@charset "utf-8";
*{margin: 0;padding: 0;border: 0;outline: none;box-sizing: border-box; -webkit-box-sizing: border-box; -o-box-sizing: border-box;-ms-box-sizing: border-box; -moz-box-sizing: border-box;}
html {width: 100%; font-weight: normal; -webkit-text-size-adjust:none; -ms-text-size-adjust: 100%;  -webkit-font-smoothing: antialiased;    -moz-osx-font-smoothing: grayscale;}
body{min-width: 1200px;overflow-x: hidden;font-family: 'Helvetica Neue', Helvetica,  'Microsoft Yahei', 'Hiragino Sans GB', 'Heiti SC', 'WenQuanYi Micro Hei', sans-serif;}
ul,ul li,ol,li {list-style: none outside none;}
h1,h2,h3,h4,h5,h6,i{font-weight: normal; font-style: normal;}
img {vertical-align: middle;border: none;}
input,select,option,label,th{vertical-align: middle;border: none}
a {text-decoration: none;color: inherit;}
a:hover {text-decoration: none;  }
.clearfix:after {content: ".";display: block;height: 0;clear: both;visibility: hidden;}
.clearfix {zoom: 1;display: block;_height: 1px;clear: both;}
.clear{clear: both;}

/*头部*/
.logo{
    position: absolute;
    top: 0;
    right: 0;
    width: 121px;
    height: 75px;
    z-index: 1;
}
.logo img{
    width: 121px;
    height: 75px;
}
.header{
    width: 100%;
    position: relative;
    z-index: 100;
}
.top{
    position: absolute;
    top: 0;
    z-index:100;
    width: 100%;
    height: 80px;
    background: rgba(0,0,0,.1);
    backdrop-filter: blur(12px);
    transition: 0.2s;
    overflow: hidden;
}
.header .top_fix{
    position: fixed;
}
.header .top_white{
    background: #FFFFFF;
    box-shadow: 0px 10px 20px rgba(35, 87, 206, 0.1);
}
.index_wrap{
    width: 1200px;
    height:100%;
    margin: 0 auto;
}
.biaozhi{
    width: 168px;
    height:80px;
    overflow: hidden;
    float: left;
    display: block;
    position: relative;
}
.biaozhi_white,.biaozhi_black{
    float: left;
    margin-top: 19px;
    width: 168px;
    height: auto;
}
.biaozhi_black{
    display: none;
}
.top_white .biaozhi_black,.top_white .biaozhi_guang{
    display: block;
}
.top_white .biaozhi_white{
    display: none;
}
.biaozhi_guang{
    display: none;
    position: absolute;
    z-index: 10;
    left: 0;
    top: 8px;
    animation: guang 3s infinite;
}
@keyframes guang {
    0% {
        left: -100px;
    }
    100% {
        left: 220px;
    }
}

/*一级导航*/
.nav{
    width: 810px;
    height:80px;
    line-height:80px;
    float: right;
    position: relative;
    display: flex;
    align-items: center;justify-content: flex-end;
}
.nav_slide{
    width: 104px;
    height: 80px;
}
.nav_title{
    display: block;
    width: 100%;
    height: 100%;
    color: #f5f5f5;
    font-size: 16px;
    text-align: center;
    transition: 0.2s;
}
.top_white .nav_title{
    color: #333333
}
.nav_heng{
    width: 40px;
    height: 3px;
    background: #2357CE;
    display: none;
    position: absolute;
    bottom: 0;
    left: 126px;
    transition: 0.2s;
}
.top_white .nav_heng{
    display: block;
}
.nav_selected .nav_title{
    font-weight: bold;
    font-size: 17px;
}
.nav_slide:hover .nav_title{
    color:#1282f4;
}

/*弹出二级导航*/
.nav_down_fanwei{
    width: 100%;
    height: 1px;
    position: absolute;
    top: 79px;
    overflow: hidden;
    z-index: 51;
    transition: 0.3s;
    box-shadow: 0px 10px 20px rgba(35, 87, 206, 0.1);
}
.header .nav_down_fanwei_fixd{
    position: fixed;
}
.nav_down_menu{
    width:100%;
    background: #fff;
    z-index: 51;
    overflow: hidden;
    transition: 0.3s;
    position: absolute;
}
.nav_down_menu0 {
    top: -80px;
}
.nav_down_menu1 {
