body,
html {
  overflow-x: hidden;
  overflow-y: auto;
  font-size: 1rem;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body a,
html a {
  text-decoration: none;
}
body .header,
html .header {
  width: 100%;
  background: #f5f5f5;
  position: fixed;
  /* 切换导航栏变小 */
  /* .main-nav>ul>li{
    cursor:pointer;
  } */
}
body .header .nav,
html .header .nav {
  width: 84%;
  height: 72px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  white-space: nowrap;
}
@media (max-width: 1680px) {
  body .header .nav,
  html .header .nav {
    width: 72%;
  }
}
@media (max-width: 1280px) {
  body .header .nav,
  html .header .nav {
    width: 94%;
  }
}
@media (max-width: 768px) {
  body .header .nav,
  html .header .nav {
    width: 90%;
  }
}
@media (max-width: 375px) {
  body .header .nav,
  html .header .nav {
    height: 60px;
  }
}
body .header .nav .nav-left,
html .header .nav .nav-left {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
body .header .nav .nav-left .logo,
html .header .nav .nav-left .logo {
  margin-right: 104px;
  cursor: pointer;
}
@media (max-width: 1680px) {
  body .header .nav .nav-left .logo,
  html .header .nav .nav-left .logo {
    margin-right: 104px;
  }
}
@media (max-width: 1280px) {
  body .header .nav .nav-left .logo,
  html .header .nav .nav-left .logo {
    margin-right: 60px;
  }
}
@media (max-width: 768px) {
  body .header .nav .nav-left .logo,
  html .header .nav .nav-left .logo {
    margin-right: 48px;
  }
}
body .header .nav .nav-left .nav-top a:hover,
html .header .nav .nav-left .nav-top a:hover {
  color: #000;
  font-weight: bold;
}
@media (max-width: 577px) {
  body .header .nav .nav-left .nav-top,
  html .header .nav .nav-left .nav-top {
    display: none;
  }
}
body .header .nav .nav-left .nav-top .nav-top-content,
html .header .nav .nav-left .nav-top .nav-top-content {
  display: flex;
  justify-content: space-between;
}
body .header .nav .nav-left .nav-top a,
html .header .nav .nav-left .nav-top a {
  font-size: 16px;
  text-decoration: none;
  color: rgba(0, 0, 0, 0.45);
  cursor: pointer;
  margin-right: 32px;
}
body .header .nav .nav-left .nav-top a .active,
html .header .nav .nav-left .nav-top a .active {
  color: rgba(0, 0, 0, 0.85);
}
body .header .nav .nav-right,
html .header .nav .nav-right {
  justify-content: space-between;
  align-items: center;
}
@media (max-width: 768px) {
  body .header .nav .nav-right,
  html .header .nav .nav-right {
    display: none;
  }
}
body .header .nav .nav-right .nav-right-content,
html .header .nav .nav-right .nav-right-content {
  width: 96px;
  display: flex;
  justify-content: space-between;
}
body .header .nav .nav-right .nav-right-content a,
html .header .nav .nav-right .nav-right-content a {
  text-decoration: none;
  color: rgba(0, 0, 0, 0.85);
  font-weight: 400;
}
body .header .nav .nav-right .nav-right-content a .active,
html .header .nav .nav-right .nav-right-content a .active {
  color: #2390ff;
}
body .header .nav .nav-right .nav-right-content a:hover,
html .header .nav .nav-right .nav-right-content a:hover {
  color: #2390ff;
}
body .header .main-nav,
html .header .main-nav {
  height: calc(100vh - 48px);
  width: 100%;
  display: none;
  background: #f5f5f5;
  position: absolute;
}
@media (max-width: 561px) {
  body .header .main-nav,
  html .header .main-nav {
    display: none;
  }
}
body .header .main-nav a,
html .header .main-nav a {
  text-decoration: none;
  color: #000000;
}
body .header .main-nav_title,
html .header .main-nav_title {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  margin: 0 20px;
