:root {
  --bs-screen-xxl: 78%
}

*,
body,
html {
  margin: 0;
  padding: 0;
  box-sizing: border-box;

}

html {
  font-size: 1rem;
  color: #000;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

h1 {
  font-size: 3rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.375rem;
}

/* .home-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 13.75rem;
  height: 3.5rem;
  background-color: #e9422e;
  color: #FFF;
  transition: all 0.3s ease;
  overflow: hidden;
} */

.home-btn {
  width: 13.75rem;
  height: 3.5rem;
  color: #fff;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
}

.home-btn span {
  position: absolute;
  z-index: 10;
}

.home-btn {
  border: none;
  transition: all 0.3s ease;
  overflow: hidden;
}

.home-btn:after {
  position: absolute;
  content: " ";
  z-index: 9;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #e9422e;
  background-image: linear-gradient(315deg, #e9422e 0%, #ff8b7ed5 74%);
  transition: all 0.3s ease;
}


.home-btn:hover:after {
  -webkit-transform: scale(2) rotate(180deg);
  transform: scale(2) rotate(180deg);
}

/* 头部 */
.header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  height: 5.625rem;
  font-size: 1.125rem;
}

.header-con {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: var(--bs-screen-xxl);
  margin: 0 auto;
}

.header-logo {
  width: 12.5rem;
}

.header-menus {
  display: flex;
  align-items: center;
  margin: 0 3.75rem;
}

.header-menus li {
  margin: 0 1.25rem;
}

.header-menus a {
  color: #fff;
}

.header-search {
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-search input {
  border: none;
  outline: none;
  height: 60%;
  background: transparent;
  border-bottom: 1px solid #FFF;
  width: 12.5rem;
}

.header-search img {
  width: 1.75rem;
  margin-left: 0.5rem;
}

#header-menu__expand {
  display: none;
  margin-right: 1rem;
}

#header-right {
  width: 76%;
  display: flex;
  justify-content: space-between;
}

.home-tool__detail>img {
  width: 50%;
}
.header-lang {
  color: #FFF;
  display: flex;
  width: 9rem;
  margin-left: 1.25rem;
  cursor: pointer;
  position: relative;
}
#header-lang__content {
  border-left: 1px solid #FFF;
  padding: 0 1.5rem;
  display: flex;
  width: 100%;
  cursor: pointer;
  justify-content: space-between;
  align-items: center;
}
.header-lang__flag {
  background-image: url('../assets/imgs/home/lang.gif');
  position: relative;
  display: block;
  background-repeat: no-repeat;
  width: 1.325rem;
  height: 1rem;
  margin-right: 0.3rem;
}
.header-lang__en .header-lang__flag{
  background-position: 0 -256px !important
 }
#header-lang__menus {
  width: 300%;
  display: none;
  background-color: #FFF;
  color: #000;
  position: absolute;
  top: 2rem;
  right: 0rem;
  padding: 1rem 0;
  flex-wrap: wrap;
  box-shadow: 0px 0px 0.875rem #0000006e;
}
#header-lang__menus li {
  width: calc(30% - 0.5rem);
  padding: 0.75rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #dfdcdc;
  margin: 0 0.5rem;
}
.header-lang__triangle {
  font-size: 1.25rem;
  display: inline-block;
  transition: all .2s;
  
}

/* banner */
.home-banner {
  width: 100%;
  position: relative;
}

.home-banner_content {
  width: 100%;
  border: none;
  vertical-align: middle;
  max-width: 100%;
}
.home-banner-swiper {
  width: 100%;
  height: 100%;
  
  overflow: hidden;
}

.home-banner-swiper .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.home-banner-swiper .swiper-slide img {
  display: block;
  width: 100%;
  /* height: 100%;
  object-fit: cover; */
}
.home-banner_show {
  position: absolute;
  left: 0;
  top: 50%;
  width: 74%;
  z-index: -1;
}


