/* ========== 顶部标签栏（首页、开始使用、功能介绍、API、更多）样式 ========== */
.md-tabs__link {
  font-weight: 600;
}

/* 日间/夜间模式统一：白色文字 */
[data-md-color-scheme="default"] .md-tabs__link,
[data-md-color-scheme="slate"] .md-tabs__link {
  color: #fff !important;
}

[data-md-color-scheme="default"] .md-tabs__link:hover,
[data-md-color-scheme="slate"] .md-tabs__link:hover {
  color: #fff !important;
  opacity: 0.9;
}

[data-md-color-scheme="default"] .md-tabs__item--active .md-tabs__link,
[data-md-color-scheme="slate"] .md-tabs__item--active .md-tabs__link {
  color: #fff !important;
  border-bottom: 2px solid #fff;
}

/* ========== 侧边栏中不可点击的章节标题（仅展开/折叠，不跳转页面）样式 ========== */
.md-nav__item--nested > .md-nav__link,
.md-nav__item--nested > .md-nav__link:hover,
.md-nav__item--nested > .md-nav__link:focus,
.md-nav__item--nested > .md-nav__link:focus-within {
  font-weight: 600 !important;
  cursor: default !important;
}

/* 日间/夜间模式统一：侧边栏章节标题 - 柔和靛蓝，日夜间均舒适 */
[data-md-color-scheme="default"] .md-nav__item--nested > .md-nav__link,
[data-md-color-scheme="default"] .md-nav__item--nested > .md-nav__link:hover,
[data-md-color-scheme="default"] .md-nav__item--nested > .md-nav__link:focus,
[data-md-color-scheme="default"] .md-nav__item--nested > .md-nav__link:focus-within,
[data-md-color-scheme="default"] .md-nav__item--nested[open] > .md-nav__link,
[data-md-color-scheme="slate"] .md-nav__item--nested > .md-nav__link,
[data-md-color-scheme="slate"] .md-nav__item--nested > .md-nav__link:hover,
[data-md-color-scheme="slate"] .md-nav__item--nested > .md-nav__link:focus,
[data-md-color-scheme="slate"] .md-nav__item--nested > .md-nav__link:focus-within,
[data-md-color-scheme="slate"] .md-nav__item--nested[open] > .md-nav__link {
  color: #7c7fd4 !important;
  background-color: rgba(124, 127, 212, 0.12) !important;
  border-left: 3px solid #7c7fd4 !important;
  padding-left: 0.4rem !important;
  margin-left: 0.2rem !important;
  border-radius: 0 4px 4px 0 !important;
}