  font-size: 15px;
  font-weight: bold;
  display: flex;
  display: block\9;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}
body .header .main-nav_title > div,
html .header .main-nav_title > div {
  font-size: 15px;
  font-weight: bold;
}
body .header .main-nav_title > img,
html .header .main-nav_title > img {
  width: 24px;
  height: 24px;
}
body .header .main-nav > ul > li > ul > a,
html .header .main-nav > ul > li > ul > a {
  margin: 7px 20px;
  font-size: 13px;
  padding: 13px 0;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.75);
}
body .header .nav-show,
html .header .nav-show {
  display: none;
}
body .header .nav-tab,
html .header .nav-tab {
  width: 24px;
  height: 32px;
  position: absolute;
  top: 28px;
  right: 24px;
  display: none;
  cursor: pointer;
}
@media (max-width: 577px) {
  body .header .nav-tab,
  html .header .nav-tab {
    display: block;
  }
}
body .header .nav-tab .nav-tab-sub,
html .header .nav-tab .nav-tab-sub {
  display: flex;
  flex-direction: column;
}
body .header .nav-tab .nav-tab-sub .nav-tab-sub-tips,
html .header .nav-tab .nav-tab-sub .nav-tab-sub-tips {
  width: 24px;
  height: 3px;
  margin-bottom: 5px;
  background: #c4c4c4;
}
body .header .nav_tab_x,
html .header .nav_tab_x {
  display: none;
  width: 30px;
  height: 3px;
}
body .header .nav_tab_x:after,
html .header .nav_tab_x:after,
body .header .nav_tab_x:before,
html .header .nav_tab_x:before {
  position: absolute;
  top: 8px;
  content: "";
  display: block;
  width: 30px;
  height: 3px;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99999;
}
body .header .nav_tab_x:after,
html .header .nav_tab_x:after {
  transform: rotate(45deg);
}
body .header .nav_tab_x:before,
html .header .nav_tab_x:before {
  transform: rotate(-45deg);
}
body .main,
html .main {
  width: 100%;
  height: 100%;
  margin: 0 auto;
  margin-top: 72px;
}
body .main .main-top,
html .main .main-top {
  width: 100%;
  height: 700px;
  margin: 0 auto;
  display: flex;
}
@media (max-width: 1280px) {
  body .main .main-top,
  html .main .main-top {
    height: 560px;
  }
}
@media (max-width: 768px) {
  body .main .main-top,
  html .main .main-top {
    height: 580px;
  }
}
@media (max-width: 375px) {
  body .main .main-top,
  html .main .main-top {
    height: 507px;
  }
}
body .main .main-top .banner,
html .main .main-top .banner {
  width: 84%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  white-space: nowrap;
}
@media (max-width: 1680px) {
  body .main .main-top .banner,
  html .main .main-top .banner {
    width: 72%;
  }
}
@media (max-width: 1280px) {
  body .main .main-top .banner,
  html .main .main-top .banner {
    width: 94%;
  }
}
@media (max-width: 768px) {
  body .main .main-top .banner,
  html .main .main-top .banner {
    width: 90%;
  }
}
@media (max-width: 375px) {
  body .main .main-top .banner,
  html .main .main-top .banner {
    width: 91%;
  }
}
body .main .main-top .banner .banner-left,
html .main .main-top .banner .banner-left {
  width: 27%;
  display: flex;
  flex-direction: column;
  opacity: 1;
}
@media (max-width: 950px) {
  body .main .main-top .banner .banner-left,
  html .main .main-top .banner .banner-left {
    align-items: center;
    width: 1200px;
  }
}
@media (max-width: 768px) {
  body .main .main-top .banner .banner-left,
  html .main .main-top .banner .banner-left {
    align-items: center;
    width: 1200px;
  }
}
@media (max-width: 375px) {
  body .main .main-top .banner .banner-left,
  html .main .main-top .banner .banner-left {
