:root {
  --zoom: 1;
}
@font-face {
  font-family: "Montserrat-Regular";
  src: url("/assets/fonts/Montserrat-Regular-8.otf") format("opentype");
}
@font-face {
  font-family: "Montserrat-SemiBold";
  src: url("/assets/fonts/Montserrat-SemiBold-9.otf") format("opentype");
}
@font-face {
  font-family: "Montserrat-Medium";
  src: url("/assets/fonts/Montserrat-Medium-7.otf") format("opentype");
}
@font-face {
  font-family: "SourceHanSans-Medium";
  src: url("/assets/fonts/SourceHanSans-Medium.otf") format("opentype");
}
@font-face {
  font-family: "DIN";
  src: url("/assets/fonts/DIN-Medium-2.otf") format("opentype");
}
* {
  margin: 0;
  padding: 0;
}
body {
  overflow-x: hidden;
  /* width: 100vw; */
  background-color: #ffffff;
}

a {
  text-decoration: none;
  color: inherit;
}

main {
  margin-top: 5vh;
}

.bgc {
  background-image: linear-gradient(to right, #16abff, #02fffd);
  margin-top: 10vh;
  font-size: 42px;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  margin-left: 20vw;
}
img {
  border: 0;
}
.header {
  width: 100vw;
  height: 5vh;
  background: #060606;
  position: fixed;
  top: 0;
  z-index: 999;
}
.header:hover {
  background: #fff;
}

.header:hover .item_pc {
  color: #18191a;
}
.header:hover .item_pc.active {
  color: #00a3ff;
}

.product_introduction:hover {
  height: 5vh;
  line-height: 5vh;
  margin-left: 0;
  padding-left: 2.08vw;
}

.product_introduction:hover .pop_product_content,
.pop_product_content:hover {
  display: block;
}
.pop_product_content {
  display: none;
  position: absolute;
  left: 0;
  top: 5vh;
}
.h_top {
  width: 56vw;
  height: 100%;
  display: flex;
  align-items: center;
  margin: 0 auto;
}

.logo_img {
  width: 4.8vw;
  height: 3vh;
  align-self: center;
  background-size: 100% 100%;
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/logo.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.logo_pc_en {
  width: 5.2vw;
  height: 2.4vh;
  align-self: center;
  background-size: 100% 100%;
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/white_logo_pc_en.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.header:hover .logo_img {
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/hover_logo.png");
}
.header:hover .logo_pc_en {
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/hover_logo_en.png");
}

.h_nav {
  margin-left: auto;
  display: flex;
  text-align: center;
  align-items: center;
}

.item_pc {
  width: fit-content;
  font-size: 0.6vw;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  align-self: center;
  margin-left: 1.8vw;
  padding-bottom: 5px;
  cursor: pointer;
}

.item_pc.active {
  color: #00a3ff;
  border-bottom: 2px solid #00a3ff;
}

.talkus {
  width: 4.5vw;
  height: 2.5vh;
  background: #0275ff;
  border-radius: 60px 60px 60px 60px;
  margin-left: 2.08vw;
  color: #fff;
  font-size: 0.6vw;
  margin-bottom: 0.2vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* .talkus_pc_img {
  margin-left: 2.08vw;
  max-width: 4vw;
  max-height: 2.5vh;
} */

.language_pc {
  position: relative;
  width: 3.2vw;
}
.changeLanguage {
  position: absolute;
  top: 50px;
  right: 0;
  text-align: center;
  background-color: white;
  display: none;
  z-index: 1000;
  width: 8vw;
  height: 7vh;
  border-radius: 10px;
}

.changeLanguage div {
  width: 80%;
  margin-left: 10%;
  cursor: pointer;
  height: 3.5vh;
  line-height: 3.5vh;
}
.changeLanguage div:nth-child(1) {
  border-bottom: 1px solid #f7f8f9;
}

.language_pc_img {
  margin-left: 2.08vw;
  width: 1.2vw;
  height: 1.2vw;
  align-self: center;
  justify-self: center;
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/language.svg");
  background-size: cover;
  cursor: pointer;
  align-self: center;
}

.header:hover .language_pc_img {
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/hover_language.png");
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.product_content {
  /* width: 100vw; */
  overflow: hidden;
  /* margin-top: 5vh; */
}

.product_img_container {
  position: relative;
}

.slide_first {
  width: 100vw;
  margin-bottom: 1vw;
  box-sizing: border-box;
}

.img_logo {
  width: 18vw;
  position: absolute;
  top: 22%;
  left: 22%;
}

.sw50_img_logo {
  width: 19vw;
  position: absolute;
  top: 22%;
  left: 22%;
}

.titan_txt {
  position: absolute;
  top: 29%;
  left: 22%;
  color: #fff;
  font-size: 1.4vw;
}

