Chore: remove promotional copy and home-training wording

client/src/pages/Dashboard.tsx

@@ -67,7 +67,7 @@ export default function Dashboard() {
         <div className="flex gap-2">
           <Button data-testid="dashboard-training-button" onClick={() => setLocation("/training")} className="gap-2">
             <Target className="h-4 w-4" />
-            开始训练
+            训练计划
           </Button>
           <Button variant="outline" onClick={() => setLocation("/analysis")} className="gap-2">
             <Video className="h-4 w-4" />
@@ -220,7 +220,7 @@ export default function Dashboard() {
               <div className="h-[200px] flex items-center justify-center text-muted-foreground text-sm">
                 <div className="text-center">
                   <Video className="h-8 w-8 mx-auto mb-2 opacity-30" />
-                  <p>上传训练视频开始AI分析</p>
+                  <p>上传训练视频后可查看分析结果</p>
                 </div>
               </div>
             )}
@@ -231,7 +231,7 @@ export default function Dashboard() {
       {/* Quick actions */}
       <Card className="border-0 shadow-sm">
         <CardHeader className="pb-2">
-          <CardTitle className="text-base font-semibold">快速开始</CardTitle>
+          <CardTitle className="text-base font-semibold">常用入口</CardTitle>
         </CardHeader>
         <CardContent>
           <div className="grid grid-cols-1 sm:grid-cols-3 gap-3">
@@ -244,7 +244,7 @@ export default function Dashboard() {
               </div>
               <div>
                 <p className="font-medium text-sm">生成训练计划</p>
-                <p className="text-xs text-muted-foreground">AI定制个人训练方案</p>
+                <p className="text-xs text-muted-foreground">按当前设置生成训练安排</p>
               </div>
             </button>
             <button
@@ -256,7 +256,7 @@ export default function Dashboard() {
               </div>
               <div>
                 <p className="font-medium text-sm">上传视频分析</p>
-                <p className="text-xs text-muted-foreground">MediaPipe AI姿势识别</p>
+                <p className="text-xs text-muted-foreground">导入视频并查看姿势分析</p>
               </div>
             </button>
             <button
@@ -268,7 +268,7 @@ export default function Dashboard() {
               </div>
               <div>
                 <p className="font-medium text-sm">查看NTRP评分</p>
-                <p className="text-xs text-muted-foreground">多维度能力评估</p>
+                <p className="text-xs text-muted-foreground">查看评分记录和维度结果</p>
               </div>
             </button>
           </div>