body {
  font-family: 'SourceHanSansCN'; }

.banner {
  position: relative; }
  .banner .nav {
    position: absolute;
    position: absolute;
    top: 115px;
    left: 50%;
    transform: translate(-50%, -50%); }
    .banner .nav a {
      color: #fff;
      font-size: 14px;
      font-weight: 300;
      color: white;
      line-height: 24px; }
  .banner .text {
    position: absolute;
    transform: translate(-50%, 0%);
    left: 50%;
    bottom: 80px;
    color: #fff;
    text-align: center; }
    .banner .text h2 {
      font-size: 32px;
      font-family: 'SourceHanSansCN';
      font-weight: 300;
      color: white;
      text-shadow: 0px 0px 10px rgba(35, 35, 35, 0.6); }
    .banner .text p {
      font-size: 14px;
      margin-top: 10px;
      font-weight: 300;
      font-family: 'SourceHanSansCN';
      line-height: 24px;
      text-shadow: 0px 0px 4px rgba(165, 165, 165, 0.51); }
    .banner .text a {
      display: inline-block;
      width: 280px;
      height: 50px;
      margin-top: 40px;
      background: linear-gradient(-23deg, #5485bf 0%, #00bcd4 100%);
      font-size: 14px;
      color: #fff;
      font-family: 'SourceHanSansCN';
      font-weight: 300;
      padding: 14px 0;
      text-shadow: 0px 0px 4px rgba(165, 165, 165, 0.51); }
      .banner .text a svg {
        vertical-align: middle;
        margin-left: 20px; }

.videoBox {
  display: none;
  position: fixed;
  z-index: 99;
  background: rgba(0, 0, 0, 0.7);
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  display: none; }
  .videoBox section {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
    height: 600px; }
  .videoBox p {
    position: absolute;
    right: -10px;
    top: -10px;
    cursor: pointer; }
    .videoBox p i {
      font-size: 25px;
      color: #fff; }

.se2 {
  margin-top: 80px;
  margin-bottom: 60px;
  width: 1200px; }
  .se2 h2 {
    font-size: 24px;
    font-family: 'SourceHanSansCN';
    font-weight: 300;
    color: #424242;
    line-height: 42px;
    text-align: center; }
  .se2 .con {
    font-size: 14px;
    font-family: 'SourceHanSansCN';
    font-weight: 300;
    color: #9e9e9e;
    line-height: 24px;
    text-align: center; }
  .se2 .text {
    margin-top: 30px;
    margin-bottom: 40px; }
  .se2 p {
    font-size: 14px;
    font-family: 'SourceHanSansCN';
    font-weight: 300;
    color: #424242;
    line-height: 24px; }
  .se2 section div {
    display: inline-block;
    vertical-align: top;
    width: 30%;
    margin-right: 40px; }
    .se2 section div h4 {
      font-size: 16px;
      color: #424242;
      margin-bottom: 15px; }
    .se2 section div p {
      color: #9E9E9E; }
  .se2 section div:nth-child(3n) {
    margin-right: 0; }

