/* 自定义样式补充Bootstrap */
body {
    background-color: #f8f9fa;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.navbar-brand {
    font-weight: bold;
    color: #3498db !important;
}

.blog-header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.article-card {
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 1.5rem;
}

    .article-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.1) !important;
    }

.category-badge {
    position: absolute;
    top: 10px;
    right: 10px;
}

.sidebar-card {
    position: sticky;
    top: 100px;
}

.footer {
    background-color: #2c3e50;
    color: white;
    margin-top: auto;
}

.tag-cloud a {
    display: inline-block;
    background-color: #e9ecef;
    color: #495057;
    padding: 0.25rem 0.75rem;
    margin: 0.25rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s;
}

    .tag-cloud a:hover {
        background-color: #3498db;
        color: white;
    }

.article-meta {
    font-size: 0.875rem;
    color: #6c757d;
}