.gt_img_logo {
  width: 20vw;
  position: absolute;
  top: 34%;
  left: 22%;
}

.gt_txt1 {
  position: absolute;
  top: 40%;
  left: 22%;
  color: #2d4252;
  font-size: 1.4vw;
}
.gt_txt2 {
  position: absolute;
  top: 45%;
  left: 22%;
  color: #2d4252;
  font-size: 1.4vw;
}

.know_more_gt {
  position: absolute;
  top: 51%;
  left: 22%;
  color: #0275ff;
  display: flex;
  align-items: center;
}
.know_more {
  position: absolute;
  top: 34.5%;
  left: 22%;
  color: #0275ff;
  display: flex;
  align-items: center;
}

.know_more_txt {
  color: #0275ff;
  font-size: 1.2vw;
  line-height: 1.2vw;
}

.know_more_img {
  width: 1.4vw;
  margin-left: 0.2vw;
  margin-top: 0.1vh;
}

.detail_first {
  font-family: "Montserrat-Regular";
  color: #fff;
  position: absolute;
  top: 44%;
  left: 22%;
}

.detail_content {
  display: flex;
  align-items: baseline;
}

.efficiency_num {
  font-size: 2.2vw;
}

.efficiency_unit {
  font-size: 1vw;
  margin-left: 0.6vw;
}

.detail_second {
  font-family: "Montserrat-Regular";
  color: #fff;
  position: absolute;
  top: 56%;
  left: 22%;
}

.detail_third {
  font-family: "Montserrat-Regular";
  color: #fff;
  position: absolute;
  top: 67%;
  left: 22%;
}

.detail_txt {
  align-self: center;
  margin-right: 0.7vw;
  font-size: 0.7vw;
}

.carousel-inner {
  display: flex;
}

.product {
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.7vw;
}

.product_pic {
  position: relative;
}

.pilot_one_pic {
  width: 49.5vw;
  height: auto;
}

.product_logo {
  font-size: 2vw;
  font-family: "Montserrat-Regular";
  position: absolute;
  top: 6%;
  left: 50%;
  transform: translateX(-50%);
}

.m3_index_icon {
  display: flex;
  align-items: flex-end;
}

.m3_index_neo {
  width: 3vw;
  position: absolute;
  top: 7.8%;
  left: 64%;
  transform: translateX(-50%);
}

.product_know_more {
  position: absolute;
  top: 13%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
}

.titan810_pic {
  width: 49.5vw;
  height: auto;
  margin-left: 1vw;
}

.xrolling_pic {
  width: 49.5vw;
  height: auto;
  margin-left: 1vw;
}

.solution_content {
  width: 100vw;
  background-color: #ffffff;
  text-align: center;
  margin-top: 12vh;
}

.solution_title {
  font-family: PingFang SC, PingFang SC;
  font-weight: 600;
  /* font-size: 42px; */
  font-size: 1.8vw;
  color: #000000;
  text-align: center;
  font-style: normal;
  text-transform: none;
}

.second_title {
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 24px;
  color: rgba(0, 0, 0, 0.8);
  line-height: 36px;
  text-align: center;
  font-style: normal;
  text-transform: none;
  margin-top: 1.6vh;
}

.solution_swiper {
  width: 100vw;
  margin-top: 5vh;
}

.case_content {
  width: 100vw;
  background-color: #ffffff;
  text-align: center;
  margin-top: 12vh;
}

.case_title {
  font-family: PingFang SC, PingFang SC;
  font-weight: 600;
  font-size: 1.8vw;
  color: #000000;
  line-height: 49px;
  text-align: center;
  font-style: normal;
  text-transform: none;
}

.case_swiper {
  width: 100vw;
  margin-top: 5vh;
}

.news_content {
  width: 100vw;
  background-color: #ffffff;
  text-align: center;
  overflow: hidden;
  padding-bottom: 2vh;
}

.news_title {
  font-family: PingFang SC, PingFang SC;
  font-weight: 600;
  font-size: 1.8vw;
  color: #000000;
  line-height: 49px;
  text-align: center;
  font-style: normal;
  text-transform: none;
  margin-top: 11vh;
}

.news_cover {
  display: flex;
  width: 100vw;
  margin-top: 5.45vh;
  justify-content: center;
  cursor: pointer;
  text-align: left;
}

.news_item {
  width: 21vw;
  box-shadow: 0px 0px 28px 0px rgba(0, 0, 0, 0.06);
  border-radius: 8px 8px 8px 8px;
}
.news_item2 {
  width: 21vw;
  box-shadow: 0px 0px 28px 0px rgba(0, 0, 0, 0.06);
  border-radius: 8px 8px 8px 8px;
  margin-left: 1vw;
}

