fix(form): 修复label字号的css变量

[oasis-cloud]

🤔 这个变动的性质是？

• 新特性提交
• 日常 bug 修复
• 站点、文档改进
• 演示代码改进
• 组件样式/交互改进
• TypeScript 定义更新
• 包体积优化
• 性能优化
• 功能增强
• 国际化改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他改动（是关于什么的改动？）

🔗 相关 Issue

💡 需求背景和解决方案

☑️ 请求合并前的自查清单

⚠️ 请自检并全部勾选全部选项。⚠️

• 文档已补充或无须补充
• 代码演示已提供或无须提供
• TypeScript 定义已补充或无须补充
• fork仓库代码是否为最新避免文件冲突
• Files changed 没有 package.json lock 等无关文件

Summary by CodeRabbit

• 新特性
  • 更新了表单项的字体大小和布局属性，支持更灵活的样式调整。
  • 增强了对右到左（RTL）文本方向的支持，改进了标签和必填指示器的对齐和间距。

[coderabbitai]

变更概览

演练

此次变更主要针对 formitem.scss 文件中的样式进行了调整。主要修改包括将 .nut-form-item-labeltxt 类的字体大小从固定的 12px 改为可变的 $form-item-label-font-size 变量。同时，对表单项标签的布局属性进行了优化，特别是在处理从右到左 (RTL) 文本方向时的边距和文本对齐方式。

变更

文件路径	变更摘要
src/packages/formitem/formitem.scss	- 更新 .nut-form-item-labeltxt 字体大小为变量 - 调整 RTL 布局下的边距和文本对齐 - 优化 .nut-form-item-body 及其嵌套类的文本对齐

可能相关的 PR

• fix: 修改tag和badge字体样式变量 #2681：修改了标签的字体大小变量，与本 PR 中的表单项字体大小变更直接相关
• chore(form): correct form methods usage of demo #2528：虽然主要改进了演示代码，但涉及 Form 组件，与表单项样式和布局调整相关

建议标签

2.x

建议评审人

• Alex-huxiyang

诗歌

兔子的样式魔法 🐰✨
字体大小随心变
RTL 布局如丝绸
边距对齐不再烦
表单样式展新颜

---

📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 4713330 and 88db5c3.

📒 Files selected for processing (1)

• src/packages/formitem/formitem.scss (1 hunks)

🔇 Additional comments (1)

src/packages/formitem/formitem.scss (1)

29-29: 字体大小变量修改正确！

将硬编码的字体大小改为使用 CSS 变量是一个很好的改进，这样可以更好地维护和统一管理样式。

运行以下脚本验证变量定义：

✅ Verification successful

CSS变量定义和使用正确，无需修改

变量 $form-item-label-font-size 已在 src/styles/variables.scss 和 src/styles/variables-jmapp.scss 中正确定义，并且使用了CSS自定义属性 --nutui-form-item-label-font-size 作为回退值。这符合设计系统的最佳实践。

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# 检查 $form-item-label-font-size 变量是否在样式文件中定义

# 搜索可能包含变量定义的文件
rg -g '*.scss' -g '*.css' '\$form-item-label-font-size'

Length of output: 339

---

Script:

#!/bin/bash
# 检查变量定义的完整内容
rg -g '*.scss' -g '*.css' '\$form-item-label-font-size' -A 2

Length of output: 825

---

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