    align-items: center;
  }
}
body .main .main-top .banner .banner-left .banner-left-title p,
html .main .main-top .banner .banner-left .banner-left-title p {
  font-size: 40px;
  color: rgba(0, 0, 0, 0.85);
  font-weight: 700;
}
@media (max-width: 390px) {
  body .main .main-top .banner .banner-left .banner-left-title p,
  html .main .main-top .banner .banner-left .banner-left-title p {
    font-size: 32px;
  }
}
@media (max-width: 280px) {
  body .main .main-top .banner .banner-left .banner-left-title p,
  html .main .main-top .banner .banner-left .banner-left-title p {
    font-size: 24px;
  }
}
body .main .main-top .banner .banner-left .banner-left-text p,
html .main .main-top .banner .banner-left .banner-left-text p {
  font-size: 32px;
  color: rgba(0, 0, 0, 0.65);
  font-weight: 400;
  margin-top: 16px;
}
@media (max-width: 390px) {
  body .main .main-top .banner .banner-left .banner-left-text p,
  html .main .main-top .banner .banner-left .banner-left-text p {
    font-size: 24px;
  }
}
body .main .main-top .banner .banner-left .banner-left-img,
html .main .main-top .banner .banner-left .banner-left-img {
  display: flex;
  flex-direction: row;
  margin-top: 56px;
  margin-right: 15px;
}
@media (max-width: 390px) {
  body .main .main-top .banner .banner-left .banner-left-img p,
  html .main .main-top .banner .banner-left .banner-left-img p {
    font-size: 16px;
  }
}
body .main .main-top .banner .banner-left-img img,
html .main .main-top .banner .banner-left-img img,
body .main .main-top .banner .banner-left-imgs img,
html .main .main-top .banner .banner-left-imgs img {
  padding-right: 16px;
}
body .main .main-top .banner .banner-left-imgs,
html .main .main-top .banner .banner-left-imgs {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-top: 16px;
}
body .main .main-top .banner .banner-left-btn,
html .main .main-top .banner .banner-left-btn {
  display: flex;
  justify-content: flex-start;
  margin-top: 32px;
}
@media (max-width: 420px) {
  body .main .main-top .banner .banner-left-btn,
  html .main .main-top .banner .banner-left-btn {
    display: flex;
    flex-direction: column;
  }
}
body .main .main-top .banner .banner-left-btn .banner-left-btn-use,
html .main .main-top .banner .banner-left-btn .banner-left-btn-use {
  background: #2390ff;
  color: #fff;
  padding: 11px 60px;
  border-radius: 2px;
  margin-right: 16px;
}
@media (max-width: 420px) {
  body .main .main-top .banner .banner-left-btn .banner-left-btn-use,
  html .main .main-top .banner .banner-left-btn .banner-left-btn-use {
    margin-bottom: 12px;
    margin-right: 0px;
    padding: 11px 107px;
  }
}
body .main .main-top .banner .banner-left-btn .banner-left-btn-video,
html .main .main-top .banner .banner-left-btn .banner-left-btn-video {
  background: #ffffff;
  color: rgba(0, 0, 0, 0.85);
  border: 1px solid #000000;
  padding: 11px 60px;
  border-radius: 3px;
}
@media (max-width: 420px) {
  body .main .main-top .banner .banner-left-btn .banner-left-btn-video,
  html .main .main-top .banner .banner-left-btn .banner-left-btn-video {
    padding: 11px 107px;
  }
}
body .main-top:before,
html .main-top:before {
  width: 100%;
  height: 700px;
  background: url("../images/bg.png") no-repeat;
  background-position: right;
  position: relative;
  content: "";
  position: absolute;
  z-index: -1;
}
@media (max-width: 950px) {
  body .main-top:before,
  html .main-top:before {
    opacity: 0.1;
  }
}
.content {
  width: 100%;
  height: 100%;
  background: #f7f8fb;
  box-sizing: border-box;
