:root {
            --primary-color: #1a5fb4;
            --secondary-color: #26a269;
            --accent-color: #e5a50a;
            --dark-color: #1a1a1a;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
        }
        body {
            font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            color: var(--dark-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .navbar {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            padding-top: 0.75rem;
            padding-bottom: 0.75rem;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem;
            transition: color 0.3s;
        }
        .nav-link:hover {
            color: var(--primary-color);
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(26, 95, 180, 0.9) 0%, rgba(38, 162, 105, 0.85) 100%), url('https://images.unsplash.com/photo-1575361204480-aadea25e6e68?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 8rem 0 6rem;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            max-width: 700px;
            opacity: 0.95;
        }
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--dark-color);
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 0.75rem;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 2px;
        }
        .section-title.text-center::after {
            left: 50%;
            transform: translateX(-50%);
        }
        .section-padding {
            padding: 5rem 0;
        }
        .feature-card {
            background: white;
            border-radius: 12px;
            padding: 2.5rem 2rem;
            height: 100%;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #eee;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.05);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), #2d7dd2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
        }
        .feature-icon i {
            font-size: 1.8rem;
            color: white;
        }
        .stat-card {
            text-align: center;
            padding: 2.5rem 1.5rem;
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .news-card {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s;
            height: 100%;
            background: white;
        }
        .news-card:hover {
            transform: translateY(-8px);
        }
        .news-img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .news-content {
            padding: 1.8rem;
        }
        .news-date {
            color: var(--gray-color);
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        .footer {
            background: var(--dark-color);
            color: #ddd;
            padding: 4rem 0 2rem;
        }
        .footer-links h5 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            margin-top: 3rem;
            font-size: 0.9rem;
            color: #888;
        }
        .friendlink {
            background: #f8f9fa;
            padding: 3rem 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 0.6rem 1.5rem;
            margin: 0.5rem;
            border-radius: 30px;
            color: var(--dark-color);
            text-decoration: none;
            border: 1px solid #dee2e6;
            transition: all 0.3s;
            font-weight: 500;
        }
        .flink:hover {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-2px);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), #2d7dd2);
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #0d4a9e, var(--primary-color));
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(26, 95, 180, 0.3);
        }
        .contact-info {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            border-radius: 15px;
            padding: 3rem;
        }
        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
        }
        .contact-icon i {
            font-size: 1.5rem;
            color: white;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .contact-info {
                padding: 2rem;
            }
        }
        .highlight-text {
            color: var(--primary-color);
            font-weight: 700;
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 95, 180, 0.25);
        }
        .animated-fade-in {
            animation: fadeIn 1s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }