* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    padding-bottom: 80px;
}

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

header {
    text-align: center;
    padding: 30px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid #eaeaea;
}

h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    color: #7f8c8d;
    font-size: 1.1rem;
}

/* 热门推荐区域样式 - 已修改：去掉左右内边距 */
.hot-recommend-section {
    margin-bottom: 40px;
    padding: 15px 0;
    background: none; /* 去掉背景 */
    border-radius: 0;
    border: none; /* 去掉边框 */
    box-shadow: none; /* 去掉阴影 */
}

/* 修改：取消热门推荐标题区域的左右内边距 */
.hot-recommend-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eef5ff;
    padding-left: 0; /* 修改：取消左内边距 */
    padding-right: 0; /* 修改：取消右内边距 */
}

.hot-recommend-title {
    font-size: 1.3rem;
    color: #2c3e50;
    margin: 0;
    font-weight: 700;
    position: relative;
    padding-left: 12px;
}

.hot-recommend-title:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 18px;
    background: linear-gradient(to bottom, #3498db, #2ecc71);
    border-radius: 2px;
}

.hot-recommend-icon {
    color: #ff6b6b;
    margin-right: 8px;
    font-size: 1.1rem;
}

/* 修改：取消热门推荐网格的左右内边距，卡片占满宽度 */
.hot-articles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding-left: 0; /* 修改：取消左内边距 */
    padding-right: 0; /* 修改：取消右内边距 */
    /* 新增：确保卡片占满整个网格 */
    grid-auto-rows: minmax(220px, auto);
}

/* 修改：热门推荐卡片样式，使其占满整个网格单元格 */
.hot-article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%; /* 改为100%以占满网格高度 */
    border: 1px solid #e8f1fb;
    width: 100%; /* 新增：确保卡片占满网格单元格宽度 */
}

.hot-article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    border-color: #3498db;
}

/* 修改：图片高度自适应 */
.hot-article-image {
    width: 100%;
    height: 160px; /* 保持固定高度 */
    object-fit: cover;
    border-bottom: 1px solid #f0f0f0;
}

.hot-article-content {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* 修改：标题固定为一行 */
.hot-article-title {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 10px;
    line-height: 1.4;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 1.4em;
}

/* 修改：简介内容固定为三行 */
.hot-article-excerpt {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0;
    min-height: 4.5em;
}

/* 修改：隐藏元数据区域 */
.hot-article-meta {
    display: none;
}

.hot-recommend-loading,
.hot-recommend-empty {
    text-align: center;
    padding: 30px;
    color: #7f8c8d;
    grid-column: 1 / -1; /* 占满整行 */
}

.hot-recommend-loading i,
.hot-recommend-empty i {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #bdc3c7;
}

/* 最新发布区域样式 */
.latest-release-section {
    margin-bottom: 20px;
    padding: 0;
}

.latest-release-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #eef5ff;
    padding-left: 0; /* 修改：与热门推荐区域保持一致 */
    padding-right: 0; /* 修改：与热门推荐区域保持一致 */
}

.latest-release-title {
    font-size: 1.3rem;
    color: #2c3e50;
    margin: 0;
    font-weight: 700;
    position: relative;
    padding-left: 12px;
}

.latest-release-title:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 18px;
    background: linear-gradient(to bottom, #3498db, #2ecc71);
    border-radius: 2px;
}

.latest-release-icon {
    color: #3498db;
    margin-right: 8px;
    font-size: 1.1rem;
}

/* 文章网格布局 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(550px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

/* 文章卡片基础样式 */
.article-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    display: flex;
    align-items: stretch;
    height: 135px;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

/* 有图片时的样式 */
.article-card.has-image .article-image {
    width: 180px;
    object-fit: cover;
    flex-shrink: 0;
    margin: 0;
    border-top-left-radius: 12px;
    border-bottom-left-radius: 12px;
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
}

.article-card.has-image .article-content {
    padding: 14px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

