feat(实时信息页): 更新ETF页面banner标题图片并移除副标题

- 将banner_title2.png替换为banner_title3.png
- 移除"挖掘投资核心价值，提供决策先手信息"文本
- 调整banner标题图片尺寸

src/pages/realtimeInfo/indexEtf.vue

@@ -8,7 +8,6 @@
       <img :src="bannerImg" class="banner_bk" />
       <view class="r_banner_title">
         <img :src="bannerTitle2" class="banner_title" />
-        <text>挖掘投资核心价值，提供决策先手信息</text>
       </view>
     </view>
     <!-- banner end -->
@@ -86,7 +85,7 @@ import { ref, onMounted, onUnmounted, reactive } from "vue";
 import Line from "@/components/charts/Line.vue";
 import bannerImg from "@/assets/zixun/banner_pic1.png";
 import bannerTitle from "@/assets/zixun/banner_title.png";
-import bannerTitle2 from "@/assets/zixun/banner_title2.png";
+import bannerTitle2 from "@/assets/zixun/banner_title3.png";
 import icon_search from "@/assets/zixun/icon_search.png";
 import time_icon from "@/assets/zixun/time_icon.png";
 import LoginPopup from "@/components/loginPopup/index.vue";
@@ -210,8 +209,8 @@ onMounted(async () => {
   flex-direction: column;
 
   .banner_title {
-    width: 364rpx;
-    height: 134rpx;
+    width: 461rpx;
+    height: 110rpx;
   }
 
   text {