/* Header */
.site-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-align: center;
    font-weight: normal;
}

.main-nav {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.main-nav a {
    font-weight: 500;
    font-size: 1.1rem;
    transition: opacity 0.3s;
}

/* Article Cards */
.article-card {
    border: 1px solid #eee;
    padding: 30px;
    transition: all 0.3s;
    cursor: pointer;
}

.article-card:hover {
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.article-card-title {
    font-size: 1.4rem;
    margin-bottom: 12px;
    font-weight: bold;
}

.article-card-meta {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 15px;
}

.article-card-excerpt {
    line-height: 1.6;
    color: #555;
}

/* Article Page */
.article-header {
    text-align: center;
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.article-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.article-meta {
    font-size: 1rem;
    color: #666;
    margin-bottom: 15px;
}

.article-excerpt {
    font-size: 1.2rem;
    font-style: italic;
    color: #555;
    max-width: 600px;
    margin: 0 auto;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content p {
    margin-bottom: 25px;
}

.back-link {
    display: inline-block;
    margin-bottom: 30px;
    color: #666;
    font-size: 0.9rem;
}

.back-link:hover {
    color: #333;
}

@media (max-width: 768px) {
    .site-title {
        font-size: 2rem;
    }
    
    .main-nav {
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .article-title {
        font-size: 2rem;
    }
    
    .article-card {
        padding: 20px;
    }
}