@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
  border: none;
  -webkit-tap-highlight-color: transparent;
  outline: none; }

body,
html {
  font-size: 14px;
  background: #000;
  color: #fff;
  font-family: "Source Han Sans CN","PingFang SC", "Microsoft Yahei", "Helvetica Neue", "Arial", sans-serif; }

body {
  overflow-x: hidden; }

a {
  text-decoration: none;
  cursor: pointer;
  outline: none; }

a:active,
a:hover,
a:link,
a:visited {
  color: #fff; }

button {
  cursor: pointer; }

dl,
dl dd,
ol,
ol li,
ul,
ul li {
  list-style: none; }

img {
  vertical-align: bottom; }

.overflow, .about {
  overflow: hidden; }

section {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box; }

@media (max-width: 750px) {
  body,
  html {
    font-size: 10px; }

  section {
    max-width: 675px;
    box-sizing: border-box; } }
@media (min-width: 1921px) {
  section {
    max-width: 1600px; } }
@-webkit-keyframes line_hover {
  0% {
    -webkit-transform: translate(0, 0) rotate(0deg) scale(1);
    transform: translate(0, 0) rotate(0deg) scale(1);
    -webkit-transform-origin: right center;
    transform-origin: right center; }
  34% {
    -webkit-transform: translate(0, 0) rotate(0deg) scale(0);
    transform: translate(0, 0) rotate(0deg) scale(0);
    -webkit-transform-origin: right center;
    transform-origin: right center; }
  36% {
    -webkit-transform: translate(0, 0) rotate(0deg) scale(0);
    transform: translate(0, 0) rotate(0deg) scale(0);
    -webkit-transform-origin: left center;
    transform-origin: left center; }
  60%,
  to {
    -webkit-transform: translate(0, 0) rotate(0deg) scale(1);
    transform: translate(0, 0) rotate(0deg) scale(1);
    -webkit-transform-origin: left center;
    transform-origin: left center; } }
@keyframes line_hover {
  0% {
    -webkit-transform: translate(0, 0) rotate(0deg) scale(1);
    transform: translate(0, 0) rotate(0deg) scale(1);
    -webkit-transform-origin: right center;
    transform-origin: right center; }
  34% {
    -webkit-transform: translate(0, 0) rotate(0deg) scale(0);
    transform: translate(0, 0) rotate(0deg) scale(0);
    -webkit-transform-origin: right center;
    transform-origin: right center; }
  36% {
    -webkit-transform: translate(0, 0) rotate(0deg) scale(0);
    transform: translate(0, 0) rotate(0deg) scale(0);
    -webkit-transform-origin: left center;
    transform-origin: left center; }
  60%,
  to {
    -webkit-transform: translate(0, 0) rotate(0deg) scale(1);
    transform: translate(0, 0) rotate(0deg) scale(1);
    -webkit-transform-origin: left center;
    transform-origin: left center; } }
@-webkit-keyframes about_up {
  0% {
    -webkit-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    transform: translate(0, 0); }
  100% {
    -webkit-transform: translate(0, -50px);
    -ms-transform: translate(0, -50px);
    transform: translate(0, -50px); } }
@keyframes about_up {
  0% {
    -webkit-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    transform: translate(0, 0); }
  100% {
    -webkit-transform: translate(0, -50px);
    -ms-transform: translate(0, -50px);
    transform: translate(0, -50px); } }
@-webkit-keyframes header_in {
  0% {
    top: -100%; }
  to {
    top: 0; } }
@keyframes header_in {
  0% {
    top: -100%; }
  to {
    top: 0; } }
@-webkit-keyframes header_out {
  0% {
    top: 0; }
  to {
    top: -160px; } }
@keyframes header_out {
  0% {
    top: 0; }
  to {
    top: -160px; } }
@-webkit-keyframes black_load {
  0% {
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transform-origin: left center;
    transform-origin: left center; }
  35% {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
    -webkit-transform-origin: left center;
    transform-origin: left center; }
  36%,
  60% {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
    -webkit-transform-origin: right center;
    transform-origin: right center; }
  to {
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transform-origin: right center;
    transform-origin: right center; } }
@keyframes black_load {
  0% {
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transform-origin: left center;
    transform-origin: left center; }
  35% {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
    -webkit-transform-origin: left center;
    transform-origin: left center; }
  36%,
  60% {
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
    -webkit-transform-origin: right center;
    transform-origin: right center; }
  to {
    -webkit-transform: scaleX(0);
    transform: scaleX(0);
    -webkit-transform-origin: right center;
    transform-origin: right center; } }
@-webkit-keyframes title {
  0% {
    color: #e5e5e5; }
  100% {
    color: #000; } }
@keyframes title {
  0% {
    color: #e5e5e5; }
  100% {
    color: #000; } }
@-webkit-keyframes title1 {
  0% {
    fill: #e5e5e5; }
  100% {
    fill: #000; } }
@keyframes title1 {
  0% {
    fill: #e5e5e5; }
  100% {
    fill: #000; } }
@font-face {
  font-family: 'iconfont';
  /* Project id 3273803 */
  src: url("//at.alicdn.com/t/font_3273803_1x2wk9171du.woff2?t=1653722824836") format("woff2"), url("//at.alicdn.com/t/font_3273803_1x2wk9171du.woff?t=1653722824836") format("woff"), url("//at.alicdn.com/t/font_3273803_1x2wk9171du.ttf?t=1653722824836") format("truetype"); }
.iconfont {
  font-family: "iconfont" !important;
  font-size: 50px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -webkit-text-stroke-width: 0.2px;
  -moz-osx-font-smoothing: grayscale; }

