.intro-main {
	width: 100%;
	height: 800px;
	margin: 0 auto;

	display: flex;
	justify-content: center;
	position: relative;
	overflow: hidden;
	background: #F2F6FF;
}

.intro-bg {
	width: 100%;
	height: 800px;
	position: absolute;
	top: 0;
	left: 0;
	background: #F2F6FF;
	opacity: .2;
}



.intro-content {
	width: 1480px;
	position: absolute;
	left: 50%;
	transform: translate(-50%);
	margin-top: 64px;
	display: flex;
	justify-content: space-between;
}

.intro-text {

	width: 571px;
}

.intro-text li {
	border-radius: 6px;
	
	cursor: pointer;
	padding: 15px 25px;
	box-sizing:border-box;
-moz-box-sizing:border-box;  
}

.intro-text li.not-opacity {
	background: #E5EDFF;
}


.intro-title {
	display: flex;
	align-items: center;
	margin-bottom: 10px;
}

.intro-title h1 {
	font-size: 24px;
font-family: Source Han Sans CN;
font-weight: 500;
color: #333333;
}

.intro-text p {
	
	text-align: left;
	font-size: 18px;
font-family: Source Han Sans CN;
font-weight: 500;
color: #999999;
line-height: 24px;
}



.intro-main.one .intro-text {
	margin-right: 50px;
}

.intro-img img {
	display: block;
	width: 843px;
	height: 562px;

	border-radius: 16px;
}

.intro-main.two .intro-img img {
	margin-right: 42px;
}

.btnactive:before {
    content: "";
    position: absolute;
    width: 200%;
    height: 500%;
    left: 0%;
    top: 0%;
    margin-left: -50%;
    margin-top: -50%;
    border-radius: 50%;
    background: rgb(255 254 254 / 13%);
    animation: spread 1.5s infinite both;
    -webkit-animation: spread 1.5s infinite both;
    -moz-animation: spread 1.5s infinite both;
    -o-animation: spread 1.5s infinite both;
}
.btn {
    transition: all 0.5s ease;
    width: 216px;
    height: 60px;
    background: -webkit-linear-gradient(left, #1389fd , #037bf1);
    background: -o-linear-gradient(left, #1389fd , #037bf1);
    background: -moz-linear-gradient(left, #1389fd , #037bf1);
    background: linear-gradient(to left, #1389fd , #037bf1);
    border-radius: 30px;
    display: inline-block;
    line-height: 60px;
    color: #fff;
    text-align: center;
    font-size: 24px;
	font-weight: 400;}
.btnactive {
    position: relative;
    overflow: hidden;
}
.interests .btn {
	margin-top: 666px;
  color: #ffffff;

  background: #077ef3 url(../images/arrow1.png) 52px center no-repeat;
  width: 275px;
  height: 75px;
  text-indent: 30px;
	border-radius: 38px;
  line-height: 75px;
	font-size: 30px;
	box-shadow: 20px 20px 28px #bfdfff;
    -moz-box-shadow: 20px 20px 28px #bfdfff;
    -webkit-box-shadow: 20px 20px 28px #bfdfff;
}
/* 介绍 */


@media screen and (max-width: 1500px) {

.intro-main {
	width: 100%;
	height: 660px;
	margin: 0 auto;

	display: flex;
	justify-content: center;
	position: relative;
	overflow: hidden;
	background: #F2F6FF;
}

.intro-bg {
	width: 100%;
	height: 660px;
	position: absolute;
	top: 0;
	left: 0;
	background: #F2F6FF;
	opacity: .2;
}



.intro-content {
	width: 1180px;
	position: absolute;
	left: 50%;
	transform: translate(-50%);
	margin-top: 72px;
	display: flex;
	justify-content: space-between;
}

.intro-text {

	width: 456px;
}

.intro-text li {
	border-radius: 6px;
	
	cursor: pointer;
	padding: 10px 18px;
	box-sizing:border-box;
-moz-box-sizing:border-box;  
}

.intro-text li.not-opacity {
	background: #E5EDFF;
}


.intro-title {
	display: flex;
	align-items: center;
	margin-bottom: 10px;
}

.intro-title h1 {
	font-size: 20px;
font-family: Source Han Sans CN;
font-weight: 500;
color: #333333;
}

.intro-text p {
	
	text-align: left;
	font-size: 14px;
font-family: Source Han Sans CN;
font-weight: 500;
color: #999999;
line-height: 24px;
}



.intro-main.one .intro-text {
	margin-right: 50px;
}

.intro-img img {
	display: block;
	width: 676px;
	height: 451px;

	border-radius: 16px;
}

.intro-main.two .intro-img img {
	margin-right: 42px;
}
.interests .btn {
	margin-top: 560px;
  color: #ffffff;
 
  background: #077ef3 url(../images/arrow.png) 48px center no-repeat;
  width: 220px;
  height: 60px;
  text-indent: 30px;
  line-height: 60px;
	box-shadow: 20px 20px 28px #bfdfff;
    -moz-box-shadow: 20px 20px 28px #bfdfff;
    -webkit-box-shadow: 20px 20px 28px #bfdfff;
}
.btnactive:before {
    content: "";
    position: absolute;
    width: 200%;
    height: 500%;
    left: 0%;
    top: 0%;
    margin-left: -50%;
    margin-top: -50%;
    border-radius: 50%;
    background: rgb(255 254 254 / 13%);
    animation: spread 1.5s infinite both;
    -webkit-animation: spread 1.5s infinite both;
    -moz-animation: spread 1.5s infinite both;
    -o-animation: spread 1.5s infinite both;
}
.btn {
    transition: all 0.5s ease;
    width: 216px;
    height: 60px;
    background: -webkit-linear-gradient(left, #1389fd , #037bf1);
    background: -o-linear-gradient(left, #1389fd , #037bf1);
    background: -moz-linear-gradient(left, #1389fd , #037bf1);
    background: linear-gradient(to left, #1389fd , #037bf1);
    border-radius: 30px;
    display: inline-block;
    line-height: 60px;
    color: #fff;
    text-align: center;
    font-size: 24px!important;
	font-weight: 400;}
.btnactive {
    position: relative;
    overflow: hidden;
}
   
}











@keyframes spread {
  0% {
      transform: scale(0);
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0);
  }
  100% {
      transform: scale(1);
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1);
  }
}
@-webkit-keyframes spread {
  0% {
      transform: scale(0);
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0);
  }
  100% {
      transform: scale(1);
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1);
  }
}
@-moz-keyframes spread {
  0% {
      transform: scale(0);
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0);
  }
  100% {
      transform: scale(1);
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1);
  }
}
@-o-keyframes spread {
  0% {
      transform: scale(0);
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0);
  }
  100% {
      transform: scale(1);
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1);
  }
}

@keyframes typing {
  0% {
    background-position-x: 0px;
  }
  100% {
    background-position-x: -624px;
  }
}