@charset "UTF-8";

body {
  margin: 0;
  padding: 0;
  min-width: 1280px;
  outline: none;
  font-family: Arial, sans-serif;
}

html {
  font-size: calc(14px + 0.3vw); /* 基础 14px，随视口宽度增加 */
}


p,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
form,
fieldset,
select,
textarea,
blockquote {
  padding: 0;
  margin: 0;
}
ul,
li,
ol {
  list-style-type: none;
}
img {
  border: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
i,
b {
  font-weight: normal;
  font-style: normal;
}
a:hover {
  text-decoration: none;
  outline: none;
}
input,
select,
textarea {
  outline: none;
}
em {
  font-style: normal;
}
* {
  box-sizing: border-box;
}
body {
  background: #fff;
  position: relative;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.clear {
  clear: both;
}
.clearfix:after {
  content: '';
  display: block;
  clear: both;
}
.flNone {
  float: none!important;
}
.hide {
  display: none;
}
.show {
  display: block;
}
.img100 {
  width: 100%;
}
.relative {
  position: relative;
}
.absolute {
  position: absolute;
}
.overflow {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.boxSizing,
.border_box {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.btn {
  cursor: pointer;
  /*border-radius:7px;*/
}
.btn:hover {
  opacity: 0.7;
  filter: alpha(opacity=70);
}
.cursor {
  cursor: pointer;
}
.cursorN {
  cursor: default;
}
.Validform_checktip {
  text-align: left;
}
select {
  border: 1px #ccc solid;
}
.text_center,
.text-center,
.text-c {
  text-align: center;
}
.text-l {
  text-align: left;
}
.text-r {
  text-align: right;
}
.bgnone {
  background: none!important;
}
.bgFFF {
  background: #fff;
}
.BgBlue {
  background: #33aae7;
  color: #fff;
}
.BgRed {
  background: #d36259;
  color: #fff;
}
.BgGreen {
  background: #3fd3a0;
  color: #fff;
}
.BgGray {
  background: #c1c1c1;
  color: #fff;
}
.font_fff,
.colorf {
  color: #fff;
}
.font_000,
.color0 {
  color: #000;
}
.mt10 {
  margin-top: 10px;
}
.mt20 {
  margin-top: 20px;
}
.mt30 {
  margin-top: 30px;
}
.ml5 {
  margin-left: 5px;
}
.ml10 {
  margin-left: 10px;
}
.ml20 {
  margin-left: 20px;
}
.mr10 {
  margin-right: 10px;
}
.mr20 {
  margin-right: 20px;
}
.mb10 {
  margin-bottom: 10px;
}
.mb20 {
  margin-bottom: 20px  !important;
}
.mb60 {
  margin-bottom: 60px !important;
}
.margin0,
.m0 {
  margin: 0;
}
.mt0 {
  margin-top: 0 !important;
}
.m20 {
  margin: 20px;
}
.p5 {
  padding: 5px;
}
.p10 {
  padding: 10px;
}
.pl10 {
  padding-left: 10px;
}
.pr10 {
  padding-right: 10px;
}
.pt0 {
  padding-top: 0;
}
.pt5 {
  padding-top: 5px;
}
.pt10 {
  padding-top: 10px;
}
.pt20 {
  padding-top: 20px;
}
.p20 {
  padding: 20px;
}
.p25pb0 {
  padding: 25px 25px 0;
}
.pb20 {
  padding-bottom: 20px;
}
.p020 {
  padding: 0 20px;
}
.p030 {
  padding: 0 30px;
}
.p0,
.padding0 {
  padding: 0px;
}
.bordern {
  border: none;
}
.borderbtmn {
  border-bottom: none !important;
}
.textHide2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  overflow: hidden;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}
.textHide3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  overflow: hidden;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}
.textHide4 {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  overflow: hidden;
  line-clamp: 4;
  -webkit-box-orient: vertical;
}
.flex {
  display: -webkit-box;
  /* 老版本语法: Safari, iOS, Android browser, older WebKit browsers. */
  display: -moz-box;
  /* 老版本语法: Firefox (buggy) */
  display: -ms-flexbox;
  /* 混合版本语法: IE 10 */
  display: -webkit-flex;
  /* 新版本语法: Chrome 21+ */
  display: flex;
  /* 新版本语法: Opera 12.1, Firefox 22+ */
  flex-wrap: wrap;
}
.flexLi {
  -webkit-box-flex: 1;
  -moz-flex-grow: 1;
  -webkit-flex-grow: 1;
  flex-grow: 1;
}
.Animation {
  -webkit-transition: all 0.3s ease-in-out 0s;
  -moz-transition: all 0.3s ease-in-out 0s;
  -ms-transition: all 0.3s ease-in-out 0s;
  transition: all 0.3s ease-in-out 0s;
}
/*我的变量*/
.fs12 {
  font-size: 12px;
}
.fs14 {
  font-size: 14px;
}
.fs16 {
  font-size: 16px;
}
.fs18 {
  font-size: 18px;
}
.ft-w {
  font-weight: bold;
}
.w50 {
  width: 50% !important;
}

