diff --git a/assets/css/page.scss b/assets/css/page.scss
index 3fbcb1f..016f5b2 100644
--- a/assets/css/page.scss
+++ b/assets/css/page.scss
@@ -943,6 +943,12 @@
 	padding-bottom: 160rpx;
 }
 
+// 详情页容器（scanpages 页面统一使用，背景色由各页覆盖）
+.detail-page {
+	min-height: 100vh;
+	padding-bottom: 180rpx;
+}
+
 // 信息分组
 .info-group {
 	background: #ffffff;
@@ -970,7 +976,7 @@
 
 	.info-label {
 		flex-shrink: 0;
-		width: 180rpx;
+		width: 200rpx;
 		font-size: 28rpx;
 		color: #666;
 		line-height: 40rpx;
@@ -1023,7 +1029,7 @@
 	// 可点击行（扫码添加）
 	&.info-link {
 		.info-label {
-			flex: 1;
+			width: 200rpx;
 		}
 
 		.scan-icon {
@@ -1177,6 +1183,39 @@
 	}
 }
 
+// 主渐变按钮（scanpages 多页面复用）
+.btn-primary-gradient {
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	padding: 24rpx;
+	background: linear-gradient(135deg, $app-primary, #5a9aff);
+	border-radius: 14rpx;
+	box-shadow: 0 6rpx 24rpx rgba($app-primary, 0.3);
+
+	&:active {
+		opacity: 0.9;
+		transform: scale(0.98);
+	}
+
+	&--disabled {
+		background: #c5cbd5;
+		box-shadow: none;
+
+		&:active {
+			opacity: 1;
+			transform: none;
+		}
+	}
+
+	&__text {
+		font-size: 30rpx;
+		font-weight: 600;
+		color: #ffffff;
+		letter-spacing: 2rpx;
+	}
+}
+
 // 网格页面（试压管理等）
 .page-grid {
 	min-height: 100vh;
diff --git a/scanpages/hj/daily_paper.vue b/scanpages/hj/daily_paper.vue
index b3bed84..2ee1c23 100644
--- a/scanpages/hj/daily_paper.vue
+++ b/scanpages/hj/daily_paper.vue
@@ -12,7 +12,7 @@
 			</view>
 			<view class="info-item info-link" @click="handleShowLocationSelect">
 				<text class="info-label">焊口位置</text>
-				<text class="info-value">{{ form.WeldingLocationCode ? `${form.WeldingLocationCode}(${form.WeldingLocationName})` : '请选择' }}</text>
+				<text class="info-value">{{ form.WeldingLocationCode ? `${form.WeldingLocationCode||'--'}(${form.WeldingLocationName||'--'})` : '请选择' }}</text>
 				<u-icon name="arrow-right" :size="28" color="#ccc"></u-icon>
 			</view>
 			<view class="info-item">
diff --git a/scanpages/hj/do_anti_rust.vue b/scanpages/hj/do_anti_rust.vue
index e02d24c..02b09c4 100644
--- a/scanpages/hj/do_anti_rust.vue
+++ b/scanpages/hj/do_anti_rust.vue
@@ -348,22 +348,22 @@ const handleSubmit = async () => {
 </script>
 
 <style lang="scss" scoped>
-$primary: #2979ff;
-$primary-light: #e8f0fe;
-$primary-mid: #d0ddff;
-$primary-dark: #1a56cc;
+// 继承全局变量（定义在 uni.scss）
+$primary: $app-primary;
+$primary-light: $app-primary-light;
+$primary-mid: $app-primary-mid;
+$primary-dark: $app-primary-dark;
+$text: $app-text;
+$text-secondary: $app-text-secondary;
+$border: $app-border;
+$radius: $app-radius;
+// 页面专属
 $bg: #f4f2ee;
-$text: #0f1724;
-$text-secondary: #6b7c93;
-$border: #e8ecf1;
 $card-bg: #fefdfb;
-$radius: 16rpx;
 $shadow-md: 0 2rpx 12rpx rgba(0, 0, 0, 0.04), 0 8rpx 24rpx rgba(0, 0, 0, 0.06);
 
