body::-webkit-scrollbar {
  width: 0 !important;
}
body,
html {
  -ms-overflow-style: none;
  overflow: -moz-scrollbars-none;
  scrollbar-width: none;
}
.banner {
  background: center center no-repeat;
  background-size: cover;
}
.banner_content {
  /*max-width: 1200px;*/
  height: 100%;
  width: 80%;
  flex-direction: column;
  align-items: start;
  margin: 0 auto;
}
.banner_content h1 {
  font-weight: 300;
  line-height: 85px;
  color: #ffffff;
  font-size: 72px;
  margin-bottom: 30px;
  top: 50px;
  opacity: 0;
}
.banner_content h2 {
  font-size: 72px;
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 10px;
  top: 50px;
  opacity: 0;
}
.banner_content p {
  font-size: 30px;
  font-weight: 300;
  color: #ffffff;
  margin-bottom: 100px;
  top: 50px;
  opacity: 0;
}
.banner_content .button_w {
  margin-left: 40px;
}
.banner_content .button_box {
  top: 50px;
  opacity: 0;
}
@keyframes banner {
  0% {
    opacity: 0;
    top: 50px;
  }
  100% {
    opacity: 1;
    top: 0;
  }
}
.icon_down {
  position: absolute;
  left: calc(50% - 12px);
  bottom: 66px;
  animation: bounce 2s;
  animation-iteration-count: infinite;
}
@keyframes bounce {
  0%,
  100%,
  20%,
  50%,
  80% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  40% {
    -webkit-transform: translateY(5px);
    transform: translateY(5px);
  }
  60% {
    -webkit-transform: translateY(3px);
    transform: translateY(3px);
  }
}
.partner_box {
  background-image: url('../image/Partners.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.swiper-slide {
  margin: 0 25px;
}
.swiper-slide img {
  height: 100px;
}
.swiper-slide {
  text-align: center;
  font-size: 18px;
  width: unset;
}
.mySwiper1 img {
  height:50px;
}
.partner_title {
  max-width: 1200px;
  width: 100%;
  text-align: center;
  margin: auto;
  margin-top: 12vh;
  padding-bottom: 110px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.partner_title h2 {
  font-size: 48px;
  font-weight: 500;
  color: #ffffff;
  padding-bottom: 15px;
}
.partner_title p {
  font-size: 30px;
  font-weight: 400;
  color: #ffffff;
  margin-top: 15px;
}
.partner_title p span {
  font-size: 50px;
  display: inline-block;
  margin-left: 10px;
}
.swiper {
  margin-top: 30px;
}
.mySwiper1 {
  margin-top: 70px;
  overflow: hidden;
}
.assembly_box .mySwiper1:nth-child(1) {
  margin-top: 0px;
}
.button_boxes {
  width: 100%;
  position: absolute;
  bottom: 10%;
}
.button_boxes div {
  margin: 0 20px;
}
.change_img {
  background: url("../image/bg_img1.png") no-repeat;
  background-size: cover;
  overflow: hidden;
}
.change_img_title,
.change_img_img,
.change_img_content {
  width: 100%;
  text-align: center;
}
.change_img_title h2 {
  font-size: 38px;
  font-weight: 400;
  color: #ffffff;
  margin-top: 14vh;
}
.change_img_img {
  margin-top: -25px;
}
.change_img_title h1 {
  font-size: 72px;
  font-weight: bold;
  color: #ffffff;
  margin-top: 20px;
}
.change_img_content {
  margin-top: -40px;
}
.change_img_content p {
  font-size: 24px;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 10px;
}

.idea {
}
.idea video {
  width: 100%;
}
.idea_box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("../image/idea_bg.png");
}
.idea_box h2 {
  width: 100%;
  text-align: center;
  font-size: 50px;
  font-weight: 400;
  color: #ffffff;