.news_img {
  max-width: 21vw;
  background: #ffffff;
  /* box-shadow: 0px 0px 16px 0px rgba(0, 0, 0, 0.06); */
}

.news_time {
  color: #a3a3a3;
  margin: 1.2vh 0 1.2vh 0.8vw;
}

.news_txt {
  color: #18191a;
  padding: 0vh 0.8vw 4vh 0.8vw;
  font-size: 0.83vw;
}

.talk_content {
  width: 100vw;
  margin-bottom: 8vh;
  background-color: #ffffff;
  text-align: center;
  overflow: hidden;
}

.talk_title {
  font-family: PingFang SC, PingFang SC;
  font-weight: 600;
  /* font-size: 42px; */
  font-size: 1.6vw;
  color: #000000;
  line-height: 47px;
  text-align: center;
  font-style: normal;
  text-transform: none;
  margin-top: 10vh;
}

.container_talk {
  display: flex;
  margin: 0 auto;
  margin-top: 8vh;
  justify-content: center;
}

.item_talk_name {
  width: 25%;
  height: 10vh;
}

.item_talk_name2 {
  width: 25%;
  height: 10vh;
  margin-left: 2%;
}

.container_input {
  position: relative;
  width: 100%;
  height: 6vh;
  margin-top: 2vh;
  background: #f5f5f5;
  border-radius: 0px 0px 0px 0px;
  display: flex;
  align-items: center;
}

.talk_input {
  border: none;
  outline: none;
  height: 6vh;
  background: #f5f5f5;
  /* font-size: 18px; */
  font-size: 0.8vw;
  margin-left: 1.5vw;
}
.talk_input::placeholder {
  color: #a3a3a3;
}

.position_talk_placeholder {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #a3a3a3;
  margin-left: 1.5vw;
  font-size: 18px;
}
.contact_talk_placeholder {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #a3a3a3;
  margin-left: 1.5vw;
  font-size: 18px;
}
.companyName_talk_placeholder {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #a3a3a3;
  margin-left: 1.5vw;
  font-size: 18px;
}
.city_talk_placeholder {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: #a3a3a3;
  margin-left: 1.5vw;
  font-size: 18px;
}

.field_name {
  height: 4.5vh;
  width: 19vw;
  margin-left: 1vw;
  margin-top: 1vh;
  background-color: transparent;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 18px;
  /* color: #A3A3A3; */
  line-height: 21px;
  text-align: left;
  font-style: normal;
  text-transform: none;
  align-self: center;
}

.txt_talk_name {
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  /* font-size: 18px; */
  font-size: 0.8vw;
  color: #a3a3a3;
  line-height: 21px;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

.txt_start {
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 18px;
  color: #e52229;
  line-height: 21px;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

.talk_button {
  height: 7vh;
  width: 27vw;
  margin: 0 auto;
  background: #0275ff;
  border-radius: 0px 0px 0px 0px;
  margin-top: 8vh;
  display: flex;
  justify-content: center;
}

.talk_button:hover {
  cursor: pointer;
}

.txt_btn {
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  /* font-size: 24px; */
  font-size: 1vw;
  color: #ffffff;
  line-height: 28px;
  text-align: left;
  font-style: normal;
  text-transform: none;
  align-self: center;
}

.footer_content {
  width: 100vw;
  height: 35vh;
  background-color: #060606;
  display: flex;
  flex-direction: column;
}

.container_foot_logo {
  display: flex;
  height: 3.5vh;
  margin-top: 10vh;
  align-content: center;
}

.foot_logo {
  width: 8vw;
  margin-left: 10vw;
}

.foot_logo_txt {
  margin-left: 2vw;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 0.9vw;
  color: #bdbdbd;
  line-height: 19px;
  text-align: center;
  font-style: normal;
  text-transform: none;
  align-self: flex-end;
}

.foot_logo_txt:hover {
  cursor: pointer;
}

.container_foot_icon {
  position: relative;
  width: fit-content;
  margin-left: auto;
  margin-right: 10vw;
  align-content: center;
  display: flex;
}

.foot_icon {
  height: 2.8vh;
  margin-left: 1vw;
}

.foot_icon:hover {
  cursor: pointer;
}

.img_qrcode {
  position: absolute;
  top: -17.5vh;
  left: -1.5vw;
  display: none;
  width: 8vw;
  z-index: 99;
}

.img_qrcode_tiktok {
  position: absolute;
  top: -18vh;
  left: 0vw;
  display: none;
  width: 8vw;
  z-index: 99;
}

