/* ===== comm 原 style 块 1 ===== */
/* ===== 移动端头部 / 抽屉菜单修正（全局生效，勿删） ===== */
@media (max-width:768px){
  /* 顶部信息条（服务热线 / 邮箱 / 中EN）在手机上不显示，避免折行挤占 */
  .top-bar{display:none!important}
}
@media (max-width:992px){
  /* 抽屉内二级菜单：强制可见 + 浅灰块，防止出现“空白方块” */
  .nav .dropdown{position:static!important;display:none;opacity:1!important;visibility:visible!important;transform:none!important;
    box-shadow:none!important;border:0!important;border-radius:10px!important;min-width:0!important;width:100%!important;
    background:#F4F7FC!important;margin:2px 0 12px!important;padding:6px 0!important;transition:none!important;left:auto!important;top:auto!important}
  .nav .nav-item.open>.dropdown{display:block!important}
  .nav .dropdown a{display:block!important;height:auto!important;min-height:42px;line-height:22px!important;
    padding:10px 16px!important;font-size:14px!important;color:var(--text)!important;background:transparent!important;opacity:1!important}
  .nav .dropdown a:active,.nav .dropdown a:hover{background:#E6EEFA!important;color:var(--primary)!important;padding-left:16px!important}
  .nav .dropdown a::before{display:none!important}
  .nav .dropdown-group-title{padding:8px 16px 4px!important;border-bottom:0!important;font-size:12px!important}
  .nav .nav-link svg{transition:transform .3s}
  .nav .nav-item.open>.nav-link svg{transform:rotate(180deg)}
  /* 抽屉菜单里不要那条蓝色下划线（.active 和手指点过的 hover 残留都会画） */
  .nav .nav-link::after{display:none!important}
  /* 菜单过长时抽屉内部可滚动，语言切换才会落到底部 */
  .nav.open{overflow-y:auto!important}
  /* 抽屉底部语言切换 */
  .nav .nav-lang{display:flex;align-items:center;gap:8px;flex-wrap:wrap;width:100%;
    margin-top:auto;padding:20px 16px 8px;border-top:1px solid var(--border)}
  .nav .nav-lang-label{width:100%;font-size:12px;color:var(--text-light);letter-spacing:.5px;margin-bottom:2px}
  .nav .nav-lang a{padding:6px 18px;border-radius:6px;font-size:14px;font-weight:500;
    color:var(--text-light);background:#F4F7FC;transition:all .2s}
  .nav .nav-lang a.active{background:var(--primary);color:#fff}
}
/* 语言切换只在手机抽屉里出现 */
.nav-lang{display:none}