/* 新闻中心样式 */
.news-section {
    padding: 4rem 0;
    background: var(--primary-color-10);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.8rem;
    color: var(--primary-color);
    position: relative;
    padding-left: 1.5rem;
}

.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1.2em;
    background: var(--accent-color);
}

.more-link {
    color: #666;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.more-link:hover {
    color: var(--accent-color);
}

/* 特色新闻布局 */
.featured-news {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.main-article {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.article-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s;
}

.article-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
}

.article-title {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
}

.article-date {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

/* 侧边新闻 */
.side-articles {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.top-article {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.article-thumb {
    width: 120px;
    height: 90px;
    object-fit: cover;
    border-radius: 4px;
}

.news-list {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.news-list li {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
}

.news-list li:last-child {
    border-bottom: none;
}

.news-list a {
    display: flex;
    justify-content: space-between;
    color: #444;
}

.news-list a:hover {
    color: var(--accent-color);
}

.news-list span {
    color: #999;
    font-size: 0.9rem;
}

/* 行业资讯网格 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.news-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s;
}

.news-card:hover {
    transform: translateY(-5px);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-date {
    color: #666;
    font-size: 0.9rem;
}

/* 技术文献列表 */
.doc-list {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.doc-list li {
    padding: 1rem 0;
    border-bottom: 1px solid #eee;
}

.doc-list a {
    display: flex;
    justify-content: space-between;
    color: #444;
}

.doc-list a:hover {
    color: var(--accent-color);
}

.doc-list span {
    color: #999;
    font-size: 0.9rem;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .featured-news {
        grid-template-columns: 1fr;
    }

    .article-image {
        height: 250px;
    }

    .article-content {
        padding: 1.5rem;
    }

    .article-title {
        font-size: 1.2rem;
    }

    .top-article {
        flex-direction: column;
    }

    .article-thumb {
        width: 100%;
        height: 150px;
    }

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

@media (max-width: 480px) {
    .section-title {
        font-size: 1.4rem;
    }

    .article-excerpt {
        display: none;
    }
}