/* 通用 */
@font-face {
  font-family: "Heebo";
  src: url("../font/HEEBO-REGULAR.TTF") format('truetype');
}
@font-face {
  font-family: "Heebo-bold";
  src: url("../font/HEEBO-BOLD.TTF") format('truetype');
}
* {
  font-family: Heebo;
}
:root {
  --dth-main-color: #1735cb;
  --dth-hover-color: #0D73FC;
}
header * {
}
header h2,
header h3,
header h4,
header h5,
header h6,
header p,
main h1,
main h2,
main h3,
main h4,
main h5,
main h6,
main p,
footer h3,
footer h4,
footer h5,
footer h6,
footer p {
  margin: 0;
}

body {
  padding: 0;
}

.dth_wh {
  width: 96%;
  max-width: 1500px;
  display: block;
  margin: 0 auto;
}
.flex {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: nowrap;
}
.flex::before,
.flex::after {
  display: none;
}

.fixed_ratio {
  position: relative;
  overflow: hidden;
  padding-top: calc(3 / 4 * 100%);
}
.fixed_ratio img {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.enlarge .imgs {
  overflow: hidden;
  position: relative;
}
.enlarge .imgs img {
  transform: scale(1);
  transition: 0.5s ease;
}
.enlarge:hover .imgs img {
  transform: scale(1.08);
}

@media (max-width: 1200px) {
  .dth_wh {
    width: 100%;
    padding: 0 15px;
  }
  /* .fp-enabled body,
  body {
    padding-top: 60px;
  } */
}
@media (max-width: 991px) {
  .fp-enabled body,
  body {
    padding-top: 60px !important;
  }
}
@media (max-width: 767px) {

}
@media (max-width: 640px) {
  .dth_wh {
    padding: 0 12px;
  }
}

/* 插件整体样式修改 */
.slick-arrows {
  outline: none;
}

.swiper-button-prev,
.swiper-button-next {
  outline: none;
  display: flex;
  width: 24px;
  height: 44px;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.swiper-button-prev::after,
.swiper-button-next::after {
  content: "";
  background: none;
  display: block;
  width: 16px;
  height: 16px;
  border: 2px solid #ffffff;
  border-color: transparent transparent #4d4d4d #4d4d4d;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  /* left: 12px;
  top: 50%; */
  /* margin-top: -20px; */
  position: relative;
  left: 0;
  top: 0;
  margin: 0;
}

.swiper-button-prev:hover::after,
.swiper-button-next:hover::after {
  border-color: transparent transparent #ffffff #ffffff;
}

.swiper-button-next {
  transform: rotate(180deg);
  -webkit-transform: rotate(180deg);
}

.swiper-pagination {
  position: absolute;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  bottom: 5% !important;
  left: 0;
}

.swiper-pagination .swiper-pagination-bullet {
  outline: none;
  margin: 0 1em;
}

@media (max-width: 992px) {
  .swiper-button-prev,
  .swiper-button-next {
    display: none;
  }
}


/* 整体翻屏设置 */
.section {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}


@media (max-width: 1600px) {
}
@media (max-width: 1200px) {
  .section,
  .fp-tableCell {
    height: auto!important;
  }
}
@media (max-width: 1024px) {
}
@media (max-width: 990px) {
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
}


/* 头部 */
header {
  position: relative;
  z-index: 95;
  box-shadow: 0 0 1px 1px rgba(255, 255, 255, 0.1);
  width: 100%;
}
header .dth_wh {
  align-items: center;
}
.header_top {
    background-color: #0d1416;
  max-width: 100vw;
}
.welcome {
  font-size: 14px;
    line-height: 48px;
    color: rgba(255, 255, 255, 0.6);
}
.welcome p {
  margin: 0;
}
.header_share {
  margin-left: auto;
}
.header_share ul {
  align-items: center;
  justify-content: flex-end;
}
.header_share li {
  margin-right: 24px;
}
.header_share li:last-child {
  margin-right: 0;
}
.header_share li a {
  display: block;
  height: 20px;
  width: auto;
  opacity: 0.6;
}
.header_share li a:hover {
  opacity: 1;
}
.header_share li img {
  display: block;
  width: auto;
  max-width: 40px;
  height: 100%;
  object-fit: contain;
}
.header_email {
  margin-left: 3%;
}
.header_email a {
  font-size: 14px;
    line-height: 2;
    color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font-weight: bold;
}
.header_email a:hover {
  color: #ffffff !important;
}
.header_email a img {
  margin-right: 0.7em;
}

