#subsidy-calculator {
    max-width: 400px;
    margin: 20px auto;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #f9f9f9;
}

#subsidy-calculator h2 {
    text-align: center;
}

.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
}

.form-group input {
    width: 100%;
    padding: 6px;
    box-sizing: border-box;
}

button[type="submit"] {
    width: 100%;
    padding: 8px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button[type="submit"]:hover {
    background: #005177;
}

#subsidy-result {
    margin-top: 15px;
    padding: 10px;
    border-radius: 4px;
}