/* 基础样式重置与设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #FFFFFF;
    font-family: "Helvetica Neue", Arial, sans-serif;
    color: #333333;
    line-height: 1.6;
}

/* 容器样式 */
.wrapper, .main-container, .nav-inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部区域样式 */
.header-area {
    background-color: #EBEBEB;
    width: 100%;
}

.title-logo-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 0;
}

.title-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.main-title {
    color: #0B888D;
    font-size: 22px;
    margin: 0 0 10px 0;
    line-height: 1.3;
    font-weight: 600;
}

.sub-title {
    font-size: 18px;
    color: #666666;
    margin: 0;
    line-height: 1.3;
}

/* 导航菜单样式 */
.nav-container {
    width: 100%;
    background-color: #0C9499;
}

.nav-menu {
    margin: 0;
    padding: 2px 0;
    list-style: none;
    text-align: left;
}

.nav-menu li {
    display: inline;
}

.nav-link {
    display: inline-block;
    color: #FFFFFF;
    text-decoration: none;
    padding: 10px 10px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.nav-link:hover {
    background-color: #0B888D;
}

/* 间距样式 */
.spacer {
    height: 1px;
}

/* 主内容区域样式 */
.main-container {
    padding: 20px 15px;
}

/* 内容区块样式 */
.content-container {
    display: flex;
    gap: 30px;
}

.block {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #fff;
    border-radius: 6px;
}

.block h2 {
    color: #0B888D;
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 20px;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
}

/* 搜索框样式 */
.search-container {
    margin-bottom: 30px;
}

@media (min-width: 1200px) {
    .search-container {
        margin-top: 25px; /* 可根据实际对齐需求调整数值，如10px/20px */
    }
}
.search-form {
    display: flex;
    gap: 10px;
}

.search-form input[type="text"] {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.search-form input[type="submit"] {
    padding: 8px 20px;
    background-color: #0C9499;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.search-form input[type="submit"]:hover {
    background-color: #0B888D;
}

/* 文章列表样式 */
.post-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.post-card {
    border-bottom: 1px solid #eee;
    padding: 0px 0 0px 0; /* 顶部内边距2px（仅留极窄间距），底部5px（保证与下一个卡片的距离），左右0 */
    /* 或直接设为0：padding: 0 0 5px 0; 若标题贴横线则再微调顶部为1-2px */
    margin: 0; /* 额外清除卡片自身的外边距，避免叠加间距 */
}

/* 标题样式 */
.post-title {
    font-size: 18px;
    margin: 0 0 4px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.post-title a {
    text-decoration: none;
    color: #0C9499;
}

.post-title a:hover {
    color: #FF6B35;
}

/* 推荐标签样式 */
.recommended-tag {
    margin-left: 8px; /* 仅保留极小间距，避免与标题挤在一起 */
    padding: 1px 5px; /* 微调内边距，适配红底样式 */
    background: #ff0000; /* 红色背景 */
    color: #ffffff; /* 白色字体 */
    font-size: 12px;
    border-radius: 2px; /* 可选：缩小圆角更精致 */
    font-weight: bold; /* 确保字体不加粗，与标题协调 */
}

/* 元信息样式 */
.post-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #888;
    margin-bottom: 15px;
    white-space: nowrap;
}

.post-meta .category {
    padding: 2px 6px;
    background-color: #f5f5f5;
    border-radius: 3px;
    font-size: 12px;
}

.post-meta .category a {
    color: #1e88e5;
    text-decoration: none;
}

.post-meta .category a:hover {
    color: #FF6B35;
    text-decoration: underline;
}

.post-meta .date-separator {
    color: #ccc;
    line-height: 1;
}

.post-meta .date {
    font-size: 12px;
}

/* 摘要样式 */
.post-excerpt {
    display: flex;
    gap: 15px;
    align-items: flex-start;
    margin-bottom: 15px;
}

.post-excerpt img {
    max-width: 200px;
    height: auto;
    border-radius: 6px;
    display: block;
    flex-shrink: 0;
}

.post-excerpt-text {
    font-size: 14px;
    color: #555;
    line-height: 1.7;
    flex: 1;
}

/* 阅读更多链接样式 */
.read-more {
    display: inline-block;
    color: #0C9499;
    text-decoration: none;
    margin-top: 5px;
    font-weight: 500;
    font-size: 14px;
}

.read-more:hover {
    color: #FF6B35;
    text-decoration: underline;
}

/* 分页导航样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.pagination a {
    display: inline-block;
    padding: 6px 12px;
    color: #0C9499;
    text-decoration: none;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.pagination a:hover {
    background-color: #f5f5f5;
    border-color: #ccc;
    color: #FF6B35;
}

