/* 北方钢铁网 - 文章列表样式 */

.articles-section {
    padding: 80px 0;
    background: var(--light-color);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.article-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.article-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 3rem;
}

.article-content {
    padding: 25px;
}

.article-meta {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 12px;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-content h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.article-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 15px;
}

.article-link {
    color: var(--accent-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-link:hover {
    color: var(--primary-color);
}

/* 文章详情页 */
.article-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

.article-detail h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

.article-detail .meta {
    display: flex;
    gap: 20px;
    color: var(--text-light);
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.article-detail .content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
}

.article-detail .content p {
    margin-bottom: 20px;
}

.article-detail .content h2 {
    color: var(--primary-color);
    margin: 30px 0 15px;
    font-size: 1.8rem;
}

.article-detail .content h3 {
    color: var(--dark-color);
    margin: 25px 0 12px;
    font-size: 1.4rem;
}

.article-detail .content ul,
.article-detail .content ol {
    margin: 15px 0;
    padding-left: 25px;
}

.article-detail .content li {
    margin-bottom: 10px;
}

.article-detail .content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

.article-detail .content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.article-detail .content th,
.article-detail .content td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.article-detail .content th {
    background: var(--primary-color);
    color: var(--white);
}

.article-detail .content tr:nth-child(even) {
    background: var(--light-color);
}

/* 相关新闻 */
.related-articles {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 2px solid var(--secondary-color);
}

.related-articles h3 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 1.5rem;
}