body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f5f5;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 60px auto;
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0,0,0,.15);
    text-align: center;
}

.logo {
    font-size: 64px;
}

h1 {
    margin-top: 20px;
    color: #5E35B1;
}

.subtitle {
    color: #666;
    margin-bottom: 30px;
}

.button {
    display: inline-block;
    padding: 14px 24px;
    background: #5E35B1;
    color: white;
    text-decoration: none;
    border-radius: 6px;
}

.footer {
    margin-top: 40px;
    font-size: 13px;
    color: #999;
}