style 优化

src/pages/account/checkPhone.vue

@@ -10,7 +10,7 @@
           <countdown slot="suffix" size="mini" @start="handlePhoneCode" ref="countdown"></countdown>
         </el-input>
       </el-form-item>
-      <div style="margin-bottom: 20px">
+      <div style="margin-bottom: 10px; margin-top: 40px; text-align: right">
         <span>如手机无法收到验证码，请选择</span>
         <el-button @click="handleEmailCode">注册邮箱接收验证码</el-button>
       </div>