body {
  width: 100%;
  padding: 0;
  font-size: 16px;
  background: white url("../../site/hua_images/bg_top.png") top center no-repeat;
  background-size: cover;
  min-width: 1200px;
  max-width: 2560px;
  margin: 0 auto;
  height: auto;
}
.flash {
  padding: 100px 0;
}
.flash-content {
  width: 1200px;
  height: 660px;
  margin: 0 auto;
}