:root {
            --primary-color: #0a4a7a;
            --secondary-color: #c89f2d;
            --accent-color: #2a6e3f;
            --light-bg: #f8f9fa;
            --dark-text: #333333;
            --transition-speed: 0.3s;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--dark-text);
            line-height: 1.7;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.5rem;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(10, 74, 122, 0.85), rgba(10, 74, 122, 0.9)), url('https://images.unsplash.com/photo-1523050854058-8df90110c9f1?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 8rem 0 6rem;
            position: relative;
        }
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 2.5rem;
            color: var(--primary-color);
            font-weight: 700;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        .text-center .section-title::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .feature-card {
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
            border: none;
            border-radius: 10px;
            overflow: hidden;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .feature-icon {
            width: 80px;
            height: 80px;
            background-color: rgba(10, 74, 122, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            color: var(--primary-color);
            font-size: 2rem;
        }
        .news-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform var(--transition-speed);
            height: 100%;
        }
        .news-card:hover {
            transform: translateY(-5px);
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background-color: var(--primary-color);
            color: white;
            padding: 5px 15px;
            border-radius: 5px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .department-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: all var(--transition-speed);
            height: 100%;
        }
        .department-card:hover {
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .teacher-card {
            text-align: center;
            padding: 2rem 1.5rem;
            border-radius: 10px;
            background-color: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform var(--transition-speed);
            height: 100%;
        }
        .teacher-card:hover {
            transform: translateY(-5px);
        }
        .teacher-img {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 1.5rem;
            border: 5px solid var(--light-bg);
        }
        .flink {
            display: inline-block;
            padding: 8px 20px;
            margin: 5px;
            background-color: var(--light-bg);
            border-radius: 5px;
            transition: all var(--transition-speed);
            text-decoration: none;
            color: var(--dark-text);
            border: 1px solid #dee2e6;
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-3px);
        }
        .contact-info {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0;
        }
        .contact-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
        }
        .btn-primary-custom {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 30px;
            border-radius: 5px;
            transition: all var(--transition-speed);
        }
        .btn-primary-custom:hover {
            background-color: #083a5f;
            border-color: #083a5f;
            transform: translateY(-3px);
        }
        .btn-secondary-custom {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            color: white;
            padding: 10px 30px;
            border-radius: 5px;
            transition: all var(--transition-speed);
        }
        .btn-secondary-custom:hover {
            background-color: #b08c25;
            border-color: #b08c25;
            color: white;
            transform: translateY(-3px);
        }
        .stats-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1;
        }
        footer {
            background-color: #1a1a1a;
            color: #ccc;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            z-index: 1000;
            opacity: 0;
            transition: opacity var(--transition-speed);
        }
        .back-to-top.show {
            opacity: 1;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 6rem 0 4rem;
            }
            .stats-number {
                font-size: 2.5rem;
            }
        }
        .campus-life img {
            transition: transform var(--transition-speed);
        }
        .campus-life img:hover {
            transform: scale(1.05);
        }
        .modal-content {
            border-radius: 10px;
            border: none;
        }
        .modal-header {
            background-color: var(--primary-color);
            color: white;
            border-radius: 10px 10px 0 0;
        }
        .admission-form .form-control {
            border-radius: 5px;
            padding: 10px 15px;
            border: 1px solid #ced4da;
        }
        .admission-form .form-label {
            font-weight: 600;
            color: var(--primary-color);
        }