       /* 侧边栏样式 */
        .sidebar-card{
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            z-index: 1000;
        }
        
        .sidebar-card a img {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            opacity: 0.8;
            transition: all 0.3s ease;
        }
        
        .sidebar-card a img:hover {
            opacity: 1;
            transform: scale(1.05);
        }
        
        .sidebar-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 16px;
            border: 1px dashed #aaa;
            color: #777;
            background: transparent;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .sidebar-btn:hover {
            color: #3498db;
            border: 1px solid #3498db;
            box-shadow: 0 3px 8px rgba(52, 152, 219, 0.2);
        }
        
        .sidebar-btn-hidden {
            opacity: 0;
            pointer-events: none;
            transform: translateY(15px) scale(0.8);
        }
        .sidebar-text-btn {
            font-style: normal;
            font-size: 14px;
        }
        /* 提示框样式 */
        .sidebar-notification {
            position: fixed;
            top: 30px;
            left: 50%;
            transform: translateX(-50%) ;
            background: #4CAF50;
            color: white;
            padding: 15px 30px;;
            border-radius: 50px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            font-size: 14px;
            z-index: 2000;
            opacity: 0;
            transition: all 0.4s ease;
            pointer-events: none;           
        }
        
        .sidebar-notification.show {
            opacity: 1;
        }        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .smart-sidebar {
                right: 10px;
            }
            .sidebar-btn {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
        }