        /* 媒体查询：手机模式 */
        @media (max-width: 990px) {
            .wap_Show {
                display: block;
            }
            
            .mobile-search-container {
                display: block;
            }
            
            /* 修复菜单无法打开的问题 */
            .T_topBar .item {
                cursor: pointer;
                z-index: 100;
            }
            
            .T_topBar .nav {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                background: rgba(0,0,0,0.9);
                z-index: 99;
                padding: 60px 20px 20px;
                overflow: auto;
            }
            
            .T_topBar .nav.active {
                display: block;
            }
        }
        .mobile-search-container {
    position: relative;
    margin-right: 30px;
    margin-top:5px;
}

.mobile-search-box {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    z-index: 200;
    display: none;
    align-items: center;
    height: 60px; /* 与导航栏高度匹配 */
}

.mobile-search-box form {
    display: flex;
    width: 100%;
}

.mobile-search-box input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #DCDFE6;
    border-radius: 4px 0 0 4px;
    font-size: 16px;
}

.mobile-search-box button {
    background: #3b61b9;
    color: white;
    border: none;
    padding:15px;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
    height: 100%;
}

/* 媒体查询：手机模式 */
@media (max-width: 990px) {
    /* 新增：移动端搜索激活状态 */
    .mobile-search-box.active {
        display: flex;
    }
    
    /* 当搜索框显示时隐藏导航菜单 */
    .mobile-search-box.active + .nav {
        display: none !important;
    }
    
    /* 调整顶部布局 */
    .wap_Show {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        width: auto;
    }
}
.channel-item:nth-child(n+7) {
  display: none;
}.channel-item1:nth-child(n+9) {
  display: none;
}