.foot_icon:hover + .img_qrcode {
  display: block;
}

.foot_icon:hover + .img_qrcode_tiktok {
  display: block;
}

.foot_line {
  width: 80vw;
  margin-left: 10vw;
  height: 0px;
  border: 1px solid #444444;
  margin-top: 4vh;
}

.container_foot_txt {
  display: flex;
  height: 3.5vh;
  margin-top: 3vh;
  align-content: center;
}

.foot_company_txt {
  margin-left: 10vw;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #b3b3b3;
  line-height: 19px;
  text-align: left;
  font-style: normal;
  text-transform: none;
  margin-right: 2vw;
}

.privacy_txt {
  font-weight: 400;
  font-size: 16px;
  color: #b3b3b3;
  line-height: 19px;
  cursor: pointer;
  margin-left: 1vw;
}

.container_foot_language {
  width: fit-content;
  margin-left: auto;
  margin-right: 10vw;
  align-items: center;
  display: flex;
  justify-content: center;
}

.language_icon {
  height: 2.4vh;
  margin-left: 1vw;
}

.txt_foot_language {
  margin-left: 0.4vw;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #b3b3b3;
  text-align: left;
  font-style: normal;
  text-transform: none;
}

.task_us_modal {
  display: none;
  width: 30vw;
  height: 80vh;
  background: rgb(33, 33, 33);
  position: fixed;
  top: 50%;
  left: 0;
  right: 0;
  margin: 0 auto;
  transform: translateY(-50%);
  z-index: 9999;
}

.modal_content {
  width: 100%;
  height: 100%;
  overflow-y: auto;
}

.title_icon {
  width: 3vw;
  color: #c8c9cc;
  font-size: 22px;
  margin-left: auto;
  text-align: center;
  margin-top: 1vh;
  cursor: pointer;
  font-weight: 300;
}

.contact_head {
  width: 100%;
  text-align: center;
}

.contact_title {
  margin-top: 2vh;
  /* font-size: 34px; */
  font-size: 1.4vw;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  line-height: 51px;
  letter-spacing: 2px;
}

.contact_tips {
  margin-top: 2vh;
  /* font-size: 14px; */
  font-size: 0.6vw;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #787878;
  line-height: 16px;
}

.input_name {
  margin-top: 4vh;
  margin-left: 5vw;
  font-size: 13px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #787878;
  line-height: 18px;
  font-size: 0.6vw;
}

.star {
  font-size: 12px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #df2317;
  line-height: 18px;
}

.field_name {
  height: 5vh;
  width: 19vw;
  margin-left: 5.2vw;
  margin-top: 1vh;
  color: white;
  border: none;
  background-color: #212121;
  border-bottom: 0.5px solid #4d4d4d;
  /* font-size: 14px; */
  font-size: 0.6vw;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 21px;
  outline: none;
}

.input_phone {
  margin-top: 2vh;
  margin-left: 5vw;
  font-size: 0.6vw;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #787878;
  line-height: 18px;
}

.field_phone {
  height: 5vh;
  width: 19vw;
  margin-left: 5.2vw;
  margin-top: 1vh;
  color: white;
  background-color: #212121;
  border-bottom: 0.5px solid #4d4d4d;
  font-size: 14px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 21px;
}

.input_city {
  margin-top: 2vh;
  margin-left: 5vw;
  /* font-size: 13px; */
  font-size: 0.6vw;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #787878;
  line-height: 18px;
}

.input_company {
  margin-top: 2vh;
  margin-left: 5vw;
  font-size: 0.6vw;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #787878;
  line-height: 18px;
}

.field_company {
  height: 5vh;
  width: 19vw;
  margin-left: 5.2vw;
  margin-top: 1vh;
  color: white;
  background-color: #212121;
  border-bottom: 0.5px solid #4d4d4d;
  font-size: 14px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 21px;
}

.input_demand {
  margin-top: 2vh;
  margin-left: 5vw;
  font-size: 0.6vw;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #787878;
  line-height: 18px;
}

.field_demand {
  height: 8vh;
  width: 19vw;
  margin-left: 5.2vw;
  margin-top: 1vh;
  color: white;
  background-color: #212121;
  border-bottom: 0.5px solid #4d4d4d;
  font-size: 14px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 21px;
}

.discribe {
  height: 5vh;
  margin-top: 2vh;
  resize: none;
}

.connect_van_btn {
  width: 19vw;
  height: 7vh;
  margin-left: 5.2vw;
  margin-top: 5vh;
  text-align: center;
}

.btn {
  background-color: rgb(2, 117, 255);
  border-radius: 30px;
  height: 3.5vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 0.6vw;
}

