body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        .container {
            background-color: #f9f9f9;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        h1 {
            color: #c41e3a;
            text-align: center;
            margin-bottom: 30px;
        }
        .flag {
            font-size: 2em;
            text-align: center;
            margin-bottom: 20px;
        }
        .input-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
            color: #2c3e50;
        }
        input, select {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-size: 16px;
            box-sizing: border-box;
        }
        input:focus, select:focus {
            outline: none;
            border-color: #c41e3a;
        }
        button {
            background-color: #c41e3a;
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 5px;
            font-size: 18px;
            cursor: pointer;
            width: 100%;
            margin-top: 20px;
        }
        button:hover {
            background-color: #a01830;
        }
        .results {
            background-color: #e8f5e8;
            border: 2px solid #4caf50;
            border-radius: 10px;
            padding: 20px;
            margin-top: 30px;
            display: none;
        }
        .result-section {
            background-color: white;
            padding: 15px;
            border-radius: 5px;
            margin: 15px 0;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .result-section h3 {
            color: #c41e3a;
            margin-top: 0;
            margin-bottom: 15px;
        }
        .result-item {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }
        .result-item:last-child {
            border-bottom: none;
        }
        .result-label {
            font-weight: bold;
            color: #2c3e50;
        }
        .result-value {
            color: #c41e3a;
            font-weight: bold;
        }
        .info-section {
            background-color: #fff3cd;
            border: 1px solid #ffeaa7;
            border-radius: 8px;
            padding: 20px;
            margin-top: 20px;
        }
        .info-section h3 {
            color: #856404;
            margin-top: 0;
        }
        .contribution-table {
            background-color: #d1ecf1;
            border: 1px solid #b8daff;
            border-radius: 8px;
            padding: 20px;
            margin-top: 20px;
        }
        .contribution-table h3 {
            color: #0c5460;
            margin-top: 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 10px;
        }
        th, td {
            padding: 12px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        th {
            background-color: #f8f9fa;
            font-weight: bold;
            color: #2c3e50;
        }
        @media (max-width: 768px) {
            body {
                padding: 10px;
            }
            .container {
                padding: 20px;
            }
            table {
                font-size: 14px;
            }
        }