diff --git a/src/components/fields/phone/pc.vue b/src/components/fields/phone/pc.vue
index 475d03f..466c5c8 100644
--- a/src/components/fields/phone/pc.vue
+++ b/src/components/fields/phone/pc.vue
@@ -24,6 +24,7 @@ function onInput(val: string) {
 </script>
 
 <template>
+    <!-- 值通道=update:modelValue（@input 在 view-ui-plus Input 上穿透成原生事件，P88） -->
     <Input :model-value="displayValue" :maxlength="field.maxLength || 11"
-        :placeholder="field.placeholder || '请输入手机号'" :disabled="readonly" @input="onInput" />
+        :placeholder="field.placeholder || '请输入手机号'" :disabled="readonly" @update:model-value="onInput" />
 </template>
\ No newline at end of file
diff --git a/src/components/fields/text/pc.vue b/src/components/fields/text/pc.vue
index 1b340f2..e760da7 100644
--- a/src/components/fields/text/pc.vue
+++ b/src/components/fields/text/pc.vue
@@ -24,6 +24,8 @@ function onInput(val: string) {
 </script>
 
 <template>
+    <!-- 值通道=update:modelValue（view-ui-plus Input 的 emits 表里没有 input，
+         @input 会穿透成原生监听器把 InputEvent 当值存进答卷，P88） -->
     <Input :model-value="displayValue" :placeholder="field.placeholder || '请输入'" :disabled="readonly"
-        @input="onInput" />
+        @update:model-value="onInput" />
 </template>
\ No newline at end of file
diff --git a/src/components/fields/textarea/pc.vue b/src/components/fields/textarea/pc.vue
index a1d6353..7d61131 100644
--- a/src/components/fields/textarea/pc.vue
+++ b/src/components/fields/textarea/pc.vue
@@ -24,6 +24,7 @@ function onInput(val: string) {
 </script>
 
 <template>
+    <!-- 值通道=update:modelValue（@input 在 view-ui-plus Input 上穿透成原生事件，P88） -->
     <Input type="textarea" :model-value="displayValue" :rows="field.rows || 3" :maxlength="field.maxLength"
-        :placeholder="field.placeholder || '请输入'" :disabled="readonly" @input="onInput" />
+        :placeholder="field.placeholder || '请输入'" :disabled="readonly" @update:model-value="onInput" />
 </template>
\ No newline at end of file
diff --git a/src/views/Fill.vue b/src/views/Fill.vue
index 2694c4a..fe21cb4 100644
--- a/src/views/Fill.vue
+++ b/src/views/Fill.vue
@@ -399,17 +399,14 @@ const readonlyReason = computed(() => {
     padding: 16px;
 }
 
-.page-wrapper.yh-fill {
-    min-height: 100vh;
-    background: #f5f7f9;
-}
-
+/* 壳内渲染吃平台的卡片模型（base.layout.css：.yh-fill=纵向 flex、.main-container=卡片
+   自带底色/边框/16px 外距），这里只做定宽居中。P88 窄卡根因：flex 子项水平 margin:auto
+   会放弃 stretch、收缩到内容宽（~300px），所以用 width:100% + align-self:center 定宽，
+   外距与底色留给平台，嵌入态（fill-plain）不受影响。 */
 .main-container {
+    width: 100%;
     max-width: 800px;
-    margin: 0 auto;
-    padding: 24px;
-    background: white;
-    border-radius: 4px;
+    align-self: center;
 }
 
 .loading-state,