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

        body {
            font-family: "Times New Roman", Times, serif;
            font-size: 16px;
            line-height: 1.6;
            color: #333;
            background: #fff;
            padding: 20px;
        }

        #wrapper {
            max-width: 1200px;
            margin: 0 auto;
            background: #FFFFF0;
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
        }

        header {
            background: #FFDEAD;
            padding: 20px 40px;
            border-bottom: 3px solid #FEB;
        }

        nav {
            background: #FEB;
            padding: 0;
            font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
            font-size: 14px;
            border-bottom: 2px solid #ddd;
        }

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            padding: 0;
            margin: 0;
        }

        nav ul li {
            position: relative;
        }

        nav ul li a {
            display: block;
            padding: 15px 20px;
            color: #000;
            text-decoration: none;
            font-weight: normal;
            transition: background 0.3s, color 0.3s;
        }

        nav ul li a:hover {
            background: #875;
            color: #FEB;
        }

        main {
            background: #fff;
            padding: 40px;
            min-height: 400px;
        }

        h1 {
            font-size: 2.2em;
            color: #000;
            margin-bottom: 0.5em;
            line-height: 1.3;
            font-weight: bold;
            padding-bottom: 0.3em;
            border-bottom: 2px solid #FFDEAD;
        }

        h2 {
            font-size: 1.8em;
            color: #000;
            margin: 1.2em 0 0.6em;
            font-weight: bold;
        }

        h3 {
            font-size: 1.4em;
            color: #000;
            margin: 1em 0 0.5em;
            font-weight: bold;
        }

        h4 {
            font-size: 1.2em;
            color: #000;
            margin: 1em 0 0.5em;
            font-weight: bold;
        }

        article p {
            margin-bottom: 1.2em;
            text-align: justify;
        }

        article ul, article ol {
            margin: 1em 0 1.2em 2em;
        }

        article li {
            margin-bottom: 0.5em;
        }

        .transition-section {
            background: #F5F5DC;
            padding: 30px 40px;
            margin: 30px 0;
            border-left: 4px solid #FFDEAD;
        }

        .transition-section p {
            margin-bottom: 1em;
        }

        .links-section {
            background: #FFFFF0;
            padding: 40px;
            margin-top: 30px;
            border-top: 3px solid #FFDEAD;
        }

        .links-section h3 {
            color: #000;
            font-size: 1.3em;
            margin-top: 1.5em;
            margin-bottom: 0.8em;
            padding-bottom: 0.3em;
            border-bottom: 1px solid #ddd;
        }

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

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px 30px;
            margin-bottom: 2em;
        }

        .links-section ul li {
            padding-left: 1em;
            position: relative;
        }

        .links-section ul li:before {
            content: "▸";
            position: absolute;
            left: 0;
            color: #875;
        }

        .links-section ul li a {
            color: #01b;
            text-decoration: none;
            transition: color 0.3s;
        }

        .links-section ul li a:hover {
            color: #b10;
            text-decoration: underline;
        }

        footer {
            background: #FFDEAD;
            padding: 20px 40px;
            border-top: 4px solid #888;
            text-align: center;
            font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
            font-size: 14px;
            color: #333;
        }

        @media (max-width: 768px) {
            body {
                padding: 10px;
            }

            header, main, footer {
                padding: 20px;
            }

            nav ul {
                flex-direction: column;
            }

            nav ul li {
                border-bottom: 1px solid #ddd;
            }

            nav ul li a {
                padding: 12px 15px;
            }

            h1 {
                font-size: 1.8em;
            }

            h2 {
                font-size: 1.5em;
            }

            h3 {
                font-size: 1.3em;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .transition-section {
                padding: 20px;
            }

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

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

            h2 {
                font-size: 1.3em;
            }

            h3 {
                font-size: 1.1em;
            }

            article p {
                text-align: left;
            }
        }