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.red-video{width:100%;display:flex;flex-direction:column;align-items:center;margin-top:2rem;position:relative}.red-class .red-video .red-video-swiper{width:40rem;margin-top:1rem}.red-class .red-video .red-video-swiper:before{content:"";width:100%;height:100%;position:absolute;left:0;top:0;background:linear-gradient(0deg,rgba(0,0,0,.7),transparent 30%,transparent);z-index:2;pointer-events:none}.red-class .red-video .red-video-swiper .swiper-slide{position:relative}.red-class .red-video .red-video-swiper .swiper-slide .red-video-swiper-img{width:40rem;height:17.2rem;background-color:#000;object-fit:cover}.red-class .red-video .red-video-thumb-swiper{width:40rem;padding:.6rem;box-sizing:border-box;position:absolute;bottom:0}.red-class .red-video .red-video-thumb-swiper .swiper-slide{position:relative;width:8.75rem;height:4.95rem;border:.1rem solid transparent;display:flex;align-items:flex-end;justify-content:center}.red-class .red-video .red-video-thumb-swiper 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.red-video-thumb-swiper-img{width:8.75rem;height:4.95rem;object-fit:cover}.red-class .red-video .red-video-thumb-swiper .swiper-slide-thumb-active .red-video-play{top:.5rem;right:.5rem}.red-class .red-video .red-video-thumb-swiper .swiper-slide-thumb-active .red-video-name{right:.5rem}.red-class .red-book{width:100%;display:flex;flex-direction:column;align-items:center;margin-top:2rem;position:relative;margin-bottom:1.5rem;background-image:url(../img/red-book.e855bc77.png);background-size:cover}.red-class .red-book .red-book-swiper{width:40rem;margin-top:1rem;margin-bottom:2.575rem}.red-class .red-book .red-book-swiper .swiper-slide{position:relative;width:9.125rem;height:12.2rem}.red-class .red-book .red-book-swiper .swiper-slide 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