.category-header {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    margin-bottom: 30px;
}
.category-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}
.category-description {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
}
.breadcrumb {
    background-color: transparent;
    padding: 0.75rem 0;
    margin-bottom: 1rem;
}
.breadcrumb-item + .breadcrumb-item::before {
    content: ">";
}
/* 新增两列布局样式 */
.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.article-item {
    padding: 20px;
    border-radius: 8px;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}
.article-item:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}
.article-title {
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}
.article-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}
.article-title a:hover {
    color: #007bff;
    text-decoration: none;
}
.article-meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.article-meta span {
    display: flex;
    align-items: center;
}
.article-meta i {
    margin-right: 5px;
    color: #007bff;
}
.article-excerpt {
    color: #555;
    line-height: 1.7;
    margin-bottom: 15px;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
    hyphens: auto;
    max-width: 100%;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
}
.read-more {
    display: inline-block;
    padding: 8px 16px;
    background: #007bff;
    color: white;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.2s;
}
.read-more:hover {
    background: #0069d9;
    color: white;
}
.pagination {
    justify-content: center;
    margin-top: 30px;
}
.pagination .page-item.active .page-link {
    background-color: #007bff;
    border-color: #007bff;
    color: white;
}
.pagination .page-link {
    color: #007bff;
    border: 1px solid #dee2e6;
    margin: 0 5px;
    border-radius: 4px;
}
.pagination .page-link:hover {
    background-color: #f8f9fa;
}
.no-articles {
    padding: 30px;
    text-align: center;
    color: #666;
    font-size: 1.1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    grid-column: 1 / -1;
}
.loading-spinner {
    display: none;
    text-align: center;
    padding: 20px;
    grid-column: 1 / -1;
}
.load-more-btn {
    display: none;
    text-align: center;
    margin: 20px 0;
    grid-column: 1 / -1;
}
@media (max-width: 768px) {
    .category-title {
        font-size: 22px;
    }
    .two-columns {
        grid-template-columns: 1fr;
    }
    .article-title {
        font-size: 1.2rem;
    }
    .article-item {
        padding: 15px;
    }
    .article-meta {
        font-size: 0.8rem;
        gap: 10px;
    }
    .pagination {
        display: none;
    }
    .load-more-btn {
        display: block;
    }
}
/* 移动端图片响应式处理 */
.article-content img,
.article-excerpt img {
    max-width: 100%;
    height: auto;
    display: block;
}
/* 修复移动端表格溢出 */
.article-content table,
.article-excerpt table {
    width: 100% !important;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
}
/* 移动端预格式文本处理 */
.article-content pre,
.article-excerpt pre {
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* 移动端分页样式 */
.mobile-pagination {
    margin: 20px 0;
    padding: 0 5px;
}
.mobile-pagination .btn {
    padding: 8px 5px;
    font-size: 14px;
    min-width: 40px;
    transition: all 0.3s ease;
}
.mobile-pagination .btn-block {
    display: inline-block;
    width: auto;
}
.mobile-pagination .btn-active {
    transform: scale(0.95);
    opacity: 0.8;
}
.mobile-pagination .text-muted {
    font-size: 13px;
    color: #6c757d;
    display: block;
    margin-top: 5px;
}

/* 确保移动端不显示桌面分页 */
@media (max-width: 768px) {
    .pagination {
        display: none !important;
    }
}