.box {
    overflow:hidden;
}
/* 内容样式 */
.content {
  width: 100%;
  overflow: hidden;
}
@font-face {
  font-family:'DIN' ;
  src: url(../DIN/DIN.ttf);
}
.title {
  width: 100%;
  height: 38vw;
  background: url('../images/product/header.png') no-repeat;
  background-size: 100% 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  
font-size: 48px;
font-weight: 600;
color: #FFFFFF;
line-height: 44px;
text-shadow: 0px 2px 25px rgba(0, 0, 0, 0.28);
}

section nav {
  width: calc(100% - 248px);
  height: 6.25vw;
  background-color: #fff;
  margin: auto;
  display: flex;
  justify-content: center;
  margin-top: -76px;
  box-shadow: 0px 2px 25px rgba(0, 0, 0, 0.28);
}
section nav a {
  width: 100%;
  height: 6.25vw;
  text-align: center;
  line-height: 6.25vw;
  font-weight: 600;
  color: #666666;
  font-size: 18px;
  background-color: #fff;
  cursor: pointer;
}

section nav a:hover,
.active {
  color: #fff;
  background-color: #f4a200;
}

.contentData,
.open {
  width: calc(100% - 248px);
  margin: auto;
  margin-top: 88px;
  overflow: hidden;
}

.contentData h3,
.content_type h3,
.content_advantage h3,
.open h2 {
  font-weight: 600;
  color: #333333;
  font-size: 36px;
  line-height: 50px;
}

.contentData p {
  width: 80px;
  height: 2px;
  background: #f4a200;
  margin-top: 24px;
}

.contentData h6 {
  color: #333333;
  line-height: 24px;
  font-size: 16px;
  margin-top: 26px;
}

.advantage {
  margin-top: 100px;
}

.advantage4 {
  width: 100%;
}
.advantage4 h2 {
  width: calc(100% - 248px);
  margin: auto;
  margin-bottom: 60px;
  font-weight: 600;
  color: #111111;
  font-size: 36px;
  margin-top: 100px;
}
.advantage4 .advantage_background {
  width: 100vw;
  height: 25vw;
  background: url('../images/serve/advantage.png');
  display: flex;
  justify-content: center;
}
.advantage4 .advantage_background ul {
  width: 1673px;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.advantage4 .advantage_background ul li {
  width: 270px;
  height: 270px;
  border-radius: 50%;
  border: 2px solid #6699ee38;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
}

.advantage4 .advantage_background ul li div {
  width: 230px;
  height: 230px;
  border-radius: 50%;
  border: 2px solid #6699ee;
  box-sizing: border-box;
  text-align: center;
  line-height: 230px;
  color: #fff;
  font-size: 22px;
  font-weight: bold;
}

.content_ul {
  margin: auto;
  margin-top: 80px;
  width: 1320px;
  box-sizing: border-box;
}

.content_ul > li {
  width: 100%;
  height: 420px;
  margin-bottom: 120px;
}

.content_ul > li img {
margin-top: 26px;
height:420px;
  float: left;
}
.content_ul > li div {
  width: 44%;
  height: 420px;
  float: right;
}

.content_ul > li:nth-child(odd) img {
  float: right;
}
.content_ul > li:nth-child(odd) div {
  float: left;
}
.content_ul > li div h4 {
  font-weight: 600;
  color: #333333;
  font-size: 24px;
  margin-top: 26px;
}
.content_ul_ul1 {
  margin-top: 26px;
  overflow: hidden;
}
.content_ul_ul1 li {
  font-weight: 400;
  color: #666666;
  font-size: 18px;
  list-style: disc;
  float: left;
  margin-right: 43px;
  margin-left: 19px;
}

.content_ul_ul1 li::marker {
  width: 8px;
  height: 8px;
  color: #f4a200;
}

.content_ul_ul2 {
  margin-top: 52px;
  overflow: hidden;
}

.content_ul_ul2 li {
  font-weight: 400;
  color: #999999;
  font-size: 14px;
  margin-top: 10px;
  margin-bottom: 29px;
}
.content_ul_ul2 li h6 {
  font-weight: 400;
  font-size: 14px;
  color: #666;
}

