/* ============================================
   资讯中心页样式
   ============================================ */

/* 页面 Hero */
.page-hero {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    text-align: center;
}

.page-hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 分类筛选 */
.news-filter {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.filter-tab {
    padding: var(--spacing-xs) var(--spacing-lg);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-tab.active,
.filter-tab:focus {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.filter-tab:focus {
    outline: 2px solid var(--color-primary-dark);
    outline-offset: 2px;
}

/* 置顶文章 */
.news-featured {
    margin-bottom: var(--spacing-xl);
}

.news-featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.news-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-featured-content {
    padding: var(--spacing-xl);
}

.news-featured-content .news-category {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--color-primary);
    background-color: rgba(76, 175, 80, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
}

.news-featured-content h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.news-featured-content h2 a {
    color: var(--color-text);
    text-decoration: none;
}

.news-featured-content h2 a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.news-excerpt {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.read-more {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
}

.read-more:hover {
    text-decoration: underline;
}

/* 资讯网格 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.news-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-image {
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.news-content {
    padding: var(--spacing-lg);
}

.news-content .news-category {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--color-primary);
    background-color: rgba(76, 175, 80, 0.1);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
}

.news-content h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.news-content h3 a {
    color: var(--color-text);
    text-decoration: none;
}

.news-content h3 a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.news-content .news-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-content .news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* 分页 */
.pagination {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.pagination-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.page-link:hover,
.page-link:focus {
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}

.page-link.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.page-ellipsis {
    color: var(--color-text-light);
    padding: 0 var(--spacing-xs);
}

/* 响应式 */
@media (max-width: 991px) {
    .news-featured-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .page-hero h1 {
        font-size: 1.75rem;
    }
    
    .filter-tabs {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-tab {
        text-align: center;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .pagination-list {
        flex-wrap: wrap;
    }
}