/* V71 — 左侧导航标题层级优化 */

/* “长征历程”：作为栏目眉题，适度放大并增强可读性 */
.route-overview__eyebrow {
  font-size: 12px !important;
  line-height: 1.25 !important;
  letter-spacing: .08em !important;
}

/* “路线 01 / 03”：作为路线编号信息，比眉题略醒目但保持克制 */
#overview-kicker {
  font-size: 12px !important;
  line-height: 1.25 !important;
  letter-spacing: .055em !important;
}