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

        html {
            font-size: 100%;
            height: 100%;
        }

        body {
            font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
            font-size: 13px;
            line-height: 1.6;
            color: #333;
            background-color: #fff;
            min-height: 100%;
        }

        a {
            color: #2684B2;
            text-decoration: none;
        }

        a:hover {
            text-decoration: underline;
        }

        header {
            background-color: #FC0;
            border-bottom: 1px solid #CCA300;
            border-top: 1px solid #FFDE59;
            padding: 20px 0;
        }

        header .container {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header .logo {
            font-family: Arial, sans-serif;
            font-size: 24px;
            font-weight: bold;
            color: #333;
            text-decoration: none;
        }

        main {
            max-width: 960px;
            margin: 0 auto;
            padding: 40px 20px;
            background-color: #fff;
        }

        h1 {
            font-family: Arial, sans-serif;
            font-size: 32px;
            font-weight: normal;
            color: #333;
            margin-bottom: 30px;
            line-height: 1.3;
        }

        article {
            margin-bottom: 40px;
        }

        article h2 {
            font-family: Arial, sans-serif;
            font-size: 25px;
            font-weight: normal;
            color: #333;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        article h3 {
            font-family: Arial, sans-serif;
            font-size: 20px;
            font-weight: normal;
            color: #333;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        article h4 {
            font-family: Arial, sans-serif;
            font-size: 16px;
            font-weight: normal;
            color: #333;
            margin-top: 20px;
            margin-bottom: 10px;
        }

        article p {
            font-size: 15px;
            color: #666;
            margin-bottom: 15px;
            text-align: justify;
            line-height: 1.7;
        }

        article ul,
        article ol {
            margin-left: 30px;
            margin-bottom: 15px;
        }

        article li {
            font-size: 15px;
            color: #666;
            margin-bottom: 8px;
        }

        .transition-section {
            background-color: #F6F6F6;
            border: 1px solid #DDD;
            border-radius: 5px;
            padding: 25px;
            margin: 40px 0;
        }

        .transition-section p {
            font-size: 15px;
            color: #666;
            line-height: 1.7;
            margin-bottom: 15px;
        }

        .transition-section p:last-child {
            margin-bottom: 0;
        }

        .links-section {
            background-color: #F6F6F6;
            border: 1px solid #DDD;
            border-radius: 5px;
            padding: 30px;
            margin: 40px 0;
        }

        .links-section h2 {
            font-family: Arial, sans-serif;
            font-size: 25px;
            font-weight: normal;
            color: #333;
            margin-bottom: 25px;
        }

        .links-section h3 {
            font-family: Arial, sans-serif;
            font-size: 18px;
            font-weight: normal;
            color: #333;
            margin-top: 25px;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid #FC0;
        }

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

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 30px;
            margin-bottom: 20px;
        }

        .links-section li {
            break-inside: avoid;
            margin-bottom: 10px;
            padding-left: 15px;
            position: relative;
        }

        .links-section li:before {
            content: "›";
            position: absolute;
            left: 0;
            color: #FC0;
            font-weight: bold;
            font-size: 16px;
        }

        .links-section a {
            color: #2684B2;
            font-size: 14px;
            text-decoration: none;
            display: inline-block;
            line-height: 1.5;
        }

        .links-section a:hover {
            text-decoration: underline;
            color: #1a5f7f;
        }

        footer {
            background-color: #F6F6F6;
            border-top: 1px solid #DDD;
            margin-top: 60px;
            padding: 30px 0;
        }

        footer .container {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
            text-align: center;
        }

        footer p {
            color: #666;
            font-size: 12px;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            header {
                padding: 15px 0;
            }

            header .logo {
                font-size: 20px;
            }

            main {
                padding: 30px 15px;
            }

            h1 {
                font-size: 26px;
                margin-bottom: 25px;
            }

            article h2 {
                font-size: 22px;
                margin-top: 25px;
            }

            article h3 {
                font-size: 18px;
                margin-top: 20px;
            }

            article p,
            article li {
                font-size: 14px;
                text-align: left;
            }

            .transition-section {
                padding: 20px;
                margin: 30px 0;
            }

            .links-section {
                padding: 20px;
                margin: 30px 0;
            }

            .links-section h2 {
                font-size: 22px;
                margin-bottom: 20px;
            }

            .links-section h3 {
                font-size: 16px;
                margin-top: 20px;
            }

            .links-section ul {
                column-count: 1;
            }

            footer {
                margin-top: 40px;
                padding: 20px 0;
            }
        }

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

            article h2 {
                font-size: 20px;
            }

            article h3 {
                font-size: 16px;
            }

            .links-section h2 {
                font-size: 20px;
            }

            .links-section h3 {
                font-size: 15px;
            }
        }