<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <style>
        body {
            margin: 0;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            /*background: linear-gradient(to right, #9ed6d059 0%, #5a4aff4a 47.92%, #ff37394d 100%);*/
            font-family: Arial, sans-serif;
            overflow: hidden;
        }

        .error-container {
            text-align: center;
            background-color: rgba(255, 255, 255, 0.7);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15), 0 6px 6px rgba(0, 0, 0, 0.1);
            max-width: 80%;
            position: relative;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        h1 {
            font-size: 24px;
            color: #333;
            margin-bottom: 20px;
        }

        p {
            font-size: 18px;
            color: #666;
        }

        .circle {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background-color: #f0f0f0;
            position: absolute;
            opacity: 0.5;
        }

        .circle-1 {
            top: -80px;
            left: -80px;
            animation: floating 6s ease-in-out infinite;
        }

        .circle-2 {
            bottom: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            animation: floating 8s ease-in-out infinite;
        }

        .cat {
            font-size: 12px;
            line-height: 0.8;
            margin-top: 30px;
        }

        @keyframes floating {
            0% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-20px);
            }
            100% {
                transform: translateY(0px);
            }
        }

        .tips {
            background: linear-gradient(to right, #28c76f80 0%, #5a4affa1 47.92%, #ff37398a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: rgba(0, 0, 0, 0);
            animation: shine 2s ease-in-out infinite alternate;
        }

        /* 媒体查询：手机屏幕 */
        @media screen and (max-width: 600px) {
            .error-container {
                padding: 20px;
                max-width: 90%;
            }

            h1 {
                font-size: 20px;
            }

            p {
                font-size: 16px;
            }

            .circle {
                width: 150px;
                height: 150px;
            }

            .circle-2 {
                width: 90px;
                height: 90px;
            }

            .cat {
                font-size: 10px;
            }
        }

        /* 媒体查询：平板屏幕 */
        @media screen and (min-width: 601px) and (max-width: 1024px) {
            .error-container {
                padding: 30px;
                max-width: 70%;
            }

            h1 {
                font-size: 22px;
            }

            p {
                font-size: 16px;
            }

            .circle {
                width: 180px;
                height: 180px;
            }

            .circle-2 {
                width: 100px;
                height: 100px;
            }

            .cat {
                font-size: 11px;
            }
        }
    </style>
</head>
<body>
<div class="error-container">
    <div class="circle circle-1"></div>
    <div class="circle circle-2"></div>
    <h1 class="tips">404 - 页面未找到</h1>
    <p>哎呀, 看来你请求的页面已经不在这里了</p>
    <pre class="cat">
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                `-    \`_`"'-
    </pre>
</div>
</body>
</html>