  margin-top: 10px;
}
.idea_box h1 {
  width: 100%;
  text-align: center;
  font-size: 60px;
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 10px;
  font-family: HarmonyOS_bold;
}
.idea_box .flex {
  width: 100%;
  height: 100%;
  flex-direction: column;
  background: rgba(0, 0, 0, 0.5);
}

.assembly2 a {
  font-size: 18px;
  font-weight: 400;
  position: relative;
  color: #af100c !important;
}
.assembly2_1 .assembly2_1_box a {
  margin-top: 35px;
  position: relative;
  color: #ffffff !important;
}
.assembly2 .assembly2_2 a:hover::after,
.assembly2_1 .assembly2_1_box a:hover::after,
.assembly2_3_4_4 p:hover::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background-color: #999999;
  position: absolute;
  top: 25px;
  animation: a_line 2s;
  animation-iteration-count: infinite;
}
.assembly2_3_4_4 p:hover::after {
  background: #ffffff;
  top: 65px;
}
.assembly {
  padding: 50px 0 100px;
}
.assembly_box {
  width: 1200px;
  margin: 0 auto 0;
  opacity: 1;
}
.assembly1 {
  width: 1200px;
  height: 500px;
  opacity: 1;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}
.assembly1 img {
  width: 100%;
  margin-top: -50px;
}
.assembly1_box {
  position: absolute;
  width: 60%;
  height: 100%;
  top: 0;
  left: 0;
  margin-left: 100px;
}
.assembly1_box {
  flex-direction: column;
  align-items: start;
}
.assembly1_box p {
  font-size: 38px;
  font-weight: 400;
  color: #ffffff;
}
.assembly1_box h2 {
  font-size: 54px;
  font-weight: bold;
  color: #ffffff;
}
.assembly1_box_h2 {
  margin: 30px 0 55px;
  line-height: 70px;
}
.assembly2 {
  width: 100%;
  height: 540px;
  margin-top: 20px;
  opacity: 1;
}
.assembly2_1 {
  width: 350px;
  height: 540px;
  position: relative;
  left: 60px;
  opacity: 0;
}
@keyframes assembly2_1 {
  0% {
    opacity: 0;
    left: 60px;
  }
  100% {
    opacity: 1;
    left: 0;
  }
}
.running .assembly2_1 {
  animation: assembly2_1 0.6s forwards;
  animation-delay: 0.2s;
}
.assembly2_1 img {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 20px;
}
.assembly2_1 .assembly2_1_box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  flex-direction: column;
  cursor: pointer;
}
.assembly2_1 .assembly2_1_box p {
  font-size: 38px;
  font-weight: 500;
  color: #ffffff;
  margin: 150px 0 15px;
}
.assembly2_1 .assembly2_1_box h2 {
  font-size: 18px;
  font-weight: 400;
  line-height: 26px;
  color: #ffffff;
  text-align: center;
  padding: 0 10px;
}

.assembly2_2 {
  flex-direction: column;
  height: 100%;
}
.assembly2_2_1,
.assembly2_2_2 {
  width: 350px;
  height: 260px;
  left: 60px;
  opacity: 0;
  cursor: pointer;
}
.running .assembly2_2_1 {
  animation: assembly2_1 0.6s forwards;
  animation-delay: 0.3s;
  border-radius: 20px;
}
.running .assembly2_2_1 > div{
  display: flex;
  height: 100%;
  width: 100%;
  border-radius: 20px;
  overflow: hidden;
}
.running .assembly2_2_1 img {
  max-width: 100%;
  width: 100%;
  height: 100%;
}
.running .assembly2_2_2 {
  animation: assembly2_1 0.6s forwards;
  animation-delay: 0.4s;
}
.assembly2_2_1 .pos_abs,
.assembly2_2_2 .pos_abs {
  width: 100%;
  top: 0;
  left: 0;
  height: 100%;
}
.assembly2_2 .pos_abs {
  flex-direction: column;
  padding: 20px;
  box-sizing: border-box;
}
.assembly2_2 .pos_abs h2 {
  font-size: 38px;
  font-weight: 500;
  color: #000000;
}
