/* ===== 修复LOGO遮挡 + 保持固定定位 ===== */
        
        /* 1. 保持固定定位，但增加高度和调整内边距 */
        .itopbar {
            position: fixed !important;
            top: 0 !important;
            left: 0 !important;
            right: 0 !important;
            height: auto !important;  /* 自动高度 */
            min-height: 70px !important;
            padding: 10px 0 !important;
            z-index: 9999 !important;
            background-color: #000000d9 !important;
        }
        
        /* 2. 给页面顶部留出导航的高度 */
        body {
            padding-top: 80px !important;
        }
        
        /* 3. 如果幻灯片被遮挡，增加间距 */
        .ibanner {
            margin-top: 0 !important;
        }
        
        /* 4. 子分类菜单确保不被遮挡 */
        .isubmenu {
            position: relative !important;
            z-index: 10 !important;
            clear: both !important;
            margin-top: 0 !important;
            padding-top: 10px !important;
        }
        
        /* 5. LOGO和导航在同一行，垂直居中 */
        .ilogo {
            display: inline-block !important;
            vertical-align: middle !important;
        }
        .ilogo img {
            max-height: 40px !important;
            width: auto !important;
        }
        .ilogo span {
            font-size: 20px !important;
            line-height: 40px !important;
            vertical-align: middle !important;
        }
        
        /* 6. 导航菜单 */
        .sitenav {
            display: inline-block !important;
            vertical-align: middle !important;
            margin-left: 20px !important;
        }
        .sitenav a {
            line-height: 40px !important;
            padding: 0 12px !important;
            color: #fff !important;
        }
        
        /* 7. 容器布局 */
        .container {
            position: relative !important;
            max-width: 1200px !important;
            margin: 0 auto !important;
            padding: 0 15px !important;
        }
        
        /* 8. 主内容区域 */
        .icon {
            padding-top: 0 !important;
        }
        
        /* 9. 如果有轮播，确保不被遮挡 */
        .swiper-container {
            margin-top: 0 !important;
        }