/* 修复移动设备下列表文字不可见问题 */
@media (max-width: 767px) {
    .post-list {
        grid-template-columns: 1fr;
        width: 100%;
        padding: 0 15px !important;
        display: grid !important;
    }
    
    .post-item {
        background-color: #fff !important;
        color: #333 !important;
        z-index: 5 !important;
        position: relative !important;
        display: block !important;
        visibility: visible !important;
        padding: 1.5rem !important;
    }
    
    .post-title {
        color: #333 !important;
        font-size: 1.3rem !important;
        visibility: visible !important;
        display: block !important;
    }
    
    .post-title a {
        color: #333 !important;
        visibility: visible !important;
        display: block !important;
    }
    
    .post-excerpt {
        color: #555 !important;
        display: block !important;
        visibility: visible !important;
        margin-bottom: 1rem !important;
    }
    
    .post-meta {
        color: #666 !important;
        display: flex !important;
        visibility: visible !important;
    }
    
    .post-author, .post-date, .post-type {
        color: #666 !important;
        visibility: visible !important;
    }
    
    .read-more {
        color: #007bff !important;
        visibility: visible !important;
        display: inline-block !important;
    }
    
    .post-list-container {
        width: 100% !important;
        display: block !important;
        visibility: visible !important;
        overflow: visible !important;
    }
}


/* 优化移动设备下分类导航 */
@media (max-width: 767px) {
    .category-nav {
        margin-bottom: 20px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .category-list {
        display: flex;
        flex-wrap: nowrap;
        padding: 10px 0;
        margin: 0;
        list-style: none;
        white-space: nowrap;
    }
    
    .category-list > li {
        position: relative;
        margin-right: 10px;
    }
    
    .category-list > li > a {
        display: inline-block;
        padding: 8px 15px;
        background-color: #f8f9fa;
        border-radius: 20px;
        color: #333;
        text-decoration: none;
        font-size: 14px;
        transition: all 0.3s ease;
    }
    
    .category-list > li.active > a {
        background-color: #007bff;
        color: #fff;
    }
    
    .category-list > li > a .fa-caret-down {
        margin-left: 5px;
    }
    
    /* 子分类样式 */
    .subcategory-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 200px;
        background-color: #fff;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        border-radius: 5px;
        padding: 10px 0;
        z-index: 100;
        margin-top: 5px;
    }
    
    .subcategory-list.show {
        display: block;
    }
    
    .subcategory-list li {
        padding: 0;
        margin: 0;
        list-style: none;
    }
    
    .subcategory-list li a {
        display: block;
        padding: 8px 15px;
        color: #333;
        text-decoration: none;
        font-size: 14px;
        transition: all 0.3s ease;
        white-space: normal;
    }
    
    .subcategory-list li a:hover {
        background-color: #f8f9fa;
        color: #007bff;
    }
    
    .subcategory-list li.active > a {
        color: #007bff;
        font-weight: 500;
    }
    
    /* 移动端触摸友好的样式 */
    .has-children {
        position: relative;
    }
    
    .dropdown-toggle {
        position: relative;
    }
    
    .dropdown-toggle.active + .subcategory-list {
        display: block;
    }
}

/* 解决576-768px范围内的LOGO和导航菜单显示问题 */
@media screen and (min-width: 576px) and (max-width: 768px) {
    /* 强制修复LOGO图片显示 */
    .logo-container img, .logo-img {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        max-height: 40px !important;
        width: auto !important;
    }
    
    /* 修复导航布局 */
    .header-wrapper {
        display: grid !important;
        grid-template-columns: auto 1fr auto !important;
        grid-template-rows: auto auto !important;
        grid-template-areas: 
            "logo nav user"
            "search search search" !important;
    }
    
    /* 修复导航菜单显示 */
    .main-nav {
        position: static !important;
        transform: none !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: auto !important;
    }
    
    /* 修复用户导航显示 */
    .user-nav {
        display: flex !important;
        position: static !important;
    }
    
    /* 调整顶部行的样式 */
    .top-nav-row {
        display: flex !important;
        justify-content: flex-end !important;
        align-items: center !important;
        position: static !important;
        transform: none !important;
        width: auto !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .right-controls {
        display: flex !important;
        align-items: center !important;
        position: static !important;
        transform: none !important;
    }
    
    /* 调整按钮样式 */
    .user-nav .btn {
        display: inline-block !important;
        padding: 5px 10px !important;
        font-size: 13px !important;
        margin: 0 0 0 5px !important;
        white-space: nowrap !important;
    }
    
    /* 隐藏移动菜单按钮 */
    .mobile-menu-toggle {
        display: none !important;
    }
    
    /* 登录/退出按钮紧急修复 */
    .top-nav-row {
        align-self: center !important;
    }
    
    .right-controls {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    .user-nav {
        display: flex !important;
        align-items: center !important;
        justify-content: flex-end !important;
        width: auto !important;
        height: auto !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* 强制按钮样式 */
    .btn.btn-sm {
        display: inline-block !important;
        margin: 0 0 0 5px !important;
        padding: 5px 10px !important;
        font-size: 13px !important;
        line-height: 1.5 !important;
        text-align: center !important;
        white-space: nowrap !important;
        vertical-align: middle !important;
        cursor: pointer !important;
        user-select: none !important;
        border-radius: 0.2rem !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* 确保grid布局正确 */
    .header-wrapper {
        grid-template-columns: auto 1fr auto !important;
    }
    
    /* 导航列表样式 */
    .nav-list {
        display: flex !important;
        flex-direction: row !important;
        justify-content: center !important;
        padding: 0 !important;
        margin: 0 !important;
        width: auto !important;
        overflow-x: auto !important;
        flex-wrap: nowrap !important;
        -webkit-overflow-scrolling: touch !important;
        scrollbar-width: none !important; /* Firefox */
    }
    
    /* 隐藏滚动条 */
    .nav-list::-webkit-scrollbar {
        display: none !important;
    }
    
    /* 导航项目样式 */
    .nav-item {
        opacity: 1 !important;
        transform: none !important;
        width: auto !important;
        margin-right: 15px !important;
        white-space: nowrap !important;
        display: inline-block !important;
    }
    
    /* 导航链接样式 */
    .nav-link, .main-nav a {
        padding: 8px 5px !important;
        font-size: 14px !important;
        display: inline-block !important;
    }
    
    /* 隐藏移动导航的头部和底部 */
    .mobile-nav-header, 
    .mobile-nav-footer {
        display: none !important;
    }
    
    /* 隐藏移动菜单按钮和遮罩 */
    .mobile-menu-toggle {
        display: none !important;
    }
    
    .menu-overlay {
        display: none !important;
    }
}

/* 修复LOGO图片显示问题 */
.logo-container img, .logo-img {
    max-height: 50px;
    width: auto;
    display: block;
}