.assembly2_2 .pos_abs p {
  font-size: 18px;
  line-height: 1.5;
  font-weight: 400;
  color: #000000;
  text-align: center;
  margin: 15px 0 30px;
}
.assembly2_3 {
  width: 460px;
  height: 540px;
  flex-direction: column;
}
.assembly2_3_1,
.assembly2_3_2,
.assembly2_3_3,
.assembly2_3_4 {
  width: 460px;
  height: 120px;
  border-radius: 20px;
  position: relative;
  left: 60px;
  opacity: 0;
}
.assembly2_3_4 {
  cursor: pointer;
}
.assembly2 .assembly2_2 a:hover::after {
  background-color: #af100c !important;
}

.running .assembly2_3_1 {
  animation: assembly2_1 0.6s forwards;
  animation-delay: 0.5s;
}
.running .assembly2_3_2 {
  animation: assembly2_1 0.6s forwards;
  animation-delay: 0.6s;
}
.running .assembly2_3_3 {
  animation: assembly2_1 0.6s forwards;
  animation-delay: 0.7s;
}
.running .assembly2_3_4 {
  animation: assembly2_1 0.6s forwards;
  animation-delay: 0.8s;
}
.assembly2_3_1 {
  background: #f6efff;
}
.assembly2_3_1 h3 {
  font-size: 14px;
  font-weight: 400;
  color: #000000;
  margin-left: 55px;
  margin-top: 32px;
}
.assembly2_3_1 p {
  font-size: 24px;
  font-weight: 400;
  color: #000000;
  margin-left: 55px;
  margin-top: 10px;
}
.assembly2_3_1 p span {
  font-size: 38px;
  font-weight: bold;
  color: #7123db;
}
.assembly2_3_2 {
  background: #e5f1fa;
}
.assembly2_3_3 {
  background: #e7f4e6;
}
.assembly2_3_2 p,
.assembly2_3_3 p {
  font-size: 28px;
  font-weight: 400;
  color: #000000;
  margin: 0 30px 0 55px;
}
.assembly2_3_4_1 {
  top: 30px;
  left: 30px;
}
.assembly2_3_4_1 p {
  font-size: 24px;
  font-weight: 400;
  color: #000000;
}
.assembly2_3_4_1 .p2 {
  color: #f47305;
  margin-bottom: 10px;
}
.assembly2_3_4_2 {
  width: 1px;
  height: 58px;
  background-color: #000000;
  top: 30px;
  left: 144px;
}
.assembly2_3_4_3 {
  font-size: 60px;
  font-weight: 500;
  color: #000000;
  top: 30px;
  left: 153px;
}
.assembly2_3_4_4 {
  width: 48px;
  height: 58px;
  font-size: 24px;
  font-weight: 400;
  line-height: 30px;
  color: #ffffff;
  top: 30px;
  right: 32px;
}
.contact {
  width: 100%;
  height: 700px;
  /*background: url("../image/contact.png");*/
  background-repeat: no-repeat;
  background-size: cover;
}
.contact_box {
  width: 1200px;
  height: 100%;
  margin: 0 auto;
  align-items: start;
}
.contact_box_1 {
  font-size: 38px;
  font-weight: 400;
  color: #ffffff;
  margin-top: 133px;
}
.contact_box_2 {
  font-size: 60px;
  font-weight: bold;
  color: #ffffff;
  margin-top: 4px;
}
.contact_box_3 {
  font-size: 24px;
  font-weight: 400;
  color: #ffffff;
  margin-top: 48px;
}
.contact_box_4 {
  font-size: 38px;
  font-weight: bold;
  color: #ffffff;
  margin-top: 6px;
}
.contact_box_5 {
  font-size: 24px;
  font-weight: 400;
  color: #ffffff;
  margin-top: 20px;
}
.input1 {
  width: 400px;
  height: 54px;
  border: 1px solid #dddddd;
  border-radius: 6px;
  margin-bottom: 25px;
  padding-left: 20px;
  color: #ffffff;
}
.input2 {
  width: 400px;
  height: 100px;
  border: 1px solid #ffffff;
  border-radius: 6px;
  padding-left: 20px;
  margin-bottom: 25px;
  color: #ffffff;
  padding-top: 20px;
}
.title_box {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.contact form {
  flex-direction: column;
  align-items: start;
  margin-top: 133px;
}
.input3 {
  width: 230px;
  height: 50px;
  border: 1px solid #ffffff;
