body
        /* общие стили */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            background-color: #f4f4f4;
            color: #333;
            padding: 20px;
        }
        .container {
            max-width: 1000px;
            margin: 0 auto;
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        h1, h2 {
            color: #2c3e50;
            margin-bottom: 20px;
        }
        nav {
            margin-bottom: 30px;
            background: #ecf0f1;
            padding: 10px;
            border-radius: 5px;
        }
        nav a {
            margin-right: 15px;
            text-decoration: none;
            color: #3498db;
            font-weight: bold;
        }
        nav a:hover {
            text-decoration: underline;
        }
        .profile {
            display: flex;
            gap: 30px;
            align-items: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        .profile img {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid #3498db;
        }
        .info p {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        .info strong {
            color: #2980b9;
        }
        .section {
            margin-top: 40px;
        }
        .achievements-preview {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }
        .achievement-card {
            background: #f9f9f9;
            padding: 15px;
            border-radius: 5px;
            border-left: 4px solid #3498db;
        }
        .btn {
            display: inline-block;
            background: #3498db;
            color: white;
            padding: 10px 20px;
            text-decoration: none;
            border-radius: 5px;
            margin-top: 20px;
        }
        .btn:hover {
            background: #2980b9;
        }
        footer {
            margin-top: 40px;
            text-align: center;
            color: #777;
            font-size: 0.9rem;
        }