/* 文章详情页面样式 */

.page-header {
    background-color: var(--color-primary);
    color: var(--color-light);
    padding: var(--spacing-lg) 0;
}
.breadcrumb {
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-small);
}
.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}
.breadcrumb a:hover {
    color: var(--color-accent);
}
.breadcrumb span {
    margin: 0 6px;
    color: rgba(255, 255, 255, 0.6);
}
.page-header h1 {
    font-size: var(--font-size-h1);
    color: var(--color-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    max-width: 900px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: var(--font-size-small);
    color: rgba(255, 255, 255, 0.9);
}
.meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}
.meta-item i {
    color: var(--color-accent);
}
.article-tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}
.article-tag {
    padding: 4px 12px;
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-light);
    border-radius: 4px;
    font-size: var(--font-size-small);
    font-weight: 500;
}

.article-section {
    padding: var(--spacing-xl) 0;
}
.main-wrapper {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}
.article-content {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}
.sidebar-widget {
    background-color: var(--color-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
}
.widget-title {
    font-size: var(--font-size-h5);
    margin: 0 0 var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-border);
    position: relative;
}
.widget-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--color-accent);
}
.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.toc-list li {
    margin-bottom: var(--spacing-xs);
}
.toc-list a {
    display: block;
    padding: 6px 0;
    color: var(--color-dark);
    font-size: var(--font-size-small);
    border-left: 2px solid transparent;
    padding-left: 12px;
    transition: all 0.2s ease;
    line-height: 1.5;
}
.toc-list a:hover,
.toc-list a.active {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    padding-left: 16px;
}
.toc-list .toc-h2 {
    font-weight: 600;
}
.toc-list .toc-h3 {
    padding-left: 24px;
    font-size: 13px;
}

.download-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin: var(--spacing-md) 0;
    transition: all 0.3s ease;
}
.download-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.download-icon {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    background-color: var(--color-primary);
    color: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}
.download-info {
    flex-grow: 1;
}
.download-info h4 {
    font-size: 16px;
    margin: 0 0 4px;
}
.download-info p {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    margin: 0;
}
.download-btn {
    flex-shrink: 0;
}

.related-section {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-lg);
}
.related-title {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-md);
}
.related-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}
.related-card {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: all 0.3s ease;
}
.related-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}
.related-card h4 {
    font-size: 16px;
    margin: 0 0 var(--spacing-xxs);
}
.related-card p {
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    margin: 0 0 var(--spacing-sm);
}

.contact-widget {
    background-color: var(--color-primary);
    color: var(--color-light);
    text-align: center;
}
.contact-widget .widget-title {
    color: var(--color-light);
    border-color: rgba(255, 255, 255, 0.2);
}
.contact-widget p {
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}
.contact-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}
.contact-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
}
.contact-list i {
    color: var(--color-accent);
    width: 20px;
}

.hot-article-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.hot-article-list li {
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px dashed var(--color-border);
}
.hot-article-list li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}
.hot-article-list a {
    color: var(--color-dark);
    display: flex;
    gap: var(--spacing-xs);
    transition: all 0.2s ease;
}
.hot-article-list a:hover {
    color: var(--color-accent);
}
.hot-article-list .num {
    width: 24px;
    height: 24px;
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-small);
    font-weight: 700;
    flex-shrink: 0;
}
.hot-article-list li:nth-child(1) .num,
.hot-article-list li:nth-child(2) .num,
.hot-article-list li:nth-child(3) .num {
    background-color: var(--color-accent);
    color: var(--color-light);
}

@media (max-width: 1024px) {
    .main-wrapper {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: static;
    }
}
@media (max-width: 768px) {
    .article-content {
        padding: var(--spacing-md);
    }
    .download-card {
        flex-direction: column;
        text-align: center;
    }
    .download-btn {
        width: 100%;
    }
    .related-cards {
        grid-template-columns: 1fr;
    }
}