/* 无图片时的样式 - 修复：保持与其他卡片相同的宽度和高度 */
.article-card.no-image {
    width: 100%;
    height: 135px;
}

.article-card.no-image .article-content {
    width: 100%;
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
}

.article-card.no-image .article-title {
    font-size: 1.25rem;
    margin-bottom: 8px;
    line-height: 1.35;
    -webkit-line-clamp: 2;
    min-height: 2.7em;
}

.article-card.no-image .article-description {
    font-size: 0.95rem;
    line-height: 1.45;
    -webkit-line-clamp: 2;
    min-height: 2.9em;
    color: #666;
}

/* 通用标题样式 */
.article-title {
    font-size: 1.2rem;
    color: #2c3e50;
    margin-bottom: 6px;
    line-height: 1.3;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}

/* 通用描述样式 */
.article-description {
    color: #888;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
    margin-bottom: 0;
    margin-top: 0;
}

.pagination-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 40px;
    margin-bottom: 30px;
}

.pagination-info {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 15px;
    text-align: center;
    order: 1;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    order: 2;
    width: 100%;
}

.pagination a {
    color: #3498db;
    padding: 10px 16px;
    text-decoration: none;
    margin: 0 5px;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: inline-block;
    min-width: 40px;
    text-align: center;
    border: 1px solid #e0e0e0;
    background-color: white;
}

.pagination a.active {
    background-color: #3498db;
    color: white;
    border-color: #3498db;
}

.pagination a:hover:not(.active):not(.disabled) {
    background-color: #f0f8ff;
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.2);
}

.pagination a.disabled {
    color: #bdc3c7;
    background-color: #f9f9f9;
    border-color: #e0e0e0;
    pointer-events: none;
    cursor: not-allowed;
}

.pagination-prev, .pagination-next {
    padding: 10px 18px !important;
    min-width: 80px !important;
    font-weight: 500;
}

.pagination-prev i, .pagination-next i {
    margin: 0 4px;
}

.pagination-first, .pagination-last {
    padding: 10px 16px !important;
    min-width: 70px !important;
    font-weight: 500;
}

.pagination-numbers {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin: 0 15px;
}

.pagination-ellipsis {
    color: #7f8c8d;
    padding: 10px 8px;
    margin: 0 3px;
}

@media (min-width: 769px) {
    .pagination {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
    
    .pagination-numbers {
        margin: 0 15px;
    }
    
    .pagination-nav-buttons {
        display: none;
    }
    
    .pagination-left-buttons,
    .pagination-right-buttons {
        display: flex;
    }
}

/* 响应式设计 - 适配不同屏幕 */
@media (max-width: 1200px) {
    /* 在大屏幕中显示3列 */
    .hot-articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    /* 在中等屏幕中显示2列 */
    .hot-articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .pagination-left-buttons,
    .pagination-right-buttons {
        display: none;
    }
    
    .pagination-nav-buttons {
        display: flex;
        justify-content: space-between;
        width: 100%;
        order: 2;
    }
    
    .pagination {
        flex-direction: column;
        align-items: center;
    }
    
    .pagination-numbers {
        order: 1;
        margin-bottom: 15px;
    }
    
    .hot-recommend-section {
        padding: 12px 0;
        margin-bottom: 30px;
    }
    
    /* 修改：在小屏幕中取消标题区域的左右内边距 */
    .hot-recommend-header {
        padding-left: 0; /* 修改：取消左内边距 */
        padding-right: 0; /* 修改：取消右内边距 */
        margin-bottom: 15px;
        padding-bottom: 8px;
    }
    
    .hot-recommend-title {
        font-size: 1.1rem;
        padding-left: 10px;
    }
    
    .hot-recommend-icon {
        font-size: 1rem;
        margin-right: 6px;
    }
    
    /* 最新发布区域响应式 */
    .latest-release-section {
        margin-bottom: 15px;
    }
    
    .latest-release-header {
        padding-left: 0; /* 修改：与热门推荐区域保持一致 */
        padding-right: 0; /* 修改：与热门推荐区域保持一致 */
        margin-bottom: 15px;
        padding-bottom: 8px;
    }
    