header {
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
  position: fixed;
  z-index: 99;
  left: 0;
  top: 0;
  align-items: center; }
  header section {
    display: flex;
    align-items: center;
    justify-content: space-between; }
  header .logo {
    width: auto;
    height: 0.8rem; }
    header .logo svg {
      width: auto;
      height: 0.8rem;
      fill: #fff;
      transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9);
      display: block; }
  header .header-button {
    display: none; }
  header nav ul {
    display: flex;
    justify-content: flex-start; }
    header nav ul li {
      margin-right: 80px;
      position: relative;
      font-size: 0.2rem;
      line-height: 1.2rem;
      cursor: pointer;
      display: block; }
      header nav ul li a {
        position: relative; }
        header nav ul li a:hover {
          color: #c0e08f; }
        header nav ul li a:after {
          content: "";
          width: 80%;
          height: 1px;
          background: #c0e08f;
          position: absolute;
          left: 10%;
          bottom: -8px;
          transform: scaleX(0);
          transform-origin: right bottom;
          transition: transform 0.3s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0.2s; }
        header nav ul li a:hover:after {
          transform: scaleX(1);
          transform-origin: left bottom; }
      header nav ul li::before {
        content: "";
        width: 5px;
        height: 5px;
        display: block;
        background: #c0e08f;
        border-radius: 50%;
        position: absolute;
        top: 50%;
        transform: translateY(-2.5px);
        left: -37.5px; }
      header nav ul li:hover {
        color: #c0e08f; }
      header nav ul li:first-child::before {
        display: none; }
  header nav .active {
    color: #c0e08f; }
    header nav .active:after {
      content: "";
      width: 80%;
      height: 1px;
      background: #c0e08f;
      position: absolute;
      left: 10%;
      bottom: -8px;
      transform: scaleX(1); }
  header nav .nav_fix {
    position: absolute;
    display: block;
    background: rgba(0, 0, 0, 0.6);
    width: 150%;
    transform: scaleY(0);
    transform-origin: top;
    opacity: 0;
    left: 50%;
    margin-left: -75%;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.04, 0.435, 0.315, 0.9); }
    header nav .nav_fix li {
      margin: 0 auto;
      padding: 0.24rem 0;
      line-height: 0.2rem; }
      header nav .nav_fix li:before {
        display: none; }
  header nav .hover:hover .nav_fix {
    transform: scaleY(1);
    opacity: 1; }
  header nav .nav_2 {
    position: absolute;
    display: block;
    right: -100%;
    width: 100%;
    top: 0;
    background: rgba(0, 0, 0, 0.6);
    transition: all 0.4s cubic-bezier(0.04, 0.435, 0.315, 0.9);
    transform: scaleX(0);
    transform-origin: left;
    opacity: 0;
    border-left: 1px solid #003149; }
  header nav .nav_1:hover .nav_2 {
    transform: scaleX(1);
    opacity: 1; }

.head_2 {
  background: black; }

.head_1 {
  background: rgba(0, 0, 0, 0.6);
  box-shadow: 0 10px 80px 0 rgba(0, 0, 0, 0.1);
  -webkit-animation: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9);
  animation: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9); }

.banner_mobile {
  height: 0; }
  .banner_mobile .swiper-wrapper {
    display: none; }

.fix {
  display: none; }

.banner {
  width: 100%;
  height: 100vh; }
  .banner .swiper {
    width: 100%;
    height: 100%; }
  .banner .swiper-slide {
    width: 100%;
    height: 100%;
    background-size: cover !important;
    background-position: center !important;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-end; }
    .banner .swiper-slide img {
      width: auto;
      position: relative; }
    .banner .swiper-slide .img4 {
      height: 25vh;
      max-height: 260px;
      left: 25%;
      top: 1.8rem;
      position: absolute; }
    .banner .swiper-slide div {
      display: flex;
      width: 100%;
      align-items: flex-end;
      justify-content: center; }
      .banner .swiper-slide div:first-child {
        margin-bottom: 5vh; }
    .banner .swiper-slide .div1 img {
      margin-left: -25%; }
    .banner .swiper-slide .div2 {
      justify-content: flex-start; }
      .banner .swiper-slide .div2 img {
        margin-right: 5vw; }
    .banner .swiper-slide .yw {
      width: 100vw;
      height: 100vh; }
  .banner .img1 {
    height: 62vh;
    z-index: 1; }
  .banner .img2 {
    height: 65vh;
    z-index: 3; }
  .banner .img3 {
    height: 15vh; }

.pro {
  background: url("../images/bc_1.png") no-repeat;
  background-size: 100% auto;
  background-position: center;
  box-sizing: border-box;
  padding: 1.5rem 0; }
  .pro section {
    position: relative; }
  .pro .pro_nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    font-size: 0.18rem; }
  .pro p {
    font-size: 0.20rem;
    font-weight: bold;
    text-transform: uppercase; }
  .pro i {
    font-size: 0.18rem;
    margin-right: 0.1rem; }
  .pro span {
    font-size: 0.18rem;
    margin-right: 0.1rem; }
  .pro ul {
    display: flex;
    align-items: center;
    justify-content: flex-end; }
  .pro li {
    margin-left: 0.8rem; }
  .pro h3, .pro h4 {
    font-size: 0.24rem;
    line-height: 0.5rem;
    font-weight: normal; }
  .pro h4 {
    font-size: 0.3rem;
    margin-top: 0.2rem; }
  .pro .swiper-slide {
    text-align: center;
    width: 30%; }
  .pro .swiper-button-next,
  .pro .swiper-button-prev {
    color: rgba(255, 255, 255, 0.8); }