.header_box {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  width: 100%;
    background-color: rgba(0, 0, 0, 0.14);
  max-width: 100vw;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.logo {
  width: 21.4%;
  padding: 0;
}
.logo a {
  display: block;
}
.logo img {
  display: block;
  max-width: 100%;
  max-height: 90px;
  object-fit: contain;
}
.search {
  position: relative;
  height: 94px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: 4%;
}
.search_btn {
  display: block;
  width: 18px;
  height: 18px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  background-image: url("../images/search1.png");
  cursor: pointer;
}
.search_form {
  position: absolute;
  top: 100%;
  right: 0;
  display: none;
}
.search_form form {
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 240px;
  box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.1);
}
.search_form form input {
  height: 42px;
  display: block;
  outline: none;
  border: none;
  background: none;
}
.search_form form input:first-child {
  width: calc(100% - 50px);
  padding: 0 1em;
  font-size: 14px;
  color: #333333;
}
.search_form form input:first-child:placeholder {
  color: #999999;
}
.search_form form input:last-child {
  outline: none;
  border: none;
  background: none;
  background-color: var(--dth-main-color) !important;;
  width: 50px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: auto calc(18 / 50 * 100%);
  background-image: url("../images/search1.png");
}

.header_box .language-group {
  width: 120px;
  background-color: transparent;
  margin: 0 auto;
  display: none;
}
.header_box .language-group .btn {
  color: #ffffff;
}


/* 导航 */
nav {
  flex-grow: 1;
  margin-left: 4%;
}
.x-menu {
  width: 100%;
  justify-content: flex-end;
}

.x-menu > li {
  position: relative;
  margin-right: 5.7%;
}
.x-menu > li:last-child {
  margin-right: 0;
}
.x-menu > li > a i {
  display: none;
}
.x-menu > li > a {
  font-family: Heebo-Bold;
    font-size: 18px;
    line-height: 94px;
    color: #ffffff !important;
  white-space: nowrap;
}

.x-menu > li:hover > a,
.x-menu > li.active > a {
}

.x-menu > li:hover > a {
}
.x-menu > li.active > a {
}

.x-sub-menus {
  position: absolute;
  left: 50%;
  top: 100%;
  min-width: 100px;
  max-width: 200px;
  transform: translateX(-50%);
  background-color: #ffffff;
  box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.1);
  visibility: visible;
  opacity: 1;
  display: none;
  transition: none;
}
.x-sub-menus > li > a {
  display: block;
  text-align: center;
  font-size: 14px;
  color: #333;
  line-height: 2;
  padding: 0.5em 1em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: 0.3s ease;
}

.x-sub-menus > li:hover > a {
  background: var(--dth-main-color);
  color: #ffffff;
}
.menu-handler {
  background: var(--dth-main-color);
}

@media (max-width: 1560px) {
  .welcome {
    line-height: 3.4;
  }
}
@media (max-width: 1400px) {
  .welcome {
    font-size: 13px;
  }
  .header_share li {
    margin-right: 20px;
  }
  .header_share li a {
    height: 18px;
  }
  .header_email a {
    font-size: 13px;
  }
}
@media (max-width: 1199px) {
  .welcome {
    font-size: 12px;
  }
  .header_share li {
    margin-right: 16px;
  }
  .header_share li a {
    height: 14px;
  }
  .header_email a {
    font-size: 12px;
  }
  .header_top {
    display: none;
  }
  .header_box {
  }
  .header_pc_nav {
    display: none;
  }
  .search {
    margin-left: auto;
  }
  .logo img {
    max-height: 50px;
  }
  .search {
    height: 80px;
  }
  .header_box .language-group {
    display: block;
  }
}
@media (max-width: 990px) {
  header {
  }
  .header_top,
  .header_pc_nav {
    display: none;
  }
  .logo img {
    max-height: 42px;
  }
  .header_box {
    position: fixed;
    top: 0;
    left: 0;
    background-color: var(--dth-main-color);
  }
  .search {
    height: 60px;
    position: static;
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  .logo {
    width: 30%;
  }
}

/* banner */
#banner {
  position: relative;
}
#banner li {
}
#banner li a {
  display: block;
}
#banner li .imgs {
  display: block;
}
#banner li .imgs img {
  width: 100%;
  min-height: 240px;
  object-fit: cover;
}
#banner .hi {
  display: none;
}
.banner_video {
  display: block;
  width: 100%;
  height: auto;
  position: relative;
  padding-top: calc(960 / 1920 * 100%);
}
.banner_video video {
  display: block;
  object-position: center;
  object-fit: cover;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

#banner .swiper-button-prev,
#banner .swiper-button-next {
  width: 45px;
  height: 72px;
  background: none;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  transform: none;
  opacity: 0.18;
}

#banner .swiper-button-prev {
  left: 2.4%;
  background-image: url("../images/left1.png");
}

#banner .swiper-button-next {
  right: 2.4%;
  background-image: url("../images/right1.png");
}

#banner .swiper-button-prev:hover,
#banner .swiper-button-next:hover {
  opacity: 1;
}

#banner .swiper-button-prev::after,
#banner .swiper-button-next::after {
  display: none;
}

