body {
    margin: 0;
    padding: 0;
    background: #e6f0ff url('bg-wifi.png') no-repeat center center fixed;
    background-size: cover;
    font-family: Arial, sans-serif;
    color: #003366;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
}

.container {
    max-width: 600px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 16px;
}

.logo {
    width: 150px;
    margin-bottom: 20px;
}
a {
    color: #003366;
    text-decoration: none;
}