.spb_bg img {
  max-width: 593px;
  max-height: 467px;
  right: 294px;
  top: 279px;
}
.span_12px {
  font-size: 12px !important;
  font-weight: normal !important;
}
@media (max-width: 1840px) {
  .spb_bg img {
    right: 90px;
  }
}
@media (max-width: 1420px) {
  .spb_bg img {
    right: 29px;
    top: 258px;
  }
}
@media (max-width: 1285px) {
  .spb_bg img {
    width: 40%;
  }
}
@media (max-width: 1140px) {
  .spb_bg img {
    right: 7px;
    top: 276px;
  }
}
@media (max-width: 900px) {
  .spb_bg img {
    right: 0px;
  }
}
@media (max-width: 880px) {
  .spb_bg img {
    display: none;
  }
}
@media (max-width: 700px) {
  .dn_700 {
    display: none;
  }
}