* {
    margin: 0;
    padding: 0;
    font-size: 14px;
}

html,
body {
    width: 100%;
    background-color: white;
    font-family: "Microsoft Yahei";
}

a {
    text-decoration: none;
    color: #484848;
}

.flex-row {
    display: flex;
    flex-direction: row;
}

.flex-column {
    display: flex;
    flex-direction: column;
}

.flex-center {
    justify-content: center;
    align-items: center;
}

 #head{
 	width: 100%;
    height: 50px;
    display: flex ;
    justify-content: center;
    position: fixed;
    left: 0px;
    top: 0px;
    background-color: #FFFFFF;
    z-index: 99;
 }

.nav {
	display: flex;
	justify-content: center;
	margin-left: 379px;
}

.nav ul {
	height: 100%;
	list-style: none;
	display: flex;
	justify-content: flex-start;
}

.nav ul li {
	width: 100px;
	height: 50px;
	box-sizing: border-box;
	display: flex;
	justify-content: center;
	align-items: center;
	font-weight: bold;
}

.nav ul li a {
	display: inline-block;
	text-align: center;
    font-family:MicrosoftYaHei;
	color: #484848;
	font-size: 12px;
}
.nav ul li:hover {
	background:#41AAF7 no-repeat center 50px;
	color: #FFFFFF!important;
}
.activaty{
	background-color: #41AAF7;
	color: #FFFFFF;
}