/* 加宽文章内容区域 */
.single .entry-content,
.page .entry-content {
    max-width: 1200px !important; /* 或者你想要的宽度 */
    width: 90% !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

/* 如果主题使用其他容器类 */
.single .wp-block-post-content,
.page .wp-block-post-content,
.single .post-content,
.page .post-content {
    max-width: 1200px !important;
    width: 90% !important;
    margin: 0 auto !important;
}