.zoom {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            background-color: #fff;
            border-radius: 50%;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: move;
            z-index: 1100;
            user-select: none;
        }

        /* 页面内容 - 默认隐藏 */
        .zoom-page {
            display: none;
        }
        
        /* 当前活动页面 */
        .zoom-page.active {
            display: block;
            animation: fadeIn 0.5s;
        }