    top: -210px;
    height: 210px;
}
.nav_down_menu2 {
    top: -430px;
    height: 430px;
}
.nav_down_menu3 {
    top: -340px;
    height: 340px;
}
.nav_down_menu4 {
    top: -80px;
}
.nav_down_menu5 {
    top: -80px;
}
.nav_down_menu6 {
    top: -80px;
}
.nav_down_menu7 {
    top: -210px;
    height: 210px;
}
/* 导航-新闻中心下拉 */
.nav_down_fanwei .xinwenzhongxin{
    width: 320px;
}

/* 导航-产品中心下拉 */
.nav-productsDown {
    height: 430px;
    background: linear-gradient(135deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
}
.nav-productsDown-con {
    position: relative;
    background: url(https://cdn1.idt.com.cn/images/icon_topnav_bgpic.png) no-repeat;
    background-position: right bottom;
}
.nav-productsDown-title {
    font-size: 16px;
    font-weight: 400;
    color: #191919;
    display: inline-block;
    z-index: 1;
    position: relative;
    margin-top: 30px;
    margin-left: 70px;
    float: left;
}
.nav-productsDown-title span {
    width: 32px;
    height: 4px;
    background: #2357CE;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: -1;
}
.nav-productsDown-subtitle{
  width: 350px;
  height: 26px;
  float: left;
  margin-top: 29px;
  margin-left: 70px;
}
.nav-productsDown-subtitle-left{
  width: 230px;
  height: 26px;
  font-size: 14px;
  color: #666666;
  line-height: 26px;
  float: left;
}
.nav-productsDown-subtitle-right{
  float: right;
  height: 26px;
  width: 120px;
  display: block;
}
.nav-productsDown-subtitle-img2{
  float: right;
  margin-top: 4px;
}
.nav-productsDown-subtitle-right span{
  float: right;
  display: block;
  line-height: 26px;
  height: 26px;
  font-size: 14px;
  color: #2357CE;
  margin-right: 5px;
}
.nav-productsDown-subtitle-img1{
  float: right;
  margin-right: 5px;
  width: 20px;
  margin-top: 3px;
}
.nav-productsDown-left{
    width: 300px;
    float: left;
    margin-left: 70px;
}
.nav-productsDown-slide {
    width: 300px;
    margin-top: 15px;
    float: left;
}
.nav-productsDown-slide h1 {
    font-size: 14px;
    font-weight: bold;
    color: #191919;
    margin-bottom: 5px;
}
.nav-productsDown-slide a li {
    font-size: 14px;
    line-height: 25px;
    font-weight: 400;
    color: #191919;
}
.nav-productsDown-slide a li span {
    width: 28px;
    height: 12px;
    background: url(https://cdn1.idt.com.cn/images/icon_hot.png) no-repeat;
    background-size: 100% 100%;
    display: inline-block;
}

/* 导航-解决方案下拉 */
.nav-solutionDown {
    height: 340px;
    background: linear-gradient(135deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
}
.nav-solutionDown-con {
    position: relative;
}
.nav-solutionDown-title {
    font-size: 16px;
    font-weight: 400;
    color: #191919;
    display: inline-block;
    z-index: 1;
    position: relative;
    margin-top: 30px;
    margin-left: 70px;
}
.nav-solutionDown-title span {
    width: 32px;
    height: 4px;
    background: #2357CE;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: -1;
}
.nav-solutionDown-warp{
    padding: 30px 70px;
}
.nav-solutionDown-items {
    width: 240px;
    height: 90px;
    background: linear-gradient(360deg, #FFFFFF 0%, #F2F5FC 100%);
    box-shadow: 0px 3px 6px rgba(35, 87, 206, 0.1);
    border-radius: 6px;
    position: relative;
    float: left;
    margin-right: 33px;
    margin-bottom: 40px;
}
.nav-solutionDown-items:nth-child(4n){
    margin-right: 0;
}
.nav-solutionDown-items img {
    position: absolute;
    right: -12px;
    top: -7px;
}
.nav-solutionDown-contit {
    margin-left: 20px;
    padding-top: 20px;
    font-size: 16px;
    font-weight: 400;
