:root{--color-primary: #1a73e8;--color-primary-hover: #1765cc;--color-primary-weak: #e8f0fe;--color-on-primary: #ffffff;--text-primary: #202124;--text-secondary: #5f6368;--text-tertiary: #80868b;--text-disabled: #bdc1c6;--border: #dadce0;--border-strong: #bdc1c6;--bg-base: #ffffff;--bg-subtle: #f8f9fa;--bg-muted: #f1f3f4;--sidebar-bg: #202124;--sidebar-text: #e8eaed;--sidebar-text-muted: #9aa0a6;--sidebar-active-bg: rgba(26, 115, 232, .16);--sidebar-active-text: #8ab4f8;--color-success: #1e8e3e;--color-success-weak: #e6f4ea;--color-warning: #f9ab00;--color-warning-weak: #fef7e0;--color-error: #d93025;--color-error-weak: #fce8e6;--color-info: #1a73e8;--color-info-weak: #e8f0fe;--fs-caption: 12px;--fs-body: 14px;--fs-body-lg: 16px;--fs-title: 18px;--fs-heading: 20px;--fs-display: 24px;--fw-regular: 400;--fw-medium: 500;--fw-bold: 700;--lh-tight: 1.3;--lh-snug: 1.4;--lh-base: 1.6;--lh-loose: 1.8;--ls-normal: 0;--ls-tight: -.01em;--ls-wide: .04em;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-pill: 999px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-8: 48px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Heiti TC", "Microsoft JhengHei", "微軟正黑體", "Noto Sans TC", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;--shadow-sm: 0 1px 2px rgba(60, 64, 67, .1);--shadow-md: 0 2px 8px rgba(60, 64, 67, .15);--shadow-lg: 0 4px 16px rgba(60, 64, 67, .2);--bp-mobile: 480px;--bp-tablet: 768px}body{font-family:var(--font-sans);font-size:var(--fs-body);line-height:var(--lh-base);letter-spacing:var(--ls-normal);color:var(--text-primary);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,textarea,select{font-family:inherit;letter-spacing:inherit}._widgetContainer_1hbj9_5{position:fixed;bottom:var(--space-5);right:var(--space-5);z-index:9999;font-family:var(--font-sans);font-size:var(--fs-body);letter-spacing:var(--ls-normal)!important}._chatPanel_1hbj9_21{position:absolute;bottom:64px;right:0;width:360px;max-height:560px;display:flex;flex-direction:column;background:var(--bg-base);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden}@media (max-width: 480px){._chatPanel_1hbj9_21{width:calc(100vw - var(--space-4));right:calc(-1 * var(--space-2));max-height:80vh}}._chatHeader_1hbj9_45{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);background:var(--color-primary);color:var(--color-on-primary)}._chatTitle_1hbj9_54{flex:1;margin:0;font-size:var(--fs-body-lg);font-weight:var(--fw-medium);line-height:var(--lh-snug)}._reconnectingBadge_1hbj9_63{font-size:var(--fs-caption);opacity:.85;line-height:var(--lh-snug)}._closeButton_1hbj9_69{background:none;border:none;color:var(--color-on-primary);cursor:pointer;font-size:var(--fs-body-lg);padding:var(--space-1);border-radius:var(--radius-sm);line-height:var(--lh-snug)}._closeButton_1hbj9_69:hover{background:#fff3}._queueBanner_1hbj9_85{display:flex;align-items:center;gap:var(--space-2);padding:10px var(--space-4);background:var(--color-warning-weak);color:#5d4037;font-size:var(--fs-body);line-height:var(--lh-base);border-bottom:1px solid #ffe082}._queueIcon_1hbj9_97{font-size:var(--fs-body-lg)}._errorBanner_1hbj9_101{padding:10px var(--space-4);background:var(--color-error-weak);color:var(--color-error);font-size:var(--fs-body);line-height:var(--lh-base);border-bottom:1px solid #f48fb1}._systemNoticeBanner_1hbj9_111{display:flex;align-items:center;gap:var(--space-2);padding:10px var(--space-4);background:var(--color-primary-weak);color:var(--text-primary);font-size:var(--fs-body);line-height:var(--lh-base);border-bottom:1px solid #aecbfa}._systemNoticeIcon_1hbj9_123{font-size:var(--fs-body-lg);flex-shrink:0}._stalledBanner_1hbj9_129{display:flex;flex-direction:column;gap:var(--space-2);padding:10px var(--space-4);background:var(--color-error-weak);color:var(--color-error);font-size:var(--fs-body);line-height:var(--lh-base);border-bottom:1px solid #f48fb1}._stalledMessage_1hbj9_141{margin:0}._stalledActions_1hbj9_145{display:flex;gap:var(--space-2)}._stalledButton_1hbj9_150{padding:var(--space-1) var(--space-3);border:1px solid var(--color-error);border-radius:var(--radius-md);background:var(--bg-base);color:var(--color-error);font-size:var(--fs-caption);font-weight:var(--fw-medium);cursor:pointer;transition:background .15s}._stalledButton_1hbj9_150:hover{background:var(--color-error-weak)}._welcomeMessage_1hbj9_167{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--space-5) var(--space-4);color:var(--text-secondary);text-align:center;line-height:var(--lh-base);font-size:var(--fs-body)}._messageList_1hbj9_182{flex:1;overflow-y:auto;padding:var(--space-3) var(--space-4);display:flex;flex-direction:column;gap:var(--space-2)}._messageBubble_1hbj9_192{max-width:78%;padding:var(--space-2) var(--space-3);border-radius:var(--radius-lg);line-height:var(--lh-base);word-break:break-word;font-size:var(--fs-body)}._bubbleVisitor_1hbj9_202{align-self:flex-end;background:var(--color-primary);color:var(--color-on-primary);border-bottom-right-radius:var(--radius-sm)}._bubbleAgent_1hbj9_209{align-self:flex-start;background:var(--bg-muted);color:var(--text-primary);border-bottom-left-radius:var(--radius-sm)}._bubbleBody_1hbj9_216{margin:0;white-space:pre-wrap}._deliveryStatus_1hbj9_221{display:block;font-size:var(--fs-caption);opacity:.7;margin-top:2px;text-align:right;line-height:var(--lh-snug)}._waitingBubble_1hbj9_231{align-self:flex-start;max-width:78%;padding:var(--space-2) var(--space-3);background:var(--bg-muted);border-radius:var(--radius-lg);border-bottom-left-radius:var(--radius-sm);color:var(--text-secondary);font-size:var(--fs-body);line-height:var(--lh-snug)}._waitingDots_1hbj9_243{display:inline-flex;gap:3px;align-items:center}._waitingDots_1hbj9_243 span{width:5px;height:5px;border-radius:var(--radius-pill);background:var(--text-tertiary);animation:_dotBounce_1hbj9_1 1.4s ease-in-out infinite both}._waitingDots_1hbj9_243 span:nth-child(1){animation-delay:0s}._waitingDots_1hbj9_243 span:nth-child(2){animation-delay:.2s}._waitingDots_1hbj9_243 span:nth-child(3){animation-delay:.4s}@keyframes _dotBounce_1hbj9_1{0%,80%,to{transform:scale(.7);opacity:.4}40%{transform:scale(1);opacity:1}}._chatInputForm_1hbj9_267{display:flex;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-top:1px solid var(--border);background:var(--bg-base)}._srOnly_1hbj9_275{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}._chatTextarea_1hbj9_287{flex:1;resize:none;border:1px solid var(--border);border-radius:var(--radius-md);padding:var(--space-2) 10px;font-size:var(--fs-body);font-family:inherit;line-height:var(--lh-base);color:var(--text-primary);outline:none;transition:border-color .15s}._chatTextarea_1hbj9_287:focus{border-color:var(--color-primary)}._chatTextarea_1hbj9_287:disabled{background:var(--bg-subtle);color:var(--text-tertiary)}._sendButton_1hbj9_312{padding:var(--space-2) var(--space-4);background:var(--color-primary);color:var(--color-on-primary);border:none;border-radius:var(--radius-md);cursor:pointer;font-size:var(--fs-body);font-weight:var(--fw-medium);line-height:var(--lh-snug);transition:background .15s;white-space:nowrap}._sendButton_1hbj9_312:hover:not(:disabled){background:var(--color-primary-hover)}._sendButton_1hbj9_312:disabled{background:var(--border);color:var(--text-tertiary);cursor:not-allowed}._sendColumn_1hbj9_339{display:flex;flex-direction:column;align-items:center;justify-content:space-between;flex-shrink:0}._toggleButton_1hbj9_348{width:56px;height:56px;border-radius:var(--radius-pill);background:var(--color-primary);color:var(--color-on-primary);border:none;cursor:pointer;font-size:var(--fs-display);line-height:var(--lh-snug);box-shadow:var(--shadow-md);transition:background .15s,transform .15s;display:flex;align-items:center;justify-content:center}._toggleButton_1hbj9_348:hover{background:var(--color-primary-hover);transform:scale(1.05)}._toggleButtonOpen_1hbj9_371{background:var(--text-secondary);font-size:var(--fs-heading)}._attachmentUpload_1hbj9_377{display:flex;flex-direction:column;align-items:center;gap:2px}._attachmentIconButton_1hbj9_386{display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0;border-radius:var(--radius-md);border:none;background:transparent;color:var(--text-secondary);cursor:pointer;transition:background .15s,color .15s}._attachmentIconButton_1hbj9_386:hover{background:var(--color-primary-weak);color:var(--color-primary)}._attachmentIconButtonDisabled_1hbj9_406{opacity:.5;cursor:not-allowed;pointer-events:none}._uploadStatus_1hbj9_412{display:flex;align-items:center;gap:var(--space-2);font-size:var(--fs-caption);color:var(--text-secondary);line-height:var(--lh-snug)}._uploadProgressBar_1hbj9_421{width:100px;height:6px}._attachmentError_1hbj9_426{margin:0;color:var(--color-error);font-size:var(--fs-caption);line-height:var(--lh-snug);max-width:100px;word-break:break-word}._attachmentStaging_1hbj9_440{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-2) var(--space-4);border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-subtle)}._attachmentStagingRow_1hbj9_450{display:flex;align-items:center;gap:var(--space-2)}._attachmentStagingThumbnail_1hbj9_456{width:40px;height:40px;object-fit:cover;border-radius:var(--radius-md);background:#fff;flex-shrink:0}._attachmentStagingFileIcon_1hbj9_465{font-size:24px;flex-shrink:0}._attachmentStagingFilename_1hbj9_470{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--fs-caption);color:var(--text-secondary)}._attachmentStagingCancelBtn_1hbj9_480{flex-shrink:0;background:transparent;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);font-size:var(--fs-caption);padding:2px var(--space-2);cursor:pointer}._attachmentStagingCancelBtn_1hbj9_480:disabled{color:var(--text-tertiary);cursor:not-allowed}._attachmentStagingErrorRow_1hbj9_496{display:flex;align-items:center;gap:var(--space-2)}._attachmentStagingRetryBtn_1hbj9_502{flex-shrink:0;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--fs-caption);padding:2px var(--space-3);cursor:pointer}._attachmentImage_1hbj9_514{display:block;max-width:200px;max-height:200px;border-radius:var(--radius-md);object-fit:contain;background:#fff;padding:2px}._attachmentVideo_1hbj9_525{display:block;max-width:240px;max-height:240px;border-radius:var(--radius-md)}._attachmentLoadError_1hbj9_532{margin:0;color:var(--color-error);font-size:var(--fs-caption);line-height:var(--lh-snug)}._documentCard_1hbj9_540{display:flex;align-items:center;gap:var(--space-2);max-width:240px;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background:var(--color-info-weak)}._documentCardBlocked_1hbj9_550{display:flex;align-items:center;gap:var(--space-2);max-width:240px;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background:var(--color-error-weak)}._documentCardErrorState_1hbj9_560{display:flex;align-items:center;gap:var(--space-2);max-width:240px;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);background:var(--color-warning-weak)}._documentCardIcon_1hbj9_570{font-size:var(--fs-title);line-height:1;flex-shrink:0}._documentCardSpinner_1hbj9_576{flex-shrink:0;width:16px;height:16px;border-radius:var(--radius-pill);border:2px solid var(--text-tertiary);border-top-color:var(--color-primary);animation:_documentCardSpin_1hbj9_576 .8s linear infinite}@keyframes _documentCardSpin_1hbj9_576{to{transform:rotate(360deg)}}._documentCardAlertIcon_1hbj9_592{font-size:var(--fs-title);line-height:1;flex-shrink:0}._documentCardInfo_1hbj9_598{display:flex;flex-direction:column;min-width:0;flex:1}._documentCardFilename_1hbj9_605{font-size:var(--fs-body);color:var(--text-primary);line-height:var(--lh-snug);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._documentCardSize_1hbj9_614,._documentCardStatusText_1hbj9_620{font-size:var(--fs-caption);color:var(--text-secondary);line-height:var(--lh-snug)}._documentCardBlocked_1hbj9_550 ._documentCardStatusText_1hbj9_620{color:var(--color-error)}._documentCardErrorState_1hbj9_560 ._documentCardStatusText_1hbj9_620{color:var(--color-warning)}._documentCardDownloadBtn_1hbj9_634{flex-shrink:0;padding:var(--space-1) var(--space-2);border:none;border-radius:var(--radius-sm);background:var(--color-primary);color:var(--color-on-primary);font-size:var(--fs-caption);cursor:pointer}._documentCardDownloadBtn_1hbj9_634:hover{background:var(--color-primary-hover)}._documentCardDownloadBtn_1hbj9_634:disabled{background:var(--text-disabled);cursor:not-allowed}._documentCardDownloadError_1hbj9_654{margin:0;width:100%;color:var(--color-error);font-size:var(--fs-caption);line-height:var(--lh-snug)}