.product {
  position: relative;
  background-color: #f2f2f2;
}
@media screen and (min-width: 1201px) {
  .product .nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    margin-top: -60px;
    position: relative;
    top: -80px;
    -webkit-box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1);
            box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.1);
  }
  .product .nav a {
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    text-align: center;
  }
  .product .nav a .img {
    height: 60px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    margin-bottom: 20px;
  }
  .product .nav a span {
    display: block;
  }
  .product .nav a + a {
    border-left: 1px solid #e2e2e2;
  }
  .product .box-content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
  }
  .product .left-nav {
    width: 340px;
    -ms-flex-negative: 0;
        flex-shrink: 0;
  }
  .product .left-nav-title {
    height: 100px;
    padding-left: 60px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    background-color: #0166e0;
    color: white;
    font-size: 30px;
    font-weight: bold;
  }
  .product .left-nav-title img {
    height: 40px;
    margin-right: 20px;
  }
  .product .left-nav-item + .left-nav-item .left-nav-name {
    border-top: 1px solid #f2f2f2;
  }
  .product .left-nav-name {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    height: 80px;
    font-size: 24px;
    padding-left: 30px;
    padding-right: 12px;
    background-color: white;
    border-bottom: 1px solid #0166e0;
    cursor: pointer;
  }
  .product .left-nav-name i {
    margin-left: auto;
    color: #0166e0;
  }
  .product .left-nav-box {
    background-color: white;
  }
  .product .left-nav-box div {
    display: none;
    background-color: #F5F5F5;
  }
  .product .left-nav-box a {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    height: 65px;
    padding: 0 30px;
  }
  .product .left-nav-box a + a {
    border-top: 1px solid #f2f2f2;
  }
}
.product-list {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  margin-left: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.product-item {
  cursor: pointer;
}
.product-item .img {
  width: 310px;
  height: 260px;
  background-color: white;
  text-align: center;
}
.product-item .img img {
  width: 310px;
  height: 260px;
  background-color: white;
  text-align: center;
}
.product-item:hover img {
  -webkit-transform: scale(1.2);
          transform: scale(1.2);
}
.product-item:hover .product-title::before {
  bottom: 0;
}
.product-title {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  height: 60px;
  position: relative;
  z-index: 1;
}
.product-title::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 100%;
  background-color: white;
  -webkit-transition: bottom 0.3s;
  transition: bottom 0.3s;
  z-index: -1;
}
@media screen and (max-width: 1200px) {
  .product {
    padding: 10px 0;
  }
  .product .nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-radius: 10px;
    margin: 10px;
    overflow: hidden;
    text-align: center;
    margin-bottom: 20px;
  }
  .product .nav a {
    padding: 10px;
    background-color: white;
  }
  .product .nav a .img {
    height: 40px;
    padding: 5px;
  }
  .product .nav a .img img {
    height: 100%;
  }
  .product .left-nav-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
  }
  .product .left-nav-item {
    text-align: center;
    background-color: white;
    padding: 12px 20px;
  }
  .product .left-nav-box {
    position: fixed;
    left: 0;
    right: 0;
    top: 50px;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 3;
    display: none;
    padding-bottom: 50%;
    overflow: auto;
  }
  .product .left-nav-box.active {
    display: block;
  }
  .product .left-nav-box a {
    display: block;
    padding: 15px 0;
  }
  .product .left-nav-box > a {
    background-color: white;
    border-top: 1px solid #ddd;
  }
  .product .left-nav-box div {
    display: none;
    background-color: #F5F5F5;
  }
  .product .left-nav-box div > a {
    background-color: transparent;
  }
  .product-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-left: 0;
    margin-top: 10px;
  }
  .product-item .img {
    height: auto;
  }
  .product-item img {
    width: 100%;
  }
  .product-title {
    height: 30px;
  }
}
.ys {
  background: url(../images/index/bg_02.png);
  background-size: cover;
}
.ys .box-title {
  color: white;
}
.ys .box-title::after {
  background-color: #50c7f3;
}
.ys .box-content {
  border-top: 1px solid white;
  padding-top: 20px;
}
.ys .box-content .main {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}
.ys-item {
  background-color: white;
  padding: 80px 30px 0;
  position: relative;
  z-index: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  cursor: pointer;
}
.ys-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: -webkit-gradient(linear, left top, left bottom, from(#53a1d3), to(#015eea));
  background: -webkit-linear-gradient(top, #53a1d3, #015eea);
  background: linear-gradient(to bottom, #53a1d3, #015eea);
  opacity: 0;
  z-index: -1;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.ys-item.active::before,
.ys-item:hover::before {
  opacity: 1;
}
.ys-item.active .ys-img,
.ys-item:hover .ys-img {
  background-color: white;
}
.ys-item.active .ys-img img,
