小白向，默认主题 css 代码片段自定义样式

.b3-list-item__icon {
 display: none ;
}

span.b3-list-item__graphic {
	display: none;
}

/*隐藏大纲块标记*/
.sy__outline .b3-list-item__graphic {
    display: none;
}

.protyle-scroll {
display: none;
}

.protyle-wysiwyg [data-node-id].hr>div:after {
     height: 2px;
 }

/* 动态锚文本 */
.protyle-wysiwyg [data-node-id] span[data-type="block-ref"][data-subtype="d"]::before {
    color: var(--b3-theme-on-surface)!important;
    content: "["!important;
}

.protyle-wysiwyg [data-node-id] span[data-type="block-ref"][data-subtype="d"]::after {
    color: var(--b3-theme-on-surface)!important;
    content: "]"!important;
}

/* 静态锚文本 */
.protyle-wysiwyg [data-node-id] span[data-type="block-ref"][data-subtype="s"]{
	border-bottom: 0.5px solid var(--b3-protyle-inline-blockref-color);
}

.b3-typography img, .protyle-wysiwyg img {
	box-shadow: 0 0 3px gray;
}

.protyle-attr--refcount {
	background-color:#E6E6FA !important;
	font-weight: bold; 
}