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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }

        header {
            background: linear-gradient(135deg, #005eb8 0%, #0077cc 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.5px;
        }

        nav {
            background-color: #003d82;
            padding: 0;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .nav-menu {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0;
        }

        .nav-menu li {
            position: relative;
        }

        .nav-menu a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 1rem 1.5rem;
            transition: background-color 0.3s ease;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .nav-menu a:hover {
            background-color: #005eb8;
        }

        main {
            max-width: 1200px;
            margin: 3rem auto;
            padding: 0 2rem;
        }

        h1 {
            font-size: 2.5rem;
            color: #003d82;
            margin-bottom: 2rem;
            line-height: 1.2;
            font-weight: 700;
        }

        article {
            background: white;
            padding: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            margin-bottom: 3rem;
        }

        article h2 {
            font-size: 1.8rem;
            color: #005eb8;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        article h3 {
            font-size: 1.4rem;
            color: #003d82;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-weight: 600;
        }

        article h4 {
            font-size: 1.2rem;
            color: #005eb8;
            margin-top: 1.2rem;
            margin-bottom: 0.6rem;
            font-weight: 600;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            line-height: 1.8;
            color: #444;
        }

        article ul, article ol {
            margin-bottom: 1.2rem;
            margin-left: 2rem;
        }

        article li {
            margin-bottom: 0.5rem;
            line-height: 1.7;
        }

        .transition-section {
            background: white;
            padding: 2.5rem 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            margin-bottom: 3rem;
        }

        .transition-section p {
            font-size: 1.05rem;
            line-height: 1.8;
            color: #444;
            margin-bottom: 1rem;
        }

        .links-section {
            background: white;
            padding: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
            margin-bottom: 3rem;
        }

        .links-section h2 {
            font-size: 1.8rem;
            color: #003d82;
            margin-bottom: 2rem;
            font-weight: 600;
        }

        .links-section h3 {
            font-size: 1.3rem;
            color: #005eb8;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 600;
            border-bottom: 2px solid #e0e0e0;
            padding-bottom: 0.5rem;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem 2rem;
            margin-bottom: 2rem;
        }

        .links-section li {
            position: relative;
            padding-left: 1.2rem;
        }

        .links-section li::before {
            content: "→";
            position: absolute;
            left: 0;
            color: #005eb8;
            font-weight: bold;
        }

        .links-section a {
            color: #005eb8;
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 1rem;
            line-height: 1.6;
        }

        .links-section a:hover {
            color: #003d82;
            text-decoration: underline;
        }

        footer {
            background-color: #003d82;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-column h3 {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

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

        .footer-column a {
            color: #b3d9ff;
            text-decoration: none;
            display: block;
            padding: 0.3rem 0;
            transition: color 0.3s ease;
        }

        .footer-column a:hover {
            color: white;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: #b3d9ff;
        }

        @media (max-width: 768px) {
            .header-inner,
            .nav-inner,
            main,
            .footer-inner {
                padding: 0 1.5rem;
            }

            h1 {
                font-size: 2rem;
            }

            article {
                padding: 2rem 1.5rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            .nav-menu {
                flex-direction: column;
            }

            .nav-menu a {
                padding: 0.8rem 1rem;
            }

            .links-section {
                padding: 2rem 1.5rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.6rem;
            }

            .transition-section {
                padding: 2rem 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }

            article {
                padding: 1.5rem 1rem;
            }

            .links-section {
                padding: 1.5rem 1rem;
            }

            .transition-section {
                padding: 1.5rem 1rem;
            }
        }