.ys-item:hover .ys-img img {
  -webkit-filter: none;
          filter: none;
}
.ys-item.active .ys-title,
.ys-item:hover .ys-title,
.ys-item.active .ys-desc,
.ys-item:hover .ys-desc {
  color: white;
}
.ys-item.active .ys-link,
.ys-item:hover .ys-link {
  color: white;
  background-color: #f09c38;
}
.ys-item.active .ys-link::after,
.ys-item:hover .ys-link::after {
  opacity: 0;
}
.ys-item.active .ys-node,
.ys-item:hover .ys-node {
  background-color: #4c90bb;
  border: none;
}
.ys-item.active .ys-node::after,
.ys-item:hover .ys-node::after {
  content: "";
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  -webkit-animation: amap-icon-anim 3s ease-out infinite;
          animation: amap-icon-anim 3s ease-out infinite;
}
@-webkit-keyframes amap-icon-anim {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.1);
            transform: scale(0.1);
  }
  5% {
    opacity: 1;
  }
  to {
    opacity: 0;
    -webkit-transform: scale(1.5);
            transform: scale(1.5);
  }
}
@keyframes amap-icon-anim {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.1);
            transform: scale(0.1);
  }
  5% {
    opacity: 1;
  }
  to {
    opacity: 0;
    -webkit-transform: scale(1.5);
            transform: scale(1.5);
  }
}
.ys-node {
  position: absolute;
  top: -27px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  height: 14px;
  width: 14px;
  border-radius: 14px;
  border: 2px solid white;
}
.ys-img {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 80px;
  width: 80px;
  border-radius: 50%;
  margin: 0 auto;
  background-color: #0166e0;
  margin-bottom: 40px;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.ys-img img {
  -webkit-filter: brightness(0) invert(1);
          filter: brightness(0) invert(1);
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.ys-title {
  border-bottom: 2px solid #eee;
  padding-bottom: 20px;
  font-size: 24px;
  color: #4c90bb;
  font-weight: bold;
  text-align: center;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.ys-desc {
  margin-top: 50px;
  line-height: 30px;
  font-size: 12px;
  margin-bottom: 80px;
}
.ys-link {
  margin-top: auto;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-size: 14px;
  color: transparent;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.ys-link::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%);
          transform: translate(-50%);
  height: 4px;
  width: 120px;
  background-color: #015eea;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
@media screen and (max-width: 1200px) {
  .ys {
    padding: 30px 0;
  }
  .ys .box-content {
    border-top: none;
    padding-top: 0;
  }
  .ys .box-content .main {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .ys-item {
    padding: 0;
  }
  .ys-item::before {
    content: none;
  }
  .ys-item.active .ys-title {
    color: #4c90bb;
  }
  .ys-item.active .ys-img {
    background-color: #0166e0;
    margin: 20px auto;
  }
  .ys-item.active .ys-img img {
    -webkit-filter: brightness(0) invert(1);
            filter: brightness(0) invert(1);
  }
  .ys-img {
    margin: 20px auto;
  }
  .ys-node,
  .ys-desc,
  .ys-link {
    display: none;
  }
}
.hy .box-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.hy-item,
.hy-more {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 100px;
  overflow: hidden;
  -webkit-transition: all 0.1s;
  transition: all 0.1s;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
.hy-item.active,
.hy-more.active {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  position: relative;
  z-index: 1;
}
.hy-item.active div,
.hy-more.active div {
  background-color: #015eea;
}
.hy-item.more div,
.hy-more.more div {
  background-color: #015eea;
}
.hy-item div,
.hy-more div {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 100px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  background-color: rgba(1, 94, 234, 0.7);
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  color: white;
  -webkit-writing-mode: vertical-lr;
      -ms-writing-mode: tb-lr;
          writing-mode: vertical-lr;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.hy-item img,
.hy-more img {
  height: 480px;
}
@media screen and (max-width: 1200px) {
  .hy {
    padding: 20px 0;
  }
  .hy .box-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .hy-item {
    width: 100%;
  }
  .hy-item.active div {
    background-color: rgba(1, 94, 234, 0.7);
  }
  .hy-item div {
    width: 100%;
    -webkit-writing-mode: initial;
        -ms-writing-mode: initial;
            writing-mode: initial;
  }
  .hy-item img {
    width: 100%;
    height: auto;
  }
}
.intro {
  padding-bottom: 60px;
}
.intro-content {
  background-color: white;
  padding: 60px 100px;
  position: relative;
}
.intro-txt {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.intro-txt video {
  width: 100%;
}
.intro-txt h2 {
  margin-bottom: 25px;
}
.intro-txt p {
  font-size: 14px;
  line-height: 30px;
  margin-bottom: 20px;
}
.intro-txt .btn {
  height: 35px;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 0 20px;
  background-color: #0166e0;
  color: white;
  margin-bottom: 20px;
}
.intro .txt div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.intro .txt div a {
  border: 1px solid #eee;
  outline: invert;
  text-align: center;
  padding-top: 25px;
  padding-bottom: 15px;
