/* 返回按钮样式 */
.back-button {
    position: fixed;
    top: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #999999;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    z-index: 10;
    background: rgba(255, 255, 255, 0.03);
    padding: 0.75rem 1.25rem;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.back-button:hover {
    color: #FFFFFF;
    transform: translateX(-4px);
    background: rgba(255, 255, 255, 0.05);
}

/* 主要内容区域 */
.content-main {
    padding: 6rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* 区块标题样式 */
.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 2rem;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 1px;
}

/* 精选文章区域 */
.featured-section {
    margin-bottom: 4rem;
    position: relative;
}

.featured-swiper {
    overflow: hidden;
    padding: 1rem;
    margin: 0 -1rem;
    user-select: none; /* 防止拖动时选中文本 */
}

.swiper-slide {
    width: calc(25% - 24px) !important; /* 强制一行显示4个 */
    height: 420px !important; /* 固定卡片高度 */
}

.featured-card {
    text-decoration: none;
    color: inherit;
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

.featured-card:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.featured-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease;
}

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

.featured-card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* 确保内容均匀分布 */
}

.featured-card h3 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
    font-size: 1.2rem;
    line-height: 1.4;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.featured-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 文章列表区域 */
.articles-list {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
    min-height: 400px; /* 防止分页切换时页面跳动 */
}

.article-list-header,
.article-list-item {
    display: grid;
    grid-template-columns: 3fr 1fr 2fr 1fr;
    padding: 1rem 1.5rem;
    align-items: center;
}

.article-list-header {
    background: rgba(255, 255, 255, 0.02);
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.article-list-item {
    transition: background-color 0.3s ease;
    cursor: pointer;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.article-list-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.article-list-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--accent-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.article-list-item:hover::before {
    transform: scaleY(1);
}

.article-list-item .title {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.article-list-item .title:hover {
    color: var(--accent-primary);
}

.article-list-item .views {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.article-list-item .tags {
    display: flex;
    gap: 0.5rem;
}

.tag {
    background: rgba(94, 92, 238, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--accent-primary);
    font-weight: 500;
    transition: all 0.3s ease;
}

.tag:hover {
    background: rgba(94, 92, 238, 0.2);
}

.article-list-item .date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Swiper 导航按钮样式 */
.swiper-button-next,
.swiper-button-prev {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 1.2rem;
    font-weight: bold;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-primary);
}

.swiper-button-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 添加滚动条样式 */
.swiper-scrollbar {
    background: rgba(255, 255, 255, 0.05);
    height: 4px !important;
    border-radius: 2px;
    margin-top: 2rem;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.swiper-scrollbar-drag {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    transition: background 0.3s ease;
    cursor: grab;
}

.swiper-scrollbar-drag:active {
    cursor: grabbing;
    background: rgba(255, 255, 255, 0.3);
}

.featured-section:hover .swiper-scrollbar {
    opacity: 1;
}

/* 响应式布局优化 */
@media (max-width: 1440px) {
    .swiper-slide {
        width: calc(33.333% - 20px) !important;
    }
}

@media (max-width: 1024px) {
    .swiper-slide {
        width: calc(50% - 16px) !important;
    }
}

@media (max-width: 640px) {
    .swiper-slide {
        width: 100% !important;
    }
}

/* 添加链接跳转指示器 */
.featured-card::after {
    content: '↗';
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--text-secondary);
    font-size: 1.2rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.featured-card:hover::after {
    opacity: 1;
    transform: translate(2px, -2px);
}

/* 添加加载动画 */
@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.swiper-slide {
    animation: cardFadeIn 0.5s ease forwards;
    animation-delay: calc(var(--card-index) * 0.1s);
}

/* 优化文章列表的响应式布局 */
@media (max-width: 768px) {
    .content-main {
        padding: 4rem 1.5rem;
    }

    .back-button {
        top: 1rem;
        left: 1rem;
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .article-list-header,
    .article-list-item {
        grid-template-columns: 1fr 80px;
        gap: 1rem;
        padding: 1rem;
    }

    .article-list-item .tags {
        grid-column: 1 / -1;
        margin-top: 0.5rem;
    }

    .views-col,
    .date-col {
        display: none;
    }

    .article-list-item .views,
    .article-list-item .date {
        font-size: 0.8rem;
    }
}

/* 优化分页器样式 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.pagination button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination button:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
}

.pagination-number {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    min-width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.pagination-number.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

.pagination-number:hover:not(.active) {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.pagination-ellipsis {
    color: var(--text-secondary);
    padding: 0 0.5rem;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .pagination {
        gap: 0.5rem;
    }

    .pagination button,
    .pagination-number {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }

    .pagination-ellipsis {
        padding: 0 0.25rem;
    }
}