.title {
  line-height: 2rem;
  text-align: center;
  font-size: 2rem;
  font-weight: bold;
  color: #0a2b61;  
  margin-bottom: 1.25rem;	
}
.title-p {
  line-height: 1.125rem;
  text-align: center;
  font-size: 1.125rem;  
  margin-bottom: 4.375rem;
}
.header {
  position: relative;
  z-index: 10;
}
.header .con {
  position: absolute;
  top: 2px;
  left: 20px;
  padding-top: 13px;    
}
.header img {
  display: inline-block;
  margin-right: 5px;
  width: 8.125rem;
  vertical-align: middle;
}
.header span {
  display: inline-block;
  vertical-align: middle;
  font-size: 16px;
  line-height: 16px;
}
.header-ai-lf-a {
  display: inline-block;
  width: 8.8625rem;
  height: 2.9rem;
  text-align: center;
  font-size: 1.2rem;
  line-height: 2.9rem;
  color: #ffffff;
  background: linear-gradient(to right, #034efe, #0391ff);
  border-radius: 0.625rem;
  float: right;        
}
.box-1 {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background-image: url(../images/bjt1.jpg);
  background-repeat: no-repeat; /* 不重复 */
  background-position: center center; /* 居中显示 */
  background-size: cover; /* 覆盖整个元素 */      
}
.box-1 .con {
  width: 1100px;
  min-width: 1280px;
  height: 100%;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate( -50%,0);
}
.box-1 .con .lf a {
  display: inline-block;
  width: 11.5625rem;
  height: 3.5625rem;
  text-align: center;
  font-size: 1.25rem;
  line-height: 3.1875rem;
  color: #ffffff;
  background: linear-gradient(to right, #034efe, #0391ff);
  border: 3px solid #ffffff;
  border-radius: 0.625rem;
}
.box-1 .con .lf {
  z-index: 2;
  position: relative;
  top: 11.125rem;
  left: 0%;
  text-align: center;
}
.box-1 .con .lf h1 {
  margin-bottom: 1.125rem;
  font-size: 2.375rem;
  font-weight: bold;
  line-height: 4rem;
  color: #0a2b61;
}
.box-1 .con .lf p {
  margin-bottom: 3.25rem;
  font-size: 1rem;
  line-height: 0.5rem;    
}

.lf-img{
	width: 100%;
}
.clearfix{
	position: relative;
}
.box-1 .con .rt {
  position: absolute;
  top: 145px;
  right: 0;    
}
.box-1 .con .rt img{
  display: block;
  width: 380px;
}
.box-2 {
  background-color: #ffffff;
}
.box-2 .con {
  /* padding-top: 180px; */
  padding-bottom: 130px;
}
.box-2 .con ul {
  text-align: center;
}
.box-2 .con ul li {
  display: inline-block;
}
.box-2 .con ul li img {
  display: block;
  margin-bottom: 34px;
  width: 90px;
  object-fit: cover;
}
.box-2 .con ul li p {
  font-size: 18px;
  line-height: 8px;
}
.box-2 .con ul li:not(:last-of-type) {
  margin-right: 90px;
}

