/* 景闳数字 · 子页顶栏「返回首页」（2026-10-27 二次重设计）
   按老师要求：顶栏主角是右侧标题，返回入口只留一枚小圆箭头，不再带文字。
   选择器写成 html body .jh-back.jh-back（0,2,2），压过各页 .back-btn 系列老规则。 */
html body .jh-back.jh-back{
  display:inline-flex !important;
  align-items:center !important;
  justify-content:center !important;
  font-size:0 !important;            /* 隐藏「返回首页」文字，只留箭头 */
  letter-spacing:0 !important;
  color:#2f4159 !important;
  background:rgba(47,65,89,.07) !important;
  background-image:none !important;
  border:0 none !important;
  border-radius:50% !important;
  box-shadow:none !important;
  outline:none !important;
  width:30px !important;
  height:30px !important;
  min-height:0 !important;
  padding:0 0 2px !important;
  margin:0 !important;
  cursor:pointer;
  white-space:nowrap !important;
  flex:0 0 auto !important;
  text-decoration:none !important;
  font-family:inherit !important;
  -webkit-tap-highlight-color:transparent;
  vertical-align:middle;
  overflow:hidden;
}
html body .jh-back.jh-back::before{
  content:'\2039';
  font-size:19px;
  font-weight:700;
  line-height:1;
  color:#2f4159;
  margin:0;
  font-family:'PingFang SC','Microsoft YaHei',system-ui,sans-serif;
}
html body .jh-back.jh-back::after{content:none !important;display:none !important;}
html body .jh-back.jh-back:active{background:rgba(47,65,89,.16) !important;}
/* 深色顶栏（名人数据库）上用浅色圆 */
html body .jh-back.jh-back.is-dark{background:rgba(255,255,255,.14) !important;color:#f3ece0 !important;}
html body .jh-back.jh-back.is-dark::before{color:#f3ece0;}
html body .jh-back.jh-back.is-dark:active{background:rgba(255,255,255,.26) !important;color:#d8b877 !important;}