/**
 * RiPro V5 TJ 主题 - 主样式文件
 * 
 * 包含：基础样式、布局、导航、文章卡片、底部样式
 * 
 * @package RiPro_V5_TJ
 * @version 1.0.0
 */

/* ========================================
   基础样式
   ======================================== */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* ========================================
   网站头部
   ======================================== */

.site-header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    margin-bottom: 30px;
}

.site-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.site-title {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.site-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.site-title a:hover {
    color: #0073aa;
}

.site-description {
    margin: 5px 0 0;
    color: #666;
    font-size: 14px;
}

/* ========================================
   主导航
   ======================================== */

.main-navigation {
    margin-top: 15px;
}

.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

.main-navigation a {
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.main-navigation a:hover {
    color: #0073aa;
}

/* ========================================
   文章卡片网格
   ======================================== */

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.post-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.post-thumbnail {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-thumbnail img {
    transform: scale(1.05);
}

/* ========================================
   文章卡片内容
   ======================================== */

.entry-header {
    padding: 20px 20px 10px;
}

.entry-title {
    margin: 0 0 10px;
    font-size: 20px;
    line-height: 1.4;
}

.entry-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.entry-title a:hover {
    color: #0073aa;
}

.entry-meta {
    font-size: 13px;
    color: #666;
    margin-bottom: 10px;
}

.entry-meta span {
    margin-right: 15px;
}

.entry-summary {
    padding: 0 20px 15px;
    font-size: 14px;
    line-height: 1.6;
    color: #666;
}

.entry-footer {
    padding: 0 20px 20px;
}

.read-more {
    display: inline-block;
    padding: 8px 16px;
    background-color: #0073aa;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.read-more:hover {
    background-color: #005a87;
}

/* ========================================
   页面标题
   ======================================== */

.page-header {
    margin-bottom: 30px;
}

.page-title {
    font-size: 28px;
    margin: 0 0 10px;
    color: #333;
}

.archive-description {
    color: #666;
    font-size: 14px;
}

/* ========================================
   无结果页面
   ======================================== */

.no-results {
    text-align: center;
    padding: 50px 20px;
}

.no-results .page-title {
    font-size: 24px;
    margin-bottom: 15px;
    color: #333;
}

/* ========================================
   网站底部
   ======================================== */

.site-footer {
    background-color: #333;
    color: #fff;
    padding: 40px 0 20px;
    margin-top: 50px;
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-widget {
    /* 底部小工具样式 */
}

.footer-widget h3 {
    color: #fff;
    font-size: 18px;
    margin: 0 0 15px;
}

.footer-widget a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-widget a:hover {
    color: #fff;
}

.site-info {
    border-top: 1px solid #444;
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.site-info p {
    margin: 0;
    color: #aaa;
    font-size: 14px;
}

.footer-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 15px;
}

.footer-navigation a {
    color: #aaa;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-navigation a:hover {
    color: #fff;
}

/* ========================================
   分页
   ======================================== */

.pagination {
    margin: 30px 0;
    text-align: center;
}

.page-numbers {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 2px;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.page-numbers.current {
    background-color: #0073aa;
    color: #fff;
}

.page-numbers:hover:not(.current) {
    background-color: #f0f0f0;
}

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 768px) {
    .main-navigation ul {
        flex-direction: column;
        gap: 10px;
    }

    .posts-grid {
        grid-template-columns: 1fr;
    }

    .site-info {
        flex-direction: column;
        text-align: center;
    }

    .footer-widgets {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .site-content {
        padding: 0 15px;
    }

    .site-title {
        font-size: 20px;
    }

    .entry-title {
        font-size: 18px;
    }
}