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0.5rem;-webkit-tap-highlight-color:transparent;touch-action:manipulation}.video-btn:hover{background:#096dd9}.video-fallback{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#f5f5f5;color:#333;padding:20px}.video-fallback a{color:#1890ff;text-decoration:none;margin-top:10px}@media (max-width:768px){.video-full{min-height:300px;max-height:500px}.video-content h1{font-size:1.8rem;-webkit-font-size:1.8rem}.video-content p{font-size:1rem}.video-btn{padding:0.6rem 1.5rem;font-size:0.9rem}}@media screen and (min-width:0\0){.video-content{top:50%;left:50%;transform:none;margin-left:-50%;margin-top:-25%}}.fade-in-up{opacity:0;transform:translateY(30px);transition:opacity 0.8s ease,transform 0.8s ease}.fade-in-up.active{opacity:1;transform:translateY(0)}.scale-in{opacity:0;transform:scale(0.95);transition:opacity 0.6s ease,transform 0.6s ease}.scale-in.active{opacity:1;transform:scale(1)}.content-transition{transition:all 0.5s 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