/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #0060af 0%, #1976d2 100%);
    color: white;
    padding: 40px 0;
    margin-bottom: 30px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.page-title h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin: 0;
}

.search-section {
    flex: 1;
    max-width: 400px;
    margin-left: auto;
}

.search-box {
    position: relative;
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.7);
    z-index: 2;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: white;
    padding: 12px 15px 12px 45px;
    font-size: 16px;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 12px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

/* 分类导航 */
.category-nav {
    background: white;
    border-bottom: 1px solid #e8eaec;
    margin-bottom: 30px;
}

.nav-tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
    padding: 0;
}

.nav-tab {
    display: block;
    padding: 15px 20px;
    color: #666;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
    position: relative;
}

.nav-tab:hover {
    color: #0060af;
    background: #f8f9fa;
}

.nav-tab.active {
    color: #0060af;
    border-bottom-color: #0060af;
    background: #f8f9fa;
}

/* 内容布局 */
.content-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
    align-items: start;
}

/* 文章列表 */
.article-list {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e8eaec;
    background: #f8f9fa;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sort-label {
    color: #666;
    font-weight: 500;
}

.sort-option {
    color: #666;
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.sort-option:hover,
.sort-option.active {
    color: #0060af;
    background: rgba(33, 150, 243, 0.1);
}

.view-mode {
    display: flex;
    gap: 5px;
}

.view-btn {
    background: none;
    border: 1px solid #ddd;
    padding: 8px 12px;
    cursor: pointer;
    color: #666;
    transition: all 0.3s ease;
}

.view-btn:first-child {
    border-radius: 4px 0 0 4px;
}

.view-btn:last-child {
    border-radius: 0 4px 4px 0;
}

.view-btn.active {
    background: #0060af;
    color: white;
    border-color: #0060af;
}

/* 文章项 */
.articles-container {
    padding: 0;
}

.article-item {
    padding: 25px;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.article-item:hover {
    background: #fafbfc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

/* 文章布局 */
.article-layout {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.article-thumbnail {
    flex-shrink: 0;
    width: 200px;
    height: 140px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.article-thumbnail:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.article-thumbnail a {
    display: block;
    width: 100%;
    height: 100%;
}

.article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.article-content {
    flex: 1;
    min-width: 0;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 14px;
    color: #666;
}

.article-category {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.article-date {
    color: #999;
}

.article-views {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #999;
}

.article-title {
    margin: 0 0 15px 0;
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.4;
}

.article-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-title a:hover {
    color: #0060af;
}

.article-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.tag {
    background: #f0f0f0;
    color: #666;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.tag:hover {
    background: #0060af;
    color: white;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.author-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.author-name {
    color: #666;
    font-size: 14px;
}

.article-stats {
    display: flex;
    gap: 15px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #999;
    font-size: 14px;
}

/* 分页 */
.pagination-wrapper {
    padding: 30px;
    text-align: center;
    background: #f8f9fa;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.page-numbers {
    display: inline-block;
    min-width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: white;
    border: 1px solid #ddd;
    border-radius: 6px;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0 10px;
}

.page-numbers:hover {
    background: #0060af;
    color: white;
    border-color: #0060af;
    transform: translateY(-1px);
}

.page-numbers.current {
    background: #0060af;
    color: white;
    border-color: #0060af;
    font-weight: 600;
}

.page-numbers.prev,
.page-numbers.next {
    padding: 0 15px;
    font-weight: 500;
}

.page-numbers.prev:hover,
.page-numbers.next:hover {
    background: #0060af;
    color: white;
    border-color: #0060af;
    transform: translateY(-1px);
}

/* 侧边栏 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-widget {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 20px;
    margin: 0;
    background: linear-gradient(135deg, #0060af, #1976d2);
    color: white;
    font-size: 16px;
    font-weight: 600;
}

.widget-title i {
    font-size: 14px;
}

/* 置顶文章 */
.top-articles {
    padding: 0;
}

.top-article-item {
    display: flex;
    gap: 12px;
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.3s ease;
    position: relative;
}

.top-article-item:hover {
    background: #f8f9fa;
}

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

.top-article-item::before {
    content: none;
}

.top-article-thumb {
    flex-shrink: 0;
    width: 85px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.top-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.top-article-item:hover .top-article-thumb img {
    transform: scale(1.05);
}

