style(Profile): 用户中心 UI 紧凑化与布局优化

src/views/ValueForum/PredictionTopicDetail.js

@@ -38,6 +38,7 @@ import { motion } from 'framer-motion';
 import { forumColors } from '@theme/forumTheme';
 import { getTopicDetail, getUserAccount } from '@services/predictionMarketService.api';
 import { useAuth } from '@contexts/AuthContext';
+import { LAYOUT_SIZE } from '@/layouts/config/layoutConfig';
 import TradeModal from './components/TradeModal';
 import PredictionCommentSection from './components/PredictionCommentSection';
 import CommentInvestModal from './components/CommentInvestModal';
@@ -222,7 +223,7 @@ const PredictionTopicDetail = () => {
   };
 
   return (
-    <Box minH="100vh" bg={forumColors.background.main} pt={{ base: "60px", md: "80px" }} pb={{ base: "6", md: "20" }}>
+    <Box minH="100vh" bg={forumColors.background.main} pt={LAYOUT_SIZE.navbarHeight} pb={{ base: "6", md: "20" }}>
       <Container maxW="container.xl" px={{ base: "3", sm: "4", md: "6" }}>
         {/* 头部：返回按钮 */}
         <Button