/* 产品 */
.home-product {
  font-size: 1.125rem;
  width: 100%;
  position: relative;
  z-index: 3;
  bottom: 0;
  margin-top: -14.375rem;
  height: 28.75rem;
}

.home-product_list {
  height: 100%;

  margin: 0 auto;
  box-shadow: 0px 0px 0.875rem #0000006e;
  color: #000;
  display: flex;
  flex-wrap: wrap;
  width: var(--bs-screen-xxl);
  /* width: 1500px; */

}

.home-product_item {
  width: 25%;
  transition: all .2s;
  color: #000;
  position: relative;
}

.home-product_item--content {
  height: 100%;
  width: 100%;
  padding: 0 4.625rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  background-color: #fff;
  position: absolute;
}


.home-product_item img {
  width: 4.375rem;
  height: 4.375rem;
}

.home-product_item h4,
.home-product_item p {
  text-align: center;
  color: #000;

}

.home-product_item p {
  font-size: 1.125rem;
  color: #818181;

  transition: all .2s;
}

.home-product_item h4 {
  margin: 2.125rem 0 1.625rem 0;
  transition: all .2s;

}

.home-product_item .home-btn {
  display: none;
  margin-top: 4.0625rem;
  /* visibility: hidden; */
}

.home-product_item:hover a {
  background-color: #000;
  z-index: 2;

}

.home-product_item:hover {
  margin: -1.875rem 0;
  color: #fff;
}

.home-product_item:hover a * {
  color: #fff;
}

.home-product_item:hover .home-btn {
  /* visibility: visible; */
  display: flex;
}


/* 首页--关于我们 */
.home-about_content {
  flex-wrap: wrap;
  font-size: 1.125rem;
  width: var(--bs-screen-xxl);
  margin: 0 auto;
  padding: 11.875rem 0;
  display: flex;
  justify-content: space-between;

}

.home-about_img {
  position: relative;
  width: 50%;
  height: 33.5rem;
}

.home-about_img img {
  position: absolute;
  width: 80%;
  transition: all .2s;
  display: inline-block;
}

.home-about_img img:first-child {
  top: 0;
  left: 0;
}

.home-about_img:hover img:first-child {
  z-index: 2;
  top: 100%;
  left: 100%;
  transform: translate(-100%, -100%);
}

.home-about_img:hover img:last-child {
  z-index: 1;
  top: 0;
  left: 0;
  transform: translate(0, 0);
}

.home-about_img img:last-child {
  top: 100%;
  left: 100%;
  transform: translate(-100%, -100%);
}

.home-about_info {
  width: 50%;
  padding-left: 4.375rem;
}

.home-about_info .home-about_intro {
  font-size: 1.25rem;
}

.home-about_info .home-about_describe {
  font-size: 1rem;
  margin: 5.375rem 0;
  text-align: justify;
  line-height: 1.4;
}


/* 首页-服务 */
.home-service {
  font-size: 1.125rem;
  background-size: cover;
  /* background-color: #000000; */
  height: 57.5rem;
  color: #FFF;
}

.home-service-content {
  width: var(--bs-screen-xxl);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 4.375rem 0;
}

.home-service-info {
  position: relative;
}

.home-service-info img {
  position: absolute;
  bottom: -10.3125rem;
  width: 33.25rem;
  display: block;
  transition: transform .2s;
}

.home-service-info img:hover {
  transform: scale(1.2);
}

.home-service-list {
  display: flex;
  flex-wrap: wrap;
  width: 60%;
}

.home-service-item {
  width: 44%;
  border: 1px solid #ffffff8e;
  padding: 0 2rem 3.5rem 2rem;
  margin: 1.5625rem;
  position: relative;
}

.home-service-item p {
  margin-top: 1.125rem;
  line-height: 1.6;
  color: #ffffffa6;
  /* text-align: justify; */
}