    color: #191919;
}
.nav-solutionDown-consubtit {
    margin-left: 20px;
    margin-top: 8px;
    width: 210px;
    font-size: 14px;
    font-weight: 400;
    color: #999999;
}

/* 搜索 */
.search{
    float: right;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.14);
    margin-left: 30px;
    transition: 0.3s;
    overflow: hidden;
    position: relative;
}
.search_click{
    width: 100%;
    height: 100%;
    cursor: pointer;
    position: absolute;
    left: 0;
    top: 0;
}
.top_white .search{
    background: #F2F6FD;
}
#top .search_click{
    display: none;
}
.search_img1,.search_img2{
    float: left;
    margin-top: 31px;
    margin-left: 29px;
}
.search_img2,.search_img3,.search_img4{
    display: none;
}
.top_white .search_img1{
    display: none;
}
.top_white .search_img2{
    display: block;
}
#top .search{
    width: 400px;
    height: 40px;
    background: #F8F8F8;
    border: 1px solid #EFEFEF;
    border-radius: 4px;
    margin-top: 20px;
    margin-right: 420px;
    overflow: visible;
}
#top {
    background: #FFFFFF;
    box-shadow: 0px 10px 20px rgba(35, 87, 206, 0.1);
}
#top .search_img1,#top .search_img2{
    display: none;
}
#top .search_img3,#top .search_img4{
    display: block;
}
#top .search_img3{
    float: left;
    margin-top: 9px;
    margin-left: 10px;
}
#top .search_img4{
    float: right;
    margin-top: 9px;
    margin-left: 20px;
    cursor: pointer;
}
.search_input{
    display: none;
    outline: none;
    line-height: 40px;
    text-indent: 10px;
    float: left;
    color: #999999;
    font-size: 14px;
    width: 320px;
    height: 40px;
    background: none;
}
.search_buttpn{
    display: none;
    width: 60px;
    height: 40px;
    background: #2357CE;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    color: #fff;
    font-size: 14px;
    text-align: center;
    position: absolute;
    left: 410px;
    top: 0;
}
#top .search_buttpn,#top .search_input{
    display: block;
}
/*侧边栏*/
.cebian{
    position: fixed;
    right: 0;
    bottom: 30%;
    width: 70px;
    height: 320px;
    z-index: 999999;
}
.cebian_slide{
    width: 70px;
    height: 70px;
    background: #2357CE;
    float: left;
    position: relative;
    margin-top: 0;
    margin-left: 0;
    border-radius: 4px;
    display: block;
    cursor: pointer;
    margin-top: 8px;
}
.cebian_slide:hover{
    background: #1C45A2;
}
.cebian_slide img{
    width: 30px;
    height: 30px;
    float: left;
    margin-top: 10px;
    margin-left: 20px;
}
.cebian_slide span{
	width: 100%;
	float: left;
	display: block;
	text-align: center;
	color: #fff;
	font-size: 12px;
	margin-top: 4px;
	height: 16px;
	line-height: 16px;
}
#gotop{
	display: none;
}
/*通用底部*/
.footer{
    width: 100%;
}
.foot{
    width: 100%;
    padding-top: 40px;
    padding-bottom: 30px;
}
.foot_slide{
    width:180px;
    float: left;
}
.foot_title{
    width: 100%;
    font-size:19px;
    height:50px;
    line-height:50px;
    color:#000000;
    text-align:left;
}
.foot_slide ul{
    width: 100%;
}
.foot_slide ul li{
    height:30px;
    width: 100%;
}
.foot_slide ul li a{
    display: block;
    width: 100%;
    height: 100%;
    font-size:15px;
    line-height: 30px;
    color:#6f6e6e;
    text-align:left;
}
.foot_weixin{
    float: right;
    width: 150px;
}
.foot_weixin span{
    width: 100%;
    display: block;
    font-size:19px;
    height:50px;
    line-height:50px;
    color:#000000;
    text-align: left;
    text-indent: 9px;
    padding-top: 5px;
}
.foot img{
    width:144px;
    height:145px;
}
.bottom{
    width: 100%;
