.filter-section {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}
.filter-tabs .nav-link {
    border: none;
    color: #666;
    font-weight: 500;
}
.filter-tabs .nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 8px;
}
.quick-filters {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 1rem;
    justify-content: center;
}
.quick-filter-btn {
    border: 1px solid #dee2e6;
    border-radius: 20px;
    padding: 6px 15px;
    font-size: 0.85rem;
    transition: all 0.3s;
    text-decoration: none;
    color: #333;
    background: white;
}
.quick-filter-btn:hover,
.quick-filter-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
    text-decoration: none;
}

.article-card {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
    transition: transform .3s;
    height: 100%;
    background: white;
    border: 1px solid #e9ecef;
}
.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,.15);
}
.article-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.article-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    height: calc(100% - 200px);
}
.article-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    line-height: 1.4;
    color: #333;
    height: 3.2em;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}
.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    color: #666;
    flex-wrap: wrap;
    gap: 10px;
}
.article-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}
.article-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.75rem 0;
    border-top: 1px solid #f1f1f1;
    border-bottom: 1px solid #f1f1f1;
}
.article-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    color: #666;
}
.article-lead {
    color: #555;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 4.8em;
}
.btn-more {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    transition: all 0.3s;
    text-decoration: none;
    font-size: 0.9rem;
    text-align: center;
    display: inline-block;
}
.btn-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    color: white;
    text-decoration: none;
}

.article-logo {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,.85);
    border-radius: 6px;
    padding: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,.15);
    z-index: 2;
}
.article-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stats-card {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: transform 0.3s;
}
.stats-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
}

.pagination .page-link {
    color: #667eea;
    border: 1px solid #dee2e6;
    margin: 0 2px;
    border-radius: 6px;
}
.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
}
.pagination .page-link:hover {
    background: #f8f9fa;
    border-color: #667eea;
}

.badge-hot {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    z-index: 2;
}