.pro_switch {
  margin-bottom: 1rem; }
  .pro_switch .swiper-slide {
    padding: 15vh 0 10vh; }
  .pro_switch .left, .pro_switch .right {
    width: 100%;
    height: calc(50% + 5vh);
    position: absolute;
    left: 0;
    top: -5vh;
    background: #000;
    z-index: 11; }
  .pro_switch .right {
    bottom: 0;
    top: auto; }
  .pro_switch .swiper-slide-yw {
    background: #0b201b; }
  .pro_switch section {
    background: #161616;
    height: 70vh;
    position: relative; }
  .pro_switch .switch_img1, .pro_switch .switch_img2 {
    position: absolute;
    z-index: 2;
    width: 40%;
    right: 5%;
    top: 5%;
    z-index: 8; }
  .pro_switch .switch_img2 {
    width: auto;
    height: 50vh;
    left: 40%;
    right: auto;
    margin-top: 10vh;
    z-index: 11; }
  .pro_switch h4 {
    font-size: 0.4rem;
    margin-bottom: 0.2rem; }
  .pro_switch .switch_info {
    position: absolute;
    left: 8%;
    bottom: 10vh; }
  .pro_switch .switch_left, .pro_switch .switch_right {
    width: auto;
    height: 50vh;
    position: absolute;
    left: 0;
    top: 5vh;
    z-index: 10; }
    .pro_switch .switch_left img, .pro_switch .switch_right img {
      width: auto;
      height: 100%; }
  .pro_switch .switch_right {
    height: 10vh;
    left: auto;
    right: 0;
    top: auto;
    bottom: 5vh; }

.about {
  background: url("../images/brand.jpg");
  background-size: cover;
  background-position: top center; }
  .about h2 {
    font-size: 0.75rem;
    line-height: 1rem;
    margin-top: 0.8rem; }
  .about p {
    width: 37%;
    line-height: 2em;
    margin: 0.35rem 0; }
  .about button {
    margin-bottom: 1.4rem;
    background: none;
    border: 1px solid #003149;
    color: #fff;
    text-transform: uppercase;
    display: block;
    padding: 12px 20px;
    display: flex;
    align-items: center; }
    .about button .iconfont {
      font-size: 0.4rem;
      margin-left: 0.2rem; }

footer section {
  position: relative;
  box-sizing: border-box;
  padding: 0.8rem 1rem; }
footer .foot_top, footer .foot_bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end; }
footer svg {
  width: 1.6rem;
  height: 0.96rem;
  fill: #939393;
  margin-right: 0.5rem; }
footer .info {
  width: 2.8rem;
  background: #003149;
  margin-top: -2rem;
  box-sizing: border-box;
  padding: 0.5rem 0.2rem; }
footer .iconfont {
  font-size: 0.4rem;
  margin-right: 10px; }
footer .info1 {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  margin-bottom: 20px; }
  footer .info1 p {
    font-size: 12px; }
footer .foot_bottom {
  align-items: center;
  position: relative;
  color: #939393;
  padding-top: 0.3rem;
  margin-top: 0.5rem; }
  footer .foot_bottom:before {
    content: "";
    width: 100%;
    height: 1px;
    top: 0;
    position: absolute;
    background: #939393; }
footer ul {
  display: flex;
  justify-content: flex-end; }
  footer ul li {
    margin-left: 0.2rem; }
footer .foot_l {
  display: flex;
  justify-content: flex-start;
  align-items: center; }
  footer .foot_l p {
    color: #939393;
    font-weight: lighter;
    margin: 0.1rem 0 0.2rem; }
footer input {
  background: none;
  border: 1px solid #939393;
  border-radius: 20px;
  height: 25px;
  width: 200px;
  color: #fff;
  line-height: 25px;
  box-sizing: border-box;
  padding-left: 10px; }
footer button {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  color: #fff;
  background: #003149;
  margin-left: -25px; }
  footer button .iconfont {
    font-size: 14px;
    line-height: 25px;
    margin: 0; }

.banner1, .banner2, .banner3 {
  width: 100%;
  height: 80vh;
  position: relative;
  background-size: cover;
  background-position: center; }
  .banner1 .fix_nav, .banner2 .fix_nav, .banner3 .fix_nav {
    position: absolute;
    right: 0;
    bottom: -10vh;
    width: 40%;
    height: 20vh;
    background: url("../images/prolist_bc.jpg") no-repeat;
    background-size: cover;
    background-position: center;
    box-sizing: border-box;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    padding-left: 2%;
    transform: scaleX(0);
    animation: flipInX 1s ease 1.5s;
    animation-fill-mode: forwards; }
  .banner1 h3, .banner2 h3, .banner3 h3, .banner1 .pro h4, .pro .banner1 h4, .banner2 .pro h4, .pro .banner2 h4, .banner3 .pro h4, .pro .banner3 h4 {
    font-size: 0.5rem;
    text-transform: uppercase;
    width: 100%; }
  .banner1 span, .banner2 span, .banner3 span {
    font-size: 0.3rem; }

.prolist_info {
  background: #b5b5b5;
  padding: 10vh 0 2rem; }
  .prolist_info .nav {
    display: flex;
    flex-wrap: wrap;
    color: #000;
    font-size: 0.22rem;
    margin-bottom: 1.5rem; }
    .prolist_info .nav li {
      margin: 0 40px;
      position: relative; }
      .prolist_info .nav li:hover {
        font-weight: bold; }
      .prolist_info .nav li::after {
        content: "";
        width: 60%;
        height: 2px;
        background: #004d71;
        position: absolute;
        left: 20%;
        bottom: -5px;
        transform: scaleX(0);
        transform-origin: right bottom;
        transition: transform 0.3s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0.2s; }
      .prolist_info .nav li:hover::after {
        transform: scaleX(1);
        transform-origin: left bottom; }
      .prolist_info .nav li:hover > .nav_fix {
        transform: scaleY(1); }
    .prolist_info .nav .active {
      font-weight: bold; }
      .prolist_info .nav .active::after {
        content: "";
        width: 60%;
        height: 2px;
        background: #004d71;
        position: absolute;
        left: 20%;
        bottom: -5px;
        transform: scaleX(1); }
    .prolist_info .nav a:active,
    .prolist_info .nav a:hover,
    .prolist_info .nav a:link,
    .prolist_info .nav a:visited {
      color: #000; }
    .prolist_info .nav .nav_fix {
      position: absolute;
      width: 14vw;
      display: flex;
      left: 50%;
      margin-left: -7vw;
      justify-content: space-around;
      font-size: 0.18rem;
      transform: scaleY(0);
      transform-origin: top;
      transition: transform 0.3s cubic-bezier(0.04, 0.435, 0.315, 0.9) 0.2s; }
      .prolist_info .nav .nav_fix li {
        margin: 25px 0; }
  .prolist_info .prolist {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: flex-start;
    width: 100%;
    box-sizing: border-box;
    padding: 0 1.25%; }
    .prolist_info .prolist li {
      width: 30%;
      margin: 0 1.25% 40px;
      text-align: center;
      color: #000; }
    .prolist_info .prolist img {
      width: 100%;
      height: auto; }
    .prolist_info .prolist h4 {
      font-size: 0.24rem;
      line-height: 0.48rem;
      margin-top: 10px; }
    .prolist_info .prolist p {
      text-transform: uppercase;
      margin-bottom: 15px; }
    .prolist_info .prolist button {
      background: none;
      border: 1px solid #000;
      padding: 5px 20px;
      border-radius: 20px; }
  .prolist_info .num {
    text-align: center;
    margin-top: 0.6rem; }
    .prolist_info .num a {
      display: inline-block;
      margin: 0 0.1rem; }
    .prolist_info .num a:active,
    .prolist_info .num a:hover,
    .prolist_info .num a:link,
    .prolist_info .num a:visited {
      color: #3e3e3e; }

.banner2 section, .banner3 section {
  height: 100%;
  display: flex;
  align-content: center;
  flex-wrap: wrap;
  justify-content: flex-start; }
  .banner2 section div, .banner3 section div {
    align-self: center; }
    .banner2 section div p:nth-child(3), .banner3 section div p:nth-child(3) {
      margin-top: 0; }
.banner2 h2, .banner3 h2 {
  font-size: 0.55rem;
  position: relative; }
  .banner2 h2:after, .banner3 h2:after {
    content: "";
    width: 0.8rem;
    height: 5px;
    background: #004d71;
    position: absolute;
    left: 0;
    bottom: -15px; }
.banner2 p, .banner3 p {
  text-transform: uppercase;
  font-size: 0.35rem;
  margin-top: 30px;
  position: relative; }

.banner3 section {
  justify-content: flex-end; }
  .banner3 section div p:nth-child(3) {
    margin-top: 0; }

.banner_pro {
  background: #b5b5b5;
  margin-top: 1.2rem; }
  .banner_pro section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 0.8rem 0; }
  .banner_pro .pro_fix {
    background: rgba(0, 0, 0, 0.5);
    position: absolute;
    right: 20px;
    top: 20px;
    box-sizing: border-box;
    padding: 7px 20px; }
    .banner_pro .pro_fix span {
      margin-right: 21px;
      position: relative; }
      .banner_pro .pro_fix span:after {
        content: "";
        width: 1px;
        height: 100%;
        background: #fff;
        position: absolute;
        top: 0;
        right: -10px; }
      .banner_pro .pro_fix span:last-child {
        margin: 0; }
      .banner_pro .pro_fix span:last-child:after {
        display: none; }
  .banner_pro .pro_swiper {
    background: url("../images/pro_bc.jpg") no-repeat;
    background-position: left center;
    background-size: auto 100%;
    width: 50%;
    padding: 0.6rem 0;
    display: flex;
    justify-content: flex-end;
    position: relative; }
  .banner_pro .swiper_product {
    width: 6.5rem;
    max-width: 526px;
    height: auto;
    margin: 0;
    box-shadow: 1px 2px 20px rgba(0, 0, 0, 0.3); }
    .banner_pro .swiper_product img {
      width: 100%;
      height: auto; }
  .banner_pro .swiper-horizontal > .swiper-pagination-bullets,
  .banner_pro .swiper-pagination-bullets.swiper-pagination-horizontal,
  .banner_pro .swiper-pagination-custom,
  .banner_pro .swiper-pagination-fraction {
    width: 10px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    left: 40px; }
  .banner_pro .swiper-horizontal > .swiper-pagination-bullets .swiper-pagination-bullet,
  .banner_pro .swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet {
    margin: 6px 0; }
  .banner_pro .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: none;
    border: 1px solid #fff;
    opacity: 1; }
  .banner_pro .swiper-pagination-bullet-active {
    background: #fff; }
  .banner_pro .product_info {
    color: #000;
    width: 40%; }
  .banner_pro h3, .banner_pro .pro h4, .pro .banner_pro h4 {
    font-size: 0.5rem; }
  .banner_pro .product_en {
    text-transform: uppercase;
    font-size: 0.24rem;
    font-weight: lighter; }
  .banner_pro p {
    font-size: 0.2rem;
    line-height: 0.3rem; }
  .banner_pro .tga {
    color: #553278;
    margin: 0.4rem 0; }
  .banner_pro .label {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    border-top: 1px solid #000;
    border-bottom: 1px solid #000;
    box-sizing: border-box;
    padding: 0.2rem 0;
    width: 90%; }
    .banner_pro .label p {
      margin-right: 0.3rem; }
  .banner_pro button {
    background: #000;
    color: #fff;
    font-size: 0.2rem;
    line-height: 0.4rem;
    box-sizing: border-box;
    padding: 5px 15px;
    margin-top: 0.9rem;
    margin-bottom: 0.15rem;
    display: flex;
    align-items: center; }
    .banner_pro button .iconfont {
      font-size: 20px;
      margin: 0 0.2rem 0 0.4rem; }

.product_tab {
  background: #fff;
  color: #000;
  padding: 0.2rem 0 0.8rem;
  height: auto; }
  .product_tab .product_nav {
    display: flex;
    font-size: 0.24rem;
    justify-content: center;
    border-bottom: 1px solid #b5b5b5;
    padding: 0.3rem 0; }
  .product_tab .product_li {
    margin: 0 0.6rem;
    position: relative;
    cursor: pointer; }
  .product_tab .active:after {
    content: "";
    width: 100%;
    height: 5px;
    background: #553278;
    position: absolute;
    left: 0;
    bottom: calc(-0.3rem - 3px); }
  .product_tab .title, .product_tab .product_content p {
    font-size: 0.25rem;
    font-weight: bold;
    margin-bottom: 0.4rem;
    display: block; }
  .product_tab .product_content {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    border-bottom: 1px solid #b5b5b5;
    padding: 0.5rem 0; }
    .product_tab .product_content p {
      margin: 0; }
    .product_tab .product_content p:first-child {
      font-size: 0.5rem;
      color: #553278;
      margin-right: 0.5rem; }
  .product_tab .product_raw {
    border-bottom: 1px solid #b5b5b5;
    padding: 0.5rem 0;
    font-size: 0.18rem;
    line-height: 0.36rem; }
  .product_tab .product_table {
    padding-top: 0.5rem;
    margin-bottom: 1.5rem; }
    .product_tab .product_table div {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      align-items: flex-start; }
  .product_tab table {
    width: 100%;
    flex-grow: 1;
    box-sizing: border-box;
    max-width: 580px;
    border: 1px solid #b5b5b5;
    border-collapse: collapse;
    border-spacing: 0;
    margin-bottom: 0.3rem; }
  .product_tab tr {
    border-bottom: 1px solid #b5b5b5; }
  .product_tab tr:last-child {
    border: none; }
  .product_tab td {
    width: 50%;
    border-right: 1px solid #b5b5b5;
    box-sizing: border-box;
    text-align: center;
    font-size: 0.18rem;
    line-height: 0.6rem; }
  .product_tab td:last-child {
    border: none; }
  .product_tab .table2 {
    margin: 0.5rem 0 1.5rem; }
    .product_tab .table2 table {
      max-width: 100%; }
    .product_tab .table2 td {
      width: auto; }
  .product_tab .cont {
    display: none; }
  .product_tab .active1 {
    display: block; }

.banner_about, .banner_news, .banner_contact {
  width: 100vw;
  height: 90vh;
  background: url("../images/banner_about.jpg") no-repeat;
  background-size: cover;
  background-position: center; }
  .banner_about section, .banner_news section, .banner_contact section {
    height: 100%;
    display: flex;
    flex-wrap: wrap;
    align-content: center;
    justify-content: flex-start; }
  .banner_about h2, .banner_news h2, .banner_contact h2 {
    font-size: 0.85rem;
    line-height: 1rem;
    width: 100%;
    position: relative;
    margin-bottom: 40px; }
    .banner_about h2:after, .banner_news h2:after, .banner_contact h2:after {
      content: "";
      width: 90px;
      height: 5px;
      background: #fff;
      position: absolute;
      left: 0;
      bottom: -20px; }
  .banner_about p, .banner_news p, .banner_contact p {
    font-size: 0.3rem; }

.about_info {
  background: #fff;
  color: #000;
  margin: -24vh auto 0;
  width: calc(90vw + 60px);
  max-width: calc(1200px + 60px);
  box-shadow: 0 10px 80px 0 rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
  padding: 0.6rem 0;
  text-align: center; }
  .about_info .title, .about_info .product_tab .product_content p, .product_tab .product_content .about_info p {
    background: #003149;
    color: #fff;
    display: inline-block;
    letter-spacing: 0.1rem;
    padding: 10px 35px; }
  .about_info h5 {
    font-size: 0.3rem;
    font-weight: normal;
    letter-spacing: 0.18rem; }
  .about_info span {
    font-size: 0.14rem;
    font-weight: lighter; }
  .about_info p {
    text-align: left;
    font-size: 0.22rem;
    line-height: 0.44rem;
    margin-bottom: 0.4rem; }
  .about_info .info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-top: 0.9rem;
    margin-bottom: 0.5rem; }
  .about_info img {
    width: 34%;
    height: auto;
    display: block; }
  .about_info .info_l {
    width: 60%; }
  .about_info .info_b {
    text-align: left;
    text-transform: uppercase;
    font-size: 0.3rem;
    font-weight: bold;
    position: relative; }
    .about_info .info_b:after {
      content: "";
      width: 80%;
      height: 2px;
      background: #b5b5b5;
      position: absolute;
      right: 0;
      top: 50%; }

.banner_news, .banner_contact {
  height: 75vh;
  background-image: url("../images/banner_news.jpg"); }

