.hidden{ display: none;}
.banner .swiper-container .swiper-pagination .swiper-pagination-bullet { width: 50px; height: 4px; border-radius: 2px; text-indent: -999px; overflow: hidden; border: none; opacity: 0.8;}
 .banner .swiper-container .swiper-pagination .swiper-pagination-bullet-active { opacity: 1;}
 @media screen and (max-width: 1200px) {
  .banner .swiper-container .swiper-pagination .swiper-pagination-bullet {width: 30px; height: 2px;}
 }