body {
  font-size: 50px;
}
.bigBox {
  margin: 0;
  padding: 0;
}
header {
  position: relative;
  width: 100vw;
  height: 80px;
  padding: 0 40px;
  background: transparent !important;
  z-index: 200;
}
header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}
header nav .menu-button {
  position: relative;
  font-size: 33px;
  color: #fff;
  cursor: pointer;
}
header nav .logo_text {
  display: block;
  font-size: 24px;
  font-weight: 600;
  color: #e7e9ec;
}
header nav .nav_list ul {
  width: 630px;
  height: 100%;
  margin-bottom: 0;
  display: flex;
  justify-content: space-around;
}
header nav .nav_list ul li {
  float: left;
  font-size: 14px;
}
header nav .nav_list ul li a {
  color: #e7e9ec;
}
header nav .nav_list ul li a:hover {
  color: #e7e9ec;
}
header.sticky {
  position: fixed;
  top: 0;
  left: 0;
  background-color: #fff !important;
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.2);
  z-index: 200;
  animation: dropDown 0.5s ease-in-out forwards;
}
header.sticky nav .menu-button {
  font-size: 33px;
  color: #000;
}
header.sticky nav .logo_text,
header.sticky nav a {
  color: #000 !important;
}
header.bar_slide nav .logo_text {
  color: #000;
  z-index: 202;
}
header.bar_slide nav .menu-button {
  font-size: 33px;
  color: #000;
  z-index: 202;
}
header.bar_slide nav .nav_list {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 60vh;
  padding: 0 40px;
  background: #fff;
  opacity: 0;
  z-index: 201;
  animation: slideDown 0.6s ease-out forwards;
}
header.bar_slide nav .nav_list ul {
  float: right;
  width: 50vw;
  margin-right: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: flex-end;
  height: 100%;
}
header.bar_slide nav .nav_list ul li {
  font-size: 14px;
}
header.bar_slide nav .nav_list ul li a {
  text-align: center;
  color: #000;
}
header.bar_slide nav .nav_list ul li a:hover {
  color: #000;
}
@keyframes dropDown {
  from {
    transform: translateY(-100px);
  }
  to {
    transform: translateY(0);
  }
}
@keyframes slideDown {
  from {
    height: 0;
    opacity: 0;
  }
  to {
    height: 60vh;
    padding-top: 80px;
    opacity: 1;
  }
}
.slideBox {
  position: relative;
  margin-top: -80px;
}
.slideBox img {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
}
.slideBox .carousel-inner .first_img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.slideBox .carousel-inner .last_img {
  position: absolute;
  top: 50%;
  left: 20%;
  transform: translateY(-50%);
  text-align: left;
}
.slideBox .carousel-inner .first_img,
.slideBox .carousel-inner .last_img {
  width: 60vw;
}
.slideBox .carousel-inner .first_img h1,
.slideBox .carousel-inner .last_img h1 {
  font-size: 54px;
  font-weight: bold;
  color: #e7e9ec;
}
.slideBox .carousel-inner .first_img h3,
.slideBox .carousel-inner .last_img h3 {
  font-size: 24px;
  font-weight: bold;
  margin: 48px 0;
  color: #e7e9ec;
}
.slideBox .carousel-inner .first_img .explore-btn,
.slideBox .carousel-inner .last_img .explore-btn {
  padding: 14px 32px;
  font-size: 18px;
  outline: none;
  border: 0;
  border-radius: 5px;
  color: #e7e9ec;
  background-color: #ff434f;
}
.slideBox .slide_to {
  font-size: 65px !important;
}
.slideBox .carousel-indicators {
  z-index: 60;
}
.slideBox .carousel-caption {
  z-index: 60;
}
.slideBox .carousel-control-prev,
.slideBox .carousel-control-next {
  z-index: 60;
}
.slideBox .backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 50;
}
.w {
  max-width: 1180px;
  margin: 0 auto;
}
.title {
  margin-top: 80px;
  position: relative;
  text-align: center;
}
.title h1 {
  font-size: 34px;
  font-weight: bold;
  color: #000;
}
.title h1::after {
  content: "";
  display: block;
  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  height: 3px;
  width: 110px;
  background-color: #ff434f;
}
.title p {
  margin: 50px 0 60px 0;
  font-size: 18px;
}
.main_content {
  overflow: hidden;
}
.main_content .about_us {
  overflow: hidden;
  margin-bottom: 80px;
}
.main_content .about_us .about_list {
  width: 1020px;
  padding: 0 20px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.main_content .about_us .about_list .about_list_item {
  display: flex;
  justify-content: start;
  align-content: space-between;
  width: 288.8px;
  height: 96px;
  margin: 10px auto;
}
.main_content .about_us .about_list .about_list_item .icon {
  width: 60px;
  font-size: 34px;
  color: #ff434f;
  margin-top: -10px;
}
.main_content .about_us .about_list .about_list_item .list_title h4 {
  color: #000;
  font-weight: 600;
  font-size: 18px;
}
.main_content .about_us .about_list .about_list_item .list_title p {
  font-size: 14px;
}
.main_content .success_list {
  overflow: hidden;
  background-color: #f9fbfb;
}
.main_content .success_list .btn_list {
