/* ==================== 常用样式 start ==================== */
/* 清除浮动 */
.clearfix {
  display: block;
  zoom: 1;
}
.clearfix:after {
  content: " ";
  display: block;
  font-size: 0;
  height: 0;
  clear: both;
  visibility: hidden;
}
/* 文本溢出省略号 */
/* 1行 */
.ellipsis-text1 {
  display: inline-block;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  max-width: 100%;
}
/* 2行 */
.ellipsis-text2,
.ellipsis-text3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
/* 3行 */
.ellipsis-text3 {
  -webkit-line-clamp: 3;
}
/* 4行 */
.ellipsis-text4 {
  -webkit-line-clamp: 4;
}
/* 文本居中 */
.yd-center {
  text-align: center;
}
/* bootstart ul */
ul {
  margin-bottom: 0;
}
/* 容器大小 */
.yd-box {
  max-width: 83.3333%;
  margin: 0 auto;
  overflow: hidden;
}
/* ==================== 常用样式 end ==================== */
* {
  transition: all 0.4s;
}
*:before,
*:after {
  transition: all 0.4s;
}
/* ==================== 头部 start ==================== */

.mob{display: none;}
.pc{display: block;}
header {
  position: relative;
  z-index: 9;
}
header .yd-box {
  overflow: inherit;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
}
header .logo {
  border-radius: 0 0 15px 15px;
  overflow: hidden;
  width: 280px;
}
header .yd-menu {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header .yd-menu > li {
  flex-grow: 1;
  transition: all 0.2s;
  position: relative;
}
header .yd-menu > li:hover {
  background: #fff;
}
header .yd-menu > li:hover > a {
  color: #b7011a;
}
header .yd-menu > li:hover .yd-sub-menu {
  opacity: 1;
  top: 120%;
  visibility: visible;
}
header .yd-menu > li > a {
  display: block;
  color: #333;
  font-size: 16px;
  padding: 10px 30px;
}
header .yd-menu > li .yd-sub-menu {
  position: absolute;
  top: 140%;
  left: 0;
  background: #fff;
  display: flex;
  flex-flow: column;
  z-index: 9;
  width: 100%;
  border-radius: 5px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.1s;
  padding: 15px 0;
}
header .yd-menu > li .yd-sub-menu:after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  font-size: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-bottom: 10px solid #fff;
  position: absolute;
  top: -10px;
  left: 50%;
  margin-left: -5px;
}
header .yd-menu > li .yd-sub-menu > li {
  position: relative;
  text-align: center;
}
header .yd-menu > li .yd-sub-menu > li > a {
  width: 100%;
  display: block;
  padding: 12px 0;
  font-size: 16px;
}
header .yd-menu > li .yd-sub-menu > li > a:hover {
  background: rgba(0, 0, 0, 0.04);
}
/* ==================== 头部 end ==================== */
/* ==================== 移动端头部 start ==================== */
.mob-nav {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 99999;
  display: flex;
  flex-flow: column;
  align-items: center;
  height: 60px;
  transition: all 0.4s;
}
.mob-nav.active {
  height: 100%;
}
.mob-nav.active .nav-btn {
  width: 20px;
  height: 20px;
}
.mob-nav.active .nav-btn i {
  position: absolute;
  top: 10px;
  left: 0;
}
.mob-nav.active .nav-btn i:first-child ~ i {
  margin: 0;
}
.mob-nav.active .nav-btn i:nth-child(1) {
  display: none;
}
.mob-nav.active .nav-btn i:nth-child(2) {
  transform: rotate(45deg);
}
.mob-nav.active .nav-btn i:nth-child(3) {
  transform: rotate(-45deg);
}
.mob-nav.active .mob-nav-menu {
  opacity: 1;
  margin-top: 0;
  visibility: visible;
}
.mob-nav .mob-nav-head {
  width: 100%;
  height: 60px;
  padding: 0 20px;
  background: #fff;
  flex-shrink: 0;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  position: relative;
}
.mob-nav .mob-nav-head .nav-btn {
  position: absolute;
  right: 20px;
  top: 50%;
  margin-top: -10px;
}
.mob-nav .mob-nav-head .nav-btn i {
  display: block;
  background: #000;
  width: 20px;
  height: 2px;
  transition: all 0.4s;
}
.mob-nav .mob-nav-head .nav-btn i:first-child ~ i {
  margin-top: 5px;
}
.mob-nav .mob-nav-head .nav-logo {
  width: 130px;
  margin: -0.5rem 0 0 0;
}
.mob-nav .mob-nav-head .nav-logo a {
  display: block;
}
.mob-nav .mob-nav-menu {
  width: 100%;
  background: #151515;
  flex-grow: 1;
  padding: 10px 20px;
  overflow: auto;
  transition: all 0.4s;
  opacity: 0;
  visibility: hidden;
  margin-top: 30px;
}
.mob-nav .mob-nav-menu a {
  font-size: 0.875rem;
  color: inherit;
}
.mob-nav .mob-nav-menu > li {
  position: relative;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 16px;
}
.mob-nav .mob-nav-menu > li:last-child {
  border-bottom: 0;
}
.mob-nav .mob-nav-menu > li > a {
  display: block;
  padding: 14px 5px;
  font-size: 0.875rem;
}
.mob-nav .mob-nav-menu > li.active > .mob-sub-menu > li {
  display: block;
}
.mob-nav .mob-nav-menu .mob-sub-menu:after {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  position: absolute;
  right: 20px;
  top: 20px;
  transform: rotate(45deg);
}
.mob-nav .mob-nav-menu .mob-sub-menu > li {
  display: none;
  padding: 0 20px;
}
.mob-nav .mob-nav-menu .mob-sub-menu > li > a {
  display: block;
  padding: 10px 0;
}
/* ==================== 移动端头部 end ==================== */
/* ==================== 轮播图 start ==================== */
.banner {
