body {
	margin: 5%;
	line-height: 2em;
	font-size: x-large;
	font-family: 宋体
} p {
	text-indent: 2em;
	text-align: justify
} figure, h1, h3, c, .c {
	text-align: center
} nav {
	justify-content: space-between;
	font-size: 150%;
	display: flex
} a {
	text-decoration: none
} c {
	display: block;
	margin: 1em;
	text-indent: 0;
	font-family: TW-Kai
} ol.t {
	display: grid;
	row-gap: 1em;
	grid-template-columns:repeat(9,1fr)
} figure {
	margin: 1em
} y {
	display: inline-block;
	line-height: 1;
	text-align: center;
	text-indent: 0
} y:before {
	content: attr(n);
	display: block;
	font-family: sans;
	font-size: 70%;
	color: blue
} o {
	background: #dfffbf;
	cursor: help
} e {
	text-indent: 0;
	position: absolute;
	max-width: 980px;
	background: #fff;
	font-size: large;
	line-height: 1.5em;
	padding: 9px;
	border: 1px solid rgba(0,0,0,0.1);
	border-radius: 3px;
	box-shadow: 0 15px 45px -15px rgba(0,0,0,0.3);
	display: none;
	z-index: 9 }
o:hover+e {
	display: initial
}