.detection_ul {
  margin-top: 26px;
  overflow: hidden;
}
.detection_ul li {
  list-style: disc;
  margin-left: 19px;
  font-weight: 400;
  color: #666666;
  font-size: 18px;
  margin-bottom: 26px;
}

.detection_ul li::marker {
  width: 8px;
  height: 8px;
  color: #f4a200;
}
.h4_2 {
  margin-top: 47px !important;
}
.h4_3 {
  margin-top: 60px !important;
}
.content_ul_li3 h5 {
  font-weight: 400;
  color: #666666;
  font-size: 18px;
  margin-top: 26px;
}
.content_ul_li3 ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 26px;
}
.content_ul_li3 ul li {
  width: 46%;
  list-style: disc;
  font-weight: 400;
  color: #666666;
  font-size: 18px;
  margin-bottom: 26px;
  margin-left: 25px;
}
.content_ul_li3 ul li::marker {
  width: 8px;
  height: 8px;
  color: #f4a200;
}

.partner {
  width: 100vw;
  height: 500px;
  overflow: hidden;
  padding: 72px 0 0 0;
  box-sizing: border-box;
  background: #f6f7f6;
}
.partner h2 {
  font-weight: 600;
  color: #333333;
  font-size: 32px;
  text-align: center;
}
.partner ul {
  width: 1400px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin: auto;
  margin-top: 64px;
}
.partner ul li {
  margin-bottom: 96px;
  width: 245px;
  height: 50px;
  background: red;
}

.content_type,
.content_advantage {
  width: calc(100% - 248px);
  margin: auto;
  margin-top: 125px;
  overflow: hidden;
}
.content_advantage {
    margin-top: 50px;
}

.content_type ul {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.content_type ul li {
  width: 49%;
  margin-bottom: 52px;
}
.content_type ul li div {
  width: 100%;
  background: url('../images/serve/type1.png') no-repeat;
  background-size: 100% 100%!important;
  color: #fff;
  padding: 71px 80px 38px 40px;
  box-sizing: border-box;
}
.content_type ul li div h2 {
  font-weight: 600;
  font-size: 32px;
}
.content_type ul li div p {
  width: 60px;
  height: 4px;
  background: #ffffff;
  margin-top: 6px;
}
.content_type ul li div h4 {
  font-weight: 600;
  font-size: 16px;
  margin-top: 6px;
}
.content_type ul li > p {
  color: #666666;
  font-size: 14px;
  margin-left: 37px;
  line-height: 32px;
}

.content_advantage ul {
  margin-top: 85px;
  display: flex;
  flex-wrap: wrap;
}
.content_advantage ul li {
  width: 33%;
  height: 120px;
  box-sizing: border-box;
  margin-bottom: 44px;
  display: flex;
  align-items: center;
}
.content_advantage ul li >div {
    overflow:hidden;
}
.content_advantage ul li img {
  <!--float: left;-->
}
.content_advantage ul li .advantage_cont {
  width: 252px;
  overflow: hidden;
  float: left;
  margin-left: 52px;
}
.content_advantage ul li div h4 {
  font-weight: 600;
  color: #333333;
  font-size: 24px;
}
.content_advantage ul li div p {
  color: #333333;
  font-size: 18px;
  margin-top:16px;
  line-height:28px;
}

.open {
  margin-top: 80px;
}
.open h2,
.business .group h2 {
  color: #111111;
}
.open ul {
  margin-top: 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.open ul:last-of-type {
  margin-bottom: 200px;
}
.open ul li {
  width: 320px;
  height: 332px;
  background: url(../images/serve/1.png);
  background-size: 100% 100%;
  padding: 40px;
  box-sizing: border-box;
}
.open ul > img {
  width: 24px;
  height: 21px;
}
.open .personal,
.open .enterprise {
  font-weight: 600;
  color: #111111;
  font-size: 24px;
  margin-top: 43px;
}
.enterprise {
  margin-top: 98px !important;
}
.li_top {
  font-weight: 600;
  font-family:'DIN';
  font-size:48px;
  color: #111111;
  line-height: 50px;
  overflow:hidden;
}
.li_top > img {
  margin-top: 7px;
  margin-right: 12px;
  float:right;
}
.li_bom {
  margin-top: 88px;
}
.li_bom h4 {
  font-weight: 600;
  color: #111111;
  font-size: 24px;
  margin-bottom: 6px;
}
.li_bom h6 {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
}