.news_nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem; }
  .news_nav ul {
    display: flex;
    font-size: 0.3rem;
    font-weight: bold; }
  .news_nav li {
    margin-right: 0.3rem;
    color: rgba(62, 62, 62, 0.5); }
    .news_nav li:hover {
      color: #3e3e3e; }
  .news_nav .active {
    color: #3e3e3e; }
  .news_nav input {
    background: #a0a0a0;
    font-size: 0.18rem;
    line-height: 30px;
    height: 30px;
    box-sizing: border-box;
    padding-left: 8px;
    vertical-align: middle; }
  .news_nav button {
    background: #585b5b;
    height: 30px;
    box-sizing: border-box;
    line-height: 30px;
    padding: 0 5px;
    vertical-align: middle; }
  .news_nav .iconfont {
    font-size: 0.22rem;
    color: #fff; }

.news_list {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
  color: #3e3e3e; }
  .news_list li {
    width: 32%;
    margin-right: 2%;
    margin-bottom: 30px;
    background: #fff; }
    .news_list li:nth-child(3n+0) {
      margin-right: 0; }
  .news_list img {
    width: 100%;
    height: auto;
    display: block; }
  .news_list .news_info, .news_list .news_bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
    padding: 0.3rem;
    position: relative; }
    .news_list .news_info:after, .news_list .news_bottom:after {
      content: "";
      width: calc(100% - 0.6rem);
      height: 1px;
      background: #3e3e3e;
      position: absolute;
      bottom: 0;
      left: 0.3rem; }
  .news_list .news_bottom:after {
    display: none; }
  .news_list .iconfont {
    font-size: 0.35rem; }
  .news_list .news_time {
    border-right: 1px solid #3e3e3e;
    width: 26%;
    box-sizing: border-box; }
    .news_list .news_time span {
      font-size: 0.5rem;
      font-weight: bold; }
    .news_list .news_time p {
      font-size: 12px; }
  .news_list a:active,
  .news_list a:hover,
  .news_list a:link,
  .news_list a:visited {
    color: #3e3e3e; }
  .news_list .news_title {
    width: 66%; }
    .news_list .news_title h4 {
      font-size: 16px;
      line-height: 24px;
      margin-bottom: 5px;
      word-break: break-all;
      text-overflow: ellipsis;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical; }
    .news_list .news_title p {
      font-size: 12px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis; }

.news_fix {
  background: #5a5a5a;
  display: inline-block;
  padding: 8px 22px;
  margin-bottom: 0.7rem; }

.news_content {
  background: #fff;
  color: #000;
  width: 100%;
  box-sizing: border-box;
  padding: 0.8rem; }
  .news_content img {
    width: auto;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 30px auto; }
  .news_content h3, .news_content .pro h4, .pro .news_content h4 {
    font-size: 0.25rem; }
  .news_content h5 {
    font-size: 0.2rem;
    margin-top: 10px;
    position: relative;
    padding-left: 25px; }
    .news_content h5:after {
      content: "";
      width: 15px;
      height: 2px;
      background: #000;
      position: absolute;
      top: 45%;
      left: 0; }
  .news_content span {
    display: block;
    border-bottom: 1px solid #b5b5b5;
    margin: 20px 0;
    padding-bottom: 20px;
    font-size: 12px; }
  .news_content p {
    font-size: 0.2rem;
    line-height: 0.42rem; }
  .news_content ul {
    display: flex;
    justify-content: flex-end;
    font-size: 0.18rem;
    line-height: 20px;
    border-top: 1px solid #b5b5b5;
    margin-top: 30px;
    padding-top: 20px; }
  .news_content i {
    width: 20px;
    height: 20px;
    display: inline-block;
    border-radius: 50%;
    text-align: center;
    line-height: 20px;
    background: #eee;
    font-size: 0.18rem;
    margin: 0 5px; }
  .news_content li {
    margin-left: 20px; }
    .news_content li:first-child {
      opacity: 0.5; }
  .news_content a:active,
  .news_content a:hover,
  .news_content a:link,
  .news_content a:visited {
    color: #000; }

.banner_contact {
  background-image: url("../images/banner_contact.jpg"); }

.contact {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center; }
  .contact span {
    font-size: 0.3rem;
    color: #3e3e3e;
    margin-left: 10%; }
  .contact h3, .contact .pro h4, .pro .contact h4 {
    font-size: 0.5rem;
    color: #003149;
    margin-left: 10%; }
  .contact .info {
    width: 42%; }
    .contact .info img {
      margin-top: 0.6rem;
      width: 120px; }
    .contact .info div {
      background: #003149;
      margin-top: 0.6rem;
      box-sizing: border-box;
      padding: 0.4rem; }
  .contact p {
    margin-bottom: 0.3rem;
    font-size: 0.2rem;
    line-height: 0.44rem; }
  .contact img {
    display: block; }
  .contact .map {
    width: 42%; }
  .contact #allmap {
    height: 800px; }

@media (min-width: 1921px) {
  .about_info {
    max-width: calc(1600px + 60px); } }
@media (max-width: 750px) {
  .head_1 {
    background: #000;
    opacity: 1; }