.pop_product {
  width: 100vw;
  height: 32vh;
  position: fixed;
  z-index: 9;
  display: flex;
  background-color: #ffffff;
  align-content: center;
}

.container_product {
  display: flex;
  margin-left: 21vw;
}

.item_product {
  width: 9vw;
  height: 22vh;
  margin-top: 3vh;
  margin-right: 1vw;
  line-height: 0;
}

.item_product:hover {
  cursor: pointer;
}

.img_product {
  max-width: 9vw;
}

.txt_product {
  font-family: PingFang SC, PingFang SC;
  font-weight: 550;
  font-size: 14px;
  color: #000000;
  line-height: 16px;
  text-align: justified;
  font-style: normal;
  text-transform: none;
  margin-top: 1.6vh;
  display: flex;
  align-items: flex-end;
}

.new_product {
  width: 1.2vw;
  margin-left: 0.4vw;
  margin-bottom: 0.06vw;
}

/* 整个滚动条 */
/* ::-webkit-scrollbar {
  width: 2px;
} */

/* 滚动条轨道 */
/* ::-webkit-scrollbar-track {
  background: #a3a3a3;
  border-radius: 10px;
} */

/* 滚动条滑块 */
/* ::-webkit-scrollbar-thumb {
  border-radius: 10px;
} */

.close_img {
  width: 0.75vw;
}

.solution_swiper_container {
  width: 100vw;
  margin-top: 4.45vh;
  display: flex;
  justify-content: center;
  text-align: center;
  overflow: visible !important;
  position: relative;
}

.solution_swiper_div {
  max-width: 165%;
}

.solution_swiper_img {
  max-width: 55vw;
  max-height: 70vh;
}

.solve_solution_swiper .swiper-button-prev::after {
  display: none;
}

.solve_solution_swiper .swiper-button-prev {
  width: 3.5vw !important;
  height: 7vh !important;
  margin-top: -2vh;
  margin-left: 33vw;
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/swiper_home_left.png");
  background-size: 90%;
  background-repeat: no-repeat;
  align-self: center;
}

.solve_solution_swiper .swiper-button-next::after {
  display: none;
}

.solve_solution_swiper .swiper-button-next {
  width: 3.5vw !important;
  height: 7vh !important;
  margin-top: -2vh;
  margin-right: 33vw;
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/swiper_home_right.png");
  background-size: 90%;
  background-repeat: no-repeat;
  align-self: center;
}

.solution_swiper_txt {
  font-size: 1.6vw;
  font-weight: 600;
  position: absolute;
  top: 50%;
  color: #fff;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  letter-spacing: 2px;
}

.case_swiper_container {
  width: 100vw;
  margin-top: 4.45vh;
  display: flex;
  justify-content: center;
  text-align: center;
  overflow: visible !important;
  position: relative;
}

.case_swiper_div {
  max-width: 165%;
}

.case_swiper_img {
  max-width: 55vw;
  max-height: 70vh;
}

.solve_case_swiper .swiper-button-prev::after {
  display: none;
}

.solve_case_swiper .swiper-button-prev {
  width: 3.5vw !important;
  height: 7vh !important;
  margin-top: -2vh;
  margin-left: 33vw;
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/swiper_home_left.png");
  background-size: 90%;
  background-repeat: no-repeat;
  align-self: center;
}

.solve_case_swiper .swiper-button-next::after {
  display: none;
}

.solve_case_swiper .swiper-button-next {
  width: 3.5vw !important;
  height: 7vh !important;
  margin-top: -2vh;
  margin-right: 33vw;
  background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/swiper_home_right.png");
  background-size: 90%;
  background-repeat: no-repeat;
  align-self: center;
}

.lozad-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  display: block;
  /* width: 100%;  */
  /* height: auto; */
  overflow: hidden;
}

.task_us_modal {
  /* 整个滚动条轨道 */
  ::-webkit-scrollbar {
    width: 4px; /* 垂直滚动条宽度 */
    height: 10px; /* 水平滚动条高度 */
  }

  /* 滚动条轨道背景 */
  ::-webkit-scrollbar-track {
    background: #d6d5d5;
    border-radius: 5px;
  }

  /* 滚动条滑块 */
  ::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
  }

  /* 滑块悬停效果 */
  ::-webkit-scrollbar-thumb:hover {
    background: #555;
  }
}

.swiper-horizontal > .swiper-pagination-bullets,
.swiper-pagination-bullets.swiper-pagination-horizontal,
.swiper-pagination-custom,
.swiper-pagination-fraction {
  bottom: 2% !important;
}

