/* 页面标题样式 */
.page-title {
    background: var(--light-gray);
    padding: 40px 0;
    margin-bottom: 60px;
    position: relative;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--gradient-primary);
}

.page-title h1 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 36px;
    text-align: center;
    margin: 0;
    letter-spacing: 2px;
    font-weight: 800;
}

/* 新闻分类筛选 */
.news-filter {
    padding: 20px 0 40px;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    border: 1px solid var(--primary-color);
    border-radius: 25px;
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 15px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

/* 新闻列表样式 */
.news-list {
    padding: 40px 0 80px;
    background: var(--light-gray);
}

.news-items {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.news-item {
    display: block;
    background: white;
    border-radius: 20px;
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(6, 182, 212, 0.2);
}

.news-content {
    padding: 25px;
}

.news-image {
    display: block;
    margin-bottom: 20px;
}

.news-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.news-content {
    padding: 0;
}

.news-content time {
    color: #666;
    font-size: 14px;
    display: block;
    margin-bottom: 10px;
}

.news-content h3 {
    font-size: 18px;
    margin: 0 0 15px;
    line-height: 1.4;
}

.news-content h3 a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 700;
}

.news-content h3 a:hover {
    color: var(--primary-color);
}

.excerpt {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.category-tag {
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
}

.category-tag.energy {
    background: #e3f2fd;
    color: #1976d2;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.read-more:hover {
    gap: 12px;
}

.read-more i {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(4px);
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.pagination a,
.pagination span {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #ddd;
    border-radius: 8px;
    color: #666;
    text-decoration: none;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination a.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

/* 删除之前的隐藏样式 */
.news-image,
.news-date {
    display: block;
}