* {
  list-style: none;
  padding: 0;
  margin: 0;
}
.topNav {
  position: fixed;
  padding: 10px 0;
  background-color: transparent;
  display: flex;
  justify-content: space-between;
  z-index: 99;
}
.topNav .logoImg {
  width: 36px;
  height: 36px;
}
.topNav .free_download {
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/download_bk.png");
  background-size: 100% 40px;
  text-align: center;
  width: 140px;
  height: 40px;
  background-repeat: no-repeat;
  font-family: PingFangSC, PingFang SC;
  font-weight: 500;
  font-size: 16px;
  color: #ffffff;
  line-height: 40px;
  font-style: normal;
  cursor: pointer;
  display: none;
}
.topNav .free_download .icon_style {
  width: 20px;
  height: 20px;
  margin-bottom: 6px;
  display: none;
}
.topNav .free_download .icon_is_show {
  display: inline;
}
.scrolled {
  background-color: #ffffff;
  /* 默认背景色 */
}
.isShow {
  display: block !important;
}
.header {
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/headerBk.png");
  background-size: 100%;
  background-repeat: no-repeat;
  padding-top: 156px;
  padding-bottom: 64px;
}
.header .header_title {
  font-size: 58px;
  line-height: 58px;
  font-family: PingFangSC, PingFang SC;
  margin-bottom: 23px;
}
.header .header_title .aiIcon {
  color: #ff953b;
}
.header .header_tip {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 20px;
  color: #8b9197;
  line-height: 20px;
  font-style: normal;
  font-weight: 350;
}
.header .free_download {
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/download_bk.png");
  background-size: 100%;
  width: 200px;
  height: 60px;
  margin: 57px auto 35px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 500;
  font-size: 24px;
  color: #ffffff;
  line-height: 60px;
  font-style: normal;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease; /* 平滑过渡效果 */
  animation: scaleAnimation 0.5s 8 alternate;
  animation-delay: 1s;
}

@keyframes scaleAnimation {
  0% {
    transform: scale(1); /* 初始大小 */
  }
  100% {
    transform: scale(1.05); /* 放大到110% */
  }
}

.header .free_download .icon_style {
  width: 20px;
  height: 20px;
  margin-bottom: 6px;
  display: none;
}
.header .free_download .icon_is_show {
  display: inline;
}

.header .trialWeb {
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 105px;
  margin: 0 auto;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #5ca2ff;
  line-height: 14px;
  text-align: left;
  font-style: normal;
  text-decoration-line: underline;
  margin-bottom: 45px;
  cursor: pointer;
}

.header .trialWeb .imageStyle {
  width: 20px;
  height: 20px;
}

.header .versionList {
  text-align: left;
  display: flex;
  justify-content: space-between;
  width: 370px;
  height: 34px;
  margin: 0 auto;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #262931;
  line-height: 35px;
  padding-right: 15px;
}
.header .versionList .text {
  color: #8b9197;
}
.header .versionList .imageStyle {
  width: 18px;
  height: 18px;
  position: absolute;
  top: 8px;
  left: -20px;
}
.row_style {
  text-align: left;
}

.row_style .videoPlay {
  text-align: center;
  margin-bottom: 50px;
}

.row_style .videoPlay .title {
  font-size: 50px;
  font-weight: bold;
  position: relative;
  display: inline-block;
  background-image: linear-gradient(to right, #fa9727, #93def3, #fa9727);
  -webkit-background-clip: text;
  color: transparent;
}

.row_style .videoPlay .content {
  font-size: 20px;
  margin: 20px;
}

.row_style .videoPlay .image_box {
  position: relative;
}

.row_style .videoPlay .image_box .imageStyle {
  border-radius: 8px;
  margin-bottom: 10px;
}

.row_style .videoPlay .image_box .playIcon {
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/play_icon.png");
  background-size: 50px;
  background-repeat: no-repeat;
  width: 50px;
  height: 50px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); /* 水平和垂直居中 */
  cursor: pointer;
  z-index: 8;
}

.row_style .introtuce_box {
  padding: 5% 2.5%;
}
.row_style .introtuce_box .title {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 42px;
  color: #262931;
  line-height: 42px;
  font-style: normal;
}
.row_style .introtuce_box .content {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #8b9197;
  line-height: 28px;
  font-style: normal;
  margin-top: 28px;
}

