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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #1F3033;
            background-color: #ffffff;
        }

        header {
            background-color: #131d1e;
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #131d1e;
            margin: 3rem 0 2rem;
            text-align: center;
            line-height: 1.2;
        }

        article {
            max-width: 800px;
            margin: 0 auto 4rem;
            padding: 0 20px;
        }

        article h2 {
            font-size: 2rem;
            font-weight: 600;
            color: #131d1e;
            margin: 2.5rem 0 1rem;
            line-height: 1.3;
        }

        article h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1F3033;
            margin: 2rem 0 1rem;
        }

        article h4 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #1F3033;
            margin: 1.5rem 0 0.75rem;
        }

        article h5 {
            font-size: 1.1rem;
            font-weight: 600;
            color: #1F3033;
            margin: 1.25rem 0 0.5rem;
        }

        article h6 {
            font-size: 1rem;
            font-weight: 600;
            color: #1F3033;
            margin: 1rem 0 0.5rem;
        }

        article p {
            font-size: 1.125rem;
            color: #1F3033;
            margin-bottom: 1.25rem;
            line-height: 1.8;
        }

        .transition-section {
            max-width: 800px;
            margin: 0 auto 3rem;
            padding: 0 20px;
        }

        .transition-section p {
            font-size: 1.125rem;
            color: #1F3033;
            margin-bottom: 1.25rem;
            line-height: 1.8;
        }

        .links-section {
            background-color: #f8f9fa;
            padding: 4rem 0;
            margin-top: 4rem;
        }

        .links-section h3 {
            font-size: 1.75rem;
            font-weight: 600;
            color: #131d1e;
            margin-bottom: 1.5rem;
            padding: 0 20px;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.75rem 2rem;
            margin-bottom: 3rem;
            padding: 0 20px;
        }

        .links-section ul:last-child {
            margin-bottom: 0;
        }

        .links-section li {
            position: relative;
            padding-left: 1.5rem;
        }

        .links-section li:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.65rem;
            width: 6px;
            height: 6px;
            background-color: #131d1e;
            border-radius: 50%;
        }

        .links-section a {
            color: #1F3033;
            text-decoration: none;
            font-size: 1rem;
            line-height: 1.6;
            transition: color 0.3s ease;
            display: inline-block;
        }

        .links-section a:hover {
            color: #131d1e;
            text-decoration: underline;
        }

        footer {
            background-color: #131d1e;
            color: #ffffff;
            padding: 2rem 0;
            margin-top: 4rem;
            text-align: center;
        }

        footer p {
            font-size: 0.9rem;
            opacity: 0.8;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
                margin: 2rem 0 1.5rem;
            }

            article h2 {
                font-size: 1.5rem;
                margin: 2rem 0 0.75rem;
            }

            article h3 {
                font-size: 1.25rem;
                margin: 1.5rem 0 0.75rem;
            }

            article h4 {
                font-size: 1.125rem;
            }

            article p {
                font-size: 1rem;
            }

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

            .links-section {
                padding: 3rem 0;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }

            .links-section h3 {
                font-size: 1.5rem;
                margin-bottom: 1rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.75rem;
            }

            article h2 {
                font-size: 1.35rem;
            }

            .container {
                padding: 0 15px;
            }

            article,
            .transition-section {
                padding: 0 15px;
            }

            .links-section ul {
                padding: 0 15px;
            }

            .links-section h3 {
                padding: 0 15px;
            }
        }