/* 
Theme Name: fresh-blog清新自适应博客 
Theme URI: https://demo.com/fresh-blog/  
Author: 原创开发 
Author URI: https://demo.com/  
Description: 全新轻量响应式博客模板，SEO友好，自带网站地图、相关推荐、阅读统计等功能 
Version: 1.0 
License: GPL v3 
License URI: https://www.gnu.org/licenses/gpl-3.0.html  
Tags: blog, responsive, green, fresh, seo 
Text Domain: fresh-blog 
*/ 
 
/* 全局重置与变量 */ 
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
} 
:root { 
    --primary: #16a34a; 
    --primary-hover: #15803d; 
    --text-dark: #1f2937; 
    --text-gray: #6b7280; 
    --border: #e5e7eb; 
    --bg: #f3f4f6; 
    --card-bg: #ffffff; 
    --shadow: 0 2px 8px rgba(0,0,0,0.06); 
    --radius: 12px; 
} 
body { 
    font-family: "PingFang SC", "Microsoft Yahei", sans-serif; 
    line-height: 1.8; 
    color: var(--text-dark); 
    background-color: var(--bg); 
} 
a { 
    color: var(--primary); 
    text-decoration: none; 
    transition: all 0.25s ease; 
} 
a:hover { 
    color: var(--primary-hover); 
} 
img { 
    max-width: 100%; 
    height: auto; 
    display: block; 
} 
.site-container { 
    max-width: 1180px; 
    margin: 0 auto; 
    padding: 0 18px; 
} 
 
/* 头部样式 */ 
.main-header { 
    background: var(--card-bg); 
    box-shadow: var(--shadow); 
    padding: 1.2rem 0; 
    position: sticky; 
    top: 0; 
    z-index: 99; 
} 
.header-inner { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
} 
.site-logo h1 { 
    font-size: 1.7rem; 
    font-weight: 700; 
} 
.site-logo p { 
    font-size: 0.85rem; 
    color: var(--text-gray); 
} 
.nav-wrap { 
    display: flex; 
    align-items: center; 
} 
.main-nav ul { 
    display: flex; 
    gap: 1.8rem; 
    list-style: none; 
} 
.main-nav a { 
    color: var(--text-dark); 
    font-weight: 500; 
    position: relative; 
} 
.main-nav a:hover::after { 
    width: 100%; 
} 
.main-nav a::after { 
    content: ''; 
    position: absolute; 
    bottom: -4px; 
    left: 0; 
    width: 0; 
    height: 2px; 
    background: var(--primary); 
    transition: width 0.3s ease; 
} 
.mobile-menu-btn { 
    display: none; 
    font-size: 1.5rem; 
    cursor: pointer; 
    padding: 0 0.5rem; 
} 
 
/* 面包屑 */ 
.breadcrumbs { 
    background: var(--card-bg); 
    padding: 0.7rem 1.2rem; 
    border-radius: var(--radius); 
    margin: 1.5rem 0; 
    font-size: 0.88rem; 
    color: var(--text-gray); 
} 
 
/* 内容布局 */ 
.content-wrapper { 
    display: grid; 
    grid-template-columns: 1fr 300px; 
    gap: 2rem; 
    margin-bottom: 3rem; 
} 
.main-content { 
    display: flex; 
    flex-direction: column; 
    gap: 1.5rem; 
} 
 