.se3 {
  position: relative;
  height: 680px;
  padding-top: 90px; }
  .se3 h2 {
    font-size: 24px;
    font-weight: 300;
    color: white;
    line-height: 42px;
    text-align: center; }
  .se3 .con {
    font-size: 14px;
    font-weight: 300;
    color: #e6e6e6;
    line-height: 24px;
    text-align: center; }
  .se3 .history {
    margin-top: 120px; }
  .se3 .history .md {
    height: 200px;
    position: relative;
    outline: none;
    text-align: center; }
  .se3 .history .md span {
    line-height: 228px;
    transition: all .1s linear;
    font-size: 16px;
    font-weight: 300;
    color: white; }
  .se3 .history .md .line {
    position: relative;
    display: table;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    border: 1px solid #fff;
    position: absolute;
    top: 72%;
    left: 49%;
    margin: -10px 0 0 -10px; }
  .se3 .history .md .line::after {
    content: '';
    display: table;
    margin: 5px auto;
    border-radius: 50%;
    width: 8px;
    height: 8px;
    background: white; }
  .se3 .slider-nav::after {
    background: rgba(255, 255, 255, 0.5);
    top: 72%; }
  .se3 .history .md.slick-slide.slick-current.slick-center span {
    font-size: 72px;
    font-weight: bold;
    color: white;
    line-height: 100px; }
  .se3 .history .md.slick-slide.slick-current.slick-center .line {
    height: 55px;
    width: 55px;
    margin: -20px 0 0 -20px;
    top: 68%; }
  .se3 .history .md.slick-slide.slick-current.slick-center .line::before {
    content: '';
    display: table;
    top: 46%;
    left: 46%;
    margin: -10px 0 0 -10px;
    position: absolute;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    background-color: rgba(255, 255, 255, 0.26); }
  .se3 .history .md.slick-slide.slick-current.slick-center .line::after {
    content: '';
    display: table;
    top: 50%;
    left: 50%;
    margin: -5px 0 0 -5px;
    position: absolute;
    border-radius: 50%;
    width: 12px;
    height: 12px;
    background: white; }
  .se3 .bt {
    outline: none;
    text-align: center; }
    .se3 .bt h3 {
      font-size: 16px;
      font-weight: 300;
      color: #fff;
      line-height: 24px;
      margin-bottom: 15px; }
    .se3 .bt p {
      font-size: 14px;
      font-weight: 300;
      color: white;
      line-height: 22px; }
  .se3 .slick-prev, .se3 .slick-next {
    width: 48px;
    height: 48px;
    background-repeat: no-repeat !important;
    top: 75%; }
  .se3 .slick-prev {
    background: url(/assets/yx/img/left1.png);
    left: -55px; }
  .se3 .slick-next {
    background: url(/assets/yx/img/right1.png);
    right: -55px; }
  .se3 .slider-for {
    width: 1080px;
    margin: 0 auto; }

.se4 {
  margin-top: 90px;
  margin-bottom: 55px; }
  .se4 h2 {
    font-size: 24px;
    font-weight: 300;
    color: #424242;
    line-height: 42px;
    text-align: center; }
  .se4 .con {
    font-size: 14px;
    font-weight: 300;
    color: #9e9e9e;
    line-height: 24px;
    text-align: center; }
  .se4 .swiper-button-prev {
    background: url(/assets/yx/img/left1.png);
    background-repeat: no-repeat;
    background-size: 100%;
    width: 23px;
    height: 34px; }
  .se4 .swiper-button-next {
    background: url(/assets/yx/img/right1.png);
    background-repeat: no-repeat;
    background-size: 100%;
    width: 23px;
    height: 34px; }
  .se4 section {
    width: 1600px;
    margin: 0 auto;
    margin-top: 40px;
    position: relative; }
  .se4 .swiper-container {
    padding-bottom: 1px;
    padding-left: 5px;
    padding-right: 5px; }
  .se4 .swiper-slide {
    text-align: center;
    border: 1px dashed #9e9e9e;
    padding: 40px 0px;
    margin-right: -1px;
    margin-bottom: -1px;
    position: relative; }
    .se4 .swiper-slide .jia {
      position: absolute;
      left: -9px;
      bottom: -8px;
      z-index: 2; }

.se5 {
  position: relative; }
  .se5 h2 {
    font-size: 24px;
    font-weight: 300;
    color: #fefefe;
    line-height: 42px; }
  .se5 .con {
    height: 14px;
    font-size: 14px;
    font-weight: 300;
    color: #e6e6e6;
    line-height: 24px; }
  .se5 .text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center; }
    .se5 .text div {
      width: 950px; }
      .se5 .text div p {
        font-size: 14px;
        font-weight: 300;
        color: white;
        line-height: 24px;
        margin-top: 30px;
        margin-bottom: 30px; }
      .se5 .text div a {
        display: block;
        width: 280px;
        background: linear-gradient(-23deg, #5485bf 0%, #00bcd4 100%);
        padding: 13px 0;
        color: #fff;
        font-size: 14px;
        font-weight: 300;
        text-align: center;
        margin: 0 auto; }

