:root {
            --primary-color: #0a3d62;
            --secondary-color: #079992;
            --accent-color: #f8c291;
            --light-color: #f7f9fc;
            --dark-color: #2c3e50;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            color: #333;
            line-height: 1.8;
        }
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            padding: 0.5rem 1.2rem;
            transition: var(--transition);
            border-radius: 4px;
        }
        .navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
            color: var(--secondary-color);
            background-color: rgba(7, 153, 146, 0.08);
        }
        .hero-section {
            background: linear-gradient(rgba(10, 61, 98, 0.85), rgba(10, 61, 98, 0.9)), url('https://images.unsplash.com/photo-1556742049-0cfed4f6a45d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 10rem 0;
            margin-bottom: 4rem;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 1px 1px 4px rgba(0,0,0,0.3);
        }
        .hero-subtitle {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto 2.5rem;
            opacity: 0.9;
        }
        .section-title {
            position: relative;
            padding-bottom: 1.2rem;
            margin-bottom: 3rem;
            text-align: center;
            font-weight: 700;
            color: var(--primary-color);
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            border-radius: 2px;
        }
        .feature-card {
            height: 100%;
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
            transition: var(--transition);
            background: white;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.15);
        }
        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 2rem auto 1.5rem;
            color: white;
            font-size: 2rem;
        }
        .service-box {
            background: var(--light-color);
            border-radius: 10px;
            padding: 2.5rem 2rem;
            height: 100%;
            border-left: 5px solid var(--secondary-color);
            transition: var(--transition);
        }
        .service-box:hover {
            background: white;
            box-shadow: 0 8px 25px rgba(10, 61, 98, 0.12);
        }
        .partner-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 120px;
            padding: 1.5rem;
            border: 1px solid #eaeaea;
            border-radius: 8px;
            background: white;
            transition: var(--transition);
        }
        .partner-logo:hover {
            border-color: var(--secondary-color);
            box-shadow: 0 5px 15px rgba(7, 153, 146, 0.1);
        }
        .flink {
            display: inline-block;
            padding: 0.6rem 1.5rem;
            margin: 0.5rem;
            background: var(--light-color);
            border-radius: 50px;
            color: var(--dark-color);
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .flink:hover {
            background: white;
            border-color: var(--secondary-color);
            color: var(--secondary-color);
            transform: translateY(-3px);
        }
        .contact-info-box {
            padding: 2rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 6px 18px rgba(0,0,0,0.06);
            height: 100%;
        }
        .contact-icon {
            width: 60px;
            height: 60px;
            background: rgba(7, 153, 146, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary-color);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        footer {
            background: var(--dark-color);
            color: rgba(255,255,255,0.85);
            padding-top: 4rem;
            margin-top: 5rem;
        }
        footer a {
            color: rgba(255,255,255,0.75);
            text-decoration: none;
            transition: var(--transition);
        }
        footer a:hover {
            color: var(--accent-color);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 1.5rem 0;
            margin-top: 3rem;
        }
        .news-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
            height: 100%;
        }
        .news-card:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.12);
        }
        .news-date {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--secondary-color);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-size: 0.9rem;
        }
        .btn-primary-custom {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border: none;
            color: white;
            padding: 0.8rem 2.2rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background: linear-gradient(to right, #083455, #067a74);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(7, 153, 146, 0.3);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.1rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }