/* 通用 */

.dth_wh {
  width: 96%;
  max-width: 1480px;
  display: block;
  margin: 0 auto;
}

.dth_wh.d1600 {
  max-width: 1600px;
}

.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(1.1);
}

@media (max-width: 1200px) {
  .dth_wh {
    width: 100%;
    padding: 0 15px;
  }

}

@media (max-width: 991px) {

  .fp-enabled body,
  body {
    padding-top: 60px;
  }
}

@media (max-width: 767px) {

  .fp-enabled body,
  body {
    padding-bottom: 0;
  }
}

@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;
}

.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: 40px;
  height: 40px;
  border: 2px solid #ffffff;
  position: absolute;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  left: 12px;
  top: 50%;
  margin-top: -20px;
}

.swiper-button-prev::after,
.swiper-button-next::after {
  width: 16px;
  height: 16px;
  border-color: transparent transparent #4d4d4d #4d4d4d;
  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%;
  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;
}

.sideNav {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 98;
}

.sideNav li {}

.sideNav li:nth-child(n+2) {
  margin-top: 1.66vh;
}

.sideNav li a {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  font-size: 16px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 1.75;
  letter-spacing: 0px;
  color: #999999;
}

.sideNav li a::before {
  content: "";
  display: block;
  width: 0;
  height: 2px;
  background-color: #ffffff;
  margin-right: 1.8em;
}

.sideNav li span {
  display: block;
  border-bottom: 2px solid transparent;
}

.sideNav li.active a {
  color: #ffffff;
}

.sideNav li.active a::before {
  width: 2.8em;
}

.sideNav li.active span {
  border-color: #c00301;
}

.sideNav.blak li a::before {
  background-color: #c00301;
}

.sideNav.blak li.active a {
  color: #c00301;
}

@media (max-width: 1600px) {
  .sideNav li a {
    font-size: 15px;
  }

  .sideNav li.active a::before {
    width: 2em;
    margin-right: 1em;
  }
}

@media (max-width: 1200px) {

  .section,
  .fp-tableCell {
    height: auto !important;
  }

  .sideNav {
    display: none;
  }
}

@media (max-width: 1024px) {}

@media (max-width: 990px) {
  .sideNav {
    display: none;
  }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {}


/* 头部 */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 95;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

header.blak {
  background-color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, 1);
  box-shadow: 0 0 24px 4px rgba(51, 51, 51, 0.04);
}

header .dth_wh {
  align-items: center;
  height: 90px;
}

.head_logo {
  display: block;
}

.head_logo a {
  display: block;
}

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

.head_logo img:last-child {
  display: none;
}

header.blak .head_logo img:first-child {
  display: none;
}

header.blak .head_logo img:last-child {
  display: block;
}

.saerch {
  margin-left: 3.75%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 100%;
  flex-shrink: 0;
}

.serach_btn {
  display: block;
  width: 24px;
  height: 24px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  background-image: url("../images/sous.png");
  cursor: pointer;
}

header.blak .serach_btn {
  background-image: url("../images/sous_bla.png");
}

.saerch_form {
  position: absolute;
  right: 0;
  top: 100%;
  width: 240px;
  display: none;
}

#hea_formsearch {
  background-color: #ffffff;
  box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.1);
}

#hea_formsearch input {
  outline: none;
  border: none;
  background: none;
  height: 40px;
}

#hea_formsearch input#hea_keyword {
  width: calc(100% - 50px);
  padding: 0 1em;
  font-size: 14px;
  color: #333;
}

#hea_formsearch input#hea_keyword::placeholder {
  color: #999999;
}

#hea_formsearch input#hea_btn {
  font-size: 0;
  width: 50px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 48% auto;
  background-image: url("../images/sous.png");
  background-color: #c00301;
}

/* 导航 */
nav {
  margin-left: auto;
}

.x-menu {
  justify-content: flex-end;
  align-items: center;
}

.x-menu>li {
  position: relative;
  margin-right: 60px;
}

.x-menu>li:last-child {
  margin-right: 0;
}

.x-menu>li>a {
  display: block;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  color: #ffffff;
  line-height: 90px;
}

header.blak .x-menu>li>a {
  color: #999999;
}

.x-menu>li:hover,
.x-menu>li.active>a {
  color: #c00301;
}

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

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

.x-sub-menu {
  position: absolute;
  left: 50%;
  top: 100%;
  width: 150px;
  transform: translateX(-50%);
  background-color: #c00301;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
  display: none;
}

.x-sub-menu>li {}

.x-sub-menu>li:nth-child(n+10) {
  display: none;
}

.x-sub-menu>li>a {
  display: block;
  text-align: center;
  font-size: 14px;
  font-weight: normal;
  color: #ffffff;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 2;
  padding: 0.5em 1em;
}

.x-sub-menu>li:hover>a {
  background-color: rgba(0, 0, 0, 0.5);
}


@media (max-width: 1660px) {}

@media (max-width: 1540px) {
  .x-menu>li {
    margin-right: 3.9vw;
  }
}

@media (max-width: 1480px) {}

@media (max-width: 1200px) {}

@media (max-width: 990px) {
  header {
    display: none;
  }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {}