  width: 328px;
  margin: 70px auto 38px;
  display: flex;
  justify-content: space-between;
}
.main_content .success_list .btn_list button {
  width: 68px;
  height: 33px;
  text-align: center;
  line-height: 33px;
  font-size: 14px;
  border-radius: 4px;
  outline: none;
  color: #727272;
  background-color: #e3e3e3;
}
.main_content .success_list .btn_list button:hover,
.main_content .success_list .btn_list .active {
  color: #fff;
  background-color: #ff434f;
}
.main_content .success_list .case_list {
  width: 100vw;
  display: flex;
  justify-content: start;
  flex-wrap: wrap;
  align-content: flex-start;
}
.main_content .success_list .case_list .case_item {
  width: 25vw;
  height: 30vh;
  margin: 0 auto;
}
.main_content .success_list .case_list .case_item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main_content .server_flow {
  overflow: hidden;
  margin-bottom: 80px;
}
.main_content .server_flow .server_list {
  overflow: hidden;
  width: 1020px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-content: flex-start;
  flex-wrap: wrap;
}
.main_content .server_flow .server_list .server_item {
  width: 315px;
  height: 177px;
  margin: 10px auto;
  padding: 0 10px;
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.06);
}
.main_content .server_flow .server_list .server_item .v {
  display: flex;
  justify-content: start;
  align-content: space-between;
  padding: 24px;
}
.main_content .server_flow .server_list .server_item .v .icon {
  width: 122px;
  font-size: 42px;
  color: #ff434f;
  margin-top: -10px;
}
.main_content .server_flow .server_list .server_item .v .list_title h4 {
  color: #000;
  font-weight: 600;
  font-size: 24px;
}
.main_content .server_flow .server_list .server_item .v .list_title p {
  font-size: 16px;
  line-height: 30px;
  margin-top: 8px;
}
.main_content .team {
  overflow: hidden;
  margin-top: 80px;
  background-color: #f9fbfb;
}
.main_content .team .team_list {
  width: 1020px;
  margin: 86px auto;
  padding: 0 10px;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}
.main_content .team .team_list .team_item {
  width: 237px;
  height: 404px;
  margin: 10px auto;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.2);
  transition: 0.4s;
}
.main_content .team .team_list .team_item .img {
  width: 237px;
  height: 264px;
}
.main_content .team .team_list .team_item .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main_content .team .team_list .team_item h5 {
  text-align: center;
  font-size: 18px;
  margin-top: 18px;
}
.main_content .team .team_list .team_item h6 {
  text-align: center;
  font-size: 14px;
  margin: 12px 0 18px;
}
.main_content .team .team_list .team_item ul {
  width: 150px;
  display: flex;
  justify-content: space-around;
  margin: -30px auto;
}
.main_content .team .team_list .team_item li {
  float: left;
}
.main_content .team .team_list .team_item li i {
  font-size: 14px;
}
.main_content .team .team_list .team_item:hover {
  transform: translateY(-20px) scale(1.05);
  box-shadow: 0 0 36px rgba(0, 0, 0, 0.1);
}
.main_content .data_show {
  width: 100vw;
  height: 255px;
  background-image: url(../img/adult-business-computer-contemporary-380769.jpg);
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 20;
}
.main_content .data_show .data_list {
  width: 250px;
  height: 160px;
  text-align: center;
  color: #fff;
  z-index: 99;
}
.main_content .data_show .data_list i {
  font-weight: 900;
  font-size: 50px;
}
.main_content .data_show .data_list h1 {
  font-weight: 900;
  margin-top: 10px;
}
.main_content .data_show::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.5;
}
.main_content .company_info .info_list {
  width: 1020px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}
.main_content .company_info .info_list .info_item {
  overflow: hidden;
  width: 324px;
  padding: 24px;
  margin-top: 20px;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.1);
  transition: 0.6s;
}
.main_content .company_info .info_list .info_item .img {
  width: 324px;
  height: 255px;
  margin: -24px;
  margin-bottom: 0;
}
.main_content .company_info .info_list .info_item .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main_content .company_info .info_list .info_item .meta {
  display: flex;
  justify-content: start;
  margin: 20px 0 12px;
  font-size: 14px;
  color: #c6c6c6;
}
.main_content .company_info .info_list .info_item .meta i {
  padding-right: 5px;
}
.main_content .company_info .info_list .info_item .meta .comment {
  margin-left: 36px;
}
.main_content .company_info .info_list .info_item h2 {
  font-size: 18px;
  margin-bottom: 16px;
}
.main_content .company_info .info_list .info_item article {
  font-size: 14px;
  line-height: 24px;
}
.main_content .company_info .info_list .info_item button {
