/* 聊天图标样式 */
        .chat-icon-container {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 9999;
            cursor: pointer;
        }
        
        .chat-icon {
            width: 60px;
            height: 60px;
            /* background-color: #165DFF; */
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            transition: all 0.3s ease;
        }
        
        .chat-icon:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
        }
 
        
        /* 气泡提示动画 */
        @keyframes bubble-pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(22, 93, 255, 0.4);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(22, 93, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(22, 93, 255, 0);
            }
        }
        
        .bubble-pulse {
            animation: bubble-pulse 1s infinite;
        }
        
        /* 聊天对话框样式 */
        .chat-dialog {
            position: fixed;
            bottom: 100px;
            right: 50px;
            width: 550px;
            max-width: calc(100% - 60px);
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            display: none;
            flex-direction: column;
            height: 600px;
            transform-origin: bottom right;
            transform: scale(0.8);
            opacity: 0;
            transition: all 0.3s ease;
        }
        
        .chat-dialog.open {
            display: flex;
            transform: scale(1);
            opacity: 1;
        }
        
        .chat-header {
           
            /* background:   linear-gradient(135deg, #a8c0ff 0%, #3f87a6 100%);; */
            background: linear-gradient(to top, #a1c4fd 0%, #c2e9fb 100%);

            color: white;
            padding: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .chat-title {
            font-size: 18px;
            font-weight: 500;
        }
        
        .close-chat {
            cursor: pointer;
            font-size: 20px;
            transition: transform 0.2s ease;
        }
        
        .close-chat:hover {
            transform: rotate(90deg);
        }
        
        .chat-content {
            flex: 1;
            padding: 16px;
            overflow-y: auto;
            background-color: #F5F7FA;
        }
        
        .chat-footer {
            padding: 12px 16px;
            border-top: 1px solid #E5E6EB;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
   
        
        
        /* 语音输入按钮 */
        .voice-input-container {
            display: flex;
            justify-content: center;
            margin-top: 20px;
        }
        
        .voice-input-btn {
            width: 50px;
            height: 50px;
            /* background-color: #165DFF; */
            /* background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%); */
            background: linear-gradient(to top, #a1c4fd 0%, #c2e9fb 100%);

            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(22, 93, 255, 0.3);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .voice-input-btn:hover {
            /* background: linear-gradient(135deg, #f5f7fa 0%, #e4ecff 100%); */
            box-shadow: 0 6px 15px rgba(22, 93, 255, 0.4);
        }
        
        .voice-input-btn.active {
            animation: pulse 1.5s infinite;
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(22, 93, 255, 0.7);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(22, 93, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(22, 93, 255, 0);
            }
        }
        
        /* 语音识别状态显示 */
        .voice-status {
            margin-top: 10px;
            text-align: center;
            font-size: 14px;
            color: #666;
            min-height: 20px;
        }
        
        /* 聊天消息样式 */
        .message {
            margin-bottom: 15px;
            display: flex;
        }
        
        .message.bot {
            justify-content: flex-start;
        }
        
        .message.user {
            justify-content: flex-end;
        }
        
        .message-content {
            padding: 10px 15px;
            border-radius: 18px;
            max-width: 80%;
        }
        
        .message.bot .message-content {
            background-color: white;
            border-radius: 18px 18px 18px 0;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
        }
        
        .message.user .message-content {
            /* background-color: #165DFF; */
            background: linear-gradient(to top, #a1c4fd 0%, #c2e9fb 100%);

            /* color: white; */
            border-radius: 18px 18px 0 18px;
        }
        
        /* 打字动画 */
        .typing-indicator {
            display: flex;
            align-items: center;
            padding: 10px 15px;
        }
        
        .typing-indicator span {
            height: 8px;
            width: 8px;
            margin: 0 2px;
            background-color: #9E9EA1;
            border-radius: 50%;
            display: inline-block;
            animation: typing-bounce 1.4s infinite ease-in-out both;
        }
        
        .typing-indicator span:nth-child(1) {
            animation-delay: -0.32s;
        }
        
        .typing-indicator span:nth-child(2) {
            animation-delay: -0.16s;
        }
        
        @keyframes typing-bounce {
            0%, 80%, 100% {
                transform: scale(0);
            }
            40% {
                transform: scale(1);
            }
        }