#mb-ai-chat-bubble{align-items:center;background:linear-gradient(135deg,#108cee,#1d4ed8);border-radius:50%;bottom:24px;box-shadow:0 8px 24px rgba(16,140,238,.35);cursor:pointer;display:flex;height:56px;justify-content:center;position:fixed;right:24px;transition:transform .2s ease,box-shadow .2s ease;user-select:none;width:56px;z-index:9999}#mb-ai-chat-bubble:hover{box-shadow:0 12px 30px rgba(16,140,238,.45);transform:translateY(-2px) scale(1.04)}#mb-ai-chat-bubble .mb-ai-chat-bubble-icon{color:#fff;font-size:26px;line-height:1}#mb-ai-chat-bubble .mb-ai-chat-bubble-badge{background:#ef4444;border-radius:9px;box-shadow:0 2px 6px rgba(239,68,68,.4);color:#fff;display:none;font-size:11px;height:18px;line-height:18px;min-width:18px;padding:0 5px;position:absolute;right:-4px;text-align:center;top:-4px}#mb-ai-chat-panel{background:#fff;border-radius:14px;bottom:92px;box-shadow:0 18px 60px rgba(0,0,0,.18);display:none;flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,PingFang 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