  position: relative;
}
.banner img{width:100%;}
.banner * {
  transition: all 0.4s;
}
.banner .banner-swiper .swiper-pagination-bullets {
  font-size: 0;
  bottom: 20px;
}
.banner .banner-swiper .swiper-pagination-bullets .swiper-pagination-bullet {
  width: 56px;
  height: 3px;
  opacity: 1;
  background: #fff;
  margin-left: 5px;
  margin-right: 5px;
  border-radius: 0;
}
.banner .banner-swiper .swiper-pagination-bullets .swiper-pagination-bullet-active {
  background: #b7011a;
}
/* ==================== 轮播图 end ==================== */
/* ==================== swiper上一个下一个按钮 start ==================== */
.swiper-btn {
  width: 56px;
  height: 56px;
  background: #f4b820;
  position: absolute;
  top: 50%;
  margin-top: -28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 100%;
  cursor: pointer;
}
.swiper-btn.swiper-button-disabled {
  background: #c1c1c1;
}
.swiper-btn:after {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  border-width: 2px;
  border-top-style: solid;
  border-left-style: solid;
  border-color: #fff;
  transform: rotate(-45deg);
  margin-left: 5px;
}
.swiper-btn.swiper-btn-prev {
  left: -75px;
}
.swiper-btn.swiper-btn-next {
  right: -75px;
  transform: rotateY(180deg);
}
/* ==================== swiper上一个下一个按钮 end ==================== */
/* ==================== 通用标题 start ==================== */
.yd-title h1 {
  font-size: 46px;
  color: #333;
  line-height: 1;
  margin-bottom: 20px;
}
.yd-title h2 {
  font-size: 14px;
  color: #666;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 50px;
  font-weight: 400;
}
/* ==================== 通用标题 end ==================== */
/* ==================== 产品 start ==================== */
.product-swiper {
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.product-swiper .bg-img {
  position: absolute;
  left: 0;
  top: 0;
  background: url(../images/img01.png) no-repeat left bottom;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-size: cover;
  visibility: visible !important;
}
.product-swiper .line {
  display: block;
  position: absolute;
  width: 400px;
  height: 100%;
  background: #b7011a;
  bottom: 0;
  right: 0;
  z-index: 2;
  visibility: visible !important;
}
.product-swiper .water-box {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  pointer-events: none;
  z-index: 9;
}
.product-swiper .water {
  position: absolute;
  background-size: 100% !important;
  z-index: 3;
  animation: ghostUpdown 3s linear infinite alternate;
}
.product-swiper .water01 {
  background: url(../images/img02.png) no-repeat center;
  width: 146px;
  height: 174px;
  left: 0;
  top: 30px;
  animation-duration: 2.5s;
}
.product-swiper .water02 {
  background: url(../images/img03.png) no-repeat center;
  width: 64px;
  height: 65px;
  left: 45%;
  top: 110px;
  animation-duration: 3s;
}
.product-swiper .water03 {
  background: url(../images/img04.png) no-repeat center;
  width: 153px;
  height: 159px;
  left: 45%;
  bottom: 200px;
  animation-duration: 3.5s;
}
@keyframes ghostUpdown {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(100px);
  }
}
.product-swiper > .yd-box {
  width: 100%;
  display: flex;
  flex-flow: column;
  align-items: flex-end;
  position: relative;
  z-index: 3;
  overflow: visible;
}
.product-swiper .product {
  position: relative;
  max-width: 840px;
  background: #fff;
  padding: 60px;
  box-shadow: 0px 8px 23px 1px rgba(70, 5, 14, 0.1);
}
.product-swiper .product .yd-title {
  text-align: right;
}
.product-swiper .product .itembox {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
}
.product-swiper .product .itembox .item {
  width: 48%;
  text-align: center;
  transition: all 0.4s;
}
.product-swiper .product .itembox .item:first-child {
  margin-right: 4%;
}
.product-swiper .product .itembox .item:hover {
  transform: translateY(-10px);
}
.product-swiper .product .itembox .item:hover .name {
  color: #b7011a;
}
.product-swiper .product .itembox .item .image {
  margin-bottom: 25px;
  overflow: hidden;
}
.product-swiper .product .itembox .item .image img {
  transition: all 0.4s;
  width: 100%;
}
.product-swiper .product .itembox .item .name {
  width: 100%;
  font-size: 16px;
  color: #333;
}
/* ==================== 产品 end ==================== */
/* ==================== 公司简介 start ==================== */
.about-swiper {
  display: flex;
  align-items: center;
}
.about-swiper > .yd-box {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: inherit;
}
.about-swiper .image-text {
  transition: all 0.4s;
  padding-right: 90px;
}
.about-swiper .image-text > * {
  transition: all 0.4s;
}
.about-swiper .image-text .en {
  font-size: 140px;
  color: #f5f5f5;
  font-weight: bold;
  line-height: 1;
  margin-bottom: 40px;
}
.about-swiper .image-text .desc {
  font-size: 18px;
  color: #666;
  line-height: 2em;
  text-indent: 2em;
  text-align: justify;
}
.about-swiper .more {
  margin-top: 90px;
  font-size: 0;
}
.about-swiper .more:hover a {
  color: #fff;
  transform: translateX(20px);
}
.about-swiper .more:hover a::after {
  left: 0;
}
.about-swiper .more a {
