* {
            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: #333;
            background-color: #f8f9fa;
        }

        .top-bar {
            background-color: #2c3e50;
            color: #fff;
            padding: 0.75rem 0;
            font-size: 0.9rem;
        }

        .top-bar-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .top-bar-menu {
            list-style: none;
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .top-bar-menu a {
            color: #fff;
            text-decoration: none;
            transition: color 0.3s;
        }

        .top-bar-menu a:hover {
            color: #6495ed;
        }

        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .site-title {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        nav {
            background-color: #34495e;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

        .main-menu {
            list-style: none;
            display: flex;
            gap: 2rem;
            padding: 1rem 0;
            flex-wrap: wrap;
        }

        .main-menu a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
        }

        .main-menu a:hover {
            color: #6495ed;
        }

        main {
            max-width: 1200px;
            margin: 3rem auto;
            padding: 0 20px;
        }

        h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #6495ed;
            line-height: 1.3;
        }

        article {
            background: #fff;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            margin-bottom: 3rem;
        }

        article h2 {
            color: #2c3e50;
            font-size: 2rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        article h3 {
            color: #34495e;
            font-size: 1.5rem;
            margin-top: 1.5rem;
            margin-bottom: 0.75rem;
        }

        article h4 {
            color: #34495e;
            font-size: 1.25rem;
            margin-top: 1.25rem;
            margin-bottom: 0.5rem;
        }

        article p {
            margin-bottom: 1.25rem;
            color: #555;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        article ul, article ol {
            margin-bottom: 1.25rem;
            padding-left: 2rem;
        }

        article li {
            margin-bottom: 0.5rem;
            color: #555;
        }

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

        .transition-section p {
            color: #555;
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 1.25rem;
        }

        .links-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            padding: 3rem 2.5rem;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            margin-bottom: 3rem;
        }

        .links-section h2 {
            color: #2c3e50;
            font-size: 2rem;
            margin-bottom: 2rem;
            text-align: center;
        }

        .links-section h3 {
            color: #34495e;
            font-size: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #6495ed;
        }

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

        .links-section li {
            background: #fff;
            padding: 0.75rem 1rem;
            border-radius: 4px;
            box-shadow: 0 1px 5px rgba(0,0,0,0.08);
            transition: all 0.3s;
        }

        .links-section li:hover {
            box-shadow: 0 3px 12px rgba(0,0,0,0.15);
            transform: translateY(-2px);
        }

        .links-section a {
            color: #2c3e50;
            text-decoration: none;
            font-weight: 500;
            display: block;
        }

        .links-section a:hover {
            color: #6495ed;
        }

        footer {
            background-color: #2c3e50;
            color: #fff;
            padding: 2rem 0;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .site-title {
                font-size: 1.8rem;
            }

            h1 {
                font-size: 1.8rem;
            }

            article {
                padding: 1.5rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.25rem;
            }

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

            .main-menu {
                gap: 1rem;
            }

            .top-bar-menu {
                gap: 1rem;
                font-size: 0.85rem;
            }

            .top-bar-content {
                flex-direction: column;
                gap: 0.5rem;
            }

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

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

        @media (max-width: 480px) {
            .site-title {
                font-size: 1.5rem;
                letter-spacing: 1px;
            }

            h1 {
                font-size: 1.5rem;
            }

            article {
                padding: 1rem;
            }

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

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