}
.content .content-sub {
  width: 84%;
  padding: 48px 0px 66px 0px;
  margin: 0 auto;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
@media (max-width: 1680px) {
  .content .content-sub {
    justify-content: center;
    width: 72%;
  }
}
@media (max-width: 1280px) {
  .content .content-sub {
    width: 96%;
  }
}
@media (max-width: 950px) {
  .content .content-sub {
    flex-wrap: wrap;
    padding: 12px 0px;
  }
}
@media (max-width: 768px) {
  .content .content-sub {
    flex-wrap: wrap;
    margin: 0 auto;
    padding: 12px 0px;
  }
}
@media (max-width: 648px) {
  .content .content-sub {
    margin: 0 auto;
    width: 100%;
  }
}
@media (max-width: 640px) {
  .content .content-sub {
    height: 904px;
  }
}
@media (max-width: 375px) {
  .content .content-sub {
    width: 88%;
    height: 904px;
    margin: 0 auto;
    flex-wrap: wrap;
  }
}
.content .content-sub .content-sub-title {
  width: 323px;
  height: 194px;
  background: #fff;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
  -webkit-align-items: center;
  box-align: center;
  -moz-box-align: center;
  -webkit-box-align: center;
  padding: 16px 16px;
  box-sizing: border-box;
  margin: 0px 16px;
}
@media (max-width: 1680px) {
  .content .content-sub .content-sub-title {
    width: 281px;
    height: 194px;
  }
}
@media (max-width: 1280px) {
  .content .content-sub .content-sub-title {
    width: 281px;
    height: 194px;
  }
}
@media (max-width: 950px) {
  .content .content-sub .content-sub-title {
    margin: 12.5px 12.5px;
    box-sizing: border-box;
  }
}
@media (max-width: 768px) {
  .content .content-sub .content-sub-title {
    width: 332px;
    height: 194px;
    word-wrap: break-word;
  }
}
.content .content-sub .content-sub-title span {
  text-align: left;
  padding-top: 32px;
  font-size: 20px;
  font-family: Source Han Sans CN, Source Han Sans CN-Bold;
  font-weight: 700;
  color: rgba(0, 0, 0, 0.85);
  padding-bottom: 12px;
  white-space: nowrap;
}
@media (max-width: 768px) {
  .content .content-sub .content-sub-title span {
    word-wrap: break-word;
  }
}
.content .content-sub .content-sub-title p {
  font-size: 14px;
  font-family: Source Han Sans CN, Source Han Sans CN-Regular;
  font-weight: 400;
  text-align: CENTER;
  color: rgba(0, 0, 0, 0.65);
  line-height: 20px;
}
.content .content-img {
  width: 96px;
  height: 96px;
  text-align: center;
  line-height: 16px;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  float: right;
  border-radius: 8px;
  box-shadow: 0px 2px 12px 0px rgba(55, 128, 255, 0.1);
  position: absolute;
  right: 62px;
  top: 741px;
}
@media (max-width: 1850px) {
  .content .content-img {
    display: none;
  }
}
.content .content-img p {
  font-size: 14px;
  font-family: Source Han Sans CN, Source Han Sans CN-Regular;
  font-weight: 400;
  text-align: CENTER;
  color: #000000;
  padding-top: 8px;
}
article .list {
  width: 100%;
  height: 100%;
  display: flex;
  background: #fff;
  box-sizing: border-box;
  align-items: center;
}
article .list .list-sub {
  width: 46%;
  height: 440px;
  margin: 0 auto;
  overflow: hidden;
}
@media (max-width: 1680px) {
  article .list .list-sub {
    width: 52%;
  }
}
@media (max-width: 1280px) {
  article .list .list-sub {
    width: 68%;
  }
}
@media (max-width: 950px) {
  article .list .list-sub {
    width: 80%;
  }
}
@media (max-width: 768px) {
  article .list .list-sub {
    width: 90%;
  }
}
@media (max-width: 640px) {
  article .list .list-sub {
    height: 600px;
  }
}
@media (max-width: 420px) {
  article .list .list-sub {
