/* 页面banner样式 */
.page-banner {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-bottom: 60px;
}

.page-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-banner .banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--white);
    width: 100%;
    padding: 0 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.page-banner .banner-text h1 {
    font-size: 48px;
    margin-bottom: 15px;
}

.page-banner .banner-text p {
    font-size: 24px;
    opacity: 0.9;
}

/* 新闻筛选区域 */
.news-filters {
    margin-bottom: 40px;
}

.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.search-box input {
    flex: 1;
    padding: 12px 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.search-box button {
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-box button:hover {
    background-color: #004080;
}

.category-filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.category-filters button {
    padding: 8px 20px;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    background: none;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s;
}

.category-filters button:hover,
.category-filters button.active {
    background-color: var(--primary-color);
    color: var(--white);
}

/* 新闻列表 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.news-item {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.news-item:hover {
    transform: translateY(-5px);
}

.news-image {
    position: relative;
    height: 250px;
}

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

.news-image .category {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}

.news-content {
    padding: 20px;
}

.news-meta {
    margin-bottom: 10px;
}

.news-meta .date {
    color: #666;
    font-size: 14px;
}

.news-content h3 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-content p {
    color: var(--text-color);
    margin-bottom: 15px;
    line-height: 1.6;
}

.read-more {
    display: inline-block;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.read-more:hover {
    color: var(--primary-color);
}

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

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
}

.pagination a:hover,
.pagination a.active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination .next {
    width: auto;
    padding: 0 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-banner {
        height: 300px;
    }

    .page-banner .banner-text h1 {
        font-size: 36px;
    }

    .page-banner .banner-text p {
        font-size: 18px;
    }

    .category-filters {
        gap: 10px;
    }

    .category-filters button {
        padding: 6px 15px;
        font-size: 14px;
    }
}

@media (max-width: 576px) {
    .search-box {
        flex-direction: column;
    }

    .search-box button {
        width: 100%;
    }

    .news-image {
        height: 200px;
    }
}