.row_style .introtuce_box .content .bluetooth {
  width: 16px;
  height: 17px;
  display: inline-block;
  margin-bottom: 3px;
}
.row_style .introtuce_box .experience {
  width: 120px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid #ff953b;
  background-color: #ffffff;
  font-family: PingFangSC, PingFang SC;
  font-weight: 500;
  font-size: 16px;
  color: #ff953b;
  line-height: 22px;
  font-style: normal;
  cursor: pointer;
  margin-top: 40px;
}
@media screen and (max-width: 1200px) {
  .row_style {
    text-align: center;
  }
  .service_tik {
    width: 200px;
    margin: 0 auto;
  }
  .QRcode {
    margin: 0 auto;
  }
  .jump_type {
    margin: 0 auto;
  }
}
.download_box {
  padding: 100px 0;
}
.download_box .download_box_title {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 32px;
  color: #262931;
  line-height: 42px;
  font-style: normal;
}
.download_box .download_box_content {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 18px;
  color: #8b9197;
  line-height: 20px;
  font-style: normal;
  margin-top: 14px;
}
.download_box .download_selection {
  margin-top: 60px;
}
.download_box .download_selection .selection_item {
  margin-bottom: 20px;
}
.download_box .download_selection .selection_item .show_box {
  width: 220px;
  height: 220px;
  margin: 0 auto;
  padding: 40px;
  box-sizing: border-box;
  border: 1px solid #8b9197;
  border-radius: 20px;
}
.download_box .download_selection .selection_item .show_box .default_show {
  width: 140px;
  height: 120px;
  margin: 0 auto;
}
.download_box
  .download_selection
  .selection_item
  .show_box
  .default_show
  .default_img_one {
  width: 140px;
  height: 113px;
}
.download_box
  .download_selection
  .selection_item
  .show_box
  .default_show
  .default_img_two {
  width: 61px;
  height: 122px;
}
.download_box
  .download_selection
  .selection_item
  .show_box
  .default_show
  .default_img_three {
  width: 61px;
  height: 122px;
}
.download_box .download_selection .selection_item .show_box .download_show {
  width: 120px;
  height: 120px;
  margin: 0 auto;
  display: none;
  cursor: pointer;
}
.download_box
  .download_selection
  .selection_item
  .show_box
  .download_show
  .download_img_one {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  margin-bottom: 15px;
}
.download_box
  .download_selection
  .selection_item
  .show_box
  .download_show
  .download_img_two {
  width: 120px;
  height: 120px;
}
.download_box .download_selection .selection_item .isActive {
  display: block !important;
}
.download_box .download_selection .selection_item .isHind {
  display: none !important;
}
.download_box .download_selection .selection_item .version_type {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 14px;
  color: #8b9197;
  line-height: 20px;
  font-style: normal;
  margin-top: 20px;
  text-align: center;
}
.download_box .download_selection .selection_item .downLoadCourse {
  text-decoration: underline;
  font-size: 14px;
  cursor: pointer;
  margin-top: 10px;
}
.download_box .download_selection .selection_item .downLoadCourse .a_style {
  color: #000;
}
.contactUs {
  width: 110px;
  position: fixed;
  right: 60px;
  bottom: 100px;
  z-index: 999;
}
.contactUs .code {
  padding: 5px;
  border-radius: 10px;
  display: none;
  background-color: #ffffff;
  box-shadow: 0px 1px 6px 0px rgba(0, 21, 41, 0.1);
}
.contactUs .code .codeImg {
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/contact.png");
  background-size: 100px;
  width: 100px;
  height: 100px;
}
.contactUs .hint {
  width: 122px;
  height: 42px;
  display: flex;
  margin-top: 10px;
  padding: 5px;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0px 1px 6px 0px rgba(0, 21, 41, 0.1);
  background-color: #ffffff;
}
.contactUs .hint .icon {
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/weixin.png");
  background-size: 24px;
  width: 24px;
  height: 24px;
  margin-left: 10px;
  margin-top: 5px;
}
.contactUs .hint .title {
  margin-left: 5px;
  font-size: 14px;
  line-height: 33px;
  font-weight: 500;
}
.hidden {
  display: none;
}
.contactUs:hover .code {
  display: block;
}
.footer_container {
  background-color: #262931;
  padding: 27px 50px;
  box-sizing: border-box;
}
.footer_container .service_tik {
  width: 200px;
}
.footer_container .service_tik .title_box {
  width: 200px;
  display: flex;
  margin: 0 auto;
  text-align: left;
}
.footer_container .service_tik .title_box .logo_img {