.business {
  width: 100%;
  overflow: hidden;
  background: #f6f7f6;
  display: flex;
  justify-content: center;
  padding: 75px 0;
  box-sizing: border-box;
  margin-top: 100px;
}

.business h2 {
  width: 709px;
  height: 56px;
  line-height: 56px;
  text-align: center;
  font-size: 36px;
  font-weight: 600;
}

.business h6 {
  font-weight: 400;
  color: #666666;
  font-size: 18px;
  margin-top: 16px;
  text-align: center;
}

.business form {
  margin: auto;
  width: 564px;
  overflow: hidden;
  margin-top: 44px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.business form input {
  width: 564px;
  height: 56px;
  margin-bottom: 16px;
  border-radius: 8px;
  border: 1px solid #cccccc;
  background: #ffffff;
  padding: 0 30px;
  font-size: 18px;
  box-sizing: border-box;
}
input::-webkit-input-placeholder {
  font-size: 18px;
  font-weight: 400;
  color: #999999;
}
input::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  font-size: 18px;
  font-weight: 400;
  color: #999999;
}
input:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  font-size: 18px;
  font-weight: 400;
  color: #999999;
}
input:-ms-input-placeholder {
  /* Internet Explorer 10-11 */
  font-size: 18px;
  font-weight: 400;
  color: #999999;
}
.business form button {
  width: 240px;
  height: 54px;
  border: none;
  background: linear-gradient(270deg, #efaa20 0%, #f4a200 100%);
  border-radius: 8px;
  font-weight: 600;
  margin-top: 30px;
  color: #ffffff;
  font-size: 18px;
  cursor: pointer;
}

.serve_adv {
  width: 100%;
  overflow: hidden;
  display: flex;
  justify-content: space-between;
}
.serve_adv li {
  width: 32.4% !important;
  height: 27% !important;
  padding: 0 !important;
  flex-direction: column !important;
}
.serve_adv li img {
  width: 100% !important;
  height: auto !important;
}
.serve_adv li h5 {
  width: 543px !important;
  text-align: center;
  font-weight: 600;
  color: #333333;
  line-height: 110px;
  font-size: 24px;
  box-sizing: border-box;
}
.content_advantage3 {
  margin-bottom: 160px;
  margin-top: 66px;
}
/* 底部样式*/
footer {
  width: 100vw;
  height: 583px;
  background-color: #000;
  display: flex;
  justify-content: center;
}

.footer {
  width: calc(100% - 248px);
  height: 100%;
  display: flex;
  justify-content: space-between;
  padding-top: 80px;
  box-sizing: border-box;
  position: relative;
}
.footer_icon {
  width: 78px;
  height: 53px;
}

.footer_weibo,
.footer_vx {
  width: 52px;
  height: 52px;
}
.footer_ul {
  overflow: hidden;
}

.footer_ul h5 {
  font-weight: 400;
  color: #9f9f9f;
  line-height: 17px;
  font-size: 12px;
}
.footer_ul ul {
  margin-top: 20px;
}
.footer_ul ul li {
  font-weight: 400;
  line-height: 20px;
  color: #fff;
  font-size: 14px;
  margin-bottom: 24px;
}
.footer_ul ul li a {
  color: #fff;
}

.footer_ul h4 {
  color: #fff;
  margin-top: 14px;
}

.footer_ul_box .footer_ul {
  margin-bottom: 42px;
}

.footer_connect {
  width: 135px;
  display: flex;
  justify-content: space-between;
}

select {
  width: 120px;
  height: 32px;
  text-align: center;
  padding: 0 15px;
  box-sizing: border-box;
  background-color: #333;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
  font-size: 12px;
  border: none;
}

.bottom_layer {
  text-align: center;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
  font-size: 12px;
  position: absolute;
  bottom: 28px;
  left: 50%;
  margin-left: -200px;
}