/* 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 .swiper-button-prev,
#banner .swiper-button-next {
  width: 50px;
  height: 65px;
  background-color: rgba(255, 255, 255, 0.5);
}

#banner .swiper-button-prev {
  left: 0;
}

#banner .swiper-button-next {
  right: 0;
}

#banner .swiper-button-prev:hover,
#banner .swiper-button-next:hover {
  background-color: #ff4500;
}

/* #banner .swiper-button-prev::after,
#banner .swiper-button-next::after {
  width: 16px;
  height: 16px;
  border-color: transparent transparent #4d4d4d #4d4d4d;
  position: relative;
  left: 0;
  top: 0;
  margin: 0;
}

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

#banner .swiper-pagination {
    bottom: 5%;
}

#banner .swiper-pagination-bullet {
  width: 36px;
  height: 36px;
  opacity: 1;
  background-color: transparent;
  position: relative;
  margin: 0 12px;
}

#banner .swiper-pagination-bullet::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: #ffffff;
}

#banner .swiper-pagination-bullet:hover {}

#banner .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: transparent;
}

#banner .swiper-pagination-bullet.swiper-pagination-bullet-active::before {
  width: 100%;
  height: 100%;
  background-color: transparent;
  border: 2px solid #ffffff;
  opacity: 0.2;
  z-index: 1;
}

#banner .swiper-pagination-bullet .rotato_left,
#banner .swiper-pagination-bullet .rotato_right {
  display: block;
  width: 50%;
  height: 100%;
  position: absolute;
  top: 0;
  overflow: hidden;
}

#banner .swiper-pagination-bullet .rotato_left {
  left: 0;
}

#banner .swiper-pagination-bullet .rotato_right {
  right: 0;
}

#banner .swiper-pagination-bullet .rotato_left::before,
#banner .swiper-pagination-bullet .rotato_right::before {
  content: "";
  display: block;
  width: 200%;
  height: 100%;
  position: absolute;
  top: 0;
  border-width: 2px;
  border-style: solid;
  border-color: #ffffff #ffffff transparent transparent;
  border-radius: 50%;
}

#banner .swiper-pagination-bullet .rotato_left::before {
  left: 0;
  transform: rotate(45deg);
}

#banner .swiper-pagination-bullet .rotato_right::before {
  right: 0;
  transform: rotate(-135deg);
}

#banner .swiper-pagination-bullet.swiper-pagination-bullet-active .rotato_left::before {
  transition: all 3s ease;
  animation: rotato_left 3s 3s linear forwards;
}

#banner .swiper-pagination-bullet.swiper-pagination-bullet-active .rotato_right::before {
  transition: all 3s ease;
  animation: rotato_right 3s 0s linear forwards;
}

@keyframes rotato_left {
  0% {
    transform: rotate(45deg);
  }

  100% {
    transform: rotate(225deg);
  }
}

@-webkit-keyframes rotato_left {
  0% {
    transform: rotate(45deg);
  }

  100% {
    transform: rotate(225deg);
  }
}

@keyframes rotato_right {
  0% {
    transform: rotate(-135deg);
  }

  100% {
    transform: rotate(45deg);
  }
}

@-webkit-keyframes rotato_right {
  0% {
    transform: rotate(-135deg);
  }

  100% {
    transform: rotate(45deg);
  }
}

@media (min-width: 1201px) {
  #banner li .imgs img {
    height: 100vh;
  }
}

@media (max-width: 1540px) {}

@media (max-width: 1480px) {}

@media (max-width: 1200px) {}

@media (max-width: 990px) {
  #banner li .imgs img {
    min-height: 200px;
  }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {
  #banner li .imgs img {
    min-height: 160px;
  }
}

/* 第二屏-产品 */
.product {
  padding-top: 90px;
  overflow: hidden;
}

.product .dth_wh {
  max-width: 100%;
  width: 100%;
  padding: 0;
  align-items: center;
}

.product_uls {
  padding: 0 76px 0 calc((100vw - 1480px) / 2);
  width: 47.4%;
  position: relative;
  z-index: 80;
}

.product_uls li {}

.product_uls li a {
  display: block;
}

.product_uls li h4 {
  font-size: 40px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 1;
  letter-spacing: 0px;
  color: #c00301;
}

.product_uls li h4 span {
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1;
  letter-spacing: 0px;
  color: #999999;
}

.product_uls li h3 {
  font-size: 46px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.5;
  letter-spacing: 0px;
  color: #23262c;
  margin-top: 0.7em;
}

.product_uls li .sums {
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 2;
  letter-spacing: 0px;
  color: #666666;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  margin-top: 1.5em;
}

.product_uls .swiper_arrow {
  margin-top: 9.5%;
  position: relative;
  width: 110px;
}

