style(mini-program): 优化核心参数选项按钮样式

- 减小 padding 从 12rpx 20rpx → 8rpx 12rpx，按钮更紧凑
- 添加 text-align: center，文字居中显示
- 移除 white-space: nowrap，允许内容换行

mini-program/src/pages/main/ScriptView.vue

@@ -616,13 +616,13 @@ onMounted(async () => {
 }
 
 .param-option {
-  padding: 12rpx 20rpx;
+  padding: 8rpx 12rpx;
   background: rgba(255, 255, 255, 0.05);
   border: 1px solid rgba(255, 255, 255, 0.1);
   border-radius: 20rpx;
   font-size: 20rpx;
   color: rgba(255, 255, 255, 0.4);
-  white-space: nowrap;
+  text-align: center;
   transition: all 0.2s ease;
 }