/* 新闻详情页样式 */

/* 面包屑导航 */
.breadcrumb {
    padding: var(--spacing-md) 0;
    background: var(--background-light);
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--text-secondary);
}

.breadcrumb-nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-nav a:hover {
    color: var(--primary-color);
}

.breadcrumb-separator {
    color: var(--text-light);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
}

/* 文章头部 */
.article-header {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--background-white);
}

.article-category {
    background: var(--primary-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    display: inline-block;
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.article-meta-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.article-excerpt {
    font-size: 18px;
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    font-style: italic;
}

/* 文章主图轮播 */
.article-hero {
    margin: var(--spacing-xl) 0;
}

.article-hero-carousel {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 580px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.article-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 轮播控制按钮 */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 2;
}

.carousel-btn:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: translateY(-50%) scale(1.1);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 2;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid white;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator.active {
    background: white;
}

.carousel-indicator:hover {
    transform: scale(1.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .carousel-btn {
        width: 40px;
        height: 40px;
    }
    
    .carousel-prev {
        left: 10px;
    }
    
    .carousel-next {
        right: 10px;
    }
    
    .carousel-indicators {
        bottom: 15px;
    }
    
    .carousel-indicator {
        width: 10px;
        height: 10px;
    }
}

/* 文章内容区域 */
.article-layout {
    display: grid;
    margin-bottom: var(--spacing-xl);
}

/* 文章主内容 */
.article-content {
    background: var(--background-white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.article-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    color: var(--text-primary);
    border-left: 4px solid var(--primary-color);
    padding-left: var(--spacing-md);
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    color: var(--text-primary);
}

.article-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.article-content img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin: var(--spacing-lg) 0;
    box-shadow: var(--shadow-sm);
}

.article-content blockquote {
    background: var(--background-light);
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.article-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

/* 文章标签 */
.article-tags {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.article-tags h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    background: var(--background-light);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 12px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
}

/* 侧边栏 */
.article-sidebar {
}

.sidebar-widget {
    background: var(--background-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.sidebar-widget h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-xs);
}

/* 相关文章 */
.related-article {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--transition-fast);
}

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

.related-article:hover {
    background-color: var(--background-light);
    border-radius: 6px;
}

.related-article-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
}

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

.related-article-title {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.related-article-date {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 热门标签 */
.popular-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.popular-tag {
    background: var(--background-light);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.popular-tag:hover {
    background: var(--primary-color);
    color: white;
}

/* 分享按钮 */
.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    text-decoration: none;
    color: white;
    transition: transform var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-2px);
}

.share-btn.wechat {
    background: #07C160;
}

.share-btn.weibo {
    background: #E6162D;
}

.share-btn.linkedin {
    background: #0077B5;
}

.share-btn.email {
    background: #6B7280;
}

/* 导航按钮 */
.article-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--background-light);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    max-width: 200px;
}

.nav-btn:hover {
    background: var(--primary-color);
    color: white;
}

.nav-btn-content {
    display: flex;
    flex-direction: column;
}

.nav-btn-label {
    font-size: 12px;
    opacity: 0.7;
    margin-bottom: 2px;
}

.nav-btn-title {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.3;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .article-layout {
    }
    
    .article-sidebar {
        order: -1;
    }
}

@media (max-width: 768px) {
    .article-title {
        font-size: 24px;
    }
    
    .article-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .article-content {
        padding: var(--spacing-lg);
    }
    
    .article-navigation {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav-btn {
        max-width: 100%;
    }
    
    .share-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 20px;
    }
    
    .article-content h2 {
        font-size: 20px;
    }
    
    .article-content h3 {
        font-size: 18px;
    }
    
    .sidebar-widget {
        padding: var(--spacing-md);
    }
}