  padding: 14px 35px;
  border: 1px solid #b7011a;
  border-radius: 5px;
  font-size: 18px;
  line-height: 1;
  display: inline-block;
  vertical-align: middle;
  color: #b7011a;
  overflow: hidden;
  position: relative;
  transition: all 0.4s;
}
.about-swiper .more a span {
  position: relative;
  z-index: 9;
}
.about-swiper .more a:after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  left: -100%;
  top: 0;
  background: #b7011a;
  transition: all 0.4s;
}
.about-swiper .image {
  width: 62.5%;
  flex-shrink: 0;
  overflow: hidden;
}
.about-swiper .image:hover img {
  transform: scale(1.1);
}
.about-swiper .image img {
  width: 100%;
  transition: all 0.4s;
}
/* ==================== 公司简介 end ==================== */
/* ==================== 第四屏 start ==================== */
.yd-slide04 {
  overflow: hidden;
}
.yd-slide04 .itembox {
  display: flex;
  height: 100%;
}
.yd-slide04 .itembox .item {
  display: block;
  flex-grow: 1;
  position: relative;
  overflow: hidden;
  width: auto;
}
.yd-slide04 .itembox .item:hover .image-text {
  top: -100%;
}
.yd-slide04 .itembox .item .image {
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-size: cover;
}
.yd-slide04 .itembox .item .image img {
  width: 100%;
  transition: all 0.4s;
}
.yd-slide04 .itembox .item .image {
  visibility: visible !important;
}
.yd-slide04 .itembox .item .image-text {
  padding: 50px;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  color: #fff;
  transition: all 0.8s;
  display: flex;
  flex-flow: column;
  justify-content: flex-end;
  align-items: flex-start;
}
.yd-slide04 .itembox .item .image-text h1 {
  font-size: 38px;
  line-height: 1;
  font-weight: bold;
}
.yd-slide04 .itembox .item .image-text h1:first-child {
  margin-bottom: 20px;
}
.yd-slide04 .itembox .item .image-text h2 {
  font-size: 14px;
  color: #c1c1c1;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.2px;
  margin-top: 25px;
  margin-bottom: 60px;
  font-weight: 400;
}
.yd-slide04 .itembox .item .image-text .more {
  display: inline-block;
  padding-bottom: 5px;
  border-bottom: 1px solid #fff;
  font-size: 14px;
  line-height: 1;
}
/* ==================== 第四屏 end ==================== */
/* ==================== 新闻资讯 start ==================== */
.news-slide {
  display: flex;
  align-items: center;
  position: relative;
}
.news-slide .bg-image {
  background: url(../images/img12.png) no-repeat bottom;
  background-size: cover;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.news-slide > .yd-box {
  position: relative;
  z-index: 2;
  width: 100%;
}
.news-slide > .yd-box .yd-title {
  text-align: right;
}
.news-slide .itembox .item {
  width: 100%;
  max-width: 950px;
  display: block;
  margin-right: 0;
  margin-left: auto;
  padding: 40px 50px;
  background: #fff;
  box-shadow: 0px 3px 24px 0px rgba(0, 0, 0, 0.1);
  font-size: 0;
  transition: all 0.4s;
}
.news-slide .itembox .item:hover {
  transform: translateX(-20px);
}
.news-slide .itembox .item:hover .news-head h1,
.news-slide .itembox .item:hover .news-head h2 {
  color: #b7011a;
}
.news-slide .itembox .item:first-child ~ .item {
  margin-top: 50px;
}
.news-slide .itembox .item .news-head {
  min-width: 0;
  display: flex;
  align-items: center;
  width: 100%;
  border-bottom: 1px solid #e6e6e6;
  margin-bottom: 20px;
  padding-bottom: 20px;
  transition: all 0.2s;
}
.news-slide .itembox .item .news-head h1 {
  flex-grow: 1;
  font-size: 20px;
  line-height: 1;
  padding-right: 20px;
  font-weight: 400;
}
.news-slide .itembox .item .news-head h2 {
  flex-shrink: 0;
  font-size: 14px;
  color: #666;
  font-weight: 400;
}
.news-slide .itembox .item .desc {
  font-size: 16px;
  line-height: 1.8em;
  color: #666;
  height: 3.8em;
}
/* ==================== 新闻资讯 end ==================== */
/* ==================== 最后一屏 start ==================== */
.yd-slide05 {
  background: #b7011a;
  display: flex;
  align-items: center;
}
/* ==================== 最后一屏 end ==================== */
/* ==================== 底部 start ==================== */
footer {
  position: relative;
  width: 100%;
  background: #b7011a;
  padding: 50px 0 40px;
  color: #fff;
}
footer::before,
footer::after {
  content: "";
  display: block;
  background: url(../images/img13.png) no-repeat center;
  width: 252px;
  height: 227px;
  background-size: 100%;
  position: absolute;
}
footer::before {
  top: 30px;
  left: 0;
}
footer::after {
  right: 0;
  bottom: 0;
  transform: rotateY(180deg);
}
footer .yd-box {
  max-width: 1300px;
  position: relative;
  z-index: 2;
}
footer ul {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-bottom: 30px;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  margin-bottom: 30px;
}
footer ul li a {
  padding: 0 50px;
  color: #fff;
  font-size: 16px;
}
footer .bottom {
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: flex-start;
}
footer .bottom .logo {
  width: 250px;
  margin: 0 auto 40px;
}
footer .bottom .address {
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}
footer .bottom .address p {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
