:root {
            --primary-color: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary-color: #10b981;
            --accent-color: #f59e0b;
            --dark-color: #1f2937;
            --light-color: #f9fafb;
            --gray-color: #6b7280;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Noto Sans SC', 'Inter', sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
            background-color: #fff;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark-color);
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
            position: relative;
            padding-bottom: 15px;
        }
        h2:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 70px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 2px;
        }
        .text-center h2:after {
            left: 50%;
            transform: translateX(-50%);
        }
        section {
            padding: 80px 0;
        }
        .section-title {
            margin-bottom: 50px;
        }
        .navbar {
            padding: 20px 0;
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .navbar-brand span {
            color: var(--secondary-color);
        }
        .nav-link {
            font-weight: 500;
            margin: 0 10px;
            color: var(--dark-color);
            transition: var(--transition);
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-color);
        }
        .navbar-toggler {
            border: none;
            padding: 0;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .hero {
            background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
            padding: 150px 0 100px;
            position: relative;
            overflow: hidden;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
        }
        .hero-content p {
            font-size: 1.2rem;
            color: var(--gray-color);
            margin-bottom: 2rem;
        }
        .hero-btns .btn {
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 8px;
            margin-right: 15px;
            margin-bottom: 10px;
        }
        .hero-image {
            position: relative;
            animation: float 6s ease-in-out infinite;
        }
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0px); }
        }
        .feature-card, .service-card, .team-card {
            background: #fff;
            border-radius: 12px;
            padding: 30px;
            height: 100%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .feature-card:hover, .service-card:hover, .team-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }
        .feature-icon, .service-icon {
            width: 70px;
            height: 70px;
            border-radius: 12px;
            background: rgba(37, 99, 235, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }
        .feature-icon i, .service-icon i {
            font-size: 30px;
            color: var(--primary-color);
        }
        .services {
            background-color: #f8fafc;
        }
        .service-card .service-icon {
            background: rgba(16, 185, 129, 0.1);
        }
        .service-card .service-icon i {
            color: var(--secondary-color);
        }
        .about-content {
            padding-right: 40px;
        }
        .stats-container {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            border-radius: 15px;
            padding: 40px 30px;
            color: white;
            margin-top: 40px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 1.1rem;
            opacity: 0.9;
        }
        .partners {
            background-color: #f8fafc;
        }
        .partner-logo {
            background: white;
            border-radius: 10px;
            padding: 20px;
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .partner-logo:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }
        friendlink {
            display: block;
            margin-bottom: 30px;
        }
        friendlink h3 {
            margin-bottom: 25px;
            font-size: 1.8rem;
        }
        .flink-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .flink {
            display: flex;
            align-items: center;
            background: white;
            padding: 15px 20px;
            border-radius: 10px;
            text-decoration: none;
            color: var(--dark-color);
            transition: var(--transition);
            border: 1px solid rgba(0, 0, 0, 0.08);
        }
        .flink:hover {
            background-color: rgba(37, 99, 235, 0.05);
            color: var(--primary-color);
            transform: translateX(5px);
            border-color: var(--primary-color);
        }
        .flink-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: rgba(37, 99, 235, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
        }
        .flink-icon i {
            color: var(--primary-color);
            font-size: 18px;
        }
        .flink-text {
            font-weight: 500;
        }
        .contact-info {
            background: linear-gradient(135deg, var(--dark-color), #111827);
            color: white;
            border-radius: 15px;
            padding: 40px;
            height: 100%;
        }
        .contact-item {
            display: flex;
            margin-bottom: 30px;
        }
        .contact-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
        }
        .contact-icon i {
            font-size: 20px;
            color: white;
        }
        .contact-form {
            background: white;
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
        }
        .form-control {
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #e5e7eb;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        footer {
            background-color: #111827;
            color: #d1d5db;
            padding: 70px 0 20px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 20px;
            display: inline-block;
        }
        .footer-links h5 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #9ca3af;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 50px;
            text-align: center;
        }
        .social-icons {
            display: flex;
            gap: 15px;
        }
        .social-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: var(--transition);
        }
        .social-icon:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }
        @media (max-width: 991px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            .hero { padding: 120px 0 80px; }
            .hero-content h1 { font-size: 2.8rem; }
            .about-content { padding-right: 0; margin-bottom: 40px; }
            section { padding: 60px 0; }
        }
        @media (max-width: 767px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .hero { padding: 100px 0 60px; }
            .hero-content h1 { font-size: 2.4rem; }
            .hero-btns .btn { display: block; width: 100%; margin-bottom: 15px; }
            .stats-container { padding: 30px 20px; }
            .stat-number { font-size: 2.2rem; }
            .contact-info { margin-bottom: 30px; }
            .flink-container { grid-template-columns: 1fr; }
        }
        .btn-primary {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 8px;
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
        }
        .btn-outline-primary {
            color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 12px 30px;
            font-weight: 600;
            border-radius: 8px;
        }
        .btn-outline-primary:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
        }
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary-color);
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }