 /* 微信聊天泡泡样式 */
        .wechat-bubble {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 70px;
            height: 70px;
           
            border-radius: 50% 50% 20% 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(7, 193, 96, 0.4);
            z-index: 10000;
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
        }
        
        .wechat-bubble:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 16px rgba(7, 193, 96, 0.6);
        }
        
        .wechat-icon {
            color: white;
            font-size: 24px;
            font-weight: bold;
        }
        
        /* 浮动动画 */
        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        
        /* 提示文本 */
        .bubble-tooltip {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 12px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }
        
        .wechat-bubble:hover .bubble-tooltip {
            opacity: 1;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .wechat-bubble {
                width: 50px;
                height: 50px;
                bottom: 15px;
                right: 15px;
            }
            
            .wechat-icon {
                font-size: 20px;
            }
        }