<style>
        body {
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: #000;
        }
        h2 {
            color: yellow;
            font-family: sans-serif;
            font-size: 4em;
            animation: animate 1s linear infinite;
        }

        @keyframes animate {
            0%,
            100% {
                text-shadow: -1.5px -1.5px 0 #0ff, 1.5px 1.5px 0 #f00;
            }
            25% {
                text-shadow: 1.5px 1.5px 0 #0ff, -1.5px -1.5px 0 #f00;
            }
            50% {
                text-shadow: 1.5px -1.5px 0 #0ff, 1.5px -1.5px 0 #f00;
            }
            75% {
                text-shadow: -1.5px 1.5px 0 #0ff, -1.5px 1.5px 0 #f00;
            }
        }
    </style>
</head>
<body>
    <h2>jiujueismmp</h2>
</body>