.banner-box {
	color: #FFFFFF;
	position: relative;
	height: 22.4vw;
	padding-top: 9vw;
	text-align: center;
}

.banner-box>img {
	width: 100%;
	height: 100%;
	position: absolute;
	top: 0px;
	left: 0px;
	right: 0px;
	bottom: 0px;
}

.banner-box .content-box>.title {
	font-size: 50px;
	font-weight: 500;
	color: #FFFFFF;
	line-height: 70px;
	text-shadow: 0px 1px 2px rgba(0, 0, 0, 0.2);
}

.tabs-bar {
	background: #FFFFFF;
	box-shadow: 0px 1px 0px 0px #ECECEC;
	width: 100%;
}

.tabs-bar .tabs-box {
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 16px;
	color: #1A1B1F;
	line-height: 22px;
}

.tabs-bar .tab-item {
	box-sizing: border-box;
	margin-left: 34px;
	padding: 17px 0px;
	color: #1A1B1F;
	border-bottom: 2px solid transparent;
}

.tabs-bar .tab-item:hover {
	border-bottom: 2px solid #51318A;
	color: #51318A;
}

.tabs-bar .active {
	border-bottom: 2px solid #51318A;
	color: #51318A;
}

.section1 {
	height: 915px;
}

.section1 .content-box .box-item-container {
	display: flex;
	justify-content: space-between;
}

.section1 .content-box .box-item {
	height: 600px;
	width: 425px;
	position: relative;
}

.section1 .content-box .box-item .text-box {
	width: 100%;
	min-height: 110px;
	position: absolute;
	bottom: 0px;
	left: 0px;
	text-align: center;
	padding-bottom: 60px;
	transition: all 2.6s ease-in;
}

.section1 .content-box .box-item .text-box>.title {
	font-size: 36px;
	font-weight: 500;
	color: #FFFFFF;
	line-height: 50px;
	margin-bottom: 10px;
}

.section1 .content-box .box-item .text-box>.hide-box {
	display: none;
}


.section1 .content-box .box-item:hover .text-box>.hide-box {
	display: block;
}


.section1 .content-box .box-item .text-box .sub-title {
	font-size: 18px;
	color: #FFFFFF;
	line-height: 25px;
	margin-bottom: 68px;
}


.section1 .content-box .left-circle {
	border-color: #FFFFFF;
}

.section1 .content-box .know-btn {
	color: #FFFFFF;
	display: inline-flex;
}

.section2 {
	background: #F7F8FB;
	height: 980px;
}

.section2 .content-box {
	height: 696px;
	width: 100%;
	position: relative;
}

.section2 .content-box>.back-img1 {
	position: absolute;
	left: 0px;
	top: 0px;
}

.section2 .content-box>.back-img2 {
	position: absolute;
	right: 0px;
	bottom: 0px;
}

.section2 .content-box [class^="text-box"] {
	width: 100%;
	height: 180px;
	position: relative;
}

.section2 .content-box [class^="text-box"]>img {
	left: 310px;
	top: 170px;
	position: absolute;
}

.section2 .content-box [class^="text-box"]>.title {
	font-size: 32px;
	color: #1A1B1F;
	line-height: 45px;
}

.section2 .content-box [class^="text-box"]>.sub-title {
	font-size: 32px;
	color: #1A1B1F;
	font-weight: 600;
	line-height: 45px;
}

.section2 .content-box>.text-box1 {
	width: 360px;
	height: 180px;
	padding-top: 50px;
	background: url(../img/node_enabling/section2_03.png);
	background-repeat: no-repeat;
	background-position: center;
	position: absolute;
	right: 152px;
	top: 77px;
}

.section2 .content-box>.text-box2 {
	width: 465px;
	height: 180px;
	padding-top: 50px;
	background: url(../img/node_enabling/section2_04.png);
	background-repeat: no-repeat;
	background-position: center;
	position: absolute;
	left: 97px;
	bottom: 78px;
}

.section3 {
	height: 670px;
}

.section3 .bottom-box {
	height: 460px;
	width: 100%;
	display: flex;
}

.section3 .bottom-box .left-box {
	padding-left: 400px;
	padding-top: 84px;
	width: 50%;
	height: 100%;
	background: url(../img/node_enabling/section3_01.png);
	background-size: 100% 100%;
	background-repeat: no-repeat;
}

.section3 .bottom-box .left-box .title {
	font-size: 36px;
	font-weight: 600;
	color: #FFFFFF;
	line-height: 50px;
	margin-bottom: 6px;
}

.section3 .bottom-box .left-box .sub-title {
	font-size: 18px;
	color: #FFFFFF;
	line-height: 25px;
	margin-bottom: 41px;
}

.section3 .bottom-box .left-box .split-line {
	margin-bottom: 130px;
	width: 40px;
	height: 4px;
	background: #FFFFFF;
	display: block;
}

.section3 .bottom-box .left-box .btn-group>img {
	margin-right: 18px;
	cursor: pointer;
}

.section3 .bottom-box .right-box {
	width: 50%;
	height: 100%;
	background-size: cover;
	background-repeat: no-repeat;
}

.section4 {
	height: 962px;
}

.section4 .content-box {
	height: 700px;
	width: 706px;
	margin: 0 auto;
	position: relative;
}

.section4 .content-box .back-img {
	margin-bottom: 20px;
}

.section4 .content-box .back-box {
	width: 570px;
	height: 353px;
	background: #F7F8FB;
	position: absolute;
	left: -120px;
	top: 91px;
	z-index: -1;
}

.section4 .content-box .title {
	font-size: 30px;
	font-weight: 600;
	color: #1A1B1F;
	line-height: 42px;
	margin-bottom: 14px;
}

.section4 .content-box .text {
	font-size: 16px;
	color: #1A1B1F;
	line-height: 22px;
}

.section4 .content-box .text p {
	margin-bottom: 8px;
}

.section4 .content-box .text .bold-text {
	font-weight: 600;
}