}
footer .bottom .address p:before {
  content: "";
  display: block;
  background: url(../images/img14.png) no-repeat center;
  width: 20px;
  height: 20px;
  background-size: 100%;
  margin-right: 10px;
}
footer .bottom .address p:first-child ~ p {
  margin-left: 50px;
}
footer .bottom .address p:nth-child(2):before {
  background-image: url(../images/img15.png);
}
footer .bottom .address p:nth-child(3):before {
  background-image: url(../images/img16.png);
}
footer .bottom .copyright {
  font-size: 14px;
  color: #fff;
  line-height: 1;
}
footer .bottom .copyright a {
  color: #fff;
}
/* ==================== 底部 end ==================== */
/* ==================== 关于我们 start ==================== */
.yd-about .about {
  padding: 100px 0;
}
.yd-about .about .item {
  display: flex;
  align-items: center;
}
.yd-about .about .item:nth-child(1) ~ .item {
  margin-top: 60px;
}
.yd-about .about .item:nth-child(2n-1) .text-info {
  padding-right: 0;
  flex: 1;
}
.yd-about .about .item:nth-child(2n) .image {
  order: -2;
}
.yd-about .about .item:nth-child(2n) .text-info {
  padding-left: 50px;
}
.yd-about .about .item .text-info h1 {
  display: none;
  font-size: 42px;
  line-height: 1;
  margin-bottom: 15px;
}
.yd-about .about .item .text-info h2 {
  font-size: 28px;
  line-height: 1;
  font-weight: 400;
  margin-bottom: 10%;
  text-transform: uppercase;
}
.yd-about .about .item .text-info h2:after {
  content: "";
  display: block;
  width: 100px;
  height: 1px;
  background: #ddd;
  margin-top: 30px;
}
.yd-about .about .item .text-info .text {
  font-size: 16px;
  color: #666;
  line-height: 2em;
}
.yd-about .about .item .image {
  min-width: 500px;    flex: 1;
}
/* ==================== 关于我们 end ==================== */
/* ==================== 产品中心 start ==================== */
.yd-product .product {
  padding: 60px 0;
}
.yd-product .product .yd-title {
  text-align: center;
  padding: 30px 0;
}
.yd-product .product > .yd-box {
  display: flex;
  flex-wrap: wrap;
  overflow: visible;
}
.yd-product .product .item {
  display: block;
  width: 32%;
  transition: all 0.4s;
}
.yd-product .product .item:nth-child(3) ~ .item {
  margin-top: 2%;
}
.yd-product .product .item:hover {
  box-shadow: 3px 2px 13px 0px rgba(0, 0, 0, 0.25);
}
.yd-product .product .item:hover .image img {
  transform: scale(1.1);
}
.yd-product .product .item:nth-child(3n-1) {
  margin-left: 2%;
  margin-right: 2%;
}
.yd-product .product .item .image {
  width: 100%;
  overflow: hidden;
  margin-bottom: 20px;
}
.yd-product .product .item .image img {
  width: 100%;
  transition: all 0.4s;
}
.yd-product .product .item .name {
  font-size: 18px;
  line-height: 1;
  text-align: center;
  width: 100%;
  padding: 10px 20px;
}
@media screen and (max-width: 751px) {
  .yd-product .product {
    padding: 0;
    padding-top: 30px;
  }
  .yd-product .product .yd-title {
    padding: 30px 0 0;
  }
  .yd-product .yd-title h2 {
    margin-bottom: 0;
  }
  .yd-product .product > .yd-box {
    justify-content: space-between;
  }
  .yd-product .product .item {
    width: 48%;
  }
  .yd-product .product .item:nth-child(3n-1) {
    margin: 0;
  }
  .yd-product .product .item:nth-child(2) ~ .item {
    margin-top: 20px;
  }
  .yd-product .product .item .image {
    margin-bottom: 0!important;
  }
  .yd-product .product .item .name {
    font-size: 14px!important;
  }
  .yd-product .product .item:nth-child(2) ~ .item {
    margin-top: 10px;
  }
}
/* ==================== 产品中心 end ==================== */
/* ==================== 产品详情 start ==================== */
.yd-product-desc .product-desc {
  padding-top: 100px;
  padding-bottom: 100px;
  background: #f5f5f5;
}
.yd-product-desc .product-desc .product-image {
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
}
.yd-product-desc .product-desc .image {
  flex-shrink: 0;
  max-width: 600px;
  width: 100%;
}
.yd-product-desc .product-desc .image img {
  width: 100%;
}
.yd-product-desc .product-desc .right {
  padding-left: 45px;    flex: 1;
}
.yd-product-desc .product-desc .right .title {
  font-size: 28px;
  color: #333;
  border-bottom: 1px solid #dadada;
  padding-bottom: 20px;
}
.yd-product-desc .product-desc .right .desc h2 {
  font-size: 16px;
  color: #333;
  margin-top: 30px;
}
.yd-product-desc .product-desc .right .desc p {
  font-size: 16px;
  color: #666;
  line-height: 1.8em;
}
@media screen and (max-width: 751px) {
  .yd-product-desc .product-desc {
    padding: 0;
  }
  .yd-product-desc .product-desc .product-image {
    flex-flow: column;
    margin-bottom: 30px;
  }
  .yd-product-desc .product-desc .image {
    margin-bottom: 20px;
  }
  .yd-product-desc .product-desc .right {
    padding: 0;
  }
  .yd-product-desc .product-desc .right .title {
    font-size: 20px;
    padding-bottom: 15px;
  }
  .yd-product-desc .product-desc .right .desc h2 {
    margin-top: 20px;
  }
}
/* ==================== 产品详情 end ==================== */
/* ==================== 新闻中心 start ==================== */
.yd-news .news {
