:root {
            --primary-color: #0056b3;
            --secondary-color: #28a745;
            --accent-color: #ffc107;
            --light-bg: #f8f9fa;
            --dark-text: #212529;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark-text);
            overflow-x: hidden;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--secondary-color) !important;
        }
        .hero-section {
            background: linear-gradient(rgba(0, 84, 179, 0.8), rgba(0, 84, 179, 0.9)), url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 150px 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
            text-align: center;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
        }
        .card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .btn-primary:hover {
            background-color: #004494;
        }
        .footer {
            background-color: #2c3e50;
            color: white;
            padding: 60px 0 20px;
        }
        .footer a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer a:hover {
            color: var(--accent-color);
        }
        .flink {
            display: inline-block;
            padding: 8px 15px;
            margin: 5px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            transition: background 0.3s;
        }
        .flink:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .research-area-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--primary-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        .timeline-content {
            padding: 20px;
            background-color: var(--light-bg);
            border-radius: 10px;
        }
        @media (max-width: 768px) {
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
        }
        .publication-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        .team-member img {
            width: 150px;
            height: 150px;
            object-fit: cover;
            border-radius: 50%;
            border: 5px solid var(--light-bg);
        }
        .contact-info i {
            width: 40px;
            font-size: 1.2rem;
            color: var(--primary-color);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .news-card {
            border-left: 5px solid var(--secondary-color);
        }