  .mob {
    width: 100vw;
    height: 100vh;
    overflow: hidden; }

  .head_mob section {
    display: block;
    height: 1rem; }
  .head_mob .logo {
    position: absolute;
    display: inline-block;
    left: 0;
    top: 0.4rem;
    z-index: 999; }
  .head_mob .header-button {
    top: calc((1rem - 15px) / 2); }

  header {
    background: rgba(0, 0, 0, 0.8); }
    header section {
      position: relative;
      justify-content: center; }
    header .header-button {
      width: 30px;
      height: 15px;
      cursor: pointer;
      position: absolute;
      display: block;
      right: 0; }
    header .header-button span {
      width: 100%;
      height: 2px;
      background: #fff;
      position: absolute;
      display: block;
      left: 0;
      top: 0;
      transition: all 0.5s cubic-bezier(0.04, 0.435, 0.315, 0.9); }
    header .header-button span:first-child {
      transform: translate(0, 0) rotate(0deg); }
    header .header-button span:last-child {
      transform: translate(0, 10px) rotate(0deg); }
    header .header-button:hover span:first-child {
      transform: translate(0, -2px) rotate(0deg); }
    header .header-button:hover span:last-child {
      transform: translate(0, 12px) rotate(0deg); }
    header .nav-icon-click span {
      background: #fff; }
    header .nav-icon-click span:first-child {
      transform: translate(0, 0) rotate(135deg); }
    header .nav-icon-click span:last-child {
      transform: translate(0, 0) rotate(-135deg); }
    header .nav-icon-click:hover span:first-child {
      transform: translate(0, 0px) rotate(135deg); }
    header .nav-icon-click:hover span:last-child {
      transform: translate(0, 0px) rotate(-135deg); }
    header nav {
      position: absolute;
      width: 100vw;
      height: calc(100vh - 1.1rem);
      left: -5vw;
      top: 1rem;
      z-index: 998;
      background: rgba(0, 0, 0, 0.8);
      display: none; }
      header nav ul {
        display: block;
        width: 90%;
        margin-left: 5%;
        margin-top: 60px;
        text-align: center; }
        header nav ul li {
          font-size: 0.4rem;
          line-height: 0.8rem;
          margin-right: 0;
          margin-bottom: 0.4rem; }
          header nav ul li:first-child {
            letter-spacing: 0.3rem; }
          header nav ul li:before {
            display: none; }
      header nav .hover1 .nav_fix {
        display: block; }
      header nav .nav_fix {
        position: relative;
        opacity: 1;
        transform: scaleY(1);
        width: 100%;
        left: 0;
        text-align: center;
        margin-left: 0;
        display: none;
        margin-top: 11px; }
        header nav .nav_fix li {
          font-size: 0.3rem;
          line-height: 0.5rem;
          margin: 0;
          padding: 0.15rem 0; }
          header nav .nav_fix li:first-child {
            letter-spacing: 0;
            margin-right: 0; }
          header nav .nav_fix li .active:after {
            display: none; }
      header nav .nav_2 {
        position: relative;
        transform: scaleX(1);
        opacity: 1;
        border-left: none;
        right: 0;
        margin-top: 0;
        margin-left: 0; }
      header nav .active {
        display: block; }
        header nav .active:after {
          width: 100%;
          left: 0;
          bottom: -5px; }

  .banner {
    height: 0; }
    .banner .swiper-wrapper {
      display: none; }

  .banner_mobile {
    display: block;
    width: 100%;
    height: 100vh;
    background: #000;
    overflow: hidden; }
    .banner_mobile .swiper {
      --swiper-theme-color: #ff6600;
      /* 设置Swiper风格 */
      --swiper-navigation-color: #fff;
      /* 单独设置按钮颜色 */
      --swiper-navigation-size: 30px;
      /* 设置按钮大小 */ }
    .banner_mobile .swiper-button-next {
      margin-top: 0;
      top: auto;
      left: 50%;
      bottom: 2vh;
      margin-left: calc(0px - (var(--swiper-navigation-size)/ 2));
      transform: rotate(90deg); }
    .banner_mobile .swiper-button-disabled {
      opacity: 0; }
    .banner_mobile .swiper6 {
      height: 100vh; }
    .banner_mobile .swiper-wrapper {
      display: flex; }
    .banner_mobile .swiper-slide {
      height: 100vh; }
    .banner_mobile .bc1, .banner_mobile .bc2 {
      width: 100%;
      height: 100vh;
      background: url("../images/banner_mod_1.jpg") no-repeat;
      background-size: cover;
      background-position: center; }
    .banner_mobile .bc2 {
      background-image: url("../images/banner_mod_3.jpg"); }
    .banner_mobile .info1 {
      font-size: 0.3rem;
      position: absolute;
      left: 8vw;
      top: 16vh;
      width: 60vw; }
      .banner_mobile .info1 img {
        width: 100%;
        height: auto; }
      .banner_mobile .info1 p {
        color: #d163ce;
        margin-bottom: 8px;
        letter-spacing: 3px; }
      .banner_mobile .info1 span {
        display: block;
        text-transform: uppercase;
        letter-spacing: 1.5px; }
      .banner_mobile .info1 b {
        font-weight: bold; }
    .banner_mobile .img {
      width: 100%;
      height: auto; }
    .banner_mobile ul {
      display: flex;
      justify-content: space-evenly;
      margin: 15px 0; }
    .banner_mobile li {
      width: 22%;
      box-sizing: border-box; }
      .banner_mobile li img {
        width: 100%;
        height: auto; }
    .banner_mobile .swiper_flex {
      display: flex;
      flex-wrap: wrap;
      align-content: space-between; }
    .banner_mobile .swiper_top {
      width: 100%;
      height: 45vh;
      background-image: url("../images/banner_mob_2.jpg");
      background-position: center;
      background-size: cover; }
    .banner_mobile .video {
      width: 85vw;
      margin-left: 7.5vw;
      margin-top: -10vh; }
      .banner_mobile .video img {
        width: 100%;
        height: auto; }
    .banner_mobile .fix {
      width: 100%;
      height: 100vh;
      background: #000;
      position: fixed;
      left: 0;
      top: 0;
      z-index: 990;
      display: none; }
    .banner_mobile video {
      width: 100%;
      height: 100%; }
    .banner_mobile .close {
      position: absolute;
      z-index: 999;
      top: 10px;
      right: 10px;
      display: block; }
      .banner_mobile .close .iconfont {
        font-size: 0.8rem; }
    .banner_mobile .center {
      color: #824f33;
      text-align: center;
      letter-spacing: 0.1rem;
      font-size: 0.3rem;
      margin-bottom: 10vh;
      width: 100%; }
    .banner_mobile .menu {
      position: absolute;
      left: 0;
      bottom: 0;
      width: 100%;
      margin: 0; }
      .banner_mobile .menu li {
        width: calc(100vw / 3);
        display: flex;
        flex-wrap: wrap;
        box-sizing: border-box;
        padding: 18px 0;
        align-items: center;
        justify-content: center;
        background: rgba(26, 26, 26, 0.4); }
      .banner_mobile .menu a:nth-child(2) li {
        background: rgba(26, 26, 26, 0.6); }
      .banner_mobile .menu img {
        width: auto;
        height: 0.5rem;
        margin-bottom: 5px; }
      .banner_mobile .menu p {
        width: 100%;
        text-align: center; }

