#topomap{
    width: 1440px;
    height: 1440px;
    background-color: rgb(237, 245, 238);
}
svg {
	cursor: move;
	position: relative
}

svg text {
	font-family: fantasy;
	font-size: 12px;
	color: #ffffe0;
}

svg .node {
	cursor: pointer
}

svg .node .ring {
	stroke-width: 4px;
	stroke: #6ac6ff;
	/* opacity: .2;外圈的阴影，我设置为透明看不见 */
	opacity: 0;
	transition: opacity .6s
}

svg .node:active .ring,
svg .node:hover .ring {
	opacity: .1
}

svg .link {
	fill: none;
	stroke: #6ac6ff;
	opacity: .8;
	stroke-width: 2
}

svg text.desc {
	fill: #000;
	font-family: fantasy;
	font-size: 10px;
	font-weight: bolder
}


#title {
    margin: 0 auto;
    text-align: center;
    padding: 43px;
    font-size: 33px;
	font-weight: bold;
	color: #30B5C7;
}