    .latest-release-title {
        font-size: 1.1rem;
        padding-left: 10px;
    }
    
    .latest-release-icon {
        font-size: 1rem;
        margin-right: 6px;
    }
    
    /* 修改：小屏幕中取消网格的左右内边距，增加间隙 */
    .hot-articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px; /* 增加间隙使卡片更大 */
        padding-left: 0; /* 修改：取消左内边距 */
        padding-right: 0; /* 修改：取消右内边距 */
    }
    
    .hot-article-card {
        margin: 0;
    }
    
    .hot-article-image {
        height: 120px;
    }
    
    .hot-article-content {
        padding: 12px;
    }
    
    .hot-article-title {
        font-size: 0.95rem;
        -webkit-line-clamp: 2;
        min-height: 2.8em;
    }
    
    .hot-article-excerpt {
        font-size: 0.8rem;
        -webkit-line-clamp: 3;
        min-height: 3.6em;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* 移动端文章卡片样式 - 修复：统一所有卡片样式 */
    .article-card {
        width: 100%;
        height: auto;
        min-height: 120px;
        margin: 0;
        flex-direction: row;
    }
    
    .article-card.has-image {
        height: 120px;
    }
    
    .article-card.has-image .article-image {
        width: 140px;
        min-width: 140px;
    }
    
    .article-card.has-image .article-content {
        padding: 12px 16px;
    }
    
    .article-card.no-image {
        height: 120px;
        min-height: 120px;
    }
    
    .article-card.no-image .article-content {
        width: 100%;
        padding: 16px 18px;
    }
    
    .article-card .article-title {
        font-size: 1.1rem;
        margin-bottom: 5px;
        line-height: 1.3;
    }
    
    .article-card .article-description {
        font-size: 0.85rem;
        line-height: 1.35;
    }
    
    .article-card.no-image .article-title {
        font-size: 1.1rem;
        -webkit-line-clamp: 2;
        min-height: 2.6em;
    }
    
    .article-card.no-image .article-description {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
        min-height: 2.7em;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 20px;
    }
    
    .pagination-container {
        flex-direction: column;
        justify-content: center;
        padding: 0 15px;
    }
    
    .pagination-info {
        margin-bottom: 15px;
        margin-right: 0;
        text-align: center;
        order: 1;
    }
    
    .pagination {
        order: 2;
        justify-content: center;
        width: 100%;
        padding: 0 15px;
    }
    
    .pagination-numbers {
        margin-bottom: 15px;
    }
    
    header {
        padding: 30px 15px;
        margin-bottom: 20px;
    }
}

@media (max-width: 600px) {
    .pagination-container {
        flex-direction: column;
        padding: 0 10px;
    }
    
    .pagination-info {
        margin-bottom: 15px;
        text-align: center;
        order: 1;
    }
    
    .pagination {
        order: 2;
        justify-content: center;
        flex-wrap: wrap;
        padding: 0 10px;
    }
    
    .pagination a {
        padding: 8px 12px;
        margin: 0 3px 5px;
        font-size: 0.9rem;
    }
    
    .pagination-prev, .pagination-next, .pagination-first, .pagination-last {
        padding: 8px 14px !important;
        min-width: 70px !important;
    }
    
    .pagination-numbers {
        margin-bottom: 15px;
    }
    
    header {
        padding: 30px 10px;
    }
}

@media (max-width: 480px) {
    /* 修改：在超小屏幕中取消所有内边距，使用更大的间隙 */
    .hot-articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px; /* 增加间隙使卡片更大 */
        padding-left: 0; /* 修改：取消左内边距 */
        padding-right: 0; /* 修改：取消右内边距 */
    }
    