/* 文章卡片 */ 
.post-card { 
    background: var(--card-bg); 
    border-radius: var(--radius); 
    box-shadow: var(--shadow); 
    overflow: hidden; 
    transition: transform 0.3s ease, box-shadow 0.3s ease; 
} 
.post-card:hover { 
    transform: translateY(-4px); 
    box-shadow: 0 8px 20px rgba(0,0,0,0.1); 
} 
.post-card-thumb { 
    height: 220px; 
    overflow: hidden; 
} 
.post-card-thumb img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    transition: transform 0.4s ease; 
} 
.post-card:hover .post-card-thumb img { 
    transform: scale(1.06); 
} 
.post-card-info { 
    padding: 1.5rem; 
} 
.post-card-title { 
    font-size: 1.4rem; 
    font-weight: 600; 
    margin-bottom: 0.8rem; 
    line-height: 1.5; 
} 
.post-card-meta { 
    font-size: 0.85rem; 
    color: var(--text-gray); 
    margin-bottom: 1rem; 
    display: flex; 
    gap: 1.2rem; 
    flex-wrap: wrap; 
} 
.post-card-excerpt { 
    color: var(--text-gray); 
    margin-bottom: 1rem; 
    overflow: hidden; 
    text-overflow: ellipsis; 
    display: -webkit-box; 
    -webkit-line-clamp: 3; 
    -webkit-box-orient: vertical; 
} 
.readmore-btn { 
    display: inline-flex; 
    align-items: center; 
    gap: 0.3rem; 
    padding: 0.45rem 1rem; 
    background: var(--primary); 
    color: #fff; 
    border-radius: 6px; 
    font-size: 0.88rem; 
} 
.readmore-btn:hover { 
    color: #fff; 
    background: var(--primary-hover); 
} 
 
/* 分页 */ 
.pagination-wrap { 
    display: flex; 
    justify-content: center; 
    gap: 1rem; 
    margin-top: 1rem; 
} 
.pagination-wrap a, .pagination-wrap span { 
    padding: 0.5rem 1.2rem; 
    background: var(--card-bg); 
    border-radius: 6px; 
    box-shadow: var(--shadow); 
} 
.pagination-wrap .current { 
    background: var(--primary); 
    color: #fff; 
} 
 
/* 单页/文章样式 */ 
.single-wrap { 
    background: var(--card-bg); 
    border-radius: var(--radius); 
    box-shadow: var(--shadow); 
    padding: 2rem; 
} 
.single-title { 
    font-size: 1.9rem; 
    margin-bottom: 1rem; 
    line-height: 1.5; 
} 
.single-meta { 
    font-size: 0.88rem; 
    color: var(--text-gray); 
    padding-bottom: 1rem; 
    border-bottom: 1px solid var(--border); 
    margin-bottom: 1.5rem; 
    display: flex; 
    gap: 1.5rem; 
    flex-wrap: wrap; 
} 
.single-content { 
    margin-bottom: 2rem; 
} 
.single-content h2 { 
    font-size: 1.6rem; 
    margin: 2rem 0 1rem; 
    padding-left: 0.8rem; 
    border-left: 4px solid var(--primary); 
} 
.single-content h3 { 
    font-size: 1.3rem; 
    margin: 1.5rem 0 0.8rem; 
} 
.single-content p { 
    margin-bottom: 1rem; 
} 
.single-content ul, .single-content ol { 
    margin: 1rem 0 1rem 2rem; 
} 
.single-tags { 
    padding: 1rem 0; 
    border-top: 1px solid var(--border); 
    margin-bottom: 2rem; 
} 
.single-tags a { 
    display: inline-block; 
    padding: 0.3rem 0.8rem; 
    background: var(--bg); 
    border-radius: 4px; 
    margin-right: 0.5rem; 
    font-size: 0.85rem; 
    margin-bottom: 0.5rem; 
} 
 
/* 上下篇导航 */ 
.post-nav-wrap { 
    display: flex; 
    flex-direction: column; 
    gap: 1rem; 
    margin: 2rem 0; 
} 
.post-nav-item { 
    padding: 1rem; 
    background: var(--bg); 
    border-radius: 8px; 
} 
.post-nav-item.prev { 
    border-left: 3px solid var(--primary); 
} 
.post-nav-item.next { 
    border-right: 3px solid var(--primary); 
    text-align: right; 
} 
 
/* 相关文章 */ 
.related-wrap { 
    margin: 2rem 0; 
} 
.related-wrap h3 { 
    font-size: 1.4rem; 
    margin-bottom: 1.5rem; 
    padding-bottom: 0.5rem; 
    border-bottom: 2px solid var(--primary); 
    display: inline-block; 
} 
.related-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: 1.5rem; 
} 
.related-item { 
    background: var(--bg); 
    border-radius: 8px; 
    padding: 1.2rem; 
} 
.related-item h4 { 
    font-size: 1rem; 
    margin-bottom: 0.5rem; 
    font-weight: 500; 
} 
.related-item p { 
    font-size: 0.85rem; 
    color: var(--text-gray); 
    overflow: hidden; 
    text-overflow: ellipsis; 
    display: -webkit-box; 
    -webkit-line-clamp: 2; 
    -webkit-box-orient: vertical; 
} 
 