#banner .swiper-pagination {
}

#banner .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background-color: transparent;
    border: solid 2px #ffffff;
    opacity: 0.7;
  margin: 0 14px;
}

#banner .swiper-pagination-bullet:hover {
  opacity: 1;
}
#banner .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: #ffffff;
  opacity: 1;
}

@media (min-width: 1201px) {
  /* #banner li .imgs img,
  .banner_video {
    height: 100vh;
    padding-top: 0;
    min-height: auto;
  } */
}
@media (max-width: 1560px) {
  #banner .swiper-button-prev,
  #banner .swiper-button-next {
    width: 40px;
    height: 64px;
  }
}
@media (max-width: 1400px) {
}
@media (max-width: 1200px) {
  #banner li .imgs img {
    min-height: 220px;
  }
  #banner .swiper-button-prev,
  #banner .swiper-button-next {
    width: 36px;
    height: 56px;
  }
}
@media (max-width: 990px) {
  #banner li .imgs img {
    min-height: 200px;
  }
  #banner .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
  }
  #banner .swiper-button-prev,
  #banner .swiper-button-next {
    width: 30px;
    height: 48px;
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  #banner li .imgs img {
    min-height: 180px;
  }
  #banner .swiper-pagination {
    bottom: 12px;
  }
  #banner .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    margin: 0 5px;
  }
  #banner .swiper-button-prev,
  #banner .swiper-button-next {
    width: 24px;
    height: 36px;
  }
  #banner .swiper-button-prev {}
  #banner .swiper-button-next {}
}

/* titles */
.titles1 {}
.titles1 h2 {
  font-family: Heebo-Bold;
    font-size: 58px;
    font-weight: normal;
    line-height: 1.5;
    color: #121d4b;
}
.titles2 {}
.titles2 h2 {
    font-family: Heebo-Bold;
  font-size: 52px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
  color: #121d4b;
}


@media (max-width: 1560px) {
  .titles1 h2 {
    font-size: 3.7vw;
  }
  .titles2 h2 {
    font-size: 3.3vw;
  }
}
@media (max-width: 1400px) {
}
@media (max-width: 1200px) {
  .titles1 h2 {
    font-size: 40px;
  }
  .titles2 h2 {
    font-size: 36px;
  }
}
@media (max-width: 990px) {
  .titles1 h2 {
    font-size: 34px;
  }
  .titles2 h2 {
    font-size: 32px;
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  .titles1 h2 {
    font-size: 30px;
  }
  .titles2 h2 {
    font-size: 28px;
  }
}

/* product */
.product {
  padding: 50px 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
    background-color: #f2f2f2;
  overflow: hidden;
}
.product_top {
  justify-content: space-between;
  align-items: center;
}
.product_top_text {
  width: 85%;
}
.product_top_list {}
.product_top_list ul {
  flex-wrap: wrap;
}
.product_top_list li {
  margin: 2px 0;
  margin-right: 3%;
}
.product_top_list li:nth-child(n+6) {
  display: none;
}
.product_top_list li:last-child {
  margin-right: 0;
}
.product_top_list li a {
  display: block;   
  font-family: Heebo;
    font-size: 18px;
    font-weight: normal;  
    line-height: 1.35;
    letter-spacing: 0px;
    color: #666666;
  border-bottom: 1px solid transparent;
}
.product_top_list li:hover a,
.product_top_list li.curs a {
    color: var(--dth-main-color);
  /* font-family: Heebo-Bold; */
    font-weight: bold;  
  border-bottom-color: var(--dth-main-color);
}

.product_a {}
.product_a a {
  display: block;
  text-align: center;
    width: 7.7em;
    background-color: var(--dth-main-color);
    border-radius: 1.5em;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 3;
    letter-spacing: 0px;
    color: #ffffff;
}
.product_a a:hover {
  background-color: var(--dth-hover-color);
}

.product_swiper {
  margin-top: 2%;
  /* width: 2018px; */
  /* min-width: calc(100% + (1920 - 1500) / 2 / 1920 * 100vw); */
  /* width: calc(2018 / 1920 * 100vw); */
  position: relative;
  padding: 30px 0;
  z-index: 5;
}
.product_swiper::before,
.product_swiper::after {
  content: "";
  position: absolute;
  top: 0;
  height: 100%;
  width: calc((100vw - 1500px) / 2);
  z-index: 10;
}
.product_swiper::before {
  right: 100%;
  background: repeating-linear-gradient(to right,#f2f2f2 0%, #f2f2f28e 80%, #f2f2f200 100%);
}
.product_swiper::after {
  left: 100%;
  background: repeating-linear-gradient(to left,#f2f2f2 0%, #f2f2f28e 80%, #f2f2f200 100%);
}
.product_swiper .swiper {
  width: 100%;
  position: relative;
  z-index: 5;
}
.product_swiper .swiper-button-prev,
.product_swiper .swiper-button-next {
  display: block;
  position: absolute;
    width: 30px;
    height: 48px;
  top: 50%;
  transform: translateY(-50%);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  opacity: 1;
  cursor: pointer;
  z-index: 50;
}
.product_swiper .swiper-button-prev.swiper-button-disabled,
.product_swiper .swiper-button-next.swiper-button-disabled {
  display: none;
}
.product_swiper .swiper-button-prev {
  left: -76px;
  background-image: url("../images/product_prev.png");
}
.product_swiper .swiper-button-next {
  right: -76px;
  background-image: url("../images/product_next.png");
}
.product_swiper .swiper-button-prev::after,
.product_swiper .swiper-button-next::after {
  display: none;
}
.product_swiper li {
  width: 350px;
  margin-right: 34px;
}
.product_swiper li a {
  display: block;
    background-color: #ffffff;
    border-radius: 20px;
    border: solid 1px #d4d7e0;
  overflow: hidden;
  transition: 0.5s ease;
}
.product_swiper li:hover a {
  transform: translateY(-7px);
    box-shadow: 9px 18px 28px 0px rgba(0, 0, 0, 0.1);
    border-color: var(--dth-main-color);
}
.product_swiper li .imgs {
  padding-top: calc(300 / 420 * 100%);
  overflow: hidden;
}
.product_swiper li .text {
  text-align: center;
  padding: 12px 4% 9.4%;
}
.product_swiper li .text h4 {
  font-family: Heebo-Bold;
    font-size: 20px;
    font-weight: normal;
    line-height: 2;
    letter-spacing: 0px;
    color: #333333;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.product_swiper li:hover .text h4 {
  color: var(--dth-main-color);
}
.product_swiper li .text .sums {
  font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #7c7c7c;
  margin-top: 0.4em;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.product_swiper li .text .mors {
  display: block;
  margin-top: 1em;
  margin-left: auto;
  margin-right: auto;
  font-size: 14px;
    font-weight: normal;
    color: var(--dth-main-color);
    width: 9.6em;
    border-radius: 1.5em;
  line-height: 2.6;
    border: solid 2px var(--dth-main-color);
  text-align: center;
}
.product_swiper li:hover .text .mors {
  background-color: var(--dth-main-color);
  color: #ffffff;
}

.product .swiper-pagination {
  margin-top: 2%;
  position: static;
}
.product .swiper-pagination .swiper-pagination-bullet {
  opacity: 0.4;
  width: 12px;
  height: 12px;
  margin: 0 9px;
  background: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product .swiper-pagination .swiper-pagination-bullet::after {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
    background-color: #000000;
  border-radius: 50%;
}
.product .swiper-pagination .swiper-pagination-bullet:hover {
  opacity: 1;
}
.product .swiper-pagination .swiper-pagination-bullet:hover::after {
  background-color: var(--dth-main-color);
}
.product .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background-color: var(--dth-main-color);
  opacity: 1;
}
.product .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active::after {
    background-color: var(--dth-main-color);
}

@media (max-width: 1560px) {
  .product {
    padding: 3.2% 0;
  }
  .product_top_list li a {
    font-size: 17px;
  }
}
@media (max-width: 1400px) {
  .product_top_list li a {
    font-size: 16px;
  }
  .product_a a {
    font-size: 13px;
  }
  .product_swiper li:hover a {
    transform: translateY(-5px);
    box-shadow: 5px 12px 20px 0px rgba(0, 0, 0, 0.1);
  }
  .product_swiper li .text h4 {
    font-size: 18px;
  }
  .product_swiper li .text .mors {
    font-size: 13px;
  }
}
@media (max-width: 1200px) {
  .product {
    padding: 36px 0 40px;
  }
  .product_top {
    flex-flow: column;
    align-items: flex-start;
  }
  .product_top_text {
    width: 100%;
  }
  .product_a {
    margin-top: 15px;
  }
  .product_swiper {
    padding: 20px 0;
  }
  .product_swiper li:hover a {
    box-shadow: 4px 8px 12px 0px rgba(0, 0, 0, 0.05);
  }
  .product_top_list li a {
    font-size: 15px;
  }
  .product .swiper-pagination {
    margin-top: 20px;
  }
  .product .swiper-pagination .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    margin: 0 8px;
  }
  .product .swiper-pagination .swiper-pagination-bullet::after {
    width: 6px;
    height: 6px;
  }
}
@media (max-width: 990px) {
  .product {
    padding: 32px 0;
  }
  .product_top_list li a {
    font-size: 14px;
  }
  .product_a {
    margin-top: 10px;
  }
  .product_a a {
    font-size: 12px;
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  .product {
    padding: 24px 0 30px;
  }
  .product_swiper {
    overflow: hidden;
  }
  .product_top_list li {
    margin: 3px 12px 3px 0;
  }
  .product .swiper-pagination {
    margin-top: 10px;
  }
  .product .swiper-pagination .swiper-pagination-bullet {
    margin: 0 6px;
    width: 8px;
    height: 8px;
  }
}


/* about */
.about {
  /* padding: 106px 0 0; */
  padding: 5.5% 0 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  position: relative;
  z-index: 30;
}
.about_company {
  width: 100%;
  justify-content: space-between;
  align-items: center;
}
.about_company_img {
  width: 53.4%;
}
.about_company_img video {
  width: 100%;
}
.about_company_img img {
  width: 100%;
}
.about_company_text {
  width: 40%;
}
.about_company_text .titles2 h2 {
    color: var(--dth-main-color);
}
.about_company_tis {
  margin: 0;
  font-family: Heebo-Bold;
    font-size: 24px;
    font-weight: normal;
    line-height: 1.25;
    color: #121d4b;
  text-align: justify;
  margin-top: 0.3em;
}
.about_company_text_detail {
  font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.78;
    letter-spacing: 0px;
    color: #333333;
  text-align: justify;
  margin-top: 1.32em;
}
.about_more {
  margin-top: 13%;
}
.mores {}
.mores a {
  display: block;
  text-align: center;
    width: 11.4em;
    background-color: #ffffff;
    border-radius: 2em;
    border: solid 2px var(--dth-main-color);
    font-family: Heebo-Bold;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 3.4;
    letter-spacing: 0px;
    color: var(--dth-main-color);
}
.mores a:hover {
  background-color: var(--dth-main-color);
  color: #ffffff;
}

.about_number {
  /* margin-top: 7.2%; */
  /* margin-bottom: -6.6%; */
  position: relative;
  top: 100px;
  background-repeat: no-repeat;
  background-position: center;
  background-attachment: fixed;
  background-size: cover;
    background-color: var(--dth-main-color);
    box-shadow: 9px 18px 28px 0px rgba(0, 0, 0, 0.1);
    border-radius: 40px;
  padding: 50px 3.2%;
}
.about_number ul {
  justify-content: space-around;
  align-items: center;
}
.about_number li {}
.about_number .li_line {
  display: block;
  width: 1px;
  height: 100px;
  background-color: #ffffff;
  opacity: 0.36;
  transform: rotate(12deg);
  transform-origin: center;
  margin: 0 2%;
}
.about_number li a {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  cursor: unset;
}
.about_number li .imgs {
  height: 80px;
  flex-shrink: 0;
}
.about_number li .imgs img {
  display: block;
  height: 100%;
  object-fit: contain;
}
.about_number li .text {
  margin-left: 28px;
}
.about_number li .text h5 {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
    font-family: Heebo-Bold;
  font-size: 58px;
    font-weight: normal;
    line-height: 1;
    color: #ffffff;
  margin: 0;
}
.about_number li .text h5 p {
    font-family: inherit;
  font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
  margin: 0;
}
.about_number li .text h5 span {
    font-family: inherit;
  font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
}
.about_number li .text h4 {
  font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #ffffff;
  margin: 0;
  margin-top: 2px;
}

@media (max-width: 1560px) {
  .about_company_tis {
    font-size: 22px;
  }
  .about_more {
    margin-top: 12%;
  }
  .about_number {
    top: 6.4vw;
  }
  .about_number {
    padding: 3.2%;
  }
  .about_number .li_line {
    height: 6.4vw;
  }
  .about_number li .imgs {
    height: 5.1vw;
  }
  .about_number li .text h5 {
    font-size: 3.5vw;
  }
}
@media (max-width: 1400px) {
  .about_company_text_detail {
    font-size: 17px;
  }
  .about_more {
    margin-top: 10%;
  }
  .mores a {
    font-size: 13px;
  }
}
@media (max-width: 1200px) {
  .about {
    padding: 40px 0 0;
  }
  .about_company_tis {
    font-size: 20px;
  }
  .about_company_text_detail {
    font-size: 16px;
  }
  .about_more {
    margin-top: 24px;
  }
  .about_number {
    border-radius: 30px;
    top: 64px;
  }
  .about_number .li_line {
    height: 64px;
  }
  .about_number li .imgs {
    height: 56px;
  }
  .about_number li .text {
    margin-left: 24px;
  }
  .about_number li .text h5 {
    font-size: 42px;
  }
}
@media (max-width: 990px) {
  .about {
    padding: 30px 0 32px;
  }
  .about_company {
    flex-flow: column;
  }
  .about_company_img {
    width: 100%;
  }
  .about_company_text {
    width: 100%;
    margin-top: 20px;
  }
  .about_company_text_detail {
    font-size: 15px;
  }
  .mores a {
    font-size: 12px;
  }
  .about_number {
    border-radius: 15px;
    top: 0;
    margin-top: 24px;
  }
  .about_number li .imgs {
    height: 50px;
  }
  .about_number li .text {
    margin-left: 20px;
  }
  .about_number li .text h5 {
    font-size: 36px;
  }
  .about_number li .text h4 {
    font-size: 15px;
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  .about {
    padding: 20px 0 30px;
  }
  .about_company_tis {
    font-size: 18px;
  }
  .about_company_text_detail {
    font-size: 14px;
    margin-top: 15px;
  }
  .about_more {
    margin-top: 20px;
  }
  .about_number {
    border-radius: 5px;
    padding: 15px;
  }
  .about_number ul {
    flex-flow: column;
    justify-content: flex-start;
    align-items: flex-start;
  }
  .about_number .li_line {
    display: none;
  }
  .about_number li:nth-child(n+3) {
    margin-top: 20px;
  }
  .about_number li .imgs {
    height: 40px;
    width: 40px;
  }
  .about_number li .text {
    margin-left: 20px;
  }
  .about_number li .text h5 {
    font-size: 30px;
  }
  .about_number li .text h4 {
    font-size: 14px;
    margin-top: 5px;
  }
}


/* advantage */
.advantage {
  padding: 190px 0 105px;
    background-color: #f2f2f2;
  position: relative;
  z-index: 10;
}
.advantage_cont {
  justify-content: space-between;
  align-items: unset;
  background-color: #ffffff;
}
.advantage_left {
  width: 46.7%;
  padding: 5.6% 5.6% 5%;
}
.advantage_describe {
  font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.78;
    letter-spacing: 0px;
    color: #333333;
  text-align: justify;
  margin-top: 0.83em;
}
.advantage_more {
  margin-top: 14.5%;
}
.advantage_more a {
  font-family: Heebo;
}

.advantage_right {
  width: 53.3%;
  position: relative;
}
.advantage_right_img {
  position: relative;
  height: 100%;
  z-index: 10;
}
/* .advantage_right_img .imgs {
  padding-top: calc(570 / 800 * 100%);
  position: absolute;
  top: 0;
  left: 0;
  visibility: hidden;
  opacity: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}
.advantage_right_img .imgs.curs {
  position: relative;
  visibility: visible;
  opacity: 1;
  z-index: 10;
} */
.advantage_right_img .swiper {
  height: 100%;
}
.advantage_right_img li a {
  display: block;
}
.advantage_right_img li .imgs {
  width: 100%;
  height: 100%;
  padding-top: calc(570 / 800 * 100%);
}
.advantage_right_img li .imgs img {
}
.advantage_right_text {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  z-index: 20;
  padding: 6.25% 5%;
}
.advantage_right_text ul {
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}
.advantage_right_text li {
  cursor: pointer;
  margin: 2px 3.5%;
}
.advantage_right_text li h5 {
  margin: 0;
  font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 2;
    letter-spacing: 0px;
    color: #ffffff;
  border-bottom: 1px solid transparent;
    opacity: 0.4;
  transition: 0.3s ease;
}
.advantage_right_text li.curs h5 {
    font-family: Heebo-Bold;
  border-bottom-color: #ffffff;
    opacity: 1;
} 


@media (max-width: 1560px) {
  .advantage {
    padding: 12% 0 6.5%;
  }
  .advantage_describe {
    font-size: 17px;
  }
}
@media (max-width: 1400px) {
  .advantage_right_text li h5 {
    font-size: 15px;
  }
}
@media (max-width: 1200px) {
  .advantage {
    padding: 110px 0 60px;
  }
  .advantage_left {
    padding: 36px;
  }
  .advantage_describe {
    font-size: 16px;
  }
  .advantage_more {
    margin-top: 30px;
  }
  .advantage_right_text {
    padding: 24px;
  }
  .advantage_right_text li h5 {
    font-size: 14px;
  }
}
@media (max-width: 990px) {
  .advantage {
    padding: 30px 0;
  }
  .advantage_cont {
    flex-flow: column-reverse;
  }
  .advantage_left {
    width: 100%;
    padding: 20px 24px 30px;
  }
  .advantage_right {
    width: 100%;
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  .advantage_left {
    width: 100%;
    padding: 20px 15px;
  }
}


/* clients */
.clients {
    background-color: #0f252e;
  /* padding: 60px 0 94px; */
  padding: 60px 0 4.9%;
}
.clients .titles2 h2 {
  color: #ffffff;
  text-align: center;
}
.clients_detail {
  font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.4;
    letter-spacing: 0px;
    color: #ffffff;
  text-align: center;
  max-width: 995px;
  margin: 0.5em auto 0;
}
.clients_uls {
  width: 94.74%;
  margin: 3.1% auto 0;
}
.clients_uls li {
  width: 216px;
}
.clients_uls li a {
  display: block;
}
.clients_uls li .imgs {
  padding-top: calc(110 / 216 * 100%);
}

