:root {
    --primary-color: #2563eb;
    --text-color: #1f2937;
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --hover-color: #3b82f6;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.header {
    background: var(--card-bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.site-title:hover {
    color: var(--hover-color);
}

.main-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* 文章页面样式 */
.article-container {
    background: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 2rem;
}

.article-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0 0 1.5rem 0;
    line-height: 1.4;
}

.article-meta {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-color);
}

.article-content p {
    margin: 1.5rem 0;
}

.article-content a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-content a:hover {
    color: var(--hover-color);
    text-decoration: underline;
}

/* 列表页样式 */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 2rem;
    text-align: center;
}

.article-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 1.5rem;
}

.article-item {
    background: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.article-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.article-link {
    display: block;
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text-color);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.pagination a:hover {
    background: var(--hover-color);
}

/* 页脚样式 */
.footer {
    background: var(--text-color);
    color: white;
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    text-align: center;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* 广告横幅样式 */
.banner-container {
    margin: 2rem 0;
    text-align: center;
}

.banner-image {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.banner-image:hover {
    transform: translateY(-2px);
}

/* 响应式样式 */
@media (max-width: 768px) {
    .main-container {
        padding: 0 1rem;
    }
    
    .article-container {
        padding: 1.5rem;
    }
    
    .article-title {
        font-size: 1.5rem;
    }
    
    .article-content {
        font-size: 1rem;
    }
    
    .article-link {
        padding: 1.25rem;
    }
} 

/* 导航菜单样式 */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: var(--bg-color);
    color: var(--primary-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .header-container {
        padding: 0.75rem 1rem;
    }
    
    .nav-link {
        padding: 0.375rem 0.75rem;
        font-size: 0.875rem;
    }
}