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

body {
    font-family: Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #262626;
    background-color: #ffffff;
    background-image: linear-gradient(to bottom, #f5f5f5 0%, #ffffff 300px);
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, #4a5f4d 0%, #6a8a6e 100%);
    padding: 60px 0 40px;
    margin-bottom: 40px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    font-weight: normal;
    color: #ffffff;
    margin-bottom: 10px;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: #e8f0e9;
    font-size: 1.1rem;
    font-weight: normal;
}

main {
    background: #ffffff;
    max-width: 960px;
    margin: 0 auto 40px;
    padding: 40px;
    box-shadow: 0 0 20px rgba(0,0,0,0.05);
}

article {
    margin-bottom: 40px;
}

article h2 {
    font-size: 1.8rem;
    font-weight: normal;
    color: #000000;
    margin: 30px 0 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

article h3 {
    font-size: 1.4rem;
    font-weight: normal;
    color: #191919;
    margin: 25px 0 12px;
}

article h4 {
    font-size: 1.2rem;
    font-weight: normal;
    color: #191919;
    margin: 20px 0 10px;
}

article p {
    margin: 15px 0;
    text-align: justify;
}

article strong {
    color: #4d170e;
}

article a {
    color: #4d170e;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

article a:hover {
    color: #B41404;
    border-bottom-color: #B41404;
}

.transition-section {
    margin: 40px 0;
    padding: 30px;
    background: #f9fdf9;
    border-left: 4px solid #6a8a6e;
}

.transition-section p {
    margin: 15px 0;
}

.links-section {
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(to bottom, #f5f9f5 0%, #ffffff 100%);
    border: 1px solid #e6ebe6;
    border-radius: 8px;
}

.links-section h2 {
    font-size: 1.8rem;
    font-weight: normal;
    color: #191919;
    margin-bottom: 30px;
    text-align: center;
}

.links-section h3 {
    font-size: 1.3rem;
    font-weight: normal;
    color: #454a3e;
    margin: 25px 0 15px;
    padding-left: 15px;
    border-left: 3px solid #6a8a6e;
}

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

.links-section li {
    padding: 8px 0 8px 20px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="8" height="8"><circle cx="4" cy="4" r="3" fill="%234d170e"/></svg>') no-repeat left 13px;
    border-bottom: 1px dotted #d0d5d0;
    break-inside: avoid;
}

.links-section li a {
    color: #454a3e;
    text-decoration: none;
    transition: color 0.3s ease;
}

.links-section li a:hover {
    color: #191919;
}

footer {
    background: #ffffff;
    padding: 30px 0;
    text-align: center;
    color: #353535;
    border-top: 3px solid #6a8a6e;
    margin-top: 60px;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    main {
        padding: 25px 20px;
    }
    
    article h2 {
        font-size: 1.5rem;
    }
    
    article h3 {
        font-size: 1.2rem;
    }
    
    .links-section {
        padding: 25px 20px;
    }
    
    .links-section ul {
        column-count: 1;
    }
    
    .transition-section {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    header {
        padding: 40px 0 30px;
    }
    
    header h1 {
        font-size: 1.6rem;
    }
    
    main {
        padding: 20px 15px;
    }
    
    article h2 {
        font-size: 1.3rem;
    }
    
    .links-section h2 {
        font-size: 1.4rem;
    }
}