style(forms): 全站表单项间距统一调整为14px

- 统一调整settlement、business、payment模块以及全局样式中.el-form-item的margin-bottom从16/18/20px改为14px
- 保留搜索栏相关的.el-form-item间距为8px和特殊分组risk-disposal的28px
- 修正多个页面和组件的局部样式覆盖问题，确保填写区表单项间距一致
- 更新element-ui.scss中.dialog-form--carded对应的margin-bottom为14px
- 维护部分表单组件原本使用的重要样式不变，保证视觉统一且不影响特殊布局

src/views/business/components/business-crud-page.vue

@@ -13377,7 +13377,7 @@ export default {
 
   &__dispatch-shipping-form {
     :deep(.el-form-item) {
-      margin-bottom: 16px;
+      margin-bottom: 14px;
     }
   }
 
@@ -13891,7 +13891,7 @@ export default {
     width: 100%;
 
     :deep(.el-form-item) {
-      margin-bottom: 16px;
+      margin-bottom: 14px;
     }
 
     :deep(.el-select),

src/views/business/components/master-order-dispatch.vue

@@ -697,7 +697,7 @@ export default {
 .route-overview__line { flex: 0 1 56px; min-width: 24px; height: 32px; margin-top: 0; border-bottom: 6px solid #e4e7ed; }
 .segment-header { min-height: 46px; padding: 0 20px; border-bottom: 1px solid #eff1f7; font-weight: 600; em { color: #409eff; font-style: normal; } }
 .segment-content { padding: 16px 24px; }
-.dispatch-form { :deep(.el-form-item) { margin-bottom: 16px; } :deep(.el-input), :deep(.el-select), :deep(.el-date-editor), :deep(.el-input-number) { width: 100%; } :deep(.el-input-group__append .el-select) { width: auto; } }
+.dispatch-form { :deep(.el-form-item) { margin-bottom: 14px; } :deep(.el-input), :deep(.el-select), :deep(.el-date-editor), :deep(.el-input-number) { width: 100%; } :deep(.el-input-group__append .el-select) { width: auto; } }
 .transport-type-field :deep(.el-input) { width: 240px; }
 .goods-heading { display: flex; align-items: center; justify-content: space-between; margin: 0 -24px 12px; padding: 14px 24px; border-top: 1px solid #eff1f7; border-bottom: 1px solid #eff1f7; h3 { margin: 0; padding-left: 12px; border-left: 4px solid #409eff; font-size: 16px; } span { color: #909399; font-size: 13px; } }
 .freight-heading { margin: 16px 0 12px; h3 { margin: 0; padding-left: 12px; border-left: 4px solid #409eff; font-size: 16px; } }

src/views/business/contract-manage.vue

@@ -2250,7 +2250,7 @@ export default {
 
   :deep(.el-form-item) {
     align-items: center;
-    margin-bottom: 16px;
+    margin-bottom: 14px;
   }
 
   :deep(.el-form-item__label) {

src/views/business/loading-manage.vue

@@ -2748,7 +2748,7 @@ export default {
   }
 
   :deep(.el-form-item) {
-    margin-bottom: 16px;
+    margin-bottom: 14px;
   }
 
   :deep(.el-form-item__label) {

src/views/business/project-apply.vue

@@ -2088,7 +2088,7 @@ export default {
   }
 
   :deep(.el-form-item) {
-    margin-bottom: 16px;
+    margin-bottom: 14px;
   }
 
   :deep(.el-form-item__label) {

src/views/business/voucher-manage.vue

@@ -1019,7 +1019,7 @@ load();
     display: none;
   }
   &__upload-form :deep(.el-form-item) {
-    margin-bottom: 16px;
+    margin-bottom: 14px;
   }
   &__upload-tip {
     margin-left: 16px;