.calculator-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .calculator-card {
            background-color: #fff;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            padding: 32px;
        }
        
        .calculator-title {
            text-align: center;
            color: #1a1a1a;
            margin-bottom: 32px;
            font-size: 26px;
            font-weight: 600;
        }
        
        .form-section {
            background-color: #fff;
            padding: 24px;
            border-radius: 12px;
            margin-bottom: 24px;
            border: 1px solid #e8e8e8;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            transition: all 0.3s ease;
        }
        
        .form-section:hover {
            box-shadow: 0 4px 16px rgba(0,0,0,0.08);
        }
        
        .form-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        
        @media (max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
            }
        }
        
        .form-group {
            margin-bottom: 18px;
        }
        
        .form-group.full-width {
            grid-column: span 4;
        }
        
        /* 内联输入验证样式 */
        .form-control.error {
            border-color: #ef4444 !important;
            background: #fef2f2;
        }
        .form-error-msg {
            color: #ef4444;
            font-size: 12px;
            margin-top: 6px;
            display: none;
        }
        .form-error-msg.show {
            display: block;
        }
        
        @media (max-width: 768px) {
            .form-group.full-width {
                grid-column: span 1;
            }
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
            font-size: 14px;
        }
        
        .form-control, .form-select {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 14px;
            box-sizing: border-box;
            transition: all 0.3s ease;
        }
        
        .form-control:focus, .form-select:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
        }

        .form-control[readonly] {
            background: linear-gradient(135deg, #f0f5ff 0%, #e8edff 100%);
            color: #475569;
            cursor: default;
        }
        
        .form-hint {
            font-size: 12px;
            color: #94a3b8;
            margin-top: 6px;
        }
        
        .required {
            color: #ef4444;
            margin-right: 4px;
        }
        
        .section-title {
            color: #1a1a1a;
            margin-bottom: 20px;
            font-size: 18px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 12px;
            border-bottom: 2px solid #e8e8e8;
        }
        
        .divider {
            border-top: 2px dashed #e8e8e8;
            margin: 24px 0;
        }
        
        .radio-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            background: #fafafa;
            padding: 16px 20px;
            border-radius: 12px;
            margin-bottom: 18px;
            border: 1px solid #e8e8e8;
        }
        
        .radio-option {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            cursor: pointer;
            padding: 14px 18px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            transition: all 0.3s ease;
            background: #fff;
            flex-direction: column;
            min-width: 200px;
        }

        .radio-option-header {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
        }
        
        .radio-option:hover {
            border-color: #667eea;
            background: #f0f7ff;
        }
        
        .radio-option input[type="radio"] {
            margin: 0;
            cursor: pointer;
            width: 18px;
            height: 18px;
            accent-color: #667eea;
        }
        
        .radio-option.selected {
            border-color: #667eea;
            background: linear-gradient(135deg, #f0f7ff 0%, #e8edff 100%);
        }

        .radio-option-desc {
            font-size: 12px;
            color: #64748b;
            margin-left: 0;
            margin-top: 6px;
            line-height: 1.5;
        }

        .radio-option.selected .radio-option-desc {
            color: #475569;
        }
        
        .info-box {
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
            border: 1px solid #93c5fd;
            border-radius: 10px;
            padding: 16px;
            margin-bottom: 18px;
            font-size: 14px;
            color: #1e40af;
        }
        
        .info-box.warning {
            background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
            border-color: #fcd34d;
            color: #92400e;
        }

        .info-box.danger {
            background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
            border-color: #fca5a5;
            color: #991b1b;
        }

        .info-box.success {
            background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
            border-color: #86efac;
            color: #166534;
        }
        
        .btn {
            padding: 12px 28px;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        
        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
            padding: 14px 36px;
            font-size: 16px;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
        }
        
        .btn-secondary {
            background: #f5f5f5;
            color: #555;
            border: 1px solid #e0e0e0;
        }
        
        .btn-secondary:hover {
            background: #e8e8e8;
            border-color: #667eea;
            color: #667eea;
        }

        .btn-export-pdf {
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            color: #fff;
            padding: 10px 20px;
            margin-right: 10px;
        }
        .btn-export-pdf:hover { 
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
        }

        .btn-export-excel {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
            color: #fff;
            padding: 10px 20px;
        }
        .btn-export-excel:hover { 
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }
        
        .btn-group {
            display: flex;
            gap: 16px;
            margin-top: 28px;
            align-items: center;
            justify-content: center;
        }
        
        .result-section {
            background: linear-gradient(135deg, #f0f7ff 0%, #e6f7ff 100%);
            padding: 28px;
            border-radius: 16px;
            border: 1px solid #91d5ff;
            margin-top: 28px;
        }
        
        .result-title {
            color: #1a1a1a;
            margin-bottom: 20px;
            font-size: 20px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
            padding-bottom: 12px;
            border-bottom: 2px solid #91d5ff;
        }
        
        .result-content {
            background-color: #fff;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #e8e8e8;
            margin-bottom: 20px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        
        .result-row {
            display: flex;
            justify-content: space-between;
            padding: 14px 16px;
            background: #fafafa;
            border-radius: 8px;
            margin-bottom: 10px;
            transition: all 0.2s ease;
            align-items: center;
        }
        
