.main_middle {
  width: 1400px;
  margin: 0 auto;
}

/* phone_menu_container */
.phone_menu_container,
.phone_roof,
.for_roof {
  display: none;
}


/* page_roof_container_down */
.page_roof_container_down {
  height: 80px !important;
  background-color: rgba(0, 0, 0, 0.8) !important;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
}

.page_roof_container_down .page_roof .roof_menu .roof_menu_li::after {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

/* page_roof_container */
.page_roof_container {
  position: fixed;
  top: 0;
  width: 100vw;
  height: 120px;
  z-index: 999;
  transition: height 300ms linear, background-color 300ms linear;
}

.page_roof {
  height: 100%;
}

.page_roof .roof_logo {
  width: 241px;
  height: 45px;
  background-image: url('../images/logo.png');
  background-size: cover;
  background-repeat: no-repeat;
}

.page_roof .roof_menu {
  gap: 70px;
  height: 100%;
  padding-right: 60px;
}

.page_roof .roof_menu .roof_menu_li {
  position: relative;
  padding: 0 10px;
}

.page_roof .roof_menu .roof_menu_li::after {
  position: absolute;
  content: '';
  width: 100%;
  height: 0;
  top: 0;
  border-bottom-left-radius: 50px;
  border-bottom-right-radius: 50px;
  background-color: #1A66FF;
  transition: height 200ms linear;
}

.page_roof .roof_menu .roof_menu_li:hover::after {
  height: 100%;
}

.page_roof .roof_menu .roof_menu_li .menu_first_a {
  position: relative;
  text-align: center;
  color: #fff;
  line-height: 1;
  z-index: 1;
}

.page_roof .roof_menu .roof_menu_li .menu_first_a span {
  display: block;
  margin-bottom: 6px;
  text-transform: uppercase;
  font-size: 12px;
  opacity: 1;
  height: 0;
  visibility: hidden;
  transition: opacity 200ms linear, visibility 200ms linear, height 200ms linear;
}

.page_roof .roof_menu .roof_menu_li:hover .menu_first_a span {
  opacity: 0.5;
  height: 12px;
  visibility: visible;
}

.page_roof .roof_menu .roof_menu_li .menu_second {
  position: absolute;
  top: 100%;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transform: translateY(30px);
  transition: opacity 200ms linear, visibility 200ms linear,
    transform 200ms linear;
}

.page_roof .roof_menu .roof_menu_li:nth-of-type(3) .menu_second {
  width: 200%;
}

.page_roof .roof_menu .roof_menu_li:hover .menu_second {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page_roof .roof_menu .roof_menu_li .menu_second li {
  margin-top: 1px;
  text-align: center;
  font-size: 14px;
  line-height: 18px;
  overflow: hidden;
}

.page_roof .roof_menu .roof_menu_li .menu_second li:first-of-type {
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}

.page_roof_container_down .roof_menu .roof_menu_li .menu_second li:first-of-type {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.page_roof .roof_menu .roof_menu_li .menu_second li a {
  display: block;
  padding: 8px 0;
  color: #fff;
  background-color: #1A66FF;
  transition: background-color 200ms linear;
}

.page_roof .roof_menu .roof_menu_li .menu_second li a:hover {
  background-color: rgba(26, 102, 255, 0.5);
}

/* banner */
.swiper-container {
  width: 100vw;
  height: 100vh;
}

.swiper-container .swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  background-position: center;
  background-size: cover;
  background-color: #fff;
  background-repeat: no-repeat;
}

.swiper-container .swiper-slide .slide_inner {
  position: absolute;
  width: 100%;
  top: 150px;
}

.swiper-container .swiper-slide .slide_inner h3 {
  font-family: "sans";
  font-size: 90px;
  line-height: 1;
  color: #FFFFFF;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.swiper-container .swiper-slide .slide_inner img {
  margin-top: 50px;
}

.swiper-pagination {
  gap: 10px;
  left: 50% !important;
  bottom: 50px !important;
  transform: translateX(-50%) !important;
}

.swiper-pagination .my-bullet {
  display: block;
  margin: 12px 0;
  width: 76px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.4);
}

.swiper-pagination .my-bullet-active {
  background-color: #fff;
}

/* pro_container */
.pro_container {
  position: relative;
  width: 100vw;
  height: 1900px;
  /* aspect-ratio: 1920 / 2132; */
  margin-bottom: 50px;
  background-image: url('../images/bg_pro.png');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  background-color: rgb(246, 246, 246);
}

.index_pro_main {
  position: absolute;
  line-height: 1;
  transition: opacity 300ms linear;
}

.index_pro_main::after {
  position: absolute;
  top: 20px;
  left: -64px;
  content: '';
  width: 128px;
  height: 128px;
  border-radius: 50%;
  background-color: #9CE8FF;
  opacity: 0;
  transform: translateY(-40px);
  transition: opacity 300ms linear, transform 300ms linear;
}

.index_pro_main:hover::after {
  transform: translateY(0);
  opacity: 1;
}

.index_pro_main h2 {
  position: relative;
  z-index: 1;
  font-weight: 600;
  font-size: 36px;
  color: #000;
}


.index_pro_main h3 {
  position: relative;
  z-index: 1;
  margin: 14px 0 24px;
  color: #000;
}

.index_pro_main p {
  position: relative;
  z-index: 1;
  font-size: 16px;
  color: #1A66FF;
  opacity: 0;
  transition: opacity 300ms linear;
}

