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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f4f4f4;
        }

        #wrapper {
            max-width: 1200px;
            margin: 0 auto;
            background-color: #fff;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }

        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: #fff;
            padding: 1.5rem 0;
        }

        header .inside {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo_top {
            margin-bottom: 1rem;
        }

        .logo_top img {
            max-width: 200px;
            height: auto;
        }

        nav.navigation_top ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }

        nav.navigation_top a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            transition: opacity 0.3s ease;
            font-size: 1.1rem;
        }

        nav.navigation_top a:hover {
            opacity: 0.8;
        }

        .invisible {
            position: absolute;
            left: -9999px;
        }

        #container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 3rem 20px;
        }

        h1 {
            font-size: 2.5rem;
            color: #1e3c72;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #2a5298;
        }

        article {
            margin-bottom: 3rem;
        }

        article h2 {
            font-size: 2rem;
            color: #2a5298;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        article h3 {
            font-size: 1.5rem;
            color: #1e3c72;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }

        article h4 {
            font-size: 1.2rem;
            color: #2a5298;
            margin-top: 1rem;
            margin-bottom: 0.6rem;
        }

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

        .transition-section {
            background-color: #f9f9f9;
            padding: 2rem;
            border-left: 4px solid #2a5298;
            margin: 2rem 0;
        }

        .transition-section p {
            margin-bottom: 1rem;
            font-size: 1.05rem;
        }

        .links-section {
            background: linear-gradient(to bottom, #f4f4f4 0%, #e9e9e9 100%);
            padding: 3rem 20px;
            margin-top: 3rem;
        }

        .links-section .inside {
            max-width: 1140px;
            margin: 0 auto;
        }

        .links-section h3 {
            font-size: 1.6rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a5298;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 3rem;
            margin-bottom: 2.5rem;
        }

        .links-section li {
            break-inside: avoid;
            margin-bottom: 0.8rem;
        }

        .links-section a {
            color: #2a5298;
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 1.05rem;
            display: inline-block;
            padding: 0.3rem 0;
        }

        .links-section a:hover {
            color: #1e3c72;
            text-decoration: underline;
        }

        .links-section a::before {
            content: "→ ";
            margin-right: 0.5rem;
        }

        footer {
            background-color: #1e3c72;
            color: #fff;
            padding: 2rem 0;
        }

        footer .inside {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .fuss {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .copyright {
            font-size: 0.95rem;
        }

        .footernav a {
            color: #fff;
            text-decoration: none;
            margin: 0 0.5rem;
            transition: opacity 0.3s ease;
        }

        .footernav a:hover {
            opacity: 0.8;
            text-decoration: underline;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }

            article h2 {
                font-size: 1.6rem;
            }

            article h3 {
                font-size: 1.3rem;
            }

            nav.navigation_top ul {
                flex-direction: column;
                gap: 1rem;
            }

            .links-section ul {
                column-count: 1;
            }

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

            #container {
                padding: 2rem 15px;
            }

            .links-section {
                padding: 2rem 15px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.7rem;
            }

            article p {
                font-size: 1rem;
            }

            nav.navigation_top a {
                font-size: 1rem;
            }
        }