/* 新闻页面容器 */
.page-container-news {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    max-width: 1400px;
    margin: 24px auto;
    padding: 0 20px;
}

/* 页面标题 */
.page-header {
    text-align: center;
    margin-bottom: 32px;
    padding: 40px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    color: white;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-header p {
    font-size: 16px;
    opacity: 0.9;
}

/* 分类标签 */
.news-categories {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.category-btn {
    padding: 8px 20px;
    border: 2px solid #e5e7eb;
    background: white;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.2s;
}

.category-btn:hover {
    border-color: #667eea;
    color: #667eea;
}

.category-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
}

/* 新闻列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s;
    cursor: pointer;
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.15);
}

.news-cover {
    width: 240px;
    height: 160px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

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

.news-item:hover .news-cover img {
    transform: scale(1.1);
}

.news-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.news-category {
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    color: #667eea;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.news-date {
    font-size: 13px;
    color: #9ca3af;
}

.news-title {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-excerpt {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.news-stats {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: #9ca3af;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.read-more {
    color: #667eea;
    font-size: 14px;
    font-weight: 600;
}

/* 右侧边栏 */
.sidebar-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.sidebar-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1f2937;
}

.hot-news-list,
.latest-news-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-news-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    background: #f9fafb;
    cursor: pointer;
    transition: all 0.2s;
}

.sidebar-news-item:hover {
    background: #f3f4f6;
}

.sidebar-news-index {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar-news-content {
    flex: 1;
}

.sidebar-news-title {
    font-size: 14px;
    color: #1f2937;
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-news-date {
    font-size: 12px;
    color: #9ca3af;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding: 20px;
    background: white;
    border-radius: 12px;
}

.page-btn {
    padding: 8px 16px;
    border: 1px solid #e5e7eb;
    background: white;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.2s;
}

.page-btn:hover {
    border-color: #667eea;
    color: #667eea;
}

.page-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
}

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

/* 加载状态 */
.loading {
    text-align: center;
    padding: 60px 20px;
    color: #9ca3af;
    font-size: 16px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .page-container-news {
        grid-template-columns: 1fr;
    }

    .news-sidebar {
        display: none;
    }

    .news-item {
        flex-direction: column;
    }

    .news-cover {
        width: 100%;
        height: 200px;
    }
}