.index_pro_main:hover p {
  opacity: 1;
}

@keyframes index_proImg1 {
  0% {
    transform: translateY(-20px);
  }

  50% {
    transform: translateY(20px);
  }

  100% {
    transform: translateY(-20px);
  }
}

@keyframes index_proImg2 {
  0% {
    transform: translateY(20px);
  }

  50% {
    transform: translateY(-20px);
  }

  100% {
    transform: translateY(20px);
  }
}

.index_pro_img1 {
  position: absolute;
  top: 70px;
  left: 11vw;
  width: 743px;
  height: 344px;
}

.index_pro_img1 img {
  width: 38.698vw;
}

.index_pro_img1:hover img {
  animation: index_proImg2 3000ms ease-out infinite;
}

.index_pro_info1 {
  top: 200px;
  right: 32vw;
}

.index_pro_img2 {
  position: absolute;
  top: 340px;
  right: 11vw;
  width: 871px;
  height: 326px;
  justify-content: flex-end;
}

.index_pro_img2 img {
  width: 45.365vw;
}

.index_pro_img2:hover img {
  animation: index_proImg2 3000ms ease-out infinite;
}

.index_pro_info2 {
  top: 510px;
  left: 20vw;
}

.index_pro_img3 {
  position: absolute;
  top: 670px;
  left: 15vw;
  width: 643px;
  height: 444px;
}

.index_pro_img3 img {
  width: 33.49vw;
}

.index_pro_img3:hover img {
  animation: index_proImg1 3000ms ease-out infinite;
}

.index_pro_info3 {
  top: 820px;
  right: 33vw;
}

.index_pro_img4 {
  position: absolute;
  top: 1130px;
  right: 12vw;
  width: 812px;
  height: 470px;
  justify-content: flex-end;
}

.index_pro_img4 img {
  width: 42.292vw;
}

.index_pro_img4:hover img {
  animation: index_proImg2 3000ms ease-out infinite;
}


.index_pro_info4 {
  top: 1260px;
  left: 18vw;
}

.index_pro_img5 {
  position: absolute;
  top: 1550px;
  left: 12vw;
  width: 619px;
  height: 295px;
}

.index_pro_img5 img {
  width: 36vw;
}

.index_pro_img5:hover img {
  animation: index_proImg1 3000ms ease-out infinite;
}

.index_pro_info5 {
  top: 1630px;
  right: 29vw;
}

/* about_container */
.about_container {
  position: relative;
  margin-bottom: 230px;
  gap: 70px;
}

.about_left {
  width: 653px;
}

.about_left .about_left_img {
  width: 653px;
  position: relative;
}

.about_left .about_left_img::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 644px;
  height: 396px;
  background: rgba(26, 102, 255, 0.3);
  border-radius: 120px 30px 30px 30px;
}

.about_left .about_left_img img {
  position: relative;
  z-index: 1;
  border-radius: 120px 30px 30px 30px;
}

.about_left:hover .about_left_img img {
  animation: index_about_img 3000ms ease-out infinite;
}

@keyframes index_about_img {
  0% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(30px, 30px);
  }

  100% {
    transform: translate(0, 0);
  }
}

.about_left .about_left_img::after {
  content: '';
  position: absolute;
  top: 250px;
  left: 510px;
  display: block;
  width: 288px;
  height: 288px;
  background: rgba(7, 159, 217, 0.25);
  border-radius: 50%;
  z-index: 2;
}

.about_left:hover .about_left_img::after {
  animation: index_about_circle 3000ms ease-out infinite;
}

@keyframes index_about_circle {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.2);
  }

  100% {
    transform: scale(1);
  }
}

.about_right {
  flex: 1;
}

.about_right .about_title {
  margin-bottom: 30px;
  align-items: flex-end;
}

.about_right .about_title .about_title_left {}

.about_right .about_title .about_title_left h3 {
  margin-bottom: 10px;
  font-family: "sans";
  font-size: 24px;
  line-height: 1;
}

.about_right .about_title .about_title_left h4 {
  font-weight: 600;
  font-size: 40px;
  line-height: 1;
}

.about_right .about_title .about_title_right {
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
}

.about_right .about_title .about_title_right img {
  width: 20px;
}

.about_right .about_main {}

.about_bottom {
  position: absolute;
  top: 365px;
  right: 0;
  width: 952px;
  height: 212px;
  color: #fff;
  background-color: #1A66FF;
  border-radius: 10px 10px 50px 10px;
}

.about_bottom .about_bottom_item {
  line-height: 1;
}

.about_bottom .about_bottom_item .abi_top {
  margin-bottom: 20px;
  font-size: 16px;
}

.about_bottom .about_bottom_item .abi_top span {
  font-family: "sans";
  font-size: 80px;
  display: inline-block;
}

.about_bottom .about_bottom_item:nth-of-type(1) .abi_top span {
  width: 260px;
}

.about_bottom .about_bottom_item:nth-of-type(2) .abi_top span {
  width: 140px;
}

.about_bottom .about_bottom_item:nth-of-type(3) .abi_top span {
  width: 114px;
}

.about_bottom .about_bottom_item .abi_bottom {
  text-transform: uppercase;
  font-size: 16px;
}

/* global_container */
.global_container {
  position: relative;
  width: 100vw;
  aspect-ratio: 192 / 67;
  padding-top: 110px;
  background-image: url('../images/global.png');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}

.global {
  /* padding: 0 80px 0 110px; */
}

.global .global_left_wrapper {
  color: #fff;
}

.global .global_left_wrapper .global_left {
  gap: 24px;
}

.global .global_left_wrapper .global_left .global_left_t {
  font-size: 60px;
  line-height: 1;
}

.global .global_left_wrapper .global_left .global_left_info {
  /* width: 590px; */
  flex: 1;
}

.global .global_cut {
  gap: 10px;
}

.global .global_cut>img {
  cursor: pointer;
}

/* case_container */
.case_container {
  position: relative;
  width: 100vw;
  height: 1142px;
  padding-top: 150px;
  background-image: url('../images/bg_case.png');
  background-size: contain;
  background-position: center top;
  /* background-attachment: fixed; */
  background-repeat: no-repeat;
  overflow: hidden;
  background-color: rgb(35, 35, 35);
}

.case_pale {
  position: absolute;
  top: 500px;
  left: 150px;
  width: 32px;
  height: 32px;
  background-color: #A9EBFF;
  border-radius: 50%;
}

/* .case_pale:hover {
  animation: case_pale 3000ms ease-out infinite;
} */

@keyframes case_pale {
  0% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(300px);
  }

  100% {
    transform: translateX(0);
  }
}

.case_blue {
  position: absolute;
  top: 320px;
  right: 300px;
  width: 100px;
  height: 100px;
  background-color: #1A66FF;
  border-radius: 50%;
  animation: case_blue 3000ms ease-out infinite;
}

@keyframes case_blue {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(0.8);
  }

  100% {
    transform: scale(1);
  }
}

.case_circle {
  position: absolute;
  top: -370px;
  right: -310px;
  width: 920px;
  height: 920px;
  border: 2px solid rgba(26, 102, 255, 0.5);
  border-radius: 50%;
  animation: case_circle 3000ms ease-out infinite;
}

@keyframes case_circle {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.1);
  }

  100% {
    transform: scale(1);
  }
}

.case_top {
  margin-bottom: 240px;
  gap: 60px;
}

.case_top .case_top_item {
  width: 300px;
}

.case_top .case_top_item .case_top_top {
  margin-bottom: 40px;
  transform-style: preserve-3d;
  perspective: 500px;
}

.case_top .case_top_item .case_top_top img {
  margin-bottom: 20px;
  animation: case_img 3000ms ease-out infinite;
}

@keyframes case_img {
  0% {
    transform: rotateY(-40deg);
  }

  50% {
    transform: rotateY(40deg);
  }

  100% {
    transform: rotateY(-40deg);
  }
}

.case_top .case_top_item .case_top_top h2 {
  font-weight: 600;
  font-size: 30px;
  color: #FFFFFF;
  line-height: 1;
}

.case_top .case_top_item .case_top_main {
  font-size: 16px;
  color: #7E7E7E;
  line-height: 2;
}

.case_bottom {}

.case_bottom .case_bottom_t {
  width: 270px;
}

.case_bottom .case_bottom_t h2 {
  margin-bottom: 10px;
  font-weight: 600;
  font-size: 60px;
  color: #FFFFFF;
  line-height: 1;
}

.case_bottom .case_bottom_t h3 {
  font-weight: 600;
  font-size: 20px;
  color: #FFF27F;
  line-height: 1;
}

.case_bottom .case_bottom_main {
  position: relative;
  z-index: 1;
  flex: 1;
  height: 370px;
  gap: 150px;
}

.case_bottom .case_bottom_main .cbm_img {
  position: relative;
  z-index: 10;
  width: 370px;
  height: 370px;
}

.case_bottom .case_bottom_main .cbm_img img {
  width: 370px;
  height: 370px;
  border-radius: 50%;
}

.case_bottom .case_bottom_main .cbm_img::after {
  position: absolute;
  top: 0;
  left: 0;
  content: '';
  display: block;
  width: 370px;
  height: 370px;
  border-radius: 50%;
  border: 2px solid #1A66FF;
  opacity: 0.6;
  z-index: 2;
  animation: cbm_img 3000ms ease-out infinite;
  transition: transform 300ms linear;
}

@keyframes cbm_img {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.6);
  }

  100% {
    transform: scale(1);
  }
}

.case_bottom .case_bottom_main .cbm_right {
  position: relative;
  z-index: 1;
  color: #fff;
}

.case_bottom .case_bottom_main .cbm_right .cbm_t {
  margin-bottom: 24px;
}

.case_bottom .case_bottom_main .cbm_right .cbm_t h2 {
  padding-bottom: 20px;
  font-weight: 600;
  font-size: 36px;
  line-height: 1;
  border-bottom: 1px solid #fff;
}

.case_bottom .case_bottom_main .cbm_right .cbm_t span {
  font-size: 16px;
  color: #fff;
}

.case_bottom .case_bottom_main .cbm_right .cbm_t span img {
  width: 20px;
}

.case_bottom .case_bottom_main .cbm_right .cbm_logo {
  width: 150px;
  height: 50px;
  margin-bottom: 50px;
  border-radius: 6px;
  background-color: #fff;
}

.case_bottom .case_bottom_main .cbm_right .cbm_main {
  font-size: 16px;
}

.case_bottom .case_bottom_main::after {
  content: '';
  position: absolute;
  z-index: 0;
  width: 100vw;
  height: 100%;
  left: 185px;
  background-color: #1A66FF;
  z-index: -1;
}


/* news_container */
.news_container {
  position: relative;
  width: 100vw;
  height: 978px;
  background-image: url('../images/bg_news.png');
  background-size: contain;
  background-position: center top;
  /* background-attachment: fixed; */
  background-repeat: no-repeat;
  background-color: rgb(35, 35, 35);
}

.news_container::after {
  position: absolute;
  top: 508px;
  content: '';
  display: block;
  width: 100vw;
  height: 2px;
  background-color: #fff;
}

