.brand-title-img{
  height:72px;
  display:block;
  margin-top:83px;
  margin-left:auto;
  margin-right:auto;
}
@media (max-width:1099px){
  .brand-title-img{
    height:6vw;
  }
}
@media (max-width:767px) and (min-width:650px){
  body .brand-new-act {
    display: flex;
    height: calc(50vw * 472 / 962);
    margin-top: 51px;
  }
  body .brand-new-act-right-title{
    font-size: 2.6vw;
  }
  body .brand-new-act-right-text {
    width: 80%;
    font-size: 2vw;
  }
  body .brand-recommend-swiper-slide-title{
    font-size:2vw;
  }
  body .brand-new-act-left-tip{
    width: 90px;
    height: 32px;
    line-height: 32px;
    font-size:16px;
  }
  body .brand-recommend-swiper-button-next, body .brand-recommend-swiper-button-prev {
    top: 12vw;
  }
  body .brand-recommend-title {
    font-size: 23px;
  }
  body .brand-youth-act-list-unit {
    width: 32%;
    flex: none;
    margin-left: calc((100% - 32% * 3) / 2);
    margin-top: 33px;
  }
  body .brand-youth-act-list-unit:nth-child(-n+3) {
    margin-top: 0;
  }
  body .brand-youth-act-list {
    display: flex;
    margin-top: 43px;
  }
  body .brand-youth-act-list-unit-title{
    font-size: 2vw;
    margin-top: 15px;
  }
  body .brand-new-act-left-img{
    width:50vw
  }
}
@media (max-width:650px){
  .brand-title-img{
    height:10vw;
    margin-top:8vw;
  }
}