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

        body {
            font-family: Tahoma, Arial, sans-serif;
            line-height: 1.6;
            color: #036E26;
            background: #02A1A8;
            padding: 20px 0;
        }

        .page-wrapper {
            max-width: 960px;
            margin: 0 auto;
            background: #FFFFFF;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }

        header {
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 960 250"><rect fill="%2362D8FC" width="960" height="250"/></svg>') no-repeat center;
            background-size: cover;
            height: 250px;
            position: relative;
            background-color: #62D8FC;
        }

        .header-content {
            padding: 20px 30px;
        }

        nav {
            background: linear-gradient(to bottom, #62D8FC 0%, #A5E4F7 100%);
            border-bottom: 2px solid #02A1A8;
        }

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

        nav li {
            flex: 1 1 auto;
            min-width: 120px;
        }

        nav a {
            display: block;
            padding: 12px 20px;
            color: #113B7F;
            text-decoration: none;
            font-weight: bold;
            font-size: 12px;
            text-align: center;
            transition: all 0.3s ease;
            border-right: 1px solid rgba(255, 255, 255, 0.3);
        }

        nav a:hover {
            background-color: #A5E4F7;
            color: #3096B5;
        }

        main {
            max-width: 900px;
            margin: 0 auto;
            padding: 30px 20px;
        }

        h1 {
            color: #02A1A8;
            font-size: 28px;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid #62D8FC;
            font-weight: bold;
        }

        article {
            background: #fff;
            padding: 20px 0;
            margin-bottom: 30px;
        }

        article h2 {
            color: #7f98a1;
            font-size: 18px;
            margin: 25px 0 15px;
            font-weight: bold;
        }

        article h3 {
            color: #02A1A8;
            font-size: 16px;
            margin: 20px 0 12px;
            font-weight: bold;
        }

        article h4 {
            color: #333;
            font-size: 14px;
            margin: 18px 0 10px;
        }

        article p {
            margin-bottom: 15px;
            text-align: justify;
            color: #333;
            line-height: 1.7;
        }

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

        article li {
            margin-bottom: 8px;
            line-height: 1.6;
        }

        article a {
            color: #993300;
            text-decoration: underline;
        }

        article a:hover {
            text-decoration: none;
        }

        .transition-section {
            background: #f9f9f9;
            padding: 25px;
            margin: 30px 0;
            border-left: 4px solid #02A1A8;
            border-radius: 4px;
        }

        .transition-section p {
            color: #333;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .links-section {
            background: #fff;
            padding: 30px 25px;
            margin: 30px 0;
            border: 1px solid #e0e0e0;
            border-radius: 6px;
        }

        .links-section h2 {
            color: #02A1A8;
            font-size: 22px;
            margin-bottom: 25px;
            padding-bottom: 12px;
            border-bottom: 2px solid #62D8FC;
        }

        .links-section h3 {
            color: #113B7F;
            font-size: 16px;
            margin: 25px 0 15px;
            font-weight: bold;
            padding-left: 10px;
            border-left: 3px solid #62D8FC;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 30px;
            margin: 0 0 20px 0;
            padding: 0;
        }

        .links-section li {
            break-inside: avoid;
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }

        .links-section li:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #02A1A8;
            font-weight: bold;
        }

        .links-section a {
            color: #993300;
            text-decoration: none;
            font-size: 13px;
            line-height: 1.6;
            transition: color 0.3s ease;
        }

        .links-section a:hover {
            color: #02A1A8;
            text-decoration: underline;
        }

        footer {
            background: linear-gradient(to bottom, #f5f5f5 0%, #e0e0e0 100%);
            padding: 30px 20px;
            text-align: center;
            color: #666;
            border-top: 3px solid #02A1A8;
        }

        footer p {
            margin: 8px 0;
            font-size: 12px;
        }

        footer a {
            color: #02A1A8;
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }

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

            header {
                height: 150px;
            }

            nav ul {
                flex-direction: column;
            }

            nav li {
                min-width: 100%;
            }

            nav a {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.3);
                padding: 10px 15px;
            }

            h1 {
                font-size: 22px;
            }

            main {
                padding: 20px 15px;
            }

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

            .transition-section {
                padding: 15px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 20px;
            }

            article h2 {
                font-size: 16px;
            }

            article h3 {
                font-size: 14px;
            }

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

            .links-section h2 {
                font-size: 18px;
            }
        }