@media (max-width: 1560px) {
  .clients {
    padding: 3.5% 0 4.8%;
  }
}
@media (max-width: 1400px) {
  .clients_detail {
    font-size: 18px;
  }
}
@media (max-width: 1200px) {
  .clients {
    padding: 40px 0 45px;
  }
  .clients_detail {
    font-size: 16px;
  }
  .clients_uls {
    margin-top: 32px;
  }
}
@media (max-width: 990px) {
  .clients {
    padding: 36px 0 40px;
  }
  .clients_uls {
    width: calc(100% - 40px);
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  .clients {
    padding: 24px 0 32px;
  }
  .clients_detail {
    font-size: 15px;
  }
  .clients_uls {
    margin-top: 24px;
  }
}


/* news */
.news {
  padding: 78px 0;
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: cover;
}
.news .titles2 h2 {
  text-align: center;
}
.news_cont {
  margin-top: 2.8%;
}
.news_cont ul {
  display: flex;
}
.news_cont li {
  width: 466px;
  margin-right: 50px;
}
.news_cont li a {
  display: block;
}
.news_cont li .imgs {
  padding-top: calc(266 / 466 * 100%);
}
.news_cont li .text {
  /* text-align: justify; */
  padding-top: 6.5%;
}
.news_cont li .text h6 {
  font-size: 14px;
    font-weight: normal;
    line-height: 1.5;
    color: #616472;
}
.news_cont li .text h4 {
    font-family: Heebo-Bold;
    font-size: 24px;
    font-weight: normal;
    line-height: 1.17;
    color: #121d4b;
  display: block;
  overflow : hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  margin-top: 0.625em;
}
.news_cont li:hover .text h4  {
  color: var(--dth-main-color);
}
.news_cont li .text .sums {
  font-size: 14px;
    font-weight: normal;
    line-height: 1.7;
    color: #616472;
  overflow : hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  margin-top: 1em;
}
.news_cont li .text .mor {
  font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #121d4b;
  margin-top: 9%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}
.news_cont li .text .mor span {
  width: calc(11 / 16 * 1em);
  height: 1em;
  margin-left: 0.8em;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  background-image: url("../images/news_jt.png");
  display: block;
}

.news_a {
  margin-top: 3.2%;
}
.news_a a {
    width: 10em;
    background-color: #ffffff;
    border-radius: 0.2em;
    border: solid 1px rgba(97, 100, 114, 0.36);
  font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 2.75;
    letter-spacing: 0px;
    color: #616472;
  text-align: center;
  display: block;
  margin: 0 auto;
}
.news_a a:hover {
  border-color: var(--dth-main-color);
  background-color: var(--dth-main-color);
  color: #ffffff;
}

@media (max-width: 1560px) {
  .news {
    padding: 5% 0;
  }
  .news_cont li .text h4 {
    font-size: 22px;
  }
  .news_cont li .text .mor {
    font-size: 15px;
  }
  .news_a a {
    font-size: 15px;
  }
}
@media (max-width: 1400px) {
}
@media (max-width: 1200px) {
  .news {
    padding: 45px 0 50px;
  }
  .news_cont {
    margin-top: 24px;
  }
  .news_cont li .text {
    padding-top: 15px;
  }
  .news_cont li .text h6 {
    font-size: 13px;
  }
  .news_cont li .text h4 {
    font-size: 20px;
    margin-top: 10px;
  }
  .news_cont li .text .sums {
    margin-top: 12px;
  }
  .news_cont li .text .mor {
    font-size: 14px;
    margin-top: 12px;
  }
  .news_a {
    margin-top: 32px;
  }
  .news_a a {
    font-size: 14px;
  }
}
@media (max-width: 990px) {
  .news {
    padding: 40px 0 50px;
  }
  .news_cont {
    margin-top: 20px;
  }
  .news_cont li .text h4 {
    font-size: 22px;
  } 
  .news_cont li .text .sums {
    font-size: 13px;
  }
  .news_a a {
    font-size: 13px;
  }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  .news {
    padding: 36px 0 40px;
  }
  .news_cont {
    margin-top: 16px;
  }
  .news_cont li .text h6 {
    font-size: 12px;
  }
  .news_cont li .text h4 {
    font-size: 20px;
  }
  .news_cont li .text .mor {
    font-size: 13px;
  }
  .news_a {
    margin-top: 24px;
  }
  .news_a a {
    font-size: 12px;
  }
}


