* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            text-align: center;
            padding: 10px 0;
            background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
            color: white;
            border-radius: 15px;
            margin-bottom: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        h1 {
            font-size: 2em;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        
        .subtitle {
            font-size: 1em;
            opacity: 0.9;
            margin-bottom: 10px;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }
        
        .feature-card {
            background: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #e9ecef;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        
        .feature-icon {
            font-size: 4em;
            margin-bottom: 20px;
            display: block;
        }
        
        .feature-title {
            font-size: 1.8em;
            color: #4CAF50;
            margin-bottom: 20px;
            font-weight: bold;
        }
        
        .feature-description {
            font-size: 1.1em;
            color: #666;
            margin-bottom: 25px;
            line-height: 1.6;
        }
        
        .benefits {
            list-style: none;
            text-align: left;
            margin-bottom: 30px;
        }
        
        .benefits li {
            padding: 10px 0;
            border-bottom: 1px solid #f1f1f1;
            position: relative;
            padding-left: 30px;
        }
        
        .benefits li:before {
            content: "✓";
            color: #4CAF50;
            font-weight: bold;
            position: absolute;
            left: 0;
            font-size: 1.2em;
        }
        
        .btn {
            display: inline-block;
            padding: 15px 30px;
            background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.1em;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(76, 175, 80, 0.4);
            background: linear-gradient(135deg, #45a049 0%, #3d8b40 100%);
        }
        
        .btn-telegram {
            background: linear-gradient(135deg, #0088cc 0%, #006699 100%);
            box-shadow: 0 5px 15px rgba(0, 136, 204, 0.3);
        }
        
        .btn-telegram:hover {
            box-shadow: 0 8px 20px rgba(0, 136, 204, 0.4);
            background: linear-gradient(135deg, #006699 0%, #005580 100%);
        }
        
        footer {
            text-align: center;
            padding: 40px 0;
            color: #666;
            border-top: 1px solid #e9ecef;
            margin-top: 50px;
        }
        
        .footer-text {
            font-size: 1.1em;
            margin-bottom: 20px;
        }
        
        .heart {
            color: #e74c3c;
            animation: heartbeat 2s infinite;
        }
        
        @keyframes heartbeat {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        
        @media (max-width: 768px) {
            .features {
                grid-template-columns: 1fr;
            }
            
            h1 {
                font-size: 2.2em;
            }
            
            .feature-card {
                padding: 30px 20px;
            }
            
            .feature-icon {
                font-size: 3em;
            }
        }