body {
            background-color: #f8f9fa;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        .settings-container {
            max-width: 1000px;
            margin: 0 auto;
            background: white;
            border-radius: 10px;
            box-shadow: 0 0 15px rgba(0,0,0,0.1);
            padding: 25px;
            margin-top: 30px;
            margin-bottom: 30px;
        }
        .settings-header {
            text-align: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid #e9ecef;
        }
        .settings-card {
            border: none;
            border-radius: 8px;
            margin-bottom: 20px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.08);
        }
        .settings-card .card-header {
            background-color: #2c7be5;
            color: white;
            font-weight: 600;
            border-radius: 8px 8px 0 0 !important;
        }
        .form-check-input:checked {
            background-color: #2c7be5;
            border-color: #2c7be5;
        }
        .btn-primary {
            background-color: #2c7be5;
            border-color: #2c7be5;
        }
        .btn-primary:hover {
            background-color: #1a68d1;
            border-color: #1a68d1;
        }
        .settings-section {
            margin-bottom: 25px;
        }
        .section-title {
            color: #2c7be5;
            font-weight: 600;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #dee2e6;
        }
        .nav-pills .nav-link.active {
            background-color: #2c7be5;
        }
        .code-block {
            background-color: #f8f9fa;
            padding: 15px;
            border-radius: 5px;
            border-left: 4px solid #2c7be5;
            font-family: monospace;
            font-size: 14px;
            margin-top: 15px;
        }
        .param-table {
            width: 100%;
            border-collapse: collapse;
        }
        .param-table th, .param-table td {
            padding: 10px;
            border: 1px solid #dee2e6;
            text-align: left;
        }
        .param-table th {
            background-color: #e9ecef;
        }