body {
    font-family: 'Segoe UI', sans-serif;
    background: #fffdf5;
    margin: 0;
    padding: 0;
}

.car_container {
    padding: 20px;
}

.car_title {
    text-align: center;
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #444;
}

.car_grid {
    display: flex;
    gap: 20px;
}

.car_column {
    flex: 1;
    background: #fff;
    border-radius: 16px;
    padding: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.car_column h3 {
    text-align: center;
    background: #ffd54f;
    color: #333;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.car_radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.car_radio-group input[type="radio"] {
    display: none;
}

.car_radio-group label {
    padding: 10px;
    border-radius: 10px;
    background: #fff8e1;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.car_radio-group input[type="radio"]:checked + label {
    background: #ffca28;
    color: #000;
    font-weight: bold;
    border: 1px solid #fbc02d;
    transform: scale(1.03);
}

.car_radio-group label:hover {
    background: #ffe082;
}

.car_back-btn {
    display: block;
    margin: 30px auto 0;
    width: 200px;
    text-align: center;
    padding: 12px;
    background: #ffca28;
    border-radius: 12px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
    transition: 0.2s;
}

.car_back-btn:hover {
    background: #ffc107;
}