* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #111111;
            background: #ecf1f8;
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background: #ffffff;
            border-bottom: 1px solid #c0c4d0;
            padding: 20px 0;
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #1c3476;
            text-decoration: none;
        }

        nav {
            background: #1c3476;
            padding: 0;
        }

        nav ul {
            list-style: none;
            display: flex;
            margin: 0;
            padding: 0;
        }

        nav li {
            margin: 0;
        }

        nav a {
            display: block;
            padding: 18px 24px;
            color: #ffffff;
            text-decoration: none;
            text-transform: uppercase;
            font-size: 17px;
            transition: color 0.3s;
        }

        nav a:hover {
            color: #148dea;
        }

        nav a.active {
            background: #148dea;
        }

        .main-content {
            background: #ffffff;
            margin: 20px 0;
            padding: 40px 0;
        }

        h1 {
            font-size: 32px;
            color: #1c3476;
            margin-bottom: 30px;
            font-weight: bold;
            line-height: 1.2;
        }

        article {
            margin-bottom: 40px;
        }

        article p {
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 20px;
            color: #111111;
        }

        article h2 {
            font-size: 24px;
            color: #1c3476;
            margin: 30px 0 20px 0;
            font-weight: bold;
        }

        article h3 {
            font-size: 20px;
            color: #1c3476;
            margin: 25px 0 15px 0;
            font-weight: bold;
        }

        article h4 {
            font-size: 18px;
            color: #1c3476;
            margin: 20px 0 10px 0;
            font-weight: bold;
        }

        .transition-section {
            margin: 40px 0;
            padding: 30px 0;
            border-top: 1px solid #c0c4d0;
            border-bottom: 1px solid #c0c4d0;
        }

        .transition-section p {
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 15px;
        }

        .links-section {
            background: #f8f9fa;
            padding: 40px 0;
            margin: 20px 0;
            border-radius: 5px;
        }

        .links-section h3 {
            font-size: 20px;
            color: #1c3476;
            margin-bottom: 20px;
            font-weight: bold;
            padding-bottom: 10px;
            border-bottom: 2px solid #148dea;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 10px;
            margin-bottom: 30px;
        }

        .links-section li {
            margin: 0;
        }

        .links-section a {
            display: block;
            padding: 12px 15px;
            color: #1c3476;
            text-decoration: none;
            background: #ffffff;
            border: 1px solid #e0e0e0;
            border-radius: 3px;
            transition: all 0.3s;
            font-size: 15px;
        }

        .links-section a:hover {
            color: #148dea;
            border-color: #148dea;
            background: #f0f8ff;
        }

        footer {
            background: #1c3476;
            color: #ffffff;
            padding: 40px 0;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }

        .footer-section h4 {
            color: #148dea;
            margin-bottom: 15px;
            text-transform: uppercase;
            font-size: 14px;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section li {
            margin-bottom: 8px;
        }

        .footer-section a {
            color: #ffffff;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: #148dea;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }

            .header-content {
                flex-direction: column;
                text-align: center;
            }

            nav ul {
                flex-direction: column;
            }

            nav a {
                padding: 15px 20px;
            }

            h1 {
                font-size: 28px;
            }

            article h2 {
                font-size: 22px;
            }

            article h3 {
                font-size: 18px;
            }

            .links-section ul {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 24px;
            }

            .main-content {
                padding: 20px 0;
            }

            article p {
                font-size: 14px;
            }

            .links-section {
                padding: 20px 0;
            }
        }