body {
            font-family: 'Segoe UI', sans-serif;
            background: #f0f2f5;
            margin: 0;
            padding: 0;
        }
        .container {
            max-width: 860px;
            margin: 60px auto;
            background: #fff;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        h1, h2 {
            color: #2c3e50;
        }
        p, li {
            color: #444;
            line-height: 1.6;
        }
        form {
            margin: 30px 0;
            text-align: center;
        }
        input[type="text"] {
            width: 70%;
            padding: 12px;
            font-size: 16px;
            border-radius: 6px;
            border: 1px solid #ccc;
        }
        input[type="submit"] {
            padding: 12px 20px;
            background-color: #3498db;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            margin-left: 10px;
        }
        input[type="submit"]:hover {
            background-color: #2980b9;
        }
        .lang {
            text-align: center;
            margin-top: 30px;
        }
        .lang a {
            margin: 0 10px;
            text-decoration: none;
            color: #3498db;
        }
        footer {
            margin-top: 60px;
            text-align: center;
            color: #aaa;
            font-size: 13px;
        }
        .description {
            margin-top: 50px;
        }