.box-4 {
  background-color: #ffffff;
  text-align: center;
  background-image: url(../images/bjt2.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;    
  margin-top: 6.875rem;
}
.box-4 .con {
  padding: 3.25rem 0;
  text-align: center;
}

.box-4 .con a {
    display: inline-block;
    width: 11.5625rem;
    height: 3.5625rem;
    text-align: center;
    font-size: 1.25rem;
    line-height: 3.1875rem;
    color: #ffffff;
    background: linear-gradient(to right, #034efe, #0391ff);
    border: 3px solid #ffffff;
    border-radius: 0.625rem;
}
.box-4-img{
	margin-bottom: 5rem;
	width: 25rem;
}

.footer {
  background-color: #ffffff;
}
.footer .con {
  position: relative;
  padding: 0;
  height:70px;
  overflow: hidden;
}
.footer .con .lf {
}
.footer .con .lf .link {
  margin-bottom: 20px  !important;
}
.footer .con .lf .link a {
  display: inline-block;
  font-size: 16px;
  line-height: 16px;
  color: #ffffff;
  padding: 0 10px;
}
.footer .con .lf .link a:first-of-type {
  padding-left: 0;
}
.footer .con .lf .link a:last-of-type {
  padding-right: 0;
}
.footer .con .lf .link a:not(:last-of-type) {
  border-right: 1px solid #fff;
}
.footer .con  .copyright {
  font-size: 14px;
  line-height: 70px;
  color: #a1a1a1;
  text-align: center;
}
.footer .con .copyright a {
  color: #a1a1a1;
}
.footer .con .rt {
  position: absolute;
  right: 0;
  top: 50%;
  -webkit-transform: translate(0, -50%);
  -moz-transform: translate(0, -50%);
  -ms-transform: translate(0, -50%);
  transform: translate(0, -50%);
}
.footer .con .rt img {
  margin-bottom: 5px;
  display: block;
  width: 98px;
  height: 98px;
}
.footer .con .rt p {
  text-align: center;
  font-size: 14px;
  line-height: 14px;
  color: #a1a1a1;
}

.con-bottom{
	width: 900px;
	height: 185px;
	-webkit-box-shadow: 0px 0px 16.74px 1.26px rgba(0, 0, 0, 0.1);
	-moz-box-shadow: 0px 0px 16.74px 1.26px rgba(0, 0, 0, 0.1);
	-ms-box-shadow: 0px 0px 16.74px 1.26px rgba(0, 0, 0, 0.1);
	-o-box-shadow: 0px 0px 16.74px 1.26px rgba(0, 0, 0, 0.1);
	box-shadow: 0px 0px 16.74px 1.26px rgba(0, 0, 0, 0.1);    
	background-color: #ffffff;
	margin: 0 auto;
	border-radius: 12px;
	position: relative;
	top: -90px;
	/* left: 50%;
	transform: translate(-50%, -50%); */ 
	text-align: center;  
	font-size: 18px;  
}
.con-bottom-div{
	margin: 30px 40px;
	display: inline-block;
}
.con-bottom-div img{
	width: 90px;
}
.box-3{
	background-color: #ffffff;
	position: relative;
	margin: 0 auto;
}

.box-3 .con {
  /* padding: 0 10rem; */
  min-width: 1280px;
}
.box-3 .con .lf {
  z-index: 2;
  position: relative;
  left: 0%;
  top: 5.625rem; 
}
.box-3 .con .lf h1 {
  font-size: 1.5rem;
  font-weight: bold;
  line-height: 4rem;
  color: #000000;
  position: relative;
}
.box-3 .con .lf p {
  margin-bottom: 2.5rem;
  font-size: 1.125rem;
  line-height: 1.875rem;    
}


