/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.site-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid #e1e4e8;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 24px;
    font-weight: 600;
    color: #0366d6;
    text-decoration: none;
}

.site-title:hover {
    text-decoration: underline;
}

.site-nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.site-nav a {
    color: #586069;
    text-decoration: none;
    font-weight: 500;
}

.site-nav a:hover {
    color: #0366d6;
}

/* 主内容区 */
.page-content {
    padding: 40px 0;
    min-height: calc(100vh - 200px);
}

/* 文章列表 */
.posts-heading {
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e1e4e8;
}

.post-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.post-item {
    padding: 20px;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    transition: box-shadow 0.2s;
}

.post-item:hover {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.post-item .post-title {
    margin: 0 0 10px 0;
    font-size: 24px;
}

.post-item .post-title a {
    color: #0366d6;
    text-decoration: none;
}

.post-item .post-title a:hover {
    text-decoration: underline;
}

.post-meta {
    display: flex;
    gap: 15px;
    align-items: center;
    color: #586069;
    font-size: 14px;
    margin-bottom: 10px;
}

.post-tags {
    display: flex;
    gap: 8px;
}

.tag {
    background-color: #f1f8ff;
    color: #0366d6;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
}

.post-description,
.post-excerpt {
    color: #586069;
    line-height: 1.6;
}

/* 文章详情页 */
.post {
    background-color: #fff;
}

.post-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e1e4e8;
}

.post-title {
    font-size: 36px;
    margin-bottom: 15px;
    color: #24292e;
}

.post-content {
    line-height: 1.8;
    font-size: 16px;
}

.post-content h2 {
    margin-top: 40px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e1e4e8;
    font-size: 28px;
}

.post-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 22px;
}

.post-content p {
    margin-bottom: 16px;
}

.post-content ul,
.post-content ol {
    margin-bottom: 16px;
    padding-left: 30px;
}

.post-content li {
    margin-bottom: 8px;
}

.post-content code {
    background-color: #f6f8fa;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.post-content pre {
    background-color: #f6f8fa;
    padding: 16px;
    border-radius: 6px;
    overflow-x: auto;
    margin-bottom: 16px;
}

.post-content pre code {
    background-color: transparent;
    padding: 0;
}

.post-content blockquote {
    border-left: 4px solid #dfe2e5;
    padding-left: 20px;
    margin: 16px 0;
    color: #586069;
}

.post-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px 0;
}

.post-content a {
    color: #0366d6;
    text-decoration: none;
}

.post-content a:hover {
    text-decoration: underline;
}

/* 文章导航 */
.post-footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid #e1e4e8;
    display: flex;
    justify-content: space-between;
}

.post-footer a {
    color: #0366d6;
    text-decoration: none;
}

.post-footer a:hover {
    text-decoration: underline;
}

/* 页面样式 */
.page {
    background-color: #fff;
}

.page-title {
    font-size: 36px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e1e4e8;
}

.page-content h2 {
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 24px;
}

.page-content h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 20px;
}

.page-content ul,
.page-content ol {
    margin-bottom: 16px;
    padding-left: 30px;
}

.page-content li {
    margin-bottom: 8px;
}

/* 归档页面 */
.archive-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 40px;
}

.archive-list li {
    padding: 10px 0;
    border-bottom: 1px solid #e1e4e8;
}

.archive-date {
    color: #586069;
    margin-right: 15px;
    font-size: 14px;
}

/* 底部样式 */
.site-footer {
    background-color: #f8f9fa;
    border-top: 1px solid #e1e4e8;
    padding: 40px 0;
    margin-top: 60px;
    text-align: center;
    color: #586069;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 10px;
}

.social-links a {
    color: #0366d6;
    text-decoration: none;
}

.social-links a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .site-nav ul {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .post-title {
        font-size: 28px;
    }
    
    .post-footer {
        flex-direction: column;
        gap: 15px;
    }
}

/* 分页导航样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 40px 0;
    padding: 20px;
}

.pagination-btn {
    padding: 10px 20px;
    background: #0366d6;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.3s;
}

.pagination-btn:hover {
    background: #0256c7;
}

.pagination-btn.disabled {
    background: #e1e4e8;
    color: #6a737d;
    cursor: not-allowed;
}

.pagination-info {
    color: #586069;
    font-size: 14px;
}