  border-radius: 6px;
  padding-left: 20px;
  color: #ffffff;
}
.input4 {
  width: 420px;
  height: 50px;
  background: #e4e4e6;
  border-radius: 6px;
  margin-top: 25px;
  line-height: 50px;
  text-align: center;
  color: #000000;
  font-size: 17px;
  cursor: pointer;
}
.input4:hover {
  animation: input4 0.6s forwards;
}
@keyframes input4 {
  0% {
    background: #e4e4e6;
    color: #000000;
  }
  100% {
    background: #303030;
    color: #ffffff;
  }
}
@keyframes img_change {
  0% {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
  }
  90% {
    width: 1200px;
    height: 500px;
    top: 0;
    left: calc(50vw - 608px);
    border-radius: 20px;
    opacity: 1;
  }
  100% {
    width: 1200px;
    height: 500px;
    top: 0;
    left: calc(50vw - 608px);
    border-radius: 20px;
    opacity: 0;
  }
}
@keyframes img_change2 {
  0% {
    height: 100%;
  }
  50% {
    height: 500px;
  }
  75% {
    height: 500px;
    opacity: 0;
  }
  100% {
    opacity: 0;
    height: 0;
  }
}
.gradual_leave {
  animation: gradual_leave 0.6s;
  animation-fill-mode: forwards;
}
.gradual_enter {
  animation: gradual_enter 0.6s;
  animation-fill-mode: forwards;
}
@keyframes gradual_leave {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes gradual_enter {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes a_line {
  0% {
    width: 0;
    left: 0;
  }
  40% {
    width: 100%;
    left: 0;
  }
  60% {
    width: 100%;
    right: 0;
  }
  100% {
    width: 0;
    right: 0;
  }
}
.evaluate {
  position: fixed;
  width: 100%;
  background: #0f1112;
  opacity: 1;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 13;
  overflow: auto;
  padding-top: 60px;
}
.evaluate_box {
  width: 1200px;
  margin: 50px auto 50px;
}
.evaluate_box_1 img {
  margin: 120px 0 0 10px;
  opacity: 0;
}
.running .evaluate_box_1 img {
  animation: evaluate 0.6s forwards;
}

.running .evaluate_delay1 img {
  animation-delay: 0.3s;
}
.running .evaluate_delay2 img {
  animation-delay: 0.45s;
}
.running .evaluate_delay3 img {
  animation-delay: 0.6s;
}
.running .evaluate_delay4 img {
  animation-delay: 0.75s;
}
@keyframes evaluate {
  0% {
    margin: 120px 0 0 10px;
    opacity: 0;
  }
  100% {
    margin: 40px 0 0 10px;
    opacity: 1;
  }
}
.evaluate_box_2 {
  margin: 40px 0;
}
.waterfall {
  column-count: 4;
  column-gap: 40px;
}
.item {
  break-inside: avoid;
}
.item-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: auto;
  font-size: 20px;
  color: #686868;
  box-sizing: border-box;
}
.item1 {
  margin-top: 100px;
}
.evaluate_box_2 {
  background: url("../image/evalutebanner.png");
  background-size: cover;
  border-radius: 15px;
  width: 280px;
  height: 70px;
  padding: 15px 20px;
  opacity: 0;
  transform: scale(1);
  animation: evaluate2 1.5s forwards;
  animation-delay: 0.5s;
}
@keyframes evaluate2 {
  0% {
    opacity: 0;
    transform: scale(1);
  }
  40% {
    opacity: 1;
    transform: scale(1);
  }
  60% {
    opacity: 1;
    transform: scale(1.1);
  }
  80% {
    opacity: 1;
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}
.evaluate_box_1_1 img {
  margin-top: 100px;
}
.evaluate_box_2 p {
  font-size: 16px;
  font-weight: 400;
  line-height: 22px;
  color: #000000;
}
.evaluate_box_2 p img {
  vertical-align: sub;
}
.close_evaluate {
  position: fixed;
  top: 55px;
  right: 55px;
  cursor: pointer;
  z-index: 5;
}

.wave_box {
  display: none;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  top: -20%;
  z-index: 1;
}
.wave {
  width: 200px;
  height: 200px;
  border: 1px solid #ffffff;
  border-radius: 50%;
  opacity: 0;
  animation: wave 4s linear infinite;
}
.wave1 {
  animation-delay: 2s;
}
.wave2 {
  animation-delay: 3s;
}
.wave3 {
  animation-delay: 4s;
}
.wave4 {
  animation-delay: 5s;
}
.change_father_box {
  width: 100%;
  height: 600vh;
  position: relative;
  background: #050608;
}
.change_father_box .change_img {
  position: absolute;
  top: 0;
  height: 100vh;
}
.change_img_box {
  width: 100%;
  height: 100vh;
  background-color: rgba(255, 255, 255, 0);
  position: absolute;
  z-index: 1;
  display: flex;
  flex-direction: column;
}
@keyframes wave {
  0% {
    transform: scale(1);
    opacity: 0;
  }
  1% {
    transform: scale(1);
    opacity: 0.15;
  }
  100% {
    transform: scale(10);
    opacity: 0;
  }
}
.code {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
}
.code div {
  width: 160px;
  height: 50px;
}
.code img {
  width: 100%;
  height: 100%;
}
.nav {
  position: absolute;
  top: calc(50vh - 100px);
  right: 10%;
}
.nav img {
  margin: 0 8px;
}
.nav .pos_rel .pos_abs {
  top: 85px;
  right: -14px;
}
.nav h2 {
  font-size: 30px;
  font-weight: bold;
  color: #ffffff;
  opacity: 0.96;
}
.nav p {
  font-size: 14px;
  font-weight: 300;
  color: #ffffff;
  opacity: 0.35;
}
.num_box {
  flex-direction: column;
  width: 36px;
  height: 34px;
  overflow: hidden;
}
.num_box .num_01 {
  margin-top: 60px;
}
@keyframes num_1to2 {
  0% {
    margin-top: 60px;
  }
  100% {
    margin-top: 0;
  }
}
@keyframes num_2to3 {
  0% {
    margin-top: 0px;
  }
  100% {
    margin-top: -60px;
  }
}
@keyframes num_3to2 {
  0% {
    margin-top: -60px;
  }
  100% {
    margin-top: 0;
  }
}
@keyframes num_2to1 {
  0% {
    margin-top: 0;
  }
  100% {
    margin-top: 60px;
  }
}
.service {
  left: -160px;
}
.right_img {
  display: block;
}
.base_footer_2_1 {
  align-items: start;
}
.change_img_img img {
  width: 25%;
}
.close_11_box {
  display: none;
}
.partner_box_m {
  display: none;
}
.banner_mobile {
  display: none;
  position: relative;
}
.change_img_p .assembly_box {
  height: 100%;
}
.change_img_p .assembly_box {
  display: flex;
  align-items: center;
}
.change_img_p .assembly_box .txt {
  width: 50%;
  color: #fff;
  padding-right: 20px;
  box-sizing: border-box;
}
.change_img_p .assembly_box .txt li {
  padding-top: 15px;
  border-bottom: 1px solid #3c3c3c;
}
.change_img_p .assembly_box .txt li:nth-child(4) {
  border-bottom:none;
}
.change_img_p .assembly_box .txt h3 {
  font-size: 22px;
  line-height: 35px;
  color: #333;
  position: relative;
}
.change_img_p .assembly_box .txt h3 img {
  position: absolute;
  width: 15px;
  height: 15px;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  transition: all 0.3s;
}
.change_img_p .assembly_box .txt h3 img.on {
  transform: translateY(-50%) rotate(180deg);
}
.change_img_p .assembly_box .txt h4 {
  font-size: 16px;
  line-height: 28px;
  padding-bottom: 10px;
  color: #666;
}
.change_img_p .assembly_box .txt .con {
  margin-bottom: 20px;
  display: none;
}
.change_img_p .assembly_box .txt .con p {
  line-height: 1.8;
  font-size: 14px;