.news_headline {
  margin-bottom: 40px;
  text-align: right;
}

.news_headline h2 {
  margin-bottom: 10px;
  font-weight: 600;
  font-size: 60px;
  color: #FFFFFF;
  line-height: 1;
}

.news_headline h3 {
  font-weight: 600;
  font-size: 20px;
  color: #FFF27F;
  line-height: 1;
  text-transform: uppercase;
}

.news_main_wrapper {
  overflow: hidden;
}

.news_main {
  align-items: flex-start;
}

.news_main .news_item {
  width: 356px;
  gap: 54px;
}

.news_main .news_item:not(:first-of-type) {
  margin-left: -95px;
}

.news_main .news_item .news_item_top {
  position: relative;
  width: 356px;
  height: 350px;
  padding: 18px 18px 90px;
  color: #fff;
  background-image: url('../images/newst_1.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  gap: 10px;
}

.news_main .news_item:hover .news_item_top {
  background-image: url('../images/newst_2.png');
}

.news_main .news_item .news_item_top .nit_img {
  width: 320px;
  height: 170px;
  border-radius: 20px;
  overflow: hidden;
}

.news_main .news_item .news_item_top .nit_img img {
  width: 100%;
  height: 100%;
  transition: transform 300ms linear;
}

.news_main .news_item:hover .news_item_top .nit_img img {
  transform: scale(1.1);
}

.news_main .news_item .news_item_top .nit_detail {}

.news_main .news_item .news_item_top .nit_detail .nit_t {
  margin-bottom: 6px;
  font-size: 20px;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news_main .news_item .news_item_top .nit_detail .nit_info {
  display: -webkit-box;
  font-size: 14px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  line-height: 1.3;
}

.news_main .news_item .news_item_top .nit_more {
  position: absolute;
  left: 50%;
  bottom: 18px;
  width: 60px;
  height: 60px;
  transform: translateX(-50%);
  background: #FFFFFF;
  border-radius: 50%;
}

.news_main .news_item .news_item_top .nit_more::before {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background-color: #D9D9D9;
  transition: background-color 300ms linear;
}

.news_main .news_item .news_item_top .nit_more::after {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotateZ(90deg);
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background-color: #D9D9D9;
  transition: background-color 300ms linear;
}

.news_main .news_item:hover .news_item_top .nit_more::before,
.news_main .news_item:hover .news_item_top .nit_more::after {
  background-color: #1A66FF;
}

.news_main .news_item .news_item_time {
  position: relative;
  text-align: center;
  font-family: "Krona";
  font-size: 28px;
  color: #FFFFFF;
  line-height: 1;
}

.news_main .news_item .news_item_time::before {
  position: absolute;
  top: -32px;
  left: 50%;
  transform: translateX(-50%);
  content: '';
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #fff;
}

.news_main .news_item .news_item_time::after {
  position: absolute;
  top: -41px;
  left: 50%;
  transform: translateX(-50%);
  content: '';
  display: block;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
}

.news_main .news_item:nth-of-type(even) {
  flex-direction: column-reverse;
  margin-top: 326px;
}

.news_main .news_item:nth-of-type(even) .news_item_top {
  flex-direction: column-reverse;
  padding: 90px 18px 18px;
  background-image: url('../images/newsb_1.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.news_main .news_item:nth-of-type(even):hover .news_item_top {
  background-image: url('../images/newsb_2.png');
}

.news_main .news_item:nth-of-type(even) .news_item_top .nit_more {
  top: 18px;
}

.news_main .news_item:nth-of-type(even) .news_item_time {
  position: relative;
  text-align: center;
  font-size: 28px;
  color: #FFFFFF;
  line-height: 1;
}

.news_main .news_item:nth-of-type(even) .news_item_time::before {
  top: unset;
  bottom: -32px;
}

.news_main .news_item:nth-of-type(even) .news_item_time::after {
  top: unset;
  bottom: -41px;
}

/* contact_container */
.contact_container {
  position: relative;
  width: 100vw;
  height: 308px;
  background-image: url('../images/bg_contact.png');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
}

.contact_main {
  height: 308px;
  color: #fff;
}

.contact_main .contact_logo {
  margin-right: 80px;
}

.contact_main .contact_line {
  width: 1px;
  height: 142px;
  margin-right: 80px;
  background-color: #fff;
}

.contact_main .contact_icon {
  margin-right: 10px;
}

.contact_main .contact_phone {
  flex: 1;
  line-height: 1;
  font-family: "Krona";
}

.contact_main .contact_phone h6 {
  margin-bottom: 6px;
  font-size: 14px;
}

.contact_main .contact_phone h3 {
  font-size: 28px;
}

.contact_main .contact_right {
  font-family: "Krona";
}

.contact_main .contact_right h2 {
  margin-bottom: 20px;
  font-size: 30px;
  line-height: 1;
}

/* bottom_wrapper */
.bottom_wrapper {
  width: 100vw;
  padding: 80px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  background-color: #232323;
}

.bottom {}

.bottom .bottom_left {
  gap: 80px;
}

.bottom .bottom_left dl {
  line-height: 1;
  color: #FFFFFF;
}

.bottom .bottom_left dl dt {
  margin-bottom: 20px;
  font-size: 24px;
}

.bottom .bottom_left dl dd {
  margin-bottom: 20px;
}

.bottom .bottom_left dl dd a {
  color: #FFFFFF;
  opacity: 0.6;
}

.bottom .bottom_right {
  gap: 16px;
  color: #fff;
}

.bottom .bottom_right p {
  font-size: 14px;
}

/* footer */
.footer_wrapper {
  width: 100vw;
  height: 130px;
  background-color: #232323;
}

