.index-banner {
  margin-bottom: 0; }
  .index-banner .banner-title {
    margin-bottom: 40px; }
  .index-banner .banner-des {
    font-size: 30px; }

.service-container {
  width: 1200px;
  margin: 0 auto 150px; }
  .service-container .service-item {
    padding: 0; }
    .service-container .service-item .service-item-left .item-title {
      font-size: 36px;
      font-weight: 600; }
    .service-container .service-item .service-item-left .item-subtitle {
      font-size: 28px;
      font-weight: 600;
      margin-top: 10px;
      margin-bottom: 28px; }
    .service-container .service-item .service-item-left .item-desc {
      color: #8c8e92;
      font-size: 16px;
      line-height: 38px; }
    .service-container .service-item .service-item-right .picture {
      height: 400px;
      width: auto; }
  .service-container .service-item + .service-item {
    margin-top: 160px; }
  .service-container .service-item:nth-child(2n) {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
    -webkit-flex-direction: row-reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse; }
    .service-container .service-item:nth-child(2n) .service-item-left {
      margin-left: 120px;
      margin-right: 0; }
  .service-container .service-item:nth-child(2n + 1) .service-item-left {
    margin-right: 0;
    margin-left: 90px; }