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

        body {
            font-family: Arial, Helvetica, sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: #59595b;
            background: #f5f5f5;
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #fff;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }

        header {
            background: linear-gradient(135deg, #57a1d0 0%, #4a8bb8 100%);
            color: #fff;
            padding: 60px 20px 40px;
            text-align: center;
            position: relative;
        }

        header::after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 0;
            right: 0;
            height: 20px;
            background: linear-gradient(to bottom right, #fff 50%, transparent 50%),
                        linear-gradient(to bottom left, #fff 50%, transparent 50%);
            background-size: 20px 20px;
            background-position: left bottom, right bottom;
            background-repeat: repeat-x;
        }

        h1 {
            font-size: 2.5em;
            font-weight: bold;
            margin: 0;
            padding: 0;
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        }

        article {
            padding: 60px 40px 40px;
            max-width: 900px;
            margin: 0 auto;
        }

        article h2 {
            color: #57a1d0;
            font-size: 1.8em;
            margin-top: 30px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #D9DADB;
        }

        article h3 {
            color: #707172;
            font-size: 1.4em;
            margin-top: 25px;
            margin-bottom: 12px;
        }

        article h4 {
            color: #707172;
            font-size: 1.2em;
            margin-top: 20px;
            margin-bottom: 10px;
        }

        article p {
            margin-bottom: 18px;
            text-align: justify;
        }

        article ul, article ol {
            margin-left: 25px;
            margin-bottom: 18px;
        }

        article li {
            margin-bottom: 8px;
        }

        .transition-section {
            padding: 40px;
            max-width: 900px;
            margin: 0 auto;
            background: #f9f9f9;
            border-top: 3px solid #57a1d0;
            border-bottom: 3px solid #57a1d0;
        }

        .transition-section p {
            margin-bottom: 15px;
            line-height: 1.7;
        }

        {% if links %}
        .links-section {
            padding: 60px 40px;
            background: linear-gradient(to bottom, #f0f7fb 0%, #fff 100%);
            border-top: 4px solid #57a1d0;
        }

        .links-section > h2 {
            text-align: center;
            color: #57a1d0;
            font-size: 2em;
            margin-bottom: 40px;
            padding-bottom: 15px;
            border-bottom: 3px solid #D9DADB;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .links-container {
            max-width: 1100px;
            margin: 0 auto;
        }

        .links-container h3 {
            color: #57a1d0;
            font-size: 1.5em;
            margin-top: 30px;
            margin-bottom: 20px;
            padding-left: 15px;
            border-left: 5px solid #57a1d0;
        }

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

        .links-container ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px 30px;
            margin-bottom: 40px;
            padding: 0;
        }

        .links-container li {
            background: #fff;
            padding: 0;
            border-radius: 5px;
            transition: all 0.3s ease;
        }

        .links-container li:hover {
            transform: translateX(5px);
        }

        .links-container a {
            display: block;
            color: #707172;
            text-decoration: none;
            padding: 12px 15px;
            padding-left: 35px;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2357a1d0"><path d="M9 5l7 7-7 7"/></svg>') no-repeat left 12px center;
            background-size: 18px 18px;
            transition: color 0.3s ease;
        }

        .links-container a:hover {
            color: #57a1d0;
        }
        {% endif %}

        footer {
            background: #707172;
            color: #D9DADB;
            text-align: center;
            padding: 30px 20px;
            margin-top: 60px;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8em;
            }

            header {
                padding: 40px 20px 30px;
            }

            article {
                padding: 40px 20px 30px;
            }

            article h2 {
                font-size: 1.5em;
            }

            article h3 {
                font-size: 1.3em;
            }

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

            {% if links %}
            .links-section {
                padding: 40px 20px;
            }

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

            .links-container h3 {
                font-size: 1.3em;
            }
            {% endif %}
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.5em;
            }

            article h2 {
                font-size: 1.3em;
            }

            article h3 {
                font-size: 1.15em;
            }

            article {
                padding: 30px 15px 20px;
            }

            .transition-section {
                padding: 25px 15px;
            }

            {% if links %}
            .links-section {
                padding: 30px 15px;
            }
            {% endif %}
        }