/* ===== 新闻详情页面样式 - 现代简洁版本 ===== */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    padding: 2rem 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

/* 面包屑导航 */
.breadcrumb-nav {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-nav a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb-nav a:hover {
    color: white;
}

.breadcrumb-nav span {
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb-nav i {
    font-size: 0.8rem;
}

/* 主要内容区域 */
.main-content {
    background: var(--gray-50);
    padding: 6rem 0 4rem;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* 文章主体 */
.article-main {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* 文章头部 */
.article-header {
    padding: 3rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid var(--gray-200);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-600);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-pill);
    font-size: 0.85rem;
    font-weight: 500;
}

.publish-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.article-summary {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--gray-700);
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-500);
}

.article-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.article-tags .tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-pill);
    font-size: 0.85rem;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.article-tags .tag:hover {
    background: var(--primary-100);
    color: var(--primary-700);
    border-color: var(--primary-200);
}

/* 文章特色图片 */
.article-hero-image {
    padding: 2rem 3rem;
    text-align: center;
}

.article-hero-image img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.article-hero-image img:hover {
    transform: scale(1.02);
}

.image-caption {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--gray-600);
    font-style: italic;
}

/* 文章内容 */
.article-content {
    padding: 0 3rem 3rem;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-100);
}

.content-section h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 1.5rem 0 1rem;
}

.content-section p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--gray-700);
}

/* 优势网格 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.advantage-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500) 0%, var(--primary-700) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    position: relative;
}

.advantage-icon::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.3;
}

.advantage-icon i {
    font-size: 1.8rem;
    color: white;
}

.advantage-card h3 {
    color: var(--gray-900);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.advantage-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

/* 引用框 */
.quote-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--border-radius-lg);
    margin: 2rem 0;
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--primary-500);
}

.quote-box blockquote {
    margin: 0;
    padding: 2rem;
    font-style: italic;
    font-size: 1.1rem;
    color: var(--gray-800);
    line-height: 1.6;
    position: relative;
}

.quote-box blockquote i {
    font-size: 2rem;
    color: var(--primary-500);
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    left: 1rem;
}

.quote-box cite {
    display: block;
    margin-top: 1rem;
    font-weight: 600;
    color: var(--primary-600);
    font-style: normal;
    text-align: right;
    padding-right: 2rem;
}

/* 技术网格 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.tech-item {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500) 0%, var(--primary-700) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.tech-item:hover::before {
    transform: scaleX(1);
}

.tech-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    position: relative;
}

.tech-icon::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.3;
}

.tech-icon i {
    font-size: 1.8rem;
    color: white;
}

.tech-item h4 {
    color: var(--gray-900);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.tech-item p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.5;
}

/* 服务升级列表 */
.service-upgrade-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 1.5rem 0;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-500);
    transition: var(--transition);
}

.service-item:hover {
    background: var(--primary-50);
    transform: translateX(5px);
}

.service-item i {
    color: var(--primary-600);
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.service-item span {
    color: var(--gray-700);
    font-size: 0.95rem;
}

/* 总结框 */
.conclusion-box {
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--primary-500);
}

.conclusion-icon {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.conclusion-icon i {
    font-size: 1.5rem;
    color: var(--primary-600);
}

.conclusion-box p {
    margin: 0;
    font-size: 1.05rem;
    color: var(--primary-800);
    line-height: 1.6;
}

/* 文章底部 */
.article-footer {
    padding: 2rem 3rem;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.article-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--gray-300);
    background: white;
    color: var(--gray-700);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
}

.action-btn:hover {
    background: var(--primary-50);
    color: var(--primary-700);
    border-color: var(--primary-200);
}

.article-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    border: 1px solid var(--gray-200);
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-details h4 {
    margin: 0 0 0.25rem;
    color: var(--gray-900);
    font-size: 1.1rem;
}

.author-details p {
    margin: 0 0 0.5rem;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.author-stats {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--gray-500);
}

.author-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* 侧边栏 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-900);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-100);
}

.sidebar-title i {
    color: var(--primary-600);
    font-size: 1.1rem;
}

/* 相关新闻列表 */
.related-news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.related-news-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.related-news-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.related-link {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    text-decoration: none;
    color: inherit;
}

.related-image {
    flex-shrink: 0;
    width: 80px;
    height: 60px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-content h4 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
    line-height: 1.4;
}

.related-meta {
    font-size: 0.8rem;
    color: var(--gray-600);
}

/* 标签云 */
.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tags-cloud .tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-pill);
    font-size: 0.85rem;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.tags-cloud .tag:hover {
    background: var(--primary-100);
    color: var(--primary-700);
    border-color: var(--primary-200);
    transform: translateY(-2px);
}

/* 分享按钮 */
.share-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.1rem;
}

.share-btn.wechat {
    background: #07c160;
    color: white;
}

.share-btn.weibo {
    background: #e6162d;
    color: white;
}

.share-btn.linkedin {
    background: #0077b5;
    color: white;
}

.share-btn.email {
    background: var(--gray-600);
    color: white;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* 新闻时间线 */
.news-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.timeline-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.timeline-item:hover {
    background: var(--primary-50);
}

.timeline-date {
    flex-shrink: 0;
    background: var(--primary-600);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    min-width: 60px;
}

.timeline-content h4 {
    margin: 0;
    font-size: 0.9rem;
    color: var(--gray-900);
    line-height: 1.4;
}

/* 相关推荐区域 */
.related-section {
    background: white;
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.related-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.card-content p {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary-700);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }
    
    .article-header {
        padding: 2rem;
    }
    
    .article-content {
        padding: 0 2rem 2rem;
    }
    
    .article-hero-image {
        padding: 1.5rem 2rem;
    }
    
    .article-footer {
        padding: 1.5rem 2rem;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .article-stats {
        gap: 1rem;
    }
    
    .article-actions {
        gap: 0.75rem;
    }
    
    .action-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: 1.8rem;
    }
    
    .content-section h2 {
        font-size: 1.5rem;
    }
    
    .content-section h3 {
        font-size: 1.3rem;
    }
    
    .sidebar-section {
        padding: 1.5rem;
    }
    
    .related-link {
        flex-direction: column;
    }
    
    .related-image {
        width: 100%;
        height: 120px;
    }
}

/* 动画效果 */
.fade-in {
    animation: fadeIn 0.8s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .article-main {
        border: 3px solid #000;
    }
    
    .sidebar-section {
        border: 3px solid #000;
    }
    
    .advantage-card {
        border: 3px solid #000;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .fade-in {
        animation: none;
    }
    
    .advantage-card:hover {
        transform: none;
    }
    
    .tech-item:hover {
        transform: none;
    }
    
    .related-card:hover {
        transform: none;
    }
}