@media screen and (max-width: 1600px) {
  .se4 section {
    width: 1400px; }

  .se4 .swiper-button-prev {
    left: -15px; }

  .se4 .swiper-button-next {
    right: -15px; } }
@media screen and (max-width: 1400px) {
  .se4 section {
    width: 1200px; }

  .banner .text {
    bottom: 40px; } }
@media screen and (max-width: 1230px) {
  .banner .text {
    bottom: 30px; }

  .se2 {
    width: 90%; }

  .se3 .slider-for {
    width: 90%; }

  .se4 section {
    width: 1000px; }

  .se3 .history .md.slick-slide.slick-current.slick-center span {
    font-size: 54px; } }
@media screen and (max-width: 1024px) {
  .se3 .slick-prev {
    left: -20px; } }
@media screen and (max-width: 999px) {
  .se4 section {
    width: 800px; }

  .banner .nav {
    top: 20px; } }
@media screen and (max-width: 768px) {
  .se3 .slick-prev {
    left: -5px; }

  .se3 .slick-next {
    right: -5px; }

  .se2 section div {
    margin-right: 20px; } }
@media screen and (max-width: 768px) {
  .se3 .slick-prev {
    left: -5px; }

  .se3 .slick-next {
    right: -5px; }

  .se2 section div {
    margin-right: 20px; }

  .se4 section {
    width: 97%; }

  .banner img {
    object-fit: cover;
    height: 300px; }
  .banner .nav {
    top: 20px; }
  .banner .text {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    bottom: unset; }
    .banner .text h2 {
      font-size: 18px;
      line-height: 24px; }
    .banner .text p {
      font-size: 12px;
      line-height: 1.5; }
    .banner .text a {
      margin-top: 10px;
      font-size: 12px;
      height: 40px;
      padding: 10px 0; }

  .se5 h2 {
    font-size: 22px; }
  .se5 img {
    object-fit: cover;
    height: 350px; }
  .se5 .text {
    width: 95%; }
    .se5 .text div {
      width: 100%; } }
@media screen and (max-width: 767px) {
  .videoBox section {
    width: 90%;
    height: 190px; }

  .se2 {
    width: 100%;
    margin-top: 30px;
    margin-bottom: 30px; }
    .se2 h2 {
      font-size: 22px; }
    .se2 .con {
      font-size: 12px; }
    .se2 .text {
      margin-top: 15px;
      margin-bottom: 20px; }
    .se2 p {
      font-size: 12px; }
    .se2 section div {
      width: 100%;
      margin-bottom: 20px; }
    .se2 section div h4 {
      margin-bottom: 5px; }

  .se3 {
    padding-top: 30px;
    height: 600px; }
    .se3 h2 {
      font-size: 22px; }
    .se3 .con {
      font-size: 12px; }
    .se3 .history {
      margin-top: 0px; }
    .se3 .history .md.slick-slide.slick-current.slick-center span {
      font-size: 30px; }
    .se3 .history .md {
      height: 160px; }
    .se3 .slick-next {
      right: -50px; }
    .se3 .slick-prev {
      left: -30px; }
    .se3 .bt h3 {
      font-size: 14px; }
    .se3 .bt p {
      font-size: 12px; }

  .se4 {
    margin-top: 30px;
    margin-bottom: 30px; }
    .se4 h2 {
      font-size: 22px; }
    .se4 .con {
      font-size: 12px; }
    .se4 section {
      width: 90%;
      margin-top: 10px; }
    .se4 .swiper-slide {
      padding: 10px; }

  .se5 h2 {
    font-size: 22px; }
  .se5 img {
    object-fit: cover;
    height: 500px; }
  .se5 .text {
    width: 95%; }
    .se5 .text div {
      width: 100%; }
      .se5 .text div p {
        font-size: 12px; }
      .se5 .text div a {
        font-size: 12px; } }