* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.main {
  width: 100%;
  min-width: 1200px;
  background: #F2F2F2;
}
.main .banner  {
  position: relative;
  width: 100%;
  height: 800px;
  background: url(img/banner@2x.png) no-repeat center center;
}
.main .contain {
  position: relative;
  width: 1200px;
  margin: auto;
}
.main .contain .head {
  height: 64px;
  position: absolute;
  top: 0;
  z-index: 999;
  display: flex;
  align-items: center;
}
.main .contain .head > img {
  display: block;
  width: 102px;
  height: 24px;
}
.main .contain .head > a {
  margin-left: 48px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(255,255,255,0.4);
  line-height: 20px;
  cursor: pointer;
  text-decoration: none;
}
.main .contain .head .home {
  font-weight: 600;
  color: #FFFFFF;
}
.main .contain > img {
  transform: translateY(-50px);
  width: 100%;
}
.main .contain > img:first-child {
  margin-bottom: 10px;
}
.main .footer {
  width: 100%;
  height: 160px;
  background: #0f0f0f;
}
.main .footer .footer-text {
  padding-top: 40px;
  text-align: center;
  color: #999999;
}
.main .footer .footer-text .title {
  margin-bottom: 24px;
}

.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;
}