    width: 88%;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
  }
}
article .list .list-sub .list-sub-tips {
  height: 540px;
  display: flex;
  justify-content: space-between;
  z-index: -9;
  word-wrap: break-word;
}
@media (max-width: 950px) {
}
@media (max-width: 832px) {
}
@media (max-width: 640px) {
  article .list .list-sub .list-sub-tips {
    display: flex;
    flex-direction: column;
    margin: 0 auto;
    padding-top: 36px;
    height: 560px;
  }
}
article .list .list-sub .list-sub-tips .list-sub-title {
  width: 368px;
  display: flex;
  flex-direction: column;
  margin-top: 146px;
  word-wrap: break-word;
}
@media (max-width: 1280px) {
  article .list .list-sub .list-sub-tips .list-sub-title {
    margin-right: 20px;
  }
}
@media (max-width: 845px) {
  article .list .list-sub .list-sub-tips .list-sub-title {
    display: flex;
    flex-direction: column;
  }
}
@media (max-width: 768px) {
  article .list .list-sub .list-sub-tips .list-sub-title {
    margin-right: 32px;
  }
}
@media (max-width: 640px) {
  article .list .list-sub .list-sub-tips .list-sub-title {
    margin-top: 0px;
    margin-right: 0px;
    margin: 0 auto;
  }
}
@media (max-width: 430px) {
  article .list .list-sub .list-sub-tips .list-sub-title {
    display: flex;
    flex-wrap: wrap;
    width: 88%;
  }
}
article .list .list-sub .list-sub-tips .list-sub-title span {
  font-size: 28px;
  font-family: Source Han Sans CN, Source Han Sans CN-Bold;
  font-weight: 700;
  text-align: LEFT;
  color: #000000;
  white-space: nowrap;
}
@media (max-width: 820px) {
  article .list .list-sub .list-sub-tips .list-sub-title span {
    font-size: 22px;
  }
}
@media (max-width: 640px) {
  article .list .list-sub .list-sub-tips .list-sub-title span {
    text-align: center;
  }
}
@media (max-width: 375px) {
  article .list .list-sub .list-sub-tips .list-sub-title span {
    font-size: 22px;
  }
}
article .list .list-sub .list-sub-tips .list-sub-title p {
  width: 100%;
  font-size: 16px;
  font-family: Source Han Sans CN, Source Han Sans CN-Regular;
  font-weight: 400;
  text-align: LEFT;
  color: rgba(0, 0, 0, 0.65);
  margin-top: 15px;
}
@media (max-width: 820px) {
  article .list .list-sub .list-sub-tips .list-sub-title p {
    font-size: 14px;
  }
}
@media (max-width: 375px) {
  article .list .list-sub .list-sub-tips .list-sub-title p {
    font-size: 14px;
  }
}
article .list .list-sub .list-sub-tips .list-sub-img {
  padding-top: 72px;
}
@media (max-width: 950px) {
}
@media (max-width: 640px) {
  article .list .list-sub .list-sub-tips .list-sub-img {
    margin: 0 auto;
  }
}
@media (max-width: 640px) {
  article .list .list-sub .list-sub-tips .list-sub-img {
    padding-top: 42px;
  }
}
@media (max-width: 430px) {
  article .list .list-sub .list-sub-tips .list-sub-img img {
    width: 100%;
  }
}
article .lists {
  width: 100%;
  height: 100%;
  display: flex;
  background: #f5f5f5;
  align-items: center;
}
article .lists .lists-sub {
  width: 46%;
  height: 440px;
  margin: 0 auto;
  overflow: hidden;
}
@media (max-width: 1680px) {
  article .lists .lists-sub {
    width: 52%;
  }
}
@media (max-width: 1280px) {
  article .lists .lists-sub {
    width: 68%;
  }
}
@media (max-width: 950px) {
  article .lists .lists-sub {
    width: 80%;
  }
}
@media (max-width: 768px) {
  article .lists .lists-sub {
    width: 90%;
  }
}
@media (max-width: 640px) {
  article .lists .lists-sub {
    padding-top: 36px;
    height: 600px;
  }
}
@media (max-width: 430px) {
  article .lists .lists-sub {
