.book-video-section{padding:clamp(64px,7vw,58px) 20px;overflow:hidden;background:#ffffff}.book-video-container{width:min(100%,1440px);margin:0 auto}.book-video-header{margin-bottom:clamp(34px,5vw,58px);text-align:center}.book-video-header h2{margin:0;color:#10213c;font-size:clamp(32px,4vw,46px);font-weight:800;letter-spacing:-.035em;line-height:1.12}.book-video-header p{margin:14px 0 0;color:#27364d;font-size:clamp(17px,2vw,22px);line-height:1.5}.book-video-header p span{display:inline-block;margin-inline:4px;color:#ef326f}.book-video-slider-wrap{position:relative}.book-video-swiper{padding:4px 2px 42px}.book-video-card{height:clamp(460px,48vw,560px);position:relative;overflow:hidden;background:#e9edf4;border-radius:25px;box-shadow:0 3px 14px rgb(16 33 60/10%)}.book-video-card:after{position:absolute;inset:30% 0 0;z-index:1;content:"";pointer-events:none;background:linear-gradient(180deg,transparent 0,rgb(3 9 18/22%) 30%,rgb(3 9 18/94%))}.book-video-poster,.book-video-youtube{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.book-video-youtube{position:absolute;inset:0;z-index:4;border:0;background:#000}.book-video-card:hover .book-video-poster{transform:scale(1.035)}.book-video-content{position:absolute;right:26px;bottom:26px;left:26px;z-index:2;color:#fff}.book-video-content.is-playing{display:none}.book-video-content h3{color:inherit;letter-spacing:-.025em;margin:0 0 7px;font-size:clamp(16px,2.2vw,18px);font-weight:400;line-height:1.3}.book-video-content p{margin:0;color:rgb(255 255 255/92%);font-size:12px;line-height:1.45}.book-video-play{width:54px;height:54px;display:grid;place-items:center;position:absolute;top:22px;right:22px;z-index:3;color:#063d86;background:#fff;border-radius:50%;box-shadow:0 10px 25px rgb(0 0 0/20%);border:0;cursor:pointer;transition:transform .2s ease,background-color .2s ease}.book-video-play:focus-visible,.book-video-play:hover{background:#fff4cf;outline:3px solid rgb(255 255 255/70%);outline-offset:3px;transform:scale(1.06)}.book-video-controls{display:flex;justify-content:center;gap:10px;margin-top:4px}.book-video-controls button{width:46px;height:46px;display:grid;place-items:center;color:#063d86;background:#fff;border:1px solid #dce3ec;border-radius:50%;cursor:pointer;box-shadow:0 8px 20px rgb(16 33 60/9%);transition:color .2s ease,background-color .2s ease,transform .2s ease}.book-video-controls button:focus-visible,.book-video-controls button:hover{color:#fff;background:#063d86;outline:none;transform:translateY(-2px)}.book-video-swiper .swiper-pagination-bullet{width:8px;height:8px;background:#9aa8b8;opacity:.7}.book-video-swiper .swiper-pagination-bullet-active{width:24px;background:#063d86;border-radius:99px;opacity:1}@media (max-width:959px){.book-video-container{width:min(100%,680px)}.book-video-card{height:500px}}@media (max-width:639px){.book-video-section{padding-inline:14px}.book-video-container{width:100%}.book-video-header{margin-bottom:30px}.book-video-header h2{font-size:31px}.book-video-header p{font-size:17px}.book-video-card{height:min(540px,104vw)}.book-video-content{right:22px;bottom:22px;left:22px}.book-video-content h3{font-size:23px}}@media (prefers-reduced-motion:reduce){.book-video-controls button,.book-video-poster{transition:none}}