  color: #999;
}
.change_img_p .assembly_box .img_box_txt {
  width: 50%;
  text-align: right;
}
.change_img_p .assembly_box .img_box_txt img {
  display: none;
}
.change_img_p .assembly_box .img_box_txt img.on {
  display: block;
}
.change_img_m .assembly_box {
  width: 90%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.assembly_box2 {
  width: 100%;
  max-width: 80%;
}
.change_img_m .change_img_m_tit {
  overflow: hidden;
  border-bottom: 1px solid #666;
  display: flex;
}
.change_img_m .change_img_m_tit .swiper-slide {
  margin: 0;
}
.change_img_m .change_img_m_tit h3 {
  font-size: 16px;
  padding-bottom: 20px;
  color: #fff;
}
.change_img_m .change_img_m_tit h3.on {
  border-bottom: 3px solid #af100c;
}
.change_img_m .change_img_m_con li {
  display: none;
  padding-bottom: 20px;
}
.change_img_m .change_img_m_con li.on {
  display: block;
}
.change_img_m .change_img_m_con img {
  max-width: 100%;
}
.change_img_m .change_img_m_con h4 {
  color: #fff;
  margin: 20px 0;
}
.change_img_m .change_img_m_con .con {
  line-height: 30px;
  font-size: 14px;
  color: #fff;
}
.swiper1 {
  margin: 0;
  height: 100%;
  overflow: hidden;
}
.swiper1 .swiper-slide {
  margin: 0;
  display: flex;
  align-items: center;
}
.swiper1 .swiper-slide .txt {
  flex-grow: 1;
  margin-right: 30px;
  text-align: left;
  color: #fff;
}
.swiper1 .swiper-slide .txt h3 {
  font-size: 48px;
  line-height: 1;
  padding-bottom: 20px;
}
.swiper1 .swiper-slide .txt h4 {
  font-size: 26px;
  line-height: 1.5;
  padding-bottom: 20px;
}
.swiper1 .swiper-slide .txt p {
  line-height: 35px;
  font-size: 16px;
}
.swiper1 .swiper-slide .img {
  width: 50%;
  flex-shrink: 0;
}
.swiper1 .swiper-slide img {
  height: auto;
  width: 100%;
}
.swiper1 .swiper-pagination {
  bottom: 30px !important;
}
.swiper1 .swiper-pagination span {
  width: 40px;
  height: 10px;
  border-radius: 10px;
  background-color: #fff;
}
.swiper1 .swiper-pagination .swiper-pagination-bullet-active {
  background-color: #af100c;
}

@media screen and (max-width: 1920px) {
  .change_img_title h1 {
    font-size: 4.5vw;
  }
  .change_img_title h2 {
    font-size: 2.5vw;
    margin-top: 11vh;
  }
  .change_img_content p {
    font-size: 1.5vw;
  }
  .button_boxes {
    /*bottom: 8vh;*/
  }
  .evaluate_box .opacity_none {
    display: none;
  }
}
.change_img_m {
  display: none;
}
@media screen and (max-width: 1024px) {
  .change_img_m {
    display: block;
  }
  .change_img_p {
    display: none;
  }
  .partner_title p span {
    font-size: 24px;
  }
  .close_11 {
    display: block;
    width: 44px;
    height: 44px;
    cursor: pointer;
  }
  .banner {
    display: none;
  }
  .partner_box_pc {
    display: none;
  }
  .partner_box_m {
    display: block;
  }
  .banner_mobile {
    display: block;
  }
  .close_11_box {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
  }
  .assembly {
    padding: 45px 0;
    overflow: hidden;
  }
  .assembly_box {
    width: 100%;
    margin: 0 auto;
  }
  .assembly1 {
    width: 90%;
    margin: 0 auto;
    height: unset;
  }
  .assembly1 img {
    margin-top: 0;
  }
  .assembly1_box {
    height: 85%;
  }
  .assembly1_box .button_w {
    display: none;
  }
  .assembly1_box p {
    font-size: 14px;
  }
  .assembly1_box {
    width: unset;
    margin-left: 20px;
