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  <info>
    <link type="guide" xref="prefs-display"/>

    <revision pkgversion="3.38.1" date="2020-11-04" status="review"/>
    <revision version="gnome:42" status="final" date="2022-03-02"/>
    <revision version="gnome:49" status="final" date="2025-08-23"/>

    <credit type="author">
      <name>GNOME 文档项目</name>
      <email>gnome-doc-list@gnome.org</email>
    </credit>
    <credit type="author">
      <name>April Gonzales</name>
      <email>loonycookie@gmail.com</email>
    </credit>
    <credit type="author">
      <name>Natalia Ruz Leiva</name>
      <email>nruz@alumnos.inf.utfsm.cl </email>
    </credit>
    <credit type="author">
      <name>Shaun McCance</name>
      <email>shaunm@gnome.org</email>
    </credit>
    <credit type="author">
      <name>Andre Klapper</name>
      <email>ak-47@gmx.net</email>
    </credit>
    <credit type="editor">
      <name>Michael Hill</name>
      <email>mdhillca@gmail.com</email>
    </credit>
    <credit type="editor">
      <name>Shobha Tyagi</name>
      <email>tyagishobha@gmail.com</email>
    </credit>
    <credit type="editor">
      <name>Ekaterina Gerasimova</name>
      <email>kittykat3756@gmail.com</email>
    </credit>
    <credit type="editor">
      <name>Ivan Stanton</name>
      <email>northivanastan@gmail.com</email>
    </credit>

    <include xmlns="http://www.w3.org/2001/XInclude" href="legal.xml"/>

    <desc>选择样式并设置背景。</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>TeliuTe</mal:name>
      <mal:email>teliute@163.com</mal:email>
      <mal:years>2011, 2012</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>tuberry</mal:name>
      <mal:email>orzun@foxmail.com</mal:email>
      <mal:years>2021</mal:years>
    </mal:credit>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>Victor_Trista</mal:name>
      <mal:email>ljlzjzm@hotmail.com</mal:email>
      <mal:years>2023</mal:years>
    </mal:credit>
  </info>

  <title>更改桌面的外观</title>
  
  <p>您可以通过将样式首选项设置为亮色或暗色来更改屏幕上显示内容的外观。您可以选择图像或墙纸作为桌面背景。</p>
  
<section id="style">
  <title>亮色或暗色样式</title>
  <p>要在亮色和暗色桌面样式之间切换：</p>
  
  <steps>
    <item>
      <p>打开 <gui xref="shell-introduction#activities">活动</gui> 概览后输入 <gui>外观</gui>。</p>
    </item>
    <item>
      <p>点击 <gui>外观</gui> 打开面板。当前选用的样式显示在顶部，周围环绕着蓝色边框。</p>
    </item>
    <item>
      <p>Click to choose <gui>Default</gui> or <gui>Dark</gui>.</p>
    </item>
    <item>
      <p>设置立即生效。</p>
    </item>
  </steps>
  
</section>

<section id="background">
  <title>背景</title>
  <p>要改变用于背景的图像：</p>

  <steps>
    <item>
      <p>打开 <gui xref="shell-introduction#activities">活动</gui> 概览后输入 <gui>外观</gui>。</p>
    </item>
    <item>
      <p>点击<gui>外观</gui>打开面板。当前选用的壁纸显示在当前样式预览的顶部。</p>
    </item>
    <item>
      <p>有两种方法可以改变背景用的图像：</p>
      <list>
        <item>
          <p>点击一张系统自带的背景图片。</p>
        <note style="info">
          <p>Most wallpapers have light and dark versions, shown as thumbnails
          split in half.</p>
        </note>
        </item>
        <item>
          <p>点击<gui>添加图片…</gui>来使用自定义图片。默认情况下，将打开<file>图片</file>文件夹，因为大多数照片管理应用程序都将照片存储在这里。</p>
        </item>
      </list>
    </item>
    <item>
      <p>设置立即生效。</p>
        <note style="tip">
          <p>For another way to set one of your own photos as the background,
          right-click on the image file in <app>Files</app> and select <gui>Set
          as Background…</gui>, or open the image file in <app>Image Viewer</app>,
          click the menu button in the titlebar and select <gui>Set as
          Background…</gui>.</p>
        </note>
    </item>
    <item>
      <p><link xref="shell-workspaces-switch">切换到一个空的工作区</link>查看整个桌面。</p>
    </item>
  </steps>
  
  </section>

</page>