.box-3 .con .rt {
  position: absolute;
  top: 1.25rem;
  right: 0;    
}
.box-3 .con .rt img{
  display: block;
  width: 35rem;
  position: relative;
}
.box-3 .con .lf a {
    display: inline-block;
    width: 194px;
    height: 60px;
    text-align: center;
    font-size: 21px;
    line-height: 0px;
    color: #ffffff;
	font-weight: 600;
}
.box-3 .clearfix{
	height: 24rem;
	width: 65rem;
	margin: 0 auto;
}

.lf-imgs{
	width: 35px;
	position: relative;
	top: -2px;
}
.box-3 .con .lf h1 span{
	position: relative;
	z-index: 10;
}
.lf-xh{
	width: 176px;
	height: 10px;
	background-color: #99cbff;
	position: absolute;
	bottom: 1rem;
	z-index: 1;
	border-radius: 10px;
}

footer {
  background: #232323;
  padding: 28px 0 150px 0;
}

footer span {
  font-size: 16px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: rgb(255, 255, 255);
  line-height: 52px;
}

footer p {
  font-size: 12px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: rgb(123, 123, 123);
  line-height: 24px;
}

.about:hover {
  color: #ff9b19;
}

.about {
  cursor: pointer;
  display: inline-block;
}

.jiantou {
  -webkit-transform: rotate(180deg);
  -moz-transform: rotate(180deg);
  -o-transform: rotate(180deg);
  -ms-transform: rotate(180deg);
  transform: rotate(180deg);
  display: none;
}

.erweima {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, 36%);
}

.container-fluid {
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

.col-lg-1, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-sm-1, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-xs-1, .col-xs-10, .col-xs-11, .col-xs-12, .col-xs-2, .col-xs-3, .col-xs-4, .col-xs-5, .col-xs-6, .col-xs-7, .col-xs-8, .col-xs-9 {
    position: relative;
    min-height: 1px;
    padding-right: 15px;
    padding-left: 15px;
}

.blackoveride {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  width: 100%;
  min-height: 100vh;
  background: black;
  z-index: 1031;
  filter: alpha(opacity=40);
  -moz-opacity: 0.4;
  opacity: 0.4;
}


/* @media screen and (min-width: 1980px) {
    .box-3 .con {
        padding: 0 20rem;
    }
}
@media screen and (min-width: 1800px) and (max-width: 1980px) {
    .box-3 .con {
        padding: 0 17rem;
    }
}
@media screen and (min-width: 1600px) and (max-width: 1800px) {
    .box-3 .con {
        padding: 0 15rem;
    }
}

@media screen and (min-width: 1300px) and (max-width: 1600px) {
    .box-3 .con {
        padding: 0 10rem;
    }
}

@media screen and (max-width: 1280px) {
    .box-3 .con {
        padding: 0 5rem;
    }
} */

/* @media (min-width: 992px) {
  footer {
    padding: 28px 0 19px 0;
  }
} */
@media (min-width: 992px) {
    .col-md-offset-2 {
        margin-left: 16.66666667%;
    }
}
@media (min-width: 992px) {
    .col-md-7 {
        width: 59.33333333%;
    }
}
@media (min-width: 992px) {
    .col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9 {
        float: left;
    }
}

.header-ai {
    display: none; /* 默认隐藏 */
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #ffffff;
    color: #fff;
    padding: 15px 25px;
    text-align: center;
    z-index: 1000;
	box-shadow: 0px 1px 23px 1px rgba(0, 0, 0, 0.11);
}

.header-ai img {
    width: 8.125rem;
    float: left;
	position: relative;
	top: 8px;
}

.download-btn {
    background-color: #ff6347;
    color: white;
    border: none;
    padding: 5px 15px;
    margin-left: 10px;
    cursor: pointer;
}