  padding: 60px 0;
}
.yd-news .news .yd-title {
  text-align: center;
  padding-bottom: 30px;
}
.yd-news .news > .yd-box {
  display: flex;
  flex-wrap: wrap;
  overflow: visible;
}
.yd-news .news .item {
  display: block;
  width: 32%;
  border: 1px solid #eee;
  transition: all 0.4s;
}
.yd-news .news .item:nth-child(3) ~ .item {
  margin-top: 2%;
}
.yd-news .news .item:hover {
  box-shadow: 3px 2px 13px 0px rgba(0, 0, 0, 0.25);
}
.yd-news .news .item:hover .image img {
  transform: scale(1.1);
}
.yd-news .news .item:nth-child(3n-1) {
  margin-left: 2%;
  margin-right: 2%;
}
.yd-news .news .item .image {
  width: 100%;
  overflow: hidden;
}
.yd-news .news .item .image img {
  width: 100%;
  transition: all 0.4s;
}
.yd-news .news .item .info {
  padding: 25px 20px;
  text-align: left;
}
.yd-news .news .item .info .time {
  font-size: 14px;
  margin-top: 10px;
  line-height: 1;color:#999;
}
.yd-news .news .item .info .dsc {
  font-size: 14px;
  margin-top: 10px;
  line-height: 1.5;color:#666;
}
.yd-news .news .item .info .name {
  font-size: 18px;
  line-height: 1;
  width: 100%;
}
@media screen and (max-width: 751px) {
  .yd-news .yd-title {
    padding: 30px 0 0;
  }
  .yd-news .yd-title h2 {
    margin-bottom: 0;
  }
  .yd-news .news {
    padding: 0;
  }
  .yd-news .news > .yd-box {
    padding-top: 0;
    justify-content: space-between;
  }
  .yd-news .news .item {
    width: 48%;
  }
  .yd-news .news .item:nth-child(3n-1) {
    margin: 0;
  }
  .yd-news .news .item:nth-child(2) ~ .item {
    margin-top: 20px;
  }
  .yd-news .news .item .info {
    padding: 10px;
  }
  .yd-news .news .item .info .time {
    font-size: 12px;
    margin-bottom: 5px;
  }
  .yd-news .news .item .info .name {
    font-size: 14px;
  }
}
/* ==================== 新闻中心 end ==================== */
/* ==================== 新闻详情 start ==================== */
.yd-news-desc .news-desc {
  padding: 45px 25px;
  margin-top: 35px;
  background: #f9f9f9;
  margin-bottom: 35px;
}
.yd-news-desc .news-desc .title {
  font-size: 28px;
  color: #333;
  padding-bottom: 20px;
}
.yd-news-desc .news-desc .info {
  font-size: 0;
  padding-bottom: 20px;
  border-bottom: 1px solid #d5d5d5;
  margin-bottom: 20px;
}
.yd-news-desc .news-desc .info .text {
  font-size: 16px;
  color: #999;
  display: inline-block;
  margin-right: 20px;
  border-left: 1px solid #ccc;
  padding-left: 20px;
}
.yd-news-desc .news-desc .info .tip + .text {
  border-left: 0;
}
.yd-news-desc .news-desc .info .tip {
  border: 1px solid #999;
  border-radius: 100px;
  padding: 5px 10px;
  line-height: 1;
  font-size: 14px;
  display: inline-block;
  color: #999;
}
.yd-news-desc .news-desc .article img {
  display: block;
  margin: 0 auto;
}
.yd-news-desc .news-desc .article {
  line-height: 1.8em;
}
@media screen and (max-width: 751px) {
  .yd-news-desc .news-desc {
    margin: 0;
    padding: 15px;
  }
  .yd-news-desc .news-desc .title {
    font-size: 22px;
  }
  .yd-news-desc .news-desc .info {
    padding-bottom: 15px;
    margin-bottom: 15px;
  }
  .yd-news-desc .news-desc .info .tip {
    font-size: 12px;
    padding: 4px 10px;
    margin-bottom: 5px;
  }
  .yd-news-desc .news-desc .info .text {
    margin-right: 10px;
    padding-left: 10px;
    font-size: 14px;
    display: inline;
  }
}
/* ==================== 新闻详情 end ==================== */
/* ==================== 联系我们 start ==================== */
.contact {
  padding: 100px 0;
}
.contact .top {
  width: 100%;
  display: flex;
  align-items: center;
}
.contact .top:nth-child(2n-1) .text-info {
  padding-right: 50px;
}
.contact .top:nth-child(2n) .image {
  order: -2;
}
.contact .top:nth-child(2n) .text-info {
  padding-left: 50px;
}
.contact .top .text-info {
  flex-grow: 1;
  flex-shrink: 0;
}
.contact .top .text-info h1 {
  font-size: 42px;
  line-height: 1;
  margin-bottom: 15px;
}
.contact .top .text-info h2 {
  font-size: 28px;
  line-height: 1;
  font-weight: 400;
  margin-bottom: 10%;
  text-transform: uppercase;
}
.contact .top .text-info h2:after {
  content: "";
  display: block;
  width: 100px;
  height: 1px;
  background: #ddd;
  margin-top: 30px;
}
.contact .top .text-info .text {
  font-size: 16px;
  color: #333;
  line-height: 2em;
}
.contact .top .image {
  max-width: 800px;
}
.contact .bottom {
  border-top: 1px solid #ddd;
  padding-top: 60px;
  margin-top: 60px;
}
.contact .bottom form {
  display: flex;
  flex-flow: column;
  align-items: center;
}
.contact .bottom form label {
  position: relative;
  border-bottom: 1px solid #ddd;
}
.contact .bottom form label::after {
  content: "";
  display: block;
  bottom: -1px;
  left: 0;
  width: 100px;
  height: 1px;
  background: #b7011a;
  position: absolute;
}
.contact .bottom form label:first-child ~ label {
  margin-top: 40px;
}
.contact .bottom form input {
  width: 700px;
  border: 0;
  padding: 12px 5px;
  font-size: 14px;
}
.contact .bottom form button {
  padding: 15px 40px;
  border-radius: 0;
  border: 0;
  font-size: 14px;
  margin-top: 40px;
  background: #333;
  color: #fff;
}