  width: 48px;
  height: 48px;
}
.footer_container .service_tik .title_box .logo_word {
  color: #ffffff;
  font-size: 18px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  line-height: 30px;
  margin-left: 8px;
}
.footer_container .service_tik .title_box .logo_text {
  color: #ffffff;
  font-size: 11px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  margin-left: 8px;
  color: #8b9197;
}
.footer_container .service_tik .jump_type {
  display: flex;
  margin-top: 30px;
  width: 202px;
  position: relative;
}
.footer_container .service_tik .jump_type .jump_type_item_one {
  color: #ffffff;
  text-decoration: underline;
  margin-left: 10px;
  font-size: 14px;
  cursor: pointer;
}
.footer_container .service_tik .jump_type .jump_type_item_one .code_img {
  width: 200px;
  height: 216px;
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/code_img.png");
  background-size: 200px 216px;
  position: absolute;
  top: -200px;
  left: -65px;
  display: none;
}
.footer_container .service_tik .jump_type .jump_type_item_one:hover .code_img {
  width: 200px;
  height: 216px;
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/code_img.png");
  background-size: 200px 216px;
  position: absolute;
  top: -200px;
  left: -65px;
  display: block;
}
.footer_container .service_tik .jump_type .jump_type_item_two {
  color: #ffffff;
  text-decoration: underline;
  margin-left: 10px;
  font-size: 14px;
  cursor: pointer;
}
.footer_container .service_tik .jump_type .jump_type_item_two .a_style {
  color: #ffffff;
}
.footer_container .QRcode {
  width: 300px;
  display: flex;
}
.footer_container .QRcode .QRcodeBox {
  margin-right: 30px;
}
.footer_container .QRcode .QRcodeBox .official {
  width: 100px;
  height: 100px;
  border-radius: 5px;
  display: block;
  margin: 0 auto;
}
.footer_container .QRcode .wordOne {
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 20px;
  margin-top: 10px;
}
.footer_container .line {
  margin-top: 20px;
  height: 1px;
  border: 1px solid rgba(243, 243, 243, 0.1);
}
.footer_container .footerWord {
  text-align: center;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 20px;
  margin-top: 20px;
}
.alert {
  display: none;
}
/* 遮罩 */
.alert > .zhezhao {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: #000;
  filter: alpha(opacity=60);
  z-index: 1000;
  opacity: 0.6;
}
/* 本体 */
.alert > .body {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  color: #fff;
}
.tis-text {
  text-align: center;
  margin-top: 25%;
}
.tis-yd {
  position: fixed;
  right: 28px;
  top: 10px;
}
.downLoadAlert {
  display: none;
}
.zhezaoBK {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  filter: alpha(opacity=60);
  z-index: 1000;
}
.alertBody {
  width: 300px;
  background-color: #ffffff;
  border-radius: 10px;
  position: absolute;
  left: 50%;
  top: 30%;
  transform: translateX(-50%);
}
.pOne {
  margin-top: 20px;
  text-align: center;
  margin-bottom: 10px;
}
.pTwo {
  width: 260px;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 20px;
  font-size: 15px;
}
.pThree {
  width: 260px;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 20px;
  font-size: 10px;
  color: #cdcbcb;
}
.buttonBox {
  width: 200px;
  margin: 0 auto;
  margin-top: 30px;
  margin-bottom: 30px;
  display: flex;
  justify-content: space-between;
}
.buttonOne {
  width: 80px;
  border: none;
  padding: 5px 0;
  border-radius: 5px;
}
.buttonTwo {
  width: 80px;
  border: none;
  padding: 8px 0;
  border-radius: 5px;
  background-color: #638bf6;
  color: #ffffff;
}

.videoAlert {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99999;
}

.videoAlert .videoContainer {
  position: relative;
}

.videoAlert .videoContainer .zhezhao {
  width: 100vw;
  height: 100vh;
  background: #000;
  filter: alpha(opacity=60);
  z-index: 1000;
  opacity: 0.6;
}

.videoAlert .videoContainer .videoBody {
  width: 1334px;
  height: 720px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0 auto;
  background-color: #ffffff;
  z-index: 1001;
}

.videoBox {
  position: relative;
}
.videoAlert .videoContainer .videoBox .closeButton {
  background-image: url("https://cdn.tttci.com/web_asset/bd_download/cancel.png");
  background-size: 30px;
  width: 30px;
  height: 30px;
  z-index: 1002;
  position: absolute;
  right: 10px;
  top: 10px;
  cursor: pointer;
}
.videoAlert .videoContainer .videoBox .videoContent {
  width: 1334px;
  height: 720px;
}