:root {
            --primary-color: #1a3a6c;
            --secondary-color: #e63946;
            --accent-color: #2a9d8f;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color) !important;
        }
        .navbar-brand i {
            color: var(--secondary-color);
        }
        .hero-section {
            background: linear-gradient(rgba(26, 58, 108, 0.85), rgba(42, 157, 143, 0.8)), url('https://images.unsplash.com/photo-1551958219-acbc608c6377?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 120px 0;
            text-align: center;
        }
        .hero-section h1 {
            color: white;
            font-size: 3.5rem;
            margin-bottom: 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            position: relative;
            margin-bottom: 50px;
            text-align: center;
        }
        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }
        .card {
            border: none;
            border-radius: 12px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.15);
        }
        .card-icon {
            font-size: 2.5rem;
            color: var(--accent-color);
            margin-bottom: 20px;
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: scale(1.05);
        }
        .feature-box {
            padding: 30px;
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
        }
        .feature-box:hover {
            background: var(--light-color);
        }
        .stats-box {
            background: var(--primary-color);
            color: white;
            padding: 30px;
            border-radius: 12px;
            text-align: center;
        }
        .stats-box h3 {
            color: white;
            font-size: 2.5rem;
            margin-bottom: 10px;
        }
        .news-card {
            border-left: 5px solid var(--accent-color);
        }
        .team-img {
            width: 150px;
            height: 150px;
            object-fit: cover;
            border-radius: 50%;
            border: 5px solid var(--light-color);
            box-shadow: var(--shadow);
            margin-bottom: 20px;
        }
        .contact-info i {
            color: var(--accent-color);
            margin-right: 15px;
            font-size: 1.2rem;
        }
        .footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
        }
        .footer a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer a:hover {
            color: white;
            text-decoration: underline;
        }
        .friendlink {
            background: var(--light-color);
            padding: 50px 0;
        }
        .flink {
            display: inline-block;
            padding: 10px 20px;
            margin: 8px;
            background: white;
            border-radius: 8px;
            color: var(--primary-color);
            font-weight: 600;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-decoration: none;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-5px);
        }
        .form-control:focus {
            border-color: var(--accent-color);
            box-shadow: 0 0 0 0.25rem rgba(42, 157, 143, 0.25);
        }
        @media (max-width: 768px) {
            .hero-section h1 {
                font-size: 2.5rem;
            }
            .hero-section {
                padding: 80px 0;
            }
            .section-padding {
                padding: 50px 0;
            }
        }
        .article-content {
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 20px;
            border-left: 4px solid var(--accent-color);
            margin: 20px 0;
        }
        .table-responsive {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .table thead {
            background-color: var(--primary-color);
            color: white;
        }