body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 30px auto;
    background: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

h1 {
    color: #2c3e50;
    text-align: center;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

section {
    margin-bottom: 25px;
    padding: 15px;
    border-left: 5px solid #3498db;
    background: #f9f9f9;
}

label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

input[type="text"], select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.radio-group {
    margin-top: 5px;
}

button {
    display: block;
    width: 100%;
    padding: 15px;
    background: #27ae60;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 18px;
    cursor: pointer;
    margin-top: 20px;
}

button:hover {
    background: #219150;
}