.page {   
  background-color: #fff;
  margin-top: 0;
 }

/*包含以下四种的链接*/
a {
  text-decoration: none;
  color: #000;
}
/*正常的未被访问过的链接*/
a:link {
  text-decoration: none;
}
/*已经访问过的链接*/
a:visited {
  text-decoration: none;
}
/*鼠标划过(停留)的链接*/
a:hover {
  text-decoration: none;
}
/* 正在点击的链接*/
a:active {
  text-decoration: none;
}
li{list-style:none}
img{vertical-align:top;border:none}
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, /* structural elements 结构元素 */
dl, dt, dd, ul, ol, li, /* list elements 列表元素 */
pre, /* text formatting elements 文本格式元素 */
fieldset, lengend, button, input, textarea, /* form elements 表单元素 */
th, td { /* table elements 表格元素 */
    margin: 0;
    padding: 0;
}
body,button, input, select, textarea { /* for ie */
  font-family: "阿里巴巴普惠体 2.0 45 Light";font-weight: 300;src: url("//at.alicdn.com/wf/webfont/RqpkkGH2uE8k/uELP_F7Ks3KhYppve5IRI.woff2") format("woff2"),
  url("//at.alicdn.com/wf/webfont/RqpkkGH2uE8k/liN28DRFIlh-dFIMweXFW.woff") format("woff");
  font-display: swap;
}
/* 设置网页统一的字体大小、行高、字体系列相关属性 */
body {
  font: 16px/1.5 'Helvetica Neue', Helvetica, Arial, 'Microsoft Yahei', 'Hiragino Sans GB',
    'Heiti SC', 'WenQuanYi Micro Hei', sans-serif;
  color: #333;
}
h1 { font-size: 22px; /* 18px / 12px = 1.5 */ 
    text-align: center; 
    font-weight: 300;
    margin-top: 20px;
  }
h2 { font-size: 16px; }
h3 { font-size: 14px; 
    font-weight: 300;
    text-align: center;
    color: #666666;
}
h4, h5, h6 { font-size: 100%; }
code, kbd, pre, samp, tt { font-family: "Courier New", Courier, monospace; } /* 统一等宽字体 */
small { font-size: 12px; } /* 小于 12px 的中文很难阅读，让 small 正常化 */

/**banner**/
.image_3 {
  width: 100%;
  height: 228px; 
  margin: 0 auto;
  background-image: url(../img/about/banner.png);
  background-repeat: no-repeat;
  padding: 1px;
}
.image_3 .banner  {
  width: 1200px;
  height: 75px;
  background-image: url(../img/about/border2.png);
  background-repeat: no-repeat;
  margin: 0 auto;
  margin-top: 65px;
}

.image_3 h4{
  width: 400px;
  height: 27px;
  font-size: 30px;
  font-weight: 400;
  color: #FFFFFF;
  display: inline-block;
  margin-top: 10px;
  margin-left: 20px;
}
.image_3 p{
  width: 470px;
  height: 20px;
  background: #fff;
  font-size: 12px;
  font-weight: 400;
  color: #1071EB;
  line-height: 20px;
  padding-left: 10px;
}
/**banner**/
.nav1{
  width: 1200px;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  padding: 1px;



}
.nav1 .group01{
  width: 1200px;
  height: 76%;
  margin-bottom: 32px;
  margin-top: 40px;
  position: relative;


}
.nav1 .group01 .logo3{

  position: absolute;
  top: 50%;
  left:50%;
  transform: translate(-320% , -66%);

}
.nav1 .p01 img{
  width: 155px;
}
.nav1 .group01 .logo3 .p01{
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 22px;
  margin-top: 90px;
  display: inline-block;
}
.nav1 .group01 h4{
  font-size: 31px;
  font-weight: 400;
  color: #333333;
  line-height: 22px;
  margin-top: 20px;
}
.nav1 .group01 .border01{
  width: 26px;
  height: 2px;
  background: #4280EE;
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
  margin-top: 30px;
}

.nav1 .group01 p{
  width: 770px;
  /*height: 280px;*/
  float: right;
  font-size: 17px;
  font-weight: 300;
  color: #333333;
  line-height: 35px;
}
.nav1 .group02{
  width: 1200px;
  height: 100%;
  background-image: url(../img/about/bg.png);
  /*margin-top: -19px;*/
  padding: 1px;
}
.nav1 .group02 p{
  width: 1134px;
  height: 100%;
  font-size: 17px;
  font-weight: 300;
  color: #FFFFFF;
  line-height: 35px;
  margin: 0 auto;
  margin-top: 28px;
  margin-bottom: 28px;
}
.nav2{
  height: 480px;
  background: #F6F9FF;
  opacity: 1;
}
.nav2 .group03{
  width: 1200px;
  height: 650px;
  margin: 0 auto;
  padding: 1px;
}
.nav2 .group03 h1{
  margin-top: 30px;
}
.nav2 .group03 ul{
  width: 1200px;
  height: 160px;
  margin-top: 20px;
}

.nav2 .group03 ul li{
  width: 285px;
  height: 160px;
  background-image: url(../img/about/border.png);
  padding: 1px;
  margin-left: 19px;
  float: left;
}
.nav2 .group03 ul li:nth-child(1){
  margin-left: 0px;
}
.nav2 .group03 ul li img{
  width: 39px;
  height: 51px;
  margin: 0 auto;
  margin-top: 36px;
  display: block;
}
.nav2 .group03 ul li p{
  font-size: 16px;
  font-weight: 300;
  color: #000000;
  text-align: center;
  line-height: 160px;
}
.nav2 .group03 ul li p a:hover{
  color: #4180ED;
}
.nav3{
  width: 1200px;
  margin: 0 auto;
  margin-top: 20px;
  margin-bottom: 30px;
}
.nav3 h1{
  margin-bottom: -20px;
}

.nav3 .p01{
  width: 2px;
  height: 14px;
  background: #FF3333;
  border-radius: 8px 8px 8px 8px;
  opacity: 1;
  margin-top: 34px;
  float: left;
}

.nav3 h5{
  height: 28px;
  font-size: 18px;
  font-weight: 300;
  color: #333333;
  line-height: 24px;
  margin-top: 30px;
  margin-left: 10px;
  margin-bottom: -5px;
}
.nav3 ul{
  width: 1200px;
  height: 90px;
  margin-top: 13px;
}

.nav3 ul li{
  width: 390px;
  height: 90px;
  background: #F6F7FB;
  float: left;
  margin-left: 15px;
}
.nav3 ul li:nth-child(1){
  margin-left: 0px;
}
.nav3 ul li h6{
  font-size: 16px;
  font-weight: 300;
  color: #333333;
  line-height: 24px;
  margin-top: 20px;
  margin-left: 20px;
}
.nav3 ul li p{
  font-size: 12px;
  font-weight: 300;
  color: #999999;
  line-height: 24px;
  margin-left: 20px;
}

.head .nav .daohang:nth-child(4){
  color: rgb(7, 63, 214);
}