*  {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f4f4f4;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            background: linear-gradient(to right, #1a2980, #26d0ce);
            color: white;
            text-align: center;
            padding: 40px 0;
            border-radius: 10px;
            margin-bottom: 30px;
        }
        
        h1 {
            font-size: 2.5em;
            margin-bottom: 15px;
        }
        
        .download-btn {
            display: inline-block;
            background: #ff416c;
            color: white;
            padding: 15px 30px;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            font-size: 1.2em;
            transition: background 0.3s;
        }
        
        .download-btn:hover {
            background: #e02a54;
        }
        
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .feature-card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        /* Стили для спойлера */
        .spoiler {
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin: 30px 0;
        }
        
        .spoiler-header {
            padding: 15px 20px;
            background: #2c3e50;
            color: white;
            cursor: pointer;
            font-weight: bold;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .spoiler-content {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .spoiler-content.open {
            padding: 20px;
            max-height: 1000px;
        }
        
        .languages-list {
            columns: 3;
            column-gap: 20px;
        }
        
        .language-item {
            break-inside: avoid;
            margin-bottom: 5px;
        }
        
        footer {
            text-align: center;
            margin-top: 50px;
            padding: 20px;
            color: #666;
            font-size: 0.9em;
        }