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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #3D4850;
            color: #E8E8E8;
            line-height: 1.6;
        }

        header {
            background: linear-gradient(135deg, #2C516B 0%, #3D4850 100%);
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

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

        h1 {
            color: #ffffff;
            font-size: 2.5rem;
            font-weight: 300;
            letter-spacing: 2px;
            margin-bottom: 0.5rem;
        }

        .hero-banner {
            background: linear-gradient(to bottom, rgba(41, 55, 65, 0.7), rgba(41, 55, 65, 0.9)), 
                        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 200"><rect fill="%23293741" width="1200" height="200"/></svg>');
            background-size: cover;
            background-position: center;
            height: 200px;
            border-bottom: 3px solid #2C516B;
        }

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

        article {
            background-color: #293741;
            padding: 3rem 2rem;
            margin: 2rem auto;
            max-width: 1200px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #D8D8D8;
        }

        article h2 {
            color: #7BA3C0;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
            font-weight: 400;
        }

        article h3 {
            color: #8FB5D1;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
        }

        .transition-section {
            background-color: #3D4850;
            padding: 2rem;
            margin: 2rem auto;
            max-width: 1200px;
            border-left: 4px solid #2C516B;
        }

        .transition-section p {
            font-size: 1.1rem;
            color: #C8C8C8;
            margin-bottom: 1rem;
        }

        .links-section {
            background-color: #293741;
            padding: 3rem 2rem;
            margin: 2rem auto 3rem;
            max-width: 1200px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .links-section h3 {
            color: #7BA3C0;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            margin-top: 2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2C516B;
        }

        .links-section h3:first-child {
            margin-top: 0;
        }

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

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

        .links-section a {
            color: #8FB5D1;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 0.3rem 0;
            position: relative;
        }

        .links-section a:before {
            content: "▸ ";
            color: #2C516B;
            margin-right: 0.5rem;
            transition: margin-right 0.3s ease;
        }

        .links-section a:hover {
            color: #B8D5E8;
            padding-left: 0.5rem;
        }

        .links-section a:hover:before {
            margin-right: 0.8rem;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
                letter-spacing: 1px;
            }

            .hero-banner {
                height: 150px;
            }

            article {
                padding: 2rem 1.5rem;
                margin: 1rem;
            }

            article p {
                font-size: 1rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

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

            .links-section {
                padding: 2rem 1.5rem;
                margin: 1rem;
            }

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

            .links-section h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.5rem;
            }

            header {
                padding: 1.5rem 0;
            }

            article {
                padding: 1.5rem 1rem;
            }

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