.Pagination{width: 100%;height: auto;text-align: center;margin-top: 15px; margin-bottom: 70px;}
.Pagination a{display: inline-block;padding: 5px 10px;border: 1px solid #CCCCCC;}
.Pagination .current{color: white;}
.Pagination .current{background: #b7011a;border-color: #b7011a;}
.Pagination a{color: #666666;font-size: 12px;}

.oth .pc-nav{    position: fixed;
    width: 100%;
    background: rgba(255,255,255,.98);
    box-shadow: 1px 1px 1px rgb(51,51,51,.1);top:0;
    z-index: 9;}
.yd-container.oth{padding-top:106px}

@media screen and (max-width: 751px) {
.yd-container{padding-top:0}

  .contact {
    padding: 0;
  }
  .contact .top {
    flex-flow: column;
  }
  .contact .top .text-info h1 {
    font-size: 22px;
    margin-bottom: 10px;
    text-align: center;
  }
  .contact .top .text-info h2 {
    font-size: 16px;
    text-align: center;
    margin-bottom: 20px;
  }
  .contact .top .text-info h2:after {
    width: 50px;
    margin: 15px auto 0;
  }
  .contact .top:nth-child(2n-1) .text-info {
    padding: 0;
  }
  .contact .top .image {
    width: 100%;
    min-width: auto;
    margin-top: 20px;
    margin-bottom: 50px;
    margin-bottom: 0;
  }
  .contact .bottom {
    padding-top: 20px;
    margin-top: 20px;
  }
  .contact .bottom form label {
    width: 100%;
  }
  .contact .bottom form input {
    width: 100%;
  }
  .contact .bottom form label:first-child ~ label {
    margin-top: 10px;
  }
  .contact .bottom form input {
    padding: 10px 5px;
  }
  .contact .bottom form button {
    margin-top: 30px;
    padding: 8px 20px;
  }
  .contact .bottom form label::after {
    width: 80px;
  }
}
/* ==================== 联系我们 end ==================== */
@media screen and (max-width: 1680px) {
  .yd-box {
    max-width: 1480px;
  }
  .yd-title h1 {
    font-size: 30px;
  }
  .yd-title h2 {
    margin-bottom: 40px;
  }
  .product-swiper .product {
    padding: 50px;
  }
  .about-swiper .image-text .en {
    font-size: 100px;
    margin-bottom: 20px;
  }
  .yd-title h2 {
    margin-bottom: 30px;
  }
}
@media screen and (max-width: 1600px) {
  .yd-box {
    max-width: 1400px;
  }
  .about-swiper .image-text .desc {
    font-size: 16px;
  }
  .about-swiper .more {
    margin-top: 70px;
  }
  .about-swiper .more a {
    font-size: 16px;
  }
  .about-swiper .image {
    max-width: 57%;
  }
  .yd-slide04 .itembox .item .image-text h1 {
    font-size: 28px;
  }
  .yd-slide04 .itembox .item .image-text h2 {
    margin-bottom: 40px;
  }
  .news-slide .itembox .item {
    max-width: 700px;
  }
  .news-slide .itembox .item {
    padding: 30px 40px;
  }
  footer::before,
  footer::after {
    width: 140px;
    height: 126px;
  }
  .yd-product .product .yd-title {
    padding: 0;
  }
}
@media screen and (max-width: 1440px) {
  .yd-box {
    max-width: 1320px;
  }
  .product-swiper .product {
    max-width: 700px;
    padding: 40px;
  }
}
@media screen and (max-width: 1400px) {
  .yd-box {
    max-width: 1300px;
  }
  .yd-about .about .item .text-info h1 {
    font-size: 36px;
  }
  .yd-about .about .item .text-info h2 {
    font-size: 24px;
    margin-bottom: 30px;
  }
  .yd-about .about .item .text-info .text {
    font-size: 15px;
  }
  .yd-product .product .item .image {
    margin-bottom: 10px;
  }
}
@media screen and (max-width: 1366px) {
  .yd-box {
    max-width: 1266px;
  }
  .yd-slide04 .itembox .item .image-text h1 {
    font-size: 24px;
  }
  .yd-slide04 .itembox .item .image-text h1:first-child {
    margin-bottom: 10px;
  }
  .yd-slide04 .itembox .item .image-text h2 {
    font-size: 12px;
    margin-top: 20px;
    margin-bottom: 35px;
  }
  .product-swiper .line {
    width: 350px;
  }
  header .yd-menu > li > a {
    font-size: 14px;
  }
}
@media screen and (max-width: 1360px) {
  .yd-box {
    max-width: 1260px;
  }
}
@media screen and (max-width: 1280px) {
  .yd-box {
    max-width: 1180px;
  }
}
@media screen and (max-width: 1200px) {
  .yd-box {
    max-width: 1100px;
  }
  .yd-product .product .item .name {
    font-size: 16px;
  }
}
@media screen and (max-width: 751px) {
.yd-container.oth{padding-top:0}
  body {
    padding-top: 60px;
  }
  #index-swiper > .swiper-wrapper {
    height: auto;
    display: flex;
    flex-flow: column;
  }
  .yd-box {
    padding: 30px 20px;
  }
  .m-none,
  .pc-nav {
    display: none !important;
  }
  .banner-image {
    background: none !important;
  }