.home-service-icon {
  background-color: #e9422e;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 5.75rem;
  height: 5.75rem;
  border-radius: 50%;
  margin-top: -2.625rem;
  margin-bottom: 2.625rem;
}

.home-service-info h1 {
  margin-bottom: 1.75rem;
}

.home-service-icon img {
  width: 3.5rem;
  transition: all .2s;
}

.home-service-item:hover img {
  transform: rotate(45deg);
}

.home-service-item::before {
  content: '';
  display: block;
  width: 105%;
  height: 105%;
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px solid transparent;
  transform: translate(-50%, -50%);
  transition: all .2s;
}

.home-service-item:hover::before {
  border-color: #e9412ece;
}

/* 工具 */
.home-tool {
  position: relative;
  padding: 9.375rem 0 3.75rem;
  font-size: 1.125rem;
}

.home-tool>img {
  position: absolute;
  right: 0;
  top: 0;
  z-index: -1;
}

.home-tool__content {
  width: var(--bs-screen-xxl);
  margin: 0 auto;
}

.home-tool__detail {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.home-tool__detail__left {
  width: 40%;
}

.home-tool__detail p {
  margin: 3.375rem 0 2.625rem 0;
}

.home-tool__detail__left>img {
  width: 48%;
  box-shadow: 0px 0px 0.625rem #0000006e;
  margin-left: 1.5rem;
}

.home-tool__detail p {
  color: #000000a6;
  line-height: 1.4;
}

.home-tool__content-swiper .swiper-slide {
  box-shadow: 0px 0px 0.625rem #0000006e;
  overflow: hidden;
}

.home-tool__content-swiper .swiper-slide img {
  width: 100%;
  display: block;
  transition: all .2s;
}

.home-tool__content-swiper .swiper-slide:hover img {
  transform: scale(1.2);
}

.home-tool__content-swiper {
  width: 100%;
  overflow: hidden;
  padding: 12px;
  margin-top: 4.375rem;
}

.home-tool__navigation {
  display: flex;
  margin-top: 2.625rem;
}

.home-tool__navigation img {
  width: 1rem;
}

.home-tool__navigation--prev {
  margin-right: 2.625rem;
}

.home-tool__navigation--prev,
.home-tool__navigation--next {
  width: 3.75rem;
  height: 3.75rem;
  font-size: 2.25rem;
  border: 1px solid #000000da;
  color: #000000da;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}


/* 新闻 */
.home-news {
  position: relative;
  font-size: 1.125rem;
}

.home-news {
  width: 100%;
  height: 51.5rem;
  background-size: cover;
}

.home-news_show {
  height: 100%;
  width: 56%;
  background-position: top left;
  position: absolute;
  top: 0;
  left: 0;
  background-size: contain;
  background-repeat: no-repeat;
}

.home-news_content {
  position: absolute;
  top: 0;
  height: 100%;
  width: var(--bs-screen-xxl);
  left: 50%;
  transform: translateX(-50%);
  padding-top: 9.375rem;
  color: #FFF;

}

.home-news_intro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}

.home-news_intro-left {
  display: flex;
  align-items: center;
  width: 55%;
}
.home-news_intro-show {
  overflow: hidden;
  width: 100%;
}
.home-news_intro-show > img {
  width: 100%;
  display: block;
  transition: all .2s;
}
.home-news_intro-show > img:hover {
  transform: scale(1.2);
}
.home-news_content h1 {
  margin-bottom: 1.875rem;
}

.home-news_more {
  margin-left: 1.625rem;
}

.home-news_more h1 {
  text-align: center;
}

.home-news_item {
  display: flex;
  color: #FFF;
}

.home-news_item img {
  width: 25%;
  margin-right: 0.75rem;
}

.home-news_item div {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.home-news_item div p:last-child {
  color: #ffffff6b;
}