 .detail-page {
-	min-height: 100vh;
 	background: $bg;
-	padding-bottom: 180rpx;
 }
 
 // ===== 焊口主标识 =====
diff --git a/scanpages/hj/make_right.vue b/scanpages/hj/make_right.vue
index a58abe0..61c5558 100644
--- a/scanpages/hj/make_right.vue
+++ b/scanpages/hj/make_right.vue
@@ -102,8 +102,8 @@
 
 		<!-- 提交按钮 -->
 		<view class="submit-bar">
-			<view class="submit-btn" @click="handleSubmit">
-				<text class="submit-btn__text">提交</text>
+			<view class="btn-primary-gradient" @click="handleSubmit">
+				<text class="btn-primary-gradient__text">提交</text>
 			</view>
 		</view>
 
@@ -239,23 +239,23 @@ const handleSubmit = () => {
 </script>
 
 <style lang="scss" scoped>
-$primary: #2979ff;
-$primary-light: #e8f0fe;
-$primary-mid: #d0ddff;
-$primary-dark: #1a56cc;
+// 继承全局变量（定义在 uni.scss）
+$primary: $app-primary;
+$primary-light: $app-primary-light;
+$primary-mid: $app-primary-mid;
+$primary-dark: $app-primary-dark;
+$text: $app-text;
+$text-secondary: $app-text-secondary;
+$border: $app-border;
+$radius: $app-radius;
+// 页面专属
 $bg: #f0f2f5;
-$text: #0f1724;
-$text-secondary: #6b7c93;
-$border: #e8ecf1;
 $card-bg: #ffffff;
-$radius: 16rpx;
 $shadow-sm: 0 2rpx 8rpx rgba(0, 0, 0, 0.05);
 $shadow-md: 0 4rpx 16rpx rgba(0, 0, 0, 0.06);
 
 .detail-page {
-	min-height: 100vh;
 	background: $bg;
-	padding-bottom: 180rpx;
 }
 
 // ===== 焊口主标识 =====
@@ -499,26 +499,4 @@ $shadow-md: 0 4rpx 16rpx rgba(0, 0, 0, 0.06);
 	background: linear-gradient(180deg, rgba($bg, 0) 0%, $bg 20%);
 }
 
-.submit-btn {
-	display: flex;
-	align-items: center;
-	justify-content: center;
-	padding: 24rpx;
-	background: linear-gradient(135deg, $primary, #5a9aff);
-	border-radius: 14rpx;
-	box-shadow: 0 6rpx 24rpx rgba($primary, 0.3);
-
-	&:active {
-		opacity: 0.9;
-		transform: scale(0.98);
-	}
-
-	&__text {
-		font-size: 30rpx;
-		font-weight: 600;
-		color: #fff;
-		letter-spacing: 2rpx;
-	}
-}
-
 </style>
diff --git a/scanpages/hj/material_sampling.vue b/scanpages/hj/material_sampling.vue
index 2c2f449..6f87682 100644
--- a/scanpages/hj/material_sampling.vue
+++ b/scanpages/hj/material_sampling.vue
@@ -84,8 +84,8 @@
 
 		<!-- 提交按钮 -->
 		<view class="submit-bar">
-			<view class="submit-btn" @click="handleSubmit">
-				<text class="submit-btn__text">提交校验结果</text>
+			<view class="btn-primary-gradient" @click="handleSubmit">
+				<text class="btn-primary-gradient__text">提交校验结果</text>
 			</view>
 		</view>
 	</view>
@@ -200,23 +200,23 @@ const gaugeWidth = (val, min, max) => {
 </script>
 
