* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #000;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.payment-box {
    background: #111;
    padding: 30px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    border-radius: 8px;
}

.payment-box h1 {
    font-size: 24px;
    margin-bottom: 10px;
}

.price {
    font-size: 20px;
    color: #f90;
    margin-bottom: 20px;
}

.pay-btn {
    display: block;
    background: #f90;
    color: #000;
    padding: 15px;
    font-size: 18px;
    text-decoration: none;
    border-radius: 5px;
    margin-bottom: 15px;
}

.pay-btn:hover {
    background: #ffaa00;
}

.secure {
    font-size: 12px;
    color: #aaa;
}