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

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    background-color: #93D0D1;
    background-image: linear-gradient(to bottom, #93D0D1 0%, #B8E0E1 100%);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
}

.container {
    max-width: 824px;
    margin: 0 auto;
    background-color: #FFFFFF;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

header {
    background-color: #FFFFFF;
    padding: 20px;
    text-align: center;
    border-bottom: 4px solid #93CFD4;
}

h1 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    color: #53A06F;
    font-size: 2em;
    margin: 0.5em 0;
    padding: 0 20px;
}

article {
    padding: 20px 30px;
    background-color: #FFFFFF;
}

article h2 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    color: #53A06F;
    font-size: 1.5em;
    margin: 1.5em 0 0.5em 0;
}

article h3 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    color: #53A06F;
    font-size: 1.2em;
    margin: 1em 0 0.5em 0;
}

article h4 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    color: #53A06F;
    font-size: 1em;
    margin: 0.8em 0 0.4em 0;
}

article p {
    margin-bottom: 1em;
    line-height: 1.6;
    color: #333;
}

article a {
    color: #0000FF;
    text-decoration: none;
}

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

.transition-section {
    padding: 20px 30px;
    background-color: #F5F8CA;
    border-top: 4px solid #F7F999;
    border-bottom: 4px solid #F7F999;
}

.transition-section p {
    margin-bottom: 1em;
    line-height: 1.6;
    color: #333;
}

{% if links %}
.links-section {
    padding: 30px;
    background-color: #FFFFFF;
    border-top: 4px solid #CEEAE9;
}

.links-section h2 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    color: #53A06F;
    font-size: 1.5em;
    margin-bottom: 1em;
    text-align: center;
}

.links-section h3 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    color: #53A06F;
    font-size: 1.2em;
    margin: 1.5em 0 0.8em 0;
    padding-bottom: 0.3em;
    border-bottom: 2px solid #CEEAE9;
}

.links-section ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5em 0;
    column-count: 2;
    column-gap: 30px;
}

.links-section li {
    margin-bottom: 0.8em;
    break-inside: avoid;
    padding-left: 1.2em;
    position: relative;
}

.links-section li:before {
    content: "▸";
    color: #53A06F;
    position: absolute;
    left: 0;
}

.links-section a {
    color: #0000FF;
    text-decoration: none;
    line-height: 1.5;
}

.links-section a:hover {
    text-decoration: underline;
    color: #0000CC;
}
{% endif %}

footer {
    background-color: #93D0D1;
    padding: 20px;
    text-align: center;
    color: #EEEEEE;
    font-size: 0.9em;
    margin-top: 0;
}

footer a {
    color: #006666;
    text-decoration: none;
}

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

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .container {
        margin: 0;
    }
    
    h1 {
        font-size: 1.6em;
        padding: 0 15px;
    }
    
    article {
        padding: 15px 20px;
    }
    
    article h2 {
        font-size: 1.3em;
    }
    
    article h3 {
        font-size: 1.1em;
    }
    
    .transition-section {
        padding: 15px 20px;
    }
    
    {% if links %}
    .links-section {
        padding: 20px 15px;
    }
    
    .links-section ul {
        column-count: 1;
    }
    {% endif %}
    
    footer {
        padding: 15px;
        font-size: 0.85em;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.4em;
    }
    
    article {
        padding: 12px 15px;
    }
    
    article h2 {
        font-size: 1.2em;
    }
    
    .transition-section {
        padding: 12px 15px;
    }
    
    {% if links %}
    .links-section {
        padding: 15px 12px;
    }
    
    .links-section h3 {
        font-size: 1.1em;
    }
    {% endif %}
}