.mobile-bg {
  display: none; }

.index-banner {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  width: 100%;
  height: 405px;
  position: relative;
  margin-bottom: 40px; }
  .index-banner .mobile-bg {
    display: none; }
  .index-banner .normal-bg {
    display: block; }
  .index-banner .banner-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;
    -o-object-fit: cover;
       object-fit: cover; }
  .index-banner .banner-content {
    text-align: center;
    margin-top: 0px; }
  .index-banner .banner-title {
    font-weight: 600;
    color: #fff;
    font-size: 40px;
    margin-bottom: 16px; }
  .index-banner .banner-des {
    font-weight: 400;
    color: #fff;
    font-size: 18px; }

.service-container .service-item {
  -webkit-flex-wrap: wrap;
      -ms-flex-wrap: wrap;
          flex-wrap: wrap;
  padding: 25px 0px; }
  .service-container .service-item .service-item-left {
    width: 100%; }
    .service-container .service-item .service-item-left .item-title {
      font-size: 18px;
      line-height: 22px; }
    .service-container .service-item .service-item-left .item-subtitle {
      font-size: 35px;
      margin: 8px 0 16px; }
    .service-container .service-item .service-item-left .item-desc {
      color: #8c8e92;
      font-size: 14px;
      line-height: 40px; }
  .service-container .service-item .service-item-right {
    width: 100%;
    margin-top: 24px; }
    .service-container .service-item .service-item-right .picture {
      width: 100%; }
.service-container .service-item + .service-item {
  margin-top: 40px; }
.service-container .service-item:nth-child(2n) .service-item-left {
  margin-left: 0px;
  margin-right: 0; }
.service-container .service-item:nth-child(2n + 1) .service-item-left {
  margin-right: 0px;
  margin-left: 0; }