nav {
	position: fixed;
	top: 0;
	width: 100%;
	/* background: cadetblue; */
	height: 80px;
	border-bottom: 2px solid #CC0000;
	box-sizing: border-box;
	padding: 0 40px;
}

.logo {
	/* background: url(../img/logo_wx.png); */
	height: 46px;
	width: 341px;
	float: left;
	margin-top: 18px;
	background-size: 100%;
    object-fit: fill;
}

/*导航*/
.nav-list {
	list-style: none;
	padding: 0;
	margin: 0;
	float: right;
	margin-top: 28px;
}

.nav-list li {
	display: inline-block;
	height: 34px;
	width: 66px;
	margin-right: 16px;

}

.nav-list li:last-child {
	margin-right: 0;
}

.nav-list a {
	font-size: 16px;
	font-style: normal;
	text-decoration: none;
	color: #CC0000;
	text-align: center;
	display: inline-block;
	height: 34px;
	width: 66px;
	cursor: pointer;
}

.nav-list .active {

	box-sizing: border-box;
	border-bottom: #CC0000 3px solid;
}

.nav-list a:hover {
	color: #CC0000;
	box-sizing: border-box;
	border-bottom: #CC0000 3px solid;
}

/* 容器 */
.main-container {
    /* padding: 40px 40px 40px 40px; */
    /* padding: 0px 40px 40px 40px; */
    padding: 0px;
    margin-top: 80px;
}
.main-box {
    min-height: 50vh;
}
.main-box-anchor {
    margin-top: -80px;
    height: 80px;
}
.main-contenr {
    /* padding: 40px 40px 40px 40px; */
}
.main-contenr img:nth-child(odd){
	display: block;
}
.main-contenr img:nth-child(even){
	display: none;
}