.swiper_arrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.swiper_arrow .swiper-button-prev,
.swiper_arrow .swiper-button-next {
  position: relative;
  display: flex;
  width: 48px;
  height: 48px;
  border: solid 1px #c00301;
  background-color: #ffffff;
  left: 0;
  top: 0;
  margin: 0;
  border-radius: 50%;
}

.swiper_arrow .swiper-button-prev {
  margin-right: 14px;
}

.swiper_arrow .swiper-button-next {}

.swiper_arrow .swiper-button-prev::after,
.swiper_arrow .swiper-button-next::after {
  border-color: transparent transparent #c00301 #c00301;
  width: 10px;
  height: 10px;
  left: 2px;
}

.swiper_arrow .swiper-button-prev:hover,
.swiper_arrow .swiper-button-next:hover {
  border-color: #c00301;
  background-color: #c00301;
}

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


.product_right {
  width: 52.6%;
  position: relative;
  height: calc(100vh - 90px);
}

.product_rotate {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
}

.product_rotate::before {
  content: "";
  display: block;
  width: 1920px;
  height: 1920px;
  border: 200px solid #fff;
  box-shadow: 0 0 31px 3px rgba(0, 0, 0, .05);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  z-index: 6;
  border-radius: 50%;
}

.product_rotate_center {
  width: 1920px;
  height: 1920px;
  position: relative;
  z-index: 50;
  transition: all 0.4s;
}

.product_rotate li {
  position: absolute;
  /* top: 50%;
  left: 0; */
  /* width: 200px; */
}

.product_rotate li .imgs {
  width: 80px;
  height: 80px;
  background-color: #ffffff;
  border: solid 1px rgba(192, 4, 1, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  border-radius: 50%;
  transition: all 0.36s;
  cursor: pointer;
  position: relative;
}

.product_rotate li .imgs::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(50% 50% at 50% 50%, transparent, rgba(171, 0, 0, .2));
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: all 0.36s;
}

.product_rotate li.on .imgs::before {
  opacity: 1;
  animation: sypt2kuo 2s ease-out infinite;
}

@keyframes sypt2kuo {
  0% {
    width: 100%;
    height: 100%;
    opacity: 1;
  }

  88% {
    width: calc(100% + 44px);
    height: calc(100% + 44px);
    opacity: 1;
  }

  100% {
    width: calc(100% + 50px);
    height: calc(100% + 50px);
    opacity: 0;
  }
}

.product_rotate li.on .imgs {
  background-color: #c00301;
  border-color: #c00301;
}

.product_rotate li .imgs img {
  width: 64%;
  height: 64%;
  display: block;
  position: relative;
  z-index: 30;
}

.product_rotate li.on .imgs img {
  filter: invert(94%) sepia(86%) saturate(2%) hue-rotate(295deg) brightness(113%) contrast(101%);
}

.dotli {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  transform: translate(-960px, -50%);
  transform-origin: center 960px;
}

@media (min-width: 1920px) {
  .product_rotate::before {
    width: 100vw;
    height: 100vw;
    border-left-width: 10.4vw;
  }

  .product_rotate_center {
    width: 100vw;
    height: 100vw;
  }

  .dotli {
    transform: translate(-50vw, -50%);
    transform-origin: center 50vw;
    width: 10.4vw;
  }
}

/* 前面三个-重复 */
.dotli_fir3 {
  top: calc(43%);
  left: 50.5%;
}

.dotli_fir2 {
  top: calc(36.1%);
  left: 52.2%;
}

.dotli_fir1 {
  top: calc(29.6%);
  left: 54.9%;
}

/* 中间内容 */
.dotli1 {}

.dotli2 {
  top: calc(57%);
  left: 50.5%;
}

.dotli3 {
  top: calc(63.9%);
  left: 52.2%;
}

.dotli4 {
  top: calc(70.4%);
  left: 54.9%;
}

.dotli5 {
  top: calc(76.4%);
  left: 58.6%;
}

.dotli6 {
  top: calc(81.7%);
  left: 63.15%;
}

.dotli7 {
  top: calc(86.3%);
  left: 68.5%;
}

.dotli8 {
  top: calc(90%);
  left: 74.5%;
}

.dotli9 {
  top: calc(92.6%);
  left: 81.1%;
}

/* 结尾三个-重复 */
.dotli_las1 {
  top: calc(94.3%);
  left: 87.8%;
}

.dotli_las2 {
  top: calc(94.9%);
  left: 94.8%;
}

.dotli_las3 {
  top: calc(94.4%);
  left: 101.9%;
}


.product_rimgs {
  position: relative;
  z-index: 1;
  padding-left: 180px;
}

.product_rimgs ul {
  position: relative;
}

.product_rimgs li {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  opacity: 0;
  z-index: -1;
  transition: 0.5s ease;
}

.product_rimgs li.acts {
  position: relative;
  opacity: 1;
  z-index: 1;
}

.product_rimgs li .imgs {
  height: calc(100vh - 90px);
  padding-top: 0;
  overflow: hidden;
}