.footer_h5 {
  display: none;
}

.mobile-menu {
  display: none;
}

@media screen and (max-width: 1920px) {
  .task_us_modal {
    height: 85vh;
  }
}

@media screen and (max-width: 768px) {
  :root {
    --zoom: 0.8;
  }

  body {
    overflow-x: hidden;
    font-size: 14px;
  }

  .header {
    height: 60px;
    background: #fff !important;
    position: fixed;
    top: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

  .h_top {
    width: 100%;
    padding: 0 22px;
    box-sizing: border-box;
    background-color: #000;
  }

  .logo_img {
    width: 120px;
    height: 30px;
    background-image: url("https://xz-server.oss-cn-shanghai.aliyuncs.com/imgs/white_logo_pc_en.png") !important;
  }

  .h_nav {
    display: none !important;
  }

  .mobile-menu-btn {
    position: absolute;
    right: 15px;
    top: 18px;
    width: 24px;
    height: 24px;
    display: flex !important;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1000;
    cursor: pointer;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 3px;
    background: #060606;
    border-radius: 3px;
    transition: all 0.3s ease;
  }

  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
  }

  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
  }

  .mobile-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    width: 100% !important;
    height: auto;
    max-height: 0;
    background: #fff;
    z-index: 998;
    transition: max-height 0.5s ease, opacity 0.3s ease;
    overflow-y: auto;
    overflow-x: hidden;
    opacity: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    border-top: 1px solid #eee;
  }

  .mobile-menu.active {
    max-height: 80vh;
    opacity: 1;
  }

  .mobile-menu-item {
    padding: 18px 25px;
    border-bottom: 1px solid #eee;
    font-size: 16px;
    color: #18191a;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s ease;
  }

  .mobile-menu-item:hover {
    background-color: #f5f5f5;
  }

  .mobile-submenu {
    background: #f9f9f9;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .mobile-submenu.active {
    max-height: 300px;
  }

  .mobile-submenu-item {
    padding: 15px 35px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
    color: #666;
    transition: background-color 0.2s ease;
  }

  .mobile-submenu-item:hover {
    background-color: #f0f0f0;
  }

  .mobile-menu-contact {
    padding: 20px 25px;
    background: #0275ff;
    color: white;
    text-align: center;
    margin: 0;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.2s ease;
  }

  .mobile-menu-contact:hover {
    background: #0265e0;
  }

  .mobile-phone {
    padding: 20px 25px;
    text-align: center;
    color: #666;
    font-size: 14px;
    background: #f9f9f9;
  }

  .language_pc,
  .item_pc.phone {
    display: none !important;
  }

  main {
    margin-top: 60px;
  }

  .product_img_container {
    position: relative;
    height: 70vh;
    overflow: hidden;
    margin-bottom: 10px;
  }

  .slide_first {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .img_logo,
  .sw50_img_logo,
  .gt_img_logo {
    /* width: 80% !important;
    max-width: 250px;
    left: 50%;
    transform: translateX(-50%);
    top: 10% !important; */
    display: none;
  }

  .titan_txt,
  .gt_txt1,
  .gt_txt2 {
    /* left: 50%;
    transform: translateX(-50%);
    white-space: nowrap; */
    display: none;
  }

  .gt_txt1 {
    top: 18% !important;
    left: 50%;
    transform: translateX(-50%);
    font-size: 20px;
  }

  .gt_txt2 {
    display: none;
  }

  .titan_txt {
    top: 20% !important;
  }

  .know_more,
  .know_more_gt {
    /* left: 50%;
    transform: translateX(-50%);
    top: 26% !important; */
    display: none;
  }

  .know_more_txt {
    font-size: 16px !important;
  }

  .know_more_img {
    width: 14px !important;
  }

  .detail_first,
  .detail_second,
  .detail_third {
    /* left: 10% !important;
    width: 80%; */
    display: none;
  }

  .detail_first {
    top: 45% !important;
  }

  .detail_second {
    top: 55% !important;
  }

  .detail_third {
    top: 65% !important;
  }

  .efficiency_num {
    font-size: 24px !important;
  }

  .efficiency_unit {
    font-size: 12px !important;
  }

  .detail_txt {
    font-size: 12px !important;
  }

  .product {
    flex-direction: column;
    margin-bottom: 0px;
  }

  .product_pic {
    width: 100vw !important;
    margin: 0 0 10px 0 !important;
    position: relative;
    /* height: 40vh; */
    overflow: hidden;
  }

  .product_pic_xr {
    margin-bottom: 0 !important;
    background: #000;
  }

  .pilot_one_pic,
  .titan810_pic,
  .xrolling_pic {
    width: 100% !important;
    height: 100%;
    object-fit: cover;
    margin-left: 0;
  }

