/* 首页卡片固定 2×2 */
@media screen and (min-width: 60em) {
  .md-typeset .grid.cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.md-typeset .grid.cards > .card > h3 { margin-top: 0; }
/* 文件行：把「级别」小标题和文件列表贴紧一点 */
.md-typeset details.note > summary > small { opacity: .6; font-size: .6rem; }
.md-typeset .admonition.note > p.admonition-title > small { opacity: .6; font-size: .6rem; }