分离具体属性组件，加入样式表系统

Runtime/OverrideUI/AvrgValues/XUIAvrgMDInputFieldValue.cs

@@ -1,6 +1,7 @@
 using System;
 using UnityEngine;
 using UnityEngine.UI;
+using XericLibrary.Runtime.SuperStyleSheet;
 
 namespace XericUI.ReflectionUIGenerator
 {
@@ -11,14 +12,48 @@ namespace XericUI.ReflectionUIGenerator
     public class XUIAvrgMDInputFieldValue : XUIAvrgMDValue
     {
         [SerializeField]
-        [Tooltip("关联的 InputField 组件（未设置则自动查找）")]
+        [Tooltip("关联的 InputField 组件")]
+#if dUI_TextMeshPro
+        private TMPro.TMP_InputField _inputField;
+#else
         private InputField _inputField;
+#endif
+
+        [Header("InputField 专属插槽")]
+        [SerializeField, Tooltip("增加按钮（点击按步进值 +）")]
+        private Button _incrementButton;
+
+        [SerializeField, Tooltip("减少按钮（点击按步进值 -）")]
+        private Button _decrementButton;
+
+        // ============ 样式表参数 ============
+        private readonly StyleMember _styleStepValue = new() { StylePath = "xuiavrg/input/stepValue" };
+
+        // ============ 生命周期 ============
 
         private void Awake()
         {
+#if dUI_TextMeshPro
+            if (_inputField == null) _inputField = GetComponent<TMPro.TMP_InputField>();
+#else
             if (_inputField == null) _inputField = GetComponent<InputField>();
+#endif
         }
 
+        protected override void OnEnable()
+        {
+            base.OnEnable();
+            _styleStepValue.Register();
+        }
+
+        protected override void OnDisable()
+        {
+            base.OnDisable();
+            _styleStepValue.Unregister();
+        }
+
+        // ============ 核心绑定 ============
+
         public override void BindToAccessor(
             IAvrgValueAccessor accessor,
             AvrgMvvmBinding binding,
@@ -29,12 +64,25 @@ namespace XericUI.ReflectionUIGenerator
 
             if (binding == null || accessor == null || _inputField == null) return;
 
-            // 设置输入类型
+#if dUI_TextMeshPro
+            if (accessor.ValueType == typeof(float) || accessor.ValueType == typeof(int)
+                || accessor.ValueType == typeof(double))
+            {
+                _inputField.contentType = TMPro.TMP_InputField.ContentType.DecimalNumber;
+            }
+#else
             if (accessor.ValueType == typeof(float) || accessor.ValueType == typeof(int)
                 || accessor.ValueType == typeof(double))
             {
                 _inputField.contentType = InputField.ContentType.DecimalNumber;
             }
+#endif
+
+            // 增减按钮
+            if (_incrementButton != null)
+                _incrementButton.onClick.AddListener(OnIncrementClicked);
+            if (_decrementButton != null)
+                _decrementButton.onClick.AddListener(OnDecrementClicked);
 
             // UI → 数据
             _inputField.onEndEdit.AddListener(val =>
@@ -53,6 +101,43 @@ namespace XericUI.ReflectionUIGenerator
             // 首次同步
             var initialValue = accessor.GetValue();
             _inputField.SetTextWithoutNotify(accessor.FormatDisplay(initialValue));
+
+            RefreshCommonNodes();
+        }
+
+        // ============ 步进 ============
+
+        private float GetStepValue()
+        {
+            var val = GetStyleValue(_styleStepValue);
+            return val?.GetValueAsFloat() ?? 1f;
+        }
+
+        private void OnIncrementClicked()
+        {
+            if (CurrentAccessor?.IsReadOnly == true || _inputField == null) return;
+            if (!float.TryParse(_inputField.text, out float current)) return;
+            float step = GetStepValue();
+            float newVal = current + step;
+            _inputField.text = CurrentAccessor.FormatDisplay(
+                ConvertValueForAccessor(newVal, CurrentAccessor.ValueType));
+        }
+
+        private void OnDecrementClicked()
+        {
+            if (CurrentAccessor?.IsReadOnly == true || _inputField == null) return;
+            if (!float.TryParse(_inputField.text, out float current)) return;
+            float step = GetStepValue();
+            float newVal = current - step;
+            _inputField.text = CurrentAccessor.FormatDisplay(
+                ConvertValueForAccessor(newVal, CurrentAccessor.ValueType));
+        }
+
+        private static object ConvertValueForAccessor(float val, Type targetType)
+        {
+            if (targetType == typeof(int)) return (int)val;
+            if (targetType == typeof(double)) return (double)val;
+            return val;
         }
 
         private static object ConvertStringToValue(string s, Type targetType)