/* WhatsApp按钮样式 */
        .whatsapp-button {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            align-items: center;
            background-color: #E49E00;
;
            color: white;
            text-decoration: none;
            padding: 12px 18px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            transition: all 0.3s ease;
            z-index: 1000;
            border: none;
            cursor: pointer;
            font-weight: 600;
        }
        
        .whatsapp-button:hover {
            background-color: #E0457B;
            transform: translateY(-50%) scale(1.05);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
        }
        
        .whatsapp-button:active {
            transform: translateY(-50%) scale(0.98);
        }
        
        .whatsapp-icon {
            font-size: 24px;
            margin-right: 8px;
        }
        
        .whatsapp-text {
            font-size: 16px;
            white-space: nowrap;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .whatsapp-button {
                right: 10px;
                padding: 10px 14px;
                border-radius: 8px;
                /* 手机端保持矩形，不隐藏文字 */
            }
            
            .whatsapp-text {
                font-size: 14px;
            }
            
            .whatsapp-icon {
                font-size: 20px;
                margin-right: 6px;
            }
        }
        
        @media (max-width: 480px) {
            .whatsapp-button {
                padding: 8px 12px;
            }
            
            .whatsapp-text {
                font-size: 13px;
            }
        }