<!DOCTYPE html>
<html lang='zh-TW'>
<head>
    <meta charset='UTF-8'>
    <meta name='viewport' content='width=device-width, initial-scale=1.0'>
    <title>訪客叮嚀</title>
    <style>
        :root {
            --bg-color: #f8f6f1;
            --text-main: #505050;
            --text-muted: #a0a0a0;
            --accent: #8ba88e;
            --border: #e8e4d8;
        }
        body {
            background-color: var(--bg-color);
            color: var(--text-main);
            font-family: 'PingFang TC', 'Hiragino Sans GB', 'Microsoft JhengHei', sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            padding: 20px;
            box-sizing: border-box;
            line-height: 1.8;
        }
        .card {
            max-width: 500px;
            width: 100%;
            background: #ffffff;
            padding: 60px 40px;
            text-align: center;
            position: relative;
            border: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }
        .card::after {
            content: '';
            position: absolute;
            top: 15px; left: 15px; right: 15px; bottom: 15px;
            border: 1px solid var(--border);
            pointer-events: none;
            opacity: 0.5;
        }
        .symbol {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 20px;
            display: block;
        }
        h1 {
            font-weight: 300;
            font-size: 1.4rem;
            margin: 20px 0;
            letter-spacing: 0.1em;
        }
        .host-display {
            color: var(--accent);
            font-weight: 500;
            border-bottom: 1px solid var(--accent);
            padding: 0 5px;
            margin: 0 5px;
            word-break: break-all;
            font-family: monospace;
            font-size: 1.1rem;
        }
        p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 30px;
            letter-spacing: 0.05em;
        }
        .footer {
            margin-top: 60px;
            font-size: 10px;
            text-transform: uppercase;
            letter-spacing: 0.3em;
            color: #ddd;
        }
    </style>
</head>
<body>
    <div class='card'>
        <span class='symbol'>◇</span>
        <h1>輸入的網址「<span class='host-display'>https://vpn.aiso.idv.tw</span>」<br>並非正確可用的網址</h1>
        <p>請檢查您的輸入，並嘗試使用正確的網域名稱訪問。</p>
        <div class='footer'>Gatekeeper • NGINX System</div>
    </div>
</body>
</html>