:root {
            --ou-blue: #003366;
            --ou-gold: #D4AF37;
            --ou-light: #F5F7FA;
            --ou-dark: #1a2a3a;
        }
        body {
            font-family: 'Open Sans', sans-serif;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, .display-1, .display-2, .display-3 {
            font-family: 'Merriweather', serif;
            color: var(--ou-dark);
            font-weight: 700;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--ou-blue) !important;
        }
        .navbar {
            background-color: white;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
            transition: all 0.3s ease;
        }
        .navbar-nav .nav-link {
            color: var(--ou-dark) !important;
            font-weight: 600;
            padding: 0.5rem 1.2rem !important;
            border-radius: 4px;
            transition: all 0.2s;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--ou-blue) !important;
            background-color: rgba(0, 51, 102, 0.05);
        }
        .hero-section {
            background: linear-gradient(rgba(0, 51, 102, 0.85), rgba(0, 51, 102, 0.92)), url('https://images.unsplash.com/photo-1562774053-701939374585?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2064&q=80') center/cover no-repeat;
            color: white;
            padding: 8rem 0 6rem;
            position: relative;
        }
        .hero-section h1 {
            color: white;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
        }
        .section-padding {
            padding: 5rem 0;
        }
        .section-title {
            position: relative;
            padding-bottom: 1rem;
            margin-bottom: 3rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 70px;
            height: 4px;
            background-color: var(--ou-gold);
            border-radius: 2px;
        }
        .text-center.section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            border-radius: 12px;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.12);
        }
        .card-img-top {
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img-top {
            transform: scale(1.05);
        }
        .icon-box {
            width: 70px;
            height: 70px;
            background-color: rgba(0, 51, 102, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: var(--ou-blue);
            font-size: 1.8rem;
        }
        .bg-light-blue {
            background-color: #f0f7ff;
        }
        .btn-ou-primary {
            background-color: var(--ou-blue);
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            border: 2px solid var(--ou-blue);
            transition: all 0.3s;
        }
        .btn-ou-primary:hover {
            background-color: transparent;
            color: var(--ou-blue);
        }
        .btn-ou-outline {
            background-color: transparent;
            color: var(--ou-blue);
            padding: 0.75rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            border: 2px solid var(--ou-blue);
            transition: all 0.3s;
        }
        .btn-ou-outline:hover {
            background-color: var(--ou-blue);
            color: white;
        }
        footer {
            background-color: var(--ou-dark);
            color: #ddd;
            padding-top: 4rem;
        }
        footer a {
            color: #bbb;
            text-decoration: none;
            transition: color 0.2s;
        }
        footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-bottom {
            background-color: rgba(0, 0, 0, 0.3);
            padding: 1.5rem 0;
            margin-top: 3rem;
        }
        .flink {
            display: inline-block;
            padding: 0.5rem 1rem;
            margin: 0.3rem;
            background-color: rgba(255,255,255,0.1);
            border-radius: 4px;
            transition: all 0.3s;
            color: #bbb;
            border: 1px solid rgba(255,255,255,0.15);
        }
        .flink:hover {
            background-color: rgba(255,255,255,0.2);
            color: white;
            text-decoration: none;
            transform: translateY(-3px);
        }
        .news-item {
            border-left: 4px solid var(--ou-blue);
            padding-left: 1rem;
            margin-bottom: 1.8rem;
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--ou-blue);
            line-height: 1;
        }
        .campus-img {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .accordion-button {
            font-weight: 600;
            color: var(--ou-dark);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(0, 51, 102, 0.05);
            color: var(--ou-blue);
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(0, 51, 102, 0.25);
        }
        .timeline-item {
            border-left: 3px solid var(--ou-gold);
            padding-left: 2rem;
            padding-bottom: 2rem;
            position: relative;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--ou-gold);
        }
        .contact-info-box {
            background-color: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            height: 100%;
            border-top: 5px solid var(--ou-blue);
        }
        .contact-info-box i {
            color: var(--ou-blue);
            margin-bottom: 1rem;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 6rem 0 4rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .display-4 {
                font-size: 2.5rem;
            }
        }