.footer {
  height: 130px;
  font-size: 14px;
  color: #FFFFFF;
  opacity: 0.6;
}

.footer a {
  color: #FFFFFF;
  opacity: 0.6;
}

/* inside_common_banner */
.inside_common_banner {
  position: relative;
  height: 800px;
  color: #fff;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

.inside_common_banner::before {
  position: absolute;
  content: '';
  width: 100%;
  height: 100%;
  display: block;
  background-color: rgba(0, 0, 0, 0.5);
}

.common_banner_main {
  position: absolute;
  z-index: 1;
  width: 100%;
  height: 100%;
  line-height: 1;
}

.common_banner_main h2 {
  margin-bottom: 40px;
  font-size: 60px;
  font-weight: bold;
  text-shadow: 0 0 30px rgba(0, 0, 0, 1);
}

.common_banner_main h3 {
  margin-bottom: 20px;
  font-size: 30px;
  text-transform: uppercase;
  text-shadow: 0 0 30px rgba(0, 0, 0, 1);
}

/* -----------about------------- */
.about_banner_main {
  position: relative;
  z-index: 1;
  padding-top: 180px;
  line-height: 1;
}

.about_banner_main h2 {
  margin-bottom: 40px;
  font-size: 40px;
  font-weight: bold;
}

.about_banner_main h3 {
  margin-bottom: 40px;
  font-size: 60px;
  font-weight: bold;
  color: rgba(26, 102, 255, 0.8);
}

.about_banner_main h4 {
  margin-bottom: 20px;
  font-size: 22px;
}

/* inside_about_main */
.inside_about_main {
  padding: 100px 0 14vw;
  background-image: url('../images/about/about_detail.jpg');
  background-size: 100%;
  background-repeat: no-repeat;
  background-position: bottom;
}

.inside_about_main h2 {
  margin-bottom: 10px;
  font-size: 40px;
  line-height: 1;
  text-align: center;
}

.inside_about_main h3 {
  margin-bottom: 60px;
  font-size: 22px;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.inside_about_main .inside_about_main_detail {}

.inside_about_main .inside_about_main_detail .about_detail_item {
  margin-bottom: 20px;
  text-indent: 2em;
}

.inside_about_num {
  padding: 100px 0;
  /* color: rgba(26, 102, 255, 1); */
  background-color: rgba(26, 102, 255, 0.1);
}

.inside_about_num .ian_main {}

.inside_about_num .ian_main .ian_item {
  line-height: 1;
}

.inside_about_num .ian_main .ian_item h4 {
  margin-bottom: 20px;
  font-size: 40px;
}

.inside_about_num .ian_main .ian_item h3 {
  font-size: 20px;
}

.inside_about_num .ian_main .ian_item h3 span {
  font-family: "sans";
  display: inline-block;
  width: 320px;
  font-size: 100px;
}

.inside_about_num .ian_main .ian_item:nth-of-type(2) h3 span {
  width: 174px;
}

.inside_about_num .ian_main .ian_item:nth-of-type(3) h3 span {
  width: 140px;
}

.our_client {
  padding: 100px 0;
}

.our_client h2 {
  margin-bottom: 10px;
  font-size: 40px;
  line-height: 1;
  text-align: center;
}

.our_client h3 {
  margin-bottom: 60px;
  font-size: 22px;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.our_client_list {
  gap: 50px;
}

.our_client_list .ocl_item {
  width: calc(25% - 37.5px);
  aspect-ratio: 4 / 3;
  padding-bottom: 20px;
  border: 1px solid;
}

.our_client_list .ocl_item img {}

.our_client_list .ocl_item span {}

.client_item {
  width: 100vw;
  height: 800px;
  position: relative;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
}

.client_item::after {
  position: absolute;
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  top: 0;
  z-index: 1;
  background-color: rgba(0, 0, 0, 0.4);
}

.client_item .client_item_text {
  position: absolute;
  top: 6vw;
  left: 13vw;
  right: 13vw;
  color: #fff;
  z-index: 2;
}

.client_item .client_item_text h2 {
  margin-bottom: 10px;
  font-size: 36px;
}

.client_item .client_item_text h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.client_item .client_item_text p {}

.client_item img {}


/* inside_culture_main */
.inside_culture_main {
  padding: 100px 0 0;
}

.inside_culture_main .icm_t1 {
  padding-bottom: 10px;
  font-size: 40px;
  line-height: 1;
  text-align: center;
}

.inside_culture_main .icm_t2 {
  padding-bottom: 60px;
  font-size: 22px;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.inside_culture_main .icm {
  margin-bottom: 50px;
  justify-content: flex-start;
  gap: 0 1%;
}

.inside_culture_main .icm .icm_item {
  position: relative;
  overflow: hidden;
  width: 24.25%;
  margin-bottom: 50px;
  aspect-ratio: 4 / 3;
  border-radius: 30px;
}

.inside_culture_main .icm .icm_item .icm_item_t {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
  transition: transform 300ms linear;
  transform: translateY(101%);
  /* border-radius: 30px; */
  overflow: hidden;
}

.inside_culture_main .icm .icm_item:hover .icm_item_t {
  transform: translateY(0);
}

.inside_culture_main .icm .icm_item .icm_item_t h3 {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 30px;
  color: #fff;
}

