/* 最新动态页面样式 */

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    margin-top: 80px;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* 重要公告 */
.announcement-section {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.announcement-card {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa726 100%);
    border-radius: 15px;
    padding: 30px;
    display: flex;
    align-items: center;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.announcement-card:hover {
    transform: translateY(-5px);
}

.announcement-icon {
    font-size: 3rem;
    margin-right: 30px;
    flex-shrink: 0;
}

.announcement-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.announcement-content p {
    font-size: 1.1rem;
    margin-bottom: 15px;
    opacity: 0.95;
}

.announcement-date {
    font-size: 0.9rem;
    opacity: 0.8;
    font-weight: 500;
}

/* 新闻网格 */
.news-section {
    padding: 80px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.news-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.news-item.featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

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

.news-item:not(.featured) .news-image {
    height: 200px;
}

.news-item.featured .news-image {
    height: 100%;
    min-height: 300px;
}

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

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

.news-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa726 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

.news-content {
    padding: 25px;
}

.news-category {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.news-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.4;
}

.news-item.featured .news-content h3 {
    font-size: 1.6rem;
}

.news-date {
    color: #6c757d;
    font-size: 0.9rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.news-content p {
    color: #5a6c7d;
    line-height: 1.6;
    margin-bottom: 20px;
}

.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: #e9ecef;
    color: #495057;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.pagination-btn {
    background: white;
    border: 2px solid #dee2e6;
    color: #6c757d;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.pagination-btn:hover {
    background: #f8f9fa;
    border-color: #adb5bd;
}

.pagination-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: transparent;
}

/* 媒体中心 */
.media-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.media-item {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.media-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.media-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.media-item h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
}

.media-item p {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 25px;
}

.media-link {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.media-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2.2rem;
    }
    
    .announcement-card {
        flex-direction: column;
        text-align: center;
        padding: 25px;
    }
    
    .announcement-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .news-item.featured {
        grid-template-columns: 1fr;
    }
    
    .news-item.featured .news-image {
        min-height: 200px;
    }
    
    .media-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .media-item {
        padding: 30px 20px;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .announcement-card {
        padding: 20px;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .news-content h3 {
        font-size: 1.1rem;
    }
    
    .news-item.featured .news-content h3 {
        font-size: 1.3rem;
    }
}