.step-indicator {
            display: flex;
            justify-content: center;
            padding: 24px 20px;
            background: linear-gradient(135deg, #f8fafc 0%, #fff 100%);
            border-bottom: 1px solid #e8e8e8;
            gap: 8px;
        }
        
        .step-item {
            display: flex;
            align-items: center;
            position: relative;
            padding: 8px 16px;
            border-radius: 24px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        
        .step-item:hover {
            background: #f0f5ff;
        }
        
        .step-item:not(:last-child)::after {
            content: '›';
            margin: 0 12px;
            color: #c0c0c0;
            font-size: 18px;
            font-weight: 300;
        }
        
        .step-item.active .step-number {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
        }
        
        .step-item.active .step-label {
            color: #667eea;
            font-weight: 600;
        }
        
        .step-item.completed .step-number {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #fff;
        }
        
        .step-item.completed:not(:last-child)::after {
            color: #10b981;
        }
        
        .step-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #e8e8e8;
            color: #888;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 13px;
            margin-right: 8px;
            transition: all 0.3s ease;
        }
        
        .step-label {
            font-size: 13px;
            color: #888;
            white-space: nowrap;
        }
        
        .form-step {
            display: none;
            padding: 24px;
            background: #fff;
            border-radius: 12px;
            margin-bottom: 20px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.06);
        }
        
        .form-step.active {
            display: block;
            animation: fadeIn 0.3s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .step-navigation {
            display: flex !important;
            justify-content: space-between;
            margin-top: 28px;
            padding-top: 24px;
            border-top: 1px solid #e8e8e8;
            clear: both;
        }
        
        .btn-prev, .btn-next {
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-prev {
            background: #f5f5f5;
            color: #555;
            border: 1px solid #e0e0e0;
        }
        
        .btn-prev:hover {
            background: #e8e8e8;
            border-color: #ccc;
        }
        
        .btn-prev:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        
        .btn-next {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            border: none;
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
        }
        
        .btn-next:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
        }
        
        .btn-submit {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }
        
        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
        }
        
        .info-box {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            border: 1px solid #bae6fd;
            border-radius: 10px;
            padding: 16px 20px;
            margin-bottom: 24px;
            font-size: 13px;
            color: #0369a1;
            line-height: 1.7;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        
        .info-box.warning {
            background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
            border-color: #fde68a;
            color: #92400e;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        
        .info-box.tip {
            background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
            border-color: #bbf7d0;
            color: #166534;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        
        .help-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            font-size: 12px;
            cursor: help;
            margin-left: 6px;
            position: relative;
            box-shadow: 0 2px 6px rgba(102, 126, 234, 0.3);
        }
        
        .help-icon:hover .tooltip {
            display: block;
        }
        
        .tooltip {
            display: none;
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            background: #1e293b;
            color: #fff;
            padding: 14px 18px;
            border-radius: 10px;
            font-size: 12px;
            width: 300px;
            z-index: 100;
            margin-bottom: 10px;
            text-align: left;
            line-height: 1.6;
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }
        
        .tooltip::after {
            content: '';
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%);
            border: 8px solid transparent;
            border-top-color: #1e293b;
        }
        
        .radio-group {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        
        .radio-item {
            display: flex;
            align-items: center;
            cursor: pointer;
            padding: 8px 16px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }
        
        .radio-item:hover {
            background: #f0f5ff;
        }
        
        .radio-item input {
            margin-right: 10px;
            width: 18px;
            height: 18px;
            cursor: pointer;
            accent-color: #667eea;
        }
        
        .radio-item span {
            font-size: 14px;
            color: #4a5568;
        }

        .data-warning {
            background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
            border: 1px solid #fcd34d;
            border-radius: 8px;
            padding: 12px 16px;
            margin-top: 10px;
            font-size: 12px;
            color: #92400e;
            display: none;
            box-shadow: 0 2px 8px rgba(0,0,0,0.04);
        }
        