@media (max-width: 1540px) {
  .product_uls {
    padding: 0 4.8% 0 2%;
  }

  .product_uls li h3 {
    font-size: 3vw;
  }
}

@media (max-width: 1480px) {
  .product_uls {
    padding: 0 3% 0 2%;
  }

  .product_uls li .sums {
    font-size: 15px;
  }

  .product_uls li h4 {
    font-size: 36px;
  }

  .product_uls li h4 span {
    font-size: 18px;
  }

  .product_rimgs {
    padding-left: 120px;
  }

  .product_rotate li .imgs {
    width: 70px;
    height: 70px;
  }

  .dotli {
    width: 164px;
    transform: translate(-770px, -50%);
    transform-origin: center 770px;
  }

  .product_rotate::before {
    width: 1540px;
    height: 1540px;
    border-width: 160px;
  }

  .product_rotate_center {
    width: 1540px;
    height: 1540px;
  }
}

@media (max-width: 1200px) {
  .product {
    padding-top: 0;
  }

  .product_uls li h3 {
    font-size: 32px;
  }

  .product_uls li .sums {
    font-size: 14px;
  }

  .product_uls li h4 {
    font-size: 32px;
  }

  .product_uls li h4 span {
    font-size: 16px;
  }

  .product_uls .swiper_arrow {
    width: 94px;
  }

  .swiper_arrow .swiper-button-prev,
  .swiper_arrow .swiper-button-next {
    width: 42px;
    height: 42px;
  }

  .swiper_arrow .swiper-button-prev {
    margin-right: 10px;
  }

  .product_rimgs {
    padding-left: 120px;
  }

  .product_rotate::before {}

  .product_rotate li {}

  .product_rotate li .imgs {
    /* width: 60px;
    height: 60px; */
  }
}

@media (max-width: 990px) {
  .product_uls li h3 {
    font-size: 28px;
  }

  .product_right {
    height: 500px;
  }

  .product_rimgs li .imgs {
    height: 500px;
  }
}

@media (max-width: 767px) {
  .product .dth_wh {
    flex-flow: column;
  }

  .product_uls {
    width: 100%;
    padding: 50px 12px;
  }

  .product_right {
    width: 100%;
    height: 400px;
  }

  .product_rimgs li .imgs {
    height: 400px;
  }

  .product_rotate {
    left: 50%;
    transform: translateX(-50%);
    top: 0;
  }

  .product_rotate li .imgs {
    width: 50px;
    height: 50px;
  }

  .product_rimgs {
    padding-left: 0;
    padding-top: 120px;
  }

  .product_rotate::before {
    border-width: 120px;
  }

  .dotli {
    width: 140px;
    transform: translate(-780px, -50%);
    transform-origin: center 780px;
  }
  .dotli_fir1 {
    left: 55.2%;
  }
  .dotli4 {
    top: 70%;
    left: 54.8%;
  }
  .dotli5 {
    top: calc(76%);
    left: 58.2%;
  }
  .dotli6 {
    top: calc(81.6%);
    left: 62.5%;
  }
  .dotli7 {
    top: calc(86.5%);
    left: 68%;
  }
  .dotli8 {
    top: calc(90.1%);
    left: 73.9%;
  }
  .dotli9 {
    top: calc(93%);
    left: 80.1%;
  }

  .dotli_las1 {
    top: calc(94.6%);
    left: 87.2%;
  }
  .dotli_las2 {
    top: calc(95.6%);
    left: 94.2%;
  }
  .dotli_las3 {
    top: calc(95.4%);
    left: 101.3%;
  }

  .product_rotate_center {}
}

@media (max-width: 640px) {
  .product_uls  {
    padding: 30px 12px;
  }
  .product_uls li h3 {
    font-size: 24px;
  }
  .product_uls li .sums {
    margin-top: 1em;
  }
  .product_uls .swiper_arrow {
    width: 82px;
  }
  .swiper_arrow .swiper-button-prev,
  .swiper_arrow .swiper-button-next {
    width: 36px;
    height: 36px;
  }

  .swiper_arrow .swiper-button-prev::after,
  .swiper_arrow .swiper-button-next::after {
    width: 8px;
    height: 8px;
  }
}


/* 第三屏-关于 */
.abouts {
  padding-top: 90px;
}

.abouts_cont {
  max-width: 785px;
}

.abouts_tit {
  font-size: 36px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 1.5;
  letter-spacing: 0px;
  color: #23262c;
}

.abouts_text {
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.75;
  letter-spacing: 0px;
  color: #666666;
  margin-top: 4.9%;
}

.abouts_uls {
  margin-top: 6%;
}

.abouts_uls ul {}

.abouts_uls li {
  margin-right: 10%;
}

.abouts_uls li:last-child {
  margin-right: 0;
}

.abouts_uls li a {
  display: block;
  text-align: center;
}

.abouts_uls li .imgs {
  width: 50px;
  height: 50px;
  padding-top: 0;
  margin: 0 auto;
}

.abouts_uls li .imgs img {
  object-fit: contain;
}

.abouts_uls li .text {
  margin-top: 12px;
}

.abouts_uls li .text h4 {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 18px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.5;
  letter-spacing: 0px;
  color: #666666;
}

