/* 整体布局 */
body {
    background: #f8f9fa;
    color: #24292e;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.article-container {
    max-width: 860px;
    margin: 40px auto;
    padding: 32px 48px;
    background: #fff;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    box-sizing: border-box;
    flex: 1;
    margin-bottom: 80px;  /* 为底部留出空间 */
}

.article {
    width: 100%;
}

/* 文章标题 */
.article-title {
    font-size: 2.2em;
    font-weight: 600;
    color: #24292e;
    margin-bottom: 0.5em;
    line-height: 1.25;
    border-bottom: 1px solid #eaecef;
    padding-bottom: 0.3em;
}

/* 文章元信息 */
.article-meta {
    color: #586069;
    font-size: 14px;
    margin-bottom: 1.5em;
    padding-bottom: 1em;
    border-bottom: 1px solid #eaecef;
}

.article-author {
    margin-right: 1em;
    font-weight: 600;
}

.article-time {
    color: #6a737d;
}

/* Markdown 内容样式 */
.markdown-body {
    font-size: 15px;
    line-height: 1.6;
    word-wrap: break-word;
}

/* 标题样式 */
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    font-weight: 600;
    line-height: 1.25;
    margin-top: 24px;
    margin-bottom: 16px;
}

.markdown-body h1,
.markdown-body h2 {
    padding-bottom: 0.3em;
    border-bottom: 1px solid #eaecef;
}

.markdown-body h1 { font-size: 1.8em; }
.markdown-body h2 { font-size: 1.4em; }
.markdown-body h3 { font-size: 1.2em; }
.markdown-body h4 { font-size: 1em; }

/* 段落和列表 */
.markdown-body p,
.markdown-body ul,
.markdown-body ol {
    margin-top: 0;
    margin-bottom: 16px;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 2em;
}

.markdown-body li {
    margin: 0.25em 0;
}

/* 引用块 */
.markdown-body blockquote {
    padding: 0 1em;
    color: #6a737d;
    border-left: 0.25em solid #dfe2e5;
    margin: 0 0 16px 0;
}

/* 代码样式 */
.markdown-body code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(27,31,35,0.05);
    border-radius: 3px;
    font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
}

.markdown-body pre {
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    background-color: #f6f8fa;
    border-radius: 3px;
    margin-bottom: 16px;
}

.markdown-body pre code {
    padding: 0;
    margin: 0;
    background-color: transparent;
    border: 0;
    word-break: normal;
    white-space: pre;
}

/* 表格样式 */
.markdown-body table {
    border-spacing: 0;
    border-collapse: collapse;
    margin: 16px 0;
    width: 100%;
    overflow: auto;
}

.markdown-body table th,
.markdown-body table td {
    padding: 6px 13px;
    border: 1px solid #dfe2e5;
}

.markdown-body table tr {
    background-color: #fff;
    border-top: 1px solid #c6cbd1;
}

.markdown-body table tr:nth-child(2n) {
    background-color: #f6f8fa;
}

/* 水平线 */
.markdown-body hr {
    height: 0.25em;
    padding: 0;
    margin: 24px 0;
    background-color: #e1e4e8;
    border: 0;
}

/* 链接样式 */
.markdown-body a {
    color: #0366d6;
    text-decoration: none;
}

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

/* 图片样式 */
.markdown-body img {
    max-width: 100%;
    box-sizing: border-box;
    background-color: #fff;
    border-radius: 3px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .article-container {
        margin: 20px;
        padding: 16px;
        margin-bottom: 60px;
    }

    .article-title {
        font-size: 1.8em;
    }

    .markdown-body {
        font-size: 14px;
    }

    .article-interactions {
        margin: 40px 0 20px;
    }

    .interaction-buttons {
        gap: 10px;
    }

    .btn {
        min-width: 100px;
        padding: 8px 16px;
    }

    .footer-info {
        text-align: center;
    }

    .footer-info p {
        margin-bottom: 12px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
}

/* 底部样式 */
.site-footer {
    background: #f8f9fa;
    padding: 20px 0;
    border-top: 1px solid #e1e4e8;
    margin-top: auto;
}

.footer-content {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-info {
    display: block;
    text-align: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-info p {
    margin: 0 0 15px 0;
    color: #586069;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links a {
    color: #586069;
    text-decoration: none;
}

.footer-links a:hover {
    color: #0366d6;
}

/* 文章交互区域 */
.article-interactions {
    margin: 60px 0 40px;
    padding-top: 20px;
    border-top: 1px solid #eaecef;
    text-align: center;
}

.interaction-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 8px 24px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
    min-width: 120px;
    justify-content: center;
}