.breakdance .btn-hover-up{transition:transform 0.3s ease-out,box-shadow 0.3s ease-out;will-change:transform,box-shadow}.breakdance .btn-hover-up:hover{transform:translateY(-3px)}.breakdance .swiper_mask{mask:linear-gradient(to right,transparent 0%,#F1F1F1FF 20px,#F1F1F1FF calc(100% - 80px),/* 右側漸變結束位置 */ transparent 100%)}.breakdance .overflow{overflow-x:auto;-webkit-overflow-scrolling:touch;mask:linear-gradient(to right,transparent 0%,#000000 20px,#000000 calc(100% - 60px),/* 稍微縮小右側漸變範圍，讓提示更明顯 */ transparent 100%);scrollbar-width:none;-ms-overflow-style:none}.breakdance .overflow::-webkit-scrollbar{display:none}