  }
  .assembly1_box_h2 {
    margin: 5px 0 0;
    line-height: unset;
  }
  .assembly1_box h2 {
    font-size: 17px;
    font-weight: 500 !important;
    letter-spacing: 1px;
    line-height: 20px;
  }
  .contact_box {
    width: 80%;
    margin: 0 auto;
    justify-content: start;
  }
  .assembly2 {
    width: 90%;
    margin: 10px auto 0;
    flex-wrap: wrap;
    height: unset;
  }
  .assembly2_2_1,
  .assembly2_2_2 {
    width: 50%;
  }
  .assembly2_1 {
    width: 100%;
    height: unset;
  }
  .assembly2_2 {
    flex-direction: unset;
    width: 100%;
    margin-top: 10px;
  }
  .zujian2,
  .zujian3 {
    width: 100%;
  }
  .assembly2_2 .pos_abs {
    padding: 10px;
  }
  .assembly2_2 .pos_abs h2 {
    font-size: 22px;
  }
  .assembly2_2 .pos_abs p {
    font-size: 12px;
    line-height: 1.5;
    text-align: center;
    /*line-height: 14px;*/
    margin: 10px 0;
  }
  .assembly2 a {
    font-size: 12px;
  }
  .assembly2_2_1,
  .assembly2_2_2 {
    height: unset;
  }
  .assembly2_2_1 {
    margin-right: 5px;
  }
  .assembly2_2_2 {
    margin-left: 5px;
  }
  .assembly2_2 .pos_abs p span {
    display: block;
  }
  .assembly2_3 {
    width: 100%;
    height: 430px;
  }
  .assembly2_3_1 {
    width: 100%;
    margin-top: 10px;
  }
  .assembly2_3_1 h3 {
    font-size: 14px;
    margin-left: 40px;
  }
  .assembly2_3_1 p {
    font-size: 17px;
    margin-left: 40px;
    font-family: HarmonyOS_bold;
  }
  .assembly2_3_m {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }
  .assembly2_3_3_m {
    background: #e7f4e6 !important;
  }
  .assembly2_3_2 {
    background: unset;
  }
  .assembly2_3_2_m,
  .assembly2_3_3_m {
    width: 48%;
    height: 152px;
    background: #e5f1fa;
    opacity: 1;
    border-radius: 10px;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
  }
  .assembly2_3_2 p,
  .assembly2_3_3 p {
    margin: 10px 0 0;
    font-size: 17px;
    font-weight: 500;
    line-height: 20px;
    text-align: center;
    color: #000000;
    font-family: HarmonyOS_medium;
  }
  .assembly2_3_4 {
    width: 100%;
  }
  .assembly2_3_4 img {
    width: 100%;
  }
  .assembly2_3_4_1 p {
    font-size: 17px;
    font-weight: 500 !important;
  }
  .assembly2_3_4_3 {
    font-size: 38px;
    top: 27px;
    left: 123px;
  }
  .assembly2_3_4_4 {
    font-size: 24px;
    top: 16px;
    right: 16px;
  }
  .assembly2_3_1 p span {
    font-size: 25px;
  }
  .assembly2_3_4_1 .p2 {
    margin-bottom: 5px;
  }
  .assembly2_3_4_1 {
    top: 27px;
    left: 27px;
  }
  .assembly2_3_4_2 {
    height: 40px;
    top: 26px;
    left: 110px;
  }

  .partner_title {
    margin-top: 60px;
    padding-bottom: 30px;
    gap: 5px 20px;
  }
  .partner_title h2 {
    font-size: 30px;
    line-height: 37px;
    padding-bottom: unset;
  }
  .partner_title p {
    font-size: 14px;
    /*line-height: 5px;*/
  }
  .str_wrap img {
    margin-right: 22px;
    margin-bottom: 22px;
    height: 44px;
  }
  .change_img_title h2 {
    font-size: 20px;
  }
  .change_img_title h1 {
    font-size: 37px;
  }
  .change_img_img {
    margin-top: -15px;
  }
  .change_img_title h1 {
    margin-top: 15px;
  }
  .nav {
    display: none;
  }
  .change_img_content p {
    font-size: 17px;
  }
  .change_img_title h2 {
    margin-top: 80px;
  }
  .idea video {
    width: 260%;
    margin-left: -500px;