/* 侧边栏 */ 
.site-sidebar { 
    display: flex; 
    flex-direction: column; 
    gap: 1.5rem; 
} 
.sidebar-widget { 
    background: var(--card-bg); 
    border-radius: var(--radius); 
    box-shadow: var(--shadow); 
    padding: 1.5rem; 
} 
.widget-title { 
    font-size: 1.15rem; 
    margin-bottom: 1rem; 
    padding-bottom: 0.5rem; 
    border-bottom: 2px solid var(--primary); 
    display: inline-block; 
} 
.widget ul { 
    list-style: none; 
} 
.widget ul li { 
    padding: 0.6rem 0; 
    border-bottom: 1px dashed var(--border); 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
} 
.widget ul li:last-child { 
    border-bottom: none; 
} 
.search-form { 
    display: flex; 
    gap: 0.5rem; 
} 
.search-input { 
    flex: 1; 
    padding: 0.55rem; 
    border: 1px solid var(--border); 
    border-radius: 6px; 
    outline: none; 
} 
.search-submit { 
    padding: 0 1rem; 
    background: var(--primary); 
    color: #fff; 
    border: none; 
    border-radius: 6px; 
    cursor: pointer; 
} 
.tag-cloud a { 
    display: inline-block; 
    padding: 0.3rem 0.7rem; 
    background: var(--bg); 
    border-radius: 4px; 
    margin: 0.25rem; 
    font-size: 0.85rem !important; 
} 
 
/* 底部+网站地图 */ 
.main-footer { 
    background: var(--card-bg); 
    box-shadow: 0 -2px 10px rgba(0,0,0,0.05); 
    padding: 3rem 0 1.5rem; 
} 
.footer-sitemap { 
    display: grid; 
    grid-template-columns: 1fr 1fr 1fr; 
    gap: 2rem; 
    margin-bottom: 2rem; 
    padding-bottom: 2rem; 
    border-bottom: 1px solid var(--border); 
} 
.sitemap-col h4 { 
    font-size: 1.1rem; 
    margin-bottom: 1rem; 
} 
.sitemap-col ul { 
    list-style: none; 
    display: flex; 
    flex-direction: column; 
    gap: 0.6rem; 
} 
.copyright { 
    text-align: center; 
    color: var(--text-gray); 
    font-size: 0.88rem; 
} 
.back-top { 
    position: fixed; 
    bottom: 2rem; 
    right: 2rem; 
    width: 48px; 
    height: 48px; 
    background: var(--primary); 
    color: #fff; 
    border-radius: 8px; 
    display: none; 
    align-items: center; 
    justify-content: center; 
    font-size: 1.3rem; 
    cursor: pointer; 
    z-index: 99; 
} 
 
/* 移动端适配 */ 
@media (max-width: 768px) { 
    .mobile-menu-btn { 
        display: block; 
    } 
    .main-nav { 
        position: absolute; 
        top: 100%; 
        left: 0; 
        width: 100%; 
        background: var(--card-bg); 
        box-shadow: var(--shadow); 
        display: none; 
    } 
    .main-nav.show { 
        display: block; 
    } 
    .main-nav ul { 
        flex-direction: column; 
        padding: 1rem; 
        gap: 1rem; 
    } 
    .content-wrapper { 
        grid-template-columns: 1fr; 
    } 
    .related-grid { 
        grid-template-columns: 1fr; 
    } 
    .footer-sitemap { 
        grid-template-columns: 1fr; 
        gap: 1.5rem; 
    } 
    .single-wrap { 
        padding: 1.5rem; 
    } 
    .single-title { 
        font-size: 1.5rem; 
    } 
}