.bg-one {
	background: url(../img/bg-us.png) no-repeat center center;
	height: 600px !important;
	position: relative;
}

nav>ul li:nth-child(6)::after {
	content: '';
	width: 40px;
	height: 2px;
	background: #7C7C7C;
	border-radius: 1px;
	position: absolute;
	bottom: -10px;
	left: calc(50% - 20px);
}

/*--------------------------------------纯文字部分------------------------------------------*/
.us-text {
	position: absolute;
	text-align: center;
    width: 100%;
    height: 100%;
    padding-top: 277px;
}
.us-imgf{
	position: relative;
	height: 100%;
}
.us-img{
	position: absolute;
	width: 100%;
	position: absolute;
    width: 60%;
	left: 10px;
    z-index: 100;
    bottom: -100px;
}
.us-title {
	font-size: 72px;
	font-weight: 500;
	color: #FFFFFF;
}

.us-view {
	width: 34px;
	height: 2px;
	background: #FFFFFF;
	margin: 34px auto;
}

.us-t {
	font-size: 18px;
	font-weight: 500;
	color: #FFFFFF;
	margin-top: 20px;
}

.c-img {
	margin-top: 65px;
	background: url(../img/certificate.png) no-repeat center center;
	background-size: contain;
	width: 100%;
	height: 545px;
}

.all-text {
	text-align: center;
	padding: 100px 0 100px;
	background: #F3F3F3;
	width: 100%;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	position: relative;
}

.all-text>img {
	position: absolute;
	top: -287px;
	right: 300px;

}

.t-title {
	font-size: 28px;
	font-weight: 500;
	color: #444444;
}

.all-text>div:not(.t-title) {
	max-width: 1112px;
	font-size: 14px;
	font-weight: 400;
	color: #656565;
	margin-bottom: 40px;
}