}
.intro .txt div a:hover {
  background-color: #0166e0;
  color: white;
}
.intro .txt div a:hover img {
  -webkit-filter: brightness(0) invert(1);
          filter: brightness(0) invert(1);
}
.intro .txt img {
  margin-bottom: 12px;
}
.intro .txt span {
  display: block;
}
.intro-img {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  overflow: hidden;
  margin-top: 20px;
}
.intro-img-wrapper {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.intro-img img {
  width: 100%;
}
.intro .swiper-btn {
  position: absolute;
  bottom: 100px;
  font-size: 40px;
  cursor: pointer;
}
.intro .prev {
  left: 40px;
}
.intro .next {
  right: 40px;
}
@media screen and (max-width: 1200px) {
  .intro {
    padding: 20px 0;
  }
  .intro-content {
    background-color: white;
    padding: 20px;
    position: relative;
  }
  .intro-txt {
    grid-template-columns: repeat(1, 1fr);
  }
}
.fw {
  background: url(../images/index/bg_03.png);
  background-size: cover;
}
.fw .box-title {
  color: white;
}
.fw .box-title::after {
  content: none;
}
.fw .box-desc {
  color: white;
  margin: 20px auto;
}
.fw .box-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin-top: 70px;
}
.fw-item {
  color: white;
  text-align: center;
}
.fw .img {
  height: 140px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-bottom: 70px;
}
@media screen and (max-width: 1200px) {
  .fw {
    padding: 30px 0;
  }
  .fw .box-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 0;
  }
  .fw .img {
    height: 80px;
    padding: 10px;
    margin-bottom: 20px;
  }
  .fw .img img {
    height: 100%;
  }
}
.box4 .box-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box4 .tabs {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 20px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.box4 .tabs div {
  width: 140px;
  height: 40px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  background-color: #f9fafc;
  cursor: pointer;
}
.box4 .tabs div.active {
  background-color: #0166e0;
  color: white;
}
.box4 .tabs a {
  margin-left: auto;
  padding: 10px;
  background-color: #f9fafc;
  border-radius: 4px;
  min-width: 120px;
  text-align: center;
}
.box4 .left {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
.box4 .news {
  display: none;
}
.box4 .news.active {
  display: block;
}
.box4 .news-cover {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin: 60px 0;
}
.box4 .news-cover img {
  height: 180px;
  width: 300px;
}
.box4 .news-cover-info {
  margin-left: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 20px;
  color: #999;
}
.box4 .news-cover-title {
  font-size: 18px;
  color: initial;
}
.box4 .news-cover-desc {
  font-size: 14px;
  color: #999;
  line-height: 25px;
}
.box4 .news-list {
  border-top: 1px dashed #ccc;
}
.box4 .news-list a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 66px;
  border-bottom: 1px dashed #ccc;
}
.box4 .news-list a::before {
  content: "";
  display: inline-block;
  height: 5px;
  width: 5px;
  border-radius: 50%;
  background-color: #0166e0;
  margin-right: 10px;
}
.box4 .news-date {
  margin-left: auto;
}
.box4 .right {
  width: 420px;
  margin-left: 85px;
}
.box4 .question {
  margin-top: 30px;
  line-height: 25px;
  padding-left: 35px;
}
.box4 .question-item {
  margin-bottom: 10px;
}
.box4 .question-item .a {
 font-size:14px;
}
.box4 .question .q::before,
.box4 .question .a::before {
  content: "Q";
  background-color: #0166e0;
  color: white;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  height: 30px;
  width: 30px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-left: -35px;
  margin-right: 10px;
}
.box4 .question .a::before {
  content: "A";
  background-color: #f9fafc;
  color: #999;
}
@media screen and (max-width: 1200px) {
  .box4 {
    padding: 20px 0;
  }
  .box4 .box-content {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .box4 .tabs {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 10px;
    padding: 0 20px;
  }
  .box4 .tabs div {
    font-size: 12px;
    height: 30px;
  }
  .box4 .tabs a {
    width: 140px;
    height: 30px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    background-color: white;
    border-radius: 4px;
    font-size: 12px;
  }
  .box4 .news-cover {
    display: block;
    padding: 10px;
    margin: 20px;
  }
  .box4 .news-cover img {
    width: 100%;
  }
  .box4 .news-cover-info {
    margin-left: auto;
  }
  .box4 .news-cover-title {
    margin-top: 20px;
  }
  .box4 .news-list {
    margin: 20px;
  }
  .box4 .left,
  .box4 .right {
    width: 100%;
  }
  .box4 .right {
    margin-left: 0;
    padding: 20px;
  }
}
.hz {
  background-color: #f2f2f2;
}
.hz .box-content {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  row-gap: 40px;
  -webkit-column-gap: 20px;
     -moz-column-gap: 20px;
          column-gap: 20px;
  margin-top: 40px;
}
.hz .box-content img {
  width: 100%;
}
@media screen and (max-width: 1200px) {
  .hz {
    padding: 20px 0;
  }
  .hz .box-content {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-top: 0;
  }
}


@media screen and (max-width: 750px) {
    .product-box{width:90%;margin:0 5%;}
    .product-item .img{width:100%;height:auto;}
     .product-item .img img{width: 100%;height:180px;}
  .product-list {
   grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-left: 0;
  }