/* =========================
   页面标题样式
========================= */
.page-header {
    background: #666 url('../images/n-banner6.jpg') center/cover no-repeat;
    padding: calc(5rem + 3vw) 5% calc(2.5rem + 1vw);
    min-height: 28.125rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    position: relative;
}

.page-header-inner {
    max-width: 100rem;
    margin: 0 auto;
    width: 100%;
}

.page-header-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 0.625rem 0;
    letter-spacing: 0.125rem;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 1.5rem 0;
}

.page-header-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* =========================
   新闻详情区域样式
========================= */
.news-detail {
    padding: 7.5rem 5% 5rem;
    background: #fff;
}

.news-detail-inner {
    max-width: 62.5rem;
    margin: 0 auto;
    padding: 0 1.25rem;
    box-sizing: border-box;
}

.news-detail-header {
    text-align: center;
    margin-bottom: 3.75rem;
}

.news-detail-title {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin: 0 0 1.5rem 0;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    font-size: 0.875rem;
    color: #999;
}

.news-detail-content {
    margin-bottom: 3.75rem;
}

.news-detail-image {
    margin: 2.5rem 0;
}

.news-detail-image img {
    width: 100%;
    height: auto;
    border-radius: 0.25rem;
}

.news-detail-body {
    font-size: 1rem;
    line-height: 1.8;
    color: #666;
}

.news-detail-body p {
    margin: 0 0 1.5rem 0;
}

.news-detail-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #333;
    margin: 2.5rem 0 1.5rem 0;
    padding-bottom: 0.625rem;
    border-bottom: 0.0625rem solid #eee;
}

.news-detail-actions {
    text-align: center;
    margin-bottom: 5rem;
    padding-top: 2.5rem;
    border-top: 0.0625rem solid #eee;
}

.news-back-btn {
    display: inline-block;
    padding: 0.875rem 2.5rem;
    background: transparent;
    color: #005AAA;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 0.25rem;
    border: 0.0625rem solid #005AAA;
    transition: all 0.3s ease;
}

.news-back-btn:hover {
    background: #005AAA;
    color: #fff;
}

/* =========================
   相关新闻样式
========================= */
.news-related {
    padding-top: 2.5rem;
    border-top: 0.0625rem solid #eee;
}

.news-related-title {
    font-size: 1.375rem;
    font-weight: 600;
    color: #333;
    margin: 0 0 2.5rem 0;
    padding-bottom: 0.625rem;
    border-bottom: 0.125rem solid #005AAA;
    display: inline-block;
}

.news-related-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.news-related-item {
    border: 0.0625rem solid #eee;
    border-radius: 0.25rem;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.news-related-item:hover {
    box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.1);
}

.news-related-item a {
    text-decoration: none;
    display: block;
}

.news-related-image {
    width: 100%;
    height: 12.5rem;
    overflow: hidden;
}

.news-related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-related-info {
    padding: 1.25rem;
}

.news-related-info h4 {
    font-size: 0.9375rem;
    font-weight: 500;
    color: #333;
    margin: 0 0 0.75rem 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-related-date {
    font-size: 0.8125rem;
    color: #999;
}

/* =========================
   响应式样式
========================= */
@media (max-width: 768px) {
    .news-detail-title {
        font-size: 1.5rem;
    }
    
    .news-detail-meta {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .news-detail-body {
        font-size: 0.9375rem;
    }
    
    .news-detail-body h3 {
        font-size: 1.125rem;
    }
    
    .news-related-list {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .news-related-image {
        height: 10rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .news-related-list {
        grid-template-columns: repeat(2, 1fr);
    }
}