.abouts_a {
  margin-top: 13.5%;
}

.abouts_a a {
  display: block;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 3;
  letter-spacing: 0px;
  color: #ffffff;
  width: 10em;
  background-color: #c00301;
  border: 1px solid #c00301;
  border-radius: 2em;
  text-align: center;
}

.abouts_a a:hover {
  background-color: #ffffff;
  color: #c00301;
}

@media (max-width: 1540px) {
  .abouts_tit {
    font-size: 2.35vw;
  }
}

@media (max-width: 1480px) {
  .abouts_uls li .text h4 {
    font-size: 17px;
  }

  .abouts_uls li .imgs {
    width: 45px;
    height: 45px;
  }

  .abouts_a {
    margin-top: 12%;
  }

  .abouts_a a {
    font-size: 15px;
  }
}


@media (max-width: 1200px) {
  .abouts {
    padding: 50px 0;
  }

  .abouts_tit {
    font-size: 28px;
  }

  .abouts_text {
    font-size: 15px;
    margin-top: 4%;
  }

  .abouts_uls {}

  .abouts_uls li .imgs {
    width: 42px;
    height: 42px;
  }

  .abouts_uls li .text h4 {
    font-size: 16px;
  }

  .abouts_a {
    margin-top: 8%;
  }

  .abouts_a a {
    font-size: 14px;
  }
}

@media (max-width: 990px) {
  .abouts {
    padding: 40px 0;
  }

  .abouts_cont {
    max-width: 75%;
  }

  .abouts_tit {
    font-size: 24px;
  }

  .abouts_text {
    font-size: 14px;
    margin-top: 15px;
  }

  .abouts_uls {
    margin-top: 24px;
  }

  .abouts_uls li .text {
    margin-top: 10px;
  }

  .abouts_uls li .text h4 {
    font-size: 15px;
  }

  .abouts_a {
    margin-top: 24px;
  }

  .abouts_a a {
    font-size: 13px;
  }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {
  .abouts_cont {
    max-width: 100%;
  }

  .abouts_tit {
    font-size: 22px;
  }

  .abouts_text {
    margin-top: 10px;
  }

  .abouts_uls {
    margin-top: 20px;
  }

  .abouts_uls li .imgs {
    width: 36px;
    height: 36px;
  }

  .abouts_uls li .text h4 {
    font-size: 14px;
  }

  .abouts_a a {
    width: 8em;
    line-height: 2.8;
    font-size: 12px;
  }
}


/* 第四屏-选择理由 */
.reason {
  padding-top: 90px;
}

.reason .dth_wh {
  width: 100%;
  padding: 0;
  align-items: center;
  max-width: 100%;
}

.reason_left {
  width: 50%;
  padding: 0 130px 0 calc((100vw - 1480px) / 2);
}

.reason_tit {
  font-size: 36px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.5;
  letter-spacing: 0px;
  color: #23262c;
}

.reason_sums {
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 2;
  letter-spacing: 0px;
  color: #666666;
  margin-top: 1.1em;
  text-align: justify;
}

.reason_lis {
  margin-top: 10%;
}

.reason_lis ul {
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  max-width: 450px;
}

.reason_lis li {
  width: 29.8%;
}

.reason_lis li:nth-child(n+4) {
  margin-top: 20px;
}

.reason_lis li a {
  display: block;
  text-align: center;
  border: solid 2px #ebebeb;
  padding: 12.6% 12%;
  transition: 0.3s linear;
}

.reason_lis li.acts a {
  background-color: #c00301;
  border-color: #c00301;
}

.reason_lis li .imgs {
  display: block;
  margin: 0 auto;
  height: 60px;
  transition: 0.3s linear;
}

.reason_lis li .imgs img {
  width: auto;
  max-width: 100%;
  height: 100%;
  object-fit: contain;
}

.reason_lis li.acts .imgs {
  filter: invert(94%) sepia(86%) saturate(2%) hue-rotate(295deg) brightness(113%) contrast(101%);
}

.reason_lis li h4 {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.5;
  letter-spacing: 0px;
  color: #23262c;
  margin-top: 0.75em;
  transition: 0.3s linear;
}

.reason_lis li.acts h4 {
  color: #ffffff;
}

.reason_right {
  width: 50%;
}

.reason_uls {
  position: relative;
}

.reason_uls li {
  position: relative;
}

.reason_uls li .imgs {
  padding-top: 0;
  height: calc(100vh - 90px);

}

.reason_uls li .text {
  position: absolute;
  bottom: 28.7%;
  left: 90px;
  width: 485px;
  text-align: justify;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.875;
  letter-spacing: 0px;
  color: #fafafa;

  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
}

.reason_arrow {
  position: absolute;
  left: 90px;
  bottom: 14%;
  display: flex;
  align-items: center;
}

