.sanjiao{border-bottom:20px solid transparent;border-right:20px solid transparent;border-top:20px solid var(--sanjiao);border-radius:5px;width:0;height:0;margin-top:-14px;display:none;position:absolute;top:50%;right:-20px;transform:rotate(315deg)}.sanjiaos{border-bottom:20px solid transparent;border-right:20px solid transparent;border-top:20px solid var(--sanjiao);border-radius:5px;width:0;height:0;margin-top:-14px;display:block;position:absolute;top:50%;right:-20px;transform:rotate(315deg)}.sanjiaoc{border-bottom:20px solid transparent;border-right:20px solid transparent;border-top:20px solid var(--sanjiao);border-radius:5px;width:0;height:0;margin-top:-14px;display:block;position:absolute;top:50%;right:-17px;transform:rotate(315deg)}.menulang{text-overflow:ellipsis;opacity:.8;width:100%;overflow:hidden}