  .yd-slide04 .item .image {
    background: none;
  }
  .product-swiper .product .yd-title {
    text-align: center;
  }
  .yd-title {
    text-align: center;
  }
  .yd-title h1 {
    font-size: 22px;
    margin-bottom: 10px;
  }
  .yd-title h2 {
    font-size: 12px;
    line-height: 1.4em;
    margin-bottom: 25px;
  }
  .product-swiper .bg-img,
  .product-swiper .line {
    display: none;
  }
  .product-swiper > .yd-box {
    padding: 15px;
  }
  .product-swiper .product {
    width: 100%;
    padding: 30px 20px;
  }
  .product-swiper .water-box {
    display: none;
  }
  .product-swiper .product .itembox .item:hover {
    transform: translateY(0px);
  }
  .product-swiper .product .itembox .item .image {
    margin-bottom: 10px;
  }
  .product-swiper .product .itembox .item .name {
    font-size: 12px;
  }
  .about-swiper .image-text .en {
    font-size: 30px;
    display: none;
  }
  .about-swiper > .yd-box {
    flex-flow: column;
  }
  .about-swiper .image-text {
    padding-right: 0;
  }
  .about-swiper .image-text .desc {
    font-size: 14px;
    line-height: 1.8em;
    margin-bottom: 20px;
  }
  .about-swiper .more {
    text-align: center;
    margin-top: 20px;
  }
  .about-swiper .more a {
    font-size: 12px;
    padding: 8px 20px;
  }
  .about-swiper .image {
    max-width: 100%;
    width: 100%;
  }
  .about-swiper .more:hover a {
    transform: translateX(0);
  }
  .yd-slide04 .itembox .item .image-text {
    padding: 0;
    pointer-events: none;
  }
  .yd-slide04 .itembox .item .image-text h1 {
    font-size: 14px;
    margin: 0;
    line-height: 1.4em;
    display: inline;
  }
  .yd-slide04 .itembox .item .image-text h1:first-child {
    margin-bottom: 0;
  }
  .yd-slide04 .itembox .item .image-text h2 {
    margin: 5px 0;
  }
  .yd-slide04 .itembox .item .image-text .more {
    font-size: 12px;
    margin-top: 15px;
  }
  .yd-slide04 .itembox .item {
    width: 100%;
  }
  .yd-slide04 .itembox .item .image-text {
    padding: 15px;
  }
  .yd-slide04 .itembox .item:hover .image-text {
    top: 0;
  }
  .news-slide {
    margin-top: 20px;
  }
  .news-slide > .yd-box .yd-title {
    text-align: center;
  }
  .news-slide .itembox .item {
    padding: 20px 15px 10px;
  }
  .news-slide .itembox .item .news-head {
    padding-bottom: 10px;
    margin-bottom: 10px;
  }
  .news-slide .itembox .item .news-head h1 {
    font-size: 16px;
  }
  .news-slide .itembox .item .desc {
    font-size: 12px;
    height: 3.8em;
  }
  .news-slide .itembox .item:first-child ~ .item {
    margin-top: 20px;
  }
  .news-slide .bg-image {
    background-position: right center;
  }
  .yd-slide05 {
    padding: 0;
  }
  footer {
    padding: 0;
  }
  footer ul {
    display: none;
  }
  footer .bottom .logo {
    width: 180px;
    margin-bottom: 20px;
  }
  footer::before {
    top: 10px;
  }
  footer::before,
  footer::after {
    width: 80px;
    height: 100px;
  }
  footer .yd-box {
    padding-top: 20px;
  }
  footer .bottom .address {
    flex-flow: column;
    line-height: 2em;
    align-items: flex-start;
  }
  footer .bottom .address p:first-child ~ p {
    margin-left: 0;
  }
  footer .bottom .address p {
    align-items: flex-start;
    justify-content: flex-start;
    font-size: 14px;
  }
  footer .bottom .address p:before {
    margin-top: 8px;
  }
  footer .bottom .address {
    margin-bottom: 15px;
  }
  footer .bottom .copyright {
    line-height: 1.8em;
    text-align: center;
    font-size: 12px;
  }
  .yd-about .about {
    padding: 0;
  }
  .yd-about .about .item {
    flex-flow: column;
  }
  .yd-about .about .item .text-info h1 {
    font-size: 22px;
    margin-bottom: 10px;
    text-align: center;
  }
  .yd-about .about .item .text-info h2 {
    font-size: 16px;
    text-align: center;
    margin-bottom: 20px;
  }
  .yd-about .about .item .text-info h2:after {
    width: 50px;
    margin: 15px auto 0;
  }
  .yd-about .about .item:nth-child(2n-1) .text-info {
    padding: 0;
  }
  .yd-about .about .item .image {
    width: 100%;
    min-width: auto;
    margin-top: 20px;
    margin-bottom: 50px;
    margin-bottom: 0;
  }
  .yd-about .about .item:nth-child(1) ~ .item {
    margin: auto;
    margin-top: 30px;
  }
  .yd-about .about .item:nth-child(2n) .image {
    order: inherit;
  }
  .yd-about .about .item:nth-child(2n) .text-info {
    padding: 0;
  }
  .mob {
        display: block;
    }

