.page-header {
    text-align: center;
    margin-bottom: 50px
 }

 .page-title {
    font-size: 42px;
    font-weight: 900;
    color: #333;
    margin-bottom: 10px
 }

 .page-subtitle {
    font-size: 16px;
    color: #666
 }

 .tab-navigation {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    border-bottom: 2px solid #e0e0e0;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #00C4CC #f0f0f0;
 }

 /* Custom Scrollbar for Webkit browsers */
 .tab-navigation::-webkit-scrollbar {
    height: 1px;
 }

 .tab-navigation::-webkit-scrollbar-track {
    background: #f0f0f0;
 }

 .tab-navigation::-webkit-scrollbar-thumb {
    background: #00C4CC;
    border-radius: 2px;
 }

 .tab-navigation::-webkit-scrollbar-thumb:hover {
    background: #00C4CC;
 }

 .tab-button {
    background: none;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 700;
    color: #999;
    cursor: pointer;
    position: relative;
    transition: all .3s ease;
    text-transform: uppercase;
    letter-spacing: .5px
 }

 .tab-button:hover {
    color: #00c4cd
 }

 .tab-button.active {
    color: #00c4cd
 }

 .tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: #00c4cd
 }

 .tab-content {
    display: none
 }

 .tab-content.active {
    display: block
 }

 .articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 30px;
    margin-bottom: 60px
 }

 .article-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    transition: all .3s ease;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .1)
 }

 .article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 196, 205, .2)
 }

 .article-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #c0f0f3 0%, #a8ecf0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #666;
    overflow: hidden
 }

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

 .article-body {
    padding: 25px
 }

 .article-date {
    font-size: 12px;
    color: #00c4cd;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 10px;
    letter-spacing: .5px
 }

 .article-title {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
    line-height: 1.4;
    min-height: 50px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden
 }

 .article-description {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden
 }

 .article-link {
    color: #00c4cd;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all .3s ease;
    display: inline-block
 }

 .article-link:hover {
    color: #00a5b0;
    margin-right: -5px;
    margin-left: 5px
 }

 .empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #999
 }

 .empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: .5
 }

 .empty-state-text {
    font-size: 18px;
    color: #666
 }

 @media (max-width:768px) {
    .page-title {
       font-size: 28px
    }

    .articles-grid {
       grid-template-columns: 1fr;
       gap: 20px
    }

    .tab-button {
       padding: 12px 10px;
       font-size: 14px
    }
 }