 <style lang="scss" scoped>
-$primary: #2979ff;
-$primary-light: #e8f0fe;
-$primary-mid: #d0ddff;
-$primary-dark: #1a56cc;
+// 继承全局变量（定义在 uni.scss）
+$primary: $app-primary;
+$primary-light: $app-primary-light;
+$primary-mid: $app-primary-mid;
+$primary-dark: $app-primary-dark;
+$text: $app-text;
+$text-secondary: $app-text-secondary;
+$border: $app-border;
+$radius: $app-radius;
+// 页面专属
 $bg: #f0f2f5;
-$text: #0f1724;
-$text-secondary: #6b7c93;
-$border: #e8ecf1;
 $card-bg: #ffffff;
-$radius: 16rpx;
 $shadow-sm: 0 2rpx 8rpx rgba(0, 0, 0, 0.05);
 $shadow-md: 0 4rpx 16rpx rgba(0, 0, 0, 0.06);
 
 .detail-page {
-	min-height: 100vh;
 	background: $bg;
-	padding-bottom: 180rpx;
 }
 
 // ===== 焊口主标识 =====
@@ -444,43 +444,6 @@ $shadow-md: 0 4rpx 16rpx rgba(0, 0, 0, 0.06);
 	background: linear-gradient(180deg, rgba(240, 242, 245, 0) 0%, $bg 20%);
 }
 
-.submit-btn {
-	display: flex;
-	align-items: center;
-	justify-content: center;
-	padding: 24rpx;
-	background: linear-gradient(135deg, $primary, #5a9aff);
-	border-radius: 14rpx;
-	box-shadow: 0 6rpx 24rpx rgba($primary, 0.3);
-	transition: all 0.25s ease;
-
-	&:active {
-		opacity: 0.9;
-		transform: scale(0.98);
-	}
-
-	&--disabled {
-		background: #c5cbd5;
-		box-shadow: none;
-
-		&:active {
-			opacity: 1;
-			transform: none;
-		}
-
-		.submit-btn__text {
-			color: #94a3b8;
-		}
-	}
-
-	&__text {
-		font-size: 30rpx;
-		font-weight: 600;
-		color: #ffffff;
-		letter-spacing: 2rpx;
-	}
-}
-
 // ===== 备注输入框 =====
 .remark-card {
 	background: $card-bg;
diff --git a/scanpages/hj/materials_detail.vue b/scanpages/hj/materials_detail.vue
index 23a55bb..acc685e 100644
--- a/scanpages/hj/materials_detail.vue
+++ b/scanpages/hj/materials_detail.vue
@@ -102,18 +102,19 @@ const showPrint = ref(false)
 </script>
 
 <style lang="scss" scoped>
-	$primary: #2979ff;
-	$primary-light: #e8f0fe;
-	$primary-dark: #1a56cc;
+	// 继承全局变量（定义在 uni.scss）
+	$primary: $app-primary;
+	$primary-light: $app-primary-light;
+	$primary-dark: $app-primary-dark;
+	$text-secondary: $app-text-secondary;
+	$radius: $app-radius;
+	// 页面专属
 	$bg: #f5f7fa;
 	$text: #1a2332;
-	$text-secondary: #6b7c93;
 	$border: #e2e8f0;
 	$card-bg: #ffffff;
-	$radius: 16rpx;
 
 	.detail-page {
-		min-height: 100vh;
 		background: $bg;
 		padding-bottom: 160rpx;
 	}
diff --git a/uni.scss b/uni.scss
index 03d2193..4b20b18 100644
--- a/uni.scss
+++ b/uni.scss
@@ -13,6 +13,16 @@
  */
 @import 'uview-pro/theme.scss';
 
+// ========== 项目共用变量（scanpages 多页面复用）==========
+$app-primary: #2979ff;
+$app-primary-light: #e8f0fe;
+$app-primary-mid: #d0ddff;
+$app-primary-dark: #1a56cc;
+$app-text: #0f1724;
+$app-text-secondary: #6b7c93;
+$app-border: #e8ecf1;
+$app-radius: 16rpx;
+
 /* 颜色变量 */
 
 /* 行为相关颜色 */