fix(workshop): AI创作弹窗v6.2 输入框默认两行空间(min-height 30→60+rows=2)

project/短视频脚本创作/V1.0/mcn-work-shop/public/data-pages.js

@@ -229,7 +229,7 @@ async function confirmAiScript(accountName, btn) {
     <div class="req-attach-row" id="attachRow"></div>
     <div class="req-bar">
       <div class="req-input-box">
-        <textarea id="reqInput" class="req-input" rows="1" placeholder="说说你的想法，例如：想拍一个亲子互动的搞笑短剧…（也可以先上传需求文档）"></textarea>
+        <textarea id="reqInput" class="req-input" rows="2" placeholder="说说你的想法，例如：想拍一个亲子互动的搞笑短剧…（也可以先上传需求文档）"></textarea>
         <div class="req-input-toolbar">
           <button type="button" class="req-paper" id="reqPaper" title="上传需求附件（doc / docx / txt / pdf）">${svgIcon('paperclip', 17)}</button>
           <div class="req-spacer"></div>

project/短视频脚本创作/V1.0/mcn-work-shop/public/style.css

@@ -261,7 +261,8 @@ main { height: calc(100vh - 54px); }
   width: 100%; box-sizing: border-box;
   border: none; outline: none; resize: none; background: transparent;
   font-size: 14px; font-family: inherit; line-height: 1.5;
-  min-height: 30px; max-height: 100px;
+  /* 默认两行输入空间（行高 21px × 2 + padding 16 = 58 → 取 60 留 2px 余量） */
+  min-height: 60px; max-height: 100px;
   padding: 10px 14px 6px;
 }
 .req-input::placeholder { color: #a6aebc; }