/*
 * 博客相关样式
 * 合并了以下文件:
 * - blog-slider-fix.css
 * - blog-image-ratio.css
 * - blog-list.css
 */

/* ========== 1. 博客滑块样式 ========== */
.blog-slider-section {
    padding: 40px 0;
    overflow: hidden;
    width: 100%;
    font-family: 'Open Sans', sans-serif;
    background-color: #ffffff;
}

.blog-slider-section .container {
    padding: 0;
    width: 100%;
    max-width: none;
}

.blog-slider {
    display: flex;
    flex-wrap: nowrap;
    gap: 20px;
    padding: 0;
    margin: 0 30px;
    width: calc(100% - 60px);
    overflow-x: hidden; /* 隐藏水平滚动条 */
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    background-color: #ffffff;
}

/* 隐藏Webkit浏览器的滚动条 */
.blog-slider::-webkit-scrollbar {
    display: none;
}

/* 移除Firefox滚动条 */
.blog-slider {
    scrollbar-width: none;
}

/* 博客卡片悬停效果修改 - 移除缩放效果 */
.blog-card:hover {
    transform: none;
}

.blog-card:hover .blog-image img {
    transform: none;
}

/* ========== 2. 博客图片比例 ========== */
.blog-image {
    position: relative;
    width: 100%;
    padding-bottom: 133.33%; /* 4:3的竖向比例 (3/4 = 0.75, 1/0.75 = 1.3333...) */
    overflow: hidden;
}

.blog-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

/* ========== 3. 博客列表样式 ========== */
.blog-list-section {
    padding: 40px 0;
    width: 100%;
    font-family: 'Open Sans', sans-serif;
    background-color: #ffffff;
}

.blog-list {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    padding: 0;
    margin: 0 30px;
    width: calc(100% - 60px);
}

/* 博客列表项 - 自动等分宽度 */
.blog-item {
    flex: 0 0 calc((100% - (var(--posts-per-row) - 1) * 30px) / var(--posts-per-row));
    margin-bottom: 30px;
}

.blog-item-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.blog-item-image {
    position: relative;
    width: 100%;
    padding-bottom: var(--image-padding-bottom, 75%); /* 默认4:3比例 */
    overflow: hidden;
    margin-bottom: 15px;
}

.blog-item-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.blog-item:hover .blog-item-image img {
    transform: scale(1.05);
}

.blog-item-content {
    padding: 0;
}

.blog-item-title {
    font-size: var(--font-size-medium);
    font-weight: var(--font-medium);
    margin: 0 0 10px 0;
    color: #333;
}

.blog-item-excerpt {
    font-size: var(--font-size-small);
    color: #666;
    margin-bottom: 10px;
    line-height: 1.5;
}

.blog-item-date {
    font-size: var(--font-size-small);
    color: #999;
    display: block;
}

.no-posts {
    text-align: center;
    padding: 30px;
    color: #666;
}

/* ========== 4. 响应式样式 ========== */
@media (max-width: 992px) {
    .blog-list {
        gap: 20px;
    }

    .blog-item {
        flex: 0 0 calc((100% - (var(--posts-per-row) - 1) * 20px) / var(--posts-per-row));
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .blog-slider-section,
    .blog-list-section {
        padding: 30px 0;
    }

    .blog-list {
        gap: 15px;
        margin: 0 20px;
        width: calc(100% - 40px);
    }

    .blog-item {
        flex: 0 0 calc((100% - 15px) / 2); /* 在平板上默认显示2列 */
        margin-bottom: 15px;
    }

    .blog-image {
        padding-bottom: 133.33%; /* 保持竖向4:3比例 */
    }
}

@media (max-width: 576px) {
    .blog-list {
        gap: 15px;
        margin: 0 15px;
        width: calc(100% - 30px);
    }

    .blog-item {
        flex: 0 0 100%; /* 在手机上显示1列 */
    }
}