.top-article-content {
    flex: 1;
    min-width: 0;
}

.top-article-title {
    margin: 0 0 8px 0;
    font-size: 14px;
    line-height: 1.4;
    font-weight: 600;
}

.top-article-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.top-article-title a:hover {
    color: #0060af;
}

.top-article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #999;
}

.top-article-views {
    display: flex;
    align-items: center;
    gap: 3px;
}

/* 热门文章 */
.hot-articles {
    padding: 0;
}

.hot-article-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.3s ease;
}

.hot-article-item:hover {
    background: #f8f9fa;
}

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

.hot-article-rank {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    background: #0060af;
    color: white;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
}

.hot-article-rank:nth-child(1) {
    background: #ff6b6b;
}

.hot-article-rank:nth-child(2) {
    background: #ffa726;
}

.hot-article-rank:nth-child(3) {
    background: #66bb6a;
}

.hot-article-content {
    flex: 1;
    min-width: 0;
}

.hot-article-title {
    margin: 0 0 8px 0;
    font-size: 14px;
    line-height: 1.4;
}

.hot-article-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.hot-article-title a:hover {
    color: #0060af;
}

.hot-article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #999;
}

.hot-article-views {
    display: flex;
    align-items: center;
    gap: 3px;
}

/* 最新文章 */
.latest-articles {
    padding: 0;
}

.latest-article-item {
    display: flex;
    gap: 12px;
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.3s ease;
}

.latest-article-item:hover {
    background: #f8f9fa;
}

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

.latest-article-thumb {
    flex-shrink: 0;
    width: 60px;
    height: 45px;
    border-radius: 4px;
    overflow: hidden;
}

.latest-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.latest-article-content {
    flex: 1;
    min-width: 0;
}

.latest-article-title {
    margin: 0 0 8px 0;
    font-size: 14px;
    line-height: 1.4;
}

.latest-article-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.latest-article-title a:hover {
    color: #667eea;
}

.latest-article-meta {
    font-size: 12px;
    color: #999;
}

/* 标签云 */
.tag-cloud {
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    display: inline-block;
    padding: 6px 12px;
    background: #f0f0f0;
    color: #666;
    text-decoration: none;
    border-radius: 15px;
    font-size: 13px;
    transition: all 0.3s ease;
}

.tag-item:hover {
    background: #0060af;
    color: white;
    transform: translateY(-1px);
}

/* 推荐阅读 */
.recommended-articles {
    padding: 0;
}

.recommended-article-item {
    display: flex;
    gap: 12px;
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.3s ease;
}

.recommended-article-item:hover {
    background: #f8f9fa;
}

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

.rec-article-thumb {
    flex-shrink: 0;
    width: 85px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
}

.rec-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rec-article-content {
    flex: 1;
    min-width: 0;
}

.rec-article-title {
    margin: 0 0 8px 0;
    font-size: 14px;
    line-height: 1.4;
}

.rec-article-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.rec-article-title a:hover {
    color: #0060af;
}

.rec-article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #999;
}

.rec-article-category {
    background: #e3f2fd;
    color: #1976d2;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
}

.rec-article-views {
    display: flex;
    align-items: center;
    gap: 3px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .content-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .search-section {
        max-width: 100%;
        margin-left: 0;
    }
    
    .page-title h1 {
        font-size: 2rem;
    }
    
    .nav-tabs {
        padding: 0 10px;
    }
    
    .nav-tab {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .list-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .article-item {
        padding: 20px;
    }
    
    .article-layout {
        flex-direction: column;
        gap: 15px;
    }
    
    .article-thumbnail {
        width: 100%;
        height: 200px;
    }
    
    .article-title {
        font-size: 1.2rem;
    }
    
    .article-footer {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .nav-links {
        flex-wrap: wrap;
        gap: 3px;
    }
    
    .page-numbers {
        min-width: 35px;
        height: 35px;
        line-height: 35px;
        font-size: 14px;
    }
    
    .page-numbers.prev,
    .page-numbers.next {
        padding: 0 10px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 30px 0;
    }
    
    .page-title h1 {
        font-size: 1.8rem;
    }
    
    .search-box {
        flex-direction: column;
        gap: 10px;
    }
    
    .search-box input {
        padding: 12px 15px;
    }
    
    .search-btn {
        border-radius: 6px;
    }
    
    .article-meta {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .article-stats {
        gap: 10px;
    }
}