exam_mp/components/CustomerService/CustomerService.vue

<script setup></script>
<template>
  <button open-type="contact" session-from class="contact">
    <slot>联系客服</slot>
  </button>
</template>

<style lang="scss" scoped>
@import "@/uni.scss";

.contact {
  color: $uni-primary;
  font-size: 28rpx;
  background: transparent;
  padding: 0;
  margin: 0;
  &::after {
    border: 0; // 或者 border: none;
  }
}
</style>