    .hot-article-image {
        height: 110px; /* 稍微降低高度以容纳更多内容 */
    }
    
    .hot-article-title {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
        min-height: 2.6em;
    }
    
    .hot-article-excerpt {
        font-size: 0.75rem;
        -webkit-line-clamp: 3;
        min-height: 3.3em;
    }
    
    .hot-article-content {
        padding: 10px; /* 增加内边距使内容更舒适 */
    }
    
    .hot-recommend-section {
        padding: 10px 0;
    }
    
    .hot-recommend-header {
        padding-left: 0; /* 修改：取消左内边距 */
        padding-right: 0; /* 修改：取消右内边距 */
        margin-bottom: 12px;
        padding-bottom: 6px;
    }
    
    .hot-recommend-title {
        font-size: 1rem;
        padding-left: 8px;
    }
    
    .hot-recommend-icon {
        font-size: 0.9rem;
        margin-right: 5px;
    }
    
    /* 最新发布区域响应式 */
    .latest-release-header {
        padding-left: 0; /* 修改：与热门推荐区域保持一致 */
        padding-right: 0; /* 修改：与热门推荐区域保持一致 */
        margin-bottom: 12px;
        padding-bottom: 6px;
    }
    
    .latest-release-title {
        font-size: 1rem;
        padding-left: 8px;
    }
    
    .latest-release-icon {
        font-size: 0.9rem;
        margin-right: 5px;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 15px;
    }
    
    /* 超小屏幕文章卡片样式 */
    .article-card {
        width: 100%;
        height: auto;
        min-height: 110px;
        margin: 0;
    }
    
    .article-card.has-image {
        height: 110px;
    }
    
    .article-card.has-image .article-image {
        width: 110px;
        min-width: 110px;
    }
    
    .article-card.has-image .article-content {
        padding: 10px 14px;
    }
    
    .article-card.no-image {
        height: 110px;
        min-height: 110px;
    }
    
    .article-card.no-image .article-content {
        padding: 14px 16px;
    }
    
    .article-card .article-title {
        font-size: 1rem;
        margin-bottom: 4px;
        line-height: 1.25;
        min-height: 2.5em;
    }
    
    .article-card .article-description {
        font-size: 0.8rem;
        -webkit-line-clamp: 2;
        line-height: 1.3;
    }
    
    .article-card.no-image .article-title {
        font-size: 1.05rem;
        -webkit-line-clamp: 2;
        min-height: 2.5em;
    }
    
    .article-card.no-image .article-description {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
        min-height: 2.8em;
    }
    
    .pagination {
        flex-direction: column;
        align-items: center;
        width: 100%;
        flex-wrap: nowrap;
        padding: 0 8px;
    }
    
    .pagination-numbers {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        order: 1;
        width: 100%;
        margin-bottom: 15px;
    }
    
    .pagination-numbers a, .pagination-numbers span {
        margin: 2px;
        padding: 6px 10px;
        font-size: 0.85rem;
    }
    
    .pagination-numbers a.active {
        background-color: #3498db;
        color: white;
    }
    
    /* 修复：移动端分页导航按钮 - 防止文字换行 */
    .pagination-nav-buttons {
        display: flex;
        justify-content: space-between;
        width: 100%;
        order: 2;
        padding: 0 2px;
    }
    
    .pagination-first, .pagination-prev, .pagination-next, .pagination-last {
        flex: 1;
        max-width: 24%;
        text-align: center;
        margin: 0;
        padding: 8px 4px !important;
        min-width: auto !important;
        font-size: 0.75rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        line-height: 1.2;
    }
    
    /* 修复：图标与文字之间的间距 */
    .pagination-first i, .pagination-prev i, 
    .pagination-next i, .pagination-last i {
        margin: 0 2px;
        font-size: 0.7rem;
    }
    
    /* 修复：隐藏部分文字，只显示图标和简写 */
    .pagination-first .btn-text,
    .pagination-prev .btn-text,
    .pagination-next .btn-text,
    .pagination-last .btn-text {
        display: inline;
    }
    
