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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #ffffff;
        }

        .top-bar-container {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #ffffff;
            border-bottom: 1px solid #e0e0e0;
        }

        .top-bar {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }

        .top-bar__logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            font-size: 1.5rem;
            font-weight: bold;
            color: #000;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        .top-bar-left,
        .top-bar-right {
            display: flex;
            z-index: 1;
        }

        .menu {
            list-style: none;
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .menu a {
            text-decoration: none;
            color: #333;
            font-size: 0.9rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: color 0.3s ease;
        }

        .menu a:hover {
            color: #666;
        }

        .menu-icon {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            flex-direction: column;
            gap: 4px;
        }

        .icon-bar {
            width: 25px;
            height: 2px;
            background-color: #333;
            display: block;
        }

        main.content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 3rem 2rem;
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 2rem;
            color: #000;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-align: center;
        }

        article {
            max-width: 900px;
            margin: 0 auto 3rem;
            padding: 2rem;
            background-color: #fafafa;
            border-left: 4px solid #000;
        }

        article h2 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: #000;
            font-weight: 600;
        }

        article h3 {
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
            color: #333;
            font-weight: 600;
        }

        article h4 {
            font-size: 1.2rem;
            margin: 1.2rem 0 0.8rem;
            color: #333;
            font-weight: 600;
        }

        article p {
            margin-bottom: 1.2rem;
            line-height: 1.8;
            color: #444;
        }

        .transition-section {
            max-width: 900px;
            margin: 0 auto 3rem;
            padding: 2rem;
        }

        .transition-section p {
            line-height: 1.8;
            color: #444;
            margin-bottom: 1.2rem;
        }

        .links-section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 2rem;
            background-color: #f5f5f5;
            border-top: 2px solid #000;
            border-bottom: 2px solid #000;
        }

        .links-section h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: #000;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem 2rem;
            margin-bottom: 3rem;
        }

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

        .links-section li {
            padding: 0;
        }

        .links-section a {
            color: #333;
            text-decoration: none;
            display: inline-block;
            padding: 0.3rem 0;
            border-bottom: 1px solid transparent;
            transition: all 0.3s ease;
        }

        .links-section a:hover {
            color: #000;
            border-bottom-color: #000;
        }

        footer.footer {
            max-width: 1400px;
            margin: 3rem auto 0;
            padding: 3rem 2rem 2rem;
            border-top: 1px solid #e0e0e0;
        }

        .footer .row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer .menu {
            flex-direction: column;
            gap: 0.5rem;
            align-items: flex-start;
        }

        .footer .menu a {
            font-size: 0.85rem;
        }

        .footer p {
            font-size: 0.85rem;
            color: #666;
        }

        @media (max-width: 768px) {
            .top-bar {
                padding: 1rem;
            }

            .top-bar-left .menu {
                display: none;
            }

            .menu-icon {
                display: flex;
            }

            .top-bar__logo {
                font-size: 1.2rem;
            }

            .top-bar-right .menu {
                gap: 1rem;
            }

            .menu a {
                font-size: 0.8rem;
            }

            main.content {
                padding: 2rem 1rem;
            }

            h1 {
                font-size: 1.8rem;
                margin-bottom: 1.5rem;
            }

            article {
                padding: 1.5rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            .transition-section {
                padding: 1.5rem;
            }

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

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.6rem;
            }

            .footer .row {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer .menu {
                align-items: center;
            }

            .footer p {
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .top-bar__logo {
                position: static;
                transform: none;
                margin: 0 auto;
            }

            .top-bar-right .menu {
                font-size: 0.75rem;
            }

            h1 {
                font-size: 1.5rem;
            }
        }