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

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

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: #ffffff;
    border-bottom: 2px solid #f0f0f0;
    padding: 20px 0;
    margin-bottom: 40px;
}

header h1 {
    color: #2c3e50;
    font-size: 28px;
    margin-bottom: 10px;
}

nav {
    margin-top: 15px;
}

nav a {
    color: #3498db;
    text-decoration: none;
    margin-right: 25px;
    font-size: 16px;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #2980b9;
    text-decoration: underline;
}

main {
    min-height: 60vh;
    padding: 20px 0;
}

.blog-post {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.post-header h2 {
    color: #2c3e50;
    font-size: 32px;
    margin-bottom: 10px;
    line-height: 1.3;
}

.post-meta {
    color: #7f8c8d;
    font-size: 14px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ecf0f1;
}

.post-content {
    color: #34495e;
}

.intro {
    font-size: 18px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 30px;
    padding: 20px;
    background-color: #f8f9fa;
    border-left: 4px solid #3498db;
}

.post-content h3 {
    color: #2c3e50;
    font-size: 24px;
    margin-top: 35px;
    margin-bottom: 15px;
}

.post-content p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

.post-content ul {
    margin: 15px 0 20px 30px;
}

.post-content li {
    margin-bottom: 10px;
    line-height: 1.7;
}

.important-note {
    background-color: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 6px;
    padding: 25px;
    margin: 35px 0;
}

.important-note h4 {
    color: #856404;
    font-size: 20px;
    margin-bottom: 15px;
}

.important-note p {
    color: #856404;
    font-weight: 600;
    margin-bottom: 10px;
}

.important-note ul {
    list-style-type: none;
    padding-left: 0;
}

.important-note li {
    color: #856404;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.important-note li:before {
    content: "•";
    position: absolute;
    left: 5px;
    font-weight: bold;
}

.post-footer {
    margin-top: 40px;
    padding-top: 25px;
    border-top: 2px solid #ecf0f1;
}

.disclaimer {
    font-size: 14px;
    color: #7f8c8d;
    line-height: 1.6;
    font-style: italic;
}

footer {
    background-color: #f8f9fa;
    border-top: 2px solid #e9ecef;
    padding: 30px 0;
    margin-top: 60px;
    text-align: center;
}

footer p {
    color: #6c757d;
    font-size: 14px;
    margin-bottom: 8px;
}

.footer-disclaimer {
    font-size: 12px;
    color: #868e96;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    header h1 {
        font-size: 24px;
    }
    
    nav a {
        margin-right: 15px;
        font-size: 14px;
    }
    
    .post-header h2 {
        font-size: 26px;
    }
    
    .intro {
        font-size: 16px;
        padding: 15px;
    }
    
    .post-content h3 {
        font-size: 20px;
    }
    
    .blog-post {
        padding: 20px;
    }
}