body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f9f9f9;
}
.container {
    text-align: center;
    width: 100%;
    max-width: 600px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background-color: white;
    border-radius: 10px;
}
.logo {
    width: 100px;
    margin-bottom: 20px;
}
main h1 {
    font-size: 2em;
    color: #333;
}
main p {
    font-size: 1em;
    color: #666;
    margin: 10px 0;
}
main strong {
    color: #000;
}
.treasure-boxes {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
}
.treasure-box {
    text-align: center;
}
.treasure-box img {
    width: 100px;
    height: auto;
    margin-bottom: 10px;
}
.open-link {
    background-color: #ffcc00;
    color: #000;
    padding: 10px 20px;
    text-align: center;
    font-size: 16px;
    display: inline-block;
    text-decoration: none;
    border-radius: 5px;
}