.cards-container{display:grid;gap:50px;grid-template-columns:repeat(2,1fr);margin:0 auto;max-width:1200px;padding:20px}.card{background:#fff;border-radius:10px;cursor:pointer;overflow:hidden;position:relative;transition:transform .3s ease,box-shadow .3s ease}.card:hover{box-shadow:0 8px 30px rgba(0,0,0,.15);transform:translateY(-3px)}.image-container{aspect-ratio:16/9;overflow:hidden;position:relative;width:100%}.after-image,.before-image{height:100%;left:0;object-fit:cover;position:absolute;top:0;transition:opacity .3s ease;width:100%}.after-image{opacity:0}.card:hover .after-image{opacity:1}.card:hover .before-image{opacity:0}.card-video-container{align-items:center;background:rgba(0,0,0,.8);display:none;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:1000}.video-wrapper{aspect-ratio:16/9;background:#000;border-radius:8px;max-width:800px;overflow:hidden;position:relative;width:90%}.video-wrapper iframe{height:100%;width:100%}.close-button{align-items:center;background:#fff;border:none;border-radius:50%;cursor:pointer;display:flex;font-size:16px;font-weight:700;height:30px;justify-content:center;position:absolute;right:0;top:-40px;width:30px}.close-button:hover{background:#f0f0f0}.card-content{padding:20px}.card-title{color:#333;font-size:18px;font-weight:700;margin-bottom:8px}.card-description{color:#666;font-size:14px;line-height:1.4;margin-bottom:10px}.posture-description{color:#555;font-size:14px;line-height:1.5;margin-top:10px}@media (max-width:767px){.cards-container{gap:30px;grid-template-columns:1fr;padding:15px}.card-content{padding:15px}.card-title{font-size:16px}.card-description,.posture-description{font-size:13px}}.play-button-wrapper{bottom:20px;height:80px;pointer-events:none;position:absolute;right:20px;width:80px;z-index:10}.play-button-circle{height:60px;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);width:60px}.play-button-circle img{height:100%;object-fit:contain;width:100%}.play-button-text{height:80px;left:50%;position:absolute;top:50%;transform:translate(-50%,-50%);transition:transform .3s ease;width:80px}.play-button-text img{animation:none;height:100%;object-fit:contain;width:100%}.card:hover .play-button-text img{animation:spin 3s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@media (max-width:767px){.play-button-wrapper{bottom:15px;height:60px;right:15px;width:60px}.play-button-circle{height:45px;width:45px}.play-button-text{height:60px;width:60px}}