*{
	padding: 0;
	margin: 0;
}

body, html {
	scroll-behavior: smooth;
}

ul,li{
	list-style: none;
}

.container{
	position: relative;
}

.pc-header{
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	background: #fff;
	z-index: 1222;
}

.pc-header .header-content{
	display: flex;
	align-items: center;
	margin: 0 100px;
	justify-content: space-between;
	/* width: 1200px; */
	height: 64px;
	box-shadow: whitesmoke;
}

a{
	text-decoration: none;
	color: initial;
}

.pc-header .header-content .logo{
	color: #000;
	font-size: 18px;
	font-weight: bold;
	text-decoration: none;
}

.pc-header .header-content .logo:hover{
	transition: cubic-bezier(0.445, 0.05, 0.55, 0.95);
	scale: 1.1;
}

.nav {
	display: flex;
	align-items: center;
	
}

.nav .item{
	width: 100px;
	cursor: pointer;
}

.nav .item.active a{
	color: #175fff
}

.banner{
	background-image: url(../img/core-bg.png);
	background-size: 100%;
	height: 390px;
	margin-top: 64px;
	background-repeat: no-repeat;
}

.aboutus{
	padding: 20px;
	position: relative;
	border-radius: 10px;
	transition: all .4s linear;
	background-color: #fff;
	overflow: hidden;
	margin: 0 100px;
	margin-top: -150px;
}

.aboutus .about-title {
	padding: 0px 0 30px;
}

.aboutus .about-title span{
	background: linear-gradient(90deg,#06f,#00e6ff);
	background-clip: text;
	-webkit-background-clip: text;
	color: transparent;
	font-size: 18px;
}

.aboutus .about-text{
	line-height: 1.8;
}

.content {
	/* width: 1200px; */
	margin: 0 100px;
	padding-bottom: 80px;
}
.content .sec-title {
	padding: 30px 0;
}
.content .sec-title span{
	background: linear-gradient(90deg,#06f,#00e6ff);
	background-clip: text;
	-webkit-background-clip: text;
	color: transparent;
	font-size: 18px;
}

.about-flex{
	display: flex;
	box-shadow: 1px 1px 2px #fff, -1px -1px 2px #fff, 1px -1px 2px #ddd, -1px 1px 2px #ddd;  

}

.about-flex .about-img{
	width: 555px;
	height: 373px;
}

.about-flex  .introduce{
	padding: 0px 15px;
}

.content .intro-text{
	padding: 10px 0;
	font-size: 15px;
	line-height: 1.8;
}

.content .intro-text::first-letter{
	font-weight: bold;
}

.database-content{
	background: #e7f6ff;
	overflow: hidden;
	padding-bottom: 100px;
}

.database-content .insert-content{
	/* width: 1200px; */
	margin: 0 100px;
}

.database-content .insert-content .sec-title {
	padding: 30px 0;
}

.database-content .insert-content .sec-title span{
	background: linear-gradient(90deg,#06f,#00e6ff);
	background-clip: text;
	-webkit-background-clip: text;
	color: transparent;
	font-size: 18px;
}

.core-tab-list{
	display: flex;
	justify-content: flex-start;
	width: 100%;
	background: #fff;
	border-radius: 8px;
	margin-top: 40px;
}

.core-tab-list .item{
	width: 33%;
	height: 40px;
	line-height: 40px;
	text-align: center;
	font-weight: 600;
	color: #000;
	font-size: 16px;
}

.core-tab-list .item.active{
	background: linear-gradient(90deg,#06f,#00e6ff);
	border-radius: 12px;
	transition: all .2s ease;
	color: #fff;
	
}

.database-content .insert-content .description{
	color: #141148;
	font-size: 12px;
	margin-top: -20px;
	opacity: 0.5;
}

.flex-tab-list{
	margin-top: 40px;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.flex-tab-list.flex-start{
	justify-content: flex-start;
}

.flex-tab-list.flex-start .flex-tab-list-item{
	margin-right: 3.3%;
}

.flex-tab-list .flex-tab-list-item{
	 width: 20%;
	 border-radius: 8px;
	 background: #fff;
	 padding: 15px;
	 height: 200px;
	 line-height: 1.7;
}

.flex-tab-list .flex-tab-list-item .item-img{
	width: 32px;
	height: 32px;
}

.flex-tab-list .flex-tab-list-item .item-title{
	font: 14px;
	margin: 20px 0;
}

.flex-tab-list .flex-tab-list-item .tab-content{
	color: #666a85;
	font-size: 12px;
}

.line{
	margin-top: 40px;
	border-bottom: 1px solid #ccc;
}

.footer{
	background: #2a62f7;
	color: #fff;
	font-size: 14px;
	height: 60px;
	line-height: 60px;
	text-align: center;
}

.contact-text{
	font-size: 12px;
	line-height: 2;
}
.contact-text label{
	display: inline-block;
	text-align: left;
	width: 80px;
}