/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    padding: 40px 0;
    margin-bottom: 30px;
}

.page-title {
    font-weight: 700;
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

/* 分类标签 */
.category-tags {
    margin-bottom: 30px;
}

.category-tag {
    display: inline-block;
    padding: 8px 20px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    margin-right: 10px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.category-tag:hover, .category-tag.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.category-tag.source-tag {
    background: #ff4d4f;
    color: white;
    border-color: #ff4d4f;
}

.category-tag.source-tag:hover {
    background: #ff7875;
    border-color: #ff7875;
}

/* 文章列表 */
.article-list {
    margin-bottom: 50px;
}

.page-article-card {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.page-article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.page-article-content {
    display: flex;
    padding: 25px;
}

.page-article-image {
    width: 280px;
    height: 180px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    margin-right: 25px;
}

.page-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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


.page-article-text {
    flex: 1;
}

.page-article-title {
    font-weight: 700;
    font-size: 1.5rem;
    line-height: 1.4;
    margin-bottom: 12px;
}

.page-article-title a {
    color: var(--text-primary);
    text-decoration: none;
}

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

.page-article-excerpt {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.page-article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.page-article-source {
    display: inline-block;
    padding: 4px 10px;
    background: #ff4d4f;
    color: white;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.page-article-topic {
    color: var(--text-light);
    font-size: 13px;
}

.page-article-time {
    color: var(--text-light);
    font-size: 13px;
}

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

.page-article-tags .article-tag {
    padding: 4px 10px;
    background: var(--bg-light);
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* 侧边栏 */
.sidebar-section {
    background: white;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 20px;
}

.sidebar-title {
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
}

/* 热门文章 */
.hot-article-item {
    display: flex;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.hot-article-rank {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    background: var(--bg-light);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    margin-right: 12px;
    flex-shrink: 0;
}

.hot-article-rank.top-1 {
    background: #ff4d4f;
    color: white;
}

.hot-article-rank.top-2 {
    background: #fa8c16;
    color: white;
}

.hot-article-rank.top-3 {
    background: #52c41a;
    color: white;
}

.hot-article-content {
    flex: 1;
}

.hot-article-title {
    font-weight: 500;
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 3px;
}

.hot-article-title a {
    color: var(--text-primary);
    text-decoration: none;
}

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

.hot-article-meta {
    font-size: 12px;
    color: var(--text-light);
}

/* 分页 */
.pagination {
    margin-top: 40px;
}

.page-link {
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    margin: 0 5px;
    border-radius: 6px;
}

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

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}
/* 响应式调整 */
@media (max-width: 768px) {
    .page-article-content {
        flex-direction: column;
    }

    .page-article-image {
        width: 100%;
        height: 200px;
        margin-right: 0;
        margin-bottom: 20px;
    }

    .page-title {
        font-size: 1.8rem;
    }

    .page-article-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .page-article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .page-page-header {
        padding: 30px 0;
    }
}