:root {
            --primary-color: #0a3d62;
            --secondary-color: #3c6382;
            --accent-color: #f8c291;
            --light-color: #f9f9f9;
            --dark-color: #2c3e50;
            --success-color: #27ae60;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Noto Sans SC', 'Segoe UI', system-ui, -apple-system, sans-serif;
            color: #333;
            line-height: 1.8;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            color: var(--dark-color);
        }
        .section-padding {
            padding: 80px 0;
        }
        .bg-light-custom {
            background-color: var(--light-color);
        }
        .btn-primary-custom {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
            padding: 12px 30px;
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            padding: 15px 0;
            transition: var(--transition);
        }
        .navbar.scrolled {
            padding: 10px 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
        }
        .nav-link {
            font-weight: 500;
            color: var(--dark-color) !important;
            margin: 0 8px;
            position: relative;
        }
        .nav-link:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            left: 0;
            bottom: 0;
            transition: var(--transition);
        }
        .nav-link:hover:after {
            width: 100%;
        }
        .hero-section {
            background: linear-gradient(rgba(10, 61, 98, 0.85), rgba(44, 62, 80, 0.9)), url('https://images.unsplash.com/photo-1581094794329-c8112a89af12?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: white;
            padding: 160px 0 100px;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 25px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
        }
        .service-card {
            background: white;
            border-radius: 12px;
            padding: 40px 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.06);
            transition: var(--transition);
            height: 100%;
            border-top: 4px solid transparent;
        }
        .service-card:hover {
            transform: translateY(-15px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            border-top-color: var(--accent-color);
        }
        .service-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 25px;
        }
        .stats-card {
            text-align: center;
            padding: 30px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.05);
        }
        .stats-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .project-card {
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: var(--transition);
            height: 100%;
        }
        .project-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }
        .project-img {
            height: 250px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .project-card:hover .project-img {
            transform: scale(1.05);
        }
        footer {
            background-color: var(--dark-color);
            color: #ddd;
            padding: 70px 0 20px;
        }
        .footer-title {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background: var(--accent-color);
        }
        .footer-link {
            color: #bbb;
            text-decoration: none;
            display: block;
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .footer-link:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            color: white;
            margin-right: 10px;
            transition: var(--transition);
        }
        .social-icons a:hover {
            background: var(--accent-color);
            transform: translateY(-3px);
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            margin-top: 40px;
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
        }
        .friendlink {
            background-color: #f1f8ff;
            padding: 40px 0;
            border-top: 1px solid #eaeaea;
            border-bottom: 1px solid #eaeaea;
        }
        .flink {
            display: inline-block;
            background: white;
            padding: 12px 25px;
            margin: 8px;
            border-radius: 6px;
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 500;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            transition: var(--transition);
            border: 1px solid #eee;
        }
        .flink:hover {
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border-color: var(--accent-color);
        }
        .form-control-custom {
            padding: 15px;
            border-radius: 6px;
            border: 1px solid #ddd;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .form-control-custom:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(10, 61, 98, 0.25);
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(10, 61, 98, 0.05);
            color: var(--primary-color);
            font-weight: 600;
        }
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--accent-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            left: -36px;
            top: 5px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--primary-color);
            border: 3px solid white;
            box-shadow: 0 0 0 3px var(--accent-color);
        }
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .section-padding {
                padding: 60px 0;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .stats-number {
                font-size: 2.8rem;
            }
            .navbar-nav {
                padding-top: 15px;
            }
        }