.article-meta {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        margin-bottom: 0.5rem;
    }

    .separator-line {
        width: 1px;
        background-color: #dee2e6;
        align-self: stretch;
        margin: 0;
    }

    .category-button {
        padding: 0.25rem 0.75rem;
        font-size: 0.875rem;
        border-radius: 0.25rem;
        background-color: #212529;
        color: white;
        border: none;
        line-height: 1.5;
    }

    .date-text {
        font-weight: 600;
        color: #212529;
        font-size: 0.875rem;
        margin: 0;
    }

    .latest-article-item {
        margin-bottom: 2rem;
    }

    .latest-article-item .img-container {
        position: relative;
        width: 100%;
        height: 0;
        padding-bottom: 80.25%; 
        overflow: hidden;
    }

    .latest-article-item .img-container img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 0.50rem;
    }

    .latest-article-item .row {
        align-items: center;
    }

    @media (max-width: 768px) {
        .latest-article-item .img-container {
            padding-bottom: 100%; 
        }

        .latest-article-item .img-container img {
            border-radius: 0.25rem;
        }
        
        .latest-article-item .col-5 {
            padding-right: 10px;
        }
        
        .latest-article-item .col-7 {
            padding-left: 10px;
        }

        .readmore {
            display: none;
        }
    }

    .article-item {
        display: none;
        transition: transform 0.3s;
    }

    .article-item.show {
        display: block;
    }

    .article-item:hover {
        transform: translateY(-5px);
    }

    .article-title {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        -webkit-line-clamp: 2; 
        white-space: normal; 
        word-wrap: break-word; 
    }

    @media (min-width: 992px) {
        .article-title {
            -webkit-line-clamp: 2; 
        }
    }

    @media (max-width: 576px) {
        .article-title {
            -webkit-line-clamp: 2; 
            max-width: 40ch; 
        }
    }

    .hero-section::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
    }

    .hero-section h1, .hero-section h2 {
        position: relative;
        z-index: 1;
    }

    .hero-section h1 {
        font-size: 2.5rem;
        margin-bottom: 0.5rem;
    }

    .hero-section h2 {
        font-size: 2rem;
    }
    
    .category-nav {
        background: #ffffff;
        border-bottom: 1px solid #eaeaea;
        margin-bottom: 30px;
    }

    .category-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    .category-scroll {
        display: flex;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none; 
        gap: 15px;
        padding: 5px 0;
    }

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

    .category-item {
        flex: 0 0 auto;
        position: relative;
    }

    .category-item a {
        display: inline-block;
        padding: 8px 16px;
        color: #4a4a4a;
        text-decoration: none;
        font-weight: 500;
        font-size: 0.95rem;
        border-radius: 20px;
        transition: all 0.3s ease;
        white-space: nowrap;
        border: 1px solid #eaeaea;
    }

    .category-item a:hover {
        color: #000000;
        background-color: #f5f5f5;
        border-color: #dddddd;
    }

    .category-item.active a {
        background-color: #000000;
        color: #ffffff;
        border-color: #000000;
    }

    .category-count {
        font-size: 0.75rem;
        background-color: #f0f0f0;
        padding: 2px 6px;
        border-radius: 10px;
        margin-left: 5px;
        color: #666;
    }

    .category-item.active .category-count {
        background-color: #333;
        color: #fff;
    }

    @media (max-width: 768px) {
        .hero-section {
            height: 200px;
            padding-left: 5%;
        }
        .hero-section h1 {
            font-size: 1.8rem;
        }
        .hero-section h2 {
            font-size: 1.5rem;
        }

        .category-container {
            padding: 15px;
        }

        .category-item a {
            padding: 6px 12px;
            font-size: 0.875rem;
        }
    }

    .collaboration-card {
        background: linear-gradient(0.11deg, #E31111 0.17%, #F85E5E 99.91%);
        border-radius: 1.25rem;
        position: sticky;
        top: 125px;
        overflow: hidden;
        min-height: 500px;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2.5rem 2rem;
        text-align: center;
    }

    .collaboration-content {
        max-width: 80%;
        z-index: 2;
    }

    .collaboration-title {
        color: white;
        font-size: 2rem;
        font-weight: bold;
        margin-bottom: 1.25rem;
    }

    .collaboration-subtitle {
        color: white;
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 2rem;
        opacity: 0.9;
    }

    .collaboration-button {
        background: white;
        padding: 0.75rem 2rem;
        border-radius: 0.5rem;
        font-weight: 600;
        border: none;
        transition: all 0.3s ease;
        text-decoration: none;
        display: inline-block;
        font-size: 1rem;
    }

    .collaboration-button:hover {
        background: rgba(255, 255, 255, 0.9);
        transform: translateY(-2px);
        text-decoration: none;
    }

    .collaboration-image {
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        max-width: 80%;
        height: auto;
        z-index: 1;
        opacity: 0.8;
    }

    @media (max-width: 991px) {
        .collaboration-card {
            margin-top: 2rem;
            min-height: 370px;
            position: relative;
            padding: 2rem 1.5rem;
            top: 20px;
        }
        
        .collaboration-title {
            font-size: 1.75rem;
            margin-bottom: 1rem;
        }
        
        .collaboration-subtitle {
            font-size: 1rem;
            margin-bottom: 1.5rem;
        }

        .collaboration-button {
            padding: 0.625rem 1.75rem;
            font-size: 0.95rem;
        }

        .collaboration-image {
            max-width: 70%;
        }
    }

    @media (max-width: 576px) {
        .collaboration-card {
            min-height: 370px;
            padding: 1.75rem 1rem;
            margin: 1rem 0.5rem;
            border-radius: 1rem;
            top: 20px;
        }

        .collaboration-content {
            max-width: 95%;
        }
        
        .collaboration-title {
            font-size: 1.4rem;
            margin-bottom: 0.75rem;
        }
        
        .collaboration-subtitle {
            font-size: 0.9rem;
            line-height: 1.4;
            margin-bottom: 1.25rem;
        }

        .collaboration-button {
            padding: 0.5rem 1.5rem;
            font-size: 0.9rem;
            border-radius: 0.375rem;
        }

        .collaboration-button i {
            font-size: 0.9rem;
        }

        .collaboration-image {
            max-width: 60%;
            bottom: 5px;
        }
    }

    @media (max-width: 360px) {
        .collaboration-card {
            min-height: 360px;
            padding: 1.5rem 0.75rem;
            top: 20px;
        }

        .collaboration-title {
            font-size: 1.25rem;
        }

        .collaboration-subtitle {
            font-size: 0.85rem;
            margin-bottom: 1rem;
        }

        .collaboration-button {
            padding: 0.5rem 1.25rem;
            font-size: 0.85rem;
        }

        .collaboration-image {
            max-width: 55%;
        }
    }