是，支持此操作。它们被称为面板、分区和控件。

添加面板时使用以下代码：

$wp_customize->add_panel( $panel_name, array(
   \'title\'                      => \'panel_title\',
   \'description\'                => \'panel_description\',
   \'priority\'                   => \'priority\',
   \'capability\'                 => \'edit_theme_options\',
   \'theme_supports\'             => \'\'
    ));

$wp_customize->add_section($section_name , array(
    \'panel\'                     =>  \'panel_name\',
    \'title\'                     =>  \'section_title\',
    \'description\'               =>  \'section_description\',
    \'priority\'                  =>  \'priority\',
    \'capability\'                =>  \'edit_theme_options\',
    ));