/**
 * 博客集合页面样式
 * 独立CSS文件，不影响其他页面
 */

/* ========================================
   1. 博客容器基础样式
   ======================================== */
.blog-page {
    min-height: 100vh;
    background: #f8fafc;
}

.blog-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* ========================================
   2. 页面头部
   ======================================== */
.blog-header {
    text-align: center;
    margin-bottom: 50px;
}

.blog-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.blog-subtitle {
    font-size: 1.1rem;
    color: #64748b;
    margin: 0;
}

/* ========================================
   3. 博客卡片网格
   ======================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 50px;
}

/* ========================================
   4. 单个博客卡片
   ======================================== */
.blog-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.blog-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* 卡片图片 */
.blog-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.08);
}

.blog-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(0, 0, 0, 0.1) 100%
    );
}

/* 卡片内容 */
.blog-card-content {
    padding: 20px 24px 24px;
}

/* 元信息（分类、日期） */
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: #94a3b8;
}

.blog-card-category,
.blog-card-date {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-card-category {
    color: #6366f1;
    background: #eef2ff;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.blog-card-category:hover {
    background: #e0e7ff;
}

/* 卡片标题 */
.blog-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 12px;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color 0.3s;
}

.blog-card:hover .blog-card-title {
    color: #6366f1;
}

/* 卡片摘要 */
.blog-card-excerpt {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.7;
    margin: 0 0 16px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

/* 阅读更多 */
.blog-card-footer {
    display: flex;
    justify-content: flex-end;
}

.blog-card-readmore {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #6366f1;
    transition: gap 0.3s;
}

.blog-card:hover .blog-card-readmore {
    gap: 10px;
}

/* ========================================
   5. 无文章提示
   ======================================== */
.blog-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: #94a3b8;
    font-size: 1.1rem;
}

/* ========================================
   6. 分页导航
   ======================================== */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 30px 0;
}

.blog-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 14px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #475569;
    text-decoration: none;
    transition: all 0.2s ease;
}

.blog-pagination .page-numbers:hover {
    background: #6366f1;
    border-color: #6366f1;
    color: #ffffff;
}

.blog-pagination .page-numbers.current {
    background: #6366f1;
    border-color: #6366f1;
    color: #ffffff;
}

.blog-pagination .page-numbers.dots {
    background: transparent;
    border-color: transparent;
    color: #94a3b8;
    cursor: default;
}

/* ========================================
   7. 平板适配 (768px - 1024px)
   ======================================== */
@media (max-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .blog-title {
        font-size: 2rem;
    }
}

/* ========================================
   8. 手机适配 (小于 768px)
   ======================================== */
@media (max-width: 768px) {
    .blog-container {
        padding: 24px 16px;
    }
    
    .blog-header {
        margin-bottom: 32px;
    }
    
    .blog-title {
        font-size: 1.75rem;
    }
    
    .blog-subtitle {
        font-size: 1rem;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .blog-card-image {
        height: 180px;
    }
    
    .blog-card-content {
        padding: 16px 20px 20px;
    }
    
    .blog-card-title {
        font-size: 1.1rem;
    }
    
    .blog-card-meta {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .blog-pagination {
        flex-wrap: wrap;
        gap: 6px;
    }
    
    .blog-pagination .page-numbers {
        min-width: 38px;
        height: 38px;
        padding: 0 12px;
        font-size: 0.9rem;
    }
}

/* ========================================
   9. 小屏手机 (小于 480px)
   ======================================== */
@media (max-width: 480px) {
    .blog-title {
        font-size: 1.5rem;
    }
    
    .blog-card-image {
        height: 160px;
    }
    
    .blog-card-content {
        padding: 14px 16px 18px;
    }
    
    .blog-card-excerpt {
        -webkit-line-clamp: 2;
    }
}