* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.main {
  width: 100%;
  min-width: 1200px;
  background: #F2F2F2;
}
.main .banner  {
  position: relative;
  width: 100%;
  height: 390px;
  background: url(img/banner1.png) no-repeat center;
  background-size: 1200px 100%;
  background-color: #2263E6;
}
.main .banner .logo  {
  position: absolute;
  left: 19%;
  width: 176px;
  height: 64px;
}
.main .contain {
  position: relative;
  width: 1200px;
  margin: auto;
}
.main .section {
  width: 100%;
  height: 120px;
  background: rgba(255,255,255,0.6);
}
.main .contain .pic1 {
  width: 100%;
  height: 364px;
  background: url(img/banner2.png) no-repeat;
  background-size: 100% 100%;
}
.main .section .contain .download {
  width: 100%;
  position: absolute;
  top: -120px;
}
.main .contain .pic2 {
  width: 100%;
  height: 616px;
  background: url(img/banner3.png) no-repeat;
  background-size: 100% 100%;
}
.main .footer {
  width: 100%;
  height: 145px;
  background: #0f0f0f;
}
.main .footer .footer-text {
  padding-top: 40.5px;
  text-align: center;
  color: #999999;
}
.main .footer .footer-text .box {
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #999999;
  line-height: 20px;
}
.main .footer .footer-text .box span {
  font-size: 12px;
  color: #999999;
}
.main .footer .footer-text .box span a {
  color: #999999;
}
.main .footer .footer-text .b-bottom {
  padding-top: 10px;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #999999;
  line-height: 20px;
}