* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Microsoft YaHei', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            text-align: center;
        }
        
        .container {
            max-width: 600px;
            padding: 2rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }
        
        h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        }
        
        .loader {
            margin: 2rem auto;
            width: 50px;
            height: 50px;
            border: 5px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 1s ease-in-out infinite;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .status {
            margin-top: 1rem;
            font-size: 1.1rem;
            line-height: 1.6;
        }
        
        .info {
            margin-top: 2rem;
            font-size: 0.9rem;
            opacity: 0.8;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 1rem;
        }
        
        @media (max-width: 768px) {
            .container {
                margin: 1rem;
                padding: 1.5rem;
            }
            
            h1 {
                font-size: 2rem;
            }
        }