/* 博客通用样式 */
.blog-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-dark-secondary);
}

/* 博客文章页容器（为正文提供舒适的阅读宽度与留白）*/
.blog-post {
    max-width: 860px;           /* 阅读宽度 */
    margin: 0 auto;             /* 居中 */
    background: var(--color-surface);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

/* 博客列表页样式 */
.blog-header {
    text-align: center;
    margin-bottom: 4rem;
    padding: 2rem;
    background: var(--color-surface);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.blog-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.blog-header p {
    font-size: 1.25rem;
    color: var(--color-muted);
    max-width: 600px;
    margin: 0 auto;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.blog-card {
    background: var(--color-surface);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.blog-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.blog-card-content {
    padding: 1.5rem 2rem 2rem;
}

.blog-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.blog-card h2 a {
    color: inherit;
    text-decoration: none;
}

.blog-card h2 a:hover {
    color: var(--brand-blue);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-date, .blog-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-excerpt {
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--brand-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background: var(--bg-dark-secondary);
}

.read-more:hover {
    color: var(--brand-blue-strong);
    background: var(--bg-dark-tertiary);
}

.read-more::after {
    content: "→";
    margin-left: 0.5rem;
    transition: transform 0.2s ease;
}

.read-more:hover::after {
    transform: translateX(4px);
}

.post-header {
    text-align: center;
    margin-bottom: 2rem;
}

.post-title {
    font-size: clamp(2rem, 3vw, 2.75rem);
    line-height: 1.2;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.post-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    color: var(--color-muted);
}

.post-date, .post-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Markdown 内容样式 */
.markdown-body {
    color: var(--color-text);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    margin-top: 2em;
    margin-bottom: 1em;
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

.markdown-body h1 {
    font-size: 2.25rem;
}

.markdown-body h2 {
    font-size: 1.75rem;
}

.markdown-body h3 {
    font-size: 1.5rem;
}

.markdown-body p {
    margin-bottom: 1.5em;
    color: var(--color-text);
}

.markdown-body a {
    color: var(--brand-blue);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body code {
    background: var(--bg-dark-tertiary);
    color: var(--color-text);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-size: 0.9em;
}

.markdown-body pre {
    background: var(--bg-dark-secondary);
    padding: 1.5rem;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1.5em 0;
    border: 1px solid var(--color-border);
}

.markdown-body pre code {
    background: none;
    padding: 0;
}

.markdown-body blockquote {
    border-left: 4px solid var(--brand-blue);
    padding-left: 1.5rem;
    margin: 1.5em 0;
    color: var(--color-muted);
    background: var(--bg-dark-secondary);
    padding: 1rem 1.5rem;
    border-radius: 0 8px 8px 0;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 1.5em 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .blog-container {
        padding: 1rem;
        background-color: var(--color-surface);
    }
    
    .blog-header {
        padding: 1rem;
        box-shadow: none;
    }
    
    .blog-post {
        padding: 1rem;
        box-shadow: none;
        border-radius: 12px;
    }
    
    .blog-header h1 {
        font-size: 2rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .post-header h1 {
        font-size: 2.25rem;
    }
}