成果展示滚动条问题

src/views/resultShow/resultShowDetail.vue

@@ -547,9 +547,10 @@
                 console.log()
                 let scrollTop = e.target.scrollTop;
                 if(scrollTop>=200){
-                    // document.querySelector(".core_dialogue").querySelector('.el-header').style.display='display:fi'
+                    document.querySelector(".core_dialogue").querySelector('.el-header').style='position:fixed;z-index:10;width:100%'
                     Nav.style = `width:100%;padding:0 20%;box-sizing: border-box;border-radius:0;display:flex;justify-content: space-around;position: fixed;top:calc(70px - 20px);z-index:99;align-items: center;box-shadow: 0 0 5px gray;`
                 }else if(scrollTop<=100){
+                    document.querySelector(".core_dialogue").querySelector('.el-header').style.position=''
                     Nav.style = ``
                 }
             });