.home-news_list {
  width: 41.0%;
}

.home-news_list li {
  margin: 1.65rem 0;
}
.home-news_list li:hover div p:first-child {
  color: #e9422e;
}
/* 底部 */
.footer {
  font-size: 1.125rem;
  background-size: cover;
  height: 35.3125rem;
  padding-top: 6.25rem;
}

.footer-content {
  width: var(--bs-screen-xxl);
  margin: 0 auto;
}

.footer-title {
  font-size: 1.5rem;
  color: #474747;
  font-weight: bold;
}

.footer-menu li {
  margin: 0.875rem 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
}

.footer-menus {
  width: 25%;
}

.footer-menu {
  margin-top: 1.125rem;
}

.footer-menu a {
  color: #474747;
}

.footer-menu a:hover {
  color: #e9422e;
}

.footer-links {
  display: flex;
  justify-content: space-between;
  margin-top: 1.75rem;
}

.footer-links a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background-color: #0000002f;
  transition: all .3s;
}
.footer-links a:hover {
  background-color: #e9422e;
  transform: rotate(360deg);
}
.footer-info input {
  height: 3.375rem;
  border: none;
  outline: none;
  background: #FFF;
  width: 100%;
  font-size: 1rem;
  padding: 0 0.375rem;
  margin: 1.5rem 0 0.5rem 0;
}

.footer-info {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
}

.footer-info__content>a {
  text-align: right;
}

.footer-info__content {
  width: 16.875rem;
}

.footer-info .home-btn {
  width: 100%;
}

.footer-info img {
  width: 1.25rem;
}

@media only screen and (max-width: 1400px) {
  .header-menus {
    margin: 0 2rem;
  }
}

@media only screen and (max-width: 1040px) {
  :root {
    --bs-screen-xxl: 90%
  }

  .home-product {
    height: 32rem;
  }

  .home-product_item {
    width: 50%;
  }

  .home-product_item:hover span {
    margin-top: 2.875rem;
  }

  .home-product_item h4 {
    margin: 1.25rem 0 0.75rem 0;
  }
}

@media only screen and (max-width: 640px) {
  .home-product {
    margin-top: -6rem;
  }

  .home-about_img,
  .home-about_info {
    width: 100%;
  }

  .home-product_list {
    width: 100%;
  }

  .home-about_info {
    margin-top: 3rem;
  }

  .home-about_info .home-about_describe {
    margin: 2rem 0;
  }

  .home-service-list,
  .home-service-info,
  .home-news_list,
  .home-news_intro-left,
  .home-tool__detail>img,
  .home-tool__detail__left {

    width: 100%;
  }

  .home-service-list {
    margin-top: 10rem;
  }

  .home-service-info img {
    right: 0;
  }

  .home-service {
    height: 80rem;
  }

  .home-tool__detail>img {
    margin-top: 2rem;
  }

  .home-news_content {
    padding-top: 3.75rem;
  }

  .home-news {
    height: 73.5rem;
  }

  .footer-menus {
    width: 50%;
    margin-bottom: 2rem;
  }

  .footer {
    height: 50rem;
  }

  .footer-info {
    align-items: flex-start;
  }

  .header-con {
    justify-content: space-between;
  }

  .header {
    position: fixed;
    z-index: 10000;
    background-color: #e9422e;
  }

  #header-menu__expand {
    display: block;
    width: 3rem;
  }

  #header-right {
    display: none;
    background-color: #e9422e;
    position: absolute;
    top: 5.625rem;
    left: 0;
    width: 100%;
    padding: 2rem 3rem;
    flex-direction: column-reverse;
  }

  .header-menus {
    flex-direction: column;
    align-items: flex-start;
    margin: 0;
  }

  .header-menus li {
    margin: 0.75rem 0;
  }

  .header-search {
    align-items: flex-start;
    justify-content: flex-start;
    margin-bottom: 1.5rem;
  }

  .header-search input {
    width: calc(100% - 2rem);
  }
  .header-lang {
    width: 10rem;
  }
}