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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }

        #header {
            background: linear-gradient(135deg, #2c5f2d 0%, #4a8c4d 100%);
            padding: 20px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        #nav {
            background: #3d7a40;
            border-bottom: 3px solid #99ff66;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        #nav-list {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0;
        }

        #nav-list li {
            flex: 1 1 auto;
            min-width: 150px;
        }

        #nav-list li a {
            display: block;
            padding: 15px 20px;
            color: #fff;
            text-decoration: none;
            text-align: center;
            font-weight: 500;
            transition: background 0.3s ease;
            border-right: 1px solid rgba(255,255,255,0.1);
        }

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

        #nav-list li a:hover {
            background: rgba(0,0,0,0.2);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }

        h1 {
            color: #2c5f2d;
            font-size: 2.5em;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 3px solid #99ff66;
        }

        article {
            background: #fff;
            padding: 40px;
            margin-bottom: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
        }

        article h2 {
            color: #2c5f2d;
            font-size: 1.8em;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        article h3 {
            color: #3d7a40;
            font-size: 1.4em;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        article h4 {
            color: #4a8c4d;
            font-size: 1.2em;
            margin-top: 20px;
            margin-bottom: 10px;
        }

        article p {
            margin-bottom: 15px;
            text-align: justify;
        }

        .transition-section {
            background: #fff;
            padding: 30px 40px;
            margin-bottom: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            border-left: 5px solid #99ff66;
        }

        .transition-section p {
            margin-bottom: 15px;
            color: #555;
        }

        .links-section {
            background: #fff;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            margin-bottom: 40px;
        }

        .links-section h3 {
            color: #2c5f2d;
            font-size: 1.5em;
            margin-top: 25px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #99ff66;
        }

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

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px 30px;
            margin-bottom: 30px;
        }

        .links-section ul li {
            padding: 0;
        }

        .links-section ul li a {
            color: #3d7a40;
            text-decoration: none;
            padding: 8px 0;
            display: block;
            transition: all 0.3s ease;
            padding-left: 20px;
            position: relative;
        }

        .links-section ul li a:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #99ff66;
            font-weight: bold;
            transition: left 0.3s ease;
        }

        .links-section ul li a:hover {
            color: #2c5f2d;
            padding-left: 25px;
        }

        .links-section ul li a:hover:before {
            left: 5px;
        }

        #footer {
            background: linear-gradient(135deg, #2c5f2d 0%, #4a8c4d 100%);
            color: #fff;
            padding: 40px 20px;
            text-align: center;
            margin-top: 60px;
        }

        #footer p {
            max-width: 1200px;
            margin: 0 auto 15px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            #nav-list {
                flex-direction: column;
            }

            #nav-list li {
                min-width: 100%;
            }

            #nav-list li a {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }

            h1 {
                font-size: 2em;
            }

            article {
                padding: 25px;
            }

            article h2 {
                font-size: 1.5em;
            }

            .links-section {
                padding: 25px;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 10px;
            }

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

        @media (max-width: 480px) {
            .container {
                padding: 20px 15px;
            }

            h1 {
                font-size: 1.6em;
            }

            article {
                padding: 20px;
            }

            article h2 {
                font-size: 1.3em;
            }

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