}
.bottom_beian{
    padding-top:27px;
    margin: 0 auto;
    height:115px;
    line-height:32px;
    font-size:15px;
    text-align:center;
    color:#fff;
    background-color:#2b2b2b;
}
/*二级侧边栏*/

.cat {
    width: 170px;
    position: absolute;
    z-index: 999;
    left: 50%;
    margin-left: -800px;
    top: 60px;
}
.cat_top{
    width: 170px;
}
.cat_sanjiao{
    width: 20px;
    height: 20px;
    float: left;
    border-right: 10px solid #2357CE;
    border-bottom: 10px solid #2357CE;
    border-top: 10px solid transparent;
    border-left: 10px solid transparent;
}
.cat_top_heng{
    float: right;
    width: 150px;
    height: 20px;
    background: #2357CE;
}
.cat_title{
    width: 100%;
    height: 76px;
    background: #2357CE;
    float: left;
    position: relative;
}
.cat_yingwen{
    width: 120px;
    height: 29px;
    font-size: 24px;
    font-family: Calibri;
    line-height: 29px;
    color: #4577E9;
    text-align: right;
    float: right;
    margin-right: 34px;
    font-style: italic;
    letter-spacing: 2px;
}
.cat_zhongwen{
    width: 120px;
    height: 21px;
    font-size: 16px;
    font-weight: bold;
    line-height: 21px;
    color: #FFFFFF;
    text-align: right;
    position: absolute;
    top: 16px;
    right: 34px;
}
.cat_bottom{
    width: 170px;
}
.cat_bottom_zhan{
    width: 100%;
    height: 20px;
    background: #2357CE;
    float: left;
    position: relative;
}
.cat_bottom_sanjiao{
    width: 20px;
    height: 20px;
    float: right;
    border-left: 10px solid #2357CE;
    border-top: 10px solid #2357CE;
    border-bottom: 10px solid transparent;
    border-right: 10px solid transparent;
}
.cat_bottom_heng{
    float: left;
    width: 150px;
    height: 20px;
    background: #2357CE;
}
.cat_bottom_zhan{
    width: 100%;
    height: 30px;
    background: #2357CE;
    float: left;
    position: relative;
}
.cat_list {
    float: left;
    width: 100%;
    background: #2357CE;
    min-height: 200px;
}
.cat_slide{
    width: 170px;
    height: 40px;
    float: left;
    position: relative;
}
.cat_a1{
    width: 130px;
    height: 40px;
    display: block;
    float: right;
    margin-right: 30px;
    background-position: center top;
    background-repeat: no-repeat;
}
.cat_a1 span{
    display: block;
    float: right;
    width: 110px;
    margin-right: 20px;
    height: 40px;
    line-height: 40px;
    text-align: right;
    color: #fff;
    font-size: 16px;
}
.cat_slide_selected .cat_a1{
    background: url(https://cdn1.idt.com.cn/images/catbg01.jpg);
}
.cat_slide:hover .cat_a1{
    background: url(https://cdn1.idt.com.cn/images/catbg01.jpg);
}
.cat_slide:hover .cat_sub{
    display: block;
}
.cat_sub{
    display: none;
    width: 400px;
    position: absolute;
    z-index: 998;
    top: 0;
    left: 170px;
    background: #F6F6F6;
    box-shadow: 0px 3px 6px rgba(35, 87, 206, 0.1);
    border-radius: 2px;
    min-height: 180px;
}
.cat_sub_wrap{
    width: 100%;
    min-height: 180px;
    background: url("https://cdn1.idt.com.cn/images/catbg02.png") no-repeat;
    background-position: right bottom;
}
.cat_sub ul{
    width: 370px;
    float: left;
    margin-left: 30px;
    margin-top: 20px;
}
.cat_sub ul li{
    width: 100%;
    height: 35px;
}
.cat_sub ul li img{
    display: none;
}
.cat_sub ul li .cat_sub_img{
    display: block;
    float: left;
    margin-top: 13px;
}
.cat_sub ul li a{
    display: block;
    width: 350px;
    height: 35px;
    line-height: 35px;
    float: left;
    color: #191919;
    font-size: 16px;
    margin-left: 6px;
}