    .pc {
        display: none;
    }
}



.banner .banner-swiper .bannerBtn .swiper-button-prev {
    position: absolute;
    text-align: center;
    left: 8%;
    bottom: 4.3rem;
    width: 3rem;
    height: 3rem;
    line-height: 3rem;
    background: transparent;
     border: 1px solid #fff;
    border-radius: 25%;
    z-index: 20;
    transition: 0.35s ease-in-out;
 top:initial;outline: none;
}
.banner .banner-swiper .bannerBtn .swiper-button-prev::after{    font-size: 1rem;
    color: #fff;
    transition: 0.35s ease-in-out;}

.banner .banner-swiper .bannerBtn .swiper-button-prev:hover {
     background: #b7011a;
    border: 1px solid #b7011a;
    transition: 0.35s ease-in-out;
}

.banner .banner-swiper .bannerBtn .swiper-button-prev:active {
     background: #b7011a;
    border: 1px solid #b7011a;
    transition: 0.35s ease-in-out;
}




.banner .banner-swiper .bannerBtn .swiper-button-next {
    position: absolute;
    text-align: center;
    left: calc(8% + 60px);
    bottom: 4.3rem;
    width: 3rem;
    height: 3rem;
    line-height: 3rem;
    background: transparent;
    border: 1px solid #fff;
    border-radius: 25%;
    z-index: 20;
    transition: 0.35s ease-in-out;
      outline: none; top:initial;
}
.banner .banner-swiper .bannerBtn .swiper-button-next::after{    font-size: 1rem;
    color: #fff;
    transition: 0.35s ease-in-out;}

.banner .banner-swiper .bannerBtn .swiper-button-next:hover {
     background: #b7011a;
    border: 1px solid #b7011a;
    transition: 0.35s ease-in-out;
}

.banner .banner-swiper .bannerBtn .swiper-button-next:active {
    background: #b7011a;
    border: 1px solid #b7011a;
    transition: 0.35s ease-in-out;
}



.banner .banner-swiper .swiper-pagination {
    display: block;
    text-align: right;
    position: absolute;
    right: 8%;
    bottom: 4.3rem;
    width: auto;
    height: auto;
    background: transparent;
    z-index: 100;
}

.banner .banner-swiper .swiper-pagination .swiper-pagination-bullet {
    display: inline-block;
    position: relative;
    width: 0.75rem;
    height: 0.75rem;
    margin: 0 2px;
     outline: none; 
    border-radius: 100%;
    transition: 0.35s ease-in-out;
    opacity: 0.8;
}

.banner .banner-swiper .swiper-pagination .swiper-pagination-bullet-active {
    width: 2.5rem;
    
    border-radius: 1rem;
    transition: 0.35s ease-in-out;
    opacity: 1;
}














@media screen and (min-width: 751px) {
  body,
  html,
  .yd-container,
  .yd-main,
  #index-swiper,
  .banner,
  .banner-swiper,
  .banner-swiper .swiper-slide {
    height: 100%;
    width: 100%;
  }
  .banner-image {
    display: block;
    width: 100%;
    height: 100%;    background-position: center;
    background-size: cover;
  }
  .banner-image img {
    display: none;
  }
   .yd-main header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
  }
  .yd-main header .yd-menu > li:hover > a {
    color: #b7011a;
  }
 .yd-main header .yd-menu > li > a {
    color: #fff;
  }

   #index-swiper> .swiper-wrapper > .swiper-slide:last-child {
    height: 355px;
  }
  .yd-slide04 .item .image img {
    display: none;
  }
  .pc-none,
  .mob-nav,
  .pc-none {
    display: none !important;
  }


}



.nc_cate .yd-box{ line-height:65px;border-bottom: 1px solid rgba(227,227,227,0.35);    display: flex;
    align-items: center;}
.nc_cate .left{float:left;width:50%}
.nc_cate .right {width:50%;/* float:right; */display:flex;justify-content: flex-end;}
.nc_cate .right a{text-align: center;width: calc((100% - 3rem)/3);margin: 0 1rem 0 0;font-size: 0.875rem;line-height: 2rem;border: 1px solid #e3e3e3;border-radius: 0.5rem;}
.nc_cate .right a:hover,.nc_cate .right a.active{
    color: #fff;
    background: #b7011a;
    border: 1px solid #b7011a;
    transition: 0.35s ease-in-out;
    }    








@media screen and (max-width: 751px) {
	.banner .banner-swiper .swiper-pagination{right:5%;bottom: 2.3rem;}

.banner .banner-swiper .bannerBtn .swiper-button-prev{left:2%;bottom: 1.3rem;    border: none;     z-index: 9999;  }
.banner .banner-swiper .bannerBtn .swiper-button-next{left: calc(5% + 25px);bottom: 1.3rem; border: none;        z-index: 9999; }

.banner .banner-swiper .bannerBtn .swiper-button-prev:hover{ border: none;    background: none;}
.banner .banner-swiper .bannerBtn .swiper-button-next:hover{ border: none;    background: none;}

.banner .banner-swiper .bannerBtn .swiper-button-prev:active{ border: none;    background: none;}
.banner .banner-swiper .bannerBtn .swiper-button-next:active{  border: none;    background: none;}

.banner .banner-swiper .bannerBtn .swiper-button-prev::after{ font-size: 1.25rem;}
.banner .banner-swiper .bannerBtn .swiper-button-next::after{ font-size: 1.25rem;}
	
	
.nc_cate .left{width:100%; font-size:14px;}
.nc_cate .yd-box{line-height: 1.7;padding: 1rem 20px 0.5rem;    display: block;}
.nc_cate .right{display: inline-flex;width: calc(100% + 1rem);margin: 0.75rem auto 1rem;font-size:15px;flex-wrap: wrap;justify-content: center;}


}