.header{
  background: url('../img/opss_banner.png') no-repeat;
  background-size: 100% 100%;
  max-height: 418px;
  padding: 40px 6% 40px 15%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header>img{
  height: 340px;
}
.header-content>.title{
  font-family: AliHYAiHei;
  font-weight: bold;
  font-size: 51px;
  color: #3269FF;
}
.content>p{
  text-align: center;
  line-height: 40px;
  color: #333;
}
.download{
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 0;
}
.download>img{
  width: 169px;
  margin-right: 50px;
}
.download>.button{
  width: 160px;
  height: 48px;
  background: #2D73FF;
  border-radius: 8px;
  text-align: center;
  line-height: 48px;
  color: #fff;
  cursor: pointer;
  margin-left: 50px;
  margin-bottom: -45px;
  text-decoration: none;
}
.download>.button:hover{
  background: #4F8AFF;
}
.download-info>.title{
  font-weight: bold;
  font-size: 24px;
  color: #333333;
}
.download-info>p{
  font-size: 14px;
  color: #999999;
}

.tips{
  width: 1000px;
  margin: auto;
  text-align:left!important;
  margin-bottom: 50px;
  color: red!important;
  font-weight: bold;
}
.tips>a{
  color: red!important;
  font-weight: bold;
  font-size: 16px;
  text-decoration: dashed;
}

.imgs {
  position: relative;
  height: 500px;
  width: 1000px;
  margin: auto;
  margin-bottom: 100px;
}

.imgs>img {
  width: 100%;
}