  .product_logo {
    font-size: 28px !important;
    top: 10% !important;
  }

  .product_know_more {
    top: 18% !important;
  }

  .solution_content {
    padding-top: 40px;
    background: #000;
    margin-top: 0;
    color: #fff;
  }

  .solution_title,
  .case_title,
  .news_title {
    font-size: 24px !important;
    color: #fff;
  }

  .second_title {
    font-size: 16px !important;
    line-height: 1.5;
    padding: 0 20px;
    margin-top: 10px;
    color: #fff;
  }
  .solution_swiper_container {
    margin-top: 20px;
  }

  .solution_swiper_div {
    max-width: 100%;
  }

  .swiper-slide {
    flex-shrink: 0;
  }

  .solution_swiper_img {
    display: block;
    max-width: 90vw !important;
    height: 200px;
    object-fit: cover;
  }

  .solve_solution_swiper .swiper-button-prev,
  .solve_solution_swiper .swiper-button-next {
    display: none !important;
  }

  .solution_swiper_txt {
    font-size: 18px !important;
  }

  .case_content {
    background: #000;
    margin-top: 0;
    color: #fff;
  }

  .case_swiper_div {
    max-width: 100%;
  }

  .case_swiper_img {
    max-width: 90vw !important;
    height: 200px;
    object-fit: cover;
  }

  .solve_solution_swiper .swiper-button-prev,
  .solve_solution_swiper .swiper-button-next,
  .solve_case_swiper .swiper-button-prev,
  .solve_case_swiper .swiper-button-next {
    display: none !important;
  }

  .news_content {
    margin-top: 0;
    background: #000;
    padding-bottom: 40px;
  }

  .news_cover {
    flex-direction: column;
    display: none;
  }

  .news_swiper_container {
    width: 100%;
    margin-top: 20px;
    display: block !important;
  }

  .news_swiper_div {
    width: 90%;
    margin: 0 auto;
  }

  .news_swiper_img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
  }

  .news_swiper_txt {
    padding: 15px;
    background: white;
    border-radius: 0 0 8px 8px;
    box-shadow: 0px 0px 28px 0px rgba(0, 0, 0, 0.06);
    margin-top: -5px;
  }

  .news_swiper_time {
    color: #a3a3a3;
    font-size: 12px;
    margin-bottom: 8px;
  }

  .news_swiper_title {
    color: #18191a;
    font-size: 14px;
    line-height: 1.4;
  }

  .task_us_modal {
    width: 90% !important;
    height: 80vh !important;
  }

  .contact_title {
    font-size: 20px !important;
  }

  .contact_tips {
    font-size: 12px !important;
  }

  .field_name {
    width: 85% !important;
    font-size: 14px !important;
  }

  .footer_content {
    height: auto;
    padding: 30px 0;
  }

  .container_foot_logo {
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
  }

  .foot_logo {
    width: 150px;
    margin-left: 0;
  }

  .foot_logo_txt {
    margin: 15px 0 0 0;
    font-size: 14px;
  }

  .container_foot_icon {
    margin: 20px auto 0 auto;
    justify-content: center;
  }

  .foot_line {
    width: 90%;
    margin: 30px auto;
  }

  .container_foot_txt {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .foot_company_txt {
    margin: 0 0 15px 0;
    font-size: 12px;
  }

  .privacy_txt {
    margin: 5px 0;
    font-size: 12px;
  }

  .container_foot_language {
    margin: 15px auto 0 auto;
  }

  .pop_product_content {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100vw;
    background: white;
    display: none;
    z-index: 998;
  }

  .pop_product {
    width: 100%;
    height: auto;
    padding: 20px 0;
  }

  .container_product {
    flex-direction: column;
    margin-left: 0;
    align-items: center;
  }

  .item_product {
    width: 90% !important;
    height: auto;
    margin: 10px 0;
  }

  .img_product {
    max-width: 100%;
  }

  .swiper-horizontal > .swiper-pagination-bullets {
    bottom: 5% !important;
  }

  .changeLanguage {
    position: fixed;
    top: 60px;
    right: 0;
    width: 150px;
    height: auto;
    border-radius: 0 0 0 10px;
  }

  .overlay {
    background-color: rgba(0, 0, 0, 0.3);
  }

  .solve_solution_swiper .swiper-slide,
  .solve_case_swiper .swiper-slide {
    transform: scale(0.95);
    opacity: 0.7;
    transition: all 0.3s ease;
    z-index: 1;
  }

  .solve_solution_swiper .swiper-slide-active,
  .solve_case_swiper .swiper-slide-active {
    transform: scale(1.05) !important;
    opacity: 1 !important;
    z-index: 10 !important;
  }