.inside_culture_main .icm .icm_item img {
  width: 100%;
}

/* history */
.history_wrapper {
  /* padding: 100px; */
}

.history_wrapper img {
  width: 100%;
}

.history {
  position: relative;
}

.history::before {
  position: absolute;
  top: 0;
  left: 10px;
  content: '';
  display: block;
  width: 1px;
  height: 100%;
  background-color: #1A66FF;
}

.his_item {
  padding-bottom: 50px;
}

.his_item .his_top {
  margin-bottom: 30px;
  gap: 30px;
}

.his_item .his_top .his_top_point {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #1A66FF;
}

.his_item .his_top .his_top_info {
  line-height: 1;
}

.his_item .his_top .his_top_info h2 {
  margin-bottom: 10px;
  font-size: 22px;
}

.his_item .his_top .his_top_info h3 {}

.his_item .his_img {
  margin-left: 50px;
  border-radius: 50px;
  overflow: hidden;
}

/* grey_bg */
.grey_bg {
  background-color: #f4f5f6;
}

/* team_strength_main */
.team_strength_main {
  padding-bottom: 170px;
  gap: 50px;
}

.team_strength_main .team_strength_item {
  position: relative;
  width: calc(33.33% - 33.33px);
  aspect-ratio: 10 / 7;
  background-color: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
}

.team_strength_main .team_strength_item h2 {
  padding: 30px 0 16px;
  text-align: center;
  font-size: 36px;
  line-height: 1;
}

.team_strength_main .team_strength_item h3 {
  text-align: center;
  font-size: 24px;
  line-height: 1;
}

.team_strength_main .team_strength_item .tsi_img {
  position: absolute;
  width: 90%;
  left: 5%;
  bottom: -80px;
  aspect-ratio: 5 / 3;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
}

.team_strength_main .team_strength_item .tsi_img p {
  position: absolute;
  width: 100%;
  height: 100%;
  padding: 20px;
  /* text-indent: 1em; */
  /* line-height: 1.4; */
  font-size: 14px;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1;
  transform: translateY(101%);
  transition: transform 300ms linear;
  border-radius: 20px;
}

.team_strength_main .team_strength_item:hover .tsi_img p {
  transform: translateY(0);
}

/* core_strength_main */
.core_strength_main {
  padding-bottom: 90px;
}

.core_strength_main .csm_item {
  position: relative;
  width: 50%;
}

.core_strength_main .csm_item::after {
  position: absolute;
  top: 0;
  left: 0;
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.core_strength_main .csm_item p {
  position: absolute;
  z-index: 1;
  top: 5vw;
  right: 2vw;
  left: 2vw;
  color: #fff;
}

.rd_detail {
  padding: 0 300px 80px;
  text-align: center;
}

/* inside_case_wrapper */
.inside_case_wrapper {
  padding-bottom: 100px;
  gap: 30px;
}

.inside_case_wrapper .icw_item {
  width: calc(25% - 22.5px);
  padding: 16px;
  border-radius: 20px;
  background-color: #f4f5f6;
  /* box-shadow: 0 0 10px rgba(0, 0, 0, 0.2); */
}

.inside_case_wrapper .icw_item .icw_pic {
  border-radius: 20px;
  overflow: hidden;
}

.inside_case_wrapper .icw_item p {
  text-align: center;
  padding-top: 16px;
}

/* inside_single_wrapper */
.inside_single_wrapper {
  padding-bottom: 100px;
}

.inside_single_wrapper img {
  max-width: 100%;
}

/* banner_contact */
.banner_contact {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: 26px;
  line-height: 2;
  color: #fff;
}

/* 给我们留言 */
.inside_message {
  padding: 100px 0;
}

.inside_message .inside_form_input {
  margin-bottom: 25px;
  width: 49%;
}

.inside_message .inside_form_input .inside_ipt {
  width: 100%;
  height: 70px;
  padding: 0 25px;
  border: none;
  background-color: #f4f5f6;
  border-radius: 10px;
  transition: box-shadow 300ms linear;
}

.inside_message .inside_form_input:hover .inside_ipt {
  box-shadow: 0 0 20px rgba(26, 102, 255, 0.3);
}

.inside_message .inside_form_textarea {
  width: 100%;
  margin-bottom: 55px;
}

.inside_message .inside_form_textarea .inside_area {
  width: 100%;
  height: 200px;
  padding: 15px 25px;
  border: none;
  background-color: #f4f5f6;
  border-radius: 10px;
  transition: box-shadow 300ms linear;
}

.inside_message .inside_form_textarea:hover .inside_area {
  box-shadow: 0 0 20px rgba(26, 102, 255, 0.3);
}

.inside_message .inside_form_btn {
  width: 100%;
}

.inside_message .inside_form_btn .inside_btn {
  padding: 15px 70px;
  background-color: #282828;
  border: none;
  color: #fff;
  cursor: pointer;
  border-bottom: solid #1A66FF 2px;
  border-radius: 10px;
  transition: box-shadow 300ms ease, background-color 300ms ease;
}

.inside_message .inside_form_btn .inside_btn:hover {
  box-shadow: 0 0 5px rgba(26, 102, 255, 0.5);
  background-color: #1A66FF;
}

/* inside_map */
.inside_map {
  width: 100%;
  height: 50vh;
}

/* inside_category */
.inside_category {
  margin-bottom: 60px;
  gap: 12px;
}

.inside_category a {
  height: 48px;
  padding: 0 20px;
  line-height: 48px;
  border: 1px solid #dddddd;
  border-radius: 6px;
  transition: border-color 300ms ease, background-color 300ms ease;
}

.inside_category a:hover,
.inside_category a.category_active {
  color: #fff;
  border: 1px solid #1A66FF;
  background-color: #1A66FF;
}

