a{text-decoration:none}
html,body{height:100%}
body{background-color:#000;margin:0;font-family:Helvetica,sans-serif;overflow:hidden}
a{color:#fff}

#info{
	position:absolute;
	width:100%;
	color:#fff;
	padding:5px;
	font-family:Monospace;
	font-size:13px;
	font-weight:bold;
	text-align:center;
	z-index:1
}

#menu{
	position:absolute;
	bottom:50px;
	width:100%;
	text-align:center;
	font-family:verdana,Tahoma,Arial,Hei,"Microsoft Yahei",SimHei;
	z-index:2
}

.element{
	width:120px;
	height:160px;
	box-shadow:0 0 12px rgba(0,255,255,0.5);
	border:1px solid rgba(127,255,255,0.25);
	text-align:center;
	cursor:default
}

.element:hover{
	box-shadow:0 0 12px rgba(0,255,255,255,0.75);
	border:1px solid rgba(127,255,255,0.75)
}

.element .number{
	position:absolute;
	top:20px;
	right:20px;
	font-size:12px;
	color:rgba(127,255,255,0.75)
}

.element .symbol{
	position:absolute;
	top:40px;
	left:0;
	right:0;
	font-size:60px;
	font-weight:bold;
	color:rgba(255,255,255,0.75);
	text-shadow:0 0 10px rgba(0,255,255,0.95)
}

.element .details{
	position:absolute;
	bottom:15px;
	left:0;
	right:0;
	font-size:12px;
	color:rgba(127,255,255,0.75)
}

button{
	color:rgba(127,255,255,0.75);
	background:transparent;
	outline:1px solid rgba(127,255,255,0.75);
	border:0;
	padding:5px 10px;
	cursor:pointer
}

button:hover{
	background-color:rgba(0,255,255,0.5)
}

button:active{
	color:#000;
	background-color:rgba(0,255,255,0.75)
}
.element .details .cn{
	margin-top:2px;
	font-size:12px;
	line-height:1.2;
	color:rgba(127,255,255,0.75);
}

/* ===== 备案信息（桌面端显示 + 背景透明 + 老浏览器兼容） ===== */

.beian{
	position:fixed;
	bottom:0;
	left:0;
	width:100%;
	text-align:center;
	font-size:10px;
	color:rgba(127,255,255,0.5);
	z-index:1;
	padding:3px 0;
	background:transparent;
	background-color:transparent;
	backdrop-filter:none;
	-webkit-backdrop-filter:none
}

.beian a{
	color:rgba(127,255,255,0.5);
	text-decoration:none
}

.beian a:hover{
	color:rgba(0,255,255,0.75);
	text-decoration:underline
}

/* 移动端隐藏备案 */
@media (max-width:768px){
	.beian{
		display:none
	}
}