.support {
  width: 100%;
  height: 500px;
  min-width: 700px;
  position: relative;
  margin: 0 auto;
  background: transparent url(../../img/support/support_banner.jpg) no-repeat center top;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
}

.support::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* 上下渐变 */
  background: linear-gradient(180deg, rgba(1, 110, 226, 1) 30%, rgba(1, 110, 226, 0) 100%);
}

.support_banner {
  z-index: 1;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.support_banner_title_item {
  font-size: 68px;
  font-weight: bold;
  font-family: Arial, Helvetica, sans-serif;
  /* margin-bottom: 50px; */
}