:root {
            --primary-color: #0a4a7a;
            --secondary-color: #d4af37;
            --accent-color: #2e8540;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --text-color: #333;
            --border-radius: 8px;
            --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Microsoft YaHei', 'Segoe UI', sans-serif;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title {
            position: relative;
            margin-bottom: 3rem;
            text-align: center;
        }
        .section-title:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding-top: 0.8rem;
            padding-bottom: 0.8rem;
            transition: var(--transition);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .nav-link {
            font-weight: 600;
            color: var(--primary-color) !important;
            margin: 0 0.5rem;
            position: relative;
            padding: 0.5rem 0 !important;
        }
        .nav-link:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }
        .nav-link:hover:after, .nav-link.active:after {
            width: 100%;
        }
        .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&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: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .hero-subtitle {
            font-size: 1.4rem;
            margin-bottom: 2.5rem;
            opacity: 0.9;
        }
        .feature-card {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 2rem;
            height: 100%;
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), #0d5a9e);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: white;
            font-size: 1.8rem;
        }
        .btn-primary-custom {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background-color: #0d5a9e;
            border-color: #0d5a9e;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(10, 74, 122, 0.2);
        }
        .btn-secondary-custom {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            color: #333;
            padding: 0.75rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-secondary-custom:hover {
            background-color: #e6bf36;
            border-color: #e6bf36;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(212, 175, 55, 0.2);
        }
        .footer {
            background-color: var(--dark-color);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 4rem;
            padding-bottom: 2rem;
        }
        .footer h5 {
            color: white;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        .footer h5:after {
            content: '';
            position: absolute;
            width: 50px;
            height: 2px;
            background: var(--secondary-color);
            bottom: 0;
            left: 0;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            display: block;
            margin-bottom: 0.7rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            margin-top: 3rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }
        .friendlink {
            background-color: #f8f9fa;
            padding: 4rem 0;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 1rem 1.5rem;
            margin: 0.5rem;
            border-radius: var(--border-radius);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            color: var(--primary-color);
            font-weight: 600;
            text-decoration: none;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .flink:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-5px);
        }
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .hero-subtitle {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-section {
                padding: 6rem 0 4rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }
        .fade-in {
            animation: fadeIn 1s ease-in-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .sticky-nav {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background-color: white;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .news-card {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            background: white;
        }
        .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .news-img {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }
        .news-content {
            padding: 1.5rem;
        }
        .counter-item {
            text-align: center;
            padding: 2rem;
        }
        .counter-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .counter-text {
            font-size: 1.1rem;
            color: var(--dark-color);
            font-weight: 600;
        }
        .major-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            height: 100%;
            border-top: 4px solid var(--primary-color);
        }
        .major-card:hover {
            border-top-color: var(--secondary-color);
            transform: translateY(-10px);
        }