:root {
            /* Variables de color con tema rojo */
            --unsxx-primary: #b71c1c;
            --unsxx-primary-dark: #8e0000;
            --unsxx-primary-light: #f44336;
            --unsxx-secondary: #333333;
            --unsxx-accent: #d32f2f;
            --unsxx-light: #f5f5f5;
            --unsxx-card-bg: #ffffff;
            --unsxx-shadow: rgba(183, 28, 28, 0.1);
            --unsxx-text: #222222;
            --unsxx-text-light: #666666;
            --unsxx-gradient: linear-gradient(135deg, #b71c1c 0%, #d32f2f 100%);
        }

        /* Estilos específicos para la sección de convocatorias */
        .unsxx-convocatorias-section {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--unsxx-gradient);
            padding: 80px 0;
            color: white;
            margin: 0;
            width: 100%;
            overflow: hidden;
        }

        .unsxx-convocatorias-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .unsxx-section-title {
            text-align: center;
            margin-bottom: 60px;
            color: white;
            position: relative;
            font-size: 3rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .unsxx-section-title::after {
            content: '';
            position: absolute;
            width: 150px;
            height: 4px;
            background-color: white;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        /* Grid de convocatorias */
        .unsxx-convocatorias-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        /* Tarjeta individual de convocatoria */
        .unsxx-convocatoria-card {
            background-color: var(--unsxx-card-bg);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
            border-top: 5px solid var(--unsxx-primary);
        }

        .unsxx-convocatoria-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
        }

        .unsxx-convocatoria-img {
            height: 200px;
            width: 100%;
            object-fit: cover;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #f8f8f8;
            overflow: hidden;
        }

        .unsxx-document-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .unsxx-convocatoria-card:hover .unsxx-document-image {
            transform: scale(1.05);
        }

        .unsxx-convocatoria-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .unsxx-convocatoria-title {
            color: var(--unsxx-primary);
            margin-bottom: 15px;
            font-size: 1.4rem;
            line-height: 1.4;
            font-weight: 700;
        }

        .unsxx-convocatoria-description {
            color: var(--unsxx-text-light);
            margin-bottom: 20px;
            line-height: 1.6;
            flex-grow: 1;
            font-size: 0.95rem;
        }

        .unsxx-convocatoria-date {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            color: var(--unsxx-primary);
            font-weight: 700;
            font-size: 0.95rem;
            background-color: rgba(183, 28, 28, 0.1);
            padding: 10px 15px;
            border-radius: 8px;
            border-left: 4px solid var(--unsxx-primary);
        }

        .unsxx-convocatoria-date i {
            margin-right: 10px;
            font-size: 1.1rem;
        }

        .unsxx-download-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--unsxx-gradient);
            color: white;
            padding: 14px 20px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 700;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            width: 100%;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(183, 28, 28, 0.3);
        }

        .unsxx-download-btn i {
            margin-right: 10px;
            font-size: 1.2rem;
        }

        .unsxx-download-btn:hover {
            background: var(--unsxx-primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(183, 28, 28, 0.4);
        }

        /* Responsividad */
        @media (max-width: 1200px) {
            .unsxx-convocatorias-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 25px;
            }
            
            .unsxx-section-title {
                font-size: 2.7rem;
            }
        }

        @media (max-width: 992px) {
            .unsxx-convocatorias-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 25px;
            }
            
            .unsxx-section-title {
                font-size: 2.4rem;
            }
            
            .unsxx-convocatorias-section {
                padding: 70px 0;
            }
        }

        @media (max-width: 768px) {
            .unsxx-convocatorias-grid {
                grid-template-columns: 1fr;
                gap: 25px;
                max-width: 500px;
                margin: 0 auto;
            }
            
            .unsxx-section-title {
                font-size: 2.1rem;
                margin-bottom: 50px;
            }
            
            .unsxx-convocatorias-section {
                padding: 60px 0;
            }
        }

        @media (max-width: 576px) {
            .unsxx-convocatoria-content {
                padding: 20px;
            }
            
            .unsxx-section-title {
                font-size: 1.8rem;
            }
            
            .unsxx-convocatorias-container {
                padding: 0 15px;
            }
        }

        @media (max-width: 400px) {
            .unsxx-section-title {
                font-size: 1.6rem;
            }
        }

        /* Efecto de borde superior en hover */
        .unsxx-convocatoria-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--unsxx-gradient);
            transform: scaleX(0);
            transition: transform 0.4s ease;
            transform-origin: left;
        }

        .unsxx-convocatoria-card:hover::before {
            transform: scaleX(1);
        }