diff --git a/docs/UIUX设计系统与约束规范文档.md b/docs/UIUX设计系统与约束规范文档.md
index 15ddb1d..314060f 100644
--- a/docs/UIUX设计系统与约束规范文档.md
+++ b/docs/UIUX设计系统与约束规范文档.md
@@ -108,28 +108,28 @@ $border-subtle: #1E293B;  // 卡片外描边/分割线
 $border-focus: #4F46E5;   // 激活描边色
 ```
 
-#### 3.1.2 暖阳赤焰暖色系 (Sunset Amber & Warm Ember)
-以暖夜焦糖深褐黑为底色，以暖阳曜橙与琥珀金为流光，契合同城探店、陪吃、陪喝、陪唱等温暖治愈系生活场景：
+#### 3.1.2 浅色暖阳晨曦暖色系 (Light Warm Sunset Morning)
+以明亮温润的奶油米白为底色，以纯白卡片与曜橙暖金为视觉焦点，摆脱暗色压抑感，呈现治愈、清爽的日间同城生活陪伴体验：
 
 ```scss
-// 暖阳赤焰专属 Tokens
-$warm-bg-primary: #140E0A;           // 页面全局最底色 (暖夜焦糖深褐黑)
-$warm-bg-surface: #221711;           // 卡片容器底色 (暗夜暖咖琥珀)
-$warm-bg-surface-elevated: #2E1F17;  // 次级浮层底色 (浅暖咖)
-$warm-bg-surface-glass: rgba(34, 23, 17, 0.85); // 拟态磨砂玻璃
+// 浅色暖阳晨曦专属 Tokens
+$warm-bg-primary: #FDFBF7;           // 页面全局最底色 (温润奶油米白)
+$warm-bg-surface: #FFFFFF;           // 卡片容器底色 (高洁暖白)
+$warm-bg-surface-elevated: #F8F5F0;  // 次级浮层底色 (浅暖米杏)
+$warm-bg-surface-glass: rgba(255, 255, 255, 0.90); // 暖白透亮磨砂玻璃
 
 // 品牌核心与暖色流光
-$warm-color-brand: #F97316;          // 核心曜橙 (Primary CTA，极具温度与能量)
-$warm-color-brand-light: #FB923C;    // 暖橙高光
-$warm-color-brand-gold: #F59E0B;     // 琥珀暖金流光
-$warm-color-brand-glow: rgba(249, 115, 22, 0.35); // 暖橙弥散发光光晕
-$warm-color-brand-gradient: linear-gradient(135deg, #F97316, #F59E0B);
+$warm-color-brand: #EA580C;          // 核心曜橙 (Primary CTA，浅底高对比度聚焦色)
+$warm-color-brand-light: #F97316;    // 暖橙高光
+$warm-color-brand-gold: #F59E0B;     // 暖金流光
+$warm-color-brand-glow: rgba(234, 88, 12, 0.18); // 柔和暖橙弥散微光
+$warm-color-brand-gradient: linear-gradient(135deg, #F97316, #FB923C);
 
 // 文本与无障碍对比色阶 (严格满足 WCAG AA 标准)
-$warm-text-primary: #FFF7ED;         // 一级主文本 (暖白，对比度 > 13:1)
-$warm-text-secondary: #C7B5A7;       // 二级描述文本 (暖灰褐，对比度 > 5.5:1)
-$warm-text-muted: #8C7565;           // 三级占位说明 (暗咖灰，对比度 > 3.5:1)
-$warm-border-subtle: #342217;        // 暖色分割线与卡片描边
+$warm-text-primary: #1C1917;         // 一级主文本 (暖炭黑，对比度 > 15:1，超越 AAA 级)
+$warm-text-secondary: #57534E;       // 二级描述文本 (暖深灰，对比度 > 7:1)
+$warm-text-muted: #78716C;           // 三级占位说明 (暖中灰，对比度 > 4.5:1)
+$warm-border-subtle: #F0ECE4;        // 浅米暖灰分割线与卡片描边
 $warm-border-focus: #EA580C;         // 激活描边色
 ```
 
diff --git a/pwuniapp/pages/activity/create.vue b/pwuniapp/pages/activity/create.vue
index 6911a51..338ebe9 100644
--- a/pwuniapp/pages/activity/create.vue
+++ b/pwuniapp/pages/activity/create.vue
@@ -438,30 +438,61 @@ const handleSubmit = () => {
 }
 
 .create-activity-container.theme-warm {
-  background-color: #140E0A;
+  background-color: #FDFBF7;
 
   .mode-switch-wrap .mode-item {
-    background-color: #221711;
-    border-color: rgba(249, 115, 22, 0.12);
+    background-color: #FFFFFF;
+    border-color: #F0ECE4;
+    box-shadow: 0 4rpx 16rpx rgba(28, 25, 23, 0.04);
+
+    .mode-text-box .mode-title {
+      color: #1C1917;
+    }
+    .mode-text-box .mode-desc {
+      color: #78716C;
+    }
 
     &.active {
-      background: rgba(249, 115, 22, 0.15);
-      border-color: #F97316;
+      background: rgba(234, 88, 12, 0.08);
+      border-color: #EA580C;
+      .mode-text-box .mode-title {
+        color: #EA580C;
+      }
     }
   }
 
   .form-card {
-    background-color: #221711;
-    border-color: rgba(249, 115, 22, 0.12);
+    background-color: #FFFFFF;
+    border-color: #F0ECE4;
+    box-shadow: 0 4rpx 20rpx rgba(28, 25, 23, 0.05);
+
+    .form-title {
+      color: #1C1917;
+    }
+    .input-row {
+      border-bottom-color: #F5F2EC;
+      .row-label {
+        color: #1C1917;
+      }
+      .row-input {
+        color: #1C1917;
+      }
+    }
+    .calc-preview {
+      background: #F8F5F0;
+      .preview-label {
+        color: #78716C;
+      }
+    }
   }
 
   .bottom-bar {
-    background-color: rgba(34, 23, 17, 0.95);
-    border-top-color: rgba(249, 115, 22, 0.15);
+    background-color: rgba(253, 251, 247, 0.95);
+    border-top-color: #F0ECE4;
 
     .btn-submit {
       background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
-      box-shadow: 0 4rpx 20rpx rgba(249, 115, 22, 0.45);
+      box-shadow: 0 4rpx 20rpx rgba(234, 88, 12, 0.35);
     }
   }
 }