body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #2c3e50;
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5em;
}

h2 {
    color: #3498db;
    margin-top: 30px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

h3 {
    color: #2980b9;
    margin-top: 25px;
}

h4 {
    color: #16a085;
    margin-top: 20px;
}

.emoji {
    font-size: 1.2em;
}

.box {
    background-color: #f8f9fa;
    border-left: 4px solid #3498db;
    padding: 15px;
    margin: 15px 0;
    border-radius: 0 5px 5px 0;
}

ul, ol {
    padding-left: 25px;
}

li {
    margin-bottom: 10px;
}

code {
    background-color: #f8f9fa;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', Courier, monospace;
    color: #e74c3c;
}

.tip {
    background-color: #e8f4f8;
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}

.important {
    background-color: #fff3cd;
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}

.troubleshoot {
    background-color: #f8d7da;
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}