.reason_arrow .swiper-button-prev,
.reason_arrow .swiper-button-next {
  position: relative;
  display: flex;
  width: 48px;
  height: 48px;
  border: solid 1px #ffffff;
  left: 0;
  top: 0;
  margin: 0;
  border-radius: 50%;
}

.reason_arrow .swiper-button-prev {
  margin-right: 14px;
}

.reason_arrow .swiper-button-next {}

.reason_arrow .swiper-button-prev::after,
.reason_arrow .swiper-button-next::after {
  border-color: transparent transparent #ffffff #ffffff;
  width: 10px;
  height: 10px;
  left: 2px;
}

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

.reason_arrow .swiper-button-prev:hover::after,
.reason_arrow .swiper-button-next:hover::after {
  border-color: transparent transparent #c00301 #c00301;
}

@media (max-width: 1540px) {
  .reason_left {
    padding: 0 8% 0 2%;
  }

  .reason_uls li .text {
    width: 85%;
    left: 9%;
    font-size: 15px;
  }

  .reason_arrow {
    left: 9%;
  }
}

@media (max-width: 1480px) {
  .reason_left {
    padding: 0 5% 0 2%;
  }

  .reason_tit {
    font-size: 2.44vw;
  }

  .reason_sums {
    font-size: 15px;
  }

  .reason_lis ul {
    max-width: 420px;
  }

  .reason_lis li .imgs {
    height: 55px;
  }

  .reason_lis li h4 {
    font-size: 15px;
  }

  .reason_uls li .text {
    line-height: 1.8;
  }
}

@media (max-width: 1200px) {
  .reason {
    padding-top: 0;
  }

  .reason_left {
    padding: 0 24px 0 15px;
  }
  .reason_tit {
    font-size: 30px;
  }

  .reason_sums {
    font-size: 14px;
  }

  .reason_lis ul {
    max-width: 400px;
  }

  .reason_lis li .imgs {
    height: 50px;
  }

  .reason_lis li h4 {
    font-size: 14px;
  }

  .reason_uls li .imgs {
    height: 550px;
  }

  .reason_arrow .swiper-button-prev,
  .reason_arrow .swiper-button-next {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 990px) {
  .reason .dth_wh {
    flex-flow: column;
  }

  .reason_left {
    width: 100%;
    padding: 20px 15px;
  }
  .reason_tit {
    font-size: 24px;
  }

  .reason_lis {
    margin-top: 24px;
  }

  .reason_right {
    width: 100%;
  }

  .reason_uls li .imgs {
    height: 210px;
  }

  .reason_uls li .text {
    left: 15px;
    width: calc(100% - 30px);
    bottom: 65px;
  }

  .reason_arrow {
    left: 15px;
    bottom: 12px;
  }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {
  .reason_tit {
    font-size: 20px;
  } 
  .reason_lis li {
    width: 32%;
  }
  .reason_lis li:nth-child(n+4) {
    margin-top: 10px;
  }
  .reason_lis li h4 {
    font-size: 13px;
  }
  .reason_uls li .imgs {}

  .reason_uls li .text {
    left: 12px;
    width: calc(100% - 24px);
    bottom: 55px;
    font-size: 14px;
  }

  .reason_arrow .swiper-button-prev,
  .reason_arrow .swiper-button-next {
    width: 36px;
    height: 36px;
  }

  .reason_arrow .swiper-button-prev::after,
  .reason_arrow .swiper-button-next::after {
    width: 8px;
    height: 8px;
  }
}


/* 第五屏-新闻 */
.news_informa {
  overflow: hidden;
  padding-top: 90px;
}

.news_informa .swiper {
  overflow: visible;
}

.news_informa li {
  width: 452px;
}

.news_informa li a {
  display: block;
  position: relative;
  box-shadow: 0px 4px 24px 0px rgba(51, 51, 51, 0.1);
  background-color: #ffffff;
}

.news_informa li .imgs {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
  transition: 0.5s ease;
  padding-top: 0;
}

.news_informa li:hover .imgs {
  opacity: 1;
}

.news_informa li .text {
  width: 100%;
  padding: 11% 10% 6.5%;
  position: relative;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0);
  transition: 0.5s ease;
}

.news_informa li:hover .text {
  background-color: rgba(0, 0, 0, 0.3);
}

.news_informa li .newsli_tit {
  display: block;
  background-repeat: no-repeat;
  background-position: left center;
  background-size: auto 1em;
  background-image: url("../images/news_ti.png");
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 2;
  letter-spacing: 0px;
  color: #c00301;
  padding-left: 1.7em;
  transition: 0.5s ease;
}

.news_informa li:hover .newsli_tit {
  background-image: url("../images/news_tih.png");
  color: #ffffff;
}

.news_informa li .text h3 {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 20px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 1.5;
  letter-spacing: 0px;
  color: #23262c;
  margin-top: 6.2%;
  transition: 0.5s ease;
}

.news_informa li:hover .text h3 {
  color: #ffffff;
}

.news_informa li .text .sums {
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 2.4;
  letter-spacing: 0px;
  color: #999999;
  margin-top: 9%;
  text-align: justify;
  height: 9.6em;

