fix(styles): 调整必填星号与标签首行对齐样式

- 修改 .el-form-item__label 的对齐方式使必填星号与首行文字齐平
- 设置多标签布局下星号对齐，兼容单行和多行标签显示
- 调整 ::before 伪元素行高和外边距，确保星号基线一致

fix(project-apply): 更新表单字段“资金需求”为“履约保证金”

- 修改项目申请页面中“资金需求”标签为“履约保证金”
- 更新对应验证规则标签名称，保持校验一致性

chore(config): 更新开发服务器端口及代理设置

- 注释旧服务器配置，启用新端口 2889
- 更新 /api 代理目标地址为 172.16.203.228:8000
- 保持代理跨域设置不变

src/views/business/project-apply.vue

@@ -376,7 +376,7 @@
               <template #suffix>万元</template>
             </el-input>
           </el-form-item>
-          <el-form-item label="资金需求" prop="fundDemand">
+          <el-form-item label="履约保证金" prop="fundDemand">
             <el-input
               v-model="form.fundDemand"
               @input="value => handleNumberInput('fundDemand', value)"
@@ -1025,7 +1025,7 @@ export default {
         ],
         projectScale: [{ label: '项目规模', validator: validateAmount, trigger: 'blur' }],
         estimatedProfit: [{ label: '预估利润', validator: validateAmount, trigger: 'blur' }],
-        fundDemand: [{ label: '资金需求', validator: validateAmount, trigger: 'blur' }],
+        fundDemand: [{ label: '履约保证金', validator: validateAmount, trigger: 'blur' }],
         handlerUserId: [
           {
             required: true,