.cat_sub ul li a:hover{
    color: #2357CE;
}

.im{
  width: 450px;
  height: 500px;
  position: fixed;
  right: 90px;
  bottom: 20px;
  border-radius: 8px;
  box-shadow: 0px 0px 4px 1px rgba(0,0,0,0.23);
  background: #fff;
  display: none;
  transition: 0.2s;
  z-index: 999999;
}
.im_top{
  width: 100%;
  height: 50px;
  background: linear-gradient( 90deg, #2357CE 0%, #2C63CC 100%);
  border-radius: 8px 8px 0px 0px;
  box-shadow: 0px 0px 4px 1px rgba(0,0,0,0.16);
}
.im_top span{
  font-size: 14px;
  float: left;
  height: 50px;
  line-height: 50px;
  margin-left: 20px;
  color: #fff;
}
.im_guanbi{
  float: right;
  width: 50px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  cursor: pointer;
}
.im_guanbi img{
  width: 15px;
  height: auto;
}
.im_zuixiaohua{
  float: right;
  width: 30px;
  height: 50px;
  line-height: 50px;
  text-align: right;
  cursor: pointer;
}
.im_zuixiaohua img{
  width: 16px;
  height: auto;
}
.im_zuidahua{
  display: none;
  float: right;
  width: 30px;
  height: 50px;
  line-height: 50px;
  text-align: right;
  cursor: pointer;
}
.im_zuidahua img{
  width: 16px;
  height: auto;
}
.im_win{
  width: 100%;
}
.im_xiaoxi{
  width: 100%;
  height: 300px;
  overflow: hidden;
}
.im_xiaoxi_guding{
  width: 390px;
  line-height: 30px;
  background: #FFFFFF;
  border-radius: 5px;
  border: 1px solid #E6E6E6;
  float: left;
  margin-left: 20px;
  margin-top: 18px;
  font-size: 14px;
  color: #666666;
  padding-left: 10px;
}
.im_xiaoxi_guding a:hover b{
  text-decoration: underline;
}
.online{
  display: none;
}
.im_xiaoxi_guding .online{
  color: green;
  display: none;
}
.im_xiaoxi_guding .notonline{
  display: none;
}
.im_xiaoxi_guding b.notonline{
  color: red;
}
.im_xiaoxi_guding .notonline b{
  color: blue;
}
.im_duihua{
  width: 440px;
  height: 220px;
  overflow-y: auto;
  float: left;
  margin-top: 20px;
  margin-left: 10px;
}
.im_slide{
  width: 100%;
  float: left;
  margin-bottom: 15px;
}
.im_slide .im_slide_top{
  width: 100%;
  height: 26px;
  float: left;
}
.im_slide_top img{
  height: 26px;
  width: auto;
}
.im_slide1 .im_slide_top img{
  float: left;
}
.im_slide2 .im_slide_top img{
  float: right;
  margin-right: 5px;
}
.im_slide_top span{
  display: block;
  height: 26px;
  font-size: 14px;
  color: #999999;
  line-height: 26px;
}
.im_slide1 .im_slide_top span{
  float: left;
  margin-left: 8px;
}
.im_slide2 .im_slide_top span{
  float: right;
  margin-right: 8px;
}
.im_slide_p{
  min-width: 100px;
  max-width: 240px;
  padding: 10px;
  font-size: 14px;
  line-height: 26px;
}
.im_slide1 .im_slide_p{
  float: left;
  margin-top: 8px;
  margin-left: 8px;
  background: rgba(230, 230, 230, .5);
  color: #193C87;
  border-radius: 0px 8px 8px 8px;
}
.im_slide2 .im_slide_p{
  float: right;
  margin-right: 13px;
  margin-top: 8px;
  background: rgba(169, 197, 243, .5);
  color: #3D3D3D;
  border-radius: 8px 0px 8px 8px;
}
.im_button{
  width: 100%;
  height: 30px;
  background: #EFF2F7;
}
.im_input{
  width: 100%;
  height: 80px;
  overflow: hidden;
}
#input{
  width: 440px;
  height: 70px;
  float: left;
  margin-left: 10px;
  margin-top: 10px;
  resize:none;
}
.im_bottom{
  width: 100%;
  height: 40px;
}
.im_bottom span{
  height: 30px;
  line-height: 30px;
  display: block;
  float: left;
  margin-top: 5px;
  font-size: 12px;
  color: #999999;
  margin-left: 10px;
}
.im_sub{
  float: right;
  width: 65px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 14px;
  color: #fff;
  background: #2357CE;
  border-radius: 3px;
  margin-right: 10px;
  cursor: pointer;
}