  .pro_mob {
    display: none; }

  .banner1, .banner2, .banner3 {
    height: 50vh; }

  .banner2 h2, .banner3 h2 {
    font-size: 0.45rem; }
  .banner2 p, .banner3 p {
    font-size: 0.28rem; }

  .banner_about, .banner_news, .banner_contact {
    height: 60vh; }

  .pro_switch {
    height: 0;
    padding: 0;
    margin: 0; }
    .pro_switch .swiper-wrapper {
      display: none; }

  .about_info {
    width: 90vw;
    max-width: 675px; }
    .about_info .info {
      flex-wrap: wrap; }
    .about_info .info_l {
      width: 100%; }
    .about_info img {
      width: 100%; }
    .about_info .info_b:after {
      top: 10px; }

  .about_mob {
    display: none; }

  footer section {
    padding: 0.5rem; }
  footer svg {
    width: 1.4rem;
    margin-right: 0.3rem; }
  footer .foot_top, footer .foot_bottom {
    flex-wrap: wrap;
    flex-direction: column-reverse;
    align-items: center; }
  footer input {
    width: 170px; }
  footer .info {
    width: 100%; }
  footer .foot_l {
    margin-top: 20px; }
  footer ul {
    margin: 5px 0; }

  .foot_mob {
    display: none; }

  .news_list .news_info, .news_list .news_bottom {
    padding: 0.2rem; }
  .news_list .news_time {
    width: 32%; }
    .news_list .news_time p {
      font-size: 10px; }
  .news_list .news_title {
    width: 62%; }
    .news_list .news_title h4 {
      font-size: 14px;
      line-height: 20px; }
  .news_list li {
    width: 49%; }
    .news_list li:nth-child(3n+0) {
      margin-right: 2%; }
    .news_list li:nth-child(2n+0) {
      margin-right: 0; }

  .contact .info {
    width: 100%; }
  .contact .map {
    width: 100%; }
  .contact #allmap {
    height: 300px; }

  .banner1 .fix_nav, .banner2 .fix_nav, .banner3 .fix_nav {
    width: 70%;
    height: 12vh;
    bottom: -6vh; }

  .prolist_info .nav li {
    margin: 0 15px; }
  .prolist_info .prolist {
    padding: 0; }
    .prolist_info .prolist li {
      width: 48%;
      margin: 0 1% 30px; }

  .banner_pro {
    margin-top: 1rem; }
    .banner_pro section {
      flex-wrap: wrap;
      padding: 1.5rem 0 1rem; }
    .banner_pro .pro_swiper {
      width: 100%; }
    .banner_pro .product_info {
      width: 100%;
      margin-top: 20px; }
    .banner_pro .swiper_product {
      width: 90%; }
    .banner_pro .swiper-horizontal > .swiper-pagination-bullets,
    .banner_pro .swiper-pagination-bullets.swiper-pagination-horizontal,
    .banner_pro .swiper-pagination-custom,
    .banner_pro .swiper-pagination-fraction {
      width: 8px;
      height: 100%;
      left: 4%; }

  .about section {
    margin-bottom: 2.4rem; }
  .about p {
    width: 100%; }

  .pro .swiper-slide {
    width: 45%; }
    .pro .swiper-slide img {
      width: 100%; }
  .pro li {
    margin-left: 0.3rem; }

  .banner .swiper-slide .div1 img {
    margin: 0; }
  .banner .swiper-slide .div2 .img2 {
    margin-left: 20%;
    margin-right: 0; }
  .banner .swiper-slide .img1 {
    position: absolute;
    width: 60vw !important;
    height: auto;
    left: 0;
    bottom: 0;
    z-index: 20; }
  .banner .img_pic {
    position: absolute;
    z-index: 20;
    right: 0;
    left: auto; }
    .banner .img_pic .img1 {
      position: relative; }
  .banner .img2 {
    width: 75% !important;
    height: auto;
    margin-left: 0;
    margin-right: 20%; }
  .banner .img3 {
    width: 70% !important;
    height: auto;
    margin-left: 15%; }

  .pro_switch .switch_left, .pro_switch .switch_right {
    width: 90%;
    height: auto; }
    .pro_switch .switch_left img, .pro_switch .switch_right img {
      width: 100%;
      height: auto; }
  .pro_switch .switch_img1, .pro_switch .switch_img2 {
    z-index: 11;
    width: 60%;
    margin-top: 8vh;
    right: 0; }
  .pro_switch .switch_img2 {
    width: 80%;
    height: auto;
    left: 10%;
    z-index: 13; }
  .pro_switch .switch_info {
    z-index: 11; } }

/*# sourceMappingURL=index.css.map */