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

        html {
            height: 100%;
        }

        body {
            background: linear-gradient(to bottom, #e6f7fb 0%, #ffffff 300px);
            font-family: Arial, sans-serif;
            color: #333;
            line-height: 1.6;
            min-height: 100%;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background: linear-gradient(135deg, #00a5cd 0%, #0089b0 100%);
            padding: 30px 0;
            box-shadow: 0 2px 10px rgba(0, 165, 205, 0.2);
        }

        header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .site-title {
            font-size: 2.5em;
            font-style: italic;
            color: #ffffff;
            margin: 0;
            font-weight: normal;
        }

        .site-title .green {
            color: #7cba2c;
            font-weight: bold;
        }

        .site-tagline {
            color: #e0f4f9;
            font-size: 0.9em;
            margin-top: -5px;
        }

        nav {
            background: linear-gradient(to bottom, #00a5cd 0%, #008db5 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

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

        nav li {
            border-right: 1px solid #63c1d8;
            border-left: 1px solid #388ba1;
        }

        nav li:first-child {
            border-left: none;
        }

        nav li:last-child {
            border-right: none;
        }

        nav a {
            display: block;
            padding: 12px 20px;
            color: #ffffff;
            text-decoration: none;
            font-weight: bold;
            font-size: 0.95em;
            transition: background 0.3s ease;
        }

        nav a:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        main {
            background: #ffffff;
            margin: 30px auto;
            max-width: 1200px;
            border-radius: 8px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }

        .content-wrapper {
            padding: 40px;
        }

        h1 {
            color: #00a5cd;
            font-size: 2.2em;
            font-style: italic;
            margin-bottom: 25px;
            padding-left: 35px;
            position: relative;
        }

        h1:before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 25px;
            height: 25px;
            background: linear-gradient(135deg, #7cba2c 0%, #6aa525 100%);
            border-radius: 50%;
        }

        article {
            margin-bottom: 40px;
        }

        article h2 {
            color: #00a5cd;
            font-size: 1.5em;
            margin: 25px 0 15px 0;
        }

        article h3 {
            color: #00a5cd;
            font-size: 1.2em;
            margin: 20px 0 12px 0;
        }

        article p {
            color: #666;
            margin-bottom: 15px;
            text-align: justify;
            line-height: 1.8;
        }

        article ul, article ol {
            margin: 15px 0 15px 30px;
            color: #666;
        }

        article li {
            margin-bottom: 8px;
        }

        .transition-section {
            background: linear-gradient(to right, #f8fcfd 0%, #ffffff 100%);
            padding: 25px;
            margin: 30px 0;
            border-left: 4px solid #7cba2c;
            border-radius: 4px;
        }

        .transition-section p {
            color: #555;
            margin-bottom: 10px;
        }

        .links-section {
            background: #f9fcfd;
            padding: 35px;
            margin-top: 30px;
            border-radius: 8px;
            border: 2px solid #e0f0f5;
        }

        .links-section > h2 {
            color: #00a5cd;
            font-size: 1.8em;
            font-style: italic;
            margin-bottom: 30px;
            text-align: center;
        }

        .links-section h3 {
            color: #00a5cd;
            font-size: 1.3em;
            margin: 25px 0 15px 0;
            padding-bottom: 10px;
            border-bottom: 2px solid #e0f0f5;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px 20px;
            margin-bottom: 25px;
        }

        .links-section li {
            position: relative;
            padding-left: 20px;
        }

        .links-section li:before {
            content: '→';
            position: absolute;
            left: 0;
            color: #7cba2c;
            font-weight: bold;
        }

        .links-section a {
            color: #00a5cd;
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
        }

        .links-section a:hover {
            color: #7cba2c;
            text-decoration: underline;
        }

        footer {
            background: linear-gradient(to bottom, #eff9fc 0%, #e6f5f9 100%);
            border-top: 2px solid #b4e4f0;
            padding: 30px 0;
            margin-top: 50px;
        }

        footer .container {
            text-align: center;
        }

        footer ul {
            list-style: none;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 15px;
        }

        footer li {
            margin: 5px 10px;
        }

        footer li:after {
            content: '|';
            margin-left: 20px;
            color: #b4e4f0;
        }

        footer li:last-child:after {
            content: '';
        }

        footer a {
            color: #747474;
            text-decoration: none;
            font-size: 0.9em;
            transition: color 0.3s ease;
        }

        footer a:hover {
            color: #00a5cd;
            text-decoration: underline;
        }

        footer p {
            color: #00a5cd;
            font-style: italic;
            margin-top: 15px;
            font-size: 0.9em;
        }

        .green {
            color: #7cba2c;
            font-weight: bold;
        }

        @media (max-width: 768px) {
            .site-title {
                font-size: 1.8em;
            }

            nav ul {
                flex-direction: column;
            }

            nav li {
                border: none;
                border-bottom: 1px solid #63c1d8;
            }

            nav li:last-child {
                border-bottom: none;
            }

            .content-wrapper {
                padding: 25px 20px;
            }

            h1 {
                font-size: 1.8em;
                padding-left: 30px;
            }

            .links-section {
                padding: 25px 20px;
            }

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

            footer ul {
                flex-direction: column;
            }

            footer li:after {
                content: '';
            }
        }

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

            h1 {
                font-size: 1.5em;
            }

            article h2 {
                font-size: 1.3em;
            }

            article h3 {
                font-size: 1.1em;
            }
        }