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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f8f8;
        }

        header {
            background-color: #fff;
            border-bottom: 1px solid #e0e0e0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }

        nav {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .logo svg {
            height: 50px;
            width: auto;
        }

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

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #c69859;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }

        h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #c69859;
        }

        article {
            background-color: #fff;
            padding: 3rem;
            margin-bottom: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        article h2 {
            color: #2c3e50;
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
        }

        article h3 {
            color: #34495e;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            font-size: 1.4rem;
        }

        article h4 {
            color: #34495e;
            margin-top: 1.2rem;
            margin-bottom: 0.6rem;
            font-size: 1.2rem;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .transition-section {
            background-color: #fff;
            padding: 2.5rem 3rem;
            margin-bottom: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .transition-section p {
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .links-section {
            background-color: #fff;
            padding: 3rem;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
        }

        .links-section h3 {
            color: #2c3e50;
            margin-bottom: 1.5rem;
            font-size: 1.6rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #c69859;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem 2rem;
            margin-bottom: 2.5rem;
        }

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

        .links-section ul li:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #c69859;
            font-weight: bold;
        }

        .links-section ul li a {
            color: #2c3e50;
            text-decoration: none;
            transition: color 0.3s;
            display: inline-block;
        }

        .links-section ul li a:hover {
            color: #c69859;
            padding-left: 0.3rem;
        }

        footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 2rem;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .footer-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .footer-links a {
            color: #ecf0f1;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: #c69859;
        }

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

            .nav-links {
                flex-direction: column;
                gap: 1rem;
                width: 100%;
                margin-top: 1rem;
            }

            main {
                padding: 1rem;
            }

            h1 {
                font-size: 2rem;
            }

            article {
                padding: 1.5rem;
            }

            .transition-section {
                padding: 1.5rem;
            }

            .links-section {
                padding: 1.5rem;
            }

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

            .footer-content {
                flex-direction: column;
            }

            .footer-links {
                flex-direction: column;
                gap: 0.5rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }

            article h2 {
                font-size: 1.4rem;
            }

            article h3 {
                font-size: 1.2rem;
            }
        }