.warranty-form {
    max-width: 480px;
    margin: 0 auto;
    background: #f9f9f9;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    font-family: sans-serif;
}
.warranty-form h3 {
    margin-top: 0;
    text-align: center;
    color: #333;
}
.warranty-form label {
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
    color: #444;
}
.warranty-form input[type="text"],
.warranty-form input[type="tel"] {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
}
.warranty-form .radio-group {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}
.warranty-form .radio-group label {
    font-weight: normal;
    display: flex;
    align-items: center;
}
.warranty-form button {
    width: 100%;
    padding: 12px;
    background: #0073aa;
    color: #fff;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}
.warranty-form button:hover {
    background: #005d8f;
}
#warranty-result {
    margin-top: 20px;
    background: #fff;
    padding: 16px;
    border: 1px solid #ddd;
    border-radius: 6px;
    color: #333;
}