body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: #f5f7fa;
            color: #333;
            margin: 0;
            padding: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            text-align: left;
            line-height: 1.6;
        }
        .container {
            max-width: 600px;
            padding: 30px;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        h1 {
            color: #e74c3c;
            font-size: 24px;
            margin-bottom: 20px;
            font-weight: 600;
        }
        h2 {
            font-size: 18px;
            margin-top: 25px;
            margin-bottom: 10px;
            font-weight: 600;
        }
        p {
            margin-bottom: 15px;
        }
        .logo {
            margin-bottom: 20px;
        }
        .logo img {
            height: 30px;
        }
        .footer {
            margin-top: 30px;
            font-size: 12px;
            color: #777;
            border-top: 1px solid #eee;
            padding-top: 15px;
        }
        .ray-id {
            font-family: monospace;
            background: #f8f9fa;
            padding: 3px 6px;
            border-radius: 3px;
        }