/* foot */
footer {
    background-color: #13191b;
}
footer a {
  font-size: inherit;
  color: inherit;
}
footer a:hover {
  color: #ffffff;
}
.layout {
  padding: 62px 0 70px;
}
.layout_logo {
  width: 16%;
  margin-right: 3.2%;
  flex-shrink: 0;
}
.layout_logo a {
  display: block;
}
.layout_logo a img {
  display: block;
  max-width: 100%;
}
.layout_contact {
  /* width: 43.4%; */
  flex-shrink: 0;
  width: 46%;
  margin-right: 5%;
}
.layout_tit {
  font-family: Heebo-Bold;
    font-size: 18px;
    font-weight: normal;
    line-height: 1.5;
    color: #ffffff;
  margin-bottom: 1em;
}
.layout_contact_ul {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
}
.layout_contact_ul li {
  margin-right: 5.1%;
}
.layout_contact_ul li:nth-child(2n) {
  margin-right: 0;
}
.layout_contact_ul li,
.layout_contact_wz {
  font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 2.1;
    letter-spacing: 0px;
    color: rgba(255, 255, 255, 0.6);
}
.layout_contact_wz {
  margin-top: 1em;
}
.layout_share {
  margin-top: 6.2%;
}
.layout_share ul {
  flex-wrap: wrap;
}
.layout_share li {
  margin-right: 18px;
}
.layout_share li:last-child {
  margin-right: 0;
}
.layout_share li a {
  display: block;
  width: 36px;
  height: 36px;
  border-radius: 50%;
    background-color: #444747;
  transition: 0.3s ease;
}
.layout_share li:hover a {
    background-color: #1735cb;
}
.layout_share li img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.6;
  transition: 0.3s ease;
}
.layout_share li:hover img {
  opacity: 1;
}
.layout_pro {
  flex-grow: 1;
  overflow: hidden;
}
.layout_pro ul {
  flex-wrap: wrap;
}
.layout_pro li {
  width: 48%;
  justify-content: space-between;
}
.layout_pro li a {
  font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 2.1;
    letter-spacing: 0px;
    color: #babbbb;
}
.layout_pro li a:hover {
    text-decoration: underline;
  color: #ffffff;
}

.feet {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 2;
    letter-spacing: 0px;
    color: rgba(255, 255, 255, 0.6);
  padding: 2.2em 0;
  text-align: center;
}
.feet .dth_wh {
  flex-wrap: wrap;
  justify-content: center;
}


@media (max-width: 1560px) {
  .layout {
    padding: 4% 0 4.5%;
  }
  .feet {
    padding: 2em 0;
  }
}
@media (max-width: 1400px) {
  .layout_tit {
    margin-bottom: 0.8em;
  }
  .feet {
    font-size: 13px;
  }
}
@media (max-width: 1200px) {
  .layout {
    padding: 40px 0 42px;
  }
  .layout_tit {
    font-size: 17px;
  }
  .layout_contact_wz {
    margin-top: 0.8em;
  }
  .feet {
    padding: 1.8em 0;
  }
}
@media (max-width: 990px) {
  .layout {
    padding: 36px 0;
  }
  .feet {
    padding: 1.5em 0;
  }
  .layout_contact {
    margin: 0;
    flex-grow: 1;
  }
  .layout_logo {
    width: 12%;
    margin-right: 8%;
  }
  .layout_contact_ul li, 
  .layout_contact_wz {
    font-size: 13px;
  }
  .layout_pro {
    display: none;
  }
  .layout_share {
    margin-top: 20px;
  }
  .layout_share li a {
    width: 32px;
    height: 32px;
  }

  .menu-handler {
        background-color: var(--main-theme-color);
        padding: 10px;
        display: block;
        margin-left:20px;
    }

    .menu-handler span {
        position: relative;
        background-color: #fff;
        display: block;
        height: 2px;
        margin-top: 5px;
        width: 20px
    }

    .menu-handler span:first-child {
        margin-top: 0
    }
}
@media (max-width: 768px) {
}
@media (max-width: 640px) {
  .layout {
    padding: 20px 0 15px;
  }
  .layout .dth_wh {
    flex-flow: column;
  }
  .layout_logo {
    width: 100%;
    margin-right: 0;
  }
  .layout_logo a img {
    max-width: 70%;
    max-height: 50px;
  }
  .layout_contact {
    width: 100%;
    margin-top: 20px;
  }
  .layout_tit {
    margin-bottom: 5px;
  }
  .layout_share {
    margin-top: 15px;
  }
  .feet {
    font-size: 12px;
  }
}

.language {
  margin: 0 auto;
}
.language-group .btn {
  padding: 0px 5%;
  width: 100%;
  outline: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  height: 100%;
  background: none;
  color: #fff;
}
.btn-group {
  height: 30px;
  background: transparent;
  /* margin-top: 3%; */
  box-sizing: border-box;
  padding: 0px;
  line-height: 30px;
  /* width: 13%; */
  width: 120px;
  font-size: 14px;
  display: block;
  margin-left: 0;
}
.btn-group span {
  font-size: 14px;
  margin: 0 0.3em;
}