.linkMenu {
            position: fixed;
            left: 10px;
            top: 540px;
            transform: translateY(-50%);
            width: 120px;
            background: linear-gradient(135deg, #2c3e50 0%, #1a2530 100%);
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
            padding: 10px 0;
            z-index: 1000;
            transition: all 0.3s ease;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .menu-collapsed .linkMenu {
            width: 90px;
        }
        
        .menuTitle {
            display: block;
            color: #fff;
            font-size: 15px;
            font-weight: bold;
            text-align: center;
            padding: 4px 10px 12px 4px;
            margin-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            white-space: nowrap;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        .menu-collapsed .menuTitle {
            font-size: 14px;
            padding: 15px 10px;
            text-overflow: ellipsis;
        }
        
        .linkMenuItem {
            color: #b0bec5;
            padding: 10px 14px;
            margin: 3px 3px;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            display: flex;
            align-items: center;
            white-space: nowrap;
            overflow: hidden;
        }
        
        .linkMenuItem span {
            transition: all 0.3s ease;
            font-size: 12px;
        }
        
        .menu-collapsed .linkMenuItem span {
            opacity: 0;
            width: 0;
        }
        
        .linkMenuItem:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateX(2px);
        }
        
        .linkMenuItem.active {
            background-color: #e60023;
            color: #fff;
            box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
        }
        
        .linkMenuItem.active:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background-color: #fff;
            border-radius: 0 4px 4px 0;
        }
        
        .linkMenuTrigger {
            color: #7f8c8d;
            padding: 10px 2px 10px 10px;
            margin-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            cursor: pointer;
            text-align: center;
            transition: all 0.3s ease;
            display: flex;
            justify-content: center;
            align-items: center;
            white-space: nowrap;
            font-size: 14px;
        }
        
        .linkMenuTrigger:hover {
            color: #fff;
            background-color: rgba(255, 255, 255, 0.05);
        }
        
        .menu-collapsed .linkMenuTrigger span {
            transform: rotate(180deg);
        }
        
        .hideMenu {
            position: fixed;
            left: -10px;
            top: 520px;
            transform: translateY(-50%);
            width: 60px;
            background: linear-gradient(135deg, #2c3e50 0%, #1a2530 100%);
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
            padding: 10px 0;
            z-index: 1000;
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .hideMenu .menuTitle {
            font-size: 16px;
    padding: 1px 10px 5px 10px;
    margin-bottom: 4px;
    text-align: center;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    height: 140px;
    border-bottom: none;
    margin-right: 0;
        }
        
        .hideMenu .openLinkMenuTrigger {
            padding: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            color: #7f8c8d;
            transition: all 0.3s ease;
        }
        
        .hideMenu .openLinkMenuTrigger:hover {
            color: #fff;
        }
        
        .hideMenu .openLinkMenuTrigger img {
            margin-top: 10px;
        }
        
       
        
        .menu-collapsed .linkMenuItem:before {
            margin-right: 0;
            font-size: 13px;
        }
        
        .linkMenuItem:hover:before {
            color: #3498db;
        }
        
        .linkMenuItem.active:before {
            color: #fff;
        }
  /* ==================== 移动端样式 ==================== */
        /* 在移动端完全隐藏菜单和相关样式 */
        @media screen and (max-width: 768px) {
            /* 隐藏所有菜单 */
            .linkMenu,
            .hideMenu {
                display: none !important;
            }
            
            /* 移除body的左侧内边距 */
            body,
            body.menu-collapsed {
                padding-left: 0 !important;
            }
            
            /* 内容区域在移动端的调整 */
            .content {
                padding: 20px;
                padding-top: 40px;
            }
            
            /* 移动端显示菜单切换按钮（可选） */
            .mobile-menu-toggle {
                display: block;
            }
        }
        
        /* 平板设备（768px-1024px）的调整 */
 @media screen and (min-width: 769px) and (max-width: 1024px) {
            /* 保持菜单显示，但调整一些细节 */
            .linkMenu {
                width: 180px;
                top: 50%;
            }                       
            .menuTitle {
                font-size: 16px;
                padding: 12px 15px;
            }
            
            .linkMenuItem {
                padding: 10px 15px;
                margin: 6px 10px;
            }
        }