:root {
	--t-color: #000;
}
header .logo img {
    width: 215px;
    height: 40px;
}
.flex {
	display: flex;
	/* 1372   %71.458*/
}

/* 23.889% */
/* 图片导航区 */
.img-nav-list {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	padding-top: -20px;
}

.img-nav-list a {
	position: relative;
	text-decoration: none;
	display: block;
	width: 24.5%;
	margin-top: 2rem;
}

/*.img-nav-list a:nth-child(1){m argin-top: 0;}
.img-nav-list a:nth-child(2){margin-top: 0;}
.img-nav-list a:nth-child(3){margin-top: 0;}
.img-nav-list a:nth-child(4){margin-top: 0;} */

.img-nav-list img {
	width: 100%;
}

.img-nav-list .mask {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0;
	left: 0;
	background-color: rgba(255, 255, 255, .8);
	z-index: 1;
	color: var(--t-color);
	/* text-align: center; */
	line-height: 24px;
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 23px;
	font-size: 18px;
	font-family: 'Microsoft YaHei;';
	font-weight: bold;
	transition: all .3s;
}

.img-nav-list .mask:hover {
	background-color: transparent;
	color: #fff;
}

.nav-top {
	height: 85px;
	background: #004684;
}

.nav-top .nav-text {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav-text .n-left {
	font-size: 24px;
	font-weight: 400;
	color: #FFFFFF;
}

.nav-text .n-right {
	height: 38px;
	background: #045EAE;
	border-radius: 19px;
	line-height: 38px;
	padding: 0 25px;
	font-size: 18px;
	font-weight: 400;
	color: #FFFFFF;
}

.n-content {
	width: inherit;
	font-size: 18px;
	font-weight: 400;
	color: #000000;
}

.flex-col {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.fc33 {
	color: #333;
}

.n-fsz {
	font-size: 18px;
	line-height: 25px;
}

.uli li {
	list-style-type: disc;
}

.uli li::-webkit-details-marker {
	color: #666;
}

.content_w {
	width: 83.45%;
	margin: auto;
}

.w100 {
	width: 100%;
}

.row-bt {
	display: flex;
	justify-content: space-between;
}

.text-t {
	color: var(--t-color);
	font-size: 20px;
	font-weight: bold;
}

.col-center {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

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

.al-center {
	align-items: center;
}

.wrap {
	flex-wrap: wrap;
}

.box-shadow {
	box-shadow: 0 0 10px 1px rgba(0, 0, 0, .3);
	background-repeat: no-repeat;
	background-position: center;
}

.uli2 li {
	margin-top: 10px;
}

.bgff {
	background-color: #fff;
}

.bgfa {
	background-color: #FAFAFA;
}

.super4Box {
	width: 560px;
	height: 294px;
}

.super4Box:nth-child(3){
	margin-top: 20px;
}

.super4Box:nth-child(4){
	margin-top: 20px;
}

.super4Box img{
	width: 100%;
}

.mtp{
	margin-top: 50px;
}

.mtb{
	margin-bottom: 50px;
}
.bgff_img {
	background-image: url(../images/8_11.png);
}