/* 新闻中心页面样式 */
:root {
    --news-shadow: 0 10px 30px rgba(0, 168, 255, 0.1);
    --news-radius: 15px;
    --news-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 新闻分类导航 */
.news-nav {
    padding: 30px 0;
    background: var(--light-gray);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.news-nav-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.news-nav-item {
    padding: 10px 25px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--news-transition);
}

.news-nav-item:hover,
.news-nav-item.active {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--news-shadow);
}

/* 新闻列表 */
.news-section {
    padding: 80px 0;
    background: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.news-card {
    background: #fff;
    border-radius: var(--news-radius);
    overflow: hidden;
    box-shadow: var(--news-shadow);
    transition: var(--news-transition);
}

.news-card:hover {
    transform: translateY(-10px);
}

.news-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--news-transition);
}

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

.news-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 15px;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    z-index: 1;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.news-date i {
    font-size: 1rem;
}

.news-title {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-excerpt {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--dark-gray);
    font-size: 0.9rem;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-meta i {
    color: var(--primary-color);
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
    transition: var(--news-transition);
}

.read-more:hover {
    gap: 10px;
}

/* 新闻详情页 */
.news-detail {
    padding: 80px 0;
    background: #fff;
}

.article-header {
    text-align: center;
    margin-bottom: 50px;
}

.article-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.3;
}

.article-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    color: var(--dark-gray);
    font-size: 1rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-meta i {
    color: var(--primary-color);
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
    color: var(--dark-gray);
}

.article-content p {
    margin-bottom: 20px;
}

.article-content img {
    max-width: 100%;
    border-radius: var(--news-radius);
    margin: 30px 0;
}

.article-footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--light-gray);
}

.article-tags {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.article-tag {
    padding: 5px 15px;
    background: var(--light-gray);
    border-radius: 20px;
    color: var(--dark-gray);
    font-size: 0.9rem;
    transition: var(--news-transition);
}

.article-tag:hover {
    background: var(--primary-color);
    color: white;
}

.share-buttons {
    display: flex;
    gap: 15px;
}

.share-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-gray);
    transition: var(--news-transition);
}

.share-button:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* 分页导航 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
    gap: 10px;
}

.page-item {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: #fff;
    color: #333;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.page-item:hover:not(.active):not(.disabled) {
    background-color: #f5f5f5;
    border-color: #ddd;
    color: #1890ff;
}

.page-item.active {
    background-color: #1890ff;
    color: #fff;
    border-color: #1890ff;
    cursor: default;
}

.page-item.disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed;
    border-color: #e0e0e0;
}

.page-item i {
    font-size: 14px;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

    .article-title {
        font-size: 2rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 15px;
    }

    .news-nav-item {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .news-image {
        height: 200px;
    }

    .news-content {
        padding: 20px;
    }

    .news-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .article-title {
        font-size: 1.8rem;
    }
}