.top-header {
            background: #1a2332;
            padding: 8px 0;
        }
        .top-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .top-header .logo img {
            width: 50px;
            height: 50px;
        }
        .top-header .college-info h6 {
            margin: 0;
            font-size: 14px;
            font-weight: 600;
            color: white;
        }
        .top-header .college-info p {
            margin: 0;
            font-size: 11px;
            color: #ccc;
        }
        .top-header .contact-info {
            text-align: right;
            color: white;
        }
        .top-header .contact-info i {
            margin-right: 5px;
        }
        .top-header .contact-info p {
            margin: 0;
            font-size: 12px;
        }
        
        .main-nav {
            background: #2c3e50;
            padding: 0;
        }
        .main-nav .nav-link {
            color: white;
            padding: 15px 20px;
            font-size: 14px;
            font-weight: 500;
            border-radius: 0;
        }
        .main-nav .nav-link:hover {
            background: #34495e;
        }
        .main-nav .nav-link.active {
            background: #3498db;
        }
        
        .hero-banner {
            background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
                        url('assets/images/department-bg.jpg') center/cover;
            min-height: 300px;
            display: flex;
            align-items: center;
            color: white;
        }
        .hero-banner h1 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .hero-banner p {
            font-size: 16px;
            opacity: 0.9;
        }
        
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: #2c3e50;
            margin: 40px 0 30px;
            padding-bottom: 10px;
            border-bottom: 3px solid #3498db;
            text-transform: uppercase;
        }
        
        .display-card {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin-bottom: 30px;
            transition: all 0.3s;
        }
        .display-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
        }
        .display-card .card-header {
            background: #2c3e50;
            color: white;
            padding: 15px 20px;
            font-size: 12px;
        }
        .display-card .card-body {
            padding: 20px;
        }
        .display-card h5 {
            font-size: 16px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 10px;
        }
        .display-card p {
            font-size: 13px;
            color: #666;
            margin-bottom: 15px;
        }
        .display-card .btn-read {
            background: #2c3e50;
            color: white;
            padding: 6px 15px;
            font-size: 12px;
            border-radius: 4px;
            text-decoration: none;
            display: inline-block;
        }
        .display-card .btn-read:hover {
            background: #34495e;
            color: white;
        }
        .display-card .btn-download {
            background: white;
            color: #2c3e50;
            padding: 6px 15px;
            font-size: 12px;
            border: 1px solid #2c3e50;
            border-radius: 4px;
            text-decoration: none;
            display: inline-block;
        }
        .display-card .btn-download:hover {
            background: #2c3e50;
            color: white;
        }
        
        .archive-btn {
            background: white;
            color: #2c3e50;
            border: 1px solid #2c3e50;
            padding: 8px 25px;
            font-size: 14px;
            border-radius: 4px;
        }
        .archive-btn:hover {
            background: #2c3e50;
            color: white;
        }
        
        .footer {
            background: #1a2332;
            color: white;
            padding: 30px 0;
            margin-top: 60px;
        }
        
        @media (max-width: 768px) {
            .hero-banner h1 {
                font-size: 24px;
            }
        }