body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background-color: #000;
            color: #f1f1f1;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }
        .container {
            text-align: center;
            max-width: 350px;
            background-color: #000000;
            padding: 20px;
            border: 1px solid #333;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 22px;
            margin-bottom: 20px;
            color: #f1f1f1;
        }
        h4 {
            font-size: 16px;
            margin-top: 20px;
            color: #f1f1f1;
            font-weight: normal;
        }
        p {
            font-size: 14px;
            color: #a1a1a1;
            margin: 15px 0;
            line-height: 1.5;
        }
        img {
            display: block;
            margin: 15px auto;
            max-width: 150px;
            border-radius: 5px;
        }
        .logo {
            max-width: 250px;
        }
        .dots::after {
            content: "";
            animation: dots 1.5s steps(3, end) infinite;
        }
        @keyframes dots {
            0% { content: "."; }
            33% { content: ".."; }
            66% { content: "..."; }
        }
        .hidden {
            display: none;
        }