/* inside_news_wrapper */
.inside_news_wrapper {
  padding-bottom: 40px;
  gap: 30px;
}

.inside_news_wrapper .inw_item {
  width: calc(33.33% - 30px);
  border-radius: 20px;
  background-color: #f4f5f6;
  /* box-shadow: 0 0 30px rgba(0, 0, 0, 0.2); */
}

.inside_news_wrapper .inw_item .inwi_img {
  aspect-ratio: 5 / 3;
  overflow: hidden;
}

.inside_news_wrapper .inw_item .inwi_main {
  padding: 20px 20px 40px;
  color: #000;
}

.inside_news_wrapper .inw_item .inwi_main .inwi_top {
  font-size: 14px;
  color: #999;
}

.inside_news_wrapper .inw_item .inwi_main .inwi_top span {
  margin-right: 10px;
}

.inside_news_wrapper .inw_item .inwi_main .inwi_title {
  font-size: 24px;
  font-weight: bold;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 300ms linear;
}

.inside_news_wrapper .inw_item:hover .inwi_main .inwi_title {
  color: #1A66FF;
}


.inside_news_wrapper .inw_item .inwi_main .inwi_js {
  margin: 10px 0 30px;
  line-height: 1.4;
  color: #666;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.inside_news_wrapper .inw_item .inwi_main .inwi_more {
  text-transform: uppercase;
  font-size: 14px;
  color: #1A66FF;
}

/* inside_news_detail */
.inside_news_detail {
  padding-bottom: 100px;
}

.inside_news_detail .ind_title_wrapper {
  margin-bottom: 50px;
  padding-bottom: 25px;
  text-align: center;
  border-bottom: 1px solid #dbdbdb;
}

.inside_news_detail .ind_title_wrapper .ind_title {
  text-align: center;
  margin-bottom: 30px;
  font-size: 24px;
  color: #333333;
}

.inside_news_detail .ind_title_wrapper .ind_info {
  font-size: 12px;
  color: #888888;
}

.inside_news_detail .ind_title_wrapper .ind_info span {
  margin: 0 5px;
}

.inside_news_detail .ind_main {}

.inside_news_detail .ind_main img {
  max-width: 100%;
}

/* inside_product_container */
.inside_product_container {}

.inside_product_container .ipc_item {
  padding-top: 60px;
}

.inside_product_container .ipc_item .ipc_headline {
  margin-bottom: 60px;
  padding-bottom: 30px;
  font-size: 40px;
  line-height: 1;
  border-bottom: 1px solid #ccc;
}

.inside_product_container .ipc_item .ipc_headline a {
  font-size: 14px;
}

/* pro_catalog */
.pro_catalog {
  padding-bottom: 150px;
  gap: 100px 2.6%;
  /* justify-content: space-between; */
}

.pro_catalog .pc_item {
  position: relative;
  width: 31.6%;
  border-radius: 10px;
}

.pro_catalog .pc_item::before {
  content: '';
  display: block;
  position: absolute;
  width: 100%;
  height: 0;
  z-index: 1;
  border-radius: 10px;
  background-color: rgba(0, 0, 0, 0.3);
  transition: height 300ms linear;
}

.pro_catalog .pc_item:hover::before {
  width: 100%;
  height: 100%;
}

.pro_catalog .pc_item .pc_img {
  aspect-ratio: 48 / 25;
  overflow: hidden;
  border-radius: 10px;
}

.pro_catalog .pc_item .pc_img img {
  width: 100%;
  height: 100%;
  transition: transform 300ms linear;
}

.pro_catalog .pc_item:hover .pc_img img {
  transform: scale(1.1);
}

.pro_catalog .pc_item .pc_info {
  position: absolute;
  bottom: 0;
  width: 90%;
  left: 5%;
  bottom: -60px;
  height: 100px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 2px rgba(0, 0, 0, 0.1);
  z-index: 2;
  transition: transform 300ms linear, height 300ms linear;
}

.pro_catalog .pc_item:hover .pc_info {
  transform: translateY(-20px);
  /* height: 120px; */
}

.pro_catalog .pc_item .pc_info::after {
  content: '';
  display: block;
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 0;
  z-index: 1;
  border-radius: 10px;
  background-color: #1A66FF;
  transition: height 300ms linear;
}

.pro_catalog .pc_item:hover .pc_info::after {
  width: 100%;
  height: 100%;
}

.pro_catalog .pc_item .pc_info p {
  position: relative;
  z-index: 2;
  font-size: 14px;
  color: #999;
  transition: color 300ms linear;
}

.pro_catalog .pc_item:hover .pc_info p {
  color: #fff;
}

.pro_catalog .pc_item .pc_info h2 {
  position: relative;
  z-index: 2;
  transition: color 300ms linear;
}

.pro_catalog .pc_item:hover .pc_info h2 {
  color: #fff;
}

/* pro_banner_container */
.pro_banner_container {
  position: relative;
  z-index: 1;
  padding-top: 250px;
}

.pro_banner_container .pro_banner {
  line-height: 1;
  text-transform: uppercase;
}

.pro_banner_container .pro_banner h2 {
  font-weight: bold;
  font-size: 40px;
}

.pro_banner_container .pro_banner h2 span {
  color: #9CE8FF;
  font-weight: bold;
}

.pro_banner_container .pro_banner h3 {
  display: inline-block;
  margin: 20px 0 30px;
  padding-bottom: 10px;
  font-weight: bold;
  font-size: 40px;
  border-bottom: 1px solid #fff;
}

