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

        body {
            font-family: Verdana, Arial, sans-serif;
            font-size: 14px;
            line-height: 1.6;
            color: #333;
            background-color: #fff;
        }

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

        #header {
            padding: 20px 0;
            border-bottom: 2px solid #f1f1f1;
            margin-bottom: 30px;
        }

        #logo {
            font-size: 28px;
            font-weight: bold;
            color: #666;
            margin-bottom: 10px;
        }

        #logo a {
            color: #666;
            text-decoration: none;
        }

        #mrdodo {
            font-size: 11px;
            color: #999;
            font-style: italic;
        }

        #menu {
            background: linear-gradient(to bottom, #f5f5f5, #e8e8e8);
            border-radius: 5px;
            padding: 10px 20px;
            margin-bottom: 30px;
        }

        #menu ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        #menu li {
            display: inline-block;
        }

        #menu a {
            color: #666;
            text-decoration: none;
            font-size: 13px;
            font-weight: 500;
            transition: color 0.3s;
        }

        #menu a:hover {
            color: #333;
        }

        h1 {
            font-size: 32px;
            color: #333;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 3px solid #f1f1f1;
        }

        article {
            background-color: #fff;
            padding: 20px 0;
            margin-bottom: 40px;
        }

        article h2 {
            font-size: 24px;
            color: #333;
            margin: 30px 0 15px 0;
        }

        article h3 {
            font-size: 20px;
            color: #444;
            margin: 25px 0 12px 0;
        }

        article h4 {
            font-size: 18px;
            color: #555;
            margin: 20px 0 10px 0;
        }

        article p {
            margin-bottom: 15px;
            color: #333;
            line-height: 1.8;
        }

        article ul, article ol {
            margin: 15px 0 15px 30px;
        }

        article li {
            margin-bottom: 8px;
            line-height: 1.7;
        }

        #transition-section {
            background-color: #f9f9f9;
            padding: 25px;
            margin: 40px 0;
            border-radius: 5px;
            border-left: 4px solid #e0e0e0;
        }

        #transition-section p {
            color: #555;
            line-height: 1.8;
            margin-bottom: 15px;
        }

        #links-section {
            background-color: #f1f1f1;
            padding: 30px;
            margin: 40px 0;
            border-radius: 5px;
        }

        #links-section h2 {
            font-size: 26px;
            color: #333;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ddd;
        }

        #links-section h3 {
            font-size: 18px;
            color: #666;
            margin: 25px 0 12px 0;
            font-weight: bold;
        }

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

        #links-section li {
            padding: 8px 0;
            border-bottom: 1px dotted #ccc;
        }

        #links-section a {
            color: #666;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 13px;
        }

        #links-section a:hover {
            color: #333;
            text-decoration: underline;
        }

        #footer {
            background-color: #f1f1f1;
            padding: 20px;
            text-align: center;
            margin-top: 50px;
            font-size: 11px;
            color: #666;
            border-top: 2px solid #e0e0e0;
        }

        @media (max-width: 768px) {
            body {
                font-size: 13px;
            }

            #main {
                padding: 0 15px;
            }

            h1 {
                font-size: 26px;
            }

            article h2 {
                font-size: 20px;
            }

            article h3 {
                font-size: 18px;
            }

            #menu ul {
                flex-direction: column;
                gap: 10px;
            }

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

            #links-section {
                padding: 20px 15px;
            }

            #transition-section {
                padding: 20px 15px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 22px;
            }

            article h2 {
                font-size: 18px;
            }

            #logo {
                font-size: 24px;
            }
        }