.banner-img {
  width: 615px;
  height: 355px;
}
.checkbtn{
  cursor: pointer;
  display: none;
}
.check-alert {
  display: none;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  text-align: center;
  background-color: rgba(0,0,0,0.3);
}
.check-alert .check-wrapper {
  width: 440px;
  height: 200px;
  margin: 0 auto;
  top: 50%;
  margin-top: -100px;
  position: relative;
  background: url('./check_bg.png') no-repeat;
}
.check-alert .check-close{
  position: absolute;
  width: 30px;
  height: 30px;
  right: 10px;
  top: 10px;
  background: url('./check_close.png') no-repeat;
  background-position: 0 0;
  cursor: pointer;
}
.check-alert .check-close:hover{
  background-position: -30px 0;
}
.check-alert .check-close:active{
  background-position: -60px 0;
}
.check-alert .check-btn{
  position: absolute;
  width: 200px;
  height: 40px;
  left: 120px;
  bottom: 24px;
  background: url('./check_btn.png') no-repeat;
  background-position: 0 0;
}
.check-alert .check-btn:hover{
  background-position: -200px 0;
}
.check-alert .check-btn:active{
  background-position: -400px 0;
}

.fix .checkBottomBtn {
  cursor: pointer;
  display: none;
}

.downType .checkTypeownload {
  cursor: pointer;
  display: none;
}