  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  transition: 0.5s ease;
}

.news_informa li:hover .text .sums {
  color: #ffffff;
}

.news_informa li .text .news_tim {
  border-top: 1px solid #f1f1f1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 5.4%;
  margin-top: 6.8vh;
}

.news_informa li .text .news_tim .tim_l {
  font-size: 46px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 1.2;
  letter-spacing: 0px;
  color: #c00301;
}

.news_informa li:hover .text .news_tim .tim_l {
  color: #ffffff;
}

.news_informa li .text .news_tim .tim_r {}

.news_informa li .text .news_tim .tim_r div {
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.6;
  letter-spacing: 0px;
  color: #666666;
}

.news_informa li:hover .text .news_tim .tim_r div {
  color: #ffffff;
}

.news_informa li .text .news_tim .tim_r span {
  display: block;
  width: 1.6em;
  background-color: #f5f5f5;
  color: #999999;
  font-size: 16px;
  line-height: 1.6;
  text-align: center;
  font-family: 宋体;
  margin-top: 0.3em;
}

.news_swiper_qh {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-top: 8.75vh;
}

.news_swiper_qh .swiper_arrow {
  flex-shrink: 0;
  margin-right: 2.3%;
}

.news_swiper_pagination {}

.news_swiper_qh .news_swiper_pagination .swiper-pagination-bullet {
  width: 9px;
  height: 9px;
  background-color: #c00301;
  opacity: 0.2;
  margin: 0 0.9%;
}

.news_swiper_qh .news_swiper_pagination .swiper-pagination-bullet:hover,
.news_swiper_qh .news_swiper_pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: #c00301;
  opacity: 1;
}

@media (max-width: 1540px) {}

@media (max-width: 1480px) {
  .news_informa li {
    width: 420px;
  }

  .news_informa li .newsli_tit {
    font-size: 15px;
  }

  .news_informa li .text h3 {
    font-size: 19px;
  }

  .news_informa li .text .sums {
    line-height: 2.3;
    height: 9.2em;
    margin-top: 8%;
  }

  .news_informa li .text .news_tim {
    margin-top: 6.4vh;
    padding-top: 5%;
  }

  .news_informa li .text .news_tim .tim_l {
    font-size: 42px;
  }

  .news_informa li .text .news_tim .tim_r div {
    font-size: 15px;
  }

  .news_informa li .text .news_tim .tim_r span {
    font-size: 15px;
  }

  .news_swiper_qh {
    margin-top: 8vh;
  }
}

@media (max-width: 1200px) {
  .news_informa {
    padding: 50px 0;
  }

  .news_swiper_qh {
    margin-top: 36px;
  }

  .news_informa li {
    width: 360px;
  }

  .news_informa li .text {
    padding: 24px 20px 20px;
  }

  .news_informa li .text h3 {
    font-size: 18px;
    margin-top: 15px;
  }

  .news_informa li .text .sums {
    line-height: 2;
    height: 8em;
    margin-top: 15px;
  }

  .news_informa li .text .news_tim {
    margin-top: 20px;
    padding-top: 15px;
  }

  .news_informa li .text .news_tim .tim_l {
    font-size: 32px;
  }

  .news_informa li .text .news_tim .tim_r div {
    font-size: 14px;
  }

  .news_informa li .text .news_tim .tim_r span {
    font-size: 14px;
  }
}

@media (max-width: 990px) {}

@media (max-width: 768px) {}

@media (max-width: 640px) {
  .news_informa {
    padding: 30px 0;
  }

  .news_swiper_qh .news_swiper_pagination .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    margin: 0 5px;
  }

  .news_informa li {
    width: 94vw;
  }

  .news_informa li .text h3 {
    font-size: 17px;
  }

  .news_informa li .text .sums {
    height: 6em;
    -webkit-line-clamp: 3;
  }

  .news_informa li .text .news_tim .tim_l {
    font-size: 28px;
  }

  .news_informa li .text .news_tim .tim_r div,
  .news_informa li .text .news_tim .tim_r span {
    font-size: 13px;
  }
}


/* 第六屏-底部 */
.section6 {
  overflow: hidden;
}

footer {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.section6 footer {
  height: 100vh;
  padding-top: 90px;
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: flex-end;
}

.layout {
  padding: 5vh 0 8vh;
  width: 100%;
}
.section6 footer .layout {
  margin-bottom: 5vh;
}

.layout .dth_wh {
  justify-content: space-between;
}

.layout_tit {
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.5;
  letter-spacing: 0px;
  color: #333333;
  margin-bottom: 1.2em;
}

.layout_nav {
  display: flex;
  width: 72%;
}

.layout_nav dl {
  flex: 1;
  padding-right: 4%;
}

.layout_nav dl:nth-child(2) {
  flex: 1.2;
}

.layout_nav dd {
  display: flex;
  flex-flow: column;
  align-items: flex-start;
  justify-content: flex-start;
}