        .result-row:hover {
            background: #f0f5ff;
            transform: translateX(4px);
        }
        
        .result-label {
            font-weight: 600;
            color: #475569;
        }
        
        .result-value {
            font-weight: 700;
            color: #667eea;
            font-size: 16px;
        }
        
        .export-buttons {
            text-align: center;
            margin-top: 20px;
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .legal-basis {
            background: #fafafa;
            padding: 24px;
            border-radius: 12px;
            border: 1px solid #e8e8e8;
            margin-top: 28px;
        }
        
        .legal-basis h3 {
            color: #1a1a1a;
            margin-bottom: 16px;
            font-size: 17px;
            font-weight: 600;
            padding-bottom: 12px;
            border-bottom: 2px solid #e8e8e8;
        }
        
        .legal-basis ul {
            padding-left: 20px;
            color: #64748b;
            font-size: 14px;
            line-height: 1.8;
        }
        
        .legal-basis li {
            margin-bottom: 10px;
        }
        
        .legal-basis .warning {
            color: #ef4444;
            font-size: 13px;
            margin-top: 16px;
            padding: 12px 16px;
            background: #fef2f2;
            border-radius: 8px;
            border-left: 3px solid #ef4444;
        }
        
        .result-total {
            text-align: center;
            padding: 32px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 16px;
            margin-bottom: 24px;
            box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
        }
        
        .result-total .label {
            font-size: 18px;
            margin-bottom: 16px;
            opacity: 0.95;
        }
        
        .result-total .amount {
            font-size: 42px;
            font-weight: 700;
        }
        
        .result-total .sub {
            font-size: 14px;
            margin-top: 14px;
            opacity: 0.9;
        }
        
        .breakdown-item {
            display: flex;
            justify-content: space-between;
            padding: 14px 16px;
            border-bottom: 1px dashed #e0e0e0;
        }
        
        .breakdown-item:last-child {
            border-bottom: none;
        }
        
        .segment-box {
            padding: 18px;
            border-radius: 12px;
            margin-bottom: 18px;
        }
        
        .segment-box.segment1 {
            background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
            border: 1px solid #fcd34d;
        }
        
        .segment-box.segment2 {
            background: linear-gradient(135deg, #ecfeff 0%, #cffafe 100%);
            border: 1px solid #67e8f9;
        }
        
        .segment-box h4 {
            margin-bottom: 12px;
            font-size: 15px;
        }
        
        .segment-box.segment1 h4 {
            color: #92400e;
        }
        
        .segment-box.segment2 h4 {
            color: #0e7490;
        }

        /* 典型案例区域 */
        .example-section {
            background: #fff;
            border: 1px solid #e8e8e8;
            border-radius: 12px;
            padding: 24px;
            margin-top: 24px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }

        .example-section h3 {
            color: #333;
            font-size: 17px;
            margin-bottom: 18px;
            font-weight: 600;
            padding-bottom: 12px;
            border-bottom: 2px solid #e8e8e8;
        }

        .example-tabs {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .example-tab {
            padding: 8px 18px;
            border: 2px solid #667eea;
            border-radius: 24px;
            color: #667eea;
            cursor: pointer;
            font-size: 13px;
            background: #fff;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .example-tab:hover, .example-tab.active {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
        }

        @media (max-width: 768px) {
            .radio-group {
                flex-direction: column;
            }
            
            .btn-group {
                flex-direction: column;
            }
            
            .btn-group .btn {
                width: 100%;
                justify-content: center;
            }
            
            /* 优化表单元素 */
            .form-control,
            .form-select {
                padding: 14px 16px;
                font-size: 16px;
            }
            
            /* 优化按钮 */
            .btn {
                padding: 14px 24px;
                font-size: 16px;
                width: 100%;
            }
            
            /* 优化标题和标签 */
            .section-title {
                font-size: 16px;
                margin-bottom: 16px;
            }
            
            label {
                font-size: 16px;
                margin-bottom: 10px;
            }
            
            /* 优化radio选项 */
            .radio-option {
                min-width: 100%;
                padding: 12px 16px;
            }
            
            /* 优化提示信息 */
            .form-hint {
                font-size: 13px;
            }
        }
        
        /* 针对更小屏幕的优化 */
        @media (max-width: 480px) {
            .calculator-card {
                padding: 20px;
            }
            
            .form-section {
                padding: 16px;
            }
            
            .section-title {
                font-size: 15px;
                margin-bottom: 14px;
            }
            
            .form-control,
            .form-select {
                padding: 12px 14px;
                font-size: 14px;
            }
            
            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }
            
            label {
                font-size: 14px;
                margin-bottom: 8px;
            }
            
            /* 优化radio选项 */
            .radio-option {
                padding: 10px 12px;
            }
            
            /* 优化结果显示 */
            .result-total .amount {
                font-size: 32px;
            }
            
            .result-total .label {
                font-size: 16px;
            }
        }