/**
 * 资讯教程列表页样式
 * 设计风格：简约时尚大气，蓝色系
 */

/* ==================== 面包屑导航 ==================== */
.breadcrumb {
    background: white;
    padding: 15px 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.breadcrumb-nav a {
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.breadcrumb-nav a:hover {
    color: var(--primary-color);
}

.breadcrumb-nav .separator {
    color: var(--gray-400);
}

.breadcrumb-nav .current {
    color: var(--gray-800);
    font-weight: 500;
}

/* ==================== 页面基础 ==================== */
.main-content {
    padding: 30px 0 50px;
    background: #f5f7fa;
    min-height: calc(100vh - 200px);
}

.content-wrapper {
    display: flex;
    gap: 24px;
}

/* ==================== 左侧主要内容区 ==================== */
.main-area {
    flex: 1;
    min-width: 0;
}

/* 文章列表卡片（整合筛选栏和列表） */
.article-list-card {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

/* 列表头部 */
.list-header {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

/* 筛选栏 */
.filter-categories {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-item {
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 14px;
    color: var(--gray-600);
    text-decoration: none;
    transition: all var(--transition-fast);
    background: transparent;
}

.filter-item:hover {
    background: var(--primary-bg);
    color: var(--primary-color);
}

.filter-item.active {
    background: var(--primary-color);
    color: #fff;
}

/* 排序 */
.filter-sort {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sort-label {
    font-size: 14px;
    color: var(--gray-600);
}

.sort-select {
    padding: 6px 10px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--gray-700);
    background: #fff;
    cursor: pointer;
    outline: none;
}

.sort-select:focus {
    border-color: var(--primary-color);
}

/* ==================== 文章列表 ==================== */
.article-list {
    display: flex;
    flex-direction: column;
}

/* 文章卡片 */
.article-card {
    display: flex;
    gap: 20px;
    background: #fff;
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
}

.article-card:last-child {
    border-bottom: none;
}

.article-card:hover {
    background: var(--gray-50);
}

/* 文章图片 */
.article-image {
    flex: 0 0 200px;
    height: 140px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-category {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    color: #fff;
    font-size: 12px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

/* 分类颜色 */
.article-category.category-tutorial {
    background: #3b82f6;
}

.article-category.category-tips {
    background: #10b981;
}

.article-category.category-news {
    background: #f59e0b;
}

.article-category.category-review {
    background: #8b5cf6;
}

/* 文章内容 */
.article-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.article-title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 12px;
}

.article-title a {
    color: var(--gray-800);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.article-title a:hover {
    color: var(--primary-color);
}

.article-summary {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 文章元信息 */
.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    flex-wrap: wrap;
    gap: 10px;
}

.meta-left {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray-500);
}

.meta-item svg {
    color: var(--gray-400);
}

.meta-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.meta-tags .tag {
    padding: 4px 10px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.meta-tags .tag:hover {
    background: var(--primary-bg);
    color: var(--primary-color);
}

/* ==================== 分页 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 20px;
    border-top: 1px solid var(--gray-200);
}

.page-btn,
.page-num {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    font-size: 14px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.page-btn {
    background: #fff;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
}

.page-btn:hover:not(.disabled) {
    background: var(--primary-bg);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-num {
    background: #fff;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.page-num:hover {
    background: var(--primary-bg);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-num.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.page-ellipsis {
    color: var(--gray-400);
    padding: 0 8px;
}

/* ==================== 右侧侧边栏 ==================== */
.sidebar {
    flex: 0 0 320px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* 覆盖.mb-20的margin-bottom，仅作用于当前页面的侧边栏卡片 */
.sidebar .card.mb-20 {
    margin-bottom: 0;
}

.sidebar-widget {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-100);
}

.widget-title svg {
    color: var(--primary-color);
}

/* 搜索框 */
.widget-search {
    display: flex;
    gap: 8px;
}

.widget-search input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition-fast);
}

.widget-search input:focus {
    border-color: var(--primary-color);
}

.widget-search .search-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.widget-search .search-btn:hover {
    background: var(--primary-hover);
}

/* 热门文章 */
.hot-articles {
    list-style: none;
}

.hot-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--gray-100);
}

.hot-item:last-child {
    border-bottom: none;
}

.hot-rank {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.hot-item:nth-child(1) .hot-rank {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    color: #fff;
}

.hot-item:nth-child(2) .hot-rank {
    background: linear-gradient(135deg, #ffa726 0%, #ff9800 100%);
    color: #fff;
}

.hot-item:nth-child(3) .hot-rank {
    background: linear-gradient(135deg, #66bb6a 0%, #4caf50 100%);
    color: #fff;
}

.hot-link {
    font-size: 14px;
    color: var(--gray-700);
    text-decoration: none;
    line-height: 1.5;
    transition: color var(--transition-fast);
}

.hot-link:hover {
    color: var(--primary-color);
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    padding: 6px 12px;
    background: var(--gray-100);
    color: var(--gray-600);
    font-size: 13px;
    border-radius: 20px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.tag-item:hover {
    background: var(--primary-color);
    color: #fff;
}

/* 推荐作者 */
.author-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.author-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.author-item:hover {
    background: var(--gray-50);
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.author-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
}

.author-count {
    font-size: 12px;
    color: var(--gray-500);
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1200px) {
    .content-wrapper {
        flex-direction: column;
    }

    .sidebar {
        flex: 1;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .list-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }

    .article-card {
        flex-direction: column;
    }

    .article-image {
        flex: none;
        width: 100%;
        height: 180px;
    }

    .filter-categories {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
        width: 100%;
    }

    .filter-sort {
        width: 100%;
        justify-content: flex-end;
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .pagination {
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .main-content {
        padding: 20px 0 30px;
    }

    .article-card {
        padding: 16px;
    }

    .article-title {
        font-size: 16px;
    }

    .article-summary {
        font-size: 13px;
    }

    .sidebar-widget {
        padding: 16px;
    }
}

/* ==================== 热门推荐栏目样式（来自list.css）==================== */
.rank-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rank-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0px 0px 12px 0px;
    border-bottom: 1px solid var(--gray-100);
}

.rank-item:last-child {
    border-bottom: none;
}

.rank-item:hover {
    background-color: var(--gray-50);
    border-radius: var(--radius-sm);
}

.rank-logo {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.rank-logo.small {
    width: 32px;
    height: 32px;
}

.rank-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rank-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.rank-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-800);
    transition: color 150ms ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-decoration: none;
}

.rank-name:hover {
    color: var(--primary-color);
}

.rank-downloads,
.rank-date {
    font-size: 12px;
    color: var(--gray-500);
}

.rank-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.rank-category {
    font-size: 11px;
    color: var(--primary-color);
    background: rgba(59, 130, 246, 0.1);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

/* 排名数字样式 */
.rank-number {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.rank-number.hot {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    color: white;
}

.rank-number.top {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    color: white;
}

.rank-number.new {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}