.layout_nav dd a {
  display: block;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 2.25;
  letter-spacing: 0px;
  color: #999999;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layout_nav dd a::before {
  content: "▪ ";
  color: #c00301;
}

.layout_nav dd a:hover {
  color: #c00301;
}

.layout_contact {
  width: 28%;
}

.layout_contact .telp {
  font-size: 24px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 1;
  letter-spacing: 0px;
  color: #c00301;
}

.layout_contact .contact {
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 1.5;
  letter-spacing: 0px;
  color: #999999;
  margin-top: 1.5em;
}

.layout_ewm {
  position: relative;
  width: 30px;
  padding: 5px 0;
  margin-top: 6.5%;
}

.layout_ewm .bts {
  width: 30px;
  height: 30px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: auto;
  background-image: url("../images/wechat.png");
}

.layout_ewm .imgs {
  position: absolute;
  left: 0;
  top: 100%;
  width: 100px;
  height: 100px;
  background-color: #ffffff;
  box-shadow: 0 0 4px 0 rgba(0, 0, 0, 0.1);
  display: none;
}

.layout_ewm:hover .imgs {
  display: block;
}

.section6 .foots {}

.foots {
  /* padding: 32px 0; */
  padding: 3.2vh 0;
  width: 100%;
}

.foots .dth_wh {
  justify-content: space-between;
  align-items: flex-start;
}

.foots_left {
  width: calc(97% - 200px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 2;
  letter-spacing: 0px;
  color: #999999;
}

.foots_left div {
  margin-right: 1em;
}

.foots_left a {
  font-size: inherit;
  color: inherit;
}

.foots_left a:hover {
  color: #c00301;
}

.foots_link {
  width: 200px;
  position: relative;
}

.foots_link .link_btn {
  border-radius: 22px;
  border: solid 1px #c00301;
  padding-right: 60px;
  position: relative;
  cursor: pointer;
}

.foots_link .link_btn::after {
  content: "";
  display: block;
  width: 60px;
  height: 100%;
  position: absolute;
  right: 0;
  top: 0;
  background-color: #c00301;
  border-radius: 0 22px 22px 0;
  background-repeat: no-repeat;
  background-size: auto;
  background-position: 14px center;
  background-image: url("../images/feiji.png");
}

.foots_link .link_btn span {
  display: block;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 40px;
  letter-spacing: 0px;
  color: #999999;
  padding-left: 20px;
}

.foots_link .links_ul {
  position: absolute;
  left: 0;
  bottom: 100%;
  width: 100%;
  background-color: #c00301;
  display: none;
}

.foots_link .links_ul a {
  display: block;
  text-align: left;
  padding: 0.5em 1em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  line-height: 1.5;
  font-weight: normal;
  color: #ffffff;
}

.foots_link .links_ul a:hover {
  background-color: rgba(0, 0, 0, 0.2);
}

@media (max-width: 1540px) {
  .layout_nav dd a {
    line-height: 2.2;
  }
}
/* 客服 */
#toolbar li.backtop_index a {
  width: 100%;
}

@media (max-width: 1480px) {
  #toolbar {
    display: none;
  }

  .layout_tit {
    font-size: 18px;
    margin-bottom: 0.8em;
  }

  .layout_nav dd a {
    line-height: 2.1;
    font-size: 15px;
  }

  .layout_contact .contact {
    font-size: 15px;
    margin-top: 1.4em;
  }

  .foots_left {
    line-height: 1.8;
    font-size: 13px;
  }

  .foots_link {
    width: 180px;
  }

  .foots_link .link_btn span {
    font-size: 13px;
    line-height: 36px;
    padding-left: 16px;
  }
}

@media (max-width: 1200px) {
  .section6 footer {
    height: auto;
    padding-top: 0;
  }

  .layout {
    padding: 40px 0 20px;
  }
  .section6 footer .layout {
    margin-bottom: 0;
  }

  .layout_tit {
    font-size: 17px;
  }

  .layout_nav dd a {
    line-height: 2;
    font-size: 14px;
  }

  .foots {
    padding: 20px 0;
  }

  .foots_left {
    font-size: 12px;
  }

  .layout_ewm .imgs {
    position: relative;
    display: block;
    margin-top: 10px;
  }
}

@media (max-width: 990px) {
  .layout {
    padding: 24px 0 10px;
  }

  .layout_nav {
    display: none;
  }

  .ft_reg,
  .ft_seo {
    display: none;
  }

  .layout_contact {
    width: 100%;
  }

  .layout_tit {
    font-size: 16px;
  }

  .layout_ewm .bts {
    display: none;
  }

  .layout_ewm {
    margin-top: 0;
  }

  .foots_left {
    width: 100%;
  }

  .foots_link {
    display: none;
  }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {
  .layout {
    padding: 24px 0 5px;
  }

  .layout_tit {
    font-size: 14px;
    margin-bottom: 0.5em;
  }

  .layout_contact .telp {
    font-size: 20px;
  }

  .layout_contact .contact {
    font-size: 13px;
    margin-top: 1em;
  }

  .foots {
    padding: 15px 0;
  }
}