The old blockquote style have an ugly right margin, and now be fixed with newly updated css setting.

font.css

/* 引用區塊字體變換 */

.container > .main > .entry > blockquote > p { /* 引用區塊內段落 */
  font-weight: 400;
  font-size: 0.95em;
  color: inherit;
}

style.css

blockquote { /* 引用區塊 */
  border-color: {{accent_color}} !important;
  border-left: 0.3em solid;
  color: inherit;
  margin: 0;
  padding-left: 1.4em;
  padding-right: 1.0em;
  padding-top: 0.2em;
  padding-bottom: 0.2em;
  opacity: 1.0;
  background-color: {{accent_color}}11 !important;
  box-shadow: 2px 2px 2px 1px rgba(220, 220, 220, .2);
}

Not sure what is the below style setting for, hided from now and keep monitoring is any missing in other pages.

style.css

/* 查詢下面好像不具有意義，思考是否要刪除 */
/*
.margin blockquote {margin: 1em 0 !important;padding: 3px 6px;line-height:18px;}
.margin blockquote p {margin: 0}
*/