        .data-warning.show {
            display: block;
        }
        
        .hidden {
            display: none !important;
        }
        
        .region-select {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        
        /* PC端布局 - 宽度60% */
        .calculator-wrapper {
            max-width: 65%;
            margin: 0 auto;
            font-size: 16px;
        }
        
        .calculator-wrapper .form-group label {
            font-size: 15px;
        }
        
        .calculator-wrapper .form-control,
        .calculator-wrapper input[type="number"],
        .calculator-wrapper select {
            font-size: 15px;
            padding: 12px 14px;
        }
        
        .calculator-wrapper .btn {
            font-size: 15px;
            padding: 14px 28px;
        }
        
        .calculator-wrapper h3 {
            font-size: 18px;
        }
        
        .calculator-wrapper .step-label {
            font-size: 13px;
        }
        
        .calculator-wrapper .step-number {
            width: 36px;
            height: 36px;
            font-size: 14px;
        }
        
        @media (max-width: 768px) {
            .step-indicator {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 16px;
            }
            
            .step-item {
                width: 100%;
                justify-content: center;
            }
            
            .step-item:not(:last-child)::after {
                display: none;
            }
            
            .form-row {
                grid-template-columns: 1fr;
            }
            
            .radio-group {
                flex-direction: column;
                gap: 10px;
            }
            
            .region-select {
                grid-template-columns: 1fr;
            }
            
            .result-table {
                font-size: 12px;
            }
            
            .result-table th, .result-table td {
                padding: 10px 8px;
            }
            
            .calculator-wrapper {
                max-width: 100%;
                font-size: 14px;
            }
            
            .calculator-wrapper .form-group label {
                font-size: 14px;
            }
            
            .calculator-wrapper .form-control,
            .calculator-wrapper input[type="number"],
            .calculator-wrapper select {
                font-size: 14px;
                padding: 10px 12px;
            }
            
            .calculator-wrapper .btn {
                font-size: 14px;
                padding: 12px 20px;
            }
            
            .calculator-wrapper h3 {
                font-size: 16px;
            }
            
            .step-navigation {
                flex-direction: column;
                gap: 12px;
            }
            
            .step-navigation .btn {
                width: 100%;
                justify-content: center;
            }
            
            /* 优化移动设备表单元素 */
            .form-row {
                grid-template-columns: 1fr !important;
                gap: 16px !important;
            }
            
            .form-group {
                margin-bottom: 16px !important;
            }
            
            .form-control, .form-select, input[type="number"] {
                padding: 12px 16px !important;
                font-size: 16px !important;
                width: 100% !important;
                box-sizing: border-box !important;
            }
            
            .form-group label {
                font-size: 16px !important;
                margin-bottom: 8px !important;
                display: block !important;
            }
            
            .form-hint {
                font-size: 14px !important;
                margin-top: 6px !important;
            }
            
            /* 优化按钮布局 */
            .form-actions {
                flex-direction: column !important;
                gap: 10px !important;
            }
            
            .form-actions button {
                width: 100% !important;
                justify-content: center !important;
                padding: 12px 20px !important;
                font-size: 14px !important;
            }
            
            /* 优化地区选择 */
            .region-select {
                grid-template-columns: 1fr !important;
                gap: 12px !important;
            }
            
            /* 优化伤残等级和被扶养人信息 */
            .injury-item, .dependent-item {
                padding: 16px !important;
                margin-bottom: 16px !important;
            }
            
            .injury-item .form-row, .dependent-item .form-row {
                gap: 12px !important;
            }
            
            /* 优化结果显示 */
            .result-section {
                padding: 20px !important;
            }
            
            .result-total {
                font-size: 24px !important;
            }
            
            /* 优化表格显示 */
            table {
                font-size: 12px !important;
            }
            
            table th, table td {
                padding: 8px !important;
                text-align: left !important;
            }
        }