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

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    background-image: linear-gradient(to bottom, #e8f5e6 0%, #ffffff 100%);
    color: #333;
    line-height: 1.6;
}

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

header {
    background: linear-gradient(135deg, #64A15A 0%, #4d8a45 100%);
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    color: #ffffff;
    font-size: 2.5em;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    margin: 0;
    padding: 20px 0;
}

article {
    background-color: #ffffff;
    margin: 30px auto;
    padding: 40px;
    max-width: 1000px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

article h2 {
    color: #64A15A;
    font-size: 1.8em;
    margin-top: 30px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #64A15A;
}

article h2:first-child {
    margin-top: 0;
}

article h3 {
    color: #64A15A;
    font-size: 1.4em;
    margin-top: 25px;
    margin-bottom: 12px;
}

article h4 {
    color: #64A15A;
    font-size: 1.2em;
    margin-top: 20px;
    margin-bottom: 10px;
}

article p {
    color: #64A15A;
    margin-bottom: 15px;
    font-size: 1em;
}

article a {
    color: #64A15A;
    text-decoration: underline;
    transition: color 0.3s ease;
}

article a:hover {
    color: #4d8a45;
}

.transition-section {
    background-color: #ffffff;
    margin: 30px auto;
    padding: 30px 40px;
    max-width: 1000px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.transition-section p {
    color: #64A15A;
    margin-bottom: 15px;
    font-size: 1em;
}

.links-section {
    background-color: #ffffff;
    margin: 30px auto 50px;
    padding: 40px;
    max-width: 1000px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.links-section h2 {
    color: #64A15A;
    font-size: 1.8em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #64A15A;
}

.links-section h3 {
    color: #64A15A;
    font-size: 1.4em;
    margin-top: 30px;
    margin-bottom: 15px;
}

.links-section h3:first-of-type {
    margin-top: 10px;
}

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

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

.links-section ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #64A15A;
    font-weight: bold;
}

.links-section ul li a {
    color: #000000;
    text-decoration: none;
    transition: color 0.3s ease, padding-left 0.3s ease;
    display: inline-block;
}

.links-section ul li a:hover {
    color: #64A15A;
    padding-left: 5px;
}

footer {
    background: linear-gradient(135deg, #64A15A 0%, #4d8a45 100%);
    padding: 20px;
    text-align: center;
    margin-top: 50px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

footer p {
    color: #ffffff;
    font-size: 0.9em;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
        padding: 15px 0;
    }
    
    article {
        padding: 25px 20px;
        margin: 20px auto;
    }
    
    article h2 {
        font-size: 1.5em;
    }
    
    article h3 {
        font-size: 1.2em;
    }
    
    .transition-section {
        padding: 20px;
        margin: 20px auto;
    }
    
    .links-section {
        padding: 25px 20px;
        margin: 20px auto 30px;
    }
    
    .links-section ul {
        column-count: 1;
    }
    
    .links-section h2 {
        font-size: 1.5em;
    }
    
    .links-section h3 {
        font-size: 1.2em;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.6em;
    }
    
    article {
        padding: 20px 15px;
    }
    
    article h2 {
        font-size: 1.3em;
    }
    
    .links-section {
        padding: 20px 15px;
    }
}