<div class="page icon-page">
  <Header theme="light" />
  <div class="section filter-section">筛选格子</div>
  <div class="container-core main-container">
    <div class="icon-category-container">
      <div
        :class="['icon-category-item', index === 0 ? 'active' : '']"
        v-for="item, index in category"
        :key="item.name"
        @click="toggleCategory(index, $event)"
      >
        {{ item.text }}
      </div>
      <div class="to-top" @click="toTop">
        <IconApron name="narrow-