feat: 优化bbs前端样式

Yi.Bbs.Vue3/src/views/bank/Index.vue

@@ -0,0 +1,31 @@
+<template>
+<div class="bank-body">
+    <h2>小心谨慎选择银行机构，确保资金安全</h2>
+    <div>
+<ExchangeRate/>
+    </div>
+    <el-divider />
+    <div>
+        <el-row :gutter="20">
+            <el-col :span=8 v-for="i in 10">
+                <BankCard ></BankCard>
+            </el-col>
+            </el-row>
+      
+    </div>
+</div>
+</template>
+<script setup>
+import BankCard from "./components/BankCard.vue"
+import ExchangeRate from "./components/ExchangeRate.vue"
+</script>
+<style scoped lang="scss">
+.bank-body
+{
+    padding: 10px;
+}
+h2{
+text-align: center;
+
+}
+</style>