/* 新闻资讯页面样式 */

/* 新闻筛选 */
.news-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    border: 2px solid var(--gray-300);
    background: white;
    color: var(--gray-600);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--secondary-color);
    background: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(49, 130, 206, 0.3);
}

/* 新闻搜索 */
.news-search-section {
    padding: 40px 0;
    background: var(--gray-50);
    margin-bottom: 40px;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.search-box {
    position: relative;
    margin-bottom: 20px;
}

.search-input {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border: 2px solid var(--gray-300);
    border-radius: 25px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

.search-btn {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 20px;
    padding: 10px 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: var(--primary-color);
    transform: translateY(-50%) scale(1.05);
}

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

.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.news-main {
    display: grid;
    gap: 30px;
}

.news-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 0;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    overflow: hidden;
}

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

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

.news-category {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.news-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.news-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--gray-500);
}

.news-date {
    color: var(--secondary-color);
    font-weight: 500;
}

.news-views {
    color: var(--gray-400);
}

.news-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.4;
}

.news-excerpt {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.news-read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    align-self: flex-start;
}

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

/* 侧边栏 */
.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* 热门新闻 */
.popular-news {
    background: var(--gray-50);
    padding: 30px;
    border-radius: 12px;
}

.sidebar-title {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 600;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.popular-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.popular-item:last-child {
    border-bottom: none;
}

.popular-item:hover {
    background: white;
    padding-left: 10px;
    border-radius: 8px;
}

.popular-rank {
    background: var(--secondary-color);
    color: white;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    flex-shrink: 0;
}

.popular-title {
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.4;
    flex: 1;
}

.popular-views {
    color: var(--gray-400);
    font-size: 0.8rem;
}

/* 新闻分类 */
.news-categories {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.category-list {
    list-style: none;
}

.category-item {
    margin-bottom: 15px;
}

.category-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--gray-600);
    text-decoration: none;
    padding: 10px 0;
    transition: all 0.3s ease;
    border-radius: 6px;
}

.category-link:hover {
    color: var(--secondary-color);
    background: var(--gray-50);
    padding-left: 10px;
}

.category-count {
    background: var(--gray-200);
    color: var(--gray-600);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 60px;
}

.page-btn {
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    background: white;
    color: var(--gray-600);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.page-btn:hover:not(.disabled) {
    border-color: var(--secondary-color);
    background: var(--secondary-color);
    color: white;
}

.page-btn.active {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 新闻详情模态框 */
.news-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    overflow-y: auto;
}

.modal-content {
    background: white;
    margin: 50px auto;
    max-width: 800px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 30px;
    border-bottom: 1px solid var(--gray-200);
}

.modal-title {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.modal-meta {
    display: flex;
    gap: 20px;
    color: var(--gray-500);
    font-size: 0.9rem;
}

.modal-body {
    padding: 30px;
    line-height: 1.8;
    color: var(--gray-700);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gray-200);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--gray-600);
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--error-color);
    color: white;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .news-card {
        grid-template-columns: 1fr;
    }
    
    .news-image {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .news-section {
        padding: 60px 0;
    }
    
    .news-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .news-card {
        grid-template-columns: 1fr;
    }
    
    .news-content {
        padding: 20px;
    }
    
    .news-title {
        font-size: 1.2rem;
    }
    
    .popular-news,
    .news-categories {
        padding: 25px 20px;
    }
    
    .modal-content {
        margin: 20px;
        max-width: none;
    }
    
    .modal-header,
    .modal-body {
        padding: 25px 20px;
    }
}

@media (max-width: 480px) {
    .news-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 200px;
    }
    
    .search-input {
        padding: 12px 45px 12px 15px;
        font-size: 14px;
    }
    
    .news-content {
        padding: 15px;
    }
    
    .news-meta {
        flex-direction: column;
        gap: 8px;
    }
    
    .popular-news,
    .news-categories {
        padding: 20px 15px;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .page-btn {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
}