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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f5f5f5;
        }

        header {
            background-color: #0a0a0a;
            color: #fff;
            padding: 20px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

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

        .header-content {
            text-align: center;
            padding: 15px 0;
        }

        .site-title {
            font-size: 2.5em;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .site-tagline {
            font-size: 1.1em;
            color: #ccc;
            font-weight: 300;
        }

        nav {
            background-color: #1a1a1a;
            padding: 15px 0;
            margin-top: 10px;
        }

        .nav-menu {
            list-style: none;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
        }

        .nav-menu li a {
            color: #fff;
            text-decoration: none;
            font-size: 0.95em;
            transition: color 0.3s;
            font-weight: 500;
        }

        .nav-menu li a:hover {
            color: #ff0000;
        }

        main {
            background-color: #fff;
            max-width: 900px;
            margin: 40px auto;
            padding: 50px 40px;
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
        }

        h1 {
            font-size: 2.5em;
            color: #0a0a0a;
            margin-bottom: 30px;
            line-height: 1.2;
            font-weight: 700;
        }

        article {
            margin-bottom: 40px;
        }

        article p {
            margin-bottom: 20px;
            font-size: 1.05em;
            line-height: 1.8;
            color: #444;
        }

        article h2 {
            font-size: 2em;
            color: #0a0a0a;
            margin-top: 35px;
            margin-bottom: 20px;
            font-weight: 600;
        }

        article h3 {
            font-size: 1.6em;
            color: #0a0a0a;
            margin-top: 30px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        article h4 {
            font-size: 1.3em;
            color: #0a0a0a;
            margin-top: 25px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .transition-section {
            background-color: #f9f9f9;
            padding: 30px;
            margin: 40px 0;
            border-left: 4px solid #ff0000;
        }

        .transition-section p {
            font-size: 1.05em;
            line-height: 1.8;
            color: #444;
            margin-bottom: 15px;
        }

        .links-section {
            background-color: #fafafa;
            padding: 40px 35px;
            margin-top: 40px;
            border-radius: 5px;
            border: 1px solid #e0e0e0;
        }

        .links-section h3 {
            font-size: 1.5em;
            color: #0a0a0a;
            margin-bottom: 20px;
            margin-top: 25px;
            font-weight: 600;
        }

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

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 30px;
            margin-bottom: 25px;
        }

        .links-section li {
            margin-bottom: 12px;
            break-inside: avoid;
        }

        .links-section a {
            color: #0066cc;
            text-decoration: none;
            font-size: 1em;
            transition: color 0.3s;
            display: inline-block;
        }

        .links-section a:hover {
            color: #ff0000;
            text-decoration: underline;
        }

        footer {
            background-color: #0a0a0a;
            color: #ccc;
            text-align: center;
            padding: 30px 20px;
            margin-top: 60px;
        }

        footer p {
            font-size: 0.9em;
        }

        @media (max-width: 768px) {
            .site-title {
                font-size: 2em;
            }

            .site-tagline {
                font-size: 1em;
            }

            .nav-menu {
                gap: 15px;
                font-size: 0.9em;
            }

            main {
                margin: 20px;
                padding: 30px 25px;
            }

            h1 {
                font-size: 2em;
            }

            article h2 {
                font-size: 1.6em;
            }

            article h3 {
                font-size: 1.3em;
            }

            article h4 {
                font-size: 1.1em;
            }

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

            .transition-section {
                padding: 20px;
            }

            .links-section {
                padding: 25px 20px;
            }
        }

        @media (max-width: 480px) {
            .site-title {
                font-size: 1.5em;
            }

            .nav-menu {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }

            h1 {
                font-size: 1.6em;
            }

            main {
                padding: 20px 15px;
            }
        }