/* G3｜当前章联络：正文阶段只给当前章保留点到章名的细联络线。
   其余章节仍是 E10 点轨，不展示已读历史或完整目录。 */

@media (min-width: 1001px) {
  .rail[data-stage="prose"] .rail-toc a {
    padding-left: 54px;
  }

  .rail[data-stage="prose"] .rail-toc a::after {
    content: "";
    position: absolute;
    left: 12px;
    top: 50%;
    width: 34px;
    height: 1px;
    background: var(--line);
    opacity: 0;
    transform: translateY(-50%) scaleX(0);
    transform-origin: left center;
    transition: opacity .2s ease, transform .24s ease;
  }

  .rail[data-stage="prose"] .rail-toc a[aria-current]::after {
    opacity: 1;
    transform: translateY(-50%) scaleX(1);
    background: var(--muted);
  }

  .rail[data-stage="prose"] .rail-toc a:hover::after,
  .rail[data-stage="prose"] .rail-toc a:focus-visible::after {
    opacity: .58;
    transform: translateY(-50%) scaleX(1);
  }
}