  }
  .idea_box {
    background: url("../image/idea_bg.png") repeat;
    background-size: cover;
  }
  .idea_box .flex {
    background: url("../image/idea_bg1.png") repeat;
    background-size: cover;
  }
  .idea_box h1 {
    font-size: 32px;
    width: 90%;
    text-align: start;
  }
  .idea_box h2 {
    font-size: 24px;
    width: 90%;
    text-align: start;
  }
  .assembly2_1 .assembly2_1_box p {
    margin: 47px auto 10px;
    font-size: 22px;
  }
  .assembly2_1 .assembly2_1_box h2 {
    font-size: 12px;
    line-height: 16px;
  }
  .assembly2_1 .assembly2_1_box a {
    font-size: 12px;
    margin-top: 10px;
  }
  .contact {
    background: url("../image/contact.png");
    background-size: cover;
    /* height: 812px; */
    width: 100%;
  }
  .contact_box {
    width: 90%;
    margin: 0 auto;
    flex-direction: column;
  }
  .contact_box_1 {
    font-size: 24px;
    margin-top: 70px;
  }
  .contact_box_2 {
    font-size: 37px;
  }
  .contact_box_3 {
    font-size: 14px;
    margin-top: 25px;
  }
  .contact_box_4 {
    font-size: 24px;
  }
  .contact_box_5 {
    font-size: 14px;
  }
  .contact .form_1 {
    width: 100%;
    margin-top: 50px;
  }
  .form_1 input,
  .input2 {
    width: calc(98% - 20px);
  }
  .form_1 .input3 {
    width: 40%;
  }
  .input4 {
    width: 98%;
  }
  .evaluate_box {
    width: 80%;
  }
  .waterfall {
    column-count: 2;
  }
  .close_evaluate {
    display: none;
    position: absolute;
    top: 414%;
    right: calc(50% - 27px);
  }
  .evaluate_box_1 img {
    width: 150px;
  }
  .evaluate_box_2 {
    width: 150px;
  }
  .evaluate_box_2 p {
    font-size: 12px;
  }
  .assembly2_1 .assembly2_1_box {
    position: relative;
    padding-bottom: 40px;
  }
  .assembly2_1 img {
    position: absolute;
    object-fit: cover;
    border-radius: 10px;
  }
}
@media screen and (max-width: 350px) {
  .banner_mobile_box img:first-child {
    margin-top: 185px;
  }
  .partner_title {
    margin-top: 30px;
  }
  .partner_title h2 {
    font-size: 25px;
    line-height: 30px;
  }
  .str_wrap img {
    margin-bottom: 5px;
  }
  .partner_title {
    padding-bottom: 20px;
  }
  .change_img_img img {
    width: 70%;
  }
  .change_img_content p {
    font-size: 12px;
  }
  .change_img_content3 p {
    width: 80%;
    margin: 0 auto;
    line-height: 20px;
  }
  .base_footer_2_m .base_footer_2_2 {
    width: 80%;
  }
  .assembly2_1 .assembly2_1_box p {
    margin: 30px auto 10px;
  }
  .assembly2_3_1 p {
    margin-left: 20px;
  }
  .assembly2_3_1 h3 {
    margin-left: 20px;
  }
  .assembly2_3_4_1 {
    top: 20px;
    left: 20px;
  }
  .assembly2_3_4_2 {
    height: 40px;
    top: 20px;
    left: 100px;
  }
  .assembly2_3_4_3 {
    font-size: 36px;
    top: 22px;
    left: 104px;
  }
  .assembly2_3_4_4 {
    font-size: 24px;
    top: 10px;
    right: 10px;
  }
}
@media screen and (max-width: 400px) {
  .change_img_img img {
    width: 85%;
  }
  .change_img_content p {
    width: 90%;
    line-height: 22px;
    margin: 0 auto;
    font-size: 16px;
  }
}
@media screen and (max-width: 500px) {
  .change_img_img img {
    width: 85%;
  }
  .change_img_content p {
    width: 90%;
    line-height: 22px;
    margin: 0 auto;
    font-size: 16px;
  }
  .title_box {
    height: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
}