    /* 在非常小的屏幕上隐藏部分文字 */
    @media (max-width: 380px) {
        .pagination-first, .pagination-prev, 
        .pagination-next, .pagination-last {
            font-size: 0.7rem;
            padding: 8px 2px !important;
        }
        
        .pagination-first i, .pagination-prev i, 
        .pagination-next i, .pagination-last i {
            margin: 0 1px;
            font-size: 0.65rem;
        }
    }
    
    /* 在极小的屏幕上进一步调整 */
    @media (max-width: 350px) {
        .pagination-first, .pagination-last {
            max-width: 22%;
        }
        
        .pagination-prev, .pagination-next {
            max-width: 26%;
        }
    }
    
    .pagination-container {
        flex-direction: column;
        align-items: center;
        padding: 0 10px;
    }
    
    .pagination-info {
        margin-bottom: 15px;
        margin-right: 0;
        text-align: center;
        order: 1;
    }
    
    .pagination {
        order: 2;
        margin-bottom: 10px;
        justify-content: center;
    }
    
    header {
        padding: 25px 15px;
    }
}

@media (max-width: 360px) {
    /* 修改：在非常小的屏幕中调整布局，取消所有内边距 */
    .hot-articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px; /* 减小间隙使卡片更宽 */
        padding-left: 0; /* 修改：取消左内边距 */
        padding-right: 0; /* 修改：取消右内边距 */
    }
    
    .hot-article-image {
        height: 100px;
    }
    
    .hot-article-title {
        font-size: 0.8rem;
        -webkit-line-clamp: 2;
        min-height: 2.4em;
    }
    
    .hot-article-excerpt {
        font-size: 0.7rem;
        -webkit-line-clamp: 3;
        min-height: 3.1em;
    }
    
    .hot-article-content {
        padding: 8px;
    }
    
    .hot-recommend-section {
        padding: 8px 0;
    }
    
    .hot-recommend-header {
        padding-left: 0; /* 修改：取消左内边距 */
        padding-right: 0; /* 修改：取消右内边距 */
        margin-bottom: 10px;
        padding-bottom: 4px;
    }
    
    .hot-recommend-title {
        font-size: 0.9rem;
        padding-left: 6px;
    }
    
    .hot-recommend-icon {
        font-size: 0.8rem;
        margin-right: 4px;
    }
    
    /* 最新发布区域响应式 */
    .latest-release-header {
        padding-left: 0; /* 修改：与热门推荐区域保持一致 */
        padding-right: 0; /* 修改：与热门推荐区域保持一致 */
        margin-bottom: 10px;
        padding-bottom: 4px;
    }
    
    .latest-release-title {
        font-size: 0.9rem;
        padding-left: 6px;
    }
    
    .latest-release-icon {
        font-size: 0.8rem;
        margin-right: 4px;
    }
    
    /* 非常小屏幕的文章卡片 */
    .article-card {
        min-height: 100px;
    }
    
    .article-card.has-image {
        height: 100px;
    }
    
    .article-card.has-image .article-image {
        width: 100px;
        min-width: 100px;
    }
    
    .article-card.has-image .article-content {
        padding: 8px 12px;
    }
    
    .article-card.no-image {
        height: 100px;
        min-height: 100px;
    }
    
    .article-card.no-image .article-content {
        padding: 12px 14px;
    }
    
    /* 修复：在非常小的屏幕上进一步调整分页按钮 */
    .pagination-nav-buttons {
        padding: 0 1px;
    }
    
    .pagination-first, .pagination-prev, 
    .pagination-next, .pagination-last {
        font-size: 0.7rem;
        padding: 8px 1px !important;
        max-width: 24%;
    }
    
    .pagination-first i, .pagination-prev i, 
    .pagination-next i, .pagination-last i {
        font-size: 0.65rem;
        margin: 0 1px;
    }
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #7f8c8d;
    grid-column: 1 / -1;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #bdc3c7;
}