.top-box{
  width: 100%;
  /* height: 332px; */
  /* background: #3A90C4; */
}
.main-box {
  max-width: 960px;
  margin: 0px auto;
  display: flex;
  align-items: flex-start;
  gap: 24px;
  flex-direction: column;
}
.tab-box {
/* background: #3A90C4; */
display: flex;
width: 100%;
justify-content: space-between;
align-items: center;
flex-shrink: 0;
}
.txt-cnt{ 
  font-size: 16px;
  font-weight: 300;
  color: rgba(51, 51, 51, 1);
  line-height: 2;
  white-space: pre-line;
  margin-top: 24px;
  text-align: justify;
  padding: 24px;
}

.left-box span{
  font-size: 20px;
  color: #fff;
}
.content-box{
  /* margin-top: 44px; */
  display: flex;
  width: 100%;
  flex-direction: column;
  min-height: 650px;
}
.pro-tit{    
  font-size: 28px;
  font-weight: 6 00;
  color: rgba(51, 51, 51, 1);
  text-align: center;
  line-height:2.0 ;
}
.return-btn{
  cursor: pointer;
}
.language{
    display: none;
  }
/* 兼容移动端 */
@media screen and (max-width: 768px) {
  .main-box{
    margin: 0 16px;
  }
  .pro-tit{
    font-size: 18px;
  }
  .txt-cnt {
    font-size: 14px;
    font-weight: 300;
    color: rgba(51, 51, 51, 1);
  }
}