  outline: none;
  border: 0;
  border-radius: 5px;
  font-size: 14px;
  color: #fff;
  text-align: center;
  padding: 6px 14px;
  margin: 24px 0 10px;
  background-color: #ff434f;
}
.main_content .company_info .info_list .info_item:hover {
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 0 36px rgba(0, 0, 0, 0.2);
}
.main_content .footer {
  overflow: hidden;
  margin-top: 100px;
  background-color: #181818;
}
.main_content .footer .w {
  padding: 0 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.main_content .footer .w .contect_us {
  width: 360px;
}
.main_content .footer .w .contect_us p {
  font-size: 14px;
  color: #fff;
}
.main_content .footer .w .contect_us .title {
  text-align: left;
  font-size: 16px;
}
.main_content .footer .w .footer_nav_list {
  width: 580px;
  display: flex;
  justify-content: space-between;
  padding-top: 68px;
}
.main_content .footer .w .footer_nav_list dl {
  color: #fff;
}
.main_content .footer .w .footer_nav_list dl dt {
  margin-bottom: -20px;
  font-size: 16px;
}
.main_content .footer .w .footer_nav_list dl dd {
  height: 30px;
  text-align: center;
}
.main_content .footer .w .footer_nav_list dl dd a {
  padding-bottom: 8px;
  font-size: 14px;
  color: #fff;
}
.main_content .footer .w .beian,
.main_content .footer .w .banquan {
  width: 100%;
  color: #fff;
  font-size: 14px;
  text-align: center;
}
.main_content .footer .w .beian {
  padding-top: 30px;
}
@media screen and (max-width: 992px) {
  .slideBox .carousel-inner .first_img h1,
  .slideBox .carousel-inner .last_img h1 {
    font-size: 30px;
  }
  .slideBox .carousel-inner .first_img h3,
  .slideBox .carousel-inner .last_img h3 {
    font-size: 18px;
    margin: 48px 0 20px;
  }
  .slideBox .carousel-inner .first_img .explore-btn,
  .slideBox .carousel-inner .last_img .explore-btn {
    padding: 8px 15px;
    font-size: 16px;
  }
}
@media screen and (max-width: 768px) {
  .main_content .success_list .case_list .case_item {
    width: 50vw;
    height: 25vh;
    margin: 0 auto;
  }
  .main_content .success_list .case_list .case_item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .slideBox .carousel-inner .first_img h1,
  .slideBox .carousel-inner .last_img h1 {
    font-size: 28px;
  }
  .slideBox .carousel-inner .first_img h3,
  .slideBox .carousel-inner .last_img h3 {
    font-size: 16px;
    margin: 48px 0 20px;
  }
  .slideBox .carousel-inner .first_img .explore-btn,
  .slideBox .carousel-inner .last_img .explore-btn {
    padding: 8px 15px;
    font-size: 14px;
  }
  .main_content .data_show .data_list {
    width: 250px;
    height: 160px;
    text-align: center;
    color: #fff;
    z-index: 99;
  }
  .main_content .data_show .data_list i {
    font-weight: 900;
    font-size: 35px;
  }
  .main_content .data_show .data_list h1 {
    font-weight: 900;
    font-size: 35px;
    margin-top: 10px;
  }
  .main_content .data_show .data_list h3 {
    font-size: 35px;
  }
}
@media screen and (max-width: 576px) {
  .slideBox .carousel-inner .first_img,
  .slideBox .carousel-inner .last_img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
  }
  .slideBox .carousel-inner .first_img h1,
  .slideBox .carousel-inner .last_img h1 {
    font-size: 20px;
    line-height: 30px;
  }
  .slideBox .carousel-inner .first_img .explore-btn,
  .slideBox .carousel-inner .last_img .explore-btn {
    padding: 8px 15px;
    font-size: 14px;
    line-height: 30px;
  }
  .main_content .data_show {
    height: 200px;
  }
  .main_content .data_show .data_list {
    width: 250px;
    height: 160px;
    text-align: center;
    color: #fff;
    font-size: 25px;
    z-index: 99;
  }
  .main_content .data_show .data_list i {
    font-weight: 900;
    font-size: 25px;
  }
  .main_content .data_show .data_list h1 {
    font-weight: 900;
    font-size: 25px;
    margin-top: 10px;
  }
  .main_content .data_show .data_list h3 {
    font-size: 25px;
  }
  .main_content .footer .w {
    padding: 0 10px;
  }
  .main_content .footer .w .contect_us p {
    font-size: 12px;
  }
  .main_content .footer .w .contect_us .title {
    font-size: 14px;
  }
  .main_content .footer .w .footer_nav_list dl dt {
    font-size: 14px;
  }
  .main_content .footer .w .footer_nav_list dl dd a {
    font-size: 12px;
  }
  .main_content .footer .w .beian,
  .main_content .footer .w .banquan {
    width: 100%;
    color: #fff;
    font-size: 12px;
    text-align: center;
  }
  .main_content .footer .w .beian {
    padding-top: 30px;
  }
}
.backTop {
  display: none;
  position: fixed;
  bottom: 60px;
  right: 30px;
  width: 32px;
  height: 32px;
  line-height: 32px;
  font-size: 14px;
  border-radius: 3px;
  text-align: center;
  color: #fff;
  background-color: #ff434f;
  z-index: 100;
  cursor: pointer;
}