  .solve_solution_swiper .swiper-slide-prev,
  .solve_solution_swiper .swiper-slide-next,
  .solve_case_swiper .swiper-slide-prev,
  .solve_case_swiper .swiper-slide-next {
    transform: scale(0.95) !important;
    opacity: 0.8 !important;
    z-index: 5 !important;
  }

  .swiper-horizontal > .swiper-pagination-bullets,
  .swiper-pagination-bullets.swiper-pagination-horizontal {
    bottom: -30px !important;
  }

  .solution_swiper_container,
  .case_swiper_container {
    padding-bottom: 40px !important;
  }

  .solution_swiper_div,
  .case_swiper_div {
    overflow: visible !important;
  }

  .solution_swiper_container .swiper-pagination-bullet,
  .case_swiper_container .swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.5);
    width: 8px;
    height: 8px;
    margin: 0 4px;
  }

  .solution_swiper_container .swiper-pagination-bullet-active,
  .case_swiper_container .swiper-pagination-bullet-active {
    background: #0275ff;
    width: 20px;
    border-radius: 4px;
  }

  .solve_solution_swiper .swiper-pagination,
  .solve_case_swiper .swiper-pagination {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: static !important;
    margin-top: 20px !important;
    height: 30px !important;
  }

  .solve_solution_swiper .swiper-pagination-bullet,
  .solve_case_swiper .swiper-pagination-bullet {
    background: #fff !important;
    opacity: 0.7 !important;
    width: 12px !important;
    height: 2px !important;
  }

  .solve_solution_swiper .swiper-pagination-bullet-active,
  .solve_case_swiper .swiper-pagination-bullet-active {
    background: #0275ff !important;
    opacity: 1 !important;
    width: 12px !important;
    height: 2px !important;
  }

  .news_swiper_container .swiper-pagination {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: static !important;
    margin-top: 15px !important;
    height: 30px !important;
  }

  .solve_solution_swiper .swiper-pagination-bullet,
  .solve_case_swiper .swiper-pagination-bullet,
  .news_swiper_container .swiper-pagination-bullet {
    background: #fff !important;
    opacity: 0.7 !important;
    width: 12px !important;
    margin: 0 4px !important;
  }

  .solve_solution_swiper .swiper-pagination-bullet-active,
  .solve_case_swiper .swiper-pagination-bullet-active,
  .news_swiper_container .swiper-pagination-bullet-active {
    background: #0275ff !important;
    opacity: 1 !important;
    width: 12px !important;
  }

  .solve_news_swiper .swiper-slide {
    max-height: 350px !important;
  }

  .news_swiper_img {
    height: 200px !important;
    width: 100% !important;
    object-fit: cover !important;
  }

  .news_swiper_txt {
    min-height: 70px !important;
    display: flex !important;
    flex-direction: column !important;
    padding: 15px !important;
    background: white !important;
  }

  .news_swiper_time {
    font-size: 12px !important;
    color: #a3a3a3 !important;
    margin-bottom: 8px !important;
  }

  .news_swiper_title {
    font-size: 14px !important;
    line-height: 1.4 !important;
    color: #18191a !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 3 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
  }

  .news_title {
    margin-top: 0;
  }

  .footer_content {
    display: none;
  }

  .footer_h5 {
    display: block;
    background: #000;
    color: #fff;
    padding: 0 20px 30px;
  }

  .footer_h5_block {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }

  .footer_h5_title {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 16px;
    cursor: pointer;
  }

  .footer_h5_title.link {
    cursor: pointer;
  }

  .arrow {
    width: 8px;
    height: 8px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg);
    transition: transform 0.3s ease;
  }

  .arrow.right {
    transform: rotate(-45deg);
  }

  .footer_h5_list {
    display: none;
    padding-bottom: 10px;
  }

  .footer_h5_block.active .footer_h5_list {
    display: block;
  }

  .footer_h5_block.active .arrow {
    transform: rotate(-135deg);
  }

  .footer_h5_item {
    display: block;
    padding: 10px 0;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
  }

  .footer_h5_item.active {
    color: #0275ff;
  }

  .footer_h5_contact {
    padding: 24px 0;
  }

  .contact_item {
    display: flex;
    align-items: center;
    font-size: 15px;
    margin-bottom: 12px;
  }

  .contact_item a {
    color: #fff;
    text-decoration: none;
  }

  .contact_item .icon {
    margin-right: 8px;
  }

  .footer_h5_bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 16px;
    text-align: center;
  }

  .copyright {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
  }

  .footer_h5_links {
    margin-top: 10px;
    font-size: 13px;
  }

  .footer_h5_links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    margin: 0 6px;
  }
}
