.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 120px 0 80px;
    text-align: center;
    color: var(--text-light);
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 20px;
    opacity: 0.9;
}

.news-container {
    padding: 60px 0 100px;
    background: var(--bg-secondary);
}

.news-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
}

.news-main {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.news-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.news-tabs .tab-btn {
    padding: 10px 24px;
    background: var(--bg-secondary);
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.news-tabs .tab-btn:hover {
    background: var(--primary-color);
    color: var(--text-light);
}

.news-tabs .tab-btn.active {
    background: var(--primary-color);
    color: var(--text-light);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.news-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    padding: 24px;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.news-card.featured {
    grid-template-columns: 1fr;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.05), rgba(30, 58, 95, 0.02));
    border: 2px solid var(--primary-color);
}

.news-card.featured .news-image {
    height: 300px;
}

.news-image {
    height: 200px;
    background: var(--bg-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.news-image i {
    font-size: 64px;
    color: var(--primary-color);
    opacity: 0.3;
    transition: var(--transition);
}

.news-card:hover .news-image i {
    opacity: 0.5;
    transform: scale(1.1);
}

.news-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 12px;
    background: var(--accent-color);
    color: var(--text-light);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
}

.news-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.news-meta {
    display: flex;
    gap: 16px;
    align-items: center;
}

.news-category {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
}

.news-category.company {
    background: var(--primary-color);
}

.news-category.industry {
    background: var(--accent-color);
}

.news-category.faq {
    background: #27ae60;
}

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

.news-content h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

.news-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
    transition: var(--transition);
    align-self: flex-start;
}

.read-more:hover {
    color: var(--accent-color);
    gap: 12px;
}

.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.sidebar-section {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.sidebar-section h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.hot-articles {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.hot-articles li a {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
}

.hot-articles li a:hover {
    gap: 16px;
}

.article-rank {
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: var(--text-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.hot-articles li:nth-child(1) .article-rank {
    background: var(--accent-color);
}

.hot-articles li:nth-child(2) .article-rank {
    background: #e74c3c;
}

.hot-articles li:nth-child(3) .article-rank {
    background: #f39c12;
}

.article-title {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.4;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item span {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.contact-item strong {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateX(4px);
}

.social-link:hover span {
    color: var(--text-light);
}

.social-link i {
    font-size: 20px;
}

.social-link.weixin i {
    color: #07c160;
}

.social-link.weibo i {
    color: #e6162d;
}

.social-link span {
    font-size: 14px;
    color: var(--text-primary);
    transition: var(--transition);
}

/* 新闻详情页样式 */
.news-detail-container {
    padding: 40px 0 100px;
    background: var(--bg-secondary);
}

.news-detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
}

.news-detail-main {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.news-detail-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.news-detail-meta .news-category {
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
}

.news-detail-meta .news-date {
    color: var(--text-secondary);
    font-size: 14px;
}

.news-detail-meta .news-author {
    color: var(--text-secondary);
    font-size: 14px;
}

.news-detail-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
}

.news-detail-image {
    width: 100%;
    height: 400px;
    background: var(--bg-secondary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
    overflow: hidden;
}

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

.news-detail-image i {
    font-size: 80px;
    color: var(--border-color);
}

.news-detail-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

.news-detail-content p {
    margin-bottom: 16px;
}

.news-detail-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}

.news-detail-footer {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.news-share {
    display: flex;
    align-items: center;
    gap: 12px;
}

.news-share span {
    color: var(--text-secondary);
    font-size: 14px;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    transition: var(--transition);
}

.share-btn:hover {
    background: var(--primary-color);
    color: var(--text-light);
}

.share-btn.weixin:hover {
    background: #07c160;
}

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

.share-btn.qq:hover {
    background: #12b7f5;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-back:hover {
    background: var(--primary-color);
    color: var(--text-light);
}

.news-detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.related-news {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.related-news li a {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition);
    color: var(--text-primary);
}

.related-news li a:hover {
    color: var(--primary-color);
    gap: 16px;
}

.error-message {
    text-align: center;
    padding: 60px 20px;
    color: #e74c3c;
    font-size: 18px;
}

.error-message i {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.no-data {
    color: var(--text-secondary);
    font-size: 14px;
}

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

    .news-sidebar {
        display: none;
    }

    .news-detail-layout {
        grid-template-columns: 1fr;
    }

    .news-detail-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .news-card {
        grid-template-columns: 1fr;
    }

    .news-card.featured .news-image {
        height: 200px;
    }

    .news-tabs {
        flex-wrap: wrap;
    }

    .news-main {
        padding: 20px;
    }

    .news-detail-main {
        padding: 24px;
    }

    .news-detail-header h1 {
        font-size: 24px;
    }

    .news-detail-image {
        height: 250px;
    }

    .news-detail-meta {
        gap: 12px;
    }

    .news-detail-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 36px;
    }

    .page-header p {
        font-size: 16px;
    }

    .news-card {
        padding: 16px;
    }

    .news-content h2 {
        font-size: 18px;
    }
}