.category-tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
    padding: 0;
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 999;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.category-tab {
    flex-shrink: 0;
    padding: 15px 20px;
    color: #666;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
}

.category-tab:hover {
    color: #333;
}

.category-tab.active {
    color: var(--main-orange);
    border-bottom-color: var(--main-orange);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.v-card {
    background: #f0f0f0;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    transition: 0.3s;
    cursor: pointer;
    padding: 0 0 10px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.v-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.v-thumb {
    width: 100%;
    height: 200px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.v-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.v-title {
    line-clamp: 2;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
    font-size: 13px;
    margin: 10px 3px;
    line-height: 20px;
    color: #333;
}

.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.edu-card {
    background: rgba(0, 0, 0, 0.02);
    padding: 15px;
    border-radius: 8px;
}

.edu-card h4 {
    color: var(--main-orange);
    margin-bottom: 8px;
}

.edu-card p {
    font-size: 12px;
    color: #666;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .news-scroll-wrapper {
    }
}