在CSS中，可以使用grid布局來拆分單元格。grid布局是一種非常強(qiáng)大的布局方式，可以輕松地創(chuàng)建復(fù)雜的網(wǎng)格結(jié)構(gòu)，并且可以通過簡單的CSS樣式來定制單元格的外觀和布局。

下面是一個使用grid布局拆分單元格的基本示例：

<div class="grid-container">
  <div class="grid-item">1</div>
  <div class="grid-item">2</div>
  <div class="grid-item">3</div>
  <div class="grid-item">4</div>
  <div class="grid-item">5</div>
  <div class="grid-item">6</div>
  <div class="grid-item">7</div>
  <div class="grid-item">8</div>
  <div class="grid-item">9</div>
  <div class="grid-item">10</div>
  <div class="grid-item">11</div>
  <div class="grid-item">12</div>
  <div class="grid-item">13</div>
  <div class="grid-item">14</div>
  <div class="grid-item">15</div>
  <div class="grid-item">16</div>
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  <div class="grid-item">18</div>
  <div class="grid-item">19</div>
  <div class="grid-item">20</div>
  <div class="grid-item">21</div>
  <div class="grid-item">22</div>
  <div class="grid-item">23</div>
  <div class="grid-item">24</div>
  <div class="grid-item">25</div>
  <div class="grid-item">26</div>
  <div class="grid-item">27</div>
  <div class="grid-item">28</div>
  <div class="grid-item">29</div>
  <div class="grid-item">30</div>
  <div class="grid-item">31</div>
  <div class="grid-item">32</div>
  <div class="grid-item">33</div>
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  <div class="grid-item">42</div>
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  <div class="grid-item">44</div>
  <div class="grid-item">45</div>
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  <div class="grid-item">55</div>
  <div class="grid-item">56</div>
  <div class="grid-item">57</div>
  <div class="grid-item">58</div>
  <div class="grid-item">59</div>
  <div class="grid-item">60</div>
  <div class="grid-item">61</div>
  <div class="grid-item">62</div>
  <div class="grid-item">63</div>
  <div class="grid-item">64</div>
  <