.pagination a.active {
    background-color: #0C9499;
    color: white;
    border-color: #0C9499;
}

.pagination .pagination-ellipsis {
    color: #888;
    padding: 0 5px;
}

/* 分类筛选头部样式 */
.filter-header {
    margin-bottom: 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filter-title {
    color: #0B888D;
    font-size: 18px;
    margin: 0; /* 核心：清除标题默认的上下外边距（关键！） */
    padding: 0; /* 清除标题默认内边距 */
    line-height: 1.3; /* 确保标题文字垂直居中，避免文字本身占过高空间 */
}

.back-all {
    color: #1e88e5;
    text-decoration: none;
    font-size: 14px;
}

.back-all:hover {
    color: #FF6B35;
    text-decoration: underline;
}

/* 搜索关键词高亮样式 */
mark {
    background-color: #fff3e0;
    color: #e65100;
    padding: 1px 3px;
    border-radius: 2px;
}

/* 搜索结果统计信息 */
.search-info {
    margin-bottom: 15px;
    color: #666;
    font-style: italic;
}

/* 文章详情页特有样式 */
        .article-header {
            margin-bottom: 30px;
            padding-bottom: 1px;
            border-bottom: 1px solid #eee;
        }
        
        .article-title {
            color: #0B888D;
            margin-bottom: 15px;
            font-size: 26px;
            line-height: 1.4;
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            color: #888;
            font-size: 14px;
            margin-bottom: 20px;
        }
        
        .article-content {
            font-size: 16px;
            line-height: 1.8;
            color: #333;
        }
        
        .article-content p {
            margin-top: 0; /* 确保第一段文字紧贴着分割线 */
            margin-bottom: 1.5em;
        }
        
        .article-content img {
            max-width: 100%;
            height: auto;
            margin: 20px 0;
            border-radius: 6px;
        }
        
        .article-image {
            margin: 0 0 30px 0;
            text-align: center;
        }
        
        .article-image img {
            max-width: 100%;
            height: auto;
            border-radius: 6px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: #0C9499;
    text-decoration: none;
    font-weight: 500;
}

.back-link:hover {
    color: #FF6B35;
    text-decoration: underline;
}

/* 响应式调整 */
@media (max-width: 767px) {
    .title-logo {
        width: 60px;
        height: 60px;
    }
    
    .main-title {
        font-size: 18px;
    }
    
    .sub-title {
        font-size: 15px;
    }
    
    .nav-menu {
        padding: 10px 0;
    }
    
    .nav-link {
        font-size: 12px;
        padding: 4px 6px;
        margin: 0 2px 0 0;
    }
    
    .content-container {
        flex-direction: column;
        gap: 20px;
    }
    
      .post-meta {
        font-size: 12px;
        gap: 6px;
    }
    
    .post-excerpt {
        flex-direction: column;
    }
    
    .post-excerpt img {
        max-width: 100%;
        margin-bottom: 10px;
    }
    
    .post-excerpt-text {
        font-size: 13px;
    }
    
    .read-more {
        font-size: 13px;
    }
    
    .pagination {
        gap: 5px;
    }
    
    .pagination a {
        padding: 4px 8px;
        font-size: 13px;
    }
    
    .article-title {
        font-size: 22px;
    }
    
    .article-content {
        font-size: 15px;
    }
}

        .back-link {
            display: inline-block;
            margin-bottom: 20px;
            color: #0C9499;
            text-decoration: none;
            font-weight: 500;
        }
        
        .back-link:hover {
            color: #FF6B35;
            text-decoration: underline;
        }
        
@media (min-width: 768px) and (max-width: 1199px) {
    .content-container .left-column {
        flex: 2;
    }
    
    .content-container .right-column {
        flex: 1;
    }
}

@media (min-width: 1200px) {
    .content-container .left-column {
        flex: 3;
    }
    
    .content-container .right-column {
        flex: 1;
    }
}

    /* 底部容器样式 */
    .footer-container {
        width: 100%;
        margin: 30px 0 0;
        padding: 20px 0;
        background-color: #f8f8f8; /* 浅灰色背景，与整体风格协调 */
    }
    
    /* 内容容器 - 与主容器宽度一致并居中 */
    .footer-content {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 15px;
        box-sizing: border-box;
    }
    
    /* 版权文本样式 - 居中显示 */
    .copyright-text {
        margin: 0;
        text-align: center;
        color: #666; /* 灰色文字，不刺眼 */
        font-size: 14px;
        line-height: 1.6;
    }