body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    background-color: #ffe082;
    font-family: Arial, sans-serif;
    text-align: center;
    position: fixed;
}

.container {
    background-color: #fff;
    width: 300px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 8px 20px rgba(0, 0, 0, 0.2);
    position: relative;
}

.header {
    position: relative;
    margin-bottom: 20px;
}

.characters {
    font-size: 40px;
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
}

.qr-section h2 {
    font-size: 24px;
    color: #333;
    margin-bottom: 10px;
}

.qr-code {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 240px;
    box-sizing: border-box;
}

.qr-code img {
    width: 240px;
    min-height: 240px;
    margin: 20px auto;
    border: 2px solid #333;
    display: block;
}

.qr-section p {
    color: #666;
    font-size: 14px;
}