.banner {
  width: 100%;
  height: 350px;
  background-image: url("../image/38.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  min-width: 1200px; }

.download_detail {
  width: 1200px;
  margin: 0 auto;
  text-align: center; }
  .download_detail .title {
    color: #707070;
    height: 62px;
    line-height: 62px;
    border-bottom: 1px solid #eaeaea; }
  .download_detail .info {
    height: 14px;
    line-height: 14px;
    color: #969696;
    font-size: 14px;
    margin-top: 20px;
    margin-bottom: 50px; }
  .download_detail .video_wrapper {
    position: relative;
    width: 650px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer; }
    .download_detail .video_wrapper .video_shadow {
      width: 650px;
      height: 100%;
      position: absolute;
      top: 0;
      background-color: rgba(0, 0, 0, 0.4);
      background-image: url("../image/40.png");
      background-position: center;
      background-size: 92px;
      background-repeat: no-repeat; }
  .download_detail .top_font {
    font-size: 22px;
    color: #51b9d2;
    text-align: left;
    margin-top: 42px; }
  .download_detail .font_1 {
    margin-top: 10px; }
  .download_detail .bottom_font {
    font-size: 16px;
    color: #858585;
    line-height: 32px;
    text-align: justify;
    margin-top: 14px; }
  .download_detail a.download {
    display: inline-block;
    border-radius: 25px;
    width: 160px;
    height: 50px;
    background-color: #51b8d1;
    color: #fff;
    line-height: 50px;
    font-size: 24px;
    margin-top: 92px;
    margin-bottom: 70px; }