docx{max-height:62vh;overflow:auto;background:#fff}.attach-original-dl{display:inline-block;margin-top:10px;padding:6px 14px;border-radius:8px;background:var(--text-primary, #1f2329);color:#fff;text-decoration:none;font-size:13px}.voice-input{display:flex;align-items:center;gap:6px}.composer-mic{width:32px;height:32px;flex-shrink:0;border:0;background:transparent;border-radius:8px;cursor:pointer;color:#1f2329;display:flex;align-items:center;justify-content:center}.composer-mic:hover:not(:disabled){background:#f2f2f4}.composer-mic:disabled{color:#b9bcc3;cursor:default}.voice-timer{display:inline-flex;align-items:center;gap:5px;height:32px;padding:0 8px;font-size:13px;color:#d33;font-variant-numeric:tabular-nums}.voice-dot{width:8px;height:8px;border-radius:50%;background:#e5484d;animation:voice-blink 1s ease-in-out infinite}@keyframes voice-blink{0%,to{opacity:1}50%{opacity:.25}}.voice-cancel{height:30px;padding:0 10px;border:1px solid #e7e7ea;border-radius:8px;background:#fff;color:#6c6e76;font-size:13px;cursor:pointer}.voice-cancel:hover{color:#1f2329;border-color:#cfcfd6}.voice-stop{width:34px;height:34px;flex-shrink:0;border:none;border-radius:50%;background:#e5484d;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}.voice-stop:hover{background:#d33c40}.voice-error{font-size:12px;color:#d33;white-space:nowrap}