/* 文章列表页面样式 */
.articles-main {
    padding-top: 6rem;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.articles-header {
    text-align: center;
    margin-bottom: 3rem;
}

.articles-header h1 {
    font-size: 2.5rem;
    color: #1e40af;
    margin-bottom: 1rem;
}

.articles-header p {
    color: #64748b;
    font-size: 1.2rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 1rem;
}

.article-card {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.article-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

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

.article-content {
    padding: 1.5rem;
}

.article-content h2 {
    font-size: 1.25rem;
    color: #1e40af;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.article-meta {
    color: #64748b;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.article-excerpt {
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.article-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 500;
    display: inline-block;
    transition: color 0.3s ease;
}

.article-link:hover {
    color: #1d4ed8;
}

/* 导航栏激活状态 */
.nav-links a.active {
    color: #2563eb;
    font-weight: 500;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .articles-main {
        padding-top: 5rem;
    }

    .articles-header h1 {
        font-size: 2rem;
    }

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