/* 父级链接右侧箭头（桌面端） */
.menu li.hf-has-children > a.hf-parent-link{
  position: relative;
  padding-right: 1.4em;
}
.menu li.hf-has-children > a.hf-parent-link::after{
  content:"";
  position:absolute;
  right:.2em; top:50%;
  width:.55em; height:.55em;
  margin-top:-.35em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);            /* 向下 */
  transition: transform .2s ease;
}

/* 切换按钮（移动端使用，桌面隐藏） */
.hf-toggle{
  display:none;
  width:2rem; height:2rem;
  margin-left:.25rem;
  background:none; border:0;
  cursor:pointer; position:relative;
}

/* 下拉层（桌面外观：浅色面板） */
.menu li{ position:relative; }
.hf-submenu{
  position:absolute;
  left:0; top:calc(100% + 14px);
  z-index:99;
  min-width:520px; max-width:900px;
  padding:10px;
  border-radius:10px;
  background: #FFFFFF !important;
  border:1px solid rgba(18,18,18,.08);
  box-shadow: rgba(0,0,0,.05);
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition: all .18s ease;
  display:grid;
  grid-template-columns: repeat(1, minmax(160px,1fr));
  gap: 6px 18px;
}
.hf-submenu li a{
  display:block;
  padding:8px 10px;
  border-radius:8px;
  line-height:1.2;
  white-space:nowrap;
}
.hf-submenu li a:hover{ background: #fff; }

/* 自动列数 */
.hf-submenu.hf-cols-2{ grid-template-columns:repeat(2, minmax(160px,1fr)); }
.hf-submenu.hf-cols-3{ grid-template-columns:repeat(3, minmax(160px,1fr)); }
.hf-submenu.hf-cols-4{ grid-template-columns:repeat(4, minmax(160px,1fr)); }

/* 桌面：hover 展开 + 箭头朝上 */
.menu > li.hf-has-children:hover > .hf-submenu{
  opacity:1; visibility:visible; transform:translateY(0);
}
.menu > li.hf-has-children:hover > a.hf-parent-link::after{
  transform: rotate(-135deg);
}

/* ======= 面板分组（二级+三级） ======= */
.hf-group { list-style: none; }

.hf-group-title{
  display:block;
  font-weight:600;
  padding:8px 10px;
  border-radius:8px;
  line-height:1.25;
  margin-bottom:6px;
}

/* 如果二级很多，列间距稍微拉开一点 */
.hf-submenu{ gap: 8px 20px; }

/* 让二级分组块纵向堆叠，别被主题的 flex 横排 */
.hf-submenu > li.hf-group{
  display:block !important;          /* 覆盖主题可能的 display:flex */
  align-items:initial !important;
  justify-content:initial !important;
}

/* 分组标题单独一行 */
.hf-submenu > li.hf-group > .hf-group-title{
  display:block !important;
  width:100%;
}

/* 三级列表放在标题“下面”，并缩进一些 */
.hf-submenu > li.hf-group > .hf-group-list{
  display:block !important;
  margin-top:6px;
  padding-left:14px;                 /* 缩进 */
  border-left:1px solid rgba(0,0,0,.06);
}

/* 三级每一项纵向排布，允许换行，视觉上更紧凑 */
.hf-group-list li{
  display:block;
}
.hf-group-list li + li{ margin-top:2px; }
.hf-group-list li a{
  display:block;
  padding:6px 10px;
  border-radius:8px;
  line-height:1.2;
}

/* ============ 移动端（≤1024px） ============ */
@media (max-width: 1024px){
  nav.mobile-menu .hf-submenu{
    position: static;
    min-width: 0; max-width: none;
    box-shadow: none; border: 0; border-radius: 0;
    padding: 6px 0 6px 12px;
    background: transparent;
    display: none;

    /* 关键：把桌面端的隐藏状态复位 */
    opacity: 1;             /* ← 新增 */
    visibility: visible;    /* ← 新增 */
    transform: none;        /* ← 新增 */
  }

  /* 展开时显示（必要时加 !important 抢过主题规则） */
  nav.mobile-menu li.is-open > .hf-submenu{
    display: block !important;
    max-height: none;       /* 保险，防止主题用 max-height 折叠 */
    overflow: visible;
  }

  /* 下面保持不变：按钮与缩进风格 */
  nav.mobile-menu ul > li{ position:relative; }
  nav.mobile-menu .hf-toggle{
    display:block; position:static;width:2rem; height:2rem;
    background:none; border:0; cursor:pointer; z-index:2;
    grid-column: 2;justify-self: end;
  }
  nav.mobile-menu .hf-toggle::before{
    content:""; display:block; width:.55em; height:.55em; margin:0 auto;
    border-right:2px solid currentColor; border-bottom:2px solid currentColor;
    transform: rotate(45deg); transition: transform .2s ease;
  }
  nav.mobile-menu li.is-open > .hf-toggle::before{ transform: rotate(-135deg); }

  nav.mobile-menu > ul > li.hf-has-children{
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    column-gap: .5rem;
  }
  nav.mobile-menu > ul > li.hf-has-children > a.hf-parent-link{
    display: block;
    grid-column: 1;
  }
  nav.mobile-menu > ul > li.hf-has-children > a.hf-parent-link::after{ display:none; }

  nav.mobile-menu .hf-group{ display:block; }
  nav.mobile-menu .hf-group-title{ display:block; font-weight:600; padding:8px 10px; border-radius:8px; line-height:1.25; margin-bottom:6px; }
  nav.mobile-menu .hf-group-list{ margin:0; padding-left:14px; border-left:1px solid rgba(0,0,0,.06); }
  nav.mobile-menu .hf-group-list li{ display:block; }
  nav.mobile-menu .hf-group-list li + li{ margin-top:2px; }
  nav.mobile-menu .hf-group-list li a{ display:block; font-weight:600; padding:6px 10px; border-radius:8px; line-height:1.2; }
  nav.mobile-menu[data-submenu-dots] [class*="children"] > ul{
    --has-indentation: 0 !important;
    padding-left: 0 !important;
  }
  nav.mobile-menu[data-submenu-dots] [class*="children"] > ul::before,
  nav.mobile-menu[data-submenu-dots] [class*="children"] > ul::after{
    content:none !important;
    display:none !important;
  }
}