x
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<style>
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summary {
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display: block;
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}
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summary::details-marker {
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display: none;
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}
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summary::before {
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content: '\25B6';
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padding-right: 0.5em;
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color: grey;
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}
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details[open] > summary::before {
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content: '\25BC';
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color: grey;
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}
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</style>
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<details>
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<summary>一些细节</summary>
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<p>更多关于细节的信息。</p>
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</details>
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