fix(miniprogram): 首页补 TopInset 安全区占位（上批遗漏）

miniprogram/src/pages/index/index.jsx

@@ -6,6 +6,7 @@ import {
   MK_CORE, MK_SIGNUP
 } from '@/utils/home';
 import './index.scss';
+import TopInset from '@/components/TopInset';
 
 /* ---------- 首页宣传落地页 ---------- */
 export default function Index() {
@@ -15,6 +16,7 @@ export default function Index() {
 
   return (
     <View className="home page-in">
+      <TopInset />
       {/* 1 · Hero */}
       <View className="mk-hero">
         <Text className="mk-badge">{MK_HERO.badge}</Text>