/*
Theme Name: seo-baidu-blog博客主题
Theme URI: https://example.com/
Description: 纯手写响应式WordPress博客主题，SEO优化
Version: 1.0
Author: 自定义
Author URI: https://example.com/
Text Domain: seo-baidu-blog
*/
/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}
a {
    color: #2d8cf0;
    text-decoration: none;
    transition: 0.3s;
}
a:hover {
    color: #1976d2;
}
img {
    max-width: 100%;
    height: auto;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部 */
.header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 99;
}
.logo {
    font-size: 24px;
    font-weight: bold;
}
.site-desc {
    color: #666;
    font-size: 14px;
    margin-top: 5px;
}
.nav {
    margin-top: 15px;
}
.nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.nav a {
    color: #333;
    font-weight: 500;
}

/* 主体布局 */
.main {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin: 30px 0;
}
.content {
    flex: 1;
    min-width: 300px;
}
.sidebar {
    width: 300px;
    min-width: 300px;
}

/* 文章卡片 */
.post-card {
    background: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.post-title {
    font-size: 20px;
    margin-bottom: 10px;
}
.post-meta {
    color: #999;
    font-size: 13px;
    margin-bottom: 15px;
}
.post-excerpt {
    color: #555;
    margin-bottom: 15px;
}
.read-more {
    display: inline-block;
    padding: 6px 15px;
    background: #2d8cf0;
    color: #fff;
    border-radius: 4px;
    font-size: 14px;
}

/* 文章详情 */
.single-post {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
}
.single-title {
    font-size: 26px;
    margin-bottom: 15px;
}
.post-content {
    margin: 25px 0;
    line-height: 1.8;
    font-size: 16px;
}
.post-content p {
    margin-bottom: 18px;
}
.post-nav {
    display: flex;
    justify-content: space-between;
    margin: 30px 0;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}
.related-posts {
    margin: 40px 0;
}
.related-title {
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #2d8cf0;
}

/* 侧边栏 */
.widget {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}
.widget-title {
    font-size: 16px;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
}
.widget ul {
    list-style: none;
}
.widget li {
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
}
.search-form {
    display: flex;
    gap: 10px;
}
.search-form input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid #eee;
    border-radius: 4px;
}
.search-form button {
    padding: 8px 15px;
    background: #2d8cf0;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* 分页 */
.pagination {
    text-align: center;
    margin: 30px 0;
}
.pagination a, .pagination span {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 3px;
    background: #fff;
    border-radius: 4px;
}
.pagination .current {
    background: #2d8cf0;
    color: #fff;
}

/* 底部 */
.footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 30px 0;
    margin-top: 30px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .main {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
    .single-post {
        padding: 20px;
    }
    .single-title {
        font-size: 22px;
    }
    .nav ul {
        gap: 10px;
    }
    /* 移动端相关推荐一行1篇 */
    .related-posts .related-item {
        flex: 0 0 100% !important;
    }
}

/* 相关推荐样式（一行2篇） */
.related-posts .related-list {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.related-posts .related-item {
    flex: 0 0 calc(50% - 10px); /* 一行2篇，减去间距 */
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}