.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 100px 0 60px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.1"><polygon points="1000,100 1000,0 0,100"/></svg>') no-repeat bottom center;
    background-size: cover;
}

.page-header-content {
    position: relative;
    z-index: 2;
}

.news-list-container {
    padding: 60px 0;
}

.news-item {
    background: white;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    border-left: 4px solid var(--secondary-color);
    display: flex;
    gap: 20px;
}

.news-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.news-image {
    flex-shrink: 0;
    width: 180px;
    height: 120px;
    border-radius: 10px;
    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-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
    text-decoration: none;
    display: block;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.news-title:hover {
    color: var(--secondary-color);
}

.news-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    font-size: 0.95rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #999;
    font-size: 0.85rem;
    margin-top: auto;
}

.news-date {
    display: flex;
    align-items: center;
    gap: 5px;
}

@media (max-width: 768px) {
    .news-item {
        flex-direction: column;
        gap: 15px;
    }
    
    .news-image {
        width: 100%;
        height: 200px;
    }
}

.news-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
}

.tag-hot {
    background-color: #ff6b6b;
    color: white;
}

.tag-tech {
    background-color: #3498db;
    color: white;
}

.tag-strategy {
    background-color: #27ae60;
    color: white;
}

.tag-trend {
    background-color: #f39c12;
    color: white;
}

.tag-case {
    background-color: #9b59b6;
    color: white;
}

.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.pagination .page-link {
    color: var(--primary-color);
    border: 1px solid #dee2e6;
    padding: 10px 15px;
    margin: 0 2px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.pagination .page-item.active .page-link {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.sidebar {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.sidebar h5 {
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.sidebar h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--secondary-color);
    border-radius: 2px;
}

.category-list, .hot-news-list {
    list-style: none;
    padding: 0;
}

.category-list li, .hot-news-list li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.category-list li:last-child, .hot-news-list li:last-child {
    border-bottom: none;
}

.category-list a, .hot-news-list a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.category-list a:hover, .hot-news-list a:hover {
    color: var(--secondary-color);
}
.qr-code-container {
    display: inline-block;
}