body {
        margin: 0;
        padding: 0;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        background: #f8f8f8;
        display: flex;
        justify-content: center;
        align-items: center;
        height: 100vh;
    }
    .container {
        text-align: center;
        background: #ffffff;
        padding: 40px 30px;
        border-radius: 15px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        max-width: 400px;
    }
    .container h1 {
        font-size: 2.5em;
        color: #ff4d4f;
        margin-bottom: 20px;
    }
    .container p {
        font-size: 1.1em;
        color: #333;
        margin-bottom: 10px;
    }
    .contact {
        margin-top: 20px;
        font-size: 0.95em;
        color: #555;
    }
    .contact a {
        color: #00a99d;
        text-decoration: none;
    }
    .contact a:hover {
        text-decoration: underline;
    }
    .icon-lock {
        font-size: 50px;
        color: #ff4d4f;
        margin-bottom: 20px;
    }