/* 语言切换：PC 顶栏 + 移动端侧边栏底部 */

.nav-lang {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  margin-left: 4px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.nav-lang-link {
  padding: 6px 2px;
  border: 0;
  background: transparent;
  color: #8b939f;
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: color 160ms ease;
}

.nav-lang-link:hover {
  color: #242b3b;
}

.nav-lang-link.is-active {
  color: #242b3b;
  font-weight: 600;
  cursor: default;
}

.nav-lang-sep {
  margin: 0 6px;
  color: #c5cad3;
  user-select: none;
  pointer-events: none;
}

/* 移动端侧边栏底部（参考截图：左下角纯文字 + 竖线分隔） */
.nav-lang--drawer {
  display: none;
  margin-left: 0;
  font-size: 13px;
}

.nav-lang--drawer .nav-lang-link {
  padding: 4px 0;
  font-size: 13px;
}

.nav-lang--drawer .nav-lang-sep {
  margin: 0 10px;
  color: #b8bec8;
}

@media (max-width: 920px) {
  .nav > .nav-lang:not(.nav-lang--drawer) {
    display: none;
  }

  .nav-lang--drawer {
    display: inline-flex;
  }
}