.pro_banner_container .pro_banner h4 {
  font-weight: bold;
  font-size: 24px;
}

/* pro_detail_wrapper */
.pro_detail_wrapper {
  padding: 80px 0;
}

.pro_detail_wrapper .pro_detail {
  gap: 120px;
  justify-content: space-between;
}

.pro_detail_wrapper .pro_detail .pdw_info {
  line-height: 1;
}

.pro_detail_wrapper .pro_detail .pdw_info h2 {
  font-size: 32px;
  font-weight: bold;
  font-style: italic;
}

.pro_detail_wrapper .pro_detail .pdw_info h3 {
  width: 70px;
  height: 6px;
  margin: 20px 0 30px;
  background-color: #1A66FF;
}

.pro_detail_wrapper .pro_detail .pdw_info h6 {
  font-size: 20px;
  line-height: 1.8;
}

.pro_detail_wrapper .pro_detail .pdw_img {
  width: 600px;
}

.pro_detail_wrapper .pdw_ct {
  text-align: center;
  line-height: 1;
  font-size: 32px;
  font-weight: bold;
  font-style: italic;
}

.pro_detail_wrapper .pdw_ctl {
  width: 70px;
  height: 6px;
  margin: 20px auto 50px;
  background-color: #1A66FF;
}

/* 产品表格 */
.pro_detail_wrapper .pdw_table {
  /* margin-top: 30px; */
}

.pro_detail_wrapper .pdw_table .pdmt_row {}

.pro_detail_wrapper .pdw_table .pdmt_row:first-of-type {
  background-color: #9CE8FF;
}

.pro_detail_wrapper .pdw_table .pdmt_row:last-of-type {
  border-bottom: 1px solid #ccc;
}

.pro_detail_wrapper .pdw_table .pdmt_row .pdmt_col {
  flex: 1;
  line-height: 3;
  text-align: center;
  border-top: 1px solid #ccc;
  border-right: 1px solid #ccc;
}

.pro_detail_wrapper .pdw_table .pdmt_row .pdmt_col:first-of-type {
  border-left: 1px solid #ccc;
}

.pro_detail_wrapper .pdw_table .pdmt_row:first-of-type .pdmt_col {
  font-weight: bold;
}

/* 产品样件 */
.pro_detail_wrapper .pdw_sample {
  gap: 30px;
}

.pro_detail_wrapper .pdw_sample .pdws_item {
  width: calc(25% - 22.5px);
  /* box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); */
  border: 1px solid #ccc;
}

/* 产品解决方案 */
.pdw_solution {
  color: #fff;
  background-repeat: no-repeat;
  background-size: cover;
  background-color: #000;
  /* background-image: url('../images/about_banner.jpeg'); */
}

.pdw_ct_info {
  margin: 20px auto 50px;
  padding: 0 340px;
  text-align: center;
}

.pdw_solution .pdw_solution_main {}

.pdw_solution .pdw_solution_main .pdwsm_left {
  flex: 1;
  padding: 50px 0;
  background-color: rgb(38, 38, 50);
}

.pdw_solution .pdw_solution_main .pdwsm_left li {
  width: 100%;
  height: 80px;
  font-size: 22px;
  line-height: 80px;
  cursor: pointer;
  text-align: center;
}

.pdw_solution .pdw_solution_main .pdwsm_left li:hover,
.pdw_solution .pdw_solution_main .pdwsm_left li.pdwsm_active {
  background-color: #1A66FF;
}

.pdw_solution .pdw_solution_main .pdwsm_right_wrapper {
  display: none;
  width: 1080px;
  /* height: 600px; */
  aspect-ratio: 27 / 15;
}

.pdw_solution .pdw_solution_main .pdwsm_right {
  width: 100%;
  height: 100%;
  padding: 50px;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.pdw_solution .pdw_solution_main .pdwsm_right h2 {
  margin-bottom: 30px;
  font-size: 30px;
  font-weight: bold;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1;
}

.pdw_solution .pdw_solution_main .pdwsm_right h3 {
  flex: 1;
}

.pdw_solution .pdw_solution_main .pdwsm_right .pdwsm_btn1 {
  width: 130px;
  height: 50px;
  margin-right: 30px;
  line-height: 50px;
  text-align: center;
  border-radius: 5px;
  color: #fff;
  background-color: #1A66FF;
}

.pdw_solution .pdw_solution_main .pdwsm_right .pdwsm_btn2 {
  width: 130px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  border-radius: 5px;
  color: #1A66FF;
  border: 1px solid #1A66FF;
}

.fenye {
  padding-bottom: 100px;
}


.ys_wrapper {}

.ys_item {
  gap: 10px;
  padding-bottom: 20px;
}

.ys_item:nth-of-type(2) {
  flex-direction: row-reverse;
}

.ys_item .ysi_l {
  flex: 1;
  padding: 50px 30px 30px;
  line-height: 1;
  color: #fff;
  background-color: #1A66FF;
}

.ys_item .ysi_l h2 {
  margin-bottom: 10px;
  display: inline-block;
  font-size: 30px;
  border-bottom: 10px solid rgb(224, 242, 150);
}

.ys_item .ysi_l h3 {
  line-height: 1.6;
}

.ys_item .ysi_l h5 {
  font-size: 80px;
  opacity: 0.4;
  font-family: "Krona";
  font-style: italic;
}

.ys_item .ysi_l h6 {
  font-size: 50px;
  font-family: "Krona";
  opacity: 0.4;
  font-style: italic;
}

.ys_item .ysi_r {
  width: 910px;
}