    width: 88%;
    flex-wrap: wrap;
    align-items: center;
    padding-top: 36px;
  }
}
article .lists .lists-sub .lists-sub-tips {
  display: flex;
  justify-content: space-between;
  z-index: -9;
}
@media (max-width: 845px) {
  article .lists .lists-sub .lists-sub-tips {
    display: flex;
  }
}
@media (max-width: 832px) {
  article .lists .lists-sub .lists-sub-tips {
    padding-top: 0px;
  }
}
@media (max-width: 640px) {
  article .lists .lists-sub .lists-sub-tips {
    display: flex;
    flex-direction: column-reverse;
  }
}
article .lists .lists-sub .lists-sub-tips .lists-sub-img {
  padding-top: 71px;
}
@media (max-width: 1680px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-img {
    margin-right: 20px;
  }
}
@media (max-width: 832px) {
}
@media (max-width: 640px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-img {
    padding-top: 42px;
    margin: 0 auto;
  }
}
@media (max-width: 430px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-img img {
    width: 100%;
  }
}
article .lists .lists-sub .lists-sub-tips .lists-sub-title {
  width: 368px;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  margin-top: 146px;
  word-wrap: break-word;
}
@media (max-width: 840px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-title {
    margin-left: 16px;
  }
}
@media (max-width: 640px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-title {
    margin-left: 0px;
    margin-top: 0px;
    margin: 0 auto;
  }
}
@media (max-width: 430px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-title {
    width: 88%;
  }
}
article .lists .lists-sub .lists-sub-tips .lists-sub-title span {
  width: 100%;
  font-size: 28px;
  font-family: Source Han Sans CN, Source Han Sans CN-Bold;
  font-weight: 700;
  color: #000000;
  white-space: nowrap;
}
@media (max-width: 820px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-title span {
    font-size: 22px;
  }
}
@media (max-width: 640px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-title span {
    text-align: center;
  }
}
@media (max-width: 375px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-title span {
    font-size: 22px;
    text-align: center;
  }
}
article .lists .lists-sub .lists-sub-tips .lists-sub-title p {
  font-size: 16px;
  font-family: Source Han Sans CN, Source Han Sans CN-Regular;
  font-weight: 400;
  text-align: LEFT;
  color: rgba(0, 0, 0, 0.65);
  word-wrap: break-word;
  margin-top: 15px;
}
@media (max-width: 820px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-title p {
    font-size: 14px;
  }
}
@media (max-width: 375px) {
  article .lists .lists-sub .lists-sub-tips .lists-sub-title p {
    font-size: 14px;
    padding-bottom: 16px;
  }
}
article .lists .lists-sub .lists-sub-tips .list1-one-tu {
  padding-top: 64px;
}
.boxbtn {
  width: 100%;
  height: 100%;
  display: flex;
  margin: 0 auto;
  background: url("../images/img.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
.boxbtn .boxbtn-title {
  width: 1600px;
  height: 290px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}
@media (max-width: 1680px) {
  .boxbtn .boxbtn-title {
    width: 1200px;
  }
}
@media (max-width: 1280px) {
  .boxbtn .boxbtn-title {
    width: 1200px;
  }
}
.boxbtn .boxbtn-title h3 {
  font-size: 24px;
  font-family: Source Han Sans CN, Source Han Sans CN-Bold;
  font-weight: 700;
  text-align: CENTER;
  color: #ffffff;
  margin-bottom: 23px;
}
.boxbtn .boxbtn-title p {
  background: #ff